CN217853087U

CN217853087U - Multiple safety protection's peritoneoscope operation sealing system

Info

Publication number: CN217853087U
Application number: CN202221479998.4U
Authority: CN
Inventors: 郭琪; 陈熙
Original assignee: Nanjing Xinke Medical Instrument Co ltd
Current assignee: Nanjing Xinke Medical Instrument Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-11-22
Anticipated expiration: 2032-06-14

Abstract

The utility model relates to a peritoneoscope operation sealing system of multiple safety protection, including multichannel seal, puncture sleeve pipe and protective sheath, the multichannel seal include the base and with the upper portion fixed connection's of base seal, the base with the connection can be dismantled to the protective sheath, puncture sleeve pipe is inserted and is established on the seal, puncture sleeve pipe comprises sleeve pipe lid, upper casing, lower casing, seal valve, protection gasket and choke valve. The puncture sleeve has a double-air-tightness structure so as to solve the problems that the puncture sleeve has insufficient air leakage due to insufficient tightness, an easily sealed valve is easy to puncture and the like in the operation process.

Description

Laparoscope operation sealing system with multiple safety protection

Technical Field

The utility model relates to the field of medical equipment, concretely relates to peritoneoscope operation sealing system of multiple safety protection.

Background

The laparoscopic single-port surgery is to cover an incision by utilizing a natural scar umbilical orifice of a human body and carry out the surgery by placing a laparoscope and surgical instruments. Compared with the traditional porous laparoscopic surgery, the wound is small, the recovery is fast, and the postoperative cosmetic effect is good, so that the laparoscopic single-hole surgery is a hot spot in the surgical field and clinical application at present. Most of the existing laparoscopic puncture outfits are made of silica gel materials, and due to the characteristics of the silica gel materials, the positions and the number of the surgical instruments entering the laparoscopic puncture outfits are fixed and can not be changed. For example, chinese patent CN201721490982 discloses a floating type multi-channel laparoscopic surgery access platform, which comprises an opening protector and an upper cover, wherein the upper cover comprises an upper sealing body, a flexible sealing body and a lower sealing body, the flexible sealing body is a cylindrical structure, the upper sealing body is connected with the lower sealing body through the flexible sealing body, and the lower sealing body is connected with the opening protector. The access channel of the product is fixedly connected with the upper sealing body in the modes of injection molding, thermosetting, gluing, thermal welding and the like. Therefore, the position of the puncture outfit is fixed and can not be changed freely. When the sealing valve is punctured due to improper operation in the operation process, the puncture cannula cannot be replaced, and air leakage of the puncture cannula can be caused.

Disclosure of Invention

In view of the above analysis, the present application aims to provide a multiple safety protection laparoscopic sealing system, so as to solve the problems that the existing laparoscopic operating platform has poor sealing performance, and the puncture cannula is easily punctured, etc.

The purpose of the application is mainly realized by the following technical scheme:

the utility model provides a peritoneoscope operation sealing system of multiple safety protection, includes multichannel seal, puncture sleeve pipe and protective sheath, the multichannel seal include the base and with the upper portion fixed connection's of base seal, the base with the connection can be dismantled to the protective sheath, puncture sleeve pipe is inserted and is established on the seal puncture the intraductal choke valve that is provided with of sleeve pipe.

The purpose of the application can be further realized by the following technical scheme:

in one embodiment, the puncture cannula includes a cannula cover, an upper cannula, a lower cannula, a sealing valve, and a puncture needle for piercing the seal body to facilitate insertion of the puncture cannula into the seal body.

In a preferred embodiment, the sealing valve and the upper sleeve are connected by the sleeve cover.

In a more preferred embodiment, the sleeve cover is provided with a positioning column, the sealing valve and the upper sleeve are provided with positioning holes, and the positioning column is in interference fit connection with the positioning holes.

In a further preferred embodiment, a slip-off prevention element is arranged on the outside of the lower casing.

In a preferred embodiment, the choke valve is disposed within and fixedly connected to the lower sleeve.

In a more preferred embodiment, the choke valve is a one-way valve.

In a preferred embodiment, the puncture cannula further comprises a protective gasket, which is arranged inside the sealing valve and fixedly connected to the sealing valve.

In a more preferred embodiment, the bottom end of the protective shim covers the sealing valve.

In one embodiment, the multiple safety protection laparoscopically operated sealing system further comprises an air duct composed of a two-way valve, a connecting duct and a channel, wherein the two-way valve is arranged at one end of the connecting duct, the other end of the connecting duct is connected with one end of the channel, and the other end of the channel is inserted into the sealing body.

In a preferred embodiment, two ventilation ducts are inserted in the sealing body, one ventilation duct being used for ventilation and the other ventilation duct being used for smoke evacuation.

In one embodiment, a buckle is fixedly connected to the side surface of the base, and the protective sleeve is detachably connected with the base through the buckle.

Compared with the prior art, the laparoscope operation sealing system has at least one of the following beneficial effects:

(1) In order to ensure the sealing performance and the safety in the operation process, the air blocking valve and the protective gasket are additionally arranged in the puncture cannula, and the sealing valve and the air blocking valve arranged in the puncture cannula jointly form a double-air-tightness structure, so that the sealing performance of an operating system is enhanced, and the air leakage of surgical instruments when passing through the puncture cannula is ensured. The sealing valve is provided with a sealing sleeve, and the sealing sleeve is provided with a sealing gasket which is arranged in the sealing valve and covers the inner surface of the sealing valve, so that the sealing valve is protected from being punctured when the puncture needle and the surgical instrument are inserted into the puncture sleeve, and the puncture sleeve is ensured not to leak air after the surgical instrument is inserted.

(2) The positioning column is arranged on the sleeve cover of the puncture sleeve, the positioning holes are formed in the sealing valve and the upper sleeve, the positioning column is in interference fit connection with the positioning holes, the sealing performance of the operating system is enhanced, the sealing valve is fixed at the position of the upper sleeve, and the sealing valve is guaranteed not to shift in the operation process of the surgical instrument.

(3) Set up at least one air duct on the seal, this air duct can be used to ventilate and discharge fume, is convenient for connect pneumoperitoneum machine in the operation process and injects gas and exhaust in order to supply the laparoscopic surgery, has solved among the prior art that the air inlet is sheltered from by the seal, and the air input is not enough, does not have smoke exhaust function scheduling problem.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

Fig. 1 is a schematic view of an overall structure of a laparoscopic sealing system according to a first embodiment of the present invention.

Fig. 2a and 2b are schematic structural views of a puncture cannula according to a first embodiment of the present invention.

Fig. 3 is a schematic structural view of a multi-channel sealing body according to a first embodiment of the present invention.

Fig. 4 is a schematic view of the overall structure of a sealing system for laparoscopic operation according to a second embodiment of the present invention.

Fig. 5a is a schematic view of a lower casing structure of a puncture casing according to a second embodiment of the present invention.

FIG. 5b is a schematic view of the connection structure of the sealing valve, the sleeve cover and the upper sleeve according to the second embodiment of the present invention。

Fig. 6 is a schematic structural view of a multi-channel sealing body according to the second embodiment of the present invention.

Fig. 7 is a schematic structural view of an air duct according to a second embodiment of the present invention.

Reference numerals are as follows:

1. puncturing a cannula; 2. a multi-channel seal body; 3. a protective sleeve; 4. an air duct; 11. a sleeve cover; 12. sleeving a sleeve; 13. setting a sleeve; 14. a sealing valve; 15. puncturing needle; 16. a protective pad; 17. a choke valve; 21. buckling; 22. a base; 23. a seal body; 41. a two-way valve; 42. connecting a pipeline; 43. a channel; 111. a positioning column; 121. positioning holes of the upper sleeve; 131. a drop-off prevention member; 141. and sealing the valve positioning hole.

Detailed Description

The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, which form a part hereof, illustrate, by way of example, the principles of the invention and do not limit the scope of the invention.

Example one

A specific embodiment of this application discloses a multiple safety protection's peritoneoscope operation sealing system, as shown in fig. 1, including puncture cannula 1, multichannel seal 2 and protective sheath 3, multichannel seal 2 include base 22 and with base 22's upper portion fixed connection's seal 23, base 22 with the connection can be dismantled to protective sheath 3, puncture cannula 1 is inserted and is established on seal 23, as shown in fig. 2a and 2b, puncture cannula 1 includes cannula cover 11, upper cannula 12, lower cannula 13, sealing valve 14, pjncture needle 15 and choke valve 17, pjncture needle 15 is used for perforate on the seal 23, so that will puncture cannula 1 inserts seal 23. The sleeve cover 11 and the upper sleeve 12 may be integrally formed by injection molding, thermosetting, or the like, or may be connected by gluing, thermal welding, or the like. The upper casing 12 and the lower casing 13 may be integrally formed by molding, thermosetting, etc., or may be connected by gluing, heat welding, etc. The sealing valve 14 is disposed inside the upper sleeve 12 and fixed to the sleeve cover 11 and the upper sleeve 12 by gluing. The sealing valve 14 seals the surgical instrument after it has entered the seal 23 through the puncture cannula 1, preventing air leakage. The choke valve 17 is arranged in the lower sleeve 13 and is fixedly connected to the lower sleeve 13 by gluing, heat welding or the like. The choke valve 17 is a one-way valve. In operation, a surgical instrument penetrates through the hole in the middle of the sleeve cover 11, and the sealing valve 14 wraps the instrument when the surgical instrument passes through the hole, so that the instrument cannot leak air after being inserted into the puncture sleeve 1; in the case of the surgical instrument being extracted and the surgical instrument not being inserted, the choke valve 17 is closed, avoiding the occurrence of air leakage. The sealing valve 14 and the choke valve 17 arranged in the puncture cannula 1 jointly form a double-airtightness structure, so that the tightness of an operating system is enhanced, and the surgical instrument is ensured to be airtight when passing through the puncture cannula.

As shown in fig. 3, the multi-channel sealing body 2 includes a base 22 and a sealing body 23 fixedly connected to an upper portion of the base 22, a buckle 21 is fixedly connected to a side of the base 22, in an embodiment, the buckle 21 and the base 22 are connected by a bolt, the sealing body 23 and the base 22 are combined together by a high-temperature hot-pressing integral injection molding method, the protective sleeve 3 is detachably connected to the base 22 by the buckle 21, the sealing body 23 and the base 22 are tightly combined and are not easy to fall off, and the protective sleeve 3 and the multi-channel sealing body 2 are tightly combined and are not easy to fall off, so that the air tightness is good. The puncture cannula 1 is inserted into the sealing body 23. The sealing body 23 is fixedly connected to the puncture cannula 1 by insertion.

In operation, the puncture cannula 1 is first inserted from the top of the sealing body 23 after the sealing body 23 is pierced by the puncture needle 15 until the lower cannula 13 comes out of the lower end of the sealing body 23. The surgical instrument enters the human body for operation through the puncture cannula 1.

Example two

In another embodiment of the present application, a multiple safety protection laparoscopic procedure seal system is disclosed, as shown in fig. 4, comprising a puncture cannula 1, a multi-channel seal 2, a protective sheath 3 and an air vent tube 4, said puncture cannula 1 being inserted into said seal 23. The sealing body 23 is fixedly connected with the puncture cannula 1 by insertion, and the sealing body 23 is an elastic body, so that after the puncture cannula 1 is inserted into the sealing body 23, the sealing body 23 can tightly wrap the puncture cannula 1 to fix the puncture cannula 1. In order to facilitate the insertion and extraction of the surgical instrument, a plurality of puncture cannulas 1 can be arranged on the sealing body 23 to facilitate the surgical operation of the doctor. As shown in fig. 2, the puncture cannula 1 includes a cannula cover 11, an upper cannula 12, a lower cannula 13, a sealing valve 14, a choke valve 26, and a puncture needle 15, and the puncture needle 15 is used to perforate the sealing body 23 so as to facilitate insertion of the puncture cannula 1 into the sealing body 23. As shown in fig. 5a, a slip-off prevention member 131 is provided on the outside of the lower sleeve 13. The sleeve cover 11 and the upper sleeve 12 may be integrally formed by injection molding, thermosetting, or the like, or may be connected by gluing, thermal welding, or the like. The upper casing 12 and the lower casing 13 may be integrally formed by molding, thermosetting, etc., or may be connected by gluing, heat welding, etc. The sealing valve 14 and the upper sleeve 12 are connected by the sleeve cover 11. As shown in fig. 5b, a positioning post 111 is disposed on the sleeve cover 11, a positioning hole 141 is disposed on the sealing valve 14, a positioning hole 121 is disposed on the upper sleeve 12, and the positioning post 111 of the sleeve cover 11 passes through the positioning hole 141 of the sealing valve 14 and then is inserted into the positioning hole 121 of the upper sleeve 12, so that the positioning post 111 and the positioning holes 141 and 121 are connected in an interference fit manner. The puncture cannula 1 further comprises a protective gasket 16, wherein the protective gasket 16 is arranged inside the sealing valve 14 and is fixedly connected to the sealing valve 14. In a preferred embodiment, the bottom end of the protective gasket 16 overlies the sealing valve 14.

As shown in fig. 6, the multi-channel sealing body 2 includes a base 22, a sealing body 23 fixedly connected to an upper portion of the base 22, and a buckle 21 fixedly connected to a side surface of the base 22, wherein the buckle 21 and the base 22 are connected by a bolt, and the sealing body 23 and the base 22 are combined together by a high-temperature hot-pressing integral injection molding method. The protective sleeve 3 is connected with the base 22 through the buckle 21, and in an operation, a user can fix the protective sleeve 3 by the buckle 21 after embedding the protective sleeve 3 into the base 22.

As shown in fig. 7, the air duct 4 is composed of a two-way valve 41, a connecting duct 42, and a passage 43, the two-way valve 41 is provided at one end of the connecting duct 42, the connecting duct 42 is connected to the two-way valve 41 by an adhesive, the other end of the connecting duct 42 is connected to one end of the passage 43 by an adhesive, and the other end of the passage 43 is inserted into the sealing body 23. In operation, two of said aeration conduits 4 are inserted in suitable positions of the sealing body 23 according to the requirements, one of the aeration conduits 4 being used for aeration and the other aeration conduit 4 being used for fume extraction. When ventilation is required, the pneumoperitoneum apparatus is connected to the two-way valve 41, and ventilation is performed by opening the two-way valve 41. The other ventilation duct 4 is not connected to the pneumoperitoneum machine, and when smoke evacuation is required, the two-way valve 41 is opened, and smoke is evacuated from the ventilation duct as the surgical instrument swings.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a peritoneoscope operation sealing system of multiple safety protection, includes multichannel seal, puncture sleeve pipe and protective sheath, the multichannel seal include the base and with the upper portion fixed connection's of base seal, the base with the connection can be dismantled to the protective sheath, puncture sleeve pipe is inserted and is established on the seal, its characterized in that be provided with choke valve in the puncture sleeve pipe.

2. The multiple safety laparoscopic procedure seal system of claim 1, wherein said piercing cannula includes a cannula cover, an upper cannula, a lower cannula, a sealing valve and a piercing needle for piercing said seal to facilitate insertion of said piercing cannula into said seal.

3. The multiple safety laparoscopic procedure sealing system of claim 2, wherein said sealing valve and said upper cannula are connected by said cannula cover.

4. The multiple safety protection laparoscopic procedure sealing system of claim 2, wherein said cannula cover is provided with a positioning post, said sealing valve and said upper cannula are provided with a positioning hole, and said positioning post and said positioning hole are connected in an interference fit.

5. The multiple security laparoscopic operational sealing system of claim 2, wherein an anti-slip member is provided on the outside of said lower cannula.

6. The multiple safety laparoscopically operated sealing system of claim 2, wherein the choke valve is disposed within the lower cannula and is fixedly connected to the lower cannula.

7. The multiple safety laparoscopic procedure seal system of claim 6, wherein said choke valve is a one-way valve.

8. The multiple safety laparoscopic procedure sealing system of claim 2, wherein said puncture cannula further comprises a protective gasket disposed within said sealing valve and fixedly attached to said sealing valve.

9. The multiple safety-protected laparoscope operating sealing system as recited in claim 1, further comprising a vent tube consisting of a two-way valve, a connecting tube and a channel, wherein the two-way valve is disposed at one end of the connecting tube, the other end of the connecting tube is connected with one end of the channel, and the other end of the channel is inserted into the sealing body.

10. The multiple safety laparoscopic procedure seal system of claim 9, wherein two of said vent tubes are inserted into said seal body, one of said vent tubes being used for venting and the other of said vent tubes being used for evacuating smoke.