CN219354099U

CN219354099U - Double-sealing detachable puncture outfit

Info

Publication number: CN219354099U
Application number: CN202223074186.4U
Authority: CN
Inventors: 王伟; 耿源源; 陆文; 王海龙
Original assignee: Changzhou Wake Medical Devices Co ltd
Current assignee: Changzhou Wake Medical Devices Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-07-18
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to the technical field of puncture outfits, in particular to a double-seal detachable puncture outfit, which comprises a shell, wherein a puncture hole is formed in the shell, the double-seal detachable puncture outfit further comprises a plane sealing assembly, a first sealing ring and a second sealing ring which are arranged in the shell, the plane sealing assembly, the first sealing ring and the second sealing ring are sequentially arranged along the axial direction of the puncture hole, the plane sealing assembly and the second sealing ring are both used for sealing an instrument when the instrument passes through the puncture hole, a second sealing ring made of elastic materials is added when the double-seal detachable puncture outfit is used, a through hole in the middle of a body of the second sealing ring is used for passing an external instrument, after the plane sealing assembly is punctured by the instrument, the first sealing ring can still be sealed through the second sealing ring when the first sealing ring is opened, the puncture outfit is ensured to be sealed stably and reliably, and the problem that the puncture outfit is invalid in the process of entering a puncture outfit channel when the existing surgical instrument occurs is avoided.

Description

Double-sealing detachable puncture outfit

Technical Field

The utility model relates to the technical field of puncture outfits, in particular to a double-sealing detachable puncture outfit.

Background

The puncture device is used for puncturing the abdominal wall of a human body to establish a surgical instrument access channel for minimally invasive surgery or surgical operation. During operation, a surgical instrument needs to pass through a channel on the puncture outfit to enter a human body for operation, and during the process of entering the puncture outfit channel, for example, chinese patent utility model patent, the patent number is 201621228811.8, the application date is 2016.10.31, the utility model creates a sealing ring protection sheet, an end sealing assembly and the puncture outfit which are named as a sealing assembly and a sealing ring for the puncture outfit, the patent discloses a multi-flap type sealing assembly and a sealing ring, the surgical instrument can pass through the sealing assembly and the sealing ring and force to be opened, and when the surgical instrument contacts the sealing assembly and the sealing ring, the sealing assembly and the sealing ring are caused to have puncture risks, so that the sealing effect of the puncture outfit is invalid.

Disclosure of Invention

The utility model aims to solve the technical problems that: in order to solve the problem that the sealing effect of the puncture outfit is invalid due to the risk of puncturing the sealing device in the process of entering the puncture outfit channel of the existing surgical instrument, the double-sealing detachable puncture outfit is provided.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a double-seal detachable puncture outfit, includes the casing, the puncture has been seted up on the casing, still includes plane seal assembly, first sealing washer and the second sealing washer of setting in the casing, plane seal assembly, first sealing washer and second sealing washer set gradually along puncture axial, plane seal assembly and second sealing washer are all used for sealing when penetrating the puncture to the apparatus, first sealing washer is used for sealing when the apparatus pulls out;

the second sealing ring comprises a body, a through hole is formed in the body, the through hole and the puncture hole are correspondingly formed in the body, the body is made of elastic materials, and the diameter of the through hole is smaller than that of the puncture hole. Compared with the prior art, the second sealing ring made of elastic materials is added in the scheme, the through hole in the middle of the body of the second sealing ring is used for allowing an external instrument to pass through, and after the plane sealing assembly is punctured by the instrument, the first sealing ring can still seal through the second sealing ring when being opened, so that the puncture outfit is sealed stably and reliably.

Preferably, in some embodiments, a positioning protrusion is disposed in the housing, a positioning groove matched with the positioning protrusion is formed in the body, and the positioning protrusion is disposed in the positioning groove.

Preferably, in some embodiments, a compression ring for fixing a second seal ring to the housing is disposed in the housing, and the second seal ring is disposed between the compression ring and the housing.

Preferably, in some embodiments, a notch matched with a second sealing ring is formed at one end of the pressure ring, and the second sealing ring is arranged in the notch.

Preferably, in some embodiments, the housing includes a sleeve assembly and a cover plate disposed over the sleeve assembly.

The beneficial effects of the utility model are as follows: when the double-sealing detachable puncture outfit is used, the second sealing ring made of elastic materials is added, the through hole in the middle of the body of the second sealing ring is used for an external instrument to pass through, so that after the instrument punctures the plane sealing component, the first sealing ring can still seal through the second sealing ring when being opened, the puncture outfit is ensured to be sealed stably and reliably, and the problem that the puncture outfit sealing effect is invalid due to the fact that the puncture outfit is punctured in the process of entering a puncture outfit channel in the prior surgical instrument is avoided.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic three-dimensional structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of B in FIG. 3;

fig. 5 is a schematic structural view of a second seal ring in the present utility model.

In the figure: 1. the device comprises a shell, 101, a sleeve assembly, 102, a cover plate, 103, a puncture hole, 104, a positioning protrusion, 2, a plane sealing assembly, 3, a first sealing ring, 4, a second sealing ring, 401, a body, 402, a through hole, 403, a positioning groove, 5, a compression ring, 501 and a notch.

Detailed Description

The utility model is further described in detail below in connection with the examples:

the present utility model is not limited to the following embodiments, and those skilled in the art can implement the present utility model in various other embodiments according to the present utility model, or simply change or modify the design structure and thought of the present utility model, which fall within the protection scope of the present utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1-5, a dual-seal detachable puncture outfit comprises a shell 1, a planar seal assembly 2, a first seal ring 3 and a second seal ring 4 in the shell 1, wherein the shell 1 comprises a sleeve assembly 101 and a cover plate 102, the cover plate 102 is covered on the sleeve assembly 101, a puncture hole 103 is formed in the cover plate 102 of the shell 1, the planar seal assembly 2, the first seal ring 3 and the second seal ring 4 are sequentially arranged along the axial direction of the puncture hole 103, the planar seal assembly 2 and the second seal ring 4 are used for sealing an instrument when the instrument passes through the puncture hole 103, and the first seal ring 3 is used for sealing the puncture outfit when the instrument is pulled out;

the second sealing ring 4 comprises a body 401, a through hole 402 is formed in the body 401, the through hole 402 and the puncture hole 103 are correspondingly arranged, the body 401 is made of elastic materials, the elastic materials are rubber, and the diameter of the through hole 402 is smaller than that of the puncture hole 103.

The chinese utility model has application number 201621228811.8 and application date 2016.10.31, and has patent names of sealing ring protection sheet for puncture outfit, end sealing assembly and puncture outfit, and the structure of the planar sealing assembly 2 in this embodiment is similar to that of the end sealing assembly in this disclosure.

The chinese utility model has application number 201510875750.8 and application date 2015.12.02, and the patent name is an anti-slip sealing ring for a puncture outfit, a puncture outfit sheath tube and a puncture outfit, and the structure of the first sealing ring 3 in this embodiment is similar to that of the anti-slip sealing ring in the disclosure patent.

In order to facilitate the installation of the second sealing ring 4, a positioning protrusion 104 is arranged in the shell 1, a positioning groove 403 matched with the positioning protrusion 104 is formed in the body 401, the positioning protrusion 104 is arranged in the positioning groove 403, a pressing ring 5 for fixing the second sealing ring 4 on the shell 1 is arranged in the shell 1, and the second sealing ring 4 is arranged between the pressing ring 5 and the shell 1.

One end of the compression ring 5 is provided with a notch 501 matched with the second sealing ring 4, and the second sealing ring 4 is arranged in the notch 501.

When an instrument passes through the puncture hole 103 on the cover plate 102, the instrument passes through the plane sealing component 2 at first, the plane sealing component 2 wraps and seals the instrument passing process, then the instrument passes through the first sealing ring 3 and opens the first sealing ring 3, and finally passes through the through hole 402 of the second sealing ring 4, and the second sealing ring 4 is made of elastic materials, so that the through hole 402 can be enlarged when the instrument passes through the through hole 402, the through hole 402 just also clamps and seals the instrument, namely, when the instrument passes through the puncture hole 103, two seals are arranged, the first seal is the plane sealing component 2, and the second seal is the second sealing ring 4, and when one seal of the two seals is punctured, the other seal can play a sealing role, so that the double seals are achieved;

when the instrument is pulled out, the first sealing ring 3 can be automatically closed and seals the puncture outfit, so that the safe and reliable use in the operation process is ensured.

The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the worker in question without departing from the technical spirit of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. The utility model provides a puncture outfit can be disassembled in double seal, includes casing (1), puncture hole (103) have been seted up on casing (1), its characterized in that: the device comprises a shell (1), and is characterized by further comprising a plane sealing assembly (2), a first sealing ring (3) and a second sealing ring (4) which are arranged in the shell (1), wherein the plane sealing assembly (2), the first sealing ring (3) and the second sealing ring (4) are axially and sequentially arranged along a puncture hole (103), the plane sealing assembly (2) and the second sealing ring (4) are both used for sealing an instrument when the instrument passes through the puncture hole (103), and the first sealing ring (3) is used for sealing the instrument when the instrument is pulled out;

the second sealing ring (4) comprises a body (401), a through hole (402) is formed in the body (401), the through hole (402) and the puncture hole (103) are correspondingly formed, the body (401) is made of elastic materials, and the diameter of the through hole (402) is smaller than that of the puncture hole (103).

2. The dual seal detachable puncture outfit according to claim 1, wherein: the shell (1) is internally provided with a positioning protrusion (104), the body (401) is provided with a positioning groove (403) matched with the positioning protrusion (104), and the positioning protrusion (104) is arranged in the positioning groove (403).

3. The dual seal detachable puncture outfit according to claim 2, wherein: a compression ring (5) for fixing the second sealing ring (4) on the shell (1) is arranged in the shell (1), and the second sealing ring (4) is arranged between the compression ring (5) and the shell (1).

4. The dual seal detachable puncture outfit according to claim 3, wherein: one end of the compression ring (5) is provided with a notch (501) matched with the second sealing ring (4), and the second sealing ring (4) is arranged in the notch (501).

5. The dual seal detachable puncture outfit according to claim 1, wherein: the shell (1) comprises a sleeve assembly (101) and a cover plate (102) which is arranged on the sleeve assembly (101) in a covering mode.