CN209360823U - Tunnel dredge after a kind of liver - Google Patents
Tunnel dredge after a kind of liver Download PDFInfo
- Publication number
- CN209360823U CN209360823U CN201721501319.8U CN201721501319U CN209360823U CN 209360823 U CN209360823 U CN 209360823U CN 201721501319 U CN201721501319 U CN 201721501319U CN 209360823 U CN209360823 U CN 209360823U
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- China
- Prior art keywords
- bar
- liver
- tunnel
- dredge
- free end
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- 210000004185 liver Anatomy 0.000 title claims abstract description 58
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 2
- 230000008520 organization Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000001356 surgical procedure Methods 0.000 description 8
- 210000003462 vein Anatomy 0.000 description 5
- 229940030225 antihemorrhagics Drugs 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 239000008280 blood Substances 0.000 description 4
- 230000000025 haemostatic effect Effects 0.000 description 4
- 238000002271 resection Methods 0.000 description 4
- 208000032843 Hemorrhage Diseases 0.000 description 3
- 238000012752 Hepatectomy Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002324 minimally invasive surgery Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 241001232809 Chorista Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 210000000232 gallbladder Anatomy 0.000 description 1
- 210000005161 hepatic lobe Anatomy 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 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
- 238000009738 saturating Methods 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Prostheses (AREA)
Abstract
The utility model discloses tunnel dredges after a kind of liver, its generally one elongated, hollow bar (100), one end of bar is operating side (101), the other end is free end (102), middle section is bar body (103), it is characterized by: the free end (102) of bar it is arc-shaped bending and linear distance of its end outermost apart from distal side bar wall be less than or equal to 12mm, there is the transparent window (104) of a Duan Changwei 3-5 centimetre in the end of free end, offers opening on bar body (103), at operating side (101).The utility model can efficiently separate the tissue of liver organization He its periphery, simply and efficiently establish tunnel after liver, to be conducive to the progress of hepatotomy operation.And its own is simple with structure, it is easy to use.
Description
Technical field
The utility model relates to tunnel dredges after medical instruments field more particularly to a kind of liver, in anterior approach liver
Tunnel after dredging liver in resection operation (especially Laparoscopic Liver Resection), to obtain operation in hepatotomy or donor liver in liver transplantation
In play the role of control bleeding, prevent damage inferior caval vein.
Background technique
Tunnel refers to that one after liver between inferior caval vein and liver caudate lobe lacks dredging without blood vessel for Oral Ganduqing liquior after liver
Loose tissue space, gap width averagely about 1cm, length about 6.4 ± 1cm.In Anterior approach hepatectomy operation, how effectively to control
Liver section Hemorrhage in Deep processed becomes one of the key of successful surgery.Tunnel can subtract in such a way that coiling lifts after establishing liver
Few liver section bleeding, the dissection of liver interior conduit is clear in art, handles each pipe safety, conveniently, reliably, postoperative liver section oozing of blood, gallbladder
Leak subtraction is few.Secondly, mentioning inferior caval vein after protection liver on suspender belt when hepatectomy final stage, while operating position being made to shoal, avoiding
" valley sample " operation brings more risk.In the prior art, generally by haemostatic clamp by caudate lobe of liver lower edge before inferior caval vein
It is separated towards secundum porta hepatis direction, establishes tunnel after liver, this tunnel, lifting elasticity are passed through around liver band by haemostatic clamp traction elasticity
Around liver band and certain tension is kept, liver is separated with inferior caval vein after liver, then carries out liver resection.Above-mentioned operation side
There are following defects for formula: on the one hand, the limited length of haemostatic clamp, (such as right half liver huge tumor, abdominal cavity under some surgery situations
Mirror hepatectomy) it can not effectively establish tunnel after liver；On the other hand, haemostatic clamp is difficult there is also rotating in art, and thoughts and feelings function is poor
The disadvantages of, influence the progress of operation.
For this reason, it may be necessary to which designing tunnel dredge after a kind of liver effectively establishes tunnel after liver, just in liver resection
Handedness art is gone on smoothly.
Utility model content
The utility model lacks special utensil for tunnel after establishing liver in the prior art, and operating process is cumbersome, effect
The technical problems such as difference provide tunnel dredge after a kind of liver, and easy to operate, effect is good.
For this purpose, the utility model adopts the following technical solution:
Tunnel dredge after a kind of liver, generally one elongated, hollow bar (100), one end of bar are operating side
(101), the other end is free end (102), and middle section is bar body (103), it is characterised in that: the free end (102) of bar is in
It is bent in an arc shape and linear distance of its end outermost apart from distal side bar wall is less than or equal to 12mm, the end of free end has one section long
For 3-5 centimetres of transparent window (104)；Opening is offered on bar body (103), at operating side (101).
Tunnel dredge after the liver of the utility model, whole design is elongated and hollow rod-shaped at one, and one end of bar is curved
Folding is suitble to the dredging in the tunnel after progress liver during tunnel after establishing liver, and structure is simple, easy to use；Outermost distance
The linear distance of distal side bar wall is less than or equal to 12mm, makes the utility model in Minimally Invasive Surgery, convenient by establishing on human body
Minimally Invasive Surgery mouth pass in and out in corresponding body cavity；The transparent window of end, the lighting device in settable art, mentions for separation process
For illumination；Meanwhile tunnel after the soft lens such as Bronchofiberscope realize visual liver can also be set in the body of rod and separated, after significantly improving liver
The success rate and safety of tunnel separation, reduce the risk for damaging big blood vessel in blindness separation process, improve the success rate of operation.
In order to obtain better implementation effect, the end of the free end is a smooth spherical surface, and transparent window (104) is adopted
It is made of transparent plastic or transparent resin.The smooth sphere of passivity can prevent injury tissue in use, reduce operation wind
Danger；Transparent plastic or transparent resin, materials are convenient, saturating good brightness.
In order to obtain better implementation effect, the diameter 5-8mm of the bar (100).Convenient for chorista and in the tissue
It walks.
In order to obtain better implementation effect, the bar body (103) and transparent window (104) intersection are bent.It is logical
Setting bar body is crossed in the hardness of the intersection with transparent window, makes the angle adjustable between bar body and transparent window, and
Its hardness meets the requirement in tunnel after dredging liver, will not deform easily；To be applicable in the operator of different building shape, meet operation
The requirement of propertyization customization.
In order to obtain better implementation effect, in bar body (103), along bar body (103), length direction is provided with one
There is opening at the both ends of casing (105), described sleeve pipe (105).Casing and bar body form alphabetical pipe, and casing was for performing the operation
Pass through in journey for seal wire or faciola, to directly carry seal wire during tunnel after establishing liver or faciola reaches and needs to lead
The position drawn or stopped blooding reduces the step in surgical procedure, facilitates the progress of subsequent operation.
Preferably, only returning valve in being provided in the opening of free end for casing (105), prevent in surgical procedure
Blood, body fluid etc. enter in pipe, the instruments such as pollution Bronchofiberscope.The opening positioned at operating side of casing (105) can be with bar body
Opening it is identical, can also in addition open an opening again.
In order to obtain better implementation effect, one handle (106) are set in the operating side of bar.Convenient for operation.
To sum up, tunnel dredge after the liver of the utility model can efficiently separate the tissue of liver organization He its periphery, letter
List efficiently establishes tunnel after liver, to be conducive to the progress of hepatotomy operation.And its own is simple with structure, user
Just.
Detailed description of the invention
Fig. 1, Fig. 2 are the structural schematic diagram of the utility model；
Fig. 3 is the sectional view along A-A of Fig. 1；
Wherein, 100 be bar, and 101 be operating side, and 102 be free end, and 103 be bar body, and 104 be transparent window, and 105 are
Casing, 106 be handle.
Specific embodiment
The utility model is described further with specific embodiment with reference to the accompanying drawings of the specification, the utility model
In part same as the prior art will refer to the prior art.
As shown in Figure 1, tunnel dredge after the liver of the utility model, generally one elongated, hollow bar 100, bar
One end is operating side 101, and the other end is free end 102, and middle section is bar body 103, the arc-shaped bending in free end 102 of bar
And the linear distance of its end distal side outermost distance D1 bar wall is less than or equal to 12mm.In Minimally Invasive Surgery, existed by Trocar
The opening diameter established on human body is 12mm.
There is the transparent window 104 of a Duan Changwei 3-5 centimetre in the end of free end, and the end of free end is a smooth ball
Face, transparent window 104 are made of transparent plastic or transparent resin.The diameter D2 of the bar 100 is 5-8mm, in the present embodiment
In be 7mm.Bar body 103 and 104 intersection of transparent window are bent.To be applicable in the operator of different building shape, meet operation
The requirement of personalized customization.Opening is offered in bar body 103, at operating side 101, for propping up in surgical procedure for fibre
The instruments such as mirror penetrate, and the free end of bar body is then closed, and instrument can be prevented by the pollution of blood, body fluid etc..
As shown in Figure 1, Figure 3, sleeve 105, the set are provided in bar body 103, along 103 length direction of bar body
There is opening at the both ends of pipe 105.In this way, casing and bar body form casing, penetrated in advance in casing in the course of surgery
Seal wire or faciola pass through, so that directly carrying seal wire or faciola, which reach, needs to draw or stop during tunnel after establishing liver
The position of blood reduces the step in surgical procedure, facilitates the progress of subsequent operation.
As shown in Fig. 2, for ease of operation, one handle 106 can be arranged in the operating side of bar
The utility model use process is as follows:
In surgical procedure, at tunnel after establishing liver by liver hanging maneuver, the upper and lower mouth of liver post gap is isolated first,
Then, operator holds handle, adjusts the angle of thin bar, tunnel Xia Kou after the liver that the free end insertion of bar is opened, to after liver
It moves under water, separate in tunnel direction suitable for reading；Until being pierced by tunnel face；Easy to operate, easy to use, effect is good.It, can after being pierced by tunnel face
With as needed, stopped blooding by seal wire or faciola or separated, pulls operation.
In summary it is only the preferred embodiment of the utility model, is not used to limit the scope of the utility model,
Equivalent changes and modifications made by all contents according to the application the scope of the patents all should be the technology scope of the utility model.
Claims (7)
1. tunnel dredge after a kind of liver, generally one elongated, hollow bar (100), one end of bar are operating side (101),
The other end is free end (102), and middle section is bar body (103), it is characterised in that: the free end (102) of bar is arc-shaped curved
It rolls over and linear distance of its end outermost apart from distal side bar wall is less than or equal to 12mm, there is a Duan Changwei 3-5 in the end of free end
Centimetre transparent window (104), offer opening on bar body (103), at operating side (101).
2. tunnel dredge after liver according to claim 1, it is characterised in that: the end of the free end is one smooth
Spherical surface, transparent window (104) are made of transparent plastic or transparent resin.
3. tunnel dredge after liver according to claim 1, it is characterised in that: the diameter 5-8mm of the bar (100).
4. tunnel dredge after liver according to claim 1, it is characterised in that: the bar body (103) and transparent window
(104) intersection is bent.
5. tunnel dredge after liver according to claim 1, it is characterised in that: in bar body (103), along bar body
(103) length direction is provided with sleeve (105), and there is opening at the both ends of described sleeve pipe (105).
6. tunnel dredge after liver according to claim 5, it is characterised in that: be located at free end in casing (105)
It is provided in opening and only returns valve.
7. tunnel dredge after liver according to claim 1, it is characterised in that: one handle is arranged in the operating side of bar
(106)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721501319.8U CN209360823U (en) | 2017-11-10 | 2017-11-10 | Tunnel dredge after a kind of liver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721501319.8U CN209360823U (en) | 2017-11-10 | 2017-11-10 | Tunnel dredge after a kind of liver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209360823U true CN209360823U (en) | 2019-09-10 |
Family
ID=67811073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721501319.8U Active CN209360823U (en) | 2017-11-10 | 2017-11-10 | Tunnel dredge after a kind of liver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209360823U (en) |
-
2017
- 2017-11-10 CN CN201721501319.8U patent/CN209360823U/en active Active
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