CN216724646U - Hepatic vein blocking forceps under laparoscope - Google Patents
Hepatic vein blocking forceps under laparoscope Download PDFInfo
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- CN216724646U CN216724646U CN202121320982.4U CN202121320982U CN216724646U CN 216724646 U CN216724646 U CN 216724646U CN 202121320982 U CN202121320982 U CN 202121320982U CN 216724646 U CN216724646 U CN 216724646U
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Abstract
The utility model discloses hepatic vein blocking forceps under a laparoscope, which comprise an operation end and a blocking forceps end; the operating end and the blocking clamp can be separated and combined through free connection between the movable rod connecting part and the connecting rod connecting part; the blocking forceps clamp the blood vessel through the action of the spring; the connecting rod and the movable rod can be driven by pressing the forceps handle, so that the first forceps holder and the second forceps holder are opened. The requirement of laparoscopic surgery is met, hepatic vein vessels are effectively blocked, and the safety of the surgery is guaranteed.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to hepatic vein blocking forceps under a laparoscope.
Background
Laparoscopic surgery is a newly developed minimally invasive method and is a necessary trend for the development of future surgical methods. The laparoscopic surgery has the characteristics of small surgical wound, quick postoperative recovery and the like. The pain of the patient is greatly relieved, but the demand of the laparoscope on the technology and the instruments is higher than that of the traditional operation, and the instruments can perform the operation on the organs in the abdominal cavity through the passage of the laparoscope. The hemostasis problem in laparoscopic liver surgery is a current problem, and the hepatic vein blood vessels need to be effectively blocked to avoid massive hemorrhage in the surgery.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides hepatic vein blocking forceps under a laparoscope, which meet the requirements of laparoscopic surgery, effectively block hepatic vein vessels and guarantee the safety of the surgery.
The technical scheme of the utility model is as follows: a hepatic vein blocking forceps under a laparoscope comprises an operating end and a blocking forceps end;
the operating end comprises an operating rod connecting rod; the inner channel of the operating rod penetrates through the connecting rod, the head end and the tail end of the connecting rod both extend out of the operating rod, and the head end of the connecting rod is provided with a connecting rod connecting part which drives the connecting rod to move backwards so that the head end of the connecting rod can be submerged into the inner channel of the connecting rod;
the blocking clamp end comprises a clamp head rod, a clamp head seat, a movable rod, a spring, two clamp head transmission pieces, a first clamp jaw and a second clamp jaw;
the clamp head rod is of a hollow structure, two connecting plates symmetrically extend out of two sides of the head end of the clamp head rod, and clamp head rod connecting holes are symmetrically formed in the two connecting plates;
the movable rod penetrates through the internal channel of the tong head rod, the tail end of the movable rod extends out of the tong head rod, a movable rod joint part is arranged at the tail end of the movable rod, and the movable rod joint part is detachably connected with the connecting rod joint part;
a first jaw connecting hole is formed in the tail end of the first jaw, and a first jaw hinge hole is formed in the first jaw corresponding to the front end of the first jaw connecting hole;
a second jaw connecting hole is formed in the tail end of the second jaw, and a second jaw hinge hole is formed in the second jaw corresponding to the front end of the second jaw connecting hole;
the first jaw hinge hole and the second jaw hinge hole are connected with the two jaw rod connecting holes through hinge shafts;
the first forceps holder connecting hole is connected with one end of one forceps head driving sheet through a hinge shaft, the second forceps holder connecting hole is connected with one end of the other forceps head driving sheet through a hinge shaft, and the other ends of the two forceps head driving sheets are connected with the end of the movable rod through hinge shafts;
the clamp head seat is arranged at the tail end of the clamp head rod, a hole is formed in the center of the clamp head seat, and the movable rod body can penetrate through the hole in the center of the clamp head seat;
the movable rod between the spring baffle and the tong head seat is sleeved with a spring;
when the movable rod is not pulled, the movable rod pushes against the binding clip driving sheet under the action of the elastic force of the spring, and the first jaw and the second jaw are in a closed state through the driving structure; when the movable rod is pulled, the spring is compressed, and the two forceps head transmission pieces move backwards to drive the first forceps holder and the second forceps holder to open.
Furthermore, the operating end also comprises two clamp handles and two transmission pieces; two sides of the tail end of the operating rod are connected with the head ends of the two forceps handles through a hinge shaft; the two sides of the tail end of the connecting rod are connected with one ends of the two transmission pieces through hinge shafts, the other ends of the two transmission pieces are connected with the middle parts of the two forceps handles in a one-to-one correspondence mode through the hinge shafts, and when the forceps handles are pressed, the transmission pieces push the connecting rod to move backwards, so that the head end of the connecting rod is immersed into an internal channel of the connecting rod.
Furthermore, the joining part of the movable rod is of a spherical structure, and the diameter of the spherical structure is larger than that of the movable rod body; the connecting rod connecting part is a groove with the diameter matched with that of the spherical structure, and the head end of the groove is opened for placing the movable rod body; the movable rod joint part of the spherical structure is placed in the connecting rod joint part of the groove structure, so that the movable rod joint part and the connecting rod joint part are detachably connected.
Furthermore, the first clamp body and the second clamp body are curved in an arc shape, and the binding surfaces are flat.
Compared with the prior art, the utility model is characterized in that: the operating end and the blocking clamp end can be separated and combined through free connection between the movable rod connection part and the connecting rod connection part; the blocking forceps end clamps the blood vessel through the action of a spring; the connecting rod and the movable rod can be driven by pressing the forceps handle, so that the first forceps holder and the second forceps holder are opened.
When the blocking forceps are used, the blocking forceps end and the operating end are combined and connected, enter the abdominal cavity through an endoscope channel, the forceps handle is pressed after a proper position is found, the forceps holder is in an opening and closing state at the moment, the forceps handle can be loosened after a hepatic vein blood vessel is clamped, the blocking forceps end clamps the blood vessel through the action of the spring, the operating end and the blocking forceps end are separated, and the operating end is withdrawn from the endoscope; when the blocking forceps need to be taken out, the operation end and the blocking forceps end are combined and connected again, the forceps holder is pressed to loosen the forceps holder, and then the endoscope is withdrawn.
Drawings
FIG. 1 is a general schematic view of a laparoscopic hepatic vein occlusion clamp;
FIG. 2 is a schematic diagram showing the jaws of a laparoscopic hepatic vein occlusion clamp being opened;
FIG. 3 is a cross-sectional view of a laparoscopic hepatic vein occlusion clamp;
fig. 4 is an exploded view of a blocker clamp;
FIG. 5 is a sectional view of the operating end;
fig. 6 is an exploded view of the operational side.
Wherein, 1-operation end, 2-blocking clamp end, 11-operation rod, 12-clamp handle, 13-transmission piece and 14-connecting rod; 21-a forceps head rod, 22-a forceps head seat, 23-a movable rod, 24-a spring, 25-a forceps head transmission piece, 26-a first forceps jaw, 27-a second forceps jaw and 28-a spring baffle; 111-connecting end of operating rod, 121-first connecting end of forceps handle, 122-second connecting end of forceps handle, 141-connecting rod connecting end and 142-connecting rod connecting part; 211-a forceps head rod connecting hole, 231-a movable rod connecting part, 232-a movable rod connecting end, 261-a first jaw hinge hole, 262-a first jaw connecting hole, 271-a second jaw hinge hole, 272-a second jaw connecting hole.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a laparoscopic hepatic vein occlusion forceps includes an operating end 1 and an occlusion forceps end 2.
As shown in fig. 3, 5 and 6, the operating end 1 includes an operating lever 11, two forceps handles 12, two driving straps 13 and a connecting rod 14. Two sides of the tail end of the operating rod 11 are connected with the head ends of the two forceps handles 12 through a hinge shaft, and an internal channel of the operating rod 11 penetrates through the connecting rod 14. The head end and the tail end of the connecting rod 14 extend out of the operating rod 11, the head end of the connecting rod 14 is provided with a connecting rod connecting part 142, two sides of the tail end of the connecting rod 14 are connected with one ends of the two driving pieces 13 through hinge shafts, the other ends of the two driving pieces 13 are connected with the middle parts of the two forceps handles 12 in a one-to-one correspondence mode through the hinge shafts, and when the forceps handles are pressed, the driving pieces push the connecting rod to move backwards, so that the head end of the connecting rod is immersed into an internal channel of the connecting rod.
As shown in fig. 4, the blocking jaw end 2 includes a jaw lever 21, a jaw seat 22, a movable lever 23, a spring 24, two jaw drive straps 25, a first jaw 26 and a second jaw 27. The first clamp and the second clamp have certain bending degree, and the surfaces of the clamps are relatively flat, so that the blood vessel can be conveniently blocked without damage.
The forceps head rod 21 is of a hollow structure, two connecting plates symmetrically extend out of two sides of the head end of the forceps head rod 21, and forceps head rod connecting holes 211 are symmetrically formed in the two connecting plates.
The movable rod 23 penetrates through an internal channel of the forceps head rod 21, the tail end of the movable rod 23 extends out of the forceps head rod 21, a movable rod joint part 231 is arranged at the tail end of the movable rod 23, and the movable rod joint part 231 is detachably connected with the connecting rod joint part 142. Specifically, the movable rod engagement portion 231 is a spherical structure, and the diameter of the spherical structure is larger than the diameter of the movable rod body. The connecting rod connecting part 142 is a groove with the diameter matched with the spherical structure, and the head end opening of the groove is used for placing the movable rod body. The movable bar engaging portion 231 and the connecting bar engaging portion 142 are detachably connected by placing the movable bar engaging portion of the spherical structure in the connecting bar engaging portion of the groove structure.
The first jaw 26 is provided with a first jaw connecting hole 262 at the rear end thereof, and a first jaw hinge hole 261 is provided on the first jaw 26 corresponding to the front end of the first jaw connecting hole 262. The second jaw 27 is provided with a second jaw connecting hole 272 at the rear end thereof, and a second jaw hinge hole 271 is provided on the second jaw 27 corresponding to the front end of the second jaw connecting hole 272. The first jaw hinge hole 261 and the second jaw hinge hole 271 are connected to the two jaw bar connection holes 211 by hinge shafts.
The first jaw connecting hole 262 is connected with one end of one jaw transmission piece 25 through a hinge, the second jaw connecting hole 272 is connected with one end of the other jaw transmission piece 25 through a hinge, and the other ends of the two jaw transmission pieces 25 are connected with the head end of the movable rod 23 through hinges.
The binding clip seat 22 is arranged at the tail end of the binding clip rod 21, the center of the binding clip seat 22 is provided with a hole, and the tail end of the movable rod 23 can penetrate through the center of the hole of the binding clip seat 22.
The head end of the movable rod 23 is further provided with a spring baffle 28, and the movable rod 23 between the spring baffle 28 and the tong head seat 22 is sleeved with a spring 24.
When the movable rod is not pulled, the movable rod pushes the tong head transmission piece under the action of the elastic force of the spring, and the first jaw and the second jaw are in a closed state through the transmission structure. When the movable rod is pulled, the spring is compressed, and the two forceps head transmission pieces move backwards to drive the first forceps holder and the second forceps holder to open.
When the blocking forceps are used, the blocking forceps end and the operating end are combined and connected, enter the abdominal cavity through an endoscope channel, the forceps handle is pressed after a proper position is found, the forceps holder is in an opening and closing state at the moment, the forceps handle can be loosened after a hepatic vein blood vessel is clamped, the blocking forceps end clamps the blood vessel through the action of the spring, the operating end and the blocking forceps end are separated, and the operating end is withdrawn from the endoscope. When the blocking forceps need to be taken out, the operation end and the blocking forceps end are combined and connected again, the forceps holder is pressed to loosen the forceps holder, and then the endoscope is withdrawn.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a laparoscopic hepatic vein blocks pincers which characterized in that: comprises an operation end (1) and a blocking clamp end (2);
the operating end (1) comprises an operating rod (11) and a connecting rod (14); the internal channel of the operating rod (11) penetrates through the connecting rod (14), the head end and the tail end of the connecting rod (14) both extend out of the operating rod (11), and the head end of the connecting rod (14) is provided with a connecting rod connecting part (142) which drives the connecting rod to move backwards so that the head end of the connecting rod can be submerged into the internal channel of the connecting rod;
the blocking clamp end (2) comprises a clamp head rod (21), a clamp head seat (22), a movable rod (23), a spring (24), two clamp head transmission pieces (25), a first clamp jaw (26) and a second clamp jaw (27);
the clamp head rod (21) is of a hollow structure, two connecting plates symmetrically extend out of two sides of the head end of the clamp head rod (21), and clamp head rod connecting holes (211) are symmetrically formed in the two connecting plates;
the movable rod (23) penetrates through an internal channel of the forceps head rod (21), the tail end of the movable rod (23) extends out of the forceps head rod (21), a movable rod connecting part (231) is arranged at the tail end of the movable rod (23), and the movable rod connecting part (231) is detachably connected with the connecting rod connecting part (142);
a first jaw connecting hole (262) is formed in the tail end of the first jaw (26), and a first jaw hinge hole (261) is formed in the first jaw (26) corresponding to the front end of the first jaw connecting hole (262);
a second jaw connecting hole (272) is formed in the tail end of the second jaw (27), and a second jaw hinge hole (271) is formed in the second jaw (27) corresponding to the front end of the second jaw connecting hole (272);
the first jaw hinge hole (261) and the second jaw hinge hole (271) are connected with the two jaw rod connecting holes (211) through hinge shafts;
the first forceps head connecting hole (262) is connected with one end of one forceps head driving piece (25) through a hinge shaft, the second forceps head connecting hole (272) is connected with one end of the other forceps head driving piece (25) through a hinge shaft, and the other ends of the two forceps head driving pieces (25) are connected with the head end of the movable rod (23) through hinge shafts;
the clamp head seat (22) is arranged at the tail end of the clamp head rod (21), a hole is formed in the center of the clamp head seat (22), and the body of the movable rod (23) can penetrate through the hole in the center of the clamp head seat (22);
a spring baffle (28) is further arranged at the head end of the movable rod (23), and a spring (24) is sleeved on the movable rod (23) between the spring baffle (28) and the forceps head seat (22);
when the movable rod is not pulled, the movable rod pushes against the tong head transmission piece under the action of the elastic force of the spring, and the first jaw and the second jaw are in a closed state; when the movable rod is pulled, the spring is compressed, and the two forceps head transmission pieces move backwards to drive the first forceps holder and the second forceps holder to open.
2. The laparoscopic hepatic vein occlusion clamp of claim 1, wherein: the operating end (1) also comprises two forceps handles (12) and two transmission pieces (13); two sides of the tail end of the operating rod (11) are connected with the head ends of the two forceps handles (12) through a hinge shaft; two sides of the tail end of the connecting rod (14) are connected with one ends of the two driving pieces (13) through hinge shafts, the other ends of the two driving pieces (13) are connected with the middle parts of the two forceps handles (12) in a one-to-one correspondence mode through the hinge shafts, and when the forceps handles are pressed, the driving pieces push the connecting rod to move backwards, so that the head end of the connecting rod is immersed into an internal channel of the connecting rod.
3. The laparoscopic hepatic vein occlusion clamp of claim 1, wherein: the movable rod joining part (231) is of a spherical structure, and the diameter of the spherical structure is larger than that of the movable rod body; the connecting rod joining part (142) is a groove with the diameter matched with that of the spherical structure, and the head end opening of the groove is used for placing the movable rod body; the movable rod joint part (231) and the connecting rod joint part (142) are detachably connected by placing the movable rod joint part with the spherical structure in the connecting rod joint part with the groove structure.
4. The laparoscopic hepatic vein occlusion clamp of claim 1, wherein: the first clamp (26) and the second clamp (27) are curved in an arc shape, and the abutting surfaces are flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121320982.4U CN216724646U (en) | 2021-06-15 | 2021-06-15 | Hepatic vein blocking forceps under laparoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121320982.4U CN216724646U (en) | 2021-06-15 | 2021-06-15 | Hepatic vein blocking forceps under laparoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216724646U true CN216724646U (en) | 2022-06-14 |
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ID=81908321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121320982.4U Active CN216724646U (en) | 2021-06-15 | 2021-06-15 | Hepatic vein blocking forceps under laparoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216724646U (en) |
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2021
- 2021-06-15 CN CN202121320982.4U patent/CN216724646U/en active Active
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