CN102258393A - Multifunctional endoscopic minimally invasive hoe scaler - Google Patents
Multifunctional endoscopic minimally invasive hoe scaler Download PDFInfo
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- CN102258393A CN102258393A CN201110117042XA CN201110117042A CN102258393A CN 102258393 A CN102258393 A CN 102258393A CN 201110117042X A CN201110117042X A CN 201110117042XA CN 201110117042 A CN201110117042 A CN 201110117042A CN 102258393 A CN102258393 A CN 102258393A
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- hoe scaler
- mosquito forceps
- forceps
- interlock
- plasma
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Abstract
The invention discloses a multifunctional endoscopic minimally invasive hoe scaler, which comprises a catheter, hemostatic forceps, a hoe scaler, an operating handle, an operation control device and an online physiological monitoring device, and is characterized in that: the head part of the catheter is connected with the hemostatic forceps, and the tail part of the catheter is connected with the operating handle in a matching way; the hemostatic forceps consist of two halves of bullet-shaped hollow forceps heads which can be opened and closed; the hoe scaler is a plasma hoe scaler; the operating handle is provided with a hemostatic forceps push ring capable of moving forward and backward and a hoe scaler control handle; the operation control device comprises a hemostatic forceps operation control device and a hoe scaler operation control device; and the online physiological monitoring device comprises an electric physiological catheter probe and a signal layer formed by winding three electric physiological catheter probe connecting leads. According to the minimally invasive hoe scaler, the defects of the conventional digestive canal tumor treatment are overcome, the scaler and the hemostatic forceps are combined, the minimally invasive hoe scaler has the functions of biopsy forceps, incision and hemostatic forceps after being electrified, convenience is brought to examination, incision and timely hemostasis, and the complications of hemorrhage are reduced.
Description
One, technical field
The present invention relates to a kind of operation on digestive tract apparatus, Wicresoft's hoe scaler under especially a kind of multi-functional scope.
Two, background technology
Intestinal, esophagus, gastric cancer are one of modal malignant tumor.The statistics of IARC (IARC) shows that the new cases number of the main digestive tract tumor in the whole world in 2000 is male's 185.0 ten thousand examples, women's 116.4 ten thousand examples; Wherein gastric cancer male 55.8 ten thousand examples, women's 31.8 ten thousand examples, colorectal cancer male 49.9 ten thousand examples, women's 44.6 ten thousand examples.China is country occurred frequently of digestive tract tumor, and it is digestive tract tumor that the malignant tumor above 57% is arranged approximately.2000, the total case load of the digestive tract tumor of China surpassed 1,890,000 examples, accounted for 18.8% of whole world morbidity sum, the total of esophageal carcinoma, gastric cancer, hepatocarcinoma, colorectal cancer and cancer of pancreas wherein, male's 69.0 ten thousand examples, women's 34.4 ten thousand examples.
Abroad, do not have lymph metastasis or be not prone to the lymph metastasis patient for early stage digestive tract tumor, select demu osation (ESD) treatment under the less scope of wound more than 50% for use, and China treatment digestive tract tumor still adds the cleaning of radical cure lymph in conjunction with chemotherapy based on ocal resection.This Therapeutic Method recovery period is long, and bigger to the patient's body damage, medical expense height (being about 100,000 yuan/people).
And the treatment by ESD not only can cure infantile tumour, and wound is few, post-operative recovery is fast, and its expense also can significantly be reduced (4000 yuan/people).Yet at present the ESD related equipment of external research and development and adnexa exist complex operation, complication height, shortcoming with high costs in clinical use, therefore it is very necessary to develop corresponding apparatus of the ESD with independent intellectual property right and adnexa, will produce far-reaching influence to China's intestinal, esophagus, gastric cancer tertiary prevention and treatment.
Three, summary of the invention
The objective of the invention is to solve the deficiency of above-mentioned existing digestive tract tumor treatment, Wicresoft's hoe scaler under a kind of multi-functional scope is provided, it improves by the overall structure to mucosa incision knife under the scope, make it possess hoe scaler and mosquito forceps simultaneously, avoid the troublesome operation of changing use repeatedly of present existing several apparatuses in the world, it has the function of biopsy forceps, incision and mosquito forceps the energising back, is convenient to check, cuts and hemostasis in time, reduces hemorrhage complication.
The objective of the invention is to adopt following scheme to realize: Wicresoft's hoe scaler under a kind of multi-functional scope, it comprises conduit, mosquito forceps, hoe scaler, operating grip and operating control device, be characterized in: described catheter head connects mosquito forceps, and afterbody and operating grip are connected; But described mosquito forceps is made of the hollow structure binding clip of the bullet-shaped of two halves correspondence folding, and moves forward and backward the realization folding by a mosquito forceps interlock pipe in the conduit; Described hoe scaler is the plasma hoe scaler, and it is structure of steel wire and stretching in the mosquito forceps interlock pipe, and its head is fixed with the ceramic insulation head of blunt shape bullet-shaped structure, the ceramic insulation head stretch out by moving forward and backward of hoe scaler or the described binding clip of withdrawing in; The mosquito forceps throw-out collar and the hoe scaler control handle that can move forward and backward are housed on the described operating grip; Described operating control device comprises mosquito forceps operating control device and hoe scaler operating control device; It also comprises online physiological moniyoting device, and it comprises the electrophysiologicalcatheter catheter probe and connects the signals layer that lead spirals and forms by three electrophysiologicalcatheter catheter probes.
The handle bar of aforesaid operations handle is a hollow, and mosquito forceps interlock pipe and hoe scaler stretch in the handle bar, and the handle bar is provided with shifting chute, graduated disc and clip, and pommel is held ring.Mosquito forceps throw-out collar and hoe scaler control handle are contained in the outer front and rear of handle bar respectively, mosquito forceps interlock pipe afterbody and hoe scaler afterbody all are equipped with electrode and stretch out shifting chute and fix with mosquito forceps throw-out collar and hoe scaler control handle respectively, make mosquito forceps throw-out collar and hoe scaler control handle can drive mosquito forceps interlock pipe respectively when mobile before and after on operating grip and the plasma hoe scaler also moves forward and backward, graduated disc is indicated its displacement; On the hoe scaler control handle sulculus is arranged, the said fixing button can buckle in this sulculus, and the hoe scaler control handle can not be moved.
Above-mentioned mosquito forceps operating control device is made up of mosquito forceps throw-out collar, mosquito forceps interlock pipe, ring alive and two interlock steel wires, wherein mosquito forceps interlock pipe and mosquito forceps throw-out collar are fixed, the ring of living is passed at two interlock steel wire middle parts, two interlock steel wire one ends connect mosquito forceps interlock pipe, but the other end connects the two halves bottom of mosquito forceps binding clip folding respectively.
Above-mentioned electrophysiologicalcatheter catheter probe is contained in the catheter head periphery, mosquito forceps interlock pipe has signals layer outward, it is spiraled by three electrophysiologicalcatheter catheter probe connection leads and forms, this electrophysiologicalcatheter catheter probe connects lead one end and is connected with the electrophysiologicalcatheter catheter probe, the other end is with electrically connecting with the fixed signal electrode of mosquito forceps throw-out collar, signal electrode passes the mosquito forceps throw-out collar, makes things convenient for the signal output socket to connect the armarium such as the electrocardiogram tester of outside.
Above-mentioned hoe scaler operating control device is the hoe scaler control handle, the afterbody of hoe scaler passes mosquito forceps push rod and signal electrode, hoe scaler electrically connects with the plasma electrode of its afterbody after passing signal electrode, plasma electrode can impel hoe scaler to produce plasma, plasma electrode passes the hoe scaler control handle, makes things convenient for plasma electrode to connect plasma generator.
Above-mentioned conduit is a pitch tube, and catheter tail is with reinforcing sleeve outward.Take place chaotic for fear of moving forward and backward of mosquito forceps interlock pipe and plasma hoe scaler, adorning fixed muffle outside reinforcing sleeve is connected with the operating grip head threads, and at the head of operating grip one circle is set and steps up bar, can compress mosquito forceps interlock pipe by it, make the plasma hoe scaler can not drive mosquito forceps interlock pipe when mobile and move in front and back.
The present invention adopts the beneficial effect of such scheme to be: 1) improve by the overall structure to Wicresoft's hoe scaler under the scope, it is possessed simultaneously peels off and hemostatic function, avoid the troublesome operation of changing use repeatedly of present existing several apparatuses in the world, mosquito forceps is blunt shape sub warhead structure, the outside is the insulating properties material, avoid perforation to greatest extent, dwindling the perforation complication greatly takes place, plasma hoe scaler after the energising, function with incision and mosquito forceps, be convenient to cut and hemostasis in time, reduce hemorrhage complication; 2) plasma hoe scaler, mosquito forceps all have oneself and independently operate controlling organization, and Each performs its own functions, can be chaotic; 3) set up mathematical model by sampling analysis, the mathematical model of being gathered can note abnormalities automatically by the front and back comparison software, and when noting abnormalities, report to the police, can draw a pathological changes trend development direction simultaneously, so just can prevent, in time take in case of necessity the treatment measure in advance.Trend by mathematical model comparison software precognition Abnormal Development simultaneously, and set up trend intellectual analysis yarn system, set up the data base, abundant clinical database can draw a lot of useful unusual experiences, and our doctor's medical skill level is improved constantly.
Four, description of drawings
Fig. 1 is the front view when hoe scaler is regained in Wicresoft's hoe scaler under the multi-functional scope of the present invention;
Fig. 2 is the front view when hoe scaler stretches out in Wicresoft's hoe scaler under the multi-functional scope of the present invention;
Fig. 3 is the enlarged drawing of node I among Fig. 2;
Fig. 4 is the A-A cutaway view among Fig. 2;
Fig. 5 is a main half sectional view of the present invention
Fig. 6 is the enlarged drawing of node II among Fig. 5;
Fig. 7 is the three-dimensional structure diagram of operating grip part among the present invention;
Fig. 8 is the three-dimensional structure diagram of cutter head part among the present invention;
As follows to the label declaration in each width of cloth accompanying drawing: the 1-mosquito forceps; 2-electrophysiologicalcatheter catheter probe; The 3-conduit; The 4-reinforcing sleeve; The 5-fixed muffle; The 6-signal electrode; 7-mosquito forceps throw-out collar; The 8-operating grip; The 8a-graduated disc; The 8b-clip; The 8c-shifting chute; 8d-steps up bar; The 9-plasma electrode; 10-hoe scaler control handle; The 10a-sulculus; 11-holds ring; 12-ceramic insulation head; 13-plasma hoe scaler; The 14-binding clip; The 14a-pore; 15-interlock steel wire; 16-mosquito forceps interlock pipe; The 17-signals layer; 17a-electrophysiologicalcatheter catheter probe connects lead; 18-lives and encircles.
Five, the specific embodiment
Be described in detail below in conjunction with the specific embodiment of accompanying drawing Wicresoft's hoe scaler under the multi-functional scope of the present invention.
Wicresoft's hoe scaler under a kind of multi-functional scope, shown in Fig. 1,2,5, it comprises conduit 3, mosquito forceps 1, plasma hoe scaler 13, operating grip 8, operating control device and online physiological moniyoting device.
Shown in Fig. 5,7, the handle bar of operating grip 8 is a hollow, and the handle bar is provided with shifting chute 8c, graduated disc 8a and clip 8b, and pommel is held ring 11.The mosquito forceps throw-out collar 7 and the hoe scaler control handle 10 that can move forward and backward are housed on operating grip 8, and it is outer anterior that mosquito forceps throw-out collar 7 is contained in the handle bar, and hoe scaler control handle 10 is contained in the outer rear portion of handle bar.Operating control device comprises mosquito forceps 1 operating control device and hoe scaler operating control device.
As shown in Figure 4, but mosquito forceps 1 constitute by the hollow structure binding clip 14 of the bullet-shaped of two halves correspondence folding, pore 14a is arranged on binding clip 14.The mosquito forceps operating control device is by mosquito forceps throw-out collar 7, mosquito forceps interlock pipe 16,18 and the two interlock steel wires of ring 15 of living are formed, wherein mosquito forceps interlock pipe 16 afterbodys are equipped with signal electrode 6 to stretch out shifting chute 8c and mosquito forceps throw-out collar 7 fixing, the ring 18 of living is passed at two interlock steel wire 15 middle parts, two interlock steel wire 15 1 ends connect mosquito forceps interlock pipe 16, but the other end connects the two halves bottom of mosquito forceps 1 binding clip 14 foldings respectively, mosquito forceps throw-out collar 7 can move forward and backward along shifting chute on operating grip 8, and drive mosquito forceps interlock pipe 16 also moves forward and backward, and then drive the mechanism that constitutes by live ring 18 and interlock steel wire 15, make interlock steel wire 15 two ends open or draw in, mosquito forceps 1 binding clip 14 is opened up and down, close and reach the sampling or the hemostatic purpose.
Above-mentioned electrophysiologicalcatheter catheter probe 2 is contained in conduit 3 head peripheries, as shown in Figure 4, the mosquito forceps interlock pipe 16 outer signals layers 17 that are with, these signals layer 17 inner discs are rotary with three electrophysiologicalcatheter catheter probes and connect lead 17a, this lead one end is connected with electrophysiologicalcatheter catheter probe 2, the other end and signal electrode 6 electrically connect, signal electrode 6 passes mosquito forceps throw-out collar 7, the signal output socket of signal electrode 6 connects the armarium such as the electrocardiogram tester of outside, when Wicresoft's hoe scaler under this multi-functional scope when the digestive tract that stretches into patient uses, electrophysiologicalcatheter catheter probe 2 can test out patient's physiological conditions such as heart beating, electrocardio, and connect armarium such as the electrocardiogram tester that lead 17a is transferred to test case the outside by electrophysiologicalcatheter catheter probe.
Shown in Fig. 3,6,8, plasma hoe scaler 13 is structure of steel wire and stretches in the mosquito forceps interlock pipe 16, its head is fixed with the ceramic insulation head 12 of blunt shape bullet-shaped structure, afterbody passes mosquito forceps throw-out collar 7 and signal electrode 6, and afterbody is equipped with, and plasma electrode 9 stretches out shifting chute 8c and hoe scaler control handle 10 is fixing, plasma hoe scaler 13 electrically connects with plasma electrode 9, and plasma electrode 9 passes hoe scaler control handle 10 backs and connects plasma generator.Hoe scaler control handle 10 can move forward and backward along shifting chute on operating grip 8, and drive plasma hoe scaler 13 also moves forward and backward, the plasma hoe scaler 13 that is connected with ceramic insulation head 12 so just can stretch out that mosquito forceps 1 pair of early stage stomach of digestive tract, intestinal, esophageal cancer cell and polyp etc. are sampled, cutting treatment, checks simultaneously, cuts and hemostasis in time.
During use, hold hoe scaler control handle 10 and hold ring 11, this end that Wicresoft's hoe scaler under the multi-functional scope is had a ceramic insulation head 12 stretches into patient's digestive tract, as stomach, intestinal, esophagus etc., when it arrive to need the digestive tract cancer cell of cutting and polyp, mobile hoe scaler control handle 10 stretches out outside the mosquito forceps 1 the ceramic insulation head 12 of plasma hoe scaler 13, the distance of stretching out can be controlled by the graduated disc 8a on operating grip 8, the ceramic insulation head 12 of plasma hoe scaler 13 stretches out mosquito forceps 1 structure such as Fig. 2 when outer, shown in 5, hoe scaler utilizes mosquito forceps 1 to sample near the affected part earlier, set up mathematical model by sampling analysis, the mathematical model of being gathered can note abnormalities automatically by the front and back comparison software, and when noting abnormalities, report to the police, can draw a pathological changes trend development direction simultaneously, so just can prevent in advance, in time take the treatment measure in case of necessity.Simultaneously, test out patient's physiological conditions by electrophysiologicalcatheter catheter probe 2, and connect the armarium that lead 17a is transferred to test case the outside by electrophysiologicalcatheter catheter probe, by the trend of mathematical model comparison software precognition Abnormal Development, and set up trend intellectual analysis yarn system, set up the data base.
When needing cutting digestive tract cancer cell and polyp, then cancerous cell and polyp are cut by producing plasma, cutting back stomach, intestinal, esophagus energising are solidified and are reached hemostasis, the energising cutting are reached cut apart normal reaching with improper (inside and outside) tissue to treat the tumor purpose.Simultaneously can also make mosquito forceps 1 folding by mobile mosquito forceps throw-out collar 7, further stomach, intestinal, esophagus be stopped blooding.
As shown in Figure 3, the confusion that moves forward and backward for fear of mosquito forceps interlock pipe 16 and plasma hoe scaler 13, on operating grip 8 sides, adorn a clip 8b on the one hand, sulculus 10a is arranged on hoe scaler control handle 10, clip 8b can buckle in this sulculus 10a and block hoe scaler control handle 10, hoe scaler control handle 10 can not moved, and can not drive plasma hoe scaler 13 and move this moment when mosquito forceps interlock pipe 16 is mobile in front and back; On the other hand at reinforcing sleeve 4 peripheral equipment fixed muffles 5, be connected with operating grip 8 head threads, and at the head of operating grip 8 circle is set and steps up bar 8d, as shown in Figure 7, screw screw thread by it and can compress mosquito forceps interlock pipe 16, make plasma hoe scaler 13 can not drive mosquito forceps interlock pipe 16 when mobile and move in front and back.It is not chaotic so just effectively to control moving forward and backward of mosquito forceps interlock pipe 16 and plasma hoe scaler 13.
Claims (5)
1. Wicresoft's hoe scaler under the multi-functional scope, it comprises conduit (3), mosquito forceps (1), hoe scaler, operating grip (8) and operating control device, it is characterized in that: described catheter head connects mosquito forceps, and afterbody and operating grip are connected; Described mosquito forceps (1) but constitute by the hollow structure binding clip (14) of the bullet-shaped of two halves correspondence folding, and move forward and backward the realization folding by the interior mosquito forceps interlock pipe (16) of conduit (3); Described hoe scaler is plasma hoe scaler (13), it is structure of steel wire and stretches in the mosquito forceps interlock pipe (16), its head is fixed with the ceramic insulation head (12) of blunt shape bullet-shaped structure, ceramic insulation head (12) stretch out by moving forward and backward of hoe scaler or the described binding clip of withdrawing in; The mosquito forceps throw-out collar (7) and the hoe scaler control handle (10) that can move forward and backward are housed on the described operating grip (8); Described operating control device comprises mosquito forceps operating control device and hoe scaler operating control device; It also comprises online physiological moniyoting device, and it comprises electrophysiologicalcatheter catheter probe (2) and connects the signals layer (17) that lead (17a) spirals and forms by three electrophysiologicalcatheter catheter probes.
2. Wicresoft's hoe scaler under the multi-functional scope according to claim 1, it is characterized in that: the handle bar of described operating grip (8) is a hollow, the handle bar is provided with shifting chute (8c), graduated disc (8a) and clip (8b), pommel is held ring (11), it is outer anterior that mosquito forceps throw-out collar (7) is contained in the handle bar, and hoe scaler control handle (10) is contained in the outer rear portion of handle bar.
3. Wicresoft's hoe scaler under the multi-functional scope according to claim 1, it is characterized in that: on the binding clip (14) of described mosquito forceps (1) pore (14a) is arranged, the mosquito forceps operating control device is by mosquito forceps throw-out collar (7), mosquito forceps interlock pipe (16), live and encircle (18) and two interlock steel wires (15) composition, wherein mosquito forceps interlock pipe (16) afterbody is equipped with signal electrode (6) to stretch out shifting chute (8c) and mosquito forceps throw-out collar (7) fixing, the ring (18) of living is passed at two interlock steel wires (15) middle part, two interlock steel wire (15) one ends connect mosquito forceps interlock pipe (16), but the other end connects mosquito forceps (1) binding clip (14) respectively the two halves bottom of folding, mosquito forceps throw-out collar (7) can move forward and backward along shifting chute on operating grip (8), and drive mosquito forceps interlock pipe (16) also moves forward and backward, and then drive is by the mechanism of ring (18) and interlock steel wire (15) formation of living, make interlock steel wire (15) two ends open or draw in, mosquito forceps (1) binding clip (14) is opened up and down, close and reach the sampling or the hemostatic purpose.
4. Wicresoft's hoe scaler under the multi-functional scope according to claim 1, it is characterized in that: described electrophysiologicalcatheter catheter probe (2) is contained in conduit (3) head periphery, the outer signals layer (17) that is with of mosquito forceps interlock pipe (16), this signals layer (17) inner disc is rotary with three electrophysiologicalcatheter catheter probes and connects lead (17a), this lead one end is connected with electrophysiologicalcatheter catheter probe (2), the other end and signal electrode (6) electrically connect, signal electrode (6) passes mosquito forceps throw-out collar (7), and the signal output socket of signal electrode (6) connects the armarium of outside.
5. Wicresoft's hoe scaler under the multi-functional scope according to claim 1, it is characterized in that: described plasma hoe scaler (13) is structure of steel wire and stretches in the mosquito forceps interlock pipe (16), its head is fixed with the ceramic insulation head (12) of blunt shape bullet-shaped structure, afterbody passes mosquito forceps throw-out collar (7) and signal electrode (6), and afterbody is equipped with, and plasma electrode (9) stretches out shifting chute (8c) and hoe scaler control handle (10) is fixing, plasma hoe scaler (13) electrically connects with plasma electrode (9), and plasma electrode (9) passes hoe scaler control handle (10) back and connects plasma generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110117042.XA CN102258393B (en) | 2011-05-06 | 2011-05-06 | Multifunctional endoscopic minimally invasive hoe scaler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110117042.XA CN102258393B (en) | 2011-05-06 | 2011-05-06 | Multifunctional endoscopic minimally invasive hoe scaler |
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| Publication Number | Publication Date |
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| CN102258393A true CN102258393A (en) | 2011-11-30 |
| CN102258393B CN102258393B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110117042.XA Expired - Fee Related CN102258393B (en) | 2011-05-06 | 2011-05-06 | Multifunctional endoscopic minimally invasive hoe scaler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920507A (en) * | 2012-11-02 | 2013-02-13 | 潘文胜 | Mucosa resecting scalpel |
| CN104622562A (en) * | 2015-03-06 | 2015-05-20 | 常州市康心医疗器械有限公司 | Esophageal dissociator with minimally-invasive drainage tube endoscope |
| WO2020249090A1 (en) * | 2019-06-14 | 2020-12-17 | 谭子隽 | Sampling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20010025184A1 (en) * | 1999-10-05 | 2001-09-27 | Messerly Jeffrey D. | Blades with functional balance asymmetries for use with ultrasonic surgical instruments |
| US20050145671A1 (en) * | 2002-05-10 | 2005-07-07 | Viola Frank J. | Surgical stapling apparatus having a wound closure material applicator assembly |
| CN101209216A (en) * | 2006-12-29 | 2008-07-02 | 武汉半边天医疗技术发展有限公司 | Cervix coagulating operating knife |
| CN201609409U (en) * | 2010-01-26 | 2010-10-20 | 武汉半边天医疗技术发展有限公司 | Double-sided coagulation knife |
-
2011
- 2011-05-06 CN CN201110117042.XA patent/CN102258393B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010025184A1 (en) * | 1999-10-05 | 2001-09-27 | Messerly Jeffrey D. | Blades with functional balance asymmetries for use with ultrasonic surgical instruments |
| US20050145671A1 (en) * | 2002-05-10 | 2005-07-07 | Viola Frank J. | Surgical stapling apparatus having a wound closure material applicator assembly |
| CN101209216A (en) * | 2006-12-29 | 2008-07-02 | 武汉半边天医疗技术发展有限公司 | Cervix coagulating operating knife |
| CN201609409U (en) * | 2010-01-26 | 2010-10-20 | 武汉半边天医疗技术发展有限公司 | Double-sided coagulation knife |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920507A (en) * | 2012-11-02 | 2013-02-13 | 潘文胜 | Mucosa resecting scalpel |
| CN102920507B (en) * | 2012-11-02 | 2015-01-14 | 潘文胜 | Mucosa resecting scalpel |
| CN104622562A (en) * | 2015-03-06 | 2015-05-20 | 常州市康心医疗器械有限公司 | Esophageal dissociator with minimally-invasive drainage tube endoscope |
| WO2020249090A1 (en) * | 2019-06-14 | 2020-12-17 | 谭子隽 | Sampling system |
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| CN102258393B (en) | 2014-09-10 |
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