CN210990418U

CN210990418U - Tumor biopsy sampler

Info

Publication number: CN210990418U
Application number: CN201920686773.8U
Authority: CN
Inventors: 姜烨; 李功卓
Original assignee: Guihang Guiyang Hospital
Current assignee: Guihang Guiyang Hospital
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-07-14
Anticipated expiration: 2029-05-07

Abstract

The utility model discloses a tumour biopsy sampler, including the needle tubing, the left end of needle tubing is equipped with the cutting head, the fixed surface of cutting head installs cutting blade, cutting blade is sixty degrees fixed mounting, the needle tubing inner chamber is provided with the push rod, four spouts, four have been seted up to the inner wall of needle tubing all be equipped with the slider in the spout. The utility model discloses a cutting head gets into the inside of tumour, thereby it is rotatory in the inside of tumour to drive the cutting head through rotatory needle tubing of handle, the cutting blade can cut tumour internal organization at rotatory in-process, thereby the tissue enters into the inner chamber of cutting head, then the inner chamber of cutting head is pushed into with the sampling plate through handle promotion push rod, the tissue that the pulling handle will cut through the sampling plate afterwards draws in the needle tubing inner chamber, then pour the tissue of cutting into the sample cup from the right-hand member of needle tubing in, can reduce the negative pressure like this and can damage the tissue, reduce the error of the examination of diagnosing.

Description

Tumor biopsy sampler

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a tumor biopsy sampler.

Background

Currently, there are some deficiencies with existing tumor biopsy samplers, such as; at present, generally use the syringe to pierce inside the tumour when carrying out tumour biopsy for patient and drawing materials clinically, draw the sample with the help of the negative pressure suction, it is very troublesome, waste time and energy to operate like this, and the negative pressure can be more serious to the tissue damage moreover, can influence the examination of diagnosing, has increased very big work degree of difficulty for medical staff.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tumour biopsy sampler has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tumor biopsy sampler comprises a needle tube, a cutting head is arranged at the left end of the needle tube, a cutting blade is fixedly arranged on the surface of the cutting head, the cutting blade is fixedly installed in a sixty-degree mode, a push rod is arranged in the inner cavity of the needle tube, four sliding grooves are formed in the inner wall of the needle tube, sliding blocks are arranged in the four sliding grooves, supporting rods are fixedly installed at the other ends of the four sliding blocks, the other ends of the four supporting rods are fixedly installed with the outer side of the push rod respectively, the left end of the push rod penetrates through the left end of the needle tube and is arranged in the inner cavity of the cutting head, the left end of the push rod is fixedly provided with a sampling plate, the right end of the push rod penetrates through the right end of the needle tube, the right end of the push rod is fixedly provided with a handle, the sampling cup is arranged on the lower side of the right end of the needle tube, and rotary grips are fixedly mounted at the upper end and the lower end of the outer side of the right end of the needle tube.

As an optimal implementation mode of the utility model, four the equal fixed mounting in both ends has the sealing strip, eight about the spout the other end of sealing strip is laminated with the both ends about four bracing pieces respectively.

As an embodiment of the present invention, the left end of the needle tube has been provided with an external thread, the right end of the cutting head has been provided with an internal thread, the external thread is connected with the internal thread screw.

As a preferred embodiment of the utility model, the outside surface of sampling cup is equipped with the scale.

As a preferred embodiment of the utility model, a guide plate is fixedly installed at the lower side of the right end of the needle tube.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a tumour biopsy sampler, get into the inside of tumour through the cutting head, thereby it is rotatory in the inside of tumour to drive the cutting head through the rotatory needle tubing of rotatory handle, the cutting blade can cut tumour internal tissue at rotatory in-process, thereby the tissue enters into the inner chamber of cutting head, then push the inner chamber that the sampling plate pushed into the cutting head through the handle push rod, the tissue that the pulling handle will cut through the sampling plate later draws in the needle tubing inner chamber, then pour the tissue of cutting into in the sampling cup from the right-hand member of needle tubing, can reduce the negative pressure like this and can damage the tissue, reduce the error of the examination of diagnosing.

2. The utility model relates to a tumour biopsy sampler prevents through the setting of sealing strip that the tissue that the cutting got off from entering into the spout in, the tissue can be destroyed to the friction between slider and the spout to influence the inspection of diagnosing.

3. The utility model relates to a tumour biopsy sampler through the change that can be convenient dismantle the cutting head wash and to the cutting head with the internal screw thread setting.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of a tumor biopsy sampler of the present invention;

FIG. 2 is a front view of a runner of a tumor biopsy sampler of the present invention;

fig. 3 is a front view of the cutting head of the tumor biopsy sampler of the present invention.

In the figure: 1. a needle tube; 2. a support bar; 3. a push rod; 4. a handle; 5. a sampling cup; 6. a graduated scale; 7. a baffle; 8. a cutting head; 9. a sampling plate; 10. an external thread; 11. a chute; 12. a slider; 13. a sealing strip; 14. an internal thread; 15. a cutting blade; 16. the grip is rotated.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: a tumor biopsy sampler comprises a needle tube 1, wherein a cutting head 8 is arranged at the left end of the needle tube 1, a cutting blade 15 is fixedly arranged on the surface of the cutting head 8, the cutting blade 15 is fixedly arranged in a sixty-degree manner, a push rod 3 is arranged in an inner cavity of the needle tube 1, four sliding grooves 11 are formed in the inner wall of the needle tube 1, a sliding block 12 is arranged in each sliding groove 11, a supporting rod 2 is fixedly arranged at the other end of each sliding block 12, the other end of each supporting rod 2 is fixedly arranged at the outer side of the corresponding push rod 3, the left end of the corresponding push rod 3 penetrates through the left end of the needle tube 1 and is arranged in the inner cavity of the corresponding cutting head 8, a sampling plate 9 is fixedly arranged at the left end of the corresponding push rod 3, the right end of the corresponding push rod 3 penetrates through the right end of the needle tube 1, a, equal fixed mounting in the upper and lower both ends in the needle tubing 1 right-hand member outside has rotatory handle 16, get into the inside of tumour through cutting head 8, then rotate the needle tubing 1 through rotatory handle 16 and drive cutting head 8 at the inside rotation of tumour, cutting blade 15 can cut tumour internal tissue at rotatory in-process, thereby the tissue enters into cutting head 8's inner chamber, then promote push rod 3 through handle 4 and push into sampling plate 9 the inner chamber of cutting head 8, pull handle 4 and pull into the needle tubing 1 inner chamber through the tissue that sampling plate 9 will cut off afterwards, then pour the tissue of cutting into in the sampling cup 5 from the right-hand member of needle tubing 1, can reduce negative pressure like this and can damage the tissue, reduce the error of the confirmed diagnosis inspection.

In this embodiment (as shown in fig. 2), four equal fixed mounting in both ends has sealing strip 13 about the spout 11, eight the other end of sealing strip 13 is laminated with the left and right ends of four bracing pieces 2 respectively, prevents through the setting of sealing strip 13 that the tissue that cuts off from entering into spout 11, and the friction between slider 12 and the spout 11 can destroy the tissue to influence the examination of concluding the diagnosis.

In this embodiment (see fig. 1), the left end of the needle tube 1 is provided with an external thread 10, the right end of the cutting head 8 is provided with an internal thread 14, the external thread 10 is in threaded connection with the internal thread 14, and the cutting head 8 can be conveniently detached and cleaned and replaced by the external thread 10 and the internal thread 14.

In this embodiment (see fig. 1), the outside surface of the sampling cup 5 is provided with a scale 6, and the volume of the tissue can be accurately measured by the scale 6.

In this embodiment (please refer to fig. 1), a guide plate 7 is fixedly installed at the lower side of the right end of the needle tube 1, the tissue can completely flow into the sampling cup 5 through the guide plate 7, and the tissue is prevented from flowing out of the sampling cup 5 to cause pollution and thus cause inspection errors.

It should be noted that the utility model relates to a tumor biopsy sampler, which comprises a needle tube 1, a support rod 2, a push rod 3, a handle 4, a sampling cup 5, a graduated scale 6, a guide plate 7, a cutting head 8, a sampling plate 9, an external thread 10, a sliding chute 11, a sliding block 12, a sealing strip 13, an internal thread 14, a cutting blade 15 and a rotary handle 16, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the sampler can be known by technical manuals or by conventional experimental methods, when in use, the sampler enters the interior of a tumor through the cutting head 8, then the needle tube 1 is rotated through the rotary handle 16 to drive the cutting head 8 to rotate in the interior of the tumor, the cutting blade 15 can cut the internal tissues of the tumor in the rotating process, so that the tissues enter the inner cavity of the cutting head 8, then the push rod 3 is pushed into the inner cavity of the cutting head 8 through the, pulling handle 4 draws in the needle tubing 1 inner chamber through the tissue that the sampling plate 9 will cut afterwards, then pour the tissue of cutting into in the sampling cup 5 from the right-hand member of needle tubing 1, can reduce the negative pressure like this and can damage the tissue, reduce the error of the examination of diagnosing, prevent through the setting of sealing strip 13 that the tissue that cuts from entering into spout 11, the friction between slider 12 and spout 11 can destroy the tissue, thereby influence the examination of diagnosing, can be convenient dismantle the cutting head 8 through setting up of external screw thread 10 and internal screw thread 14 and wash and change cutting head 8, the volume of measurement tissue that can be accurate through scale 6, can flow into the sampling cup 5 completely with the tissue through guide plate 7 in, prevent that the tissue from flowing to the sampling cup 5 outside and causing the pollution thereby cause the inspection error.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A tumor biopsy sampler comprising a needle cannula (1), characterized in that: the left end of needle tubing (1) is equipped with cutting head (8), the fixed surface of cutting head (8) installs cutting blade (15), cutting blade (15) are sixty degrees fixed mounting, needle tubing (1) inner chamber is provided with push rod (3), four spout (11) have been seted up to the inner wall of needle tubing (1), four all be equipped with slider (12) in spout (11), four equal fixed mounting has bracing piece (2) on the other end of slider (12), four the other end of bracing piece (2) respectively with the outside fixed mounting of push rod (3), the left end of push rod (3) runs through the inner chamber that the left end of needle tubing (1) was put in cutting head (8), the left end fixed mounting of push rod (3) has sampling board (9), the right-hand member of push rod (3) runs through the right-hand member of needle tubing (1), the right-hand member fixed mounting of push rod (3) has handle (4), the sampling cup (5) is arranged on the lower side of the right end of the needle tube (1), and rotary grips (16) are fixedly mounted at the upper end and the lower end of the outer side of the right end of the needle tube (1).

2. A tumor biopsy sampler according to claim 1, wherein: four equal fixed mounting in both ends has sealing strip (13), eight about spout (11) the other end of sealing strip (13) is laminated with the both ends about four bracing pieces (2) respectively.

3. A tumor biopsy sampler according to claim 1, wherein: the left end of the needle tube (1) is provided with an external thread (10), the right end of the cutting head (8) is provided with an internal thread (14), and the external thread (10) is in threaded connection with the internal thread (14).

4. A tumor biopsy sampler according to claim 1, wherein: and a graduated scale (6) is arranged on the outer side surface of the sampling cup (5).

5. A tumor biopsy sampler according to claim 1, wherein: a guide plate (7) is fixedly arranged on the lower side of the right end of the needle tube (1).