Biopsy forceps

The biopsy forceps with an absorbent cup and negative pressure mechanism address the issue of sample slippage by securely fixing the tissue, improving the sampling process.

CN223095565UActive Publication Date: 2025-07-15JIANGSU CANCER HOSPITAL
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Patent Information

Application Number
CN202422097269.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-07-15
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

During the sampling process of existing biopsy forceps, the tissue is easily slipped out or extruded, affecting the simplicity of sampling.

Method used

A biopsy forceps are designed, including an adsorption mechanism, which generates negative pressure attraction after contacting the place to be sampled through an adsorption cup to fix the tissue to be sampled.

Benefits of technology

The stable fixation of the tissue during the sampling process is achieved, and the sampling simplicity and success rate are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses biopsy forceps, and relates to the technical field of biopsy forceps. The biopsy forceps comprise a biopsy forceps body, a connecting pipe is arranged on one side of the biopsy forceps body, a sampling mechanism is arranged on one side of the biopsy forceps body, and an adsorption mechanism is arranged in the connecting pipe. According to the biopsy forceps, by arranging the adsorption cup, when a to-be-sampled position needs to be adsorbed and fixed, the first forceps cup and the second forceps cup make contact with the to-be-sampled position, then the second forceps cup is opened through the adjusting handle, the adsorption cup makes contact with the to-be-sampled position, at the moment, a pull ring is pulled, and a pull rod drives a piston to slide in an air hole; at the moment, negative pressure suction is generated between the adsorption cup and the to-be-sampled part, so that the to-be-sampled part is fixed between the first forceps cup and the second forceps cup, sampling is facilitated, and the device is convenient for adsorbing and fixing the to-be-sampled part.
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Description

Technical Field

[0001] The utility model belongs to the technical field of biopsy forceps, and particularly relates to a biopsy forceps. Background Art

[0002] A biopsy forceps is a medical device, which usually consists of a forceps head, a forceps rod and a handle. It is mainly used to clamp a small amount of living tissue samples from tissues or organs inside the human body during medical examinations and treatments.

[0003] The above device does not have a pre-fixed structure at the front end of the biopsy forceps when in use, so that when the existing biopsy forceps are in use, the forceps mouth needs to be buried in the sampling tissue and the tissue needs to be clamped to complete the sampling. However, during the clamping and sampling process of the biopsy forceps, the tissue is likely to slip out or be squeezed out from the forceps mouth, which affects the simplicity of the biopsy. Based on the existing technical deficiencies, the utility model designs a biopsy forceps. Summary of the Utility Model

[0004] To solve the above problems existing in the prior art, the utility model provides a biopsy forceps, which has the characteristic of pre-fixing the front end of the biopsy forceps.

[0005] To achieve the above object, the utility model provides the following technical solution: A biopsy forceps includes a biopsy forceps main body, a connecting tube is arranged on one side of the biopsy forceps main body, a sampling mechanism is arranged on one side of the biopsy forceps main body, and an adsorption mechanism is arranged inside the connecting tube;

[0006] Adsorption mechanism, the adsorption mechanism includes an adsorption cup, a connecting cylinder, air holes, a positioning disk, a sliding hole, a piston, a pull rod and a pull ring. The adsorption cup is arranged inside the connecting tube, a connecting cylinder is fixedly connected to one side of the adsorption cup, air holes are opened on one side of the adsorption cup, a positioning disk is fixedly connected to one side of the connecting cylinder, a sliding hole is opened on one side of the positioning disk, a piston is slidably connected inside the connecting cylinder, a pull rod is fixedly connected to one side of the piston, and a pull ring is fixedly connected to one side of the pull rod.

[0007] As a preferred technical solution of the biopsy forceps of the utility model, a fixed handle is fixedly connected to one side of the biopsy forceps main body, a convex block is fixedly connected to one side of the fixed handle, a connecting rod one is fixedly connected to one side of the biopsy forceps main body, and an elastic sheet is arranged on one side of the fixed handle.

[0008] As a preferred technical solution of the biopsy forceps of the utility model, a first forceps cup is fixedly connected to one side of the connecting tube, a connecting head is fixedly connected to one side of the connecting tube, a tube groove is opened inside the connecting tube, and a connecting groove is opened on one side of the tube groove.

[0009] As a preferred technical solution of the biopsy forceps of the present utility model, the sampling mechanism includes an adjusting handle, an anti-slip block, an arc block, a second connecting rod, a second forceps cup and a connecting plate. The adjusting handle is arranged at the bottom of the biopsy forceps main body. An anti-slip block is fixedly connected to one side of the adjusting handle. An arc block is fixedly connected to one side of the adjusting handle. A second connecting rod is arranged on one side of the adjusting handle. A connecting plate is arranged on one side of the second connecting rod. A second forceps cup is fixedly connected to one side of the connecting plate.

[0010] As a preferred technical solution of the biopsy forceps of the present utility model, the adsorption cup is arranged inside the first forceps cup and on one side of the second forceps cup.

[0011] As a preferred technical solution of the biopsy forceps of the present utility model, the positioning disc is fixedly connected inside the tube slot, and the piston is slidably connected inside the air hole.

[0012] As a preferred technical solution of the biopsy forceps of the present utility model, the pull rod is slidably connected inside the tube slot and inside the first connecting rod, and a pull ring is arranged on one side of the first connecting rod.

[0013] As a preferred technical solution of the biopsy forceps of the present utility model, the second forceps cup is rotatably connected to the outer surface of the connecting head, and the second connecting rod is movably connected inside the sliding hole.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] 1. When the present utility model is in use, by setting the adsorption cup, when it is necessary to adsorb and fix the sampling area, first the first forceps cup and the second forceps cup contact the sampling area, and then the second forceps cup is opened through the adjusting handle so that the adsorption cup contacts the sampling area. At this time, the pull ring is pulled, so that the pull rod drives the piston to slide inside the air hole. At this time, a negative pressure attraction is generated between the adsorption cup and the sampling area, so that the sampling area is fixed between the first forceps cup and the second forceps cup, which is convenient for sampling. This device is convenient for adsorbing and fixing the sampling area. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the biopsy forceps main body of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the fixed handle of the present utility model;

[0019] Figure 3Schematic diagram of the connecting pipe structure of the present utility model;

[0020] Figure 4 Schematic diagram of the sampling mechanism structure of the present utility model;

[0021] Figure 5 Schematic diagram of the adsorption mechanism structure of the present utility model;

[0022] Figure 6 Schematic diagram of the second forceps cup structure of the present utility model.

[0023] In the figure: 1. Biopsy forceps main body; 101. Fixed handle; 102. Protrusion; 103. First connecting rod; 104. Elastic sheet; 2. Connecting pipe; 201. First forceps cup; 202. Connecting head; 203. Pipe groove; 204. Connecting groove; 3. Sampling mechanism; 301. Adjusting handle; 302. Anti-slip block; 303. Arc-shaped block; 304. Second connecting rod; 305. Second forceps cup; 306. Connecting plate; 4. Adsorption mechanism; 401. Adsorption cup; 402. Connecting cylinder; 403. Air hole; 404. Positioning disk; 405. Slide hole; 406. Piston; 407. Pull rod; 408. Pull ring. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment 1

[0026] Please refer to Figures 1-6 , the present utility model provides the following technical solutions: A biopsy forceps includes a biopsy forceps main body 1, a connecting pipe 2 is arranged on one side of the biopsy forceps main body 1, a sampling mechanism 3 is arranged on one side of the biopsy forceps main body 1, and an adsorption mechanism 4 is arranged inside the connecting pipe 2;

[0027] A fixed handle 101 is fixedly connected to one side of the biopsy forceps main body 1, a protrusion 102 is fixedly connected to one side of the fixed handle 101, a first connecting rod 103 is fixedly connected to one side of the biopsy forceps main body 1, and an elastic sheet 104 is arranged on one side of the fixed handle 101.

[0028] A first forceps cup 201 is fixedly connected to one side of the connecting pipe 2, a connecting head 202 is fixedly connected to one side of the connecting pipe 2, a pipe groove 203 is opened inside the connecting pipe 2, and a connecting groove 204 is opened on one side of the pipe groove 203.

[0029] It should be further explained that: a fixed handle 101 is provided on one side of the biopsy forceps main body 1. An adjusting handle 301 is hinged to the fixed handle 101 through an arc-shaped block 303. A convex block 102 and an anti-slip block 302 are provided on one side of the fixed handle 101 and the adjusting handle 301, which is convenient for the user to grip. A connecting tube 2 is provided on one side of the biopsy forceps main body 1. A second forceps cup 305 is provided at one end of the connecting tube 2. The second forceps cup 305 is connected to the adjusting handle 301 through a connecting plate 306 and a second connecting rod 304. Sampling is facilitated by the cooperation of the second forceps cup 305 and the first forceps cup 201 provided at one end of the connecting tube 2. An adsorption mechanism 4 is provided inside the connecting tube 2. By providing the adsorption mechanism 4, it is convenient to adsorb and fix the sampling area during sampling, which is convenient for sampling.

[0030] Embodiment 2

[0031] Please refer to Figures 2-6 , the present utility model provides the following technical solutions:

[0032] The adsorption mechanism 4 includes an adsorption cup 401, a connecting cylinder 402, air holes 403, a positioning disk 404, a sliding hole 405, a piston 406, a pull rod 407 and a pull ring 408. The adsorption cup 401 is arranged inside the connecting tube 2. A connecting cylinder 402 is fixedly connected to one side of the adsorption cup 401. Air holes 403 are opened on one side of the adsorption cup 401. A positioning disk 404 is fixedly connected to one side of the connecting cylinder 402. A sliding hole 405 is opened on one side of the positioning disk 404. A piston 406 is slidably connected inside the connecting cylinder 402. A pull rod 407 is fixedly connected to one side of the piston 406. A pull ring 408 is fixedly connected to one side of the pull rod 407.

[0033] The sampling mechanism 3 includes an adjusting handle 301, an anti-slip block 302, an arc-shaped block 303, a second connecting rod 304, a second forceps cup 305 and a connecting plate 306. The adjusting handle 301 is arranged at the bottom of the biopsy forceps main body 1. An anti-slip block 302 is fixedly connected to one side of the adjusting handle 301. An arc-shaped block 303 is fixedly connected to one side of the adjusting handle 301. A second connecting rod 304 is arranged on one side of the adjusting handle 301. A connecting plate 306 is arranged on one side of the second connecting rod 304. A second forceps cup 305 is fixedly connected to one side of the connecting plate 306.

[0034] The adsorption cup 401 is arranged inside the first forceps cup 201. The adsorption cup 401 is arranged on one side of the second forceps cup 305.

[0035] The positioning disk 404 is fixedly connected inside the tube groove 203. The piston 406 is slidably connected inside the air holes 403.

[0036] The pull rod 407 is slidably connected inside the pipe groove 203, the pull rod 407 is slidably connected inside the first connecting rod 103, and the pull ring 408 is arranged on one side of the first connecting rod 103.

[0037] The second clamp cup 305 is rotatably connected to the outer surface of the connector 202, and the second connecting rod 304 is movably connected inside the sliding hole 405.

[0038] It should be further explained that: the first clamp cup 201 and the second clamp cup 305 are in contact with the sampling area to be sampled. Then, the second clamp cup 305 is opened by the adjusting handle 301, so that the adsorption cup 401 is in contact with the sampling area to be sampled. At this time, the pull ring 408 is pulled, so that the pull rod 407 drives the piston 406 to slide inside the air hole 403. At this time, a negative pressure is generated between the adsorption cup 401 and the sampling area to be sampled, so that the sampling area to be sampled is fixed between the first clamp cup 201 and the second clamp cup 305, which is convenient for sampling.

[0039] Working principle: When a biopsy forceps is in use, first, a fixed handle 101 is arranged on one side of the biopsy forceps main body 1. On one side of the fixed handle 101, an adjusting handle 301 is hinged through an arc-shaped block 303. On one side of the fixed handle 101 and the adjusting handle 301, a convex block 102 and an anti-slip block 302 are arranged, which is convenient for the user to grip. On one side of the biopsy forceps main body 1, a connecting pipe 2 is arranged. At one end of the connecting pipe 2, a second clamp cup 305 is arranged. On one side of the second clamp cup 305, it is connected to the adjusting handle 301 through a connecting plate 306 and a second connecting rod 304. The cooperation between the second clamp cup 305 and the first clamp cup 201 arranged at one end of the connecting pipe 2 is convenient for sampling. An adsorption mechanism 4 is arranged inside the connecting pipe 2. By arranging the adsorption mechanism 4, it is convenient to adsorb and fix the sampling area to be sampled during sampling, which is convenient for sampling.

[0040] When it is necessary to adsorb and fix the sampling area to be sampled, first, the first clamp cup 201 and the second clamp cup 305 are in contact with the sampling area to be sampled. Then, the second clamp cup 305 is opened by the adjusting handle 301, so that the adsorption cup 401 is in contact with the sampling area to be sampled. At this time, the pull ring 408 is pulled, so that the pull rod 407 drives the piston 406 to slide inside the air hole 403. At this time, a negative pressure is generated between the adsorption cup 401 and the sampling area to be sampled, so that the sampling area to be sampled is fixed between the first clamp cup 201 and the second clamp cup 305, which is convenient for sampling. This device is convenient for adsorbing and fixing the sampling area to be sampled.

[0041] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A biopsy forceps, comprising a biopsy forceps main body (1), characterized in that: On one side of the biopsy forceps body (1), a connecting tube (2) is provided. On one side of the biopsy forceps body (1), a sampling mechanism (3) is provided. Inside the connecting tube (2), an adsorption mechanism (4) is provided. Adsorption mechanism (4), the adsorption mechanism (4) includes an adsorption cup (401), a connecting cylinder (402), air holes (403), a positioning disc (404), sliding holes (405), a piston (406), a pull rod (407) and a pull ring (408). The adsorption cup (401) is arranged inside the connecting tube (2). One side of the adsorption cup (401) is fixedly connected with a connecting cylinder (402). One side of the adsorption cup (401) is provided with air holes (403). One side of the connecting cylinder (402) is fixedly connected with a positioning disc (404). One side of the positioning disc (404) is provided with sliding holes (405). Inside the connecting cylinder (402), a piston (406) is slidably connected. One side of the piston (406) is fixedly connected with a pull rod (407). One side of the pull rod (407) is fixedly connected with a pull ring (408).

2. The biopsy forceps according to claim 1, wherein: On one side of the biopsy forceps body (1), a fixed handle (101) is fixedly connected. On one side of the fixed handle (101), a convex block (102) is fixedly connected. On one side of the biopsy forceps body (1), a first connecting rod (103) is fixedly connected. On one side of the fixed handle (101), an elastic piece (104) is provided.

3. A biopsy forceps according to claim 1, characterized in that: On one side of the connecting tube (2), a first forceps cup (201) is fixedly connected. On one side of the connecting tube (2), a connecting head (202) is fixedly connected. Inside the connecting tube (2), a tube groove (203) is provided. On one side of the tube groove (203), a connecting groove (204) is provided.

4. A biopsy forceps according to claim 1, characterized in that: The sampling mechanism (3) includes an adjusting handle (301), an anti-slip block (302), an arc-shaped block (303), a second connecting rod (304), a second forceps cup (305) and a connecting plate (306). The adjusting handle (301) is arranged at the bottom of the biopsy forceps body (1). On one side of the adjusting handle (301), an anti-slip block (302) is fixedly connected. On one side of the adjusting handle (301), an arc-shaped block (303) is fixedly connected. On one side of the adjusting handle (301), a second connecting rod (304) is provided. On one side of the second connecting rod (304), a connecting plate (306) is provided. On one side of the connecting plate (306), a second forceps cup (305) is fixedly connected.

5. A biopsy forceps according to claim 1, wherein: The adsorption cup (401) is arranged inside the first forceps cup (201). The adsorption cup (401) is arranged on one side of the second forceps cup (305).

6. A biopsy forceps according to claim 1, characterized in that: The positioning disc (404) is fixedly connected inside the tube groove (203). The piston (406) is slidably connected inside the air holes (403).

7. A biopsy forceps according to claim 1, characterized in that: The pull rod (407) is slidably connected inside the tube groove (203). The pull rod (407) is slidably connected inside the first connecting rod (103). The pull ring (408) is arranged on one side of the first connecting rod (103).

8. A biopsy forceps according to claim 4, wherein: The second clamping cup (305) is rotatably connected to the outer surface of the connecting head (202), and the second connecting rod (304) is movably connected to the inside of the sliding hole (405).