CN106943176A - Double-jacket tube knife Harvesting of Great Saphenous Vein device - Google Patents
Double-jacket tube knife Harvesting of Great Saphenous Vein device Download PDFInfo
- Publication number
- CN106943176A CN106943176A CN201710297596.XA CN201710297596A CN106943176A CN 106943176 A CN106943176 A CN 106943176A CN 201710297596 A CN201710297596 A CN 201710297596A CN 106943176 A CN106943176 A CN 106943176A
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- China
- Prior art keywords
- inner cutter
- gear
- outer cut
- tail end
- rotary shaft
- 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.)
- Pending
Links
- 210000003752 saphenous vein Anatomy 0.000 title claims abstract description 19
- 238000003306 harvesting Methods 0.000 title claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 210000003462 vein Anatomy 0.000 description 10
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 206010052428 Wound Diseases 0.000 description 6
- 210000004204 blood vessel Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 210000004351 coronary vessel Anatomy 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 206010053692 Wound complication Diseases 0.000 description 1
- 206010048038 Wound infection Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 206010025226 lymphangitis Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000036362 sensorimotor function Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 210000001519 tissue 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, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
- A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
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)
- Orthopedic Medicine & Surgery (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 proposes a kind of double-jacket tube knife Harvesting of Great Saphenous Vein device, and inner cutter is in outer cut, and protection sleeve pipe is in inner cutter；Inner cutter tail end and inner cutter gear are located at outside outer cut tail end, and protection cannula end is located at outside inner cutter tail end；Outer cut tail end, outer cut gear, inner cutter tail end and inner cutter gear are placed in gearbox, and outer cut head end extends on front side of gearbox, and protection cannula end extends on rear side of gearbox；The first rotary shaft and the second rotary shaft are set in gearbox；Set in first rotary shaft and set inner cutter tumbler gear in outer cut drive gear and inner cutter drive gear, the second rotary shaft；Outer cut drive gear is engaged with outer cut gear；Inner cutter drive gear is engaged with inner cutter tumbler gear, and inner cutter tumbler gear is engaged with inner cutter gear；Drive device is connected with the first rotary shaft.The present invention is with low cost, and simple to operate, wound is small, and the used time is short.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically a kind of double-jacket tube knife Harvesting of Great Saphenous Vein device.
Background technology
In clinical medicine, anesthesia about coronary artery bypass grafting (off pump coronary artery bypass) need to gather one section of vein with patient and (be typically
Great saphenous vein-Saphenous vein, SV) it is used as the blood vessel of bridging, it is desirable to and the blood vessel gathered must not completely will be damaged
Wound, to ensure the success rate of anesthesia about coronary artery bypass grafting.
At present, most of coronary bypass surgeries still obtain great saphenous vein using OVH methods, and this kind of method needs whole cut to suffer from
Skin, hypodermis and the manadesma of person's bridge blood vessel surface, will inevitably cut off blood vessel, nervus cutaneus and superficial above it and drench
Hand shaft, incisional wound is big, and postoperative patient wound pain is obvious, wound infection, local sensorimotor function obstacle, lymphatic vessel
Inflammation, lower extremity swelling and distension, liquefaction of fat, the incidence of complications such as split are high, the recovering process of patient are influenceed, when extension is in hospital
Between, increase Hospitalization expenses.
The technology that great saphenous vein is gathered using scope is occurred in that in recent years, and this technology is compared with OVH methods, though damage is relative
Reduce, but still there is very important damage.This technology needs the expensive endoscopic system of special configuration and disposable
" separator " and " collector " used, expensive, equipment complexity, and operator need special training to grasp this
System, operation sequence is complicated, and with duration, average every blood vessel acquisition time is needed more than 30-40 minutes.
Therefore, the art still without a kind of wound is not small, device structure simple, low cost, easy grasp simple to operate, use
When few and effect it is good, doctor and patient all satisfied Harvesting of Great Saphenous Vein systems/devices are used for clinic.
The content of the invention
The present invention proposes a kind of double-jacket tube knife Harvesting of Great Saphenous Vein device, and double cutting edge mutually opposing rotation during work is solved
Venous collection mode wound of the prior art is big, complication rate is high, costly, complex operation, the problems such as use duration.
The technical proposal of the invention is realized in this way：
A kind of double-jacket tube knife Harvesting of Great Saphenous Vein device, including outer cut, inner cutter, protection sleeve pipe, gearbox and driving
Device；
The outer cut includes a hollow outer cut body, and the head end of the outer cut body is provided with outside blade, institute
The tail end for stating outer cut body is provided with outer cut gear；
The inner cutter includes a hollow inner cutter body, and the head end of the inner cutter body is provided with inscribe blade, institute
The tail end for stating inner cutter body is provided with inner cutter gear；
The protection sleeve pipe is hollow body；
The inner cutter is arranged in inside the outer cut, and the protection sleeve pipe is arranged in inside the inner cutter；It is described
The outer rim alignment of the head end of the outer rim of outside blade, the outer rim of the inscribe blade and the protection sleeve pipe；The inner cutter
Tail end and inner cutter gear are located at the outside of the tail end of the outer cut, and the tail end of the protection sleeve pipe is located at the inner cutter
The outside of tail end；
Tail end, outer cut gear, the tail end of inner cutter and the inner cutter gear of the outer cut are placed in the gearbox
Interior, the head end of the outer cut extends the front side of the gearbox, and the tail end of the protection sleeve pipe extends the gearbox
Rear side；
First rotary shaft and second rotary shaft parallel with the outer cut are provided with the gearbox；Described first rotates
It is provided with axle in outer cut drive gear and inner cutter drive gear, second rotary shaft and is provided with inner cutter commutating tooth
Wheel；The outer cut drive gear is engaged with the outer cut gear；The inner cutter drive gear commutates with the inner cutter
Gear is engaged, and the inner cutter tumbler gear is engaged with the inner cutter gear；
The drive device is connected with first rotary shaft.
Further, the outside blade and inscribe blade are waveform or zigzag.
Further, the drive device is cutting turn handle.
Further, the drive device is motor, and the motor is placed in handle inner, and the handle becomes located at described
The rear end of fast case；
The tail end of the protection sleeve pipe extends the rear side of the handle.
Further, battery is provided with the handle, the handle surfaces are provided with switch, the battery, switch and electricity
Machine is cascaded.
Further, the handle surfaces are provided with switch, the switch and motor and the power supply positioned at the handle outer
Plug is cascaded.
Further, clutch shaft bearing is provided between the outer cut and the gear-box.
Further, second bearing is provided between the two ends of first rotary shaft and the gear-box.
Beneficial effects of the present invention are：
The mutually opposing rotation of double cutting edge, structure when the characteristics of double-jacket tube knife Harvesting of Great Saphenous Vein device of the present invention is work
Simply, it is reasonable in design, it is with low cost；It is simple to operate, it is easy to grasp；Wound for patient is small, safe；Venous collection is used
When short, average every blood vessel acquisition time 2-3 minute, the used time is only the 1/10 of endoscope acquisition system best at present, raising
Procedure efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the structural representation of the embodiment of the present invention two；
Fig. 3 is the structural representation of the embodiment of the present invention three；
Fig. 4 is the structural representation of gear-box internal drive feature；
Fig. 5 is the structural representation of outer cut；
Fig. 6 is the structural representation of inner cutter；
Fig. 7 is the structural representation for protecting sleeve pipe.
Wherein：
1st, sleeve pipe is protected；2nd, gearbox；3rd, outer cut body；4th, outside blade；5th, outer cut gear；6th, inner cutter pipe
Body；7th, inscribe blade；8th, inner cutter gear；9th, clutch shaft bearing；10th, the first rotary shaft；11st, the second rotary shaft；12nd, the second axle
Hold；13rd, outer cut drive gear；14th, inner cutter drive gear；15th, inner cutter tumbler gear；16th, motor；17th, handle；18、
Battery；19th, switch；20th, attaching plug；21st, turn handle is cut.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
As shown in Fig. 1, Fig. 4-Fig. 7, the double-jacket tube knife Harvesting of Great Saphenous Vein device in the present embodiment, including it is outer cut, interior
Cutting knife, protection sleeve pipe 1, gearbox 2 and drive device.Referring to Fig. 5, the outer cut includes a hollow outer cut body 3, institute
The head end for stating outer cut body 3 is provided with outside blade 4, and the tail end of the outer cut body 3 is provided with outer cut gear 5；Referring to figure
6, the inner cutter includes a hollow inner cutter body 6, and the head end of the inner cutter body 6 is provided with inscribe blade 7, described interior
The tail end of cutting knife body 6 is provided with inner cutter gear 8；In the present embodiment, the outside blade 4 and inscribe blade 7 are waveform, real
Zigzag can also be used in the application of border；Waveform or zigzag blade can improve the efficiency of cutting collection vein.Referring to
Fig. 7, the protection sleeve pipe 1 is hollow body.
The inner cutter is arranged in inside the outer cut, and the protection sleeve pipe 1 is arranged in inside the inner cutter；It is described
The outer rim alignment of the head end of the outer rim of outside blade 4, the outer rim of the inscribe blade 7 and the protection sleeve pipe 1；The inner cutter
Tail end and inner cutter gear 8 be located at the outer cut tail end outside, the tail end of the protection sleeve pipe 1 is located at the inscribe
The outside of the tail end of knife.
Tail end, outer cut gear 5, the tail end of inner cutter and the inner cutter gear 8 of the outer cut are placed in the speed change
In case 2, the head end of the outer cut extends the front side of the gearbox 2, is provided between the outer cut and the gear-box
Clutch shaft bearing 9.The tail end of the protection sleeve pipe 1 extends the rear side of the gearbox 2.
Referring to Fig. 4, first rotary shaft 10 and second rotary shaft parallel with the outer cut are provided with the gearbox 2
11, second bearing 12 is provided between the two ends of first rotary shaft 10 and the gear-box；Set in first rotary shaft 10
It is equipped with outer cut drive gear 13 and inner cutter drive gear 14, second rotary shaft 11 and is provided with inner cutter tumbler gear
15；The outer cut drive gear 13 is engaged with the outer cut gear 5；The inner cutter drive gear 14 and the inner cutter
Tumbler gear 15 is engaged, and the inner cutter tumbler gear 15 is engaged with the inner cutter gear 8.
The drive device is connected with first rotary shaft 10.In the present embodiment, the drive device is motor 16, institute
State motor 16 to be placed in inside handle 17, the handle 17 is located at the rear end of the gearbox 2；Electricity is provided with the handle 17
Pond 18, the surface of handle 17 is cascaded provided with switch 19, the battery 18, switch 19 and motor 16.The protective case
The tail end of pipe 1 extends the rear side of the handle 17.
When the present embodiment works, skin is first cut at the two ends skin of vein to be taken and vein, remaining end vein is cut off
Ligation.Then guiding seal wire is inserted in vein to be taken, one end of seal wire is passed through by the inside of protection sleeve pipe 1, by the present embodiment
The vein broken ends of fractured bone that is cut off by side of blade end enter.Push switch 19, battery 18 is powered for motor 16, and motor 16 works, then
The first rotary shaft 10 is driven to rotate, outer cut drive gear 13 and the concomitant rotation of inner cutter drive gear 14；Outer cut sliding tooth
Wheel 13 drives outer cut gear 5 to rotate, and then drives outer cut to rotate so that outside blade 4 realizes cutting action；Inner cutter drives
Moving gear 14 drives inner cutter tumbler gear 15 to rotate, and inner cutter tumbler gear 15 drives inner cutter gear 8 to rotate, and then drives
Inner cutter is rotated so that inscribe blade 7 realizes cutting action.Due to being acted on by the commutation of inner cutter tumbler gear 15 so that
The rotation direction of inner cutter and outer cut is on the contrary, improve cutting efficiency, it is to avoid blade is stirred with tissue and twined.In order to further improve
Motor 16, can be designed as the working condition of rotating checker so that outer cut and inner cutter are all respective by cutting efficiency
Rotating checker, but the rotation direction of outer cut and inner cutter is remained and rotated backward.It is circumscribed with cutting process
Channeling direction of the knife along seal wire advances forward, and the vein being cut enters the inside of protection sleeve pipe 1 and pulled out from afterbody；
During advance, the injury for protecting sleeve pipe 1 to protect vein from blade.After the completion of cutting, cutter are together with seal wire one
And extracted out from entrance, wound hemostasis, operation is completed.
Embodiment 2
As shown in Fig. 2 the present embodiment and the structure of embodiment 1 are essentially identical, difference is to use external electrical in the present embodiment
Source substituting battery 18 of powering is powered.
In the present embodiment, the surface of handle 17 is provided with switch 19, and the switch 19 and motor 16 are with being located at the handle
Attaching plug 20 outside 17 is cascaded.Attaching plug 20 is plugged on externally fed socket when using, is motor 16
Power supply.
Other courses of work of the present embodiment are same as Example 1.
Embodiment 3
As shown in figure 3, the present embodiment and the structure of embodiment 1 are essentially identical, it in the present embodiment is on-electric knot that difference, which is,
Structure, using Manual structure.
I.e. in the present embodiment, the drive device is cutting turn handle 21.Operator rotates cutting turn handle manually
21 can drive the first rotary shaft 10 to rotate, and realize cutting.
Other courses of work of the present embodiment are same as Example 1.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modifications, equivalent substitutions and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. a kind of double-jacket tube knife Harvesting of Great Saphenous Vein device, it is characterised in that including outer cut, inner cutter, protection sleeve pipe, speed change
Case and drive device；
The outer cut includes a hollow outer cut body, and the head end of the outer cut body is provided with outside blade, described outer
The tail end of cutting knife body is provided with outer cut gear；
The inner cutter includes a hollow inner cutter body, and the head end of the inner cutter body is provided with inscribe blade, described interior
The tail end of cutting knife body is provided with inner cutter gear；
The protection sleeve pipe is hollow body；
The inner cutter is arranged in inside the outer cut, and the protection sleeve pipe is arranged in inside the inner cutter；It is described circumscribed
The outer rim alignment of the head end of the outer rim of blade, the outer rim of the inscribe blade and the protection sleeve pipe；The tail end of the inner cutter
It is located at the outside of the tail end of the outer cut with inner cutter gear, the tail end of the protection sleeve pipe is located at the tail end of the inner cutter
Outside；
Tail end, outer cut gear, the tail end of inner cutter and the inner cutter gear of the outer cut are placed in the gearbox, institute
The head end for stating outer cut extends the front side of the gearbox, and the tail end of the protection sleeve pipe extends after the gearbox
Side；
First rotary shaft and second rotary shaft parallel with the outer cut are provided with the gearbox；In first rotary shaft
It is provided with outer cut drive gear and inner cutter drive gear, second rotary shaft and is provided with inner cutter tumbler gear；Institute
Outer cut drive gear is stated to engage with the outer cut gear；The inner cutter drive gear is nibbled with the inner cutter tumbler gear
Close, the inner cutter tumbler gear is engaged with the inner cutter gear；
The drive device is connected with first rotary shaft.
2. double-jacket tube knife Harvesting of Great Saphenous Vein device as claimed in claim 1, it is characterised in that the outside blade and inscribe
Blade is waveform or zigzag.
3. double-jacket tube knife Harvesting of Great Saphenous Vein device as claimed in claim 2, it is characterised in that the drive device is cutting
Turn handle.
4. double-jacket tube knife Harvesting of Great Saphenous Vein device as claimed in claim 2, it is characterised in that the drive device is electricity
Machine, the motor is placed in handle inner, and the handle is located at the rear end of the gearbox；
The tail end of the protection sleeve pipe extends the rear side of the handle.
5. double-jacket tube knife Harvesting of Great Saphenous Vein device as claimed in claim 4, it is characterised in that be provided with electricity in the handle
Pond, the handle surfaces are provided with switch, and the battery, switch and motor are cascaded.
6. double-jacket tube knife Harvesting of Great Saphenous Vein device as claimed in claim 4, it is characterised in that the handle surfaces are provided with and opened
Close, the switch and motor are cascaded with the attaching plug positioned at the handle outer.
7. double-jacket tube knife Harvesting of Great Saphenous Vein device as claimed in any one of claims 1 to 6, it is characterised in that described circumscribed
Clutch shaft bearing is provided between knife and the gear-box.
8. double-jacket tube knife Harvesting of Great Saphenous Vein device as claimed in any one of claims 1 to 6, it is characterised in that described first
Second bearing is provided between the two ends of rotary shaft and the gear-box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710297596.XA CN106943176A (en) | 2017-04-28 | 2017-04-28 | Double-jacket tube knife Harvesting of Great Saphenous Vein device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710297596.XA CN106943176A (en) | 2017-04-28 | 2017-04-28 | Double-jacket tube knife Harvesting of Great Saphenous Vein device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106943176A true CN106943176A (en) | 2017-07-14 |
Family
ID=59478944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710297596.XA Pending CN106943176A (en) | 2017-04-28 | 2017-04-28 | Double-jacket tube knife Harvesting of Great Saphenous Vein device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106943176A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306244A (en) * | 1984-05-14 | 1994-04-26 | Surgical Systems & Instruments, Inc. | Method of guidewire insertion |
| US20070005084A1 (en) * | 2004-06-16 | 2007-01-04 | Clague Cynthia T | Minimally invasive coring vein harvester |
| US20070100359A1 (en) * | 2005-10-31 | 2007-05-03 | Heshmat Majleesi | Harvester |
| CN101438972A (en) * | 2007-11-23 | 2009-05-27 | 贺西麦·麦杰莱斯 | Vein resectoscope |
| CN102204842A (en) * | 2010-05-05 | 2011-10-05 | 柏峻峰 | Incision surgical knife |
| CN102985018A (en) * | 2010-06-22 | 2013-03-20 | 勒梅特微管股份有限公司 | Over-the-wire valvulotomes |
| US20160338727A1 (en) * | 2012-09-14 | 2016-11-24 | The Spectranetics Corporation | Tissue slitting methods and systems |
| CN208974024U (en) * | 2017-04-28 | 2019-06-14 | 卞晓明 | Double-jacket tube knife Harvesting of Great Saphenous Vein device |
-
2017
- 2017-04-28 CN CN201710297596.XA patent/CN106943176A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306244A (en) * | 1984-05-14 | 1994-04-26 | Surgical Systems & Instruments, Inc. | Method of guidewire insertion |
| US20070005084A1 (en) * | 2004-06-16 | 2007-01-04 | Clague Cynthia T | Minimally invasive coring vein harvester |
| US20070100359A1 (en) * | 2005-10-31 | 2007-05-03 | Heshmat Majleesi | Harvester |
| CN101438972A (en) * | 2007-11-23 | 2009-05-27 | 贺西麦·麦杰莱斯 | Vein resectoscope |
| CN102204842A (en) * | 2010-05-05 | 2011-10-05 | 柏峻峰 | Incision surgical knife |
| CN102985018A (en) * | 2010-06-22 | 2013-03-20 | 勒梅特微管股份有限公司 | Over-the-wire valvulotomes |
| US20160338727A1 (en) * | 2012-09-14 | 2016-11-24 | The Spectranetics Corporation | Tissue slitting methods and systems |
| CN208974024U (en) * | 2017-04-28 | 2019-06-14 | 卞晓明 | Double-jacket tube knife Harvesting of Great Saphenous Vein device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170714 |