CN211355610U

CN211355610U - Sampler for medical oncology

Info

Publication number: CN211355610U
Application number: CN201921743234.XU
Authority: CN
Inventors: 胡艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-08-28
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a sampler for medical oncology, which comprises a sampling cylinder and a sampling needle; a piston is inserted into the sampling cylinder, a push-pull rod is fixedly installed on the left side of the piston, a handle is fixedly installed on the left end of the push-pull rod, an installation seat is fixedly installed on the left side of the sampling needle, an installation opening is formed in the right end of the sampling cylinder, an external thread A is formed in the outer wall of the installation opening, an internal thread is formed in the inner wall of the installation seat, and the external thread A is located in the internal thread and is in rotational connection; the needle core is rotatably installed on the right side of the piston, and a scraper is fixedly installed at the right end of the needle core and in the sampling needle. The utility model discloses a mount pad is rotatory on the installing port, can realize the split work of sampling probe and sampling tube this moment, and the cleaning and disinfection work after sampling tube and the sampling probe use of taking out and the tumor tissue of can being convenient for this moment avoids unable dismantlement to cause inconvenient.

Description

Sampler for medical oncology

Technical Field

The utility model relates to a tumour sample technical field specifically is a sampler for oncology.

Background

At present, in clinical practice in oncology, a patient needs to be biopsied, in which a small or several pieces of tissue are taken from living tissue for pathological examination to analyze the tissue change condition of the patient so as to determine diagnosis, and when medical staff take a biopsy sample of the patient, a syringe is generally used to pierce the inside of a tumor to extract the sample in a suction manner, but the existing sampler for oncology still has some defects, for example;

a body surface tumor sampler with the publication number of CN202776390U is characterized in that a needle core is pushed into a needle head at the front end of a needle tube through a needle handle, then the needle head penetrates into tumor tissue, the needle core is pushed outwards again through the needle handle, tissue to be sampled is separated through a scraper at the front end of the needle core, then the needle handle is pulled to drive a piston to move in the needle tube, negative pressure is formed in the needle tube, the separated sample enters the needle tube through the needle head under the action of the negative pressure, and the sampling efficiency of the sample can be further improved through a groove at the front end of the needle head; however, this device has the following disadvantages:

1. the needle head and the needle tube of the device can not be disassembled, so that the cleaning and disinfection work is inconvenient after the use, and the hidden health trouble is easy to exist;

2. the needle core and the scraper of the device can not be disassembled and replaced, so that the device can not be used after the use of the device is deformed, the whole device needs to be replaced, and the waste is high;

3. when the device is used, corresponding anti-slip measures are not installed, so that the device is easy to slip when in use, and the operation stability is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sampler for medical oncology has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sampler for medical oncology comprises a sampling cylinder and a sampling needle;

a piston is inserted into the sampling cylinder, a push-pull rod is fixedly installed on the left side of the piston, a handle is fixedly installed on the left end of the push-pull rod, an installation seat is fixedly installed on the left side of the sampling needle, an installation opening is formed in the right end of the sampling cylinder, an external thread A is formed in the outer wall of the installation opening, an internal thread is formed in the inner wall of the installation seat, and the external thread A is located in the internal thread and is in rotational connection;

the needle core is rotatably installed on the right side of the piston, and a scraper is fixedly installed at the right end of the needle core and in the sampling needle.

As an optimized embodiment of the utility model, external screw thread B has been seted up to nook closing member left end outer wall, piston right side centre of a circle department has seted up the screw, external screw thread B is located screw internal rotation fixed.

As a preferred embodiment of the utility model, the rubber sleeve is sleeved outside the sampling tube.

As an optimized embodiment of the utility model, the viewing port has all been seted up to rubber sleeve both sides.

As a preferred embodiment of the utility model, the rubber pad is pasted to the handle left end.

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

1. the utility model relates to a sampler for oncology department rotates on being located the installing port through the mount pad, can realize the split work of sampling needle and sampler barrel this moment, and the cleaning and disinfection work after taking out and sampler barrel and the use of sampler barrel that can be convenient for tumorous tissue this moment avoids unable dismantlement to cause inconvenient.

2. The utility model relates to a sampler for medical oncology can realize the dismantlement work of nook closing member and scraper through external screw thread B is located the screw internal rotation, avoids long-time use its scraper to appear warping unable normal use, does benefit to subsequent long-term use.

3. The utility model relates to a sampler for oncology can improve the frictional force when medical personnel grip the sampler barrel through the rubber sleeve to accurate nature and stability when improving the operation, and the observation in the sampler barrel of can being convenient for through the viewing aperture, and can improve the frictional force when the handle uses through the rubber pad, thereby stability when ensureing the operation avoids the landing to take off the hand.

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 schematic view of an elevational structure of a sampler for medical oncology of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the sampler for medical oncology of the present invention;

fig. 3 is the utility model relates to a split structure schematic diagram of sampler for medical oncology.

In the figure: 1. a sampling tube; 2. a rubber sleeve; 3. a viewing port; 4. a mounting seat; 5. a sampling needle; 6. a push-pull rod; 7. a handle; 8. a rubber pad; 9. a piston; 10. a needle core; 11. a scraper; 12. a screw hole; 13. an external thread B; 14. an internal thread; 15. an installation port; 16. and (4) external threads A.

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 sampler for medical oncology comprises a sampling cylinder 1 and a sampling needle 5;

a piston 9 is inserted into the sampling cylinder 1, a push-pull rod 6 is fixedly installed on the left side of the piston 9, a handle 7 is fixedly installed on the left end of the push-pull rod 6, an installation seat 4 is fixedly installed on the left side of the sampling needle 5, an installation opening 15 is formed in the right end of the sampling cylinder 1, an external thread A16 is formed in the outer wall of the installation opening 15, an internal thread 14 is formed in the inner wall of the installation seat 4, and the external thread A16 is located in the internal thread 14 and is connected in a;

the right side of the piston 9 is rotatably provided with a needle core 10, and the right end of the needle core 10 is fixedly provided with a scraper 11 in the sampling needle 5.

In this embodiment (please refer to fig. 1, fig. 2 and fig. 3), the mounting seat 4 is positioned on the mounting opening 15 to rotate, so that the detachment of the sampling needle 5 and the sampling tube 1 can be realized, the tumor tissue can be conveniently taken out, and the cleaning and disinfecting work after the sampling tube 1 and the sampling needle 5 are used can be conveniently performed, thereby avoiding the inconvenience in cleaning caused by the incapability of detachment.

Wherein, the outer wall of the left end of the stylet 10 is provided with an external thread B13, the center of the circle of the right side of the piston 9 is provided with a screw hole 12, and the external thread B13 is positioned in the screw hole 12 and is fixed in a rotating way.

In this embodiment (please refer to fig. 3), the outer thread B13 is located in the screw hole 12 to rotate, so as to detach the stylet 10 and the scraper 11, thereby preventing the scraper 11 from deforming and being unable to be used normally after long-term use, and facilitating subsequent long-term use.

Wherein, the outer side of the sampling tube 1 is sleeved with a rubber sleeve 2.

In this embodiment (please refer to fig. 1), the rubber sleeve 2 can increase the friction force when the medical staff holds the sampling tube 1, thereby increasing the precision and stability during operation.

Wherein, viewing ports 3 are arranged on both sides of the rubber sleeve 2.

In this embodiment (see fig. 1), the observation of the sampling tube 1 can be facilitated through the observation port 3.

Wherein, a rubber pad 8 is stuck at the left end of the handle 7.

In this embodiment (see fig. 1), the rubber pad 8 can increase the friction force of the handle 7 during use, thereby ensuring the stability during operation and preventing the handle from slipping off the hand.

The utility model relates to a sampler for medical oncology, which comprises a sampler 1 and a sampling tube; 2. a rubber sleeve; 3. a viewing port; 4. a mounting seat; 5. a sampling needle; 6. a push-pull rod; 7. a handle; 8. a rubber pad; 9. a piston; 10. a needle core; 11. a scraper; 12. a screw hole; 13. an external thread B; 14. an internal thread; 15. an installation port; 16. the external thread A is a universal standard component or a component known by technicians in the field, the structure and the principle of the external thread A are known by technicians through technical manuals or conventional experimental methods, when the sampling tube 1 is held by a medical worker, the piston 9 can be pushed to be positioned in the sampling tube 1 through the handle 7 to move, the needle core 10 and the scraper 11 can be moved to be arranged in the sampling needle 5, the sampling needle 5 is inserted into tumor tissue, the handle 7 is pulled outwards to drive the scraper 11 to move leftwards, the tumor tissue can be taken out through the scraper 11, the device can be positioned on the mounting port 15 to rotate through the mounting seat 4 after being used, the separation work of the sampling needle 5 and the sampling tube 1 can be realized, the tumor tissue can be taken out conveniently, and the cleaning and the disinfection work after the sampling tube 1 and the sampling needle 5 are used can be realized, avoid the clearance inconvenience that unable dismantlement caused, and lie in screw 12 internal rotation through external screw thread B13 and can realize the dismantlement work of nook closing member 10 and scraper 11, avoid long-time use back its scraper 11 to appear warping unable normal use, do benefit to subsequent long-term use, and can improve medical personnel through rubber sleeve 2 and grip the frictional force when sampler barrel 1, thereby improve accurate nature and stability when operating, and can be convenient for the observation in the sampler barrel 1 through viewing aperture 3, and can improve the frictional force when handle 7 uses through rubber pad 8, thereby ensure the stability when operating, avoid the landing to take off one's hand.

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 sampler for medical oncology is characterized by comprising a sampling cylinder (1) and a sampling needle (5);

a piston (9) is inserted into the sampling cylinder (1), a push-pull rod (6) is fixedly installed on the left side of the piston (9), a handle (7) is fixedly installed on the left end of the push-pull rod (6), an installation seat (4) is fixedly installed on the left side of the sampling needle (5), an installation opening (15) is formed in the right end of the sampling cylinder (1), an external thread A (16) is formed in the outer wall of the installation opening (15), an internal thread (14) is formed in the inner wall of the installation seat (4), and the external thread A (16) is located in the internal thread (14) and is in rotational connection;

the needle core (10) is rotatably installed on the right side of the piston (9), and a scraper (11) is fixedly installed at the right end of the needle core (10) and is located in the sampling needle (5).

2. The sampler for medical oncology according to claim 1, characterized in that: the outer wall of the left end of the needle core (10) is provided with an external thread B (13), the center of a circle on the right side of the piston (9) is provided with a screw hole (12), and the external thread B (13) is positioned in the screw hole (12) and is rotationally fixed.

3. The sampler for medical oncology according to claim 1, characterized in that: the outer side of the sampling tube (1) is sleeved with a rubber sleeve (2).

4. A sampler for medical oncology according to claim 3, characterized in that: and the two sides of the rubber sleeve (2) are provided with observation ports (3).

5. The sampler for medical oncology according to claim 1, characterized in that: a rubber pad (8) is stuck at the left end of the handle (7).