CN105361931A - Pen point type double-side-hole pure spinal anaesthesia puncture needle - Google Patents
Pen point type double-side-hole pure spinal anaesthesia puncture needle Download PDFInfo
- Publication number
- CN105361931A CN105361931A CN201510946759.3A CN201510946759A CN105361931A CN 105361931 A CN105361931 A CN 105361931A CN 201510946759 A CN201510946759 A CN 201510946759A CN 105361931 A CN105361931 A CN 105361931A
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- China
- Prior art keywords
- needle
- handle
- type double
- needle handle
- puncture needle
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3401—Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
Abstract
The invention relates to a pen point type double-side-hole pure spinal anaesthesia puncture needle. The puncture needle is provided with a needle handle and a needle body. The top end of the needle body is a needle point, and two symmetrical needle holes are formed in the side wall of the top point; two symmetrical needle handle side wings are arranged on the side wall of the needle handle, the length direction of the needle handle side wings is perpendicular to the length direction of the needle body, and anti-slipping protrusions are arranged at the outer ends of the needle handle side wings and face the needle body; anti-slipping threads are arranged on the external surface of the needle handle and the external surfaces of the needle handle side wings respectively; the needle point is conical. The pen point type double-side-hole pure spinal anaesthesia puncture needle has the advantages that it can be guaranteed that cerebrospinal fluid is drawn back smoothly, and whether the needle point reaches the subarachnoid space can be judged through visually observing drawback of the cerebrospinal fluid; the force-applying direction of puncturing and the needle body are kept in the same straight line, in this way, puncturing difficulty is lowered, and the success rate of puncturing is increased; damage to the ligament and spinal dura mater is small, and the probability of pain in back and loin, headache and other complications can be effectively lowered.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically, relate to the simple lumbar anaesthesia puncture needle of a kind of nib type double-side-hole.
Background technology
Lumbar anesthesia is one of modern clinic anaesthesia technology, its principle arrives subarachnoid space from human body back interspinal interstice by skin, subcutaneous tissue, supraspinal ligament, interspinal ligaments, ligamenta flava and spinal dura mater with puncture needle, anaesthetic is injected, by the diffusion anesthesia spinal cord of medicine in SACSF, play anesthetic action.Because lumbar anesthesia directly can anaesthetize spinal cord, therefore rapid-action, action effect improves definite, very popular as a kind of field block, particularly has greater advantage for lower limb, hypogastric region, patient that is older or that have Pulmonary Diseases and be not suitable for implementing general anesthesia operation.
According to the puncture procedure path of lumbar anesthesia, be typically chosen in human lumbar 2-3, waist 3-4, the puncture of waist 4-5 gap.Current enforcement lumbar anesthesia punctures, and mainly simple lumbar anaesthesia puncture needle, hard waist combined puncturing needle and band guide the lumbar anaesthesia puncture needle of pin to the puncture needle adopted.Simple lumbar anaesthesia puncture needle piercing process and principle are as previously mentioned; Hard waist associating piercing process is after first thick epidural needle being arrived epidural space with lumbar anesthesia puncture path, a thinner lumbar anaesthesia puncture needle is punctured spinal dura mater by epidural needle inside arrives subarachnoid administration; Band guides the lumbar anaesthesia puncture needle of pin puncture principle to be that a thick guiding is needled into subcutaneous tissue, then by spinal needle by this path inserting needle anesthesia.The spinal needle needle point that several method adopts mainly contains nib type and inclined mouth type.
The operating process anesthesia mechanism that above-mentioned several lumbar anesthesia is implemented is all will by infusion of medicine to subarachnoid anesthesia spinal cord, but to operate in implementation process by puncture needle different.Those skilled in the art are through constantly summing up discovery, hard waist combines puncture and band guides the piercing method of pin due to by bodkin guided puncture, bodkin to tissue particularly ligament can cause certain damage, therefore groups of people can cause the complication of postoperative lumbago and backache; Simple lumbar anaesthesia puncture needle is due to tiny, cause back damage and postoperative discomfort relatively rare, but pin is still slightly thick, in addition pinpoint inclined plane formula opening, after lumbar anesthesia, headache is still common complication, and from theoretical and clinical practice, after causing headache reason mainly needle tip puncturing spinal dura mater, cerebrospinal fluid leaks outside and causes, and the increase cerebrospinal fluid factor of leaking outside mainly contains the thickness, needle tip shape etc. of pin.For above-mentioned defect, Chinese patent literature CN201320537114.0, day for announcing 2014.02.19 discloses a kind of lumbar anaesthesia puncture needle, comprises large footpath needle tubing, transition needle tubing, path syringe needle and coordinates needle handle; Path syringe needle, transition needle tubing, large footpath needle tubing be from top to bottom fixed together successively and its seam all in seamlessly transitting shape; The bottom of large footpath needle tubing is fixedly mounted on and coordinates in needle handle; Coordinate in needle handle and have the through hole communicated with the endoporus of large footpath needle tubing, the endoporus of transition needle tubing and large footpath needle tubing communicates, and there is the connecting hole communicated with transition needle tubing endoporus the inside of path syringe needle, and the pin hole communicated with connecting hole is arranged at the top of path syringe needle.This utility model, while effectively reducing postoperative generation cerebrospinal leak and headache, dizzy complication, improves the puncture strength of puncture needle, makes its puncture of being more convenient for.
But, in lumbar anesthesia process, except the problem of above-mentioned complication, also may there is the problem that other affects lumbar anesthesia whole structure, this need those skilled in the art in long-term clinical practice work meticulous inspection, think hard and sum up.The weak point of discovery that can be sharp and correct understanding lumbar anesthesia implementation and operation process is also improved, and will contribute to promoting clinical lumbar anesthesia effect, and benefit patient.
Summary of the invention
The object of the invention is for deficiency of the prior art, provide a kind of nib type double-side-hole simple lumbar anaesthesia puncture needle.
For achieving the above object, the technical scheme that the present invention takes is:
The simple lumbar anaesthesia puncture needle of a kind of nib type double-side-hole, be provided with needle handle and needle body, the position, top of described needle body is needle point, and the sidewall of described needle point is provided with pin hole, described pin hole has two, and the position of two pin holes is symmetrical relative to the central shaft of described needle body.
The sidewall of described needle handle is provided with two needle handle flanks, and the position of two needle handle flanks is symmetrical relative to the central shaft of described needle body.
The outer surface of described needle handle and needle handle flank is equipped with anti-slip veins, and the anti-slip veins on described needle handle is the fin of travers shape, and the anti-slip veins on described needle handle flank is the fin of vertical striated.
The length direction of described needle handle flank is perpendicular to the length direction of needle body.
The outer end of described needle handle flank is provided with non-slip process.
The projected direction of described non-slip process is towards needle body.
Described needle point is taper.
Described needle handle and the inside of needle body are all hollow, are provided with interior puncture needle passage, are provided with nook closing member in described interior puncture needle passage.
The length of described needle handle is 1-1.5cm.
The invention has the advantages that:
Present inventor is in abundant clinical position, meticulous inspection and summary find whether the position judging inserting needle is instructed in pumpback by cerebrospinal fluid, and in piercing process, puncture power thrusts and needle body are kept can improving puncture success rate on the same line, accordingly further improvement is done to lumbar anaesthesia puncture needle of the prior art, particularly:
1, two symmetrical pin holes are set at the needle point position of needle body, therefore can guarantee the pumpback that cerebrospinal fluid is unobstructed after needle point penetrates into subarachnoid space;
2, two needle handle flanks are set on needle handle, non-slip process is established outside needle handle flank, and anti-slip veins is established on needle handle and needle handle flank, patient can be convenient to and grip needle handle, uniform application in piercing process, make puncture power thrusts and needle body remain on the same line, reduce venipuncture difficulty, improve puncture success rate.
Accompanying drawing explanation
Accompanying drawing 1 is the simple lumbar anaesthesia puncture needle structural representation of nib type double-side-hole of the present invention.
Detailed description of the invention
Present inventor is in long-term lumbar anesthesia practical operation, be good at finding and summing up, recognize following technical problem: (1) lumbar anaesthesia puncture needle needs to arrive subarachnoid space through spinal dura mater and anaesthetic could be injected, effectively play anesthetic action, but whole puncture path is complicated, if operation exists deviation, anaesthetic can not be injected into subarachnoid space exactly, occurs anaesthetizing unsuccessfully.In view of above reason, lumbar anesthesia effect also can there are differences because doctor's operant level is different.Therefore be necessary the impact eliminating this anthropic factor, preferably can judge the inserting needle position of lumbar anaesthesia puncture needle intuitively.(2) as previously mentioned, lumbar anesthesia puncture path is complicated, and obstruction is many, the more difficult assurance in the direction of therefore exerting oneself, if puncture power thrusts and needle body can be remained at same rectilinear direction, then can reduce operation easier, reduce the generation of puncture failure.In order to solve above-mentioned two technical problems, present inventor, through further thinking, has made improvement to existing simple lumbar anaesthesia puncture needle, has completed the present invention based on this.
Below in conjunction with accompanying drawing, detailed description of the invention provided by the invention is elaborated.
The Reference numeral related in accompanying drawing and ingredient as follows:
1. needle handle 2. needle body
21. needle point 3. pin holes
4. needle handle flank 41. non-slip process
5. puncture needle passage in anti-slip veins 6.
7. nook closing member 8. needle core handle
Embodiment 1
Refer to Fig. 1, Fig. 1 is the simple lumbar anaesthesia puncture needle structural representation of nib type double-side-hole of the present invention.The described simple lumbar anaesthesia puncture needle of nib type double-side-hole is provided with needle handle 1, needle body 2 and pin hole 3.Described needle handle 1 waist is comparatively thin, and sidewall is provided with two needle handle flanks 4, and the position of two described needle handle flanks 4 is symmetrical relative to the central shaft of described needle body 2, and the distance of distance needle handle 1 front-end and back-end is equal, and the length of needle handle flank 4 is 0.8-1.2cm.The length direction of described needle handle flank 4 is perpendicular to the side of needle handle 1, and the outer end of needle handle flank 4 is provided with non-slip process 41, and the projected direction of described non-slip process 41 is towards needle body 2.Described needle handle 1 and the outer surface of needle handle flank 4 are equipped with anti-slip veins 5, and the anti-slip veins on described needle handle 1 is the fin of travers shape, and the anti-slip veins on described needle handle flank 4 is the fin of vertical striated.Described needle handle 1 and the inside of needle body 2 are all hollow, are provided with interior puncture needle passage 6.Be provided with nook closing member 7 in described interior puncture needle passage 6, the afterbody of described nook closing member 7 is provided with needle core handle 8.The model of described needle body 2 is No. 25, and length is 8cm.The position, top of described needle body 2 is needle point 21, and described needle point 21 is tapered to top orientation, in taper.The surface of needle body 2 is provided with graduation mark (not shown), and the distance of adjacent graduation mark is 1cm.Described pin hole 3 has two, is all located on the sidewall of needle point 21, and the position of two pin holes 3 is symmetrical relative to the central shaft of described needle body 2, and described pin hole 3 communicates with interior puncture needle passage 6.
It should be noted that, described pin hole 3 is provided with two, after can ensureing that the needle point 21 of the simple lumbar anaesthesia puncture needle of nib type double-side-hole of the present invention arrives subarachnoid space, cerebrospinal fluid in subarachnoid space can smoothly glibly pumpback in needle body 2, patient like this can intuitively and exactly judge that needle point 21 arrives subarachnoid space, namely prompting can carry out anaesthetic injection, guarantees that medicine plays anaesthetic effect.This design overcomes the defect that lumbar anesthesia effect there are differences because doctor's operant level is different.Described needle point 21 designs in taper, to ligament and Dural damage little, and then cerebrospinal fluid outflow can be reduced, avoid the generation of lumbago and backache and headache complication after lumbar anesthesia.Described needle handle flank 4 is provided with two, and its length direction is designed to the side perpendicular to needle handle 1, the distance of distance needle handle 1 front-end and back-end is equal simultaneously, forefinger and middle finger can be fastened two needle handle flanks 4 respectively when such patient punctures, balancedly exert a force to needle body 2 direction, puncture power thrusts and needle body 2 are demarcated on the same line all the time, reduces operation easier, decrease the generation of puncture failure.Described needle handle 1 is provided with the anti-slip veins of travers shape, and described needle handle flank 4 is provided with the anti-slip veins of vertical striated, and when can prevent patient from puncturing, hand is in the issuable slippage in direction, back and forth or left and right, prevents the change in puncture direction.Described nook closing member 7 can increase the intensity of needle body 2 in piercing process, and prevents puncture needle passage 6 in the fillings such as tissue.Graduation mark on described needle body 2 is convenient to patient and is estimated penetration depth.The length of described needle handle 1 is preferably 1-1.5cm.Described its model of needle body 2 and length are all not limited only to the present embodiment.Shape and the structure of described needle handle 1 are also not limited only to the present embodiment, but with the effect of the present embodiment for the best.Concrete shape and the structure of described anti-slip veins 5 are also not limited only to the present embodiment, can also be graininess projection, twill-like fin etc., but with the effect of the present embodiment for the best, the effect of its anti-skidding especially fixed setting are especially outstanding in clinical practice.
The using method of the simple lumbar anaesthesia puncture needle of nib type double-side-hole of the present invention is: during lumbar anesthesia puncture, the hand-held handle 1 of patient, forefinger and middle finger fasten two needle handle flanks 4 respectively, thumb is by the end face of needle core handle 8, then skin is passed through from human body back interspinal interstice, subcutaneous tissue, supraspinal ligament, interspinal ligaments, ligamenta flava and spinal dura mater are to reaching subarachnoid space puncture inserting needle, according to the graduation mark estimation paracentesis depth on needle body 2, then nook closing member 7 is extracted out, to be seen when being back in needle body 2 to cerebrospinal fluid, then can judge that needle point 21 arrives subarachnoid space, now just can utilize interior puncture needle by interior puncture needle passage 6 to injecting anesthetic medicine in subarachnoid space, then the simple lumbar anaesthesia puncture needle of nib type double-side-hole of the present invention is extracted.The simple lumbar anaesthesia puncture needle of this nib type double-side-hole can ensure that cerebrospinal fluid pumpback is smooth, judge tip position intuitively, guarantee the success rate of anaesthetizing, and in use procedure, can ensure that puncture power thrusts and needle body remain on the same line, reduce venipuncture difficulty, improve puncture success rate, simultaneously to ligament and Dural damage little, can effectively reduce lumbago and backache, headache complication occurrence probability.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; can also make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.
Claims (9)
1. the simple lumbar anaesthesia puncture needle of nib type double-side-hole, is provided with needle handle and needle body, and the position, top of described needle body is needle point, the sidewall of described needle point is provided with pin hole, it is characterized in that, described pin hole has two, and the position of two pin holes is symmetrical relative to the central shaft of described needle body.
2. the simple lumbar anaesthesia puncture needle of nib type double-side-hole according to claim 1, is characterized in that, the sidewall of described needle handle is provided with two needle handle flanks, and the position of two needle handle flanks is symmetrical relative to the central shaft of described needle body.
3. the simple lumbar anaesthesia puncture needle of nib type double-side-hole according to claim 2, it is characterized in that, the outer surface of described needle handle and needle handle flank is equipped with anti-slip veins, anti-slip veins on described needle handle is the fin of travers shape, and the anti-slip veins on described needle handle flank is the fin of vertical striated.
4. the simple lumbar anaesthesia puncture needle of nib type double-side-hole according to claim 2, is characterized in that, the length direction of described needle handle flank is perpendicular to the length direction of needle body.
5. the simple lumbar anaesthesia puncture needle of nib type double-side-hole according to claim 2, is characterized in that, the outer end of described needle handle flank is provided with non-slip process.
6. the simple lumbar anaesthesia puncture needle of nib type double-side-hole according to claim 5, it is characterized in that, the projected direction of described non-slip process is towards needle body.
7. the simple lumbar anaesthesia puncture needle of nib type double-side-hole according to claim 1, it is characterized in that, described needle point is taper.
8. the simple lumbar anaesthesia puncture needle of nib type double-side-hole according to claim 1, is characterized in that, described needle handle and the inside of needle body are all hollow, is provided with interior puncture needle passage, is provided with nook closing member in described interior puncture needle passage.
9. the simple lumbar anaesthesia puncture needle of nib type double-side-hole according to claim 1, is characterized in that, the length of described needle handle is 1-1.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946759.3A CN105361931A (en) | 2015-12-16 | 2015-12-16 | Pen point type double-side-hole pure spinal anaesthesia puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946759.3A CN105361931A (en) | 2015-12-16 | 2015-12-16 | Pen point type double-side-hole pure spinal anaesthesia puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105361931A true CN105361931A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510946759.3A Pending CN105361931A (en) | 2015-12-16 | 2015-12-16 | Pen point type double-side-hole pure spinal anaesthesia puncture needle |
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| CN (1) | CN105361931A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108378874A (en) * | 2018-05-02 | 2018-08-10 | 中国人民解放军陆军军医大学第附属医院 | A kind of newborn's Multifunctional safe type waist with a scale wears catheter needle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5250035A (en) * | 1992-04-20 | 1993-10-05 | Abbott Laboratories | Cannula and stylet system |
| CN2370834Y (en) * | 1999-03-20 | 2000-03-29 | 耿清胜 | Puncture needle for lumbar region |
| CN2891987Y (en) * | 2006-05-12 | 2007-04-25 | 温一辉 | Rail type lumbar vertebra combined puncture needle |
| CN201171704Y (en) * | 2008-03-26 | 2008-12-31 | 中国人民解放军第三军医大学第一附属医院 | Detachable bone puncture needle |
| CN201668469U (en) * | 2010-05-13 | 2010-12-15 | 葛寒冬 | Single-cavity porous lumber puncture needle for combined spinal epidural anesthesia |
| CN203388924U (en) * | 2013-07-18 | 2014-01-15 | 杨德荣 | Continuous lumbar anesthesia puncture indwelling needle |
| CN204520902U (en) * | 2015-03-30 | 2015-08-05 | 湖北医药学院附属人民医院 | A kind of antrum puncture needle |
| CN204581439U (en) * | 2015-01-15 | 2015-08-26 | 江苏省华星医疗器械实业有限公司 | Combined anesthesia puncture needle |
-
2015
- 2015-12-16 CN CN201510946759.3A patent/CN105361931A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5250035A (en) * | 1992-04-20 | 1993-10-05 | Abbott Laboratories | Cannula and stylet system |
| CN2370834Y (en) * | 1999-03-20 | 2000-03-29 | 耿清胜 | Puncture needle for lumbar region |
| CN2891987Y (en) * | 2006-05-12 | 2007-04-25 | 温一辉 | Rail type lumbar vertebra combined puncture needle |
| CN201171704Y (en) * | 2008-03-26 | 2008-12-31 | 中国人民解放军第三军医大学第一附属医院 | Detachable bone puncture needle |
| CN201668469U (en) * | 2010-05-13 | 2010-12-15 | 葛寒冬 | Single-cavity porous lumber puncture needle for combined spinal epidural anesthesia |
| CN203388924U (en) * | 2013-07-18 | 2014-01-15 | 杨德荣 | Continuous lumbar anesthesia puncture indwelling needle |
| CN204581439U (en) * | 2015-01-15 | 2015-08-26 | 江苏省华星医疗器械实业有限公司 | Combined anesthesia puncture needle |
| CN204520902U (en) * | 2015-03-30 | 2015-08-05 | 湖北医药学院附属人民医院 | A kind of antrum puncture needle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108378874A (en) * | 2018-05-02 | 2018-08-10 | 中国人民解放军陆军军医大学第附属医院 | A kind of newborn's Multifunctional safe type waist with a scale wears catheter needle |
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Application publication date: 20160302 |
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