CN219250269U

CN219250269U - Breast cancer tumor cell sampling device

Info

Publication number: CN219250269U
Application number: CN202223491955.0U
Authority: CN
Inventors: 崔彦芝; 黄芳; 侯冉; 徐会霞; 韩亚光; 胡泽娴
Original assignee: Fourth Hospital of Hebei Medical University Hebei Cancer Hospital
Current assignee: Fourth Hospital of Hebei Medical University Hebei Cancer Hospital
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-27
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a breast cancer tumor cell sampling device, and relates to the technical field of medical care tools. The utility model comprises a gun barrel and a sampling needle head, wherein the gun barrel comprises a shell, a movable tube and a sampling rod, an operation opening and a handle are arranged on the peripheral side surface of the shell, a handle is hinged in the operation opening, the sampling rod is arranged in the movable tube, a groove is arranged on one end surface of the sampling rod, the sampling needle head is arranged at one end of the sampling rod, the sampling needle head comprises a fixed tube and a needle head, an extrusion groove is arranged in the fixed tube, an extrusion spring is arranged in the extrusion groove, a movable rod is arranged in the fixed tube, a sliding ring is arranged on the peripheral side surface of the movable rod, and the free end of the extrusion spring is fixedly connected with the sliding ring. The sampling needle consists of a fixed pipe and a needle head, and the fixed pipe is internally provided with the extrusion groove, the extrusion spring and the movable rod, so that after sampling is finished, the dustproof protective cover is covered, then the sampling needle head is taken down, and the movable rod is pressed, so that the movable rod moves along the extrusion groove to rapidly push out the taken tumor cells from the needle head.

Description

Breast cancer tumor cell sampling device

Technical Field

The utility model belongs to the technical field of medical care tools, and particularly relates to a breast cancer tumor cell sampling device.

Background

Before interventional therapy is carried out on a tumor patient, the tumor needs to be sampled and analyzed, a puncture needle is used for taking cells and tissue specimens in the current mode for pathological examination, the method is an important means for diagnosing the tumor property, the specimens sampled after the sampling of the existing sampling device are inconvenient to take out rapidly in a needle head, the operation is troublesome, and the specimens are easy to pollute after being exposed in the air for a long time, so that the breast cancer tumor cell sampling device is provided.

Disclosure of Invention

The utility model aims to provide a breast cancer tumor cell sampling device, which solves the problems in the prior art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a breast cancer tumor cell sampling device which comprises a gun barrel and a sampling needle head, wherein the gun barrel comprises a shell, a movable tube and a sampling rod, a supporting limiting ring is arranged in the shell, movable ports and adjusting ports are arranged at two ends of the shell, an operation port and a handle are arranged on the peripheral side face of the shell, a handle is hinged in the operation port, the sampling rod is arranged in the movable tube, the sampling rod penetrates through the movable tube and extends to the outside through the adjusting port, a groove is formed in the other end face of the sampling rod, the sampling needle head is arranged at one end of the sampling rod, the sampling needle head comprises a fixed tube and a needle head, an extrusion groove is formed in the fixed tube, an extrusion spring is arranged in the extrusion groove, a movable rod is arranged in the fixed tube, a sliding ring is arranged on the peripheral side face of the movable rod, and the free end of the extrusion spring is fixedly connected with the sliding ring.

Further, the shape and the size of the supporting limiting ring and the movable opening are matched with those of the movable pipe, and the supporting limiting ring, the movable opening and the movable pipe are in nested fit.

Further, the position of the handle is matched with that of the movable pipe, and the handle is matched with the movable pipe.

Further, the shape and the size of the slip ring are matched with the extrusion groove, and the movable rod is matched with the extrusion groove, so that the movable rod can be conveniently extruded to rapidly take out the tumor cells sampled in the needle.

Further, a protrusion is arranged on one surface of the handle, a spring is arranged on the inner circumferential side surface of the movable opening, a fixed ring is arranged on the circumferential side surface of the movable pipe, and the free end of the spring is fixedly connected with the fixed ring.

Further, threaded connection between sampling pole and the sampling syringe needle, syringe needle week side is provided with two bleeder vents, sampling syringe needle week side is provided with dustproof visor.

The utility model has the following beneficial effects:

the sampling needle consists of a fixed pipe and a needle head, and the fixed pipe is internally provided with the extrusion groove, the extrusion spring and the movable rod, so that after sampling is finished, the dustproof protective cover is covered, then the sampling needle head is taken down, and the movable rod is pressed, so that the movable rod moves along the extrusion groove to rapidly push out the taken tumor cells from the needle head.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram showing the overall structure of a breast cancer tumor cell sampling device;

FIG. 2 is a top view of a breast cancer tumor cell sampling apparatus;

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

fig. 4 is an enlarged view of part B of fig. 3.

In the drawings, the list of components represented by the various numbers is as follows:

1-gun barrel, 2-sampling needle, 101-shell, 102-movable tube, 103-sampling rod, 1011-supporting limit ring, 1012-movable port, 1013-adjusting port, 1014-operating port, 1015-handle, 1016-boss, 1017-spring, 1018-grip, 1021-fixed ring, 1031-groove, 201-fixed tube, 202-needle, 2011-extrusion groove, 2012-extrusion spring, 2013-movable rod, 2014-slip ring, 2015-vent hole, 2016-dustproof protective cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model discloses a breast cancer tumor cell sampling device, which comprises a gun barrel 1 and a sampling needle 2, wherein the gun barrel 1 comprises a shell 101, a movable tube 102 and a sampling rod 103, a supporting limiting ring 1011 is arranged in the shell 101, two ends of the shell 101 are provided with a movable port 1012 and an adjusting port 1013, the peripheral side surface of the shell 101 is provided with an operation port 1014 and a handle 1018, a handle 1015 is hinged in the operation port 1014, a sampling rod 103 is arranged in the movable tube 102, the sampling rod 103 penetrates through the movable tube 102 and extends to the outside through the adjusting port 1013, the other end surface of the sampling rod 103 is provided with a groove 1031, one end of the sampling rod 103 is provided with the sampling needle 2, the sampling needle 2 comprises a fixed tube 201 and the needle 202, an extrusion groove 2011 is arranged in the fixed tube 201, an extrusion spring 2012 is arranged in the extrusion groove 2011, a movable rod 2013 is arranged in the fixed tube 201, the shape and the size of the movable rod 2013 are matched with the groove 1031, a slip ring 2014 is arranged on the peripheral side surface of the movable rod 2014, and the free end of the extrusion spring is fixedly connected with the slip ring 2014.

Wherein, the shape and the size of the supporting limit ring 1011 and the movable port 1012 are matched with the movable pipe 102, and the supporting limit ring 1011, the movable port 1012 and the movable pipe 102 are in nested fit.

Wherein, the position of the handle 1015 is adapted to the movable tube 102, and the handle 1015 is matched with the movable tube 102.

The shape and the size of the slip ring 2014 are adapted to the extrusion groove 2011, and the movable rod 2013 and the extrusion groove 2011 are matched with each other, so that the movable rod 2013 can be conveniently extruded to rapidly take out the tumor cells sampled in the needle 202.

Wherein, a surface of the handle 1015 is provided with a protrusion 1016, the position of the protrusion 1016 is adapted to the movable tube 102, a spring 1017 is provided on the inner circumferential side of the movable opening 1012, a fixed ring 1021 is provided on the circumferential side of the movable tube 102, and the free end of the spring 1017 is fixedly connected with the fixed ring 1021.

Wherein, threaded connection is between sampling rod 103 and the sampling needle 2, and needle 202 week side is provided with two bleeder vents 2015, and sampling needle 2 week side is provided with dustproof visor 2016.

Referring to fig. 1-4, the present embodiment is a method for using a breast cancer tumor cell sampling device: when the device is used, the dustproof protective cover 2016 is opened to align the direction of the movable port 1012 of the gun barrel 1 to a position to be sampled, then the handle 1015 is held to hold the grip 1018 to buckle the handle 1015, the handle 1015 drives the movable pipe 102 to move towards the direction of the movable port 1012 to push the sampling needle 2 out and prick the position to be sampled, then the sampling rod 103 is rotated to enable the sampling needle 2 to rotate at the sampling position, so that sampled tumor cells are left in the needle 202, then the handle 1015 is loosened, the movable pipe 102 is reset through the spring 1017, the dustproof protective cover 2016 is covered, the sampling needle 2 is removed again, the movable rod 2013 is pressed, and the movable rod 2013 moves along the extrusion groove 2011 to rapidly push the extracted tumor cells out of the needle 202.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a breast cancer tumor cell sampling device, includes barrel (1) and sampling needle (2), its characterized in that: the gun barrel (1) comprises a shell (101), a movable tube (102) and a sampling rod (103), a supporting limiting ring (1011) is arranged in the shell (101), movable ports (1012) and adjusting ports (1013) are arranged at two ends of the shell (101), an operation port (1014) and a grip (1018) are arranged on the periphery of the shell (101), a handle (1015) is hinged in the operation port (1014), the sampling rod (103) is arranged in the movable tube (102), the sampling rod (103) penetrates through the movable tube (102) and extends to the outside through the adjusting ports (1013), a groove (1031) is formed in the other end face of the sampling rod (103), a sampling needle (2) is arranged at one end of the sampling rod (103), the sampling needle (2) comprises a fixed tube (201) and a needle (202), a pressing groove (2011) is formed in the fixed tube (201), a pressing spring (2011) is arranged in the pressing groove, a movable rod (2013) is arranged in the fixed tube (201), and the periphery of the movable rod (103) is provided with a pressing spring 2012 and a free slip ring (2014).

2. The breast cancer tumor cell sampling device according to claim 1, wherein the support stop collar (1011) and the movable port (1012) are shaped and sized to fit the movable tube (102), and the support stop collar (1011) and the movable port (1012) are nested with the movable tube (102).

3. The breast cancer tumor cell sampling apparatus according to claim 1, wherein the handle (1015) is positioned to fit the movable tube (102), and the handle (1015) is matched with the movable tube (102).

4. The breast cancer tumor cell sampling device according to claim 1, wherein the slip ring (2014) is shaped and sized to fit in the extrusion groove (2011), and the movable rod (2013) is matched with the extrusion groove (2011).

5. The breast cancer tumor cell sampling device according to claim 1, wherein a protrusion (1016) is arranged on one surface of the handle (1015), a spring (1017) is arranged on the inner circumferential side surface of the movable port (1012), a fixed ring (1021) is arranged on the circumferential side surface of the movable tube (102), and the free end of the spring (1017) is fixedly connected with the fixed ring (1021).

6. The breast cancer tumor cell sampling device according to claim 1, wherein the sampling rod (103) is in threaded connection with the sampling needle (2), two ventilation holes (2015) are formed in the peripheral side face of the needle (202), and a dustproof protective cover (2016) is arranged on the peripheral side face of the sampling needle (2).