CN219331732U

CN219331732U - Sampling device convenient to separation

Info

Publication number: CN219331732U
Application number: CN202222922449.6U
Authority: CN
Inventors: 何义富; 吴书胜; 李梦鸽
Original assignee: Anhui Provincial Cancer Hospital
Current assignee: Anhui Provincial Cancer Hospital
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-07-14
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a sampling device convenient to separate, which comprises an operating handle and a sample reserving barrel arranged at the end part of the operating handle, wherein a sampling blade is accommodated in the end part of the sample reserving barrel far away from the operating handle, a transmission rod is arranged on the sampling blade, and the transmission rod sequentially penetrates through the sample reserving barrel and the operating handle and is connected with a sliding rotating mechanism; the sliding rotating mechanism can drive the sampling blade to extend out of or retract into the sample reserving barrel through the transmission rod, and can drive the sampling blade to rotate outside the sample reserving barrel. The utility model realizes the breaking sampling and fixed point sample retention of the tumor, can sample the hard part of the tumor, is convenient for separating the tumor sample from the tumor, and can continuously sample.

Description

Sampling device convenient to separation

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a sampling device convenient to separate.

Background

In tumor sampling, the tumor sample is not easy to separate from the tumor body, so that the sampling is affected. In order to achieve the purpose of facilitating separation and sampling, in the conventional method, a sampling needle is usually inserted directly into the tumor, and tissue in the tumor is extracted by sucking, for example, the utility model patent with publication number CN 214965970U. However, the current way of directly puncturing and extracting is mainly characterized by the following disadvantages: in the first aspect, the direct puncture mode can only sample partial soft tissues in the tumor, and when the tumor is in a block structure, the sampling can not be performed in an extraction mode; the second aspect is mainly that the current sampling method does not facilitate the separation of the tumor.

Disclosure of Invention

The utility model aims to provide a sampling device convenient to separate, which solves the technical problems that in the prior art, a suction mode can only sample soft tissues and separation is inconvenient.

In order to solve the technical problems, the utility model specifically provides the following technical scheme:

the sampling device convenient to separate comprises an operation handle and a sample reserving barrel arranged at the end part of the operation handle, wherein a sampling blade is stored in the end part of the sample reserving barrel far away from the operation handle, a transmission rod is arranged on the sampling blade, and the transmission rod sequentially penetrates through the sample reserving barrel and the operation handle and is connected with a sliding rotating mechanism;

the sliding rotating mechanism can drive the sampling blade to extend out of or retract into the sample reserving barrel through the transmission rod, and can drive the sampling blade to rotate outside the sample reserving barrel.

As a preferable scheme of the utility model, the sliding rotation mechanism comprises a cavity base fixedly arranged on the operating handle, a cam cylinder is rotatably arranged in the cavity base, the transmission rod is connected with the cam cylinder, a sliding groove is arranged on the outer wall of the cam cylinder, a sliding block is arranged in the sliding groove in a sliding manner, and the end part of the sliding block is fixedly arranged in the cavity base;

the upper end of the cam cylinder penetrates through the cavity base through a sliding rod and is connected with a pressing cylinder, the bottom of the sliding rod is fixedly arranged in the cam cylinder, and the end part of the sliding rod is arranged on the pressing cylinder in a sliding manner;

the pressing cylinder is sleeved at the upper end of the cavity base, a spring is arranged between the cavity base and the pressing cylinder, and the spring is compressed downwards when the pressing cylinder is pressed downwards.

As a preferable mode of the present utility model, the sliding groove includes a spiral upward groove installed at the circumferential side of the cam cylinder and a vertical downward groove connected end to end with the spiral upward groove, and the slider slides upward in the spiral upward groove when the pressing cylinder is pressed downward; when the pressing cylinder is released, the sliding block slides downwards in the vertical descending groove under the drive of the spring.

As a preferable scheme of the utility model, the vertical descending groove is internally provided with the ladder plates, the thickness of the ladder plates is sequentially reduced from top to bottom, and the joint of the vertical descending groove and the spiral ascending groove is horizontal.

As a preferable mode of the utility model, the sampling blade is a spiral blade with sharp edges, and the spiral direction of the spiral blade is the same as the spiral direction of the spiral ascending groove.

As a preferred mode of the utility model, the end of the sample reserving barrel is an inclined sharp angle, and the sampling blade is contracted in the sharp angle.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the telescopic and rotary blade is arranged at the end part of the sample reserving needle, tumors are crushed by rotating the blade, and tumor fragments are brought into the sample reserving barrel for sample reserving by telescoping the blade, so that the sample reserving device solves the problem that a general sampling needle cannot sample a hard part of the tumors, improves the original suction-insertion type sampling needle, perfects the sampling process of the suction-insertion type sampling needle in the improvement process, is convenient for separating tumor samples from the tumors, and can continuously sample.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

FIG. 1 is a schematic diagram of a tumor sampling apparatus for facilitating tumor isolation according to the present utility model;

FIG. 2 is a schematic view of a sliding and rotating mechanism according to the present utility model;

FIG. 3 is a schematic view of a flat layout of the outer wall of the cam cylinder according to the present utility model;

fig. 4 is a schematic structural view of a sampling blade according to the present utility model.

Reference numerals in the drawings are respectively as follows:

1-an operation handle; 2-reserving a sample cylinder; 3-a sampling blade; 4-a transmission rod; 5-a sliding rotation mechanism; 6-ladder plates;

501-a cavity base; 502-a cam cylinder; 503-a sliding groove; 504-a slider; 505-slide bar; 506-pressing the cylinder; 507-a spring;

5031-spiral up-slot; 5032-vertical downer.

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.

As shown in fig. 1 to 4, the utility model provides a sampling device convenient to separate, which comprises an operation handle 1 and a sample reserving barrel 2 arranged at the end part of the operation handle 1, wherein a sampling blade 3 is arranged in the end part of the sample reserving barrel 2 far away from the operation handle 1, a transmission rod 4 is arranged on the sampling blade 3, and the transmission rod 4 sequentially penetrates through the sample reserving barrel 2 and the operation handle 1 and is connected with a sliding rotation mechanism 5.

The sliding rotating mechanism 5 can drive the sampling blade 3 to extend out of or retract into the sample reserving barrel 2 through the transmission rod 4, and can drive the sampling blade 3 to rotate outside the sample reserving barrel 2.

In order to be able to crush the tumor sample, in this embodiment, the sampling blade 3 is added on the basis of the sample reserving barrel 2, the sampling blade 3, and the sampling blade 3 can be driven by the sliding rotation mechanism 5 to extend out of the sample reserving barrel 2, and the sliding rotation mechanism 5 can also drive the sampling blade 3 to retract into the sample reserving barrel 2, and when the sampling blade 3 extends out of the sample reserving barrel 2, the sliding rotation mechanism 5 drives the sampling blade 3 to rotate.

Specifically, firstly, the operating handle 1 is controlled, the end part of the sample reserving barrel 2 stretches into a tumor and falls into a proper position, secondly, the sliding rotating mechanism 5 is opened, the sliding rotating mechanism 5 drives the sampling blade 3 to stretch out and retract into the sample reserving barrel 2, wherein the sliding rotating mechanism 5 can drive the sampling blade 3 to rotate in the stretching, staying and retracting process of the sampling blade 3, at the moment, the sampling blade 3 breaks a tumor part needing to be sampled, when the sampling blade 3 is retracted into the sample reserving barrel 2, the partially broken tumor is brought into the sample reserving barrel 2, and tumor fragments entering the sample reserving barrel 2 are detection samples.

The sampling blade 3 can rotate in the process of extending out the sample reserving barrel 2 and also can rotate in the process of retracting into the sample reserving barrel 2, and the two modes can crush and reserve samples for tumors.

After one sample is reserved, other positions of the same tumor can be reserved. Since the end of the sampling blade 3 first enters the sample reserving barrel 2, when the sampling blade 3 stretches out of the sample reserving barrel 2 again, a large amount of broken tumors can remain in the sample reserving barrel 2, and the sampling blade 3 can reserve samples again at the sample reserving position of the next tumor.

In summary, the utility model improves the original suction-insertion type sampling needle, perfects the sampling process in the improvement process, breaks the tumor by rotating the blade, brings the tumor fragments into the sample-reserving barrel for sample reserving by stretching the blade, solves the problem that the general sampling needle can not sample the hard part of the tumor, is convenient for separating the tumor sample from the tumor, and can continuously sample.

Further, in the present utility model, the driving action of the sliding rotation mechanism 5 is a key for completing the sampling action, and the general sliding rotation mechanism 5 has motor control, etc., and the structural principle is complex, so that the sliding rotation mechanism 5 is difficult to use in the present utility model, and in order to make the structure of the sliding rotation mechanism 5 simpler, the driving action is more convenient, and the sliding rotation mechanism 5 is improved.

As described below, the sliding rotation mechanism 5 includes a cavity base 501 fixedly mounted on the operating handle 1, a cam cylinder 502 is rotatably disposed in the cavity base 501, the transmission rod 4 is connected with the cam cylinder 502, a sliding groove 503 is disposed on an outer wall of the cam cylinder 502, a sliding block 504 is slidably disposed in the sliding groove 503, and an end portion of the sliding block 504 is fixedly mounted in the cavity base 501;

the upper end of the cam cylinder 502 passes through the cavity base 501 through a sliding rod 505 and is connected with a pressing cylinder 506, the bottom of the sliding rod 505 is fixedly arranged in the cam cylinder 502, and the end part of the sliding rod 505 is arranged on the pressing cylinder 506 in a sliding way;

wherein, the pressing cylinder 506 is sleeved on the upper end of the cavity base 501, and a spring 507 is arranged between the cavity base 501 and the pressing cylinder 506, and the spring 507 is compressed downwards when the pressing cylinder 506 is pressed downwards.

Specifically, the pressing cylinder 506 can drive the transmission rod 4 to slide downwards by driving the cam cylinder 502 under the pressing of an external force, at this time, the spring 507 accumulates elastic potential energy, and when the external force disappears, the spring 507 releases the elastic potential energy, the pressing cylinder 506 ascends, and the cam cylinder 502 ascends and drives the transmission rod 4 to ascend. In this process, the action of the sampling blade 3 is the same as that of the transmission rod 4, when the pressing cylinder 506 is pressed downward, the sampling blade 3 extends out of the sample reserving cylinder 2, and when the pressing cylinder 506 is lifted, the sampling blade 3 retracts into the sample reserving cylinder 2.

In this embodiment, the sliding groove 503 has a specific shape, and the pressing of the pressing cylinder 506 causes the sliding block 504 to slide in the sliding groove 503, so that the sliding block 504 can rotate around the circumference of the cam cylinder 502, and the cam cylinder 502 can rotate to drive the driving rod 4 and the sampling blade 3 to rotate because the sliding block 504 is fixed.

According to the motion analysis of the sampling blade 3, it can be obtained that the user can realize the telescopic and rotary sampling motion of the sampling blade 3 by pressing the pressing cylinder 506 only, and the sampling device is convenient to use, simple to operate and easy to popularize and use.

Further, the shape of the slide groove 503 may be a spiral shape, and the specific structure is not limited, but in order to obtain more samples, the slide groove 503 is specifically structured as follows to prevent the sample blade 3 from pushing the tumor when it is extended and reducing the samples obtained when it is recovered.

Preferably, the sliding groove 503 includes a spiral upward groove 5031 installed at the circumferential side of the cam cylinder 502 and a vertical downward groove 5032 connected end to end with the spiral upward groove 5031, when the pressing cylinder 506 is pressed downward, the sliding block 504 slides upward in the spiral upward groove 5031, that is, the cam cylinder 502 slides downward in a rotating state, the sampling blade 3 rotates downward, and the tumor can be directly cut in the rotating process; when the pressing cylinder 506 is released, the sliding block 504 slides downwards in the vertical descending groove 5032 under the driving of the spring 507, that is, the cam cylinder 502 slides smoothly upwards, and the sampling blade 3 drives the tumor sample to enter the sample reserving cylinder 2.

Compared with the common cutting, the cutting effect of the downward rotating cutting is better, the cutting failure of the sampling blade 3 caused by the over-hard texture of the tumor can be prevented, and the cutting mode can greatly increase the success rate of sample retention.

Further, in order to prevent the sliding block 504 from sliding reversely, the vertical downward slot 5032 is provided with a ladder plate 6, and the thickness of the ladder plate 6 is reduced from top to bottom, so that the sliding block 504 is difficult to slide reversely in the vertical downward slot 5032, and the joint between the vertical downward slot 5032 and the spiral upward slot 5031 is horizontal.

In this embodiment, in order to further improve the cutting effect of the sampling blade 3, the sampling blade 3 is a spiral blade with sharp edges, and the spiral direction of the spiral blade is the same as the spiral direction of the spiral ascending groove 5031.

Preferably, in order to facilitate the entry of the sample retention tube 2 into the tumor, the end of the sample retention tube 2 is an inclined sharp angle, and the sampling blade 3 is contracted in the sharp angle.

Through the tumour sampling device convenient to separate tumour of this embodiment, can realize broken sample and fixed point and reserve a sample, solve the problem that general sample needle can't sample the hard position of tumour, be convenient for break away from between tumour sample and the tumour, and can sample continually.

The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements may be made to the present application by those skilled in the art, which modifications and equivalents are also considered to be within the scope of the present application.

Claims

1. The utility model provides a sampling device convenient to separation, its characterized in that includes handle (1) and installs sample reserving barrel (2) of handle (1) tip, sample reserving barrel (2) are kept away from accomodate in the tip of handle (1) and are provided with sampling blade (3), be provided with transfer line (4) on sampling blade (3), transfer line (4) pass in proper order sample reserving barrel (2) handle (1) and be connected with slip rotary mechanism (5);

the sliding rotating mechanism (5) can drive the sampling blade (3) to extend out of or retract into the sample reserving barrel (2) through the transmission rod (4), and can drive the sampling blade (3) to rotate outside the sample reserving barrel (2).

2. A sampling device for facilitating separation according to claim 1, characterized in that the sliding rotation mechanism (5) comprises a cavity base (501) fixedly mounted on the operating handle (1), a cam cylinder (502) is rotatably arranged in the cavity base (501), the transmission rod (4) is connected with the cam cylinder (502), a sliding groove (503) is arranged on the outer wall of the cam cylinder (502), a sliding block (504) is arranged in the sliding groove (503), and the end part of the sliding block (504) is fixedly mounted in the cavity base (501);

the upper end of the cam cylinder (502) penetrates through the cavity base (501) through a sliding rod (505) and is connected with a pressing cylinder (506), the bottom of the sliding rod (505) is fixedly arranged in the cam cylinder (502), and the end part of the sliding rod (505) is arranged on the pressing cylinder (506) in a sliding manner;

the pressing cylinder (506) is sleeved at the upper end of the cavity base (501), a spring (507) is arranged between the cavity base (501) and the pressing cylinder (506), and when the pressing cylinder (506) is pressed downwards, the spring (507) is compressed downwards.

3. A sampling device for facilitating separation according to claim 2, wherein the sliding groove (503) comprises a spiral upward groove (5031) installed on the circumferential side of the cam cylinder (502) and a vertical downward groove (5032) connected end to end with the spiral upward groove (5031), and the slider (504) slides upward in the spiral upward groove (5031) when the pressing cylinder (506) is pressed downward; when the pressing cylinder (506) is released, the sliding block (504) slides downwards in the vertical descending groove (5032) under the drive of the spring (507).

4. A sampling device for facilitating separation according to claim 3, characterized in that a step (6) is provided in the vertical downward channel (5032), the thickness of the step (6) decreases from top to bottom, and the junction between the vertical downward channel (5032) and the spiral upward channel (5031) is horizontal.

5. A sampling device for facilitating separation according to claim 3, characterized in that the sampling blade (3) is a sharp-edged helical blade and the helical direction of the helical blade is the same as the helical direction of the helical upstream groove (5031).

6. A sampling device for facilitating separation according to claim 1, wherein the end of the cartridge (2) is a beveled sharp corner within which the sampling blade (3) is retracted.