CN216777118U

CN216777118U - Piston type endometrium sampler

Info

Publication number: CN216777118U
Application number: CN202122894185.3U
Authority: CN
Inventors: 郭健; 李振兴
Original assignee: Sijiekang Medical Technology Jiaxing Co ltd
Current assignee: Sijiekang Medical Technology Jiaxing Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-06-21
Anticipated expiration: 2031-11-22

Abstract

The utility model provides a piston type endometrium sampler, which comprises a containing guide member, a suction guide member and a movable suction member, wherein the containing guide member is in a long strip shape, a containing cavity is formed in the containing guide member, one end of the containing guide member is provided with a sample inlet, the other end of the containing guide member is provided with an adapter, the sample inlet and the adapter are respectively communicated with the containing cavity, the suction cavity is formed in the suction guide member, one end of the suction guide member is provided with a matching interface, the other end of the suction guide member is provided with a socket, the matching interface and the socket are respectively communicated with the containing cavity, the adapter for containing the guide member is connected with the matching interface of the suction guide member, and the movable suction member is matched with the suction cavity in shape. This piston endometrium sampler adopts no core rod structure, and it is thinner to hold the sleeve pipe, can bend at will, adapts to the sheath that has the crooked demand, and it is nimble convenient to use, also can be applied to other less operation environment to the sampling device size requirement.

Description

Piston type endometrium sampler

Technical Field

The utility model relates to pathological sampling equipment, in particular to a piston type endometrium sampler.

Background

Aiming at the diagnosis requirement of endometrial lesion, diagnostic uterine curettage belongs to invasive operation, can cause obvious pain for patients, and has the risks of complications such as uterine perforation, infection and the like, while endometrial biopsy under a hysteroscope has high operation technical requirement and expensive inspection cost, and is not suitable for being used as a conventional means for diagnosing endometrial lesion, the diagnostic uterine curettage is basically replaced by an outpatient-based endometrial sampling technology to become a preferred method for diagnosing endometrial lesion, and the technologies provide minimally invasive selection for diagnosing endometrial cancer, overlong hyperplasia and other endometrial pathological changes. However, the conventional endometrial samplers are relatively large in size and cannot be used with a particular instrument (e.g., a sheath of a hysteroscope). And the instrument channels of part of instruments (such as hysteroscope sheaths) are thin, the size of the endometrium sampler is required to be correspondingly reduced, the strength of the push rod of the existing product is insufficient, and the use effect is poor. Therefore, there is a need for an improved endometrial sampler that overcomes the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a piston type endometrium sampler so as to improve the use flexibility.

The technical scheme adopted by the utility model for solving the technical problem is as follows:

a piston endometrial sampler comprising:

the accommodating guide member is long-strip-shaped, an accommodating cavity is formed in the accommodating guide member, one end of the accommodating guide member is provided with a sample inlet, the other end of the accommodating guide member is provided with a switching port, and the sample inlet and the switching port are respectively communicated with the accommodating cavity;

the suction guide member is internally provided with a suction cavity, one end of the suction guide member is provided with a matching port, the other end of the suction guide member is provided with a plug port, the matching port and the plug port are respectively communicated with the accommodating cavity, and the adapter port for accommodating the guide member is jointed with the matching port of the suction guide member to ensure that the suction cavity is communicated with the accommodating cavity;

the movable suction component is matched with the suction cavity in shape, can extend into the suction cavity through the insertion port and move along the suction cavity, the moving process of the movable suction component is guided by the suction guide component, negative pressure is formed in the suction cavity and the accommodating cavity, and endometrial tissue enters the accommodating cavity through the sample inlet.

Specifically, the accommodating guide member includes:

the sleeve pipe is held, and the sheathed tube head that should hold is enclosed construction, and its outer wall is cylindrical smooth surface, holds the cavity and extends along the axial that holds the sheathed tube, and the introduction port is seted up in holding sheathed tube head lateral wall, and the switching mouth is seted up in holding sheathed tube afterbody.

The middle part of the sample inlet is sunken towards the inner side of the accommodating sleeve, and hook parts are formed at two ends of the sample inlet, so that endometrial tissues can easily enter the sample inlet.

The outer wall of the head of the accommodating sleeve is a spherical or conical smooth surface, so that damage to the endometrium is avoided.

A plurality of sample inlets are formed, and the sample inlets are arranged along the circumferential direction or the axial direction of the accommodating sleeve respectively.

The suction guide member includes:

the guide cylinder shell is cylindrical, the suction cavity extends along the axial direction of the guide cylinder shell, and the matching port and the inserting port are respectively arranged at two ends of the guide cylinder shell.

The matching interface of the guide cylinder shell is connected with the adapter interface of the containing sleeve through a luer connector or interference fit or an adhesive.

The movable suction member includes:

the suction shaft lever, the head of this suction shaft lever is equipped with the suction piston, and its afterbody is equipped with operating handle, and suction piston and suction cavity body adaptation, accessible operating handle drive suction shaft lever move in suction cavity body, make the piston form the negative pressure in suction cavity body and holding the cavity.

The utility model has the advantages that:

this piston endometrium sampler adopts no core rod structure, utilizes suction shaft pole and direction bobbin case cooperation, forms the negative pressure in suction cavity and holding the cavity, makes the endometrium tissue get into through the introduction port and holds in the cavity, and it is thinner to hold the sleeve pipe, can bend at will, adapts to the sheath that has crooked demand, and it is nimble convenient to use, also can be applied to other less operation environment to the sampling device size requirement.

Drawings

Fig. 1 is a schematic structural diagram of a piston type endometrium sampler provided by the utility model;

fig. 2 is an exploded view of the piston-type endometrial sampler;

fig. 3 is an enlarged close-up view at a in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

As shown in fig. 1 to 3, the piston-type endometrium sampler provided by the utility model comprises a holding guide member, a suction guide member and a movable suction member, wherein the holding guide member is in a strip shape, a holding cavity is arranged in the holding guide member, one end of the holding guide member is provided with a sample inlet, the other end of the holding guide member is provided with an adapter port, the sample inlet and the adapter port are respectively communicated with the holding cavity, the suction cavity is arranged in the suction guide member, one end of the suction guide member is provided with a matching port, the other end of the suction guide member is provided with a socket, the matching port and the socket port are respectively communicated with the holding cavity, the adapter port of the holding guide member is connected with the matching port of the suction guide member, so that the suction cavity is communicated with the holding cavity, the movable suction member is matched with the suction cavity in shape, can extend into the suction cavity through the socket and move along the suction cavity, and the suction guide member guides the moving process of the movable suction member, negative pressure is formed in the suction cavity and the accommodating cavity, so that the endometrial tissue enters the accommodating cavity through the sample inlet. In this embodiment, the accommodating guide member includes an accommodating sleeve 100, the head of the accommodating sleeve is a closed structure, the outer wall of the accommodating sleeve is a cylindrical smooth surface, the accommodating cavity extends along the axial direction of the accommodating sleeve, the sample inlet 110 is opened on the side wall of the head of the accommodating sleeve, and the adapter 120 is opened on the tail of the accommodating sleeve. The middle part of the sample inlet is sunken towards the inner side of the containing sleeve, and hook parts are formed at two ends of the sample inlet, so that endometrial tissues can easily enter the sample inlet. The outer wall of the head of the accommodating sleeve is a spherical or conical smooth surface, so that damage to the endometrium is avoided. A plurality of sample inlets are formed, and the sample inlets are arranged along the circumferential direction or the axial direction of the accommodating sleeve respectively. The suction guiding component comprises a guiding cylinder shell 200, the guiding cylinder shell is cylindrical, the suction cavity extends along the axial direction of the guiding cylinder shell, and the matching port 210 and the inserting port 220 are respectively arranged at the two ends of the guiding cylinder shell. The matching interface of the guide cylinder shell is connected with the adapter interface of the containing sleeve through a luer connector or interference fit or an adhesive. The movable suction member comprises a suction shaft 300, the head of which is provided with a suction piston, the tail of which is provided with an operating handle 310, the suction piston is adapted to the suction chamber, and the suction shaft can be driven by the operating handle to move in the suction chamber, so that the piston forms a negative pressure in the suction chamber and the accommodating chamber. This piston endometrium sampler adopts no core rod structure, utilizes suction shaft pole and direction bobbin case cooperation, forms the negative pressure in suction cavity and holding the cavity, makes the endometrium tissue get into through the introduction port and holds in the cavity, and it is thinner to hold the sleeve pipe, can bend at will, adapts to the sheath that has crooked demand, and it is nimble convenient to use, also can be applied to other less operation environment to the sampling device size requirement.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Claims

1. A piston endometrial sampler comprising:

it is characterized by also comprising:

and the movable suction member is matched with the suction cavity in shape, can extend into the suction cavity through the interface and move along the suction cavity, and the movement process of the movable suction member is guided by the suction guide member.

2. A piston endometrial sampler as in claim 1, wherein the receiving guide member comprises:

the sleeve pipe holds, and this sheathed tube head that holds is the enclosed construction, and its outer wall is cylindrical smooth surface, holds the cavity and extends along holding sheathed tube axial, and the introduction port is seted up in holding sheathed tube head lateral wall, and the switching port is seted up in holding sheathed tube afterbody, and the introduction port middle part is sunken to holding the sleeve pipe inboard, forms the hook portion of getting at the introduction port both ends.

3. A piston endometrial sampler as claimed in claim 1, characterized in that:

4. A piston endometrial sampler as claimed in claim 2, characterized in that:

5. A piston endometrial sampler as claimed in claim 2, characterized in that the suction guide member comprises:

6. A piston endometrial sampler as claimed in claim 5, characterized in that:

7. A piston endometrial sampler as claimed in claim 5, characterized in that the moving suction member comprises:

the head of the suction shaft rod is provided with a suction piston, the tail of the suction shaft rod is provided with an operating handle, and the suction piston is matched with the suction cavity.