CN220001883U

CN220001883U - Puncture outfit for laparoscopic surgery

Info

Publication number: CN220001883U
Application number: CN202321229909.5U
Authority: CN
Inventors: 房鑫; 王静
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-11-14
Anticipated expiration: 2033-05-18

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a laparoscopic surgery puncture outfit, which comprises a puncture core assembly, a sleeve assembly and a ventilation ball valve assembly, wherein the puncture core assembly can be arranged in the sleeve assembly; and a plug can be installed in the installation hole after the vent ball valve assembly is detached. When the puncture outfits are used simultaneously in single-port laparoscopic surgery, the ventilation ball valve component of one puncture outfit is reserved, the ventilation ball valve components of other puncture outfits are disassembled and replaced into a plug, and the mutual interference of the puncture outfits is avoided. A plurality of surgical instruments and endoscopes can enter the abdominal cavity from the sleeves of a plurality of puncture outfits, abdominal cavity operation is carried out under the monitoring of the endoscopes, and each instrument normally reaches the operation position, so that the limitation is small, the operation of the surgical instruments is facilitated, and the operation is convenient, faster and better implemented. The components forming each assembly can be disassembled and disinfected after operation, so that the cleaning dead angle is prevented.

Description

Puncture outfit for laparoscopic surgery

Technical Field

The utility model relates to a puncture outfit for laparoscopic surgery, belonging to the technical field of medical appliances.

Background

The laparoscopic surgery is to operate surgical instruments outside the abdomen under the monitoring and guiding of a display screen through a laparoscope in a closed abdominal cavity, so as to finish the operations of probing, electrocoagulation, hemostasis, tissue separation, incision, suturing and the like of pathological tissues. Compared with the traditional open surgery, the method has the advantages of small wound, less complications, quick recovery and the like, and is widely applied.

In the prior art, a 2-4 hole operation method is mostly adopted in laparoscopic surgery, namely, a plurality of holes are formed in the abdomen for passing through surgical instruments and an endoscope, but the surgical wounds are more. Currently, single-hole laparoscopic surgery is mostly adopted, namely, only one puncture hole is formed, and all instruments pass through the single hole. However, in clinical work, the tail end of a conventional 5mm laparoscope puncture outfit is provided with a ventilation ball valve (a puncture core is extracted after the puncture is completed in surgery, the ball valve is opened to inject air into the abdominal cavity, pneumoperitoneum can be formed, pneumoperitoneum pressure is maintained, a working channel and a visual field are established for surgical instruments or endoscopes), and when a plurality of puncture outfits are applied together, the instruments are relatively concentrated due to the fact that the instruments are placed in the parts, the instruments interfere with each other, the operation is affected, and the surgery is difficult to complete smoothly.

In addition, the puncture outfit has a plurality of solid structures, the whole puncture outfit is heavy, the puncture outfit is not portable, and the operation flexibility is affected. Furthermore, the instrument structure is integrated, which has influence on the disinfection of the postoperative instrument and is easy to have dead angles. Finally, the outer wall of the sleeve is smooth, and is easy to deviate from in the operation process.

Disclosure of Invention

According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: a laparoscopic surgical puncture outfit is provided to solve the above problems.

The laparoscopic surgery puncture outfit comprises a puncture core assembly, a sleeve assembly and a ventilation ball valve assembly, wherein the puncture core assembly can be arranged in the sleeve assembly, and the ventilation ball valve assembly is detachably arranged in a mounting hole on the side wall of the sleeve assembly through threaded connection; and a plug can be installed in the installation hole after the vent ball valve assembly is detached.

When the puncture outfits are used simultaneously in single-port laparoscopic surgery, the ventilation ball valve component of one puncture outfit is reserved, the ventilation ball valve components of other puncture outfits are disassembled and replaced into a plug, and the mutual interference of the puncture outfits is avoided. A plurality of surgical instruments and endoscopes can enter the abdominal cavity from the cannulas of a plurality of puncture outfits, and the abdominal cavity operation is performed under the monitoring of the endoscopes, so that the use is convenient.

In the utility model, the puncture core assembly comprises a pressing cap, a core rod and a puncture tip, wherein the pressing cap is arranged at the head end of the core rod, the puncture tip is arranged at the tail end of the core rod, and the outer diameter of the puncture tip is equal to the outer diameter of the core rod.

Preferably, the core rod is of a hollow structure, so that the overall weight is reduced, the use is lighter, and the operation flexibility is improved; the puncture tip is of a solid structure, so that the structural strength is ensured, and the puncture performance is improved; the pressing cap and the puncture tip are detachably connected with the core rod through threads, so that the disassembly and the sterilization are convenient.

In the utility model, the sleeve assembly comprises a sleeve seat and a sleeve, wherein the sleeve seat is arranged at the top end of the sleeve, the mounting hole is arranged on the side wall of the sleeve seat, and the sleeve seat is detachably connected with the sleeve through threads.

Preferably, the top opening of the sleeve seat is provided with a plugging device, and when the ventilation ball valve assembly is used for ventilation inwards, gas leakage from the top opening of the sleeve seat is prevented.

Further, the sleeve seat comprises a seat head, an upper seat body and a lower seat body which are connected together through threads, and the lower seat body is connected with a sleeve; the seat head is made of magnetic stainless steel, and the upper seat body, the lower seat body and the sleeve are made of nonmagnetic stainless steel; the plugging device is a magnetic suction sheet which is positioned in an inner cavity of a sleeve seat consisting of a seat head, an upper seat body and a lower seat body and is adsorbed on a plane at the lower part of the seat head. When the puncture core assembly is placed, the magnetic suction sheet can be jacked up (as shown in fig. 7), and when the puncture core assembly is pulled out, the magnetic suction sheet can be automatically adsorbed on the plane of the lower part of the seat head (as shown in fig. 8), so that the purpose of automatic opening and closing is achieved.

Preferably, the middle part of the outer wall of the sleeve is provided with a plurality of annular bulges, so that friction resistance is increased and the sleeve is prevented from falling off in the operation process.

In the utility model, the ventilation ball valve assembly comprises a valve body, wherein two ends of the valve body are respectively provided with a sleeve seat joint and a ventilation pipe joint, and the sleeve seat joint is connected with a sleeve seat through threads; a rotatable valve core is arranged in the valve body, and one end of the valve core is connected with a rocker outside the valve body.

Further, the valve core is detachable, the valve core is cylindrical, a wire head is arranged at the other end of the valve core, the wire head protrudes out of the side wall of the valve body after the valve core is arranged in the valve body, and a nut is arranged on the wire head.

All parts of the sleeve assembly and the ventilation ball valve assembly are detachable, so that the sleeve assembly and the ventilation ball valve assembly can be conveniently disinfected after being detached.

Compared with the prior art, the utility model has the following beneficial effects:

when the laparoscopic surgery puncture outfit disclosed by the utility model is used for carrying out single-port laparoscopic surgery, the ventilation ball valve assembly of one puncture outfit is reserved and the ventilation ball valve assemblies of other puncture outfits are disassembled and replaced into a plug so as to avoid mutual interference of a plurality of puncture outfits. A plurality of surgical instruments and endoscopes can enter the abdominal cavity from the sleeves of a plurality of puncture outfits, abdominal cavity operation is carried out under the monitoring of the endoscopes, and each instrument normally reaches the operation position, so that the limitation is small, the operation of the surgical instruments is facilitated, and the operation is convenient, faster and better implemented. The components forming each assembly can be disassembled and disinfected after operation, so that the cleaning dead angle is prevented.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic structural view of a puncture core assembly;

FIG. 3 is a schematic structural view of a sleeve assembly;

FIG. 4 is a schematic structural view of a vent ball valve assembly;

FIG. 5 is a schematic illustration of a mounting plug on a casing assembly;

FIG. 6 is a schematic view of a plug;

FIG. 7 is a cross-sectional view of the overall structure of the present utility model;

FIG. 8 is a cross-sectional view of the puncture core assembly after withdrawal from the cannula assembly;

FIG. 9 is an exploded view of the puncture core assembly;

FIG. 10 is an exploded view of the sleeve assembly;

FIG. 11 is one of the exploded schematic views of the vent ball valve assembly;

FIG. 12 is a second schematic exploded view of the vent ball valve assembly.

In the figure: 1. a puncture core assembly; 11. pressing the cap; 12. a core bar; 13. a piercing tip; 14. an annular protrusion;

2. a sleeve assembly; 21. a seat head; 22. an upper base; 23. a lower base; 24. a sleeve; 25. a mounting hole; 26. plugging; 27. a magnetic attraction piece;

3. a vent ball valve assembly; 31. a valve body; 32. a cannula holder joint; 33. a vent tube joint; 34. a nut; 35. a rocker; 36. and a valve core.

Detailed Description

The utility model will be further illustrated with reference to specific examples.

However, the description of the present utility model is merely an embodiment of a structural or even functional description, and the scope of the claims of the present utility model is not limited by the embodiments described herein.

For example, the embodiments may have various modifications and various forms, and it is to be understood that the scope of the claims of the present utility model includes equivalents capable of realizing the technical idea.

As shown in fig. 1 to 12, the present embodiment is realized by the following technical scheme: the puncture core assembly 1 can be placed in the sleeve assembly 2, and the ventilation ball valve assembly 3 is detachably arranged in a mounting hole 25 on the side wall of the sleeve assembly 2 through threaded connection; a plug 26 is installed in the installation hole 25 after the vent ball valve assembly 3 is detached.

In this embodiment, the puncture core assembly 1 includes a pressing cap 11, a core rod 12, and a puncture tip 13, the pressing cap 11 is mounted at the head end of the core rod 12, the puncture tip 13 is mounted at the tail end of the core rod 12, and the outer diameter of the puncture tip 13 is equal to the outer diameter of the core rod 12. The core bar 12 is of a hollow structure, the puncture tip 13 is of a solid structure, and the pressing cap 11 and the puncture tip 13 are detachably connected with the core bar 12 through threads.

In this embodiment, the sleeve assembly 2 includes a sleeve holder and a sleeve 24, the sleeve holder is mounted on the top end of the sleeve 24, and a mounting hole 25 is provided on the sidewall of the sleeve holder, and the sleeve holder and the sleeve 24 are detachably connected by threads. The top opening of the sleeve seat is provided with a plugging device. The diameter of the sleeve seat is 10mm, the sleeve seat comprises a seat head 21, an upper seat body 22 and a lower seat body 23 which are connected together through threads, and the lower seat body 23 is connected with a sleeve 24; the seat head 21 is made of magnetic stainless steel, and the upper seat body 22, the lower seat body 23 and the sleeve 24 are made of nonmagnetic stainless steel; the plugging device is a magnetic suction piece 27, and the magnetic suction piece 27 is positioned in a sleeve seat inner cavity formed by the seat head 21, the upper seat body 22 and the lower seat body 23 and is adsorbed on the lower plane of the seat head 21. The diameter of the sleeve 24 is 5.5mm, and a plurality of annular bulges 14 are arranged at the middle part of the outer wall of the sleeve 24.

In this embodiment, the breather ball valve assembly 3 includes a valve body 31, two ends of the valve body 31 are respectively provided with a cannula seat joint 32 and a breather pipe joint 33, and the cannula seat joint 32 is connected with a cannula seat through threads; a rotatable valve core 36 is arranged in the valve body 31, and one end of the valve core 36 is connected with a rocker 35 outside the valve body 31. The valve core 36 is detachable, the valve core 36 is cylindrical, a wire head is arranged at the other end of the valve core 36, the wire head protrudes out of the side wall of the valve body 31 after the valve core 36 is arranged in the valve body 31, and a nut 34 is arranged on the wire head.

When the puncture outfits are used simultaneously in single-port laparoscopic surgery, the ventilation ball valve component of one puncture outfit is reserved, the ventilation ball valve components of other puncture outfits are disassembled and replaced into a plug, and the mutual interference of the puncture outfits is avoided. A plurality of surgical instruments and endoscopes can enter the abdominal cavity from the cannulas of a plurality of puncture outfits, and the abdominal cavity operation is performed under the monitoring of the endoscopes, so that the use is convenient. The core bar is of a hollow structure, so that the overall weight is reduced, the use is lighter, and the operation flexibility is improved; the puncture tip is of a solid structure, so that the structural strength is ensured, and the puncture performance is improved. The components forming each assembly can be disassembled and disinfected after operation, so that the cleaning dead angle is prevented.

Of course, the foregoing is merely preferred embodiments of the present utility model and is not to be construed as limiting the scope of the embodiments of the present utility model. The present utility model is not limited to the above examples, and those skilled in the art will appreciate that the present utility model is capable of equally varying and improving within the spirit and scope of the present utility model.

Claims

1. The laparoscopic surgery puncture outfit is characterized by comprising a puncture core assembly (1), a sleeve assembly (2) and a ventilation ball valve assembly (3), wherein the puncture core assembly (1) can be placed in the sleeve assembly (2), and the ventilation ball valve assembly (3) is detachably arranged in a mounting hole (25) on the side wall of the sleeve assembly (2) through threaded connection; a plug (26) can be arranged in the mounting hole (25) after the vent ball valve assembly (3) is detached.

2. The laparoscopic surgery puncture outfit according to claim 1, wherein the puncture core assembly (1) comprises a pressing cap (11), a core rod (12) and a puncture tip (13), the pressing cap (11) is installed at the head end of the core rod (12), the puncture tip (13) is installed at the tail end of the core rod (12), and the outer diameter of the puncture tip (13) is equal to the outer diameter of the core rod (12).

3. The laparoscopic surgical puncture outfit according to claim 2, wherein the core rod (12) has a hollow structure, the puncture tip (13) has a solid structure, and the pressing cap (11) and the puncture tip (13) are detachably connected with the core rod (12) through threads.

4. The laparoscopic surgical puncture outfit according to claim 1, wherein the cannula assembly (2) comprises a cannula holder and a cannula (24), the cannula holder is mounted on the top end of the cannula (24), the mounting hole (25) is provided on the sidewall of the cannula holder, and the cannula holder and the cannula (24) are detachably connected through threads.

5. The laparoscopic surgical punch according to claim 4, wherein the cannula holder is provided with a plugging device at a top opening thereof.

6. The laparoscopic surgical puncture outfit according to claim 5, wherein the cannula holder comprises a holder head (21), an upper holder body (22) and a lower holder body (23) which are connected together by screw threads, and the lower holder body (23) is connected with a cannula (24); the seat head (21) is made of magnetic stainless steel, and the upper seat body (22), the lower seat body (23) and the sleeve (24) are made of nonmagnetic stainless steel; the plugging device is a magnetic suction sheet (27), and the magnetic suction sheet (27) is positioned in a sleeve seat inner cavity formed by a seat head (21), an upper seat body (22) and a lower seat body (23) and is adsorbed on the lower plane of the seat head (21).

7. The laparoscopic surgical puncture outfit according to claim 6, wherein a plurality of annular protrusions (14) are provided at the middle portion of the outer wall of the cannula (24).

8. The laparoscopic surgical puncture outfit according to claim 1, wherein the vent ball valve assembly (3) comprises a valve body (31), and a cannula seat joint (32) and a vent pipe joint (33) are respectively arranged at two ends of the valve body (31), and the cannula seat joint (32) is connected with the cannula seat through threads; a rotatable valve core (36) is arranged in the valve body (31), and one end of the valve core (36) is connected with a rocker (35) outside the valve body (31).

9. The laparoscopic surgical puncture outfit according to claim 8, wherein the valve core (36) is detachable, the valve core (36) is cylindrical, a wire head is arranged at the other end of the valve core (36), the wire head protrudes out of the side wall of the valve body (31) after the valve core (36) is arranged in the valve body (31), and a nut (34) is arranged on the wire head.