CN218356328U

CN218356328U - Combined laparoscope puncture outfit

Info

Publication number: CN218356328U
Application number: CN202221657224.6U
Authority: CN
Inventors: 权昌益
Original assignee: SECOND HOSPITAL OF TIANJIN MEDICAL UNIVERSITY
Current assignee: SECOND HOSPITAL OF TIANJIN MEDICAL UNIVERSITY
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2023-01-24
Anticipated expiration: 2032-06-29

Abstract

The utility model provides a modular peritoneoscope puncture ware relates to wicresoft type surgical instruments technical field, and this peritoneoscope puncture ware includes puncture sleeve pipe, puncture rod and seal assembly, and the puncture sleeve pipe includes the outer tube and locates the tube head of outer tube tip, and the puncture rod includes the needle tubing and locates the handle and the needle point at needle tubing both ends respectively, and seal assembly is disposable, and can dismantle the lock at the upside of tube head, is equipped with air inlet and outlet channel on the seal assembly. The utility model discloses a seal assembly is disposable, and can dismantle the lock at the upside of tube head, the last air intake and exhaust passageway that is equipped with of seal assembly, during the use, the needle tubing can insert or take out from seal assembly, tube head and outer tube to make the handle can dismantle the lock at seal assembly's upside when inserting, and make the needle point can expose the bottom of outer tube, because the utility model discloses a seal assembly can dismantle the lock on the tube head, and for disposable, the event is at every turn used up the back, can directly change.

Description

Combined laparoscope puncture outfit

Technical Field

The utility model belongs to the technical field of the minimal access type surgical instruments technique and specifically relates to a modular peritoneoscope puncture ware is related to.

Background

The puncture outfit for laparoscope is mainly used for penetrating the whole abdominal wall to establish a passage between the outside and the abdominal cavity, so that surgical instruments enter the abdominal cavity through a sheath tube of the puncture outfit to complete the surgical process and achieve the purpose of open surgery.

The existing abdominal cavity puncture outfit mainly comprises a puncture rod, a sealing valve and a puncture sleeve, wherein the puncture rod, the sealing valve and the puncture sleeve are generally combined together, the puncture rod is utilized to puncture the puncture sleeve into an abdominal cavity from the skin of a human body, and an artificial pneumoperitoneum is established through the sealing valve on the puncture sleeve; after the puncture rod is taken out, the sealing valve and the puncture sleeve form an operation channel, and the surgical instrument passes through the sealing valve and the puncture sleeve and is inserted into the abdominal cavity to perform laparoscopic operation.

At present, the metal laparoscope puncture outfit on the market can be reused, but the problems that the puncture outfit cap is not thoroughly sterilized, is not easy to clean, leaks air after being reused and the like exist.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a combined laparoscope puncture device to solve the technical problems of the laparoscope puncture device adopted in the prior art that the puncture device cap is used repeatedly, and the defects of incomplete disinfection, difficult cleaning, easy air leakage, etc. exist.

In order to realize the above object, the utility model provides a modular peritoneoscope puncture ware, including puncture sleeve pipe, puncture rod and seal assembly, puncture sleeve pipe includes the outer tube and locates the tube head of outer tube tip, puncture rod includes the needle tubing and locates respectively the handle and the needle point at needle tubing both ends, seal assembly is disposable, and can dismantle the lock and be in the upside of tube head, the last admission exhaust passageway that is equipped with of seal assembly, the needle tubing can insert or take out from seal assembly the tube head with the outer tube to make when inserting the lock can be dismantled to the handle is in seal assembly's upside, and make the needle point can expose the bottom of outer tube.

According to an optional embodiment, the tube head and the outer tube are integrally formed, and are cup-shaped, have a diameter larger than the outer tube, and have a top edge that protrudes outward.

According to an alternative embodiment, a through-passage is provided in the sealing assembly, said through-passage extending from one end of the sealing assembly to the opposite end, said needle cannula being passable through said through-passage.

According to an optional implementation mode, the sealing assembly comprises a buckling part and an exposed part arranged above the buckling part, the penetrating channel extends to the buckling part from the exposed part, the exposed part and the buckling part are integrally formed, the diameter of the exposed part is larger than that of the buckling part, and the air inlet and outlet channel is arranged on the exposed part.

According to an optional implementation mode, the exposed part is provided with a buckling piece used for fixing the buckling part on the tube head.

According to an optional implementation mode, the exposed part is provided with an air inlet and outlet hole which is communicated with the air inlet and outlet channel.

According to an optional implementation mode, a control valve used for controlling whether the air inlet and outlet holes are communicated is arranged on the air inlet and outlet holes.

According to an optional embodiment, the exposed portion and the buckling portion are provided with double-layer leakage blocking valves.

According to an optional embodiment, the middle lower part of the outer pipe is provided with a section of external thread, and the external thread is a stepped annular thread, or a spiral fine thread, or a spiral coarse thread with a triangular or rectangular cross section.

According to an alternative embodiment, the needle tip is provided as a blunt tip.

The utility model provides a combination formula peritoneoscope puncture ware has following technological effect:

this kind of modular peritoneoscope puncture ware, compare with traditional peritoneoscope puncture ware, the same is, all include the puncture sleeve pipe, puncture rod and seal assembly, the puncture sleeve pipe includes the outer tube and locates the tube head of outer tube tip, the puncture rod includes the needle tubing and locates the handle and the needle point at needle tubing both ends respectively, compare with traditional peritoneoscope puncture ware, the difference is, the utility model discloses a seal assembly is disposable article for use, and can dismantle the lock at the tube head upside, the last admission and exhaust passageway that is equipped with of seal assembly, during the use, the needle tubing can insert or take out from seal assembly, tube head and outer tube, and make the handle can dismantle the lock at seal assembly's upside when inserting, and make the needle point can expose the bottom of outer tube, because the utility model discloses a seal assembly can dismantle the lock on the tube head, and be disposable article for use, so after every time using up, can directly change, simultaneously the utility model discloses an admission and exhaust passageway is on seal assembly, when satisfying the operation pneumoperitoneum and establish the requirement, disposable change has also avoided wasing repeatedly, the gas tightness that leads to lead to descend and cross infection, owing to use again, has reduced the cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a combined laparoscope puncture device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a puncture cannula of the combined laparoscopic puncture instrument of FIG. 1;

FIG. 3 is a schematic view of a seal assembly of the modular laparoscopic puncture instrument of FIG. 1;

FIG. 4 is a partial cross-sectional view of the seal assembly of FIG. 3;

fig. 5 is a schematic structural view of a puncture rod of the combined laparoscopic puncture instrument of fig. 1.

Wherein, fig. 1-5:

1. puncturing a cannula; 11. an outer tube; 111. an external thread; 12. a tube head;

2. a seal assembly; 21. an exposed portion; 211. an air inlet and outlet hole; 212. a control valve; 213. a fastener; 22. a fastening part; 23. a double-layer leakage-proof valve;

3. a puncture rod; 31. a needle tube; 32. a handle; 33. a needle tip.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

As described in the background art, the metal laparoscope puncture outfit in the prior art can be reused, but the problems that the puncture outfit cap is not thoroughly sterilized, is not easy to clean, leaks air after being repeatedly used and the like exist.

Based on this, the utility model provides a modular peritoneoscope puncture ware compares with traditional peritoneoscope puncture ware, and the difference is, the utility model discloses a seal assembly is disposable, and can dismantle the lock at the upside of tube head, the last admission and exhaust passageway that is equipped with of seal assembly, during the use, the needle tubing can insert or take out seal assembly, tube head and outer tube, and make the handle can dismantle the lock at seal assembly's upside when inserting, and make the needle point can expose the bottom of outer tube, because the utility model discloses a seal assembly can dismantle the lock on the tube head, and be disposable, so every time use up the back, can directly change, simultaneously the utility model discloses an admission and exhaust passageway is on seal assembly, when satisfying the operation pneumoperitoneum and establish the requirement, disposable change has also avoided wasing repeatedly, the disinfection, and the gas tightness that leads to descends and cross infection, again because puncture sleeve pipe and puncture pole use repeatedly, the cost is reduced.

The technical solution of the present invention is described in detail with reference to specific embodiments.

Example 1:

as shown in fig. 1, the combined type laparoscopic puncture instrument of the present embodiment includes: a puncture cannula 1, a puncture rod 3 and a sealing assembly 2.

It should be noted that the puncture cannula 1 can receive the sealing assembly 2 for performing abdominal procedures. During operation, the puncture cannula 1, the puncture rod 3 and the sealing component 2 are assembled into an integrated instrument to be inserted into an abdominal cavity, and then the puncture rod 3 is pulled out to enable the sealing component 2 and the puncture cannula 1 to form an integrated operation channel. Wherein the sealing assembly 2 is located outside the patient's abdominal cavity and the puncture cannula 1 is partly inserted into the patient's abdominal cavity and partly left outside the patient's abdominal cavity.

Referring to fig. 2, the puncture cannula 1 includes an outer tube 11 and a tip 12 provided at the top end of the outer tube 11.

The outer tube 11 comprises two sizes, including 12mm and 5mm, and meets the passing requirements of various instruments.

In the operation, the middle-lower tube of the outer tube 11 is inserted into the abdominal cavity of the patient, and a part of the top tube of the outer tube 11 remains outside the abdominal cavity of the patient. Wherein the bottom of the outer tube 11 can be understood in relation to the cartridge 12 at the top end of the outer tube 11. The tip 12 provided at the top end of the outer tube 11 remains outside the abdominal cavity of the patient during the operation.

Specifically, referring to fig. 1-2, the lower middle portion of the outer tube 11 is provided with a section of external threads 111. The external thread 111 is a stepped annular thread, or a spiral fine thread, or a spiral coarse thread having a triangular or rectangular cross section.

It should be noted that, compared with the conventional metal puncture outfit, the thread structure is added to the middle-lower portion of the outer tube 11 in the present embodiment, the thread structure is preferably the external thread 111, and the external thread 111 can be tightly attached to the abdominal muscle tissue, so that the relative movement between the outer tube 11 and the muscle tissue can be reduced, and the outer tube is not easily removed from the incision.

More specifically, referring to fig. 1-2, tip 12 is integrally formed with outer tube 11, tip 12 is cup-shaped and has a diameter greater than that of outer tube 11, and the top edge of tip 12 is convex for retaining seal assembly 2.

Example 2:

In the operation, the middle-lower tube of the outer tube 11 is inserted into the abdominal cavity of the patient, and a part of the top tube of the outer tube 11 remains outside the abdominal cavity of the patient. Wherein the bottom of the outer tube 11 can be understood in relation to the cartridge 12 at the top end of the outer tube 11. The tip 12 provided at the top end of the outer tube 11 is left outside the abdominal cavity of the patient during the operation.

Specifically, referring to fig. 1-2, the pipe head 12 is integrally formed with the outer tube 11, the pipe head 12 is cup-shaped and has a diameter larger than that of the outer tube 11, and the top edge of the pipe head 12 protrudes outward to clamp the sealing assembly 2.

More specifically, referring to fig. 3-4, the sealing assembly 2 is a disposable article, and is detachably mounted on the tube head 12, and includes a fastening portion 22 and an exposed portion 21, the fastening portion 22 is used for fastening into the tube head 12, the exposed portion 21 is used for exposing outside the tube head 12, both the fastening portion 22 and the exposed portion 21 are annular structures and are integrally formed, the central communicating passage is a through passage, the through passage is used for passing through the needle tube 31, and the diameter of the exposed portion 21 is significantly larger than that of the fastening portion 22.

It should be noted that the sealing assembly 2 is a disposable product, which does not need to be cleaned and sterilized, thereby ensuring the safety of medical sterilization and avoiding the occurrence of cross infection.

Referring to fig. 1 and 3, the exposed portion 21 is provided with an air inlet and outlet hole 211, the air inlet and outlet hole 211 extends into the exposed portion 21 to form an air inlet and outlet channel, and the air inlet and outlet channel is used for meeting the requirement of abdomen establishment in an operation.

It should be noted that the utility model discloses an intake and exhaust passageway is located seal assembly 2, compares on being located tube head 12 among the prior art, because puncture sleeve pipe 1 is non-disposable article, washs many times and leads to the leakproofness to reduce easily, influences the establishment of pneumoperitoneum, and the utility model discloses to advance exhaust passageway and install on seal assembly 2, because seal assembly 2 is disposable article, puncture sleeve pipe 1 is made by metal material, and for non-disposable article, the gas leakage phenomenon exists in the used repeatedly.

Referring to fig. 1 and 3, the exposed portion 21 is provided with a latch 213.

It should be noted that the locking member 213 is preferably a spring lock, the spring lock is mounted on the exposed portion 21, the structure of the spring lock is common in the prior art, and the description of the structure is omitted here, and the main function of the locking member is to lock the spring lock on the edge of the tube head 12 when the locking portion of the sealing assembly 2 is sleeved into the tube head 12, so as to prevent the sealing assembly 2 from falling off from the tube head 12.

Referring to fig. 1 and 3, a control valve 212 is provided on the air inlet and outlet hole 211.

It should be noted that the main function of the control valve 212 is to control whether the air inlet and outlet holes 211 are communicated, when air inlet is needed, the control valve 212 on the air inlet and outlet holes 211 is opened, and the air inlet and outlet holes 211 are communicated with the airbag, so that air is continuously fed to form a pneumoperitoneum, and the same operation is performed during air outlet.

Example 3:

In the operation, the middle-lower tube of the outer tube 11 is inserted into the abdominal cavity of the patient, and a part of the top tube of the outer tube 11 remains outside the abdominal cavity of the patient. Wherein the bottom of the outer tube 11 can be understood in relation to the tip 12 of the top end of the outer tube 11. The tip 12 provided at the top end of the outer tube 11 remains outside the abdominal cavity of the patient during the operation.

It should be noted that the sealing assembly 2 is a disposable article, which does not need to be cleaned and sterilized, thereby ensuring the safety of medical sterilization and avoiding the occurrence of cross infection.

It should be noted that the utility model discloses an intake and exhaust passageway is located seal assembly 2, compares on being located tube head 12 among the prior art, because puncture sleeve pipe 1 is non-disposable article, washs many times and leads to the leakproofness to reduce easily, influences the establishment of pneumoperitoneum, and the utility model discloses install intake and exhaust passageway on seal assembly 2, because seal assembly 2 is disposable article, puncture sleeve pipe 1 is made by metal material, and for non-disposable article, the existence gas leakage phenomenon of using repeatedly.

Referring to fig. 1 and 3, the exposed portion 21 is provided with a latch 213.

It should be noted that the main function of the control valve 212 is to control whether the air inlet and outlet holes 211 are communicated, when air inlet is needed, the control valve 212 on the air inlet and outlet holes 211 is opened, the air inlet and outlet holes 211 are communicated with the airbag, the air is continuously fed to form an air cavity, and the operation is the same when air outlet is needed.

More specifically, referring to fig. 4, a double-layer leakage blocking valve 23 is provided on each of the exposed portion 21 and the fastening portion 22.

It should be noted that, the double-layer leakage-blocking valve 23 extends from the exposed portion 21 to the buckling portion 22, is made of a soft material, can find deformation, and is installed on the buckling portion 22 and the exposed portion 21, so that air leakage when instruments enter and exit can be effectively prevented, thereby ensuring the pressure of the abdominal cavity in the operation and ensuring the safe and smooth operation.

Example 4:

It should be noted that the puncture cannula 1 can receive the sealing assembly 2 for performing abdominal procedures. During operation, the puncture cannula 1, the puncture rod 3 and the sealing component 2 are assembled into an integrated instrument to be inserted into an abdominal cavity, and then the puncture rod 3 is pulled out to enable the sealing component 2 and the puncture cannula 1 to form an integrated operation channel. Wherein the sealing assembly 2 is located outside the patient's abdominal cavity and the puncture cannula 1 is partly inserted into the patient's abdominal cavity while another part remains outside the patient's abdominal cavity.

Referring to fig. 2, the puncture cannula 1 comprises an outer tube 11 and a tip 12 arranged at the top end of the outer tube 11.

Referring to fig. 1 and 3, the exposed portion 21 is provided with a latch 213.

It should be noted that the locking member 213 is preferably a spring lock, and the spring lock is installed on the exposed portion 21, the structure of the spring lock is common in the prior art, and the structure thereof is not described herein, and the main function thereof is to lock the spring lock on the edge of the tube head 12 when the locking portion of the sealing assembly 2 is inserted into the tube head 12, so as to prevent the sealing assembly 2 from falling off from the tube head 12.

More specifically, as shown in fig. 5, the puncture rod 3 includes a needle tube 31, and a handle 32 and a needlepoint 33 provided at both ends of the needle tube 31, respectively.

The needle cannula 31 can be inserted into or withdrawn from the sealing assembly 2, the tip 12 and the outer tube 11, and when inserted, the handle 32 can be detachably snapped on the upper side of the sealing assembly 2, and the needle tip 33 can be exposed from the bottom end of the outer tube 11 and can be used for puncturing abdominal muscle tissue.

As shown in FIG. 5, the needle tip 33 is blunt, and the blunt design greatly reduces the possibility of intestinal tract injury.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a modular peritoneoscope puncture ware, includes puncture sleeve pipe, puncture rod and seal assembly, a serial communication port, puncture sleeve pipe includes the outer tube and locates the tube head of outer tube tip, puncture rod includes the needle tubing and locates respectively the handle and the needle point at needle tubing both ends, seal assembly is disposable, and can dismantle the lock and be in the upside of tube head, be equipped with into exhaust gas passageway on the seal assembly, the needle tubing can insert or take out seal assembly the tube head with the outer tube to make when inserting the lock can be dismantled to the handle is in seal assembly's upside, and make the needle point can expose the bottom of outer tube.

2. The modular laparoscopic puncture instrument of claim 1, wherein said tip is formed integrally with said outer tube, and is in the form of a cup, has a larger diameter than said outer tube, and has a convex top edge.

3. The modular laparoscopic puncture instrument of claim 2, wherein said seal assembly has a through passage extending from one end of said seal assembly to an opposite end, said needle cannula being passable through said through passage.

4. The combined laparoscope puncture outfit of claim 3, wherein the sealing assembly comprises a buckling part and an exposed part arranged above the buckling part, the through channel extends from the exposed part to the buckling part, the exposed part and the buckling part are integrally formed, the diameter of the exposed part is larger than that of the buckling part, and the air inlet and outlet channel is arranged on the exposed part.

5. The combined laparoscopic puncture instrument of claim 4, wherein said exposed portion is provided with a locking member for fixing said locking portion to said tube head.

6. The combined laparoscope puncture outfit of claim 4, wherein the exposed part is provided with an air inlet and an air outlet, and the air inlet and the air outlet are communicated with the air inlet and the air outlet channel.

7. The combined type laparoscope puncture outfit as claimed in claim 6, wherein the air inlet and outlet holes are provided with control valves for controlling the air inlet and outlet holes to be communicated.

8. The combined laparoscopic puncture instrument of claim 4, wherein a double layer leak-proof valve is provided on both said exposed portion and said fastening portion.

9. The combined type laparoscopic puncture instrument according to any one of claims 1 to 8, wherein a section of external thread is provided at a middle lower portion of the outer tube, and the external thread is a stepped annular thread, or a spiral fine thread, or a spiral coarse thread having a triangular or rectangular cross section.

10. The modular laparoscopic puncture instrument of claim 1, wherein said needle tip is configured as a blunt tip.