CN209629816U - Fine biliary tract cuts device under a kind of laparoscope - Google Patents
Fine biliary tract cuts device under a kind of laparoscope Download PDFInfo
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- CN209629816U CN209629816U CN201920174482.0U CN201920174482U CN209629816U CN 209629816 U CN209629816 U CN 209629816U CN 201920174482 U CN201920174482 U CN 201920174482U CN 209629816 U CN209629816 U CN 209629816U
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- inner core
- core tube
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- biliary tract
- rake
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Abstract
Fine biliary tract cuts device under a kind of laparoscope, including inner core tube, inner core tube are fixedly arranged at the front end with piercing needle, piercing needle is made of horizontal part and rake, the angle of horizontal part and rake is 120 ° -150 °, and the rear end of inner core tube is equipped with triple valve, and the rear end of inner core tube is fixed with handle；In conclusion the utility model can be punctured to diagnose under hysteroscope, convenient for determining biliary tract position, prevent from accidentally cutting its hetero-organization, triple valve is arranged in new technology, facilitates and carries out leaving and taking bile sample, and the cutting silk cut is thinner, biliary duct injury is smaller, is conducive to cutting section and grows, is easy to post-operative recovery.
Description
Technical field
The utility model belongs to field of medical technology, and in particular to fine biliary tract cuts device under a kind of laparoscope.
Background technique
When carrying out biliary tract stone extraction or biliary tract incision and drainage are performed the operation, it usually needs cut biliary tract, cut the side of biliary tract now
Formula is often cut with sharp knife piece, scissors or electric hook, because head is wider when being cut with sharp knife piece or scissors, and electric hook dynamics is not
Easy to control, so damage range is larger, the portal vein at easy damaged rear is unfavorable for postoperative wound healing, and is carrying out biliary tract
It needs to be determined that the position of biliary tract need to be distinguished because Hilar pipeline is more with blood vessel before cutting, so needing to be determined in advance
Whether the pipeline is biliary tract, and existing determining method is to be aspirated, in syringe needle insertion pipeline if extraction liquid is
Golden yellow or blackish green bile then proves that the pipeline is biliary tract, but can not be aspirated with syringe in laparoscopic surgery,
It not can be carried out the diagnostic puncture of biliary tract, be easy its hetero-organization of the incision of mistake, if cutting its hetero-organization, easy damaged door is quiet
Arteries and veins.
Utility model content
The utility model provides that a kind of incision damage range is small, Ke Yijin to solve shortcoming in the prior art
Row diagnostic puncture, safe operation laparoscope under fine biliary tract cut device.
In order to solve the above technical problems, the utility model adopts the following technical solution: fine biliary tract is cut under a kind of laparoscope
Opening apparatus, including inner core tube, inner core tube are fixedly arranged at the front end with piercing needle, and piercing needle is made of horizontal part and rake, water
The angle of flat portion and rake is 120 ° -150 °, and the rear end of inner core tube is equipped with triple valve, and the rear end of inner core tube is fixed with hand
Handle；
Inner core tube is equipped with electric cutting assembly, and electric cutting assembly includes push-pull rod, cutting silk and movable button, under inner core tube
Portion's inner wall in axial direction offers inner hole, and the push-pull rod sliding is threaded through in the inner hole of inner core tube, the front end of push-pull rod
It is pierced by inner core tube forward, push-pull rod is fixedly arranged at the front end with mounting box, and pin shaft is equipped in mounting box, is equipped in mounting box and pin shaft
The wind spring of connection, one end of cutting silk are connected to the rake end of piercing needle, and the other end of cutting silk passes through mounting box
After be intertwined and connected on pin shaft, under the action of wind spring, cutting silk is in tensioned state and equal with the rake of piercing needle
Row；
The bottom rear of inner core tube is fixed with long box body, and guide rod, the company of inner core tube and long box body are fixed in long box body
The place of connecing offers through slot, and the bottom of long box body offers long hole, and the upper end of the movable button is fixed with sliding block, and sliding block is slidably connected
On the guide bar, and the top of sliding block is fixedly connected with the rear end of push-pull rod, and return spring, return spring are arranged on guide rod
Positioned at the rear side of sliding block, and the both ends of return spring cooperate with sliding block and the press of long inboard wall of cartridge respectively；The rear portion of inner core tube is also
Cutting connector is installed, cutting connector is connect by conducting wire with cutting silk, and the conducting wire is threaded through in push-pull rod.
The front of inner core tube is equipped with glass window.
The rake of piercing needle is equipped with deep calibration line.
Transparent outer sheath is arranged in inner core tube, outer sheath front end is equipped with protective cover.
By adopting the above technical scheme, the utility model has the following beneficial effects: having depth on the utility model piercing needle
Graduation mark is spent, there is a glass window at rear, can decide whether by glass window as biliary tract after pumping liquid, such as
Extract is golden yellow or blackish green, is biliary tract, is provided with triple valve thereafter, can pass through triple valve syringe and aspirate gallbladder
Juice specimen taken is chemically examined, thereafter external negative pressure suction device, can be aspirated bile in biliary tract, be depressurized to biliary tract；
In conclusion the utility model can be punctured to diagnose under hysteroscope, convenient for determining biliary tract position, prevent from accidentally cutting other groups
Knit, new technology be arranged triple valve, facilitate and carry out leaving and taking bile sample, and the cutting silk cut is thinner, biliary duct injury compared with
Small, for dynamics to control, operation is finer, is conducive to cutting section and grows, is easy to post-operative recovery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the enlarged drawing in Fig. 1 at B；
Fig. 4 is the cross-sectional view of piercing needle Yu cutting silk；
Fig. 5 is cutting silk working state schematic representation.
Specific embodiment
As shown in Figs. 1-5, fine biliary tract cuts device, including inner core tube 1, inner core tube 1 under the laparoscope of the utility model
Be fixedly arranged at the front end with piercing needle, the inside of piercing needle is equipped with the cavity being connected to 1 inner cavity of inner core tube, and piercing needle is by level
Portion 2 and rake 3 form, and the angle of horizontal part 2 and rake 3 is 120 ° -150 °, and 3 length of rake is 4-8mm, inner core tube 1
Rear end triple valve 4 is installed, the rear end of inner core tube 1 is fixed with handle 5；
Inner core tube 1 is equipped with electric cutting assembly, and electric cutting assembly includes push-pull rod 6, cutting silk 7 and movable button 8, cutting silk
7 diameter is 0.4-0.8mm, and the lower inner wall of inner core tube 1 in axial direction offers inner hole, and the sliding of push-pull rod 6 is worn
It being located in the inner hole of inner core tube 1, the front end of push-pull rod 6 is pierced by forward inner core tube 1, and push-pull rod 6 is fixedly arranged at the front end with mounting box 9,
It is equipped with pin shaft in mounting box 9, the wind spring connecting with pin shaft is installed in mounting box 9, one end of cutting silk 7 is connected to piercing needle
3 end of rake, the other end of cutting silk 7 is intertwined and connected on pin shaft after passing through mounting box 9, under the action of wind spring,
Cutting silk 7 is in tensioned state and parallel with the rake of piercing needle 3, and wind spring provides the torsion of rotation for pin shaft in the present invention
The connection type of power, wind spring and pin shaft is existing conventional techniques, is not shown in the figure；
The bottom rear of inner core tube 1 is fixed with long box body 10, and guide rod 11, inner core tube 1 and length are fixed in long box body 10
The junction of box body 10 offers through slot, and the bottom of long box body 10 offers long hole, and the upper end of the movable button 8 is fixed with sliding block
12, sliding block 12 is slidably connected on guide rod 11, and the top of sliding block 12 is fixedly connected with the rear end of push-pull rod 6, guide rod 11
On be arranged with return spring 13, return spring 13 is located at the rear side of sliding block 12, and the both ends of return spring 13 respectively with sliding block 12
It presses and cooperates with long 10 inner wall of box body；The rear portion of inner core tube 1 is also equipped with cutting connector 14, and cutting connector 14 passes through conducting wire and electricity
Chopping 7 connects, and the conducting wire is threaded through in push-pull rod 6.
The front of inner core tube 1 is equipped with glass window 15.
The rake 3 of piercing needle is equipped with deep calibration line.
Transparent outer sheath 16 is arranged in inner core tube 1,16 front end of outer sheath is equipped with protective cover 17, and protective cover 17 is for protecting
Tissue is protected, when preventing from transferring the present apparatus in hysteroscope, piercing needle scratches surrounding tissue.
The piercing needle of the utility model is made of horizontal part 2 and rake 3, and horizontal part 2 and the angle of rake 3 are
120 ° -150 °, the structure for tilting obtuse angle is convenient for pipe cutting, before pipe cutting, by cutting connector 14 and high frequency surgery
Equipment connection, the high frequency surgical equipment are existing conventional techniques, and existing high frequency surgical equipment often connect with electric knife-pen, cutting
When hold handle 5, transfer the present apparatus under laparoscope, after reaching designated position, outer sheath 16 pulled up, so that puncture needle
Head exposes out of protective cover 17, and then piercing needle is pierced into pipeline, selects piercing needle insertion according to biliary tract inner wall thickness
The depth of pipeline, can read the depth in insertion biliary tract by deep calibration line will damage if insertion piercing needle is too deep
Hurt the opposite side tube wall of biliary tract, therefore the inner wall of the pipe centainly cut as needed before puncturing is punctured；
After puncture, one of liquid outlet of triple valve 4 is connect with negative pressure suction device, starting vacuum suction dress
It sets, is the color of observable aspirated liquid by glass window 15 by the liquid extraction section in pipeline, if aspirated liquid is gold
Yellow or blackish green bile, it was demonstrated that the pipeline of cutting is that biliary tract be easy to cause infection of biliary tract when cholestasis in biliary tract,
Siltation bile can be extracted out by negative pressure suction device at this time, to dredge biliary tract, in addition when needing to carry out bile specimen taken
When chemical examination, triple valve 4 another liquid outlet connect with syringe, then aspirates inner core using syringe by swivel tee valve 4
Bile in pipe 1, so that specimen taken is chemically examined；
Can carry out pipe cutting later, pull back movable button 8, movable button 8 with movable slider 12 along guide rod 11 backward
Mobile, return spring 13 compresses, and sliding block 12 pulls back push-pull rod 6, so that push-pull rod 6 moves backward, in moving process, electricity
Elongation is shut down in chopping 7 from pin shaft, and final cutting silk 7 forms angle with piercing needle rake 3, and cutting silk 7 fully opens, this
When can start high frequency surgical equipment, cutting silk 7 is powered by conducting wire, mobile device i.e. using 7 pairs of cutting silk manage
Road carries out axial direction cutting.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (4)
1. fine biliary tract cuts device under a kind of laparoscope, it is characterised in that: including inner core tube, being fixedly arranged at the front end with for inner core tube is worn
Pricker head, piercing needle are made of horizontal part and rake, and the angle of horizontal part and rake is 120 ° -150 °, inner core tube
Rear end is equipped with triple valve, and the rear end of inner core tube is fixed with handle；
Inner core tube is equipped with electric cutting assembly, and electric cutting assembly includes push-pull rod, cutting silk and movable button, in the lower part of inner core tube
Wall in axial direction offers inner hole, and the push-pull rod sliding is threaded through in the inner hole of inner core tube, and the front end of push-pull rod is forward
It is pierced by inner core tube, push-pull rod is fixedly arranged at the front end with mounting box, pin shaft is equipped in mounting box, is equipped in mounting box and connect with pin shaft
Wind spring, one end of cutting silk is connected to the rake end of piercing needle, and the other end of cutting silk twines after passing through mounting box
Around being connected on pin shaft, under the action of wind spring, cutting silk is in tensioned state and parallel with the rake of piercing needle；
The bottom rear of inner core tube is fixed with long box body, and guide rod, the junction of inner core tube and long box body are fixed in long box body
Through slot is offered, the bottom of long box body offers long hole, and the upper end of the movable button is fixed with sliding block, and sliding block, which is slidably connected at, leads
To on bar, and the top of sliding block is fixedly connected with the rear end of push-pull rod, and return spring is arranged on guide rod, and return spring is located at
The rear side of sliding block, and the both ends of return spring cooperate with sliding block and the press of long inboard wall of cartridge respectively；
The rear portion of inner core tube is also equipped with cutting connector, and cutting connector is connect by conducting wire with cutting silk, and the conducting wire is worn
In push-pull rod.
2. fine biliary tract cuts device under a kind of laparoscope according to claim 1, it is characterised in that: the front of inner core tube
Equipped with glass window.
3. fine biliary tract cuts device under a kind of laparoscope according to claim 1, it is characterised in that: piercing needle inclines
Inclined portion is equipped with deep calibration line.
4. fine biliary tract cuts device under a kind of laparoscope according to claim 1, it is characterised in that: be arranged in inner core tube
There is transparent outer sheath, outer sheath front end is equipped with protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174482.0U CN209629816U (en) | 2019-01-31 | 2019-01-31 | Fine biliary tract cuts device under a kind of laparoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174482.0U CN209629816U (en) | 2019-01-31 | 2019-01-31 | Fine biliary tract cuts device under a kind of laparoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209629816U true CN209629816U (en) | 2019-11-15 |
Family
ID=68492891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920174482.0U Active CN209629816U (en) | 2019-01-31 | 2019-01-31 | Fine biliary tract cuts device under a kind of laparoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209629816U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620397A (en) * | 2019-01-31 | 2019-04-16 | 郑州大学第附属医院 | Fine biliary tract cuts device under a kind of laparoscope |
| CN112998841A (en) * | 2021-02-08 | 2021-06-22 | 东莞市南城医院 | Lower snare electric cutter for choledochoscope |
-
2019
- 2019-01-31 CN CN201920174482.0U patent/CN209629816U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620397A (en) * | 2019-01-31 | 2019-04-16 | 郑州大学第附属医院 | Fine biliary tract cuts device under a kind of laparoscope |
| CN112998841A (en) * | 2021-02-08 | 2021-06-22 | 东莞市南城医院 | Lower snare electric cutter for choledochoscope |
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