CN214511218U - Disposable biopsy spoon - Google Patents

Abstract

The utility model relates to a disposable biopsy spoon, which comprises a spoon head positioned at the head part and used for cutting tumor tissues, a pipe body positioned at the middle part and communicated with the spoon head, and an operating part positioned at the tail end and capable of pushing and pulling the spoon head to move forward and backward, wherein the pipe body is provided with an air extraction joint used for being connected with an air extraction mechanism to suck the tumor tissues cut by the spoon head, a cavity capable of containing the cut tissues is arranged inside the spoon head, the outer side of the cavity is provided with an opening, the peripheral edge of the front end of the cavity is provided with a cutter, and the cutter (6) faces the operating part; or the edge all around of cavity rear end is equipped with a cutter, and the cutter is towards biopsy spoon front end, the utility model discloses simple structure can be fast accurate take out corresponding tissue.

Description

Disposable biopsy spoon

Technical Field

The invention relates to the technical field of biopsy sampling, in particular to a disposable biopsy spoon.

Background

Endoscopy is currently widely used in the clinic as an auxiliary diagnostic method. The sampling forceps enter the body of a patient through the endoscopic forceps channel to clamp the tissues of the lesion part, and then the clamped tissues are subjected to pathological analysis to confirm the disease. Endoscopic biopsy sampling has become a routine endoscopic examination procedure because of its low trauma and ease of examination. The problems existing in the prior art are as follows: the sampling technology of the existing sampling forceps is mature, but for biopsy of a focus in a bronchus, particularly biopsy sampling of a tubular tumor, because the tumor is located at the position of an adherent wall, a forceps head of the biopsy forceps is difficult to grab, the required sampling amount is difficult to obtain, the amount of biting and cutting tissues of the method for sampling by the biopsy forceps is small, because the operation space is small, the biting and cutting angle is difficult to control, the tissues biting and cutting the lesion have blind zones, the tissues of the lesion are easy to remain, the small lesion is difficult to grab, surrounding tissues are easy to damage, the operation time is prolonged, and the pain of a patient is increased.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides the disposable biopsy spoon which is simple in structure and can quickly and accurately take out corresponding tissues.

In order to achieve the purpose, the invention adopts the following technical scheme:

the disposable biopsy spoon comprises a spoon head positioned at the head part and used for cutting tumor tissues, a tube body positioned in the middle part and communicated with the spoon head, and an operating part positioned at the tail end and capable of pushing and pulling the spoon head to move forward and backward, wherein an air suction connector is arranged on the tube body and used for being connected with an air suction mechanism to suck the tumor tissues cut by the spoon head.

Preferably, a cavity capable of containing cut tissues is arranged in the spoon head, an opening is formed in the outer side of the cavity, a cutter is arranged on the peripheral edge of the front end of the cavity, and the cutter faces the operating part; or the peripheral edge of the rear end of the cavity is provided with a cutter, and the cutter faces the front end of the biopsy spoon.

Preferably, the outer pipe is arranged outside the pipe body in a sliding connection mode, the operating part is connected with the pipe body, and the operating part pushes and pulls the pipe body to move forwards and backwards so as to drive the spoon head to extend out of and retract into the outer pipe.

Preferably, the rear part of the outer tube is provided with a guide groove, the rear end of the tube body is fixedly connected with a guide piece, and the guide piece and the guide groove are matched with each other to push and pull the tube body to move forwards and backwards.

Preferably, the guide member includes a ring portion sleeved outside the guide groove and a connecting portion embedded inside the guide groove, and the connecting portion is connected to the pipe body.

Preferably, the front end face of the spoon head is provided with a pointed head.

Preferably, the chamber diameter is smaller than the outer tube diameter.

The cutter is arc-shaped and has a tip.

The utility model can cut tissue by simply pushing and pulling the operating part at the tail part to drive the spoon head at the head part to move forward and backward, cut the tissue accurately and quickly, and simultaneously, can suck needed tissue quickly by continuously sucking air through the air suction mechanism, can directly obtain the needed tissue through the air suction component without completely sucking out the biopsy spoon, is quicker and is not easy to drop; this biopsy spoon adopts the mode of push-and-pull, drives the spoon head and cuts the tissue, and it is more convenient to operate, has saved operating time, and the uncomfortable that has reduced the disease takes a sample simultaneously more accurately.

Drawings

Fig. 1 is a schematic view 1 of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention 2;

fig. 3 is a schematic view of the overall structure of the present invention 3;

FIG. 4 is a partially enlarged schematic view of the connection between the spoon head and the tube body of the present invention shown in FIG. 1;

FIG. 5 is a partially enlarged schematic view of the connection between the spoon head and the tube body of the present invention, FIG. 2;

FIG. 6 is a partially enlarged schematic view of the connection between the spoon head and the tube body of the present invention, FIG. 3;

fig. 7 is a schematic cutting (extending) view 1 of the present invention;

fig. 8 is a schematic diagram of the cutting (recovery) of the present invention 2.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the methods or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," "retained," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other at the inner sections. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 8, the disposable biopsy spoon comprises a spoon head 1 located at the head for cutting tumor tissue 10, a tube located at the middle and communicated with the spoon head 1, and an operating part 4 located at the tail end and capable of pushing and pulling the spoon head 1 forward and backward, wherein a suction connector (not shown in the figure) is arranged on the tube and used for connecting a suction mechanism (not shown in the figure) to suck the tumor tissue 10 cut by the spoon head 1, the operating part 4 at the tail end simply pushes and pulls the spoon head 1 at the head forward and backward to cut the tissue 10, the tissue 10 is accurately and rapidly cut, meanwhile, the required tissue 10 is continuously and rapidly sucked by the suction mechanism, and the required tissue 10 can be directly obtained by a suction component without completely drawing out the biopsy spoon, so that the biopsy spoon is quicker and is not easy to drop; this biopsy spoon adopts the mode of push-and-pull, drives spoon head 1 and cuts tissue 10, and it is more convenient to operate, has saved operating time, and it is more accurate to have reduced the uncomfortable sense of disease and take a sample simultaneously.

Furthermore, as shown in fig. 4 to 8, a cavity 5 capable of accommodating cut tissue 10 is arranged inside the spoon head 1, an opening is arranged outside the cavity 5, a cutting knife 6 is arranged at the peripheral edge of the front end of the cavity 5, the cutting knife 6 faces to the operating part 4, when the biopsy spoon is used, the operating part 4 is controlled to move forward to drive the biopsy spoon head 1 to push forward, when the spoon head 1 exceeds a tumor position needing sampling, namely the operating part 4 is controlled to move backward to pull back the biopsy spoon cutting knife 6 against the tumor, the cut tissue 10 is accurately and quickly cut through simple push-pull action, the cut tissue 10 enters into the cavity 5 of the biopsy spoon head 1, compared with the existing mode of taking the tissue 10 by multiple times and having an unsatisfactory sampling effect, sampling is mainly performed through the mode of pushing and pulling the biopsy spoon, so that the operation is more convenient, the operation time is reduced, and the discomfort of a patient is relieved, the sampling is more accurate and meets the requirement of the sampling amount, then the required tissue 10 is quickly sucked from the cavity 5 of the biopsy spoon through the continuous action of the air suction mechanism, the tissue is prevented from falling off, and the required tissue 10 can be directly obtained through the air suction mechanism without completely drawing out the biopsy spoon, so that the sampling is quicker; or, the peripheral edge of the rear end of the cavity 5 is provided with a cutting knife 6, the cutting knife 6 faces the front end of the biopsy spoon, when the tissue 10 to be cut is reached, the operating part 4 pushes the tube body 2 forwards, the tissue 10 is cut, and meanwhile, the air suction mechanism continuously acts to quickly suck the needed tissue.

Further, as shown in fig. 4 to 8, the outer tube 3 is slidably connected to the outside of the tube body 2, the operation member 4 is connected to the tube body 2, the operation member 4 is pushed and pulled to drive the tube body 2 to move forward and backward so as to drive the spoon head to extend and retract into the outer tube 3, and one end opening of the tube body 2 is communicated with the cavity 5, and the other end opening is not connected to the operation member 4, so as to avoid affecting the suction effect of the pumping mechanism, the diameter of the cavity 5 is smaller than that of the outer tube 3, the operation member 4 is pushed and pulled to drive the tube body 2 to move forward and backward so as to drive the spoon head 1 to extend and retract into the outer tube 3, in the utility model, the tumor tissue 10 to be sampled is not reached, the operation member 4 is pulled backward to drive the tube body 2 and the spoon head 1 to retract into the outer tube 3, thereby avoiding scratching other tissues 10 without pathological changes and causing injury to patients, the cutter 6 is arranged at the peripheral edge of the front end of the spoon head 1, and when the cutter 6 is arranged towards the operation member 4, when the cutting knife is used, the tube body 2 is pushed to move forwards, the spoon head 1 is driven to extend out until the position where a sample needs to be taken is exceeded, when the cutting knife needs to be cut, the operating part 4 is pulled back, so that the cutting knife 6 cuts the tissue 10, and the purpose of quickly cutting the needed tissue 10 can be achieved through simple push-pull action.

Further, as shown in fig. 1 and 3, a guide groove 8 is formed in the rear portion of the outer tube 3, the guide groove 8 is arranged along the extending direction of the outer tube 2, a guide part 9 is fixedly connected to the rear end of the tube body 2, the guide part 9 and the guide groove 8 are matched with each other to push and pull the tube body 2 forward and backward, so as to drive the tube body 2 and the spoon head 1 to move forward and backward, further, the guide part 9 comprises a ring part 91 sleeved outside the outer tube 3 and a connecting part 92 embedded inside the guide groove 8, the connecting part 92 is connected with the tube body 2, the guide groove 8 and the guide part 9 are matched with each other to push and pull, the ring part 91 is arranged to facilitate the operation of a doctor, the rear end of the guide groove 8 is connected with an operating handle, so that the operation of the doctor is facilitated, and labor is saved

Further, as shown in fig. 4 to 8, a pointed end 7 is arranged on the front end face of the spoon head 1, so that the functions of puncturing and cutting are integrated, and the practicability is improved.

Further, as shown in fig. 5, the cutting blade 6 has an arc shape and a tip, and when cutting the tissue 10, the tip contacts the tissue 10 first, so that the cutting is more convenient and the purpose of rapid cutting is achieved.

It should be noted that the above embodiments are merely representative examples of the present invention. Many variations of the invention are possible. Any simple modification, equivalent change and modification of the above embodiments according to the spirit of the present invention should be considered to be within the protection scope of the present invention.

Claims (7)

1. Disposable biopsy spoon, its characterized in that: the tumor tissue suction spoon comprises a spoon head (1) positioned at the head and used for cutting tumor tissue, a pipe body (2) positioned at the middle part and communicated with the spoon head (1), and an operating part (4) positioned at the tail end and capable of pushing and pulling the spoon head (1) to move forward and backward, wherein a suction joint is arranged on the pipe body (2) and used for being connected with a suction mechanism to suck the tumor tissue cut by the spoon head, a cavity (5) capable of containing the cut tissue is arranged inside the spoon head (1), an opening is arranged on the outer side of the cavity (5), a cutter (6) is arranged on the peripheral edge of the front end of the cavity (5), and the cutter (6) faces the operating part (4); or the peripheral edge of the rear end of the cavity is provided with a cutter (6), and the cutter (6) faces the front end of the biopsy spoon.

2. The disposable biopsy spoon according to claim 1, characterized in that an outer tube (3) is slidably connected to the outside of the tube body (2), the operating member (4) is connected to the tube body (2), and the operating member (4) pushes and pulls the tube body (2) to move forward and backward so as to extend and retract the spoon head into the outer tube (3).

3. The disposable biopsy spoon according to claim 2, characterized in that a guide groove (8) is formed at the rear part of the outer tube (3), a guide member (9) is fixedly connected to the rear end of the tube body (2), and the guide member (9) and the guide groove (8) are matched with each other to push and pull the tube body (2) forward and backward.

4. The spoon as claimed in claim 3, characterised in that the guide element (9) comprises a ring (91) which is fitted around the outer tube (3) and a connecting portion (92) which is fitted inside the guide groove (8), the connecting portion (92) being connected to the tubular body (2).

5. The disposable biopsy spoon according to claim 1, characterized in that the front end face of the spoon head (1) is provided with a pointed end (7).

6. The disposable biopsy scoop according to claim 2, wherein the diameter of the cavity (5) is smaller than the diameter of the outer tube (3).

7. The disposable biopsy scoop according to claim 1, wherein the cutting knife (6) is arc-shaped and has a tip.

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