CN106137281B - A kind of blood vessel strips off device and its clamp - Google Patents
A kind of blood vessel strips off device and its clamp Download PDFInfo
- Publication number
- CN106137281B CN106137281B CN201610723242.2A CN201610723242A CN106137281B CN 106137281 B CN106137281 B CN 106137281B CN 201610723242 A CN201610723242 A CN 201610723242A CN 106137281 B CN106137281 B CN 106137281B
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- China
- Prior art keywords
- clamp
- blood vessel
- connector
- traction rope
- pilot hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 52
- 230000002093 peripheral effect Effects 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 229920001400 block copolymer Polymers 0.000 claims description 2
- MAYCNCJAIFGQIH-UHFFFAOYSA-N buta-1,3-diene 5-phenylpenta-2,4-dienenitrile Chemical compound C=CC=C.N#CC=CC=CC1=CC=CC=C1 MAYCNCJAIFGQIH-UHFFFAOYSA-N 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 210000003752 saphenous vein Anatomy 0.000 description 5
- 210000003462 vein Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 206010052428 Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 206010046996 Varicose vein Diseases 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/00008—Vein tendon strippers
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Rheumatology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of blood vessels to strip off device and its clamp, it includes traction rope that blood vessel, which strips off device, the connector being installed on traction rope, clamp is detachably connected with connector, clamp includes collet body, collet body has the pilot hole of perforation ontology rear and front end, especially: being formed with first step on the inner wall of pilot hole, when use, junction portion is all mounted in pilot hole, and end and first step offset clamping and cannot move backward thereafter, the gap to clamp blood vessel is also formed between the inner wall and connector of pilot hole, gap is located at the front side of step.Blood vessel of the invention strips off device and its clamp structure is simple and convenient to operate, is convenient for production, is at low cost, to have important practical significance and good potential applicability in clinical practice.
Description
Technical field
The invention belongs to medical instruments fields, and in particular to blood vessel can be stripped off dress from the blood vessel that surrounding tissue is removed by one kind
It sets, in particular to the clamp for stripping off device.
Background technique
Currently, in great saphenous varicose vein treatment clinical course, common operative treatment be the vein ligation of varicose simultaneously
Stripping is thoroughly taken out, traditional modus operandi is from thigh root to medial leg portion many places notch to cut off cirso-, this side
There are wounds for method greatly, patient is more painful, the hospital stays is long, inaesthetic disadvantage.
The disposable vein sold on the market at present strips off device and generally comprises traction rope, connecing for traction rope both ends is arranged in
Head, the detachably connected lever of connector and the clamp detachably connected with the connector of the other end with one end, wherein
Clamp does not have the function of ligation blood vessel.Clamp disclosed in the clamp of existing patent report such as CN102871695A is not yet
The function of having ligation blood vessel.
CN105147340A discloses the self-locking chuck device that a kind of great saphenous vein strips off conduit, which includes clamp spiral shell
Cap and Self-locking screw, Self-locking screw top are equipped with card resistance position, and position is equipped with self-locking thread among outside, and lower end is led equipped with taper
To piece, inside is equipped with longitudinal fitting groove；Intermediate position is equipped with the longitudinal inner thread matched with Self-locking screw on the inside of clamp nut,
Inside lower end is equipped with taper groove, and bottom is equipped with the circular hole concentric with longitudinal fitting groove of Self-locking screw, the circular hole and taper groove phase
It is logical.When in use, Self-locking screw is mounted on the hawser for being cased with blood vessel for the device, and clamp nut is mounted on Self-locking screw
On, it fixes vein blood vessel with self-locking chuck device, then lever is fixed on to the other end and the connector cooperation of hawser, firmly takes out
Hawser extracts blood vessel out together with self-locking chuck device out, and auxiliary great saphenous vein can be completed and take out stripping.The patent disclosure it is self-locking
Although the function of locking may be implemented in device, but the device is threadedly coupled structure realization, and structure is more complicated, and setting is not
Just, cumbersome when and using, in addition ligature almost with line with doctor；Furthermore this connection type, which is easy to happen, strips off
The phenomenon that blood vessel is pumped off easily causes surrounding tissue and nerve in this way, doctor needs to strip off pumping off position and do notch again
Damage, increases the pain of patient, extends operating time.
Summary of the invention
The technical problem of being solved of the invention is to provide the new blood vessel of one kind and strips off device and its clamp.
In order to solve the above technical problems, a kind of technical solution that the present invention uses is:
A kind of blood vessel strips off the clamp of device, and blood vessel strips off device and includes traction rope, is respectively arranged in two before and after traction rope
Connector on end, the clamp and the connector on the traction rope front end are detachably connected, and the clamp includes collet body,
Collet body has the pilot hole for penetrating through its rear and front end, especially: it is formed with first step on the inner wall of the pilot hole,
In use, junction portion on traction rope front end or be all mounted in pilot hole, and end and first step offset card thereafter
Consolidation is existing self-locking, is also formed with the gap being in communication with the outside to clamp blood vessel between the inner wall and connector of pilot hole.
Preferably, the connector can be more smoothly inserted into clamp in the gradually smaller taper of diameter from front to back
In wall.
According to a preferred aspect of the present invention: being located on front side of first step on the inner wall of the pilot hole and be formed with
Pilot hole is divided into leading portion, interlude and back segment by second step, first step and second step, and wherein the diameter of leading portion is greater than
The outer diameter of connector forms the gap between the inner wall of leading portion and the outer peripheral surface of connector.
Preferably, the connector on the traction rope front end, the interlude inner cavity be in from front to back diameter gradually become
Small taper, in use, the outer peripheral surface of connector on the traction rope front end matches clamping, shape with the inner wall surface of interlude
At self-locking.
Preferably, the junction portion is mounted in the pilot hole, and the pilot hole setting is stretched out in front end.
Preferably, connector front end surface is round and smooth design, and not sharp keen edge can effective protection blood vessel.
Further, the collet body is provided with the open slot being connected to the pilot hole along its length, should
Open slot can pass through for being cased with the traction rope of blood vessel, facilitate the connection of clamp and connector, easy to operate.
Further, it is respectively formed with protrusion on the two sides side wall of the open slot, is put into open slot in traction rope in this way
Afterwards, when firmly pulling traction rope, the risk that can effectively prevent or avoid traction rope to slip from open slot.Specifically, described
Protrusion is semicircular arc-shaped etc..
Preferably, the front side outer surface of the collet body is formed with recess, if necessary, doctor can with pliers or
Person's tweezers, clamp depressed area.
According to the present invention, the material of the clamp can be stainless steel, PA (nylon), POM(polyformaldehyde), PP (poly- third
Alkene), PE (polyethylene), ABS (styrene-acrylonitrile-butadiene block copolymer), PC (polycarbonate), PMMA (acrylic)
Or PET (polyethylene terephthalate) etc..
The another technical solution that the present invention takes is: a kind of blood vessel strips off device, including traction rope, be respectively arranged in it is described
Traction rope rear and front end on connector, especially its clamp that device is stripped off with above-mentioned blood vessel.
Further, it further includes removably connecting with the connector on the traction rope rear end that the blood vessel, which strips off device,
The lever connect, operation Shi doctor catch handle firmly pull, traction rope blood vessel can be stripped off device with blood vessel together with extract out.
Blood vessel of the invention strips off device and strips off particularly suitable for great saphenous vein.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
The present invention is by improving clamp, using the cooperation of the step and connector formed in its mounting hole, that is, realize it is self-locking, together
When the function of automatic ligation blood vessel is also realized by forming gap between inner wall of the hole installing and connector outer peripheral surface, in use, behaviour
Make very convenient, can effectively improve working efficiency, shorten operating time, mitigate Principle of Pain, and be not susceptible to blood vessel and pumped off
The case where, meanwhile, the configuration of the present invention is simple, setting is convenient, cost is relatively low.
Detailed description of the invention
Fig. 1 is the whole assembling schematic diagram that blood vessel strips off device；
Fig. 2 is the overlooking structure diagram of clamp；
Fig. 3 is the axial schematic cross-sectional view of clamp；
Fig. 4 is connector axial direction schematic cross-sectional view；
Fig. 5 is the axial schematic cross-sectional view of clamp and connector in the case where locking mated condition；
Fig. 6 is the schematic diagram carried out when blood vessel strips off using the present invention；
Wherein: 1, traction rope；2,2 ' connector；20, inner cavity；3, clamp；30, ontology；4, gap；5, raised；31, it assembles
Hole；31a, leading portion；31b, interlude；31c, back segment；32, first step；33, second step；34, open slot；35, it is recessed；
6, lever；7, blood vessel.
Specific embodiment
Technical solution of the present invention is further elaborated with reference to the accompanying drawings and detailed description.
As shown in Fig. 1, blood vessel of the invention strips off device and includes traction rope 1, is respectively arranged in connecing for 1 both ends of traction rope
First 2,2 ', clamp 3 and lever 6.The connector 2,2 ' of clamp 3 and lever 6 respectively with 1 both ends of traction rope removably connects
It connects.Defining 6 place side of lever in figure is rear, and 3 place side of clamp is front.As shown in figs. 1 and 4, connector 2,2 ' for
The cylindricality of inner cavity 20, open at one end, the other end closing of inner cavity 20, traction rope 1 from open end protrude into inner cavity 20 and it is fixed wherein.
Connector 2,2 ' becomes larger from its open end towards closed end diameter, forms conical outer surface.
As shown in Figures 2 to 4, clamp 3 includes collet body 30, which has the assembly for penetrating through its rear and front end
Hole 31 is sequentially formed with first step 32, second step 33 on the inner wall of pilot hole 31 from back to front, this two steps will assemble
Hole 31 is divided into three sections, is then successively defined as leading portion 31a, interlude 31b and back segment 31c from preceding, wherein interlude 31b's is interior
Wall has taper identical with connector 2, can form tight fit therebetween.The diameter of leading portion 31a is straight greater than interlude 31b's
The outer diameter of diameter and connector 2 is formed with gap 4 between the inner wall of the leading portion 31a of pilot hole 31 and the outer peripheral surface of connector 2, between being somebody's turn to do
Gap 4 plays the role of clamping blood vessel to realize automatic ligation.
In use, the rear end part of the connector 2 of 1 front end of traction rope is mounted in pilot hole 31, and its rear end and first
Step 32 offsets clamping and cannot move backward, meanwhile, the tool of the interlude 31b of the conical outer surface and pilot hole 31 of connector 2
Cooperate clamping between tapered inner wall, realization connector 2 is reliably connected with clamp 3.Power thrusts when due to using be to
Traction rope 1 is pulled afterwards, and therefore, the cooperation between connector 2 and clamp 3 is very secured always, will not be de- there is a situation where taking out.Meanwhile
During connecting connector 2 with clamp 3, the gap 4 between connector 2 and clamp 3 can clamp blood vessel 7 and realize automatic ligation,
As shown in Figure 6.
Further, collet body 30 is provided with the open slot 34 being connected to pilot hole 31 along its length, convenient for leading
Messenger 1 passes through and enters in pilot hole 31, protrusion 5 is formed on the side wall of open slot 34, it is ensured that use in use
When power pulls traction rope 1, traction rope 1 will not skid off pilot hole 31 from open slot 34.
Further, the front end of collet body 30 is formed with recess 35, convenient for being convenient to clamping chuck 3 if necessary.
In the use of the present invention, traction rope 1 and its connector of front end 2 are inserted into great saphenous vein by doctor, driving in the wrong direction, it is quiet to enter
Arteries and veins trunk, and being pierced by from by resistance part wound, at this time 7 sets of blood vessel on traction rope 1 and connector 2, will first be cased with the traction rope of blood vessel 7
1 is entered in pilot hole 31 by open slot 34, then lever 6 is fixed on the connector 2 ' of rear end of traction rope 1.Firmly to
Traction rope 1 is pulled afterwards, and connector 2 enters under the active force of traction rope 1 in the pilot hole 31 of collet body 30 at this time, until thereafter
End arrives to and cannot continue to move back on first step 31, i.e., completion connector 2 and collet body 30 is self-locking.See Fig. 6, connector 2 with
In the auto-lock process of collet body 30, the blood vessel 7 outside connector 2 is clamped by gap 4, realizes ligation.At this point, continuing firmly to pull
Messenger 1 is extracted out together with blood vessel 7 being stripped off device with blood vessel, and great saphenous vein can be completed and take out stripping.
To sum up, using the present invention, operation is very easy, the operation of the ligation blood vessel of doctor can be save, from operation method
Fixed blood vessel can be improved working efficiency instead of the method for fixing blood vessel in traditional operation, improve security performance, shorten hand
The art time, mitigate Principle of Pain, and blood vessel of the invention strip off device and its clamp structure be simple and convenient to operate, producer
Just, at low cost, there is good potential applicability in clinical practice.
The present invention is described in detail above, its object is to allow the personage for being familiar with this field technology that can understand this
The content of invention is simultaneously implemented, and it is not intended to limit the scope of the present invention, and the present invention is not limited to above-mentioned implementations
, equivalent change or modification made by all Spirit Essences according to the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of blood vessel strips off the clamp of device, the blood vessel strips off device and includes traction rope (1), is respectively arranged in described lead
Connector (2) on connector (2,2 ') on messenger (1) rear and front end, the clamp (3) and the traction rope (1) front end is detachable
Ground connection, the clamp (3) includes collet body (30), and the collet body (30), which has, penetrates through ontology (30) front and back two
The pilot hole (31) at end, it is characterised in that: first step (32) are formed on the inner wall of the pilot hole (31), in use,
Connector (2) on described traction rope (1) front end is partially or entirely received in the pilot hole (31), and end and institute thereafter
The first step (32) stated offset clamping realize it is self-locking, between the inner wall and the connector (2) of the pilot hole (31)
It is also formed with the gap (4) being in communication with the outside to clamp blood vessel, is located at described first on the inner wall of the pilot hole (31)
It is formed on front side of step (32) second step (33), the first step (32) and second step (33) are by the pilot hole
(31) it is divided into leading portion (31a), interlude (31b) and back segment (31c), the diameter of the leading portion (31a) is greater than the connector
(2) outer diameter forms the gap (4) between the inner wall of the leading portion (31a) and the outer peripheral surface of the connector (2)；
The inner cavity of connector (2), the interlude (31b) on traction rope (1) front end be in from front to back diameter it is gradually smaller
Taper, in use, the inner wall surface of the outer peripheral surface of the connector (2) on the traction rope (1) front end and the interlude (31b)
Match clamping.
2. the clamp that blood vessel according to claim 1 strips off device, it is characterised in that: on the front end of the traction rope (1)
Connector (2) be partially installed in the pilot hole (31), pilot hole (31) setting is stretched out in front end.
3. the clamp that blood vessel according to claim 1 strips off device, it is characterised in that: the collet body (30) is along it
Length direction is provided with the open slot (34) being connected to the pilot hole (31).
4. the clamp that blood vessel according to claim 3 strips off device, it is characterised in that: formed on the side wall of the open slot
There are raised (5).
5. the clamp that blood vessel according to claim 1 strips off device, it is characterised in that: before the collet body (30)
Side external surface is formed with recess (35).
6. the clamp that blood vessel according to claim 1 strips off device, it is characterised in that: the material of the clamp is stainless
Steel, nylon, polyformaldehyde, polypropylene, polyethylene, styrene-acrylonitrile-butadiene block copolymer, polycarbonate, acrylic or
Polyethylene terephthalate.
7. a kind of blood vessel strips off device, including traction rope (1), it is respectively arranged in connecing on described traction rope (1) rear and front end
Head (2,2 '), the lever (6) detachably connected with the connector (2 ') on described traction rope (1) rear end, it is characterised in that:
It further includes the clamp (3) as described in any one of claims 1 to 6 claim that the blood vessel, which strips off device,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723242.2A CN106137281B (en) | 2016-08-25 | 2016-08-25 | A kind of blood vessel strips off device and its clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723242.2A CN106137281B (en) | 2016-08-25 | 2016-08-25 | A kind of blood vessel strips off device and its clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106137281A CN106137281A (en) | 2016-11-23 |
| CN106137281B true CN106137281B (en) | 2019-08-06 |
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ID=57343526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610723242.2A Active CN106137281B (en) | 2016-08-25 | 2016-08-25 | A kind of blood vessel strips off device and its clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106137281B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254394A (en) * | 2018-10-24 | 2019-01-22 | 深圳市古安泰自动化技术有限公司 | Endoscopic system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206102680U (en) * | 2016-08-25 | 2017-04-19 | 苏州天鸿盛捷医疗器械有限公司 | Blood vessel strips off device and dop thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3659606A (en) * | 1970-02-19 | 1972-05-02 | Codman & Shurtleff | Vein stripping instrument |
| FR2678338B1 (en) * | 1991-06-28 | 1993-09-17 | Ruffie Patrick | DEVICE FOR SOLIDARIZING TWO ELONGATE ELEMENTS SUCH AS CABLES, WIRES, TUBING, ESPECIALLY WITH A VIEW TO DRIVING EACH OTHER. |
| JPWO2004021891A1 (en) * | 2002-09-09 | 2005-12-22 | 淳一 二宮 | Stripping wire and stripping catheter for removing veins |
| CN202960611U (en) * | 2012-09-07 | 2013-06-05 | 苏州爱瑞德医疗科技有限公司 | Novel introversion-prevention clamping head for great saphenous vein stripping device |
| CN204410925U (en) * | 2014-12-31 | 2015-06-24 | 吴鼎 | Great saphenous vein is with stripping off pipe guide |
| CN204890060U (en) * | 2015-08-13 | 2015-12-23 | 雷锋锐 | Great saphenous vein takes out great saphenous vein who shells ware dop device and use it and takes out and shell ware |
| CN204995520U (en) * | 2015-09-28 | 2016-01-27 | 苏州爱瑞德医疗科技有限公司 | Great saphenous vein strips off auto -lock dop device of pipe |
-
2016
- 2016-08-25 CN CN201610723242.2A patent/CN106137281B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206102680U (en) * | 2016-08-25 | 2017-04-19 | 苏州天鸿盛捷医疗器械有限公司 | Blood vessel strips off device and dop thereof |
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| CN106137281A (en) | 2016-11-23 |
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Address after: Rooms 202, 501, and 502, Building 7, No. 188 Fuchunjiang Road, High tech Zone, Suzhou City, Jiangsu Province, 215000 Patentee after: SUZHOU VENMED TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 215163 South 2nd Floor, Building 11, No. 8, Jinfeng Road, Science and Technology City, Suzhou Hi tech Zone, Jiangsu Province Patentee before: SUZHOU VENMED TECHNOLOGY Co.,Ltd. Country or region before: China |
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