CN108670322B - Vein stripping catheter - Google Patents
Vein stripping catheter Download PDFInfo
- Publication number
- CN108670322B CN108670322B CN201810588010.XA CN201810588010A CN108670322B CN 108670322 B CN108670322 B CN 108670322B CN 201810588010 A CN201810588010 A CN 201810588010A CN 108670322 B CN108670322 B CN 108670322B
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- steel pipe
- handle
- pull ring
- ring
- vein
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- 210000003462 vein Anatomy 0.000 title claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 92
- 239000010959 steel Substances 0.000 claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000003814 drug Substances 0.000 claims abstract description 4
- 229940079593 drug Drugs 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 206010002091 Anaesthesia Diseases 0.000 abstract description 3
- 230000037005 anaesthesia Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 241000469816 Varus Species 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 241001227561 Valgus Species 0.000 abstract 1
- 210000003752 saphenous vein Anatomy 0.000 description 7
- 210000004204 blood vessel Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003444 anaesthetic effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000036407 pain Effects 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- 206010052428 Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000000709 aorta Anatomy 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010011086 Coronary artery occlusion Diseases 0.000 description 1
- 208000018262 Peripheral vascular disease Diseases 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 206010046996 Varicose vein Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000031225 myocardial ischemia Diseases 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 208000027185 varicose disease Diseases 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 invention discloses a vein stripping catheter which comprises a steel pipe for removing veins and a handle connected with the rear end of the steel pipe, wherein the front end of the steel pipe is provided with a horn flaring, the front end of the horn flaring is provided with a cutting edge, the rear part of the horn flaring is provided with a round rectangular hole on the pipe wall of the steel pipe, the outer side of the narrow opening of the horn flaring is sleeved with an annular cutter, the inner cavity of the steel pipe is provided with a traction mechanism which is connected with the annular cutter and enables the annular cutter to move, the rear end of the handle is provided with a ring groove, a pull ring is sleeved along the ring groove, the pull ring is connected with the traction mechanism, and the annular cutter is driven to move by the pull ring; the inner cavity of the steel tube is provided with a slender hose which is communicated with the injector interface and is used for injecting medicines in operation; the steel pipe comprises a hard steel pipe section which is not flexible and a soft steel pipe section which is flexible. The invention integrates stripping, anesthesia and cutting into a whole, is convenient to operate, not only solves the defects of great damage to the body and long operation time of the existing varus stripping technology, but also solves the problem of limited stripping range in the existing valgus stripping technology.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to an appliance for vein stripping in a human body.
Background
Varicose veins are one of the most common peripheral vascular diseases, which are mainly found in the great saphenous vein and/or the small saphenous vein of the lower limb, and the classical treatment method is to ligate the root of the great saphenous vein at a high position and perform stripping operation treatment on the great saphenous vein and the curved vein Zhang Fenzhi thereof, wherein the used instrument is a thin steel wire with two ends in a semi-oval shape, and the distal end and the proximal end of the great saphenous vein of the limb are exposed and cut off, the guide head is penetrated from the distal end to the proximal end of the vein to be stripped, led out, and then pulled out slowly, and the great saphenous vein is stripped by the inversion of the guide head. In addition, in coronary bypass surgery, it is often necessary to take the great saphenous vein or other blood vessel located in the leg, bypass between the aorta and the distal end of the coronary artery occlusion lesion, and supply the blood of the aorta to the distal end of the coronary artery through the transplanted blood vessel to restore the blood supply to the corresponding myocardium, thereby improving the myocardial ischemia state.
In the pushing process, the vein valve, the lesion blood vessel and other barriers and the large-angle blood vessel curved path can cause unsmooth insertion, the pushing can not be continued, the incision can not be carried out continuously, the same operation process is repeated for a plurality of times, and the pain of a patient, the labor intensity of a doctor and the operation time are increased.
Accordingly, those skilled in the art have focused on developing a medical device for vein stripping that can be advanced with a convenient bend direction change.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention aims to solve the problem that the current vein stripping catheter cannot handle large-angle bend pushing.
In order to achieve the above object, the present invention provides a vein stripping catheter comprising a steel tube for removing veins and a handle connected to the rear end of the steel tube, wherein,
The front end of the steel pipe is provided with a flaring of the horn so as to separate veins, the front end of the flaring of the horn is provided with a cutting edge, and the rear part of the flaring of the horn is provided with a round rectangular hole on the pipe wall of the steel pipe for drawing and passing veins;
an annular cutter is sleeved outside the narrow opening of the flaring of the horn, the annular cutter can slide along the outer edge of the steel pipe to cut off veins drawn out from the rectangular hole with the round angle, and a traction mechanism which is connected with the annular cutter and enables the annular cutter to move is arranged in the inner cavity of the steel pipe;
The rear end of the handle is provided with a ring groove, the ring groove extends from the outer wall of the handle to the rear end face of the handle, a pull ring is sleeved along the ring groove, the pull ring is connected with a traction mechanism, and the annular cutter is driven to move towards the round-angle rectangular hole by sliding the pull ring towards the rear side of the handle;
An elongated hose is arranged at the axis of the inner cavity of the steel tube, extends from the rear end of the handle to the rear part of the round rectangular hole, is communicated with the injector interface and is used for injecting medicines in operation;
the steel pipe comprises a hard steel pipe section which is not flexible and a soft steel pipe section which is flexible, wherein the hard steel pipe section is connected with the front end of the handle, and the soft steel pipe section is positioned between the flaring of the horn and the hard steel pipe section.
Further, a plurality of grooves are formed in the pipe wall section from the narrow opening of the flaring of the horn to the rear part of the round rectangular hole of the steel pipe, the traction mechanism comprises a plurality of steel wires, the steel wires are located between the steel pipe and the hose, and each steel wire passes through the inner cavities of the handle and the steel pipe from the inner wall of the pull ring and penetrates through the grooves of the steel pipe so as to be connected with the annular cutter.
Further, the soft segment of steel pipe is made by cutting steel pipe with cutting voids including but not limited to continuous spiral cutting voids or cutting voids with opposite sides staggered.
Further, the pull ring comprises a sleeve part with the front end sleeved outside the annular groove of the handle and a ring part with the rear end connected with the sleeve, the sleeve part slides along the annular groove, and the front end of the sleeve part is blocked by the step surface of the annular groove.
Further, the rear part of the pull ring is blocked and limited by the pull ring safety, the pull ring safety is of a round plug structure with a limiting ring, the radius of the round plug at the front end of the pull ring safety is equal to the inner diameter of the inner cavity of the handle so as to be plugged into the tail part of the handle, and the outer diameter of the limiting ring at the rear end of the pull ring safety is larger than the inner diameter of the ring part of the pull ring so as to limit the ring part, thereby preventing the pull ring from automatically separating backwards.
Further, the rear end of the handle is provided with an injector interface which is communicated with the hose, the injector interface penetrates through the rear end of the pull ring safety, stretches into the inner cavity of the handle to be connected with the hose, and exposes a section of injection tube head at the rear part of the pull ring safety for injection.
Further, the inner diameter of the steel tube is larger than the diameter of the vein to be stripped.
Further, the handle, the pull ring and the pull ring safety are made of medical plastic.
The vein stripping catheter integrates stripping, anesthesia and cutting, is convenient to operate, only needs to cut a small opening on the skin, is designed with a soft section of the steel tube, can flexibly adapt to direction change when encountering a bending part during subcutaneous pushing, does not need to open a cut again for diversion, has less pain and small wound caused by operation, and shortens the operation time.
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
Drawings
Fig. 1 is a schematic view (one) of the external appearance of an embodiment of the vein stripping catheter of the present invention.
FIG. 2 is a schematic view showing the external appearance of an embodiment of a vein stripping catheter according to the present invention (II)
In the figure, the flaring of the horn is 1, the annular cutter is 2, the rectangular hole with the round angle is 3, the slotting is 4, the soft section of the steel pipe is 5, the steel wire is 6, the soft pipe is 7, the hard section of the steel pipe is 8, the handle is 9, the pull ring is 10, the sleeve part is 101, the ring part is 102, the pull ring safety is 11, the limiting ring is 111, the injector interface is 12, and the ring groove is 13.
Detailed Description
Fig. 1 and 2 show a schematic structure of a vein stripping catheter according to the present invention, which includes a steel tube for removing veins and a handle 9 connected to the rear end of the steel tube, wherein the handle 9 and the steel tube may be screw-connected, bonded, or otherwise. The inner diameter of the steel pipe is larger than the diameter of a vein to be stripped, a flaring 1 of a horn is arranged at the front end of the steel pipe so as to separate the vein, a cutting edge is arranged at the front end of the flaring 1 of the horn, and a rectangular hole 3 with a round angle is formed in the wall of the steel pipe at the rear part of the flaring 1 of the horn and is used for drawing out and passing the vein; the annular cutter 2 is sleeved outside the narrow opening of the flaring 1 of the horn, the annular cutter 2 can slide along the outer edge of the steel pipe to cut off veins drawn out from the round-corner rectangular hole 3, and a traction mechanism which is connected with the annular cutter 2 and enables the annular cutter 2 to move is arranged in the inner cavity of the steel pipe.
In this embodiment, the forward and backward directions are immediately referred to the actual movement direction, and the forward direction of the vein stripping catheter is regarded as the forward direction of the present invention.
The rear end of handle 9 is equipped with annular groove 13, annular groove 13 extends to the rear end face of handle 9 from the outer wall of handle 9, be equipped with pull ring 10 along annular groove 13 cover, pull ring 10 links to each other with traction mechanism, thereby through sliding pull ring 10 to handle 9 rear side and drive annular cutter 2 to round corner rectangular hole 3 direction motion, be equipped with a plurality of flutings 4 on the pipe wall section from the narrow mouth of loudspeaker flaring 1 to round corner rectangular hole 3 rear portion on the steel pipe, traction mechanism includes a plurality of steel wires 6, steel wire 6 is located between steel pipe and hose 7, the clearance width of fluting 4 is greater than the diameter of steel wire 6, thereby make each steel wire 6 pass through the fluting 4 of steel pipe from pull ring 10 inner wall through handle 9 and steel pipe and be connected with annular cutter 2. When external force pulls the steel wire 6, the steel wire 6 pulls the annular cutter 2 to retreat, the cutting edge of the annular cutter 2 moves towards the round-corner rectangular hole 3 and towards the round-corner rectangular hole 3, the groove 4 on the steel tube limits the movement range of the annular cutter 2, the tail end of the groove 4 is generally more backward than the round-corner rectangular hole 3, and thus the action range of the cutting edge can cover any direction on the round-corner rectangular hole 3, and the annular cutter 2 can be pulled to move later to cut as long as veins are drawn out of the round-corner rectangular hole 3.
An elongated hose 7 is provided at the axis of the inner cavity of the steel tube, the hose 7 extending from the rear end of the handle 9 to the rear of the rounded rectangular hole 3, the hose 7 being in communication with a syringe interface 12 for intra-operative injection of medication. The injector interface 12 is positioned at the rear end of the handle 9, the injector interface 12 passes through the rear end of the pull ring safety 11, stretches into the inner cavity of the handle 9 to be connected with the hose 7, and exposes a section of injection tube head at the rear part of the pull ring safety 11 for injection.
The steel pipe comprises a hard steel pipe section 8 which is not flexible and a soft steel pipe section 5 which is flexible, wherein the hard steel pipe section 8 is connected with the front end of a handle 9, and the soft steel pipe section 5 is positioned between the flaring 1 of the horn and the hard steel pipe section 8. The steel tube soft segment 5 is made of a steel tube through cutting, and is provided with cutting gaps, wherein the cutting gaps comprise but are not limited to continuous spiral cutting gaps or cutting gaps with two sides being staggered relatively (the cutting gaps enable the steel tube to form a snake neck shape), and a processed cutting surface is a blunt surface, so that the steel tube soft segment 5 can be freely bent, and the bent steel tube section is safer to contacted internal tissues and is not easy to damage.
The pull ring 10 comprises a sleeve part 101 with the front end sleeved outside the ring groove 13 of the handle and a ring part 102 with the rear end connected with the sleeve, wherein the ring part 102 forms a certain angle with the sleeve part 101 for holding by hands. The sleeve portion 101 slides along the annular groove 13, and the front end of the sleeve portion 101 is stopped by the step surface of the annular groove 13. The rear part of the pull ring 10 is blocked and limited by the pull ring safety 11, the pull ring safety 11 is of a round plug structure with a limiting ring 111, the radius of the round plug at the front end of the pull ring safety 11 is equal to the inner diameter of the inner cavity of the handle 9 so as to be plugged into the tail part of the handle 9, and the outer diameter of the limiting ring 111 at the rear end of the pull ring safety 11 is larger than the inner diameter of the ring part 102 of the pull ring so as to limit the ring part 102, thereby preventing the pull ring 10 from automatically separating backwards.
In the invention, the handle, the pull ring and the pull ring safety are made of medical plastic and are designed into a disposable instrument.
The working procedure of the vein stripping catheter is as follows:
before the operation starts, a doctor cuts a small opening on the skin surface at the upper part of the thigh of a patient to find out veins to be excised, cuts off the veins, pulls out the veins which are positioned in the lower direction after the veins are cut off to the head, uses a vein stripping catheter, and pulls out the head from a round-corner rectangular hole behind the flaring of the horn after passing through the flaring of the horn, and simultaneously keeps the head of the veins outside the body all the time; then, the vein stripping catheter stretches into the skin from the thigh incision, and is held and pushed forward to push along the vein to be resected, so that the vein to be resected is separated from surrounding tissues; during the period, the injector injects anesthetic into the injector interface at the tail part of the handle, the anesthetic is conveyed to the vein tearing position at the round rectangular hole through the hose to carry out local anesthesia, and the anesthetic is injected for 1-3 times according to the actual patient condition; when the vein stripping catheter reaches a preset position, the pull ring safety is pulled out firstly, then the pull ring is pulled backward by force, the annular cutter is retreated, and the cutting edge of the annular cutter cuts off the vein to be cut off; the vein stripping catheter is then withdrawn in reverse, along with the associated severed vein to be removed; finally, the skin incision on the thigh is sutured, and the operation is completed.
The invention has the following technical effects:
(1) The surgical incision is small, only a small opening is needed to be cut on the skin, the pain caused by the operation is less, the wound is small, and the problem that the existing varus stripping technology has great damage to the body is solved;
(2) The soft section of the steel tube is designed, the bent part of the vein stripping catheter can flexibly adapt to direction change when the vein stripping catheter is propelled subcutaneously, and the problem of limited stripping range in the existing eversion stripping operation is solved without cutting a notch and redirecting;
(3) Integrates stripping, anesthesia and cutting into a whole, has convenient operation, shortens the operation time and solves the defect of long operation time at present.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (6)
1. A vein stripping catheter comprising a steel tube for stripping veins and a handle connected to the rear end of the steel tube, characterized in that: the front end of the steel pipe is provided with a flaring of the horn so as to separate veins, the front end of the flaring of the horn is provided with a cutting edge, and the rear part of the flaring of the horn is provided with a round rectangular hole on the pipe wall of the steel pipe for drawing and passing veins; an annular cutter is sleeved outside the narrow opening of the flaring of the horn, the annular cutter can slide along the outer edge of the steel pipe to cut off veins drawn out from the rectangular hole with the round angle, and a traction mechanism which is connected with the annular cutter and enables the annular cutter to move is arranged in the inner cavity of the steel pipe; the rear end of the handle is provided with a ring groove, the ring groove extends from the outer wall of the handle to the rear end face of the handle, a pull ring is sleeved along the ring groove, the pull ring is connected with a traction mechanism, and the annular cutter is driven to move towards the round-angle rectangular hole by sliding the pull ring towards the rear side of the handle; an elongated hose is arranged at the axis of the inner cavity of the steel tube, extends from the rear end of the handle to the rear part of the round rectangular hole, is communicated with the injector interface and is used for injecting medicines in operation; the steel pipe comprises a hard steel pipe section which is not flexible and a soft steel pipe section which is flexible, wherein the hard steel pipe section is connected with the front end of the handle, the soft steel pipe section is positioned between the flaring of the horn and the hard steel pipe section, a plurality of grooves are formed in the pipe wall section from the narrow opening of the flaring of the horn to the rear part of the rectangular round-angle hole of the steel pipe, the traction mechanism comprises a plurality of steel wires, the steel wires are positioned between the steel pipe and the hose, each steel wire passes through the inner cavity of the handle and the steel pipe from the inner wall of the pull ring and penetrates through the grooves of the steel pipe to be connected with the annular cutter, the soft steel pipe section is formed by cutting the steel pipe, and the cutting gaps comprise but are not limited to continuous spiral cutting gaps or cutting gaps with two sides being staggered relatively.
2. The vein stripping catheter as recited in claim 1, wherein the pull ring comprises a sleeve portion having a front end sleeved outside the ring groove of the handle and a ring portion having a rear end connected to the sleeve, the sleeve portion sliding along the ring groove, the front end of the sleeve portion being blocked by the stepped surface of the ring groove.
3. The vein stripping catheter as recited in claim 2, wherein the rear portion of the pull ring is blocked and restrained by a pull ring safety, the pull ring safety is a round plug structure with a retainer ring, the round plug radius of the front end of the pull ring safety is equivalent to the inner diameter of the inner cavity of the handle so as to plug into the tail of the handle, and the outer diameter of the retainer ring of the rear end of the pull ring safety is larger than the inner diameter of the ring part of the pull ring so as to limit the ring part, thereby preventing the pull ring from automatically separating backward.
4. A vein stripping catheter as claimed in claim 3, wherein the rear end of the handle is provided with a syringe interface in communication with the hose, the syringe interface passing through the rear end of the pull ring guard, extending into the interior cavity of the handle to connect with the hose, and exposing a section of syringe tip at the rear of the pull ring guard for injection.
5. The vein-stripping catheter as set forth in claim 4, wherein the inner diameter of the steel tube is greater than the diameter of the vein to be stripped.
6. The vein-stripping catheter as recited in claim 5, wherein the handle, tab, and tab safety are formed of a medical grade plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810588010.XA CN108670322B (en) | 2018-06-08 | 2018-06-08 | Vein stripping catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810588010.XA CN108670322B (en) | 2018-06-08 | 2018-06-08 | Vein stripping catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108670322A CN108670322A (en) | 2018-10-19 |
| CN108670322B true CN108670322B (en) | 2024-05-17 |
Family
ID=63810388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810588010.XA Active CN108670322B (en) | 2018-06-08 | 2018-06-08 | Vein stripping catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108670322B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267758B1 (en) * | 1994-01-18 | 2001-07-31 | Esc Medical Systems Ltd. | Apparatus for in situ saphenous vein bypass and less-invasive varicose vein treatment |
| CN2735942Y (en) * | 2004-10-26 | 2005-10-26 | 孙波 | Device for treating varicose vein |
| CN201101549Y (en) * | 2007-11-23 | 2008-08-20 | 贺西麦·麦杰莱斯 | Vein cutter |
| WO2011163322A1 (en) * | 2010-06-22 | 2011-12-29 | Lemaitre Vascular, Inc. | Over-the-wire valvulotomes |
| WO2013095745A1 (en) * | 2011-12-19 | 2013-06-27 | Heshmat Majlessi | Veno-merse/harvester device |
| CN204072235U (en) * | 2014-09-01 | 2015-01-07 | 江苏博朗森思医疗器械有限公司 | Varicosis invasive surgery resectoscope used |
| CN208926448U (en) * | 2018-06-08 | 2019-06-04 | 宁波市鄞州钦华企业管理咨询有限公司 | Vein stripping conduit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7632289B2 (en) * | 2005-10-31 | 2009-12-15 | Heshmat Majlessi | Harvester |
-
2018
- 2018-06-08 CN CN201810588010.XA patent/CN108670322B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267758B1 (en) * | 1994-01-18 | 2001-07-31 | Esc Medical Systems Ltd. | Apparatus for in situ saphenous vein bypass and less-invasive varicose vein treatment |
| CN2735942Y (en) * | 2004-10-26 | 2005-10-26 | 孙波 | Device for treating varicose vein |
| CN201101549Y (en) * | 2007-11-23 | 2008-08-20 | 贺西麦·麦杰莱斯 | Vein cutter |
| WO2011163322A1 (en) * | 2010-06-22 | 2011-12-29 | Lemaitre Vascular, Inc. | Over-the-wire valvulotomes |
| WO2013095745A1 (en) * | 2011-12-19 | 2013-06-27 | Heshmat Majlessi | Veno-merse/harvester device |
| CN204072235U (en) * | 2014-09-01 | 2015-01-07 | 江苏博朗森思医疗器械有限公司 | Varicosis invasive surgery resectoscope used |
| CN208926448U (en) * | 2018-06-08 | 2019-06-04 | 宁波市鄞州钦华企业管理咨询有限公司 | Vein stripping conduit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108670322A (en) | 2018-10-19 |
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Effective date of registration: 20210224 Address after: 315000 room 1202, building g, 959 Chengxin Road, Panhuo street, Yinzhou District, Ningbo City, Zhejiang Province Applicant after: Ningbo Huaren Medical Technology Co.,Ltd. Address before: Room 1509, No.11, building 4, Kaixuan tomorrow, Zhonghe street, Yinzhou District, Ningbo City, Zhejiang Province, 315100 Applicant before: NINGBO YINZHOU QINHUA ENTERPRISE MANAGEMENT CONSULTING Co.,Ltd. |
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