CN220275631U

CN220275631U - Tumor cell sampling and inspecting device

Info

Publication number: CN220275631U
Application number: CN202320727342.8U
Authority: CN
Inventors: 裴家平; 刘陈才; 裴超
Original assignee: Nanjing Ruiqinsheng Biotechnology Co ltd
Current assignee: Nanjing Ruiqinsheng Biotechnology Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2024-01-02
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a tumor cell sampling and inspecting device which comprises a shell, a needle body and a sliding piece, wherein a storage cavity is formed in the shell, the needle body is hollow, a first end of the needle body extends out of the shell, a second end of the needle body is communicated with the storage cavity, the sliding piece is arranged in the storage cavity in a sliding mode to perform piston movement, and a drip tube communicated with the storage cavity is arranged on an annular surface of the shell. According to the tumor cell sampling and inspecting device provided by the utility model, the needle body and the sliding part on the shell are utilized to insert the needle body into a tumor, so that the sliding part is positioned in the storage cavity of the shell to move to suck tumor cells into the storage cavity through the needle body, when the tumor cells in the storage cavity need to be taken out, the tumor cells in the storage cavity can be dripped out through the dripping pipe, and the damage of the tumor cells caused by the pressure generated when the sliding part is used for sliding and extruding the tumor cells can be avoided, and the influence on the subsequent tumor cell detection is avoided.

Description

Tumor cell sampling and inspecting device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a tumor cell sampling and inspection device.

Background

At present, when tumor cells are sampled clinically, a sampling needle of a sampling and inspection device is usually penetrated into a human body, and then a sample is extracted by utilizing the principle of negative pressure suction.

According to publication number CN213883313U, publication (bulletin) day: 2021.08.06 the disclosed tumor cell extraction and inspection device comprises an extraction device body, a push rod and an extraction needle, wherein one end of the extraction device body is fixedly connected with a connecting threaded pipe, a rubber sealing block is fixedly connected in the connecting threaded pipe, one end of the push rod is fixedly connected with a piston, the piston is in sliding connection with the extraction device body in the extraction device body, and one end of the push rod away from the piston is fixedly connected with a handle; when using this device, can pass fixed sleeve and rubber seal piece with the one end of extraction needle, then insert this internal with the extraction needle extraction device, be connected fixed block and fixed sleeve again to play a fixed effect to the extraction needle, prevent that it from rocking because fixed not firmly takes place at the in-process of gathering, can not influence medical personnel's extraction to tumour cell, increased medical personnel's work efficiency.

In the prior art including the above patent, the tumor is pierced by the extraction needle, the push rod is moved to generate negative pressure, the tumor cells are sucked into the extraction device body by the negative pressure to complete sampling, but when the obtained tumor cell sample needs to be taken out, the push rod is required to be moved to extrude the tumor cells in the extraction device body, and the tumor cells are easily damaged by the pressure generated in the extrusion process, so that the subsequent assay and detection are affected.

Disclosure of Invention

The utility model aims to provide a tumor cell sampling and inspecting device which is used for solving the problem that the pressure generated when a push rod is used for extruding tumor cells is easy to damage the tumor cells so as to influence the follow-up detection.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a tumour cell sample censorship device, includes casing, needle body and slider, the storage chamber has been seted up in the casing, the needle body is the cavity form, the first end of needle body stretches out the casing outside, the second end of needle body with the storage chamber is linked together, the slider slip set up in the intracavity is done the piston motion, be provided with on the ring surface of casing with the drip tube that the storage chamber is linked together.

Preferably, the first side of the sliding part is fixedly connected with a flexible glue plate, the second end of the needle body is provided with an annular blade, the second end of the needle body stretches into the storage cavity, and the sliding part is driven to slide so that the annular blade is inserted into the flexible glue plate to be located in the storage cavity to form a closed space.

Preferably, the sliding piece further comprises a holding rod, wherein the first end of the holding rod is provided with a mounting part, the second side surface of the sliding piece is provided with a mounting hole, and the mounting part is in threaded connection with the mounting hole.

Preferably, the second side surface of the sliding piece is symmetrically provided with protruding parts, and the protruding parts are provided with concave arc-shaped pressing grooves.

Preferably, a blocking element for blocking the drip line is also included.

Preferably, the blocking piece is a medical rubber piece.

In the technical scheme, the tumor cell sampling and inspecting device provided by the utility model has the following beneficial effects: utilize needle body and slider on the casing, insert the tumour with the needle body in, make the slider be located the storage intracavity piston motion of casing in order to inhale the storage intracavity with the tumour cell through the needle body, when the tumour cell that needs to take out the storage intracavity takes out, can drip out the tumour cell that the intracavity was stored through the drip tube, the pressure that produces when can avoiding using the slider to slide to extrude the tumour cell makes the tumour cell damaged, avoids influencing subsequent tumour cell detection.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic view of a general cross-section of a structure provided by an embodiment of the present utility model;

fig. 3 is a schematic view of an overall explosion structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a housing; 11. a storage chamber; 12. a drip-out tube; 2. a needle body; 21. an insertion end; 22. an annular blade; 3. a slider; 31. a mounting hole; 32. a protruding portion; 321. a pressing groove; 4. a grip lever; 41. a mounting part; 5. a blocking member; 6. and (5) a soft rubber plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

As shown in fig. 1-3, a tumor cell sampling and inspecting device comprises a casing 1, a needle body 2 and a sliding piece 3, wherein a storage cavity 11 is formed in the casing 1, the needle body 2 is hollow, a first end of the needle body 2 extends out of the casing 1, a second end of the needle body 2 is communicated with the storage cavity 11, the sliding piece 3 is slidably arranged in the storage cavity 11 to perform a piston movement, and a dripping pipe 12 communicated with the storage cavity 11 is arranged on an annular surface of the casing 1.

Specifically, as shown in fig. 1, the left end of the needle body 2 is a first end, the right end is a second end, the left end of the needle body 2 is chamfered to form an insertion end 21, the two ends of the needle body 2 are through and hollow, the needle body 2 is inserted into a tumor during use, the sliding piece 3 is positioned in the storage cavity 11 of the shell 1, the piston moves to suck tumor cells into the storage cavity 11 through the needle body 2, when the tumor cells in the storage cavity 11 need to be taken out, the tumor cells in the storage cavity 11 can be dripped out through the dripping pipe 12, the pressure generated when the sliding piece 3 slides and extrudes the tumor cells can be avoided, the tumor cells are prevented from being damaged, the influence on the subsequent tumor cell detection is avoided, and then medical staff can grasp the dripping pipe 12 by hand during the process of extracting the tumor cells to increase the holding stability of the shell 1.

In the above technical scheme, utilize needle 2 and slider 3 on casing 1, insert in the tumour with needle 2, make slider 3 be located the storage chamber 11 internal piston motion of casing 1 in order to inhale the storage chamber 11 with the tumour cell through needle 2, when the tumour cell in the storage chamber 11 is taken out to needs, can drip out through the delivery tube 12 with the tumour cell in the storage chamber 11, can avoid using the slider 3 slip to extrude the pressure that produces when the tumour cell and make the tumour cell damaged, avoid influencing subsequent tumour cell detection.

As a further provided embodiment, fixedly connected with flexible glue plate 6 on the first side of slider 3, the second end of needle body 2 is provided with annular sword 22, and the second end of needle body 2 stretches into in the storage chamber 11, and slider 3 is driven to slide makes annular sword 22 insert in flexible glue plate 6 in order to be located in the storage chamber 11 and forms airtight space.

Specifically, as shown in fig. 2, the left side surface of the sliding member 3 is a first side surface, the right side surface is a second side surface, the right end of the needle body 2 is an annular blade 22, the right end of the needle body 2 extends into the storage cavity 11, when tumor cells are sucked into the storage cavity 11 through the needle body 2, the sliding member 3 can slide into the storage cavity 11 to enable the flexible glue plate 6 to approach the annular blade 22 of the needle body 2 until the annular blade 22 of the right end of the needle body 2 is inserted into the flexible glue plate 6, the flexible glue plate 6 seals the right end of the needle body 2, at this time, a closed space is formed in the storage cavity 11 because the storage cavity 11 is not communicated with the needle body 2 any more, at this time, the tumor cells are stored in the closed space in the storage cavity 11 so as to facilitate subsequent transportation and inspection, and the tumor cells in the closed space of the storage cavity 11 can only drip out through the drip tube 12, so that the tumor cells are prevented from contacting with external air, and interference on inspection results is reduced.

As a further provided embodiment of the present utility model, the utility model further comprises a holding rod 4, wherein the first end of the holding rod 4 is provided with a mounting portion 41, the second side surface of the sliding member 3 is provided with a mounting hole 31, and the mounting portion 41 is in threaded connection with the mounting hole 31.

Specifically, as shown in fig. 2, the right side of the sliding member 3 is a first side, the left end of the holding rod 4 is a first end, the mounting portion 41 is threadably mounted in the mounting hole 31 to connect the sliding member 3 and the holding rod 4 to each other, the holding rod 4 can be gripped to drive the sliding member 3 to perform a piston motion to suck tumor cells, and when the drawing is completed and the inspection is required, the holding rod 4 can be removed by the threads to reduce the overall volume, thereby facilitating the transportation and inspection of the whole tumor cell samples therein.

As a further provided embodiment of the present utility model, the second side of the sliding member 3 is symmetrically provided with protruding portions 32, and the protruding portions 32 are provided with concave arc-shaped pressing grooves 321.

Specifically, the second side of slider 3 is provided with protruding portion 32 symmetrically, the protruding portion 32 is last to have seted up and is concave arc-shaped pressing groove 321, when slider 3 slides and makes soft offset plate 6 with the right-hand member shutoff of needle body 2, form the airtight space that is used for storing tumor cell in the storage chamber 11, and when the tumor cell in the airtight space is taken out to needs, can drip tumor cell naturally through the delivery tube 12, sampling personnel also can press the pressing groove 321 of protruding portion 32 with the thumb in order to exert pressure to slider 3, slider 3 atress slightly deforms in order to produce certain atmospheric pressure in the airtight space this moment, in order to increase the speed that tumor cell drips out from delivery tube 12, the tumor cell's of being convenient for take out.

As a further provided embodiment of the present utility model, a blocking member 5 for blocking the drip tube 12 is also included.

Specifically, the plugging piece 5 is plugged on the drip tube 12 to plug, so as to avoid the failure of extraction caused by insufficient air tightness in the storage cavity 11 when the tumor cell sample is extracted.

As a further provided embodiment of the present utility model, the blocking member 5 is a medical rubber member.

Specifically, the plugging piece 5 made of medical rubber is harmless to human body, and has certain flexibility, so that the air tightness of the plugging piece 5 can be improved.

Working principle: when a tumor cell sample is to be extracted, the drip tube 12 is plugged by using the plugging piece 5, the mounting part 41 of the holding rod 4 can be installed in the mounting hole 31 in a threaded manner so that the sliding piece 3 and the holding rod 4 are connected with each other, the needle body 2 is inserted into a tumor, the holding rod 4 is gripped to drive the sliding piece 3 to perform a piston motion so as to suck tumor cells into the storage cavity 11 through the needle body 2, when the tumor cells are sucked into the storage cavity 11 through the needle body 2, the sliding piece 3 can slide into the storage cavity 11 so that the soft rubber plate 6 approaches the annular edge 22 of the needle body 2 until the annular edge 22 of the right end of the needle body 2 is inserted into the soft rubber plate 6, the right end of the needle body 2 is plugged by the soft rubber plate 6, a closed space for storing the tumor cells is formed in the storage cavity 11, then the holding rod 4 is removed by threads so as to facilitate the whole transportation and examination, when the tumor cells in the closed space need to be taken out, the tumor cells can be naturally dripped out through the drip tube 12, and a sampling staff can also slightly deform the sliding piece 3 by applying a pressure to the sliding piece 3 with a certain pressure to the thumb by pressing the protruding part 32 so as to slightly increase the pressure to generate a certain pressure to deform the tumor cell from the closed space 12.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a tumor cell sample send and examine device, its characterized in that includes casing (1), needle body (2) and slider (3), storage chamber (11) have been seted up in casing (1), needle body (2) are the cavity form, the first end of needle body (2) stretches out the casing (1) outside, the second end of needle body (2) with storage chamber (11) are linked together, slider (3) slip set up in do the piston motion in storage chamber (11), be provided with on the annular face of casing (1) with drip pipe (12) that storage chamber (11) are linked together.

2. The tumor cell sampling and screening device according to claim 1, wherein a soft rubber plate (6) is fixedly connected to a first side surface of the sliding member (3), an annular blade (22) is arranged at a second end of the needle body (2), the second end of the needle body (2) stretches into the storage cavity (11), and the sliding member (3) is driven to slide so that the annular blade (22) is inserted into the soft rubber plate (6) to be located in the storage cavity (11) to form a closed space.

3. The tumor cell sampling and feeding device according to claim 1, further comprising a holding rod (4), wherein a mounting portion (41) is arranged at a first end of the holding rod (4), a mounting hole (31) is formed in a second side surface of the sliding member (3), and the mounting portion (41) is in threaded connection with the mounting hole (31).

4. A tumor cell sampling and feeding device according to claim 3, wherein the second side of the sliding member (3) is symmetrically provided with protruding parts (32), and the protruding parts (32) are provided with concave arc-shaped pressing grooves (321).

5. A tumor cell sampling and feeding device according to claim 1, further comprising a blocking member (5) for blocking the drip tube (12).

6. The tumor cell sampling and feeding device according to claim 5, wherein the blocking member (5) is a medical rubber member.