CN207821880U - Minimally invasive Harvesting of Great Saphenous Vein device - Google Patents
Minimally invasive Harvesting of Great Saphenous Vein device Download PDFInfo
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- CN207821880U CN207821880U CN201720467638.5U CN201720467638U CN207821880U CN 207821880 U CN207821880 U CN 207821880U CN 201720467638 U CN201720467638 U CN 201720467638U CN 207821880 U CN207821880 U CN 207821880U
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- fixed sleeving
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Abstract
The utility model proposes a kind of minimally invasive Harvesting of Great Saphenous Vein devices, belong to the field of medical instrument technology, and vascular protection casing is arranged in inside set pipe cutting knife, and set pipe cutting knife is arranged in inside tissue fixed sleeving；The first gear of set pipe cutting knife tail end is located at outside tissue fixed sleeving tail end, and first gear is by internal screw-thread screw on the external screw thread of vascular protection cannula end；Transmission device includes front supports and rear supports, and the tail end of fixed sleeving is organized to be fixed at the front through hole of front supports, and the tail end of vascular protection casing is fixed on the rear through hole of rear supports；The second gear for setting rotation axis between front supports and rear supports and being engaged with first gear；Driving device and rotation axis connection.The utility model is designed reasonably, it is of low cost；It is easy to operate, it is easy to grasp；Wound is small, safe；The venous collection used time is short, and average every blood vessel acquisition time 23 minutes, the used time is only the 1/10 of best endoscope acquisition system at present, improves procedure efficiency.
Description
Technical field
The utility model is related to the field of medical instrument technology, specifically a kind of minimally invasive Harvesting of Great Saphenous Vein device.
Background technology
In clinical medicine, anesthesia about coronary artery bypass grafting (off pump coronary artery bypass) need to acquire one section of vein with patient and (be typically
Great saphenous vein-Saphenous vein, SV) blood vessel as bridging, it is desirable that the blood vessel acquired must not will be damaged completely
Wound, to ensure the success rate of anesthesia about coronary artery bypass grafting.
Currently, most of coronary bypass surgeries still use OVH methods to obtain great saphenous vein, this kind of method needs whole cut to suffer from
Skin, subcutaneous tissue and the fascia of person's bridge blood vessel surface will inevitably cut off blood vessel, nervus cutaneus and superficial leaching above it
Hand shaft, incisional wound is big, and postoperative patient wound pain is apparent, wound infection, the sensorimotor function obstacle of part, lymphatic vessel
Inflammation, lower extremity swelling and distension, liquefaction of fat, the incidence of complications such as split are high, influence the recovering process of patient, extend when being hospitalized
Between, increase Hospitalization expenses.
Occurring the technology using scope acquisition great saphenous vein in recent years, this technology is compared with OVH methods, though damage is opposite
It reduces, but still there are very important damages.This technology needs the expensive endoscopic system of special configuration and disposable
" separator " and " collector " used, expensive, equipment complexity, and operator need special training that can grasp this
System, operation sequence is complicated, and with duration, average every blood vessel acquisition time needs 30-40 minutes or more.
Therefore, the art still without a kind of wound is small, device structure is simple, easy grasp at low cost, easy to operate, use
When few and effect it is good, doctor and all satisfied Harvesting of Great Saphenous Vein systems/devices of patient are for clinic.
Utility model content
The utility model proposes a kind of minimally invasive Harvesting of Great Saphenous Vein devices, solve venous collection mode in the prior art
The problems such as wound is big, complication rate is high, costly, complicated for operation, with duration.
What the technical solution of the utility model was realized in：
A kind of minimally invasive Harvesting of Great Saphenous Vein device, including tissue fixed sleeving, set pipe cutting knife, vascular protection casing, transmission
Device and driving device；
The tissue fixed sleeving includes a fixed sleeving tube body, and the head end of the fixed sleeving tube body is equipped with several fixations
Needle, several fixed pins are extended forward by the head end of the fixed sleeving tube body；
Described sleeve pipe cutter includes a cutter tube body, and the head end of the cutter tube body is equipped with cutoff edge, the cutter tube body
Tail end be fixed with first gear, the first gear and the cutter tube body are concentric；The inner wall of the first gear has
Internal thread；
The vascular protection casing includes a protection sleeve pipe tube body, and the tail end of the protection sleeve pipe tube body is equipped with external screw thread；
The vascular protection casing is arranged in inside described sleeve pipe cutter, and described sleeve pipe cutter is arranged in the tissue and fixes
Inside pipe casing；
The tail end and first gear of described sleeve pipe cutter be located at it is described tissue fixed sleeving tail end outside, described first
Gear is by the internal screw-thread screw on the external screw thread of the vascular protection casing；
The transmission device includes the front supports and rear supports being oppositely arranged, logical before being offered on the front supports
Hole offers rear through-hole on the rear supports；The front through hole and rear through-hole are concentric；
The tail end of the tissue fixed sleeving is fixed at the front through hole, and the tail end of the vascular protection casing is fixed on
Through hole after described；The first gear and external screw thread are between the front supports and rear supports；
It is provided with rotation axis between the front supports and rear supports, second gear, institute are provided in the rotation axis
Second gear is stated to engage with the first gear；
The driving device and the rotation axis connection.
Further, the cutoff edge is waveform or zigzag.
Further, handle is enclosed on the outside of the transmission device, the tail end of the vascular protection casing is opened on institute
State the tail end of handle.
Further, the driving device is rocking handle, and the rocking handle is located on the outside of the tail end of the handle.
Further, the driving device is motor, and the motor is placed in the handle inner.
Further, battery is provided in the handle, the handle surfaces are equipped with switch, the battery, switch and electricity
Machine is cascaded.
Further, the handle surfaces are equipped with switch, the switch and motor and the plug positioned at the handle outer
It is cascaded.
The beneficial effects of the utility model are：
The minimally invasive Harvesting of Great Saphenous Vein apparatus structure of the utility model is simple, and reasonable design is of low cost；It is easy to operate,
It is easy to grasp；It is small for the wound of patient, it is safe；The venous collection used time is short, average 2-3 points of every blood vessel acquisition time
Clock, used time are only the 1/10 of best endoscope acquisition system at present, improve procedure efficiency.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the cutting pre-structure schematic diagram of the utility model embodiment one；
Fig. 2 be the utility model embodiment one cutting after structural schematic diagram；
Fig. 3 is the internal structure schematic diagram before the cutting of the utility model embodiment one；
Fig. 4 is the internal structure schematic diagram after the cutting of the utility model embodiment one；
Fig. 5 is the handle inner structural schematic diagram of the utility model embodiment two；
Fig. 6 is the handle inner structural schematic diagram of the utility model embodiment three.
Wherein：
1, fixed sleeving is organized；2, pipe cutting knife is covered；3, vascular protection casing；4, fixed pin；5, cutoff edge；6, the first tooth
Wheel；7, external screw thread；8, front supports；9, rear supports；10, front through hole；11, rear through-hole；12, rotation axis；13, second gear；
14, handle；15, rocking handle；16, motor；17, battery；18, it switchs；19, plug.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figs 1-4, the minimally invasive Harvesting of Great Saphenous Vein device in the present embodiment, including tissue fixed sleeving 1, casing are cut
Knife 2, vascular protection casing 3, transmission device and driving device.
Wherein, the tissue fixed sleeving 1 includes a fixed sleeving tube body, and fixed sleeving tube body here is cylindrical tube
The head end of body, the fixed sleeving tube body is equipped with several fixed pins 4, and several fixed pins 4 are by the fixed sleeving tube body
Head end extends forward, and several fixed pins 4 are distributed along the even circumferential of the fixed sleeving tube body.
Wherein, described sleeve pipe cutter 2 includes a cutter tube body, and cutter tube body here is cylindrical tube, the cutter
The head end of tube body is equipped with cutoff edge 5, and in the present embodiment, the cutoff edge 5 is waveform, and sawtooth can also be used in practical application
The cutoff edge 5 of the other shapes such as shape.The tail end of the cutter tube body is fixed with first gear 6, and the first gear 6 is cut with described
Knife tube body is concentric；The inner wall of the first gear 6 has internal thread.
Wherein, the vascular protection casing 3 includes a protection sleeve pipe tube body, and protection sleeve pipe tube body here is cylindrical tube
The tail end of body, the protection sleeve pipe tube body is equipped with external screw thread 7, and the external screw thread 7 can be used with the screw-internal thread fit.
The vascular protection casing 3 is arranged in inside described sleeve pipe cutter 2, and described sleeve pipe cutter 2 is arranged in the tissue
Inside fixed sleeving 1, the vascular protection casing 3, set pipe cutting knife 2 and tissue 1 concentric setting of fixed sleeving.Described sleeve pipe is cut
The tail end and first gear 6 of knife 2 are located at the outside of the tail end of the tissue fixed sleeving 1, and the first gear 6 is by the interior spiral shell
Line is screwed on the external screw thread 7 of the vascular protection casing 3.
The transmission device includes the front supports 8 being oppositely arranged and rear supports 9, and front supports 8 here are propped up with rear
Support body 9 is all made of support plate, former and later two support plates are fixed together by connector.
Front through hole 10 is offered on the front supports 8, and rear through-hole 11 is offered on the rear supports 9；It is logical before described
Hole 10 and rear through-hole 11 are concentric；The tail end of the tissue fixed sleeving 1 is fixed at the front through hole 10, the vascular protection
The tail end of casing 3 is fixed at through-hole 11 in the rear；The first gear 6 and external screw thread 7 are located at the front supports 8 and rear branch
Between support body 9.It is provided with rotation axis 12 between the front supports 8 and rear supports 9, second is provided in the rotation axis 12
Gear 13, the second gear 13 are engaged with the first gear 6.In the present embodiment, it is enclosed on the outside of the transmission device
Handle 14, the person of being conveniently operated hold, and the tail end of the vascular protection casing 3 is opened on the tail end of the handle 14.
The driving device is connect with the rotation axis 12, to drive rotation axis 12 to rotate.In the present embodiment, the drive
Dynamic device is rocking handle 15, and the rocking handle 15 is located on the outside of the tail end of the handle 14, can be with turn by shaking rocking handle 15
Moving axis 12 and second gear 13 rotate.
When the present embodiment works, skin is first cut at the both ends skin of vein to be taken and cuts off vein, remaining end vein
Then guiding seal wire is inserted into ligation in vein to be taken, seal wire both ends are drawn by skin incisions；One end of seal wire is by blood vessel
The head end of protection sleeve pipe 3 penetrates, and is pierced by by the tail end of vascular protection casing 3, i.e., is pierced by from the tail end of handle 14, guides this implementation
The direction of advance of example.The blade end of the present embodiment is entered by side skin incisions, when original state, referring to Fig. 1 and Fig. 3,
First gear 6 is located at close to 9 side of rear supports, and cutoff edge 5 is retracted into tissue fixed sleeving 1 and the formation of vascular protection casing 3
Crack inside, operator's gripping handle 14 is pushed ahead along seal wire direction, and fixed pin 4 is convenient for tissue fixed sleeving 1 to being pushed forward
Into after promoting certain distance, stopping promotes, and fixed pin 4 is pierced into perivascular to be collected and fixing organization at this time；Shake rocking handle
15, drive rotation axis 12 and second gear 13 to rotate, first gear 6 is engaged with second gear 13, then first gear 6 turns therewith
It is dynamic, after first gear 6 rotates, internal thread inside first gear 6 can along the external screw thread 7 on vascular protection casing 3 to
8 side of front supports is moved, and is moved forward while driving set pipe cutting knife 2 to rotate, and the cutoff edge 5 of set pipe cutting knife 2 is gradually exposed
The crack for organizing fixed sleeving 1 to be formed with vascular protection casing 3, and the tissue on the outside of blood vessel is cut, referring to Fig. 2 and figure
4, certain distance is cut, first gear 6 is forwarded to be stopped close to 8 side of front supports, and cutting stops；It is reversed to shake rocking handle 15,
First gear 6 is returned to close to 9 side of rear supports, cutoff edge 5 is made to be retracted into tissue fixed sleeving 1 and vascular protection casing
Inside 3 cracks formed, the present embodiment is pushed ahead again along seal wire direction, carries out cutting operation next time.
With cutting process, the present embodiment advances forward along the channeling direction of seal wire, and the vein cut down enters blood
Inside protection of pipe casing 3；During advance, vascular protection casing 3 can protect vein from the injury of cutoff edge 5.Cutting
After the completion, the present embodiment is extracted out from skin incision, and vein to be taken is taken out in vitro, absorbable hemostasia rope item is placed in blood vessel quilt
Stop blooding in the tunnel formed after acquisition.The vein removed is driven to be taken out from the tail end of vascular protection casing 3 seal wire.
Embodiment 2
As shown in figure 5, the present embodiment and 1 structure of embodiment are essentially identical, difference lies in the driving devices in the present embodiment
For motor 16, the motor 16 is placed in inside the handle 14.Battery 17,14 table of the handle are provided in the handle 14
Face is equipped with switch 18, and the battery 17, switch 18 and motor 16 are cascaded.
Switch 18 is pressed, battery 17 is powered for motor 16, and motor 16 works, then drives rotation axis 12 to rotate, subsequent biography
Dynamic process is same as Example 1.The forward or backward of set pipe cutting knife 2 can be controlled by the positive and negative rotation of motor 16.
Embodiment 3
As shown in fig. 6, the present embodiment and 2 structure of embodiment are essentially identical, difference lies in external electrical is used in the present embodiment
Source power supply substituting battery 17 is powered.
In the present embodiment, 14 surface of the handle is equipped with switch 18, the switch 18 and motor 16 and is located at the handle
Plug 19 outside 14 is cascaded.Plug 19 is plugged on externally fed socket when use, is powered for motor 16.
Other courses of work of the present embodiment are same as Example 2.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of minimally invasive Harvesting of Great Saphenous Vein device, which is characterized in that including tissue fixed sleeving, set pipe cutting knife, vascular protection
Casing, transmission device and driving device；
The tissue fixed sleeving includes a fixed sleeving tube body, and the head end of the fixed sleeving tube body is equipped with several fixed pins,
Several fixed pins are extended forward by the head end of the fixed sleeving tube body；
Described sleeve pipe cutter includes a cutter tube body, and the head end of the cutter tube body is equipped with cutoff edge, the tail of the cutter tube body
End is fixed with first gear, and the first gear and the cutter tube body are concentric；The inner wall of the first gear has interior spiral shell
Line；
The vascular protection casing includes a protection sleeve pipe tube body, and the tail end of the protection sleeve pipe tube body is equipped with external screw thread；
The vascular protection casing is arranged in inside described sleeve pipe cutter, and described sleeve pipe cutter is arranged in the tissue fixed sleeving
It is internal；
The tail end and first gear of described sleeve pipe cutter are located at the outside of the tail end of the tissue fixed sleeving, the first gear
By the internal screw-thread screw on the external screw thread of the vascular protection casing；
The transmission device includes the front supports and rear supports being oppositely arranged, and front through hole is offered on the front supports,
Rear through-hole is offered on the rear supports；The front through hole and rear through-hole are concentric；
The tail end of the tissue fixed sleeving is fixed at the front through hole, and the tail end of the vascular protection casing is fixed on described
Through hole afterwards；The first gear and external screw thread are between the front supports and rear supports；
It is provided with rotation axis between the front supports and rear supports, is provided with second gear in the rotation axis, described
Two gears are engaged with the first gear；
The driving device and the rotation axis connection.
2. minimally invasive Harvesting of Great Saphenous Vein device as described in claim 1, which is characterized in that the cutoff edge is waveform or saw
Tooth form.
3. minimally invasive Harvesting of Great Saphenous Vein device as claimed in claim 2, which is characterized in that wrap up in the outside of the transmission device
There are handle, the tail end of the vascular protection casing to be opened on the tail end of the handle.
4. minimally invasive Harvesting of Great Saphenous Vein device as claimed in claim 3, which is characterized in that the driving device is rocking handle, institute
Rocking handle is stated to be located on the outside of the tail end of the handle.
5. minimally invasive Harvesting of Great Saphenous Vein device as claimed in claim 3, which is characterized in that the driving device is motor, institute
It states motor and is placed in the handle inner.
6. minimally invasive Harvesting of Great Saphenous Vein device as claimed in claim 5, which is characterized in that it is provided with battery in the handle,
The handle surfaces are equipped with switch, and the battery, switch and motor are cascaded.
7. minimally invasive Harvesting of Great Saphenous Vein device as claimed in claim 5, which is characterized in that the handle surfaces are equipped with switch,
The switch and motor are cascaded with the plug positioned at the handle outer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720467638.5U CN207821880U (en) | 2017-04-28 | 2017-04-28 | Minimally invasive Harvesting of Great Saphenous Vein device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720467638.5U CN207821880U (en) | 2017-04-28 | 2017-04-28 | Minimally invasive Harvesting of Great Saphenous Vein device |
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| Publication Number | Publication Date |
|---|---|
| CN207821880U true CN207821880U (en) | 2018-09-07 |
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ID=63384679
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720467638.5U Active CN207821880U (en) | 2017-04-28 | 2017-04-28 | Minimally invasive Harvesting of Great Saphenous Vein device |
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| CN (1) | CN207821880U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106943175A (en) * | 2017-04-28 | 2017-07-14 | 大连科万维医疗科技有限公司 | Minimally invasive Harvesting of Great Saphenous Vein device |
| CN115300054A (en) * | 2022-09-06 | 2022-11-08 | 南京鼓楼医院 | Double-cannula knife great saphenous vein collection device |
| CN115349922A (en) * | 2022-09-06 | 2022-11-18 | 南京鼓楼医院 | High-efficient antibacterial wicresoft's great saphenous vein collection system |
-
2017
- 2017-04-28 CN CN201720467638.5U patent/CN207821880U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106943175A (en) * | 2017-04-28 | 2017-07-14 | 大连科万维医疗科技有限公司 | Minimally invasive Harvesting of Great Saphenous Vein device |
| CN115300054A (en) * | 2022-09-06 | 2022-11-08 | 南京鼓楼医院 | Double-cannula knife great saphenous vein collection device |
| CN115349922A (en) * | 2022-09-06 | 2022-11-18 | 南京鼓楼医院 | High-efficient antibacterial wicresoft's great saphenous vein collection system |
| CN115300054B (en) * | 2022-09-06 | 2023-04-11 | 南京鼓楼医院 | Double-cannula knife great saphenous vein collection device |
| WO2024051459A1 (en) * | 2022-09-06 | 2024-03-14 | 南京鼓楼医院 | Efficient bacteriostatic minimally invasive collection device for great saphenous vein |
| WO2024051462A1 (en) * | 2022-09-06 | 2024-03-14 | 南京鼓楼医院 | Double cannula knife great saphenous vein harvesting device |
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