CN103190944A - Disposable pericardium chest puncture needle - Google Patents
Disposable pericardium chest puncture needle Download PDFInfo
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- CN103190944A CN103190944A CN2013101490592A CN201310149059A CN103190944A CN 103190944 A CN103190944 A CN 103190944A CN 2013101490592 A CN2013101490592 A CN 2013101490592A CN 201310149059 A CN201310149059 A CN 201310149059A CN 103190944 A CN103190944 A CN 103190944A
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- closing member
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- nook closing
- drainage
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Abstract
The invention discloses a disposable pericardium chest puncture needle which comprises a needle core, a drainage catheter and a drainage catheter joint chair. The needle core is arranged in the drainage catheter, a drainage cavity is arranged in the drainage catheter joint chair, the drainage cavity is internally provided with a rubber block, the needle core extends toward the drainage catheter joint chair and passes through the rubber block, one end of the needle core is provided with a needle core joint base which is hermetically matched with the drainage catheter joint chair, and the drainage catheter joint chair is provided with a side drainage tube which is provided with a three-way control device. According to the disposable pericardium chest puncture needle provided by the invention, during puncture and drainage, the puncture needle can retreat to prevent the tip from damaging heart and lug tissues. A gas one-way valve and an emergency end cover on the side drainage tube can be used as an emergent rescue tool for patients with severe tension pneumothorax. The three-way control device and the three-way side interface are arranged on the side drainage tube. The switch effect can be performed by the three-way control device as well as puncture and drainage of hydropericardium and pleural effusion and pericardium and chest injection of medication can be performed.
Description
Technical field
The present invention relates to a kind of medical needle, be specifically related to a kind of expendable puncture needle for pericardium and cavum thoracis.
Background technology
Pericardial effusion, hydrothorax and spontaneous pneumothorax are the clinical medicine common diseases.In most of the cases, in order to clarify a diagnosis and to treat, pericardial effusion and hydrothorax must carry out examination by centesis and drain.The back takes place to the influence of intrathoracic pressure power according to different situations and the pneumothorax thereof that visceral pleura breaks in spontaneous pneumothorax, is divided into closed pneumothorax, traffic pneumothorax and tension pneumothorax usually.The treatment of spontaneous pneumothorax comprises expectant treatment, bleeds or closed drainage of pleural cavity and surgical intervention.In most cases all need to bleed or closed drainage, during poor or a large amount of pneumothorax, when especially tension pneumothorax taking place, must carry out effective pneumothorax closed drainage treatment rapidly when patient's pulmonary function.As a rule, the pneumothorax needs of patients carries out the persistence closed drainage of pleural cavity.In addition, under a few cases, if fail to make the healing of pleura cut after the water-sealed drainage bottle drain, lung still can not be opened again, can add with negative pressure suction device to carry out drain behind drainage tube.
When implementing pericardium, hydrothorax puncture drainage or pneumothorax drain, need to use drainage needle to insert pericardium or thoracic cavity, the clinical steel pin that also is to use carries out relevant drain at present, but may occur because muscular tissue is stopped up the phenomenon that puncture failure appears in pin hole.And when carrying out the pericardial effusion drain, possibility is drawn or heartthrob owing to pericardial effusion, needle point damage heart occurs and bring out the cardiac electric disorder, even sudden cardiac arrest occurs, or because needle point damage cardiovascular brings out pericardial tamponade.When hydrothorax puncture drainage or pneumothorax drain, the continuous drain of hydrothorax or gas, lung tissue is expanded, and might cause needle point damage alveolar and trigger iatrogenic pneumothorax.Clinically owing to be in fear of needle point to the damage of heart or lung tissue, usually can only finish the drain of being correlated with in advance, make that pericardial effusion, hydrothorax or pneumothorax drain are not thorough.
Publication number is that the Chinese patent of CN101259029A discloses a kind of disposable thoracic drainage needle, this drainage needle arranges cavity in the drainage catheter joint chair, arrange on the drainage catheter and be connected with it and extend to the external world, and the side drainage catheter that is communicated with drainage catheter, the end that the side drainage catheter is connected with the drainage catheter joint chair is in the front end of this cavity, the tail end of side drainage catheter is provided with at least one interface, this interface is provided with connected emergent end cap, emergent end cap is unidirectional gas trap, be difficult for during this lancet puncture along last intercostal blood vessel, aerofluxus is rapid, but this drainage needle the side drainage catheter on do not have special controlling organization, when carrying out drain, be not easy to control drawing hydrops.In addition, the patented product can not observe whether inserted position accurately, does not utilize medical personnel's observation protection.
Summary of the invention
The objective of the invention is to: at the deficiencies in the prior art, the invention provides and a kind ofly comprise the tension pneumothorax puncture drainage, control and be convenient to observe the expendable puncture needle for pericardium and cavum thoracis of protection easily applicable to pericardium, hydrothorax and pneumothorax.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of expendable puncture needle for pericardium and cavum thoracis, comprise nook closing member and interconnective drainage catheter and drainage catheter joint chair, described nook closing member is arranged in the drainage catheter, be provided with the drain cavity that is communicated with drainage catheter in the described drainage catheter joint chair, be provided with block rubber in the described drain cavity, described nook closing member extends and penetrates block rubber in the drain cavity to drainage catheter joint chair direction, the end that described nook closing member passes block rubber is provided with the nook closing member interface block, described nook closing member interface block and described drainage catheter joint chair are sealed and matched, described drainage catheter joint chair is provided with the side drainage tube that is communicated with and extends to the external world with described drain cavity, the end that described side drainage tube is connected with the drainage catheter joint chair is in the front end of described drain cavity, it is characterized in that: be provided with back cavity in the described nook closing member interface block, described nook closing member inner hollow, the end that described nook closing member passes block rubber extends and is communicated with described back cavity towards the nook closing member interface block, and the sidewall of described back cavity is provided with the unidirectional valve plug that supplied gas is only passed through.
The drainage catheter joint chair is provided with the side drainage tube that is communicated with drain cavity in it, and this side drainage tube also extends to the external world.When the pneumothorax patient is carried out puncture drainage, when nook closing member retreats to drainage catheter joint chair place, intrathoracic gas is discharged required time weak point from the side drainage tube, and can be rapidly the intrathoracic gases at high pressure of patient be discharged, help to reduce near the danger that occurs subcutaneous emphysema these patient sites of puncture.Be provided with the drain cavity in the drainage catheter joint chair, the end that the side drainage tube is connected with the drainage catheter joint chair is in the front end of this drain cavity, and side drainage tube and drainage catheter is nearest like this, helps the raising of exhaust velocity.
Nook closing member is inner hollow, be hollow tubular, after nook closing member and drainage catheter protrude into human body, if protrude in the blood vessel accidentally, blood in the blood vessel can flow to back cavity along hollow nook closing member, medical personnel can by obtain in the back cavity prompting, thereby in time will take measures, nook closing member and drainage catheter are extracted, can in time be avoided the injury to human body.
In addition, the unidirectional valve plug that the only supplied gas that arranges on the sidewall of back cavity is passed through can guarantee that gas can only discharge from the position in patient thoracic cavity or other bodies, and gas can not enter from the outside.
As preferably, be evenly equipped with some auxiliary conduction holes on the lateral wall of described drainage catheter, described auxiliary conduction hole is along the length direction setting of described drainage catheter, drainage catheter is thinner away from one section external diameter of drainage catheter joint chair, and the lateral wall of described drainage catheter is provided with the length scale mark.
After adopting above-mentioned preferred version, after drainage catheter is inserted into the position that needs the suction waste liquid, not only can carry out drain from the drainage catheter nozzle position, can carry out drain by auxiliary conduction hole simultaneously, if drainage catheter is blocked and clogs, also can carry out drain by auxiliary conduction hole, drainage effect is better.
Nook closing member drainage tube and nook closing member interface block are transparence, contingency damage intercostal blood vessel in puncture thoracic wall process, blood can flow to the nook closing member afterbody faster, the operator can more early find and deal with on the merits of each case, be provided with side opening on the nook closing member, if damage the thoracic wall blood vessel in piercing process, side opening is conducive to more early find this damage and more timely processing, when drain pleural effusion punctured, these structures also helped the judgement whether needle point has entered the thoracic cavity on the nook closing member; The nook closing member drainage tube can opaque material, and whether observe by back cavity has blood back to judge whether to damage the thoracic wall blood vessel.
The leading portion of general drainage catheter is for gradually carefully arranging, and the drainage catheter front end can enter thoracic cavity, pericardium smoothly with nook closing member when being conducive to inserting needle, and it is that medical personnel understand the degree of depth that conduit inserts at any time for convenience that drainage catheter is provided with the length scale mark.
As preferably, the lateral wall of described nook closing member is provided with some return ports, and described return port is along the length direction setting of described nook closing member, and described nook closing member is provided with the nook closing member inclined-plane away from an end of nook closing member interface block.After adopting above-mentioned preferred version, if when nook closing member is inserted into blood vessel, blood in the blood vessel can flow back to back cavity, but, the needle point position of nook closing member and back cavity still have a segment distance, after adopting above-mentioned the setting, when nook closing member only enters when a bit of, enter into blood vessel, blood in the blood vessel can flow out from the return port on the lateral wall of nook closing member, and people can namely can be observed in drainage catheter, take measures more timely and effectively, in time pin is extracted, can be avoided more the bleed generation of situation of patient.
As preferably, described nook closing member interface block comprises nook closing member interface block body and nook closing member interface block gag, be provided with joint chair body cavity in the nook closing member interface block body, described joint chair body cavity is provided with inner convex platform by an end of nook closing member, described nook closing member stretches in the joint chair body cavity by an end of nook closing member interface block, described nook closing member stretches into joint chair body cavity part and is provided with the nook closing member fixture block that offsets and arrange with inner convex platform, described nook closing member interface block gag is arranged on joint chair body cavity away from an end of nook closing member, described joint chair body cavity is provided with the nook closing member interface block tail mouth that inserts for nook closing member interface block gag away from an end of nook closing member, and described unidirectional valve plug is arranged on the nook closing member interface block gag.
After adopting above-mentioned preferred version, nook closing member is generally the draw point structure, adopt transparent plastic material to make and the nook closing member interface block is general, after injection moulding on the nook closing member made the nook closing member interface block, because the nook closing member smooth surface, be easy to cause nook closing member interface block coming off from the nook closing member, the influence operation, nook closing member makes nook closing member and nook closing member interface block firmly fixing, thereby effectively avoids coming off of nook closing member and nook closing member interface block by the setting that offsets of the nook closing member fixture block on it and inner convex platform.Wherein unidirectional valve plug is passable, and dismountable mode cooperates with nook closing member interface block gag, also can with the one-body molded setting of nook closing member interface block gag.In addition, drainage catheter and drainage catheter joint chair seam can also arrange mobilizable butterfly handle, are affixed on thoracic wall, in order to the drainage catheter joint chair is fixed in thoracic wall, are difficult for mobile.
As preferably, described side drainage tube is provided with the threeway control device, described threeway control device comprises the threeway seat that is arranged on the side drainage tube, be provided with the spill spin block of triplate line in the described threeway seat, described threeway seat is provided with the threeway rear port seat that is communicated with the threeway seat away from a side of drainage catheter, the threeway seat is provided with threeway front port seat near a side of drainage catheter, the sidepiece of threeway seat is provided with threeway side interface seat, described side drainage tube passes threeway front port seat away from a side of drainage catheter and is communicated with described threeway seat, described threeway rear port seat is provided with emergency set away from a side of threeway seat, described emergency set comprises the emergent end cap that is connected with threeway rear port seat, be provided with the gas unidirectional valve in the described emergent end cap, described gas unidirectional valve is connected with drainage tube away from an end of threeway seat.
After adopting above-mentioned preferred version, threeway control device and threeway side interface be equipped with on the side drainage tube, can utilize the spill spin block in the threeway control device to carry out on-off action, in order to carry out the puncture drainage of pericardial effusion, hydrothorax, also can carry out pericardium, the injection of thoracic cavity medicine, in addition, drainage catheter is easier to be fixed in thoracic wall.
The tail end of side drainage tube is provided with the threeway control device, the threeway rear port seat of threeway control device is provided with connected emergent end cap, setting can guarantee rapid aerofluxus like this, help the urgent rescue of tension pneumothorax, can prevent that on the other hand extraneous air from entering the patient thoracic cavity when air-breathing, guaranteed the sterile working.
As preferably, described emergency set comprises the emergent interface block that is communicated with described threeway rear port seat, described emergent end cap and gas check valve are arranged between emergent interface block and the threeway rear port seat, and a side of the outer drainage tube of described emergent interface block is connected with the drainage tube joint chair.
As preferably, be provided with the threeway rear port in the described threeway rear port seat, described threeway rear port is bell, the bore of described threeway rear port is reduced gradually by drainage tube to threeway seat direction, one side outer wall of the outer drainage tube of described threeway rear port seat is provided with threeway rear port seat external screw thread, described emergent end cap is provided with the emergent inner joint that can insert the threeway rear port and the emergent external tapping that is arranged on the threeway rear port seat outside by a side of threeway rear port seat, the inboard of described emergent external tapping is provided with the emergent external tapping female thread with the engagement of threeway rear port seat external screw thread, be provided with in the emergent end cap along emergent end cap gas channel, described gas unidirectional valve is arranged in the emergent end cap gas channel.
After adopting above-mentioned preferred version, threeway rear port seat is more reliable with being connected of emergent end cap.Utilize on the threeway rear port seat radially that tapering connects and is threaded, the accidental of the end cap that can effectively prevent from the operation meeting an urgent need causes that ambient atmos enters pericardium or thoracic cavity when the patient is air-breathing.Be provided with the gas channel that axially arranges along it in the emergent end cap, be provided with the air-flow check valve in this passage, this air-flow check valve has the different designs form: can be designed to thin-walled rubber tube or thin-walled rubber sleeve jaggy, can be designed to thin elastic film, can be designed to a structure that roughly is drum type, wherein have a periphery to have the circular flap valve of a plurality of small sircle holes.When the thoracic cavity had air-flow to come out from the side drainage tube, air-flow excreted by the air-flow check valve, otherwise closed check valve has been blocked interior to air-flow.The rear end of emergent end cap is provided with external screw thread behind emergent end cap back taper hole mouth and the emergent end cap.
As preferably, the side that described threeway side interface seat deviates from the threeway seat is connected with the side end cap pipe joint, be provided with the threeway side interface that is communicated with the threeway seat in the described threeway side interface seat, described threeway side interface is bell, the bore of described threeway side interface is reduced gradually by side end cap pipe joint to threeway seat direction, the side outer wall that described threeway side interface seat deviates from the threeway seat is provided with threeway side interface seat external screw thread, described side end cap pipe joint is provided with the side end cap pipe joint external tapping that card inserts the side end cap pipe joint inner joint in the threeway side interface and is arranged on the threeway side interface seat outside by a side of threeway seat, the medial wall of described side end cap pipe joint external tapping be provided with threeway side interface seat lateral wall on the side end cap pipe joint external tapping female thread of threeway side interface seat external screw thread engagement, the end that described side end cap pipe joint external tapping deviates from the threeway seat is provided with the side block rubber of closed side end cap pipe joint external tapping.
After adopting above-mentioned preferred version, can utilize three-way cock to carry out the puncture drainage of pericardial effusion, hydrothorax, also can carry out pericardium, the injection of thoracic cavity medicine, help to control the velocity of discharge of pericardial effusion, hydrothorax simultaneously.Through abundant discharge opeing or aerofluxus, after stopping drain, help the patient is continued to observe a period of time.
As preferably, described drainage tube joint chair is connected with described emergent interface block, be provided with the emergent interface block interface into bell in the described emergent interface block, the bore of described emergent interface block interface is reduced gradually by drainage tube to threeway seat direction, one side lateral wall of the outer drainage tube of described emergent interface block is provided with emergent interface block external screw thread, described drainage tube joint chair is provided with the drainage tube joint chair inner joint that can insert emergent interface block interface and is arranged on the drainage tube joint chair external tapping in the emergent interface block outside, described drainage tube interface block external tapping is provided with the drainage tube interface block external tapping female thread with the interface block external screw thread engagement of meeting an urgent need, and described drainage tube is arranged in the drainage tube joint chair inner joint.
After adopting above-mentioned preferred version, the rear end of emergent end cap is provided with emergent interface block, be provided with the emergent interface block interface of taper hole shape in the emergent interface block, and at emergent interface block emergent interface block external screw thread is set, be provided with the drainage tube joint chair inner joint that can insert emergent interface block interface and the drainage tube joint chair external tapping that is arranged on the emergent interface block outside at the drainage tube joint chair, described drainage tube interface block external tapping is provided with the drainage tube interface block external tapping female thread with the interface block external screw thread engagement of meeting an urgent need.Be conducive to can join with drainage tube and water-sealed drainage bottle easily when the pneumothorax drain, awl mouthful connection is more reliable.Utilize on the associated components radially that tapering connects and is threaded, can prevent effectively in the operation that some parts accidental from causing that ambient atmos enters pericardium or thoracic cavity when the patient is air-breathing, the better effects if that is sealed and matched.
As preferably, described drainage catheter is flexible memory material, or is afterbody shape or forniciform elastomeric material in the shape of a spiral.After adopting above-mentioned preferred version, when drainage catheter and nook closing member together insert human body and need aspirate the position of waste liquid, because the supporting role of nook closing member, be stretching state, after nook closing member is extracted, when drainage catheter is made by flexible memory material, during the organ inwall of drainage catheter in human body, be case of bending, avoid human organ is damaged; When drainage catheter is made by shape or forniciform elastomeric material in the shape of a spiral, drainage catheter can be when nook closing member be extracted, the part that loses the nook closing member supporting role can be crooked gradually, if make drainage catheter with elastomeric material, then drainage catheter returns shape in the shape of a spiral after the supporting role that loses nook closing member, the surface is mellow and full, can not damage organ in the human body.
Expendable puncture needle for pericardium and cavum thoracis of the present invention is when carrying out puncture drainage, in a single day puncture needle enters pericardium or thoracic cavity, just can withdraw from nook closing member, can avoid the needle point damage heart of nook closing member, the danger of damage lung tissue, be equipped with the emergent end cap that is provided with the gas unidirectional valve on the side drainage tube, can be used as serious tension pneumothorax patient's urgent salvage tool, puncture needle one injects thoracic wall can discharge thoracic cavity inner high voltage gas rapidly, to reach the effect of help, the arranging of back cavity can conveniently be convenient to people and observe whether stab blood vessel, is convenient to medical personnel and in time gives first-aid measures.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1
Fig. 2 is the structural representation of the embodiment of the invention 1 nook closing member interface block part;
Fig. 3 is the partial enlarged drawing at A place among Fig. 1;
Fig. 4 is the structural representation of the embodiment of the invention 1 bending drainage catheter;
Fig. 5 is the structural representation of the embodiment of the invention 1 helical form drainage catheter;
Fig. 6 is the structural representation of the embodiment of the invention 2.
The specific embodiment
As Fig. 1, Fig. 3 and shown in Figure 4, embodiments of the invention specifically are a kind of expendable puncture needle for pericardium and cavum thoracis, comprise nook closing member 1 and interconnective drainage catheter 2 and drainage catheter joint chair 21, and nook closing member 1 is arranged in the drainage catheter 2.The drainage catheter 2 outer protecting tube covers 3 that are provided with.Be provided with the drain cavity 211 that is communicated with drainage catheter 2 in the drainage catheter joint chair 21, be provided with block rubber 212 in the drain cavity 211, nook closing member 1 extends and penetrates block rubber 212 in the drain cavity 211 to drainage catheter joint chair 21 directions, the end that nook closing member 1 passes block rubber 212 is provided with nook closing member interface block 4, nook closing member interface block 4 is sealed and matched with drainage catheter 2 joint chairs, drainage catheter joint chair 21 is provided with the side drainage tube 5 that is communicated with and extends to the external world with drain cavity 211, and the end that side drainage tube 5 is connected with drainage catheter joint chair 21 is in the front end of drain cavity 211.Be provided with back cavity 41 in the nook closing member interface block 4.The end that the inner hollow of nook closing member 1, nook closing member 1 pass block rubber 212 extends and is communicated with back cavity 41 towards nook closing member interface block 4, and the sidewall of back cavity 41 is provided with the unidirectional valve plug 411 that supplied gas is only passed through.
Be evenly equipped with auxiliary conduction hole 22 on the lateral wall of drainage catheter 2, auxiliary conduction hole 22 is along the length direction setting of drainage catheter 2, drainage catheter 2 is thinner away from one section external diameter of drainage catheter joint chair 21, the lateral wall of drainage catheter 2 is provided with the length scale mark, nook closing member 1 is got by steel, drainage catheter 2 is transparence with nook closing member interface block 4, makes by transparent material.Drainage catheter 2 also can be made into opaque, makes to be convenient to observe monitoring behind the transparence.
The lateral wall of nook closing member 1 is provided with equally distributed return port 11, and return port 11 is along the length direction setting of nook closing member 1, and nook closing member 1 is provided with nook closing member inclined-plane 12 away from an end of nook closing member interface block 4.Nook closing member inclined-plane 12 comprises nook closing member interface block body 42 and nook closing member interface block gag 43 with nook closing member interface block 4.Be provided with joint chair body cavity 421 in the nook closing member interface block body 42.Joint chair body cavity 421 is provided with inner convex platform 4211 by an end of nook closing member 1.Nook closing member 1 stretches in the joint chair body cavity 421 by an end of nook closing member interface block 4, nook closing member 1 stretches into joint chair body cavity 421 parts and is provided with the nook closing member fixture block 13 that offsets and arrange with inner convex platform 4211, nook closing member interface block gag 43 is arranged on joint chair body cavity 421 away from an end of nook closing member 1, joint chair body cavity 421 is provided with the nook closing member interface block tail mouth 4212 that inserts for nook closing member interface block gag 43 away from an end of nook closing member 1, unidirectional valve plug 411 is arranged on the nook closing member interface block gag 43, unidirectional valve plug 411 and the 43 split settings of nook closing member interface block gag among the present invention, unidirectional valve plug 411 can be disassembled from nook closing member interface block gag 43, certainly, the mode that can also adopt unidirectional valve plug 411 and nook closing member interface block gag 43 to be wholely set.
Emergency set 7 comprises the emergent end cap 71 that is connected with threeway rear port seat 62, is provided with gas unidirectional valve 72 in the emergent end cap 71, and gas unidirectional valve 72 is connected with drainage tube 8 away from an end of threeway seat 61.Emergency set 7 comprises the emergent interface block 73 that is communicated with threeway rear port seat 62.Emergent end cap 71 and gas check valve 72 are arranged between emergent interface block 73 and the threeway rear port seat 62, and a side of emergent interface block 73 outer drainage tubes 8 is connected with drainage tube joint chair 81.
Be provided with threeway rear port 621 in the threeway rear port seat 62, threeway rear port 621 is bell, and the bore of threeway rear port 621 is reduced gradually by drainage tube 8 to threeway seat 61 directions.One side outer wall of threeway rear port seat 62 outer drainage tubes 8 is provided with threeway rear port seat external screw thread 622.Emergent end cap 7 is provided with the emergent inner joint 711 that can insert threeway rear port 621 and the emergent external tapping 712 that is arranged on threeway rear port seat 62 outsides by a side of threeway rear port seat 62, and the inboard of emergent external tapping 712 is provided with the emergent external tapping female thread 7121 with 622 engagements of threeway rear port seat external screw thread.Be provided with in the emergent end cap 7 along emergent end cap gas channel 713, gas unidirectional valve 72 is arranged in the emergent end cap gas channel 713.
The side that threeway side interface seat 64 deviates from threeway seat 61 is connected with side end cap pipe joint 65, be provided with the threeway side interface 641 that is communicated with threeway seat 61 in the threeway side interface seat 64, threeway side interface 641 is bell, the bore of threeway side interface 641 is reduced gradually by side end cap pipe joint 65 to threeway seat 61 directions, the side outer wall that threeway side interface seat 64 deviates from threeway seat 61 is provided with threeway side interface seat external screw thread 642, side end cap pipe joint 65 is provided with the side end cap pipe joint external tapping 652 that card inserts side end cap pipe joint 65 inner joints 651 in the threeway side interface 641 and is arranged on threeway side interface seat 64 outsides by a side of threeway seat 61, the medial wall of side end cap pipe joint external tapping 652 be provided with threeway side interface seat 64 lateral walls on the side end cap pipe joint external tapping female thread 6521 of threeway side interface seat external screw thread 642 engagement, the end that side end cap pipe joint external tapping 652 deviates from threeway seat 61 is provided with the side block rubber 66 of closed side end cap pipe joint external tapping 652.
Drainage tube joint chair 81 is connected with emergent interface block 73, is provided with the emergent interface block interface 731 into bell in the emergent interface block 73, and the bore of emergent interface block interface 731 is reduced gradually by drainage tube 8 to threeway seat 61 directions.One side lateral wall of emergent interface block 73 outer drainage tubes 8 is provided with emergent interface block external screw thread 732, drainage tube joint chair 81 is provided with the drainage tube joint chair inner joint 811 that can insert emergent interface block interface 731 and the drainage tube joint chair external tapping 812 that is arranged on emergent interface block 73 outsides, drainage tube interface block external tapping 812 is provided with the drainage tube interface block external tapping female thread 8121 with emergent interface block external screw thread 732 engagements, drainage tube 8 is arranged in the drainage tube joint chair inner joint 812, and 211 medial walls of drain cavity are taper surface.Joint chair body cavity 412 is taper surface, and the bore of joint chair body cavity 412 is reduced gradually by nook closing member interface block 4 to nook closing member 1 direction.
As shown in Figure 4 and Figure 5, drainage catheter 2 is that flexible memory material is made, or by shape or forniciform elastomeric material are made in the shape of a spiral.The material of drainage catheter adopts polyurethane or politef.
After nook closing member 1 withdrawed from, drainage catheter 2 can be curled into helical form owing to lose the supporting role of nook closing member 1, can not damage patient's organ.
The pericardial effusion of making a definite diagnosis or hydrothorax patient, choose suitable position, point of puncture by puncturing pericardial effusion routine or thoracentesis operating routine, local skin sterilization, drape, local anaesthesia, the operator always wears your gloves, the assistant opens the outer package of this practical puncture needle, vertical inserting needle reaches enough degree of depth under the situation that does not allow skin be shifted, as " sense of coming to nothing ", fixedly the nook closing member interface block 21, drainage catheter 2 can continue to advance along nook closing member 1, and the result who tries in the time of sometimes also can be according to local anaesthesia comprehensively judges.Temporary transient fixedly nook closing member 1, drainage catheter 3 is continued to push ahead along nook closing member 1, if drainage catheter 2 is pushed ahead smoothly, withdraw from nook closing member 1 fully, and drainage catheter 2 pushed ahead the suitable degree of depth, spill spin block 611 in the threeway control device 6 is gone on the position of closing threeway side interface seat 64, unload side end cap pipe joint 65, syringe is connected on the threeway side interface seat 64 of threeway control device 6, again the spill spin block 611 in the threeway control device 6 is gone to the position of closing threeway rear port seat 62 and being communicated with threeway side interface seat 64, the suction syringe, pericardial effusion or hydrothorax are just from drainage catheter 2, side drainage tube 5, enter syringe through threeway seat 61 and threeway side interface seat 64.Rotate spill spin block 611 and close threeway front port seat 63, side drainage tube 5 is closed, unload emergent end cap 7, drainage tube 8 is connected on the threeway rear port seat 62, connect the hydrops drainage bag at drainage tube 8, inject and penetrate syringe, hydrops just flows to the hydrops drainage bag from syringe through threeway seat 61, drainage tube 8, after hydrops is successfully extracted out, can drainage catheter 2 joint chairs be fixed in patient's thoracic wall with adhesive plaster, more than can carry out repeatedly with syringe suction and the process of discharging hydrops, hydrops is just by drain.
If hydrops is many, can utilize the siphonage of the fluid column that the hydrops of extraction forms in drainage tube 8, namely when the hydrops in the syringe being entered drainage tube 8 and forming fluid column, spill spin blocks 611 in the threeway control device 6 are transferred to close threeway side interface seat 64, allow side drainage tube and 5 drainage tubes 8 be in connection status, pericardial effusion or hydrothorax will be because of the siphonages of the fluid column of hydrops formation in the drainage tube 8, continuously from pericardium or thoracic cavity, through drainage catheter 2, side drainage tube 5, threeway control device 6, drainage tube 8 drains are to the hydrops drainage bag, the medical worker aside tightly observes, if drainage speed is too fast, can transfer slow drainage speed by the spill spin block 611 control circulation caliber size in the spinning threeway control device 6.
Clinically, run into serious tension pneumothorax patient, under emergency situation, select point of puncture, at stake, can not carry out the site of puncture skin degerming sometimes, control nook closing member interface block 4, make nook closing member inclined-plane 12 parallel with the intercostal space, inserting needle withdraws from nook closing member 2 rapidly, and gas will be through drainage catheter 2, side drainage tube 5, threeway front port seat 63, gas unidirectional valve 72 ejections of threeway seat 61, threeway rear port seat 62, emergent end cap 7 are to reach the purpose of rescuing life.Gas pressure descends to some extent in the thoracic cavity, when the state of an illness takes a turn for the better to some extent, can be on emergent end cap 7 rear ends connect drainage tube 8 and water-sealed drainage bottle, also can temporary close threeway control device 6, unload emergent end cap 7, connect relevant matters such as drainage tube 8 and arrangement water-sealed drainage bottle at threeway rear port seat 62.
Make a definite diagnosis the pneumothorax patient who is not critical for one, the medical personnel, the state of an illness according to the patient at first determines therapeutic scheme, when determining to adopt the puncture drainage postoperative, select the novel disposable puncture needle for pericardium and cavum thoracis of appropriate size, after opening the puncture bag, drainage tube 8 is firmly attached on the threeway rear port seat 62, and the end of drainage tube 8 is connected in water-sealed drainage bottle routinely.Determine patient's drain position then, the point of puncture position, the skin of sterilization sites of puncture such as application iodine tincture, spread hole towel in the site of puncture, use local anaesthetics anesthesia such as lignocaine, the operator hands puncture needle, control nook closing member interface block 4, make puncture nook closing member inclined-plane 12 parallel with the intercostal space, operate according to the thoracentesis operating routine, in piercing process, find the puncture needle sense that falls through, or after the puncture needle inserting needle reaches certain depth, fixedly the nook closing member interface block 4, and examination advances drainage catheter 2 along nook closing member 1 to the thoracic cavity, if can smoothly drainage catheter 2 be advanced toward the thoracic cavity, confirm that puncture needle has entered the thoracic cavity, withdraw from nook closing member 1 rapidly, can see bubble from drainage tube 8 terminal constantly effusions, the confirmation puncture drainage is operated successfully, make drainage catheter 2 grades suitably fixing this moment again, the management of drainage catheter 2, removing selection of time etc. handles according to the operating routine of pneumothorax closed drainage.
As shown in Figure 5, three-way device of the present invention can also adopt easy structure, saves the spill spin block in the logical control device.Comprise threeway base 105, drainage catheter 2 is arranged on the front end of threeway base 105, and the rear end of threeway base 105 is connected with rear port seat 101 by back drainage catheter 1051, and the side of threeway base 105 is provided with side interface seat 102 by side drainage catheter 1052.The emergent end cap 103 that connects on the rear port seat 101 connects side end cap pipe joint 104 on the side interface seat 102, back drainage catheter 1051 and side drainage catheter 1054 are respectively equipped with clip 9, for opening and closing rear port seat 101 and side interface seat 102 usefulness.
Claims (10)
1. expendable puncture needle for pericardium and cavum thoracis, comprise nook closing member and interconnective drainage catheter and drainage catheter joint chair, described nook closing member is arranged in the drainage catheter, be provided with the drain cavity that is communicated with drainage catheter in the described drainage catheter joint chair, be provided with block rubber in the described drain cavity, described nook closing member extends and penetrates block rubber in the drain cavity to drainage catheter joint chair direction, the end that described nook closing member passes block rubber is provided with the nook closing member interface block, described nook closing member interface block and described drainage catheter joint chair are sealed and matched, described drainage catheter joint chair is provided with the side drainage tube that is communicated with and extends to the external world with described drain cavity, the end that described side drainage tube is connected with the drainage catheter joint chair is in the front end of described drain cavity, it is characterized in that: be provided with back cavity in the described nook closing member interface block, described nook closing member inner hollow, the end that described nook closing member passes block rubber extends and is communicated with described back cavity towards the nook closing member interface block, and the sidewall of described back cavity is provided with the unidirectional valve plug that supplied gas is only passed through.
2. chamber, disposable ambition according to claim 1 puncture needle, it is characterized in that: be evenly equipped with some auxiliary conduction holes on the lateral wall of described drainage catheter, described auxiliary conduction hole is along the length direction setting of described drainage catheter, drainage catheter is thinner away from one section external diameter of drainage catheter joint chair, and the lateral wall of described drainage catheter is provided with the length scale mark.
3. chamber, disposable ambition according to claim 1 puncture needle, it is characterized in that: the lateral wall of described nook closing member is provided with some return ports, described return port is along the length direction setting of described nook closing member, and described nook closing member is provided with the nook closing member inclined-plane away from an end of nook closing member interface block.
4. chamber, disposable ambition according to claim 1 puncture needle, it is characterized in that: described nook closing member interface block comprises nook closing member interface block body and nook closing member interface block gag, be provided with joint chair body cavity in the nook closing member interface block body, described joint chair body cavity is provided with inner convex platform by an end of nook closing member, described nook closing member stretches in the joint chair body cavity by an end of nook closing member interface block, described nook closing member stretches into joint chair body cavity part and is provided with the nook closing member fixture block that offsets and arrange with inner convex platform, described nook closing member interface block gag is arranged on joint chair body cavity away from an end of nook closing member, described joint chair body cavity is provided with the nook closing member interface block tail mouth that inserts for nook closing member interface block gag away from an end of nook closing member, and described unidirectional valve plug is arranged on the nook closing member interface block gag.
5. according to claim 1 or 2 or 3 or 4 described novel disposable puncture needles, it is characterized in that: described side drainage tube is provided with the threeway control device, described threeway control device comprises the threeway seat that is arranged on the side drainage tube, be provided with the spill spin block of triplate line in the described threeway seat, described threeway seat is provided with the threeway rear port seat that is communicated with the threeway seat away from a side of drainage catheter, the threeway seat is provided with threeway front port seat near a side of drainage catheter, the sidepiece of threeway seat is provided with threeway side interface seat, described side drainage tube passes threeway front port seat away from a side of drainage catheter and is communicated with described threeway seat, described threeway rear port seat is provided with emergency set away from a side of threeway seat, described emergency set comprises the emergent end cap that is connected with threeway rear port seat, be provided with the gas unidirectional valve in the described emergent end cap, described gas unidirectional valve is connected with drainage tube away from an end of threeway seat.
6. expendable puncture needle for pericardium and cavum thoracis according to claim 5, it is characterized in that: described emergency set comprises the emergent interface block that is communicated with described threeway rear port seat, described emergent end cap and gas check valve are arranged between emergent interface block and the threeway rear port seat, and a side of the outer drainage tube of described emergent interface block is connected with the drainage tube joint chair.
7. expendable puncture needle for pericardium and cavum thoracis according to claim 6, it is characterized in that: be provided with the threeway rear port in the described threeway rear port seat, described threeway rear port is bell, the bore of described threeway rear port is reduced gradually by drainage tube to threeway seat direction, one side outer wall of the outer drainage tube of described threeway rear port seat is provided with threeway rear port seat external screw thread, described emergent end cap is provided with the emergent inner joint that can insert the threeway rear port and the emergent external tapping that is arranged on the threeway rear port seat outside by a side of threeway rear port seat, the inboard of described emergent external tapping is provided with the emergent external tapping female thread with the engagement of threeway rear port seat external screw thread, be provided with in the emergent end cap along emergent end cap gas channel, described gas unidirectional valve is arranged in the emergent end cap gas channel.
8. expendable puncture needle for pericardium and cavum thoracis according to claim 5, it is characterized in that: the side that described threeway side interface seat deviates from the threeway seat is connected with the side end cap pipe joint, be provided with the threeway side interface that is communicated with the threeway seat in the described threeway side interface seat, described threeway side interface is bell, the bore of described threeway side interface is reduced gradually by side end cap pipe joint to threeway seat direction, the side outer wall that described threeway side interface seat deviates from the threeway seat is provided with threeway side interface seat external screw thread, described side end cap pipe joint is provided with the side end cap pipe joint external tapping that card inserts the side end cap pipe joint inner joint in the threeway side interface and is arranged on the threeway side interface seat outside by a side of threeway seat, the medial wall of described side end cap pipe joint external tapping be provided with threeway side interface seat lateral wall on the side end cap pipe joint external tapping female thread of threeway side interface seat external screw thread engagement, the end that described side end cap pipe joint external tapping deviates from the threeway seat is provided with the side block rubber of closed side end cap pipe joint external tapping.
9. expendable puncture needle for pericardium and cavum thoracis according to claim 5, it is characterized in that: described drainage tube joint chair is connected with described emergent interface block, be provided with the emergent interface block interface into bell in the described emergent interface block, the bore of described emergent interface block interface is reduced gradually by drainage tube to threeway seat direction, one side lateral wall of the outer drainage tube of described emergent interface block is provided with emergent interface block external screw thread, described drainage tube joint chair is provided with the drainage tube joint chair inner joint that can insert emergent interface block interface and is arranged on the drainage tube joint chair external tapping in the emergent interface block outside, described drainage tube interface block external tapping is provided with the drainage tube interface block external tapping female thread with the interface block external screw thread engagement of meeting an urgent need, and described drainage tube is arranged in the drainage tube joint chair inner joint.
10. according to claim 1 or 2 or 3 described expendable puncture needle for pericardium and cavum thoracis, it is characterized in that: described drainage catheter is flexible memory material, or is afterbody shape or forniciform elastomeric material in the shape of a spiral.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310149059.2A CN103190944B (en) | 2013-04-25 | 2013-04-25 | Disposable pericardium chest puncture needle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310149059.2A CN103190944B (en) | 2013-04-25 | 2013-04-25 | Disposable pericardium chest puncture needle |
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| CN103190944A true CN103190944A (en) | 2013-07-10 |
| CN103190944B CN103190944B (en) | 2015-07-01 |
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| CN201310149059.2A Active CN103190944B (en) | 2013-04-25 | 2013-04-25 | Disposable pericardium chest puncture needle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106730061A (en) * | 2017-01-04 | 2017-05-31 | 中国人民解放军第三军医大学第三附属医院 | A kind of puncture decompression drainage system |
| RU2677604C1 (en) * | 2018-01-31 | 2019-01-17 | федеральное государственное бюджетное образовательное учреждение высшего образования "Башкирский государственный медицинский университет" Министерства здравоохранения Российской Федерации | Trocar |
| CN111249546A (en) * | 2020-03-04 | 2020-06-09 | 康诺医疗器械(沭阳)有限公司 | Drainage bag with tight joint and strong practicability |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106730061A (en) * | 2017-01-04 | 2017-05-31 | 中国人民解放军第三军医大学第三附属医院 | A kind of puncture decompression drainage system |
| RU2677604C1 (en) * | 2018-01-31 | 2019-01-17 | федеральное государственное бюджетное образовательное учреждение высшего образования "Башкирский государственный медицинский университет" Министерства здравоохранения Российской Федерации | Trocar |
| CN111249546A (en) * | 2020-03-04 | 2020-06-09 | 康诺医疗器械(沭阳)有限公司 | Drainage bag with tight joint and strong practicability |
| CN111249546B (en) * | 2020-03-04 | 2021-10-29 | 康诺医疗器械(沭阳)有限公司 | Drainage bag with tight joint and strong practicability |
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|---|---|
| CN103190944B (en) | 2015-07-01 |
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