CN215937499U

CN215937499U - Recyclable instrument channel

Info

Publication number: CN215937499U
Application number: CN202122460753.9U
Authority: CN
Inventors: 李俊强; 许鑫玥; 李涛; 马多娜
Original assignee: No 3 Peoples Hospital of Chengdu
Current assignee: No 3 Peoples Hospital of Chengdu
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-03-04
Anticipated expiration: 2031-10-12

Abstract

The utility model relates to the technical field of medical instruments, in particular to a recyclable instrument channel which comprises a channel main body, a sealing ring and a channel cap, wherein the center of the channel cap is provided with a hole for instruments to pass through, the channel cap is detachably connected with the channel main body, the sealing ring is arranged between the channel cap and the channel main body, the lower end of the sealing ring protrudes towards the inner side of the channel main body and is provided with a plurality of cutting seams, and the bottom of the sealing ring is uniformly divided into leaf-shaped parts by the cutting seams. According to the utility model, the sealing ring is arranged, the lower end of the sealing ring is uniformly divided into the shape of the lobe by the plurality of cutting seams, when the lobe is opened, the size of the hole at the bottom of the sealing ring is just convenient for the laparoscopic instrument to pass through, and when the laparoscopic instrument is taken out, the lobe is closed, so that the instrument channel has good air tightness.

Description

Recyclable instrument channel

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a recyclable instrument channel.

Background

With the development of modern surgical techniques, porous laparoscopic surgery has become the mainstream surgical method at present, and for pursuing more satisfactory cosmetic effects and slightly non-invasive targets, the development of the surgical technique has come from the umbilical region or the natural orifice single-hole laparoscopic technique, and the development of the surgical technique needs to rely on a single-hole laparoscopic operation platform, and most of the homemade single-hole laparoscopic operation platforms used clinically comprise three components: a small incision protective sleeve, a medical glove and an instrument channel connected with the finger end of the medical glove.

According to the use effect reported at present, the existing homemade single-port laparoscope operation platform mainly has the problems of poor air tightness, incapability of being reused, relatively complex assembly steps, large instrument channel volume and increased operation difficulty, and the analysis of the problems is mainly carried out on the instrument channel connected with the finger end of a glove, but has little relation with a small-size incision protective sleeve and a medical glove.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a recyclable instrument channel which has good air tightness, small volume, simple assembly and repeated disinfection and utilization, and solves the problems that the existing instrument channel has poor air tightness, can not be repeatedly utilized, has relatively complex assembly steps and large volume and increases the difficulty of operation.

(II) technical scheme

In order to realize the purposes of good air tightness, small volume, simple assembly and repeated disinfection and utilization of the instrument channel, the utility model provides the following technical scheme: the utility model provides a but apparatus passageway of cyclic use, the apparatus passageway includes passageway main part, sealing washer and passageway cap, passageway cap center has a hole that supplies the apparatus to pass through, the passageway cap with can dismantle the connection between the passageway main part, the sealing washer sets up the passageway cap with between the passageway main part, the sealing washer lower extreme is protruding to passageway main part inboard just is equipped with a plurality of kerfs, a plurality of the kerfs will the sealing washer bottom is evenly divided into the lobe form.

Optionally, the bottom of the inner side of the channel cap is provided with a threaded inner thread, the top of the outer side of the channel body is provided with a threaded outer thread which is in threaded fit with the threaded inner thread, and the edge of the top end of the sealing ring is circular and is pressed at the threaded fit position of the channel cap and the channel body.

Optionally, the channel main part with the channel cap is made by metal material, the sealing washer is made by medical silica gel material.

Optionally, the number of the cutting seams is three, and the three cutting seams uniformly divide the bottom of the sealing ring into a three-lobe shape.

Optionally, the lower surface of the channel body is provided with an annular protrusion.

Optionally, the aperture of the channel main body and the aperture of the hole on the channel cap are both set to be 5.5mm or 10.5 mm.

Optionally, an air pipe communicated with the inside of the channel main body and provided with a valve is arranged on the side wall of the channel main body.

(III) advantageous effects

Compared with the prior art, the utility model provides a recyclable instrument channel, which has the following beneficial effects:

1. according to the utility model, the sealing ring is arranged, the lower end of the sealing ring is uniformly divided into the shape of the lobe by the plurality of cutting seams, when the lobe is opened, the size of the hole at the bottom of the sealing ring is just convenient for the laparoscopic instrument to pass through, and when the laparoscopic instrument is taken out, the lobe is closed, so that the instrument channel has good air tightness;

2. the main structure of the utility model is made of metal materials and silica gel, can be sterilized and reused, and only needs to replace the silica gel sealing ring even if the silica gel is aged, thereby reducing the cost of clinical consumables;

3. according to the utility model, the sealing ring is arranged at the threaded connection part of the channel cap and the channel main body, so that on one hand, the sealing ring can be fixed, the sealing ring is not easy to shift and fall off due to the in-and-out of instruments, on the other hand, the sealing property between the channel cap and the channel main body is increased, and the possibility of air leakage is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the seal ring structure of the present invention;

FIG. 4 is a schematic view of the present invention with additional channels;

FIG. 5 is a schematic view of the assembled structure of the present invention and a glove;

FIG. 6 is a schematic view of an incision protection cover used in conjunction with the present invention.

In the figure: 1. an instrument channel; 10. a channel body; 101. an annular projection; 102. a valve; 103. an air tube; 11. a channel cap; 12. a seal ring; 120. cutting a seam; 2. a glove; 3. incision protective sheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1 to 6, an embodiment of the present invention provides a technical solution: a recyclable instrument channel 1 comprises a channel main body 10, a sealing ring 12 and a channel cap 11, wherein a hole for instruments to pass through is formed in the center of the channel cap 11, the channel cap 11 is detachably connected with the channel main body 10, the sealing ring 12 is arranged between the channel cap 11 and the channel main body 10, the lower end of the sealing ring 12 protrudes towards the inner side of the channel main body 10 and is provided with a plurality of slits 120, the bottom of the sealing ring 12 is evenly divided into leaf-shaped slits 120, when the leaf-shaped slits are opened, the size of the hole in the bottom of the sealing ring 12 is just convenient for laparoscopic instruments to pass through, and when the laparoscopic instruments are taken out, the leaf-shaped slits are closed, so that the instrument channel 1 has good air tightness.

As a preferred embodiment, the bottom of the inner side of the channel cap 11 of this embodiment is provided with a threaded inner thread, the top of the outer side of the channel body 10 is provided with a threaded outer thread which is in threaded fit with the threaded inner thread, the top edge of the sealing ring 12 is circular and is pressed at the threaded matching position of the channel cap 11 and the channel body 10, and the threaded connection of the channel cap 11 and the channel body 10 can fix the sealing ring 12, so that the sealing ring 12 is not easy to shift and fall off due to the in-and-out of an instrument, and on the other hand, the sealing performance between the channel cap 11 and the channel body 10 is also increased, and the possibility of air leakage is reduced.

As a preferred embodiment, the number of the slits 120 in the present embodiment is three, the three slits 120 cut the bottom of the sealing ring 12 evenly into a three-lobe shape, and the three slits 120 are provided, so that good air tightness of the instrument channel 1 is ensured, and the lobes are not easily damaged during the drawing process of the laparoscopic instrument.

On the basis of the above-mentioned embodiment, the passageway main part 10 and the passageway cap 11 of this embodiment are made by the metal material, and sealing washer 12 is made by medical silica gel material, adopts metal material and silica gel to make with apparatus passageway 1 major structure, but disinfection used repeatedly, even if the silica gel is ageing, also only need change silica gel sealing washer 12 can, consequently reduced clinical consumables expense.

On the basis of the above embodiments, the lower surface of the channel main body 10 of the embodiment is provided with a circle of annular protrusions 101, which is convenient for the channel main body 10 to be bound and assembled with the finger tips of the medical gloves 2 by silk threads, and the firmness is increased.

On the basis of the above embodiments, the aperture of the channel body 10 and the hole of the channel cap 11 of the present embodiment are both set to be 5.5mm or 10.5mm, and since the diameter of the laparoscopic surgical instrument is 5mm or 10mm, the two aperture sizes can be suitable for the ingress and egress of the surgical instrument.

On the basis of the above embodiments, the side wall of the main body 10 of the channel of the present embodiment is provided with the air tube 103 which is communicated with the inside thereof and is provided with the valve 102, so that during an operation, carbon dioxide can be filled into the patient body through the air tube 103 to form an pneumoperitoneum, thereby exposing the operation field, and meanwhile, the air tube 103 can also be used for removing waste gas, smoke and the like.

The working principle is as follows: the channel cap 11 and the channel body 10 are connected by rotating and screwing, the sealing ring 12 is clamped at the thread inosculation position of the channel cap 11 and the channel body 10, the three are assembled into a complete instrument channel 1, and the complete instrument channel 1, the glove 2 and the incision protection sleeve 3 jointly form a single-hole laparoscope operation platform, when in use, because the lower end of the sealing ring 12 is uniformly divided into leaf shapes by a plurality of incisions 120, when the leaf is opened, the size of a hole at the bottom of the sealing ring 12 is just convenient for the passage of a laparoscope instrument, and when the laparoscope instrument is taken out, the leaf is closed, the instrument channel 1 has good air tightness, moreover, because the sealing ring 12 is fixed at the connection position of the channel cap 11 and the channel body 10 by a thread connection mode, on one hand, the sealing ring 12 can be fixed, the sealing ring 12 is not easy to shift and fall off due to the in and out of the instrument, on the other hand, the tightness between the channel cap 11 and the channel body 10 is also increased, reduce the gas leakage probably, simultaneously because of instrument passageway 1 major structure adopts metal material and silica gel to make, but disinfection used repeatedly, even if the silica gel is ageing, also only need change silica gel sealing washer 12 can, consequently reduced clinical consumables expense.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reusable instrument channel, comprising: the instrument channel (1) comprises a channel main body (10), a sealing ring (12) and a channel cap (11), a hole for an instrument to pass through is formed in the center of the channel cap (11), the channel cap (11) is detachably connected with the channel main body (10), the sealing ring (12) is arranged between the channel cap (11) and the channel main body (10), the lower end of the sealing ring (12) protrudes towards the inner side of the channel main body (10) and is provided with a plurality of slits (120), and the slits (120) divide the bottom of the sealing ring (12) into leaf-shaped parts.

2. A reusable instrument channel as claimed in claim 1, wherein: the inner side bottom of the channel cap (11) is provided with a thread inner thread, the outer side top of the channel main body (10) is provided with a thread outer thread matched with the thread inner thread in a threaded manner, and the top end edge of the sealing ring (12) is circular and is pressed at the thread matching position of the channel cap (11) and the channel main body (10).

3. A reusable instrument channel as claimed in claim 1, wherein: the passage main body (10) and the passage cap (11) are made of metal materials, and the sealing ring (12) is made of medical silica gel materials.

4. A reusable instrument channel as claimed in claim 1, wherein: the number of the cutting seams (120) is three, and the bottom of the sealing ring (12) is uniformly cut into a three-lobe shape by the three cutting seams (120).

5. A reusable instrument channel as claimed in claim 1, wherein: the lower surface of the channel body (10) is provided with an annular bulge (101).

6. A reusable instrument channel as claimed in claim 1, wherein: the aperture of the channel main body (10) and the aperture of the hole on the channel cap (11) are both set to be 5.5mm or 10.5 mm.

7. A reusable instrument channel as claimed in claim 1, wherein: the side wall of the channel main body (10) is provided with an air pipe (103) which is communicated with the interior of the channel main body and is provided with a valve (102).