CN214907372U - Tissue sampling device - Google Patents

Abstract

The utility model relates to a medical equipment field, more specifically relates to a tissue sampling device. A tissue sampling device comprises a sleeve with an opening at one end and a closed end and a needle tube arranged in the sleeve, wherein a conical needle head is arranged at one end of the needle tube, a handle is arranged at the other end of the needle tube, and the handle is detachably connected with the sleeve; the conical needle head and the needle tube are in smooth transition, an open slot is formed in one end, close to the conical needle head, of the needle tube, and a cutting blade used for cutting tissues is arranged on the open slot. The utility model discloses simple structure, the sleeve pipe can protect the syringe needle around the sample to avoid receiving the pollution, and the sleeve pipe can also make things convenient for the centrifugal treatment in later stage simultaneously, has avoided the extravagant problem of material.

Description

Tissue sampling device

Technical Field

The utility model relates to a medical equipment field, more specifically relates to a tissue sampling device.

Background

In the existing industry, when sampling animal tissues, the device for storing the tissue collector and the device for storing the tissues are generally not the same device, which results in the waste of consumables and increases unnecessary manpower and cost. The Chinese patent application, publication number is: CN211911669U, which discloses a tumor tissue sampler, comprising a sample collection needle housed in an outer cylinder of a biopsy needle for biological tissue collection, for collecting a sample for tissue diagnosis from a target tissue and serving as an inner needle, and a container for receiving the collected tumor tissue sample, characterized in that: the needle further includes a handle and a sample collection unit having a spiral groove forming a closed space for collecting a sample with an outer cylinder and extending from a distal end of the needle to a front end of the handle, and a tapered tip protrusion protruding from a front end side direction of the sample collection unit, the sample collection unit having a cutting blade fixed to a front end of the spiral groove and rotating in the outer cylinder with rotation of the sample collection unit to cut a target tissue, a cutting unit for forming a cut along an outer circumference of the sample collection unit in the target tissue, and a scraping part for scraping an inside of the cut in the target tissue and feeding it into the spiral groove. Although the tissue can be collected to a certain extent by the disclosed technical scheme, the outer cylinder for storing the collection needle and the container for storing the tissue sample are different devices, and the device still has the waste of consumables, so that unnecessary cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an among the above-mentioned prior art of overcoming, when taking a sample to animal tissue, the device of storing the tissue collector is not same device with the device of storing the tissue, has the extravagant problem of material, provides a tissue sampling device.

In order to solve the technical problem, the utility model discloses a technical scheme is: a tissue sampling device comprises a sleeve with an opening at one end and a closed end and a needle tube arranged in the sleeve, wherein a conical needle head is arranged at one end of the needle tube, a handle is arranged at the other end of the needle tube, and the handle is detachably connected with the sleeve; the conical needle head and the needle tube are in smooth transition, an open slot is formed in one end, close to the conical needle head, of the needle tube, and a cutting blade used for cutting tissues is arranged on the open slot. In this technical scheme, before the sample, handle and bushing, the syringe needle is arranged in the sleeve pipe, can prevent like this that the syringe needle from being contaminated, and during the sample, the sampling personnel utilize the toper syringe needle to take the opening groove of needle tubing to the tissue department of animal, and the collection personnel passes through the rotatory needle tubing of handle, cuts required tissue to the open slot through the cutting piece, and the needle tubing that will hold the tissue is put to the sleeve pipe in succession, accomplishes the collection to required tissue. This technical scheme simple structure, the sleeve pipe can protect the syringe needle around the sample to avoid receiving the pollution, and the sleeve pipe can also make things convenient for the centrifugal treatment in later stage simultaneously, has avoided the extravagant problem of material.

Preferably, the handle is sleeved on the outer peripheral surface of the sleeve.

Preferably, the handle is provided with an internal thread, the sleeve is provided with an external thread, and the handle is in threaded connection with the sleeve. In the technical scheme, the handle and the sleeve are connected through threads to play a role in sealing and storing, and meanwhile, the needle tube and the sleeve can move centrifugally together.

Preferably, a cavity structure is further arranged on the needle head, and the cavity structure is communicated with the open groove. In the technical scheme, the tissue cut by the cutting blade falls into the cavity structure through the open slot, so that the cut tissue can be prevented from sliding out of the open slot when the needle tube is pulled out.

Preferably, the cutting blade is positioned on the lateral edge of the open slot parallel to the axis of the needle tube. In this technical scheme, the cutting piece has the radian, and the cutting piece is connected with the smooth transition of needle tubing, can conveniently cut the animal tissue that is located the open slot like this.

Preferably, the needle tube is a capillary tube, and the cavity structure is communicated with the capillary tube. In the technical scheme, the needle tube can collect certain tissue fluid while collecting the tissue of the animal by utilizing the principle of capillary phenomenon, so that the time for subsequently storing the tissue can be prolonged.

Preferably, one end of the needle tube close to the handle is provided with an air outlet. In the technical scheme, the arrangement of the air outlet hole can facilitate the needle tube to suck tissue fluid.

Preferably, the outer surface of the needle tube is provided with scale marks. In the technical scheme, the depth of the needle tube entering the animal body can be accurately controlled, and the probability of taking out the required tissue is increased.

Preferably, the handle has a cross-sectional area greater than the cross-sectional area of the barrel. In the technical scheme, the sampling personnel can conveniently rotate the needle tube.

Preferably, the handle is provided with an anti-slip structure. In the technical scheme, the needle tube can be conveniently rotated and pulled out.

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

the utility model discloses in, before the sample, handle and bushing, the syringe needle is arranged in the sleeve pipe, can prevent like this that the syringe needle from being contaminated, and during the sample, the sampling personnel utilize the toper syringe needle to take the opening groove of needle tubing to the tissue department of animal, and the collection personnel passes through the rotatory needle tubing of handle, cuts required tissue to the open slot through the cutting piece, and the needle tubing that will contain the tissue is put to the sleeve pipe after that, accomplishes the collection to required tissue. This technical scheme simple structure, the sleeve pipe can protect the syringe needle around the sample to avoid receiving the pollution, and the sleeve pipe can also make things convenient for the centrifugal treatment in later stage simultaneously, has avoided the extravagant problem of material.

Drawings

FIG. 1 is a schematic view of the overall structure of the tissue sampling device of the present invention;

fig. 2 is a schematic view of a needle cannula of the tissue sampling device of the present invention.

In the drawings: 1. a sleeve; 2. a needle tube; 3. a conical needle head; 4. a handle; 5. an open slot; 6. an air outlet; 7. scale lines; 8. an anti-slip structure; 9. and cutting the slices.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

examples

As shown in fig. 1 and 2, a tissue sampling device comprises a sleeve 1 with an opening at one end and a closed end at the other end and a needle tube 2 arranged in the sleeve 1, wherein a conical needle head 3 is arranged at one end of the needle tube 2, a handle 4 is arranged at the other end of the needle tube 2, and the handle 4 is detachably connected with the sleeve 1; the conical needle head 3 and the needle tube 2 are in smooth transition, one end of the needle tube 2 close to the conical needle head 3 is provided with an open slot 5, and the open slot 5 is provided with a cutting blade 9 for cutting tissues. In this embodiment, before the sample, handle 4 is connected with sleeve pipe 1, and the syringe needle is located sleeve pipe 1, can prevent like this that the syringe needle from being contaminated, and during the sample, the personnel of sampling utilize toper syringe needle 3 to take open slot 5 of needle tubing 2 to the tissue department of animal, and the personnel of gathering passes through handle 4 rotatory needle tubing 2, cuts required tissue to open slot 5 through cutting piece 9 in, and the needle tubing 2 that will hold the tissue is put to sleeve pipe 1 afterwards, accomplishes the collection to required tissue. This embodiment simple structure, sleeve pipe 1 can protect the sample front and back syringe needle to avoid receiving the pollution, and sleeve pipe 1 can also make things convenient for the centrifugal treatment in later stage simultaneously, has avoided the extravagant problem of material. Wherein, the handle 4 is sleeved on the peripheral surface of the sleeve 1.

In addition, the handle 4 is provided with internal threads, the sleeve 1 is provided with external threads, and the handle 4 is in threaded connection with the sleeve 1. In this embodiment, the handle 4 and the cannula 1 are connected by a screw thread to perform the function of sealing and storing, and at the same time, the needle tube 2 and the cannula 1 can perform a centrifugal motion together.

In addition, a cavity structure is also arranged on the needle head and communicated with the open slot 5. In this embodiment, the tissue cut by the cutting blade 9 falls through the slot 5 into the cavity structure, so that the cut tissue is prevented from sliding out of the slot 5 when the needle cannula 2 is pulled out.

Wherein, the cutting blade 9 is positioned on the side edge of the open slot 5 parallel to the axis of the needle tube 2. In this embodiment, cutting blade 9 has the radian, and cutting blade 9 and the smooth transitional coupling of needle tubing 2 can conveniently cut the animal tissue that is located open slot 5 like this the utility model provides a cutting blade 9 welds in open slot 5 on the side edge parallel with the axis of needle tubing 2.

In addition, the needle tube 2 is a capillary tube, and the cavity structure is communicated with the capillary tube. In the present embodiment, the principle of capillary phenomenon is utilized to enable the needle tube 2 to collect some tissue fluid while collecting tissue of the animal, so that the time for storing the tissue later can be increased.

Wherein, one end of the needle tube 2 close to the handle 4 is provided with an air outlet 6. In this embodiment, the air outlet 6 is provided to facilitate the suction of tissue fluid into the needle cannula 2.

In addition, the outer surface of the needle tube 2 is provided with scale marks 7. In this embodiment, this allows the depth of the needle cannula 2 into the animal to be accurately controlled, increasing the probability of removing the desired tissue.

Wherein the cross-sectional area of the handle 4 is larger than that of the needle tube 2. In this embodiment, this facilitates rotation of the syringe 2 by the sampling person.

In addition, the handle 4 is provided with an anti-slip structure 8. In this embodiment, this facilitates rotation and withdrawal of the needle cannula 2.

The working principle is as follows:

the utility model discloses in, before the sample, handle 4 is connected with sleeve pipe 1, and the syringe needle is located sleeve pipe 1, can prevent like this that the syringe needle from being contaminated, during the sample, the sampling personnel utilize toper syringe needle 3 to take open slot 5 of needle tubing 2 to the tissue department of animal, and the collection personnel passes through handle 4 rotatory needle tubing 2, cuts required tissue to open slot 5 in through cutting piece 9, and the needle tubing 2 that will hold the tissue is put to sleeve pipe 1 after that, accomplishes the collection to required tissue. This embodiment simple structure, sleeve pipe 1 can protect the sample front and back syringe needle to avoid receiving the pollution, and sleeve pipe 1 can also make things convenient for the centrifugal treatment in later stage simultaneously, has avoided the extravagant problem of material.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A tissue sampling device, characterized by: the needle tube type syringe comprises a sleeve (1) with one end open and the other end closed and a needle tube (2) arranged in the sleeve (1), wherein a conical needle head (3) is arranged at one end of the needle tube (2), a handle (4) is arranged at the other end of the needle tube, and the handle (4) is detachably connected with the sleeve (1); the conical needle head (3) and the needle tube (2) are in smooth transition, an open slot (5) is formed in one end, close to the conical needle head (3), of the needle tube (2), and a cutting blade (9) used for cutting tissues is arranged on the open slot (5).

2. The tissue sampling device of claim 1, wherein: the handle (4) is sleeved on the peripheral surface of the sleeve (1).

3. The tissue sampling device of claim 1, wherein: the handle (4) is provided with an internal thread, the sleeve (1) is provided with an external thread, and the handle (4) is in threaded connection with the sleeve (1).

4. The tissue sampling device of any one of claims 1 to 3, wherein: the needle head is also provided with a cavity structure, and the cavity structure is communicated with the open slot (5).

5. The tissue sampling device of claim 1, wherein: the cutting blade (9) is positioned on the lateral edge of the open slot (5) parallel to the axis of the needle tube (2).

6. The tissue sampling device of claim 4, wherein: the needle tube (2) is a capillary tube, and the cavity structure is communicated with the capillary tube.

7. The tissue sampling device of claim 6, wherein: and an air outlet (6) is formed in one end, close to the handle (4), of the needle tube (2).

8. The tissue sampling device of claim 1, wherein: the outer surface of the needle tube (2) is provided with scale marks (7).

9. The tissue sampling device of claim 1, wherein: the cross-sectional area of the handle (4) is larger than that of the needle tube (2).

10. The tissue sampling device of claim 1, wherein: and an anti-skid structure (8) is arranged on the handle (4).

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