CN211674355U

CN211674355U - Medical science is clinical with tumour biopsy sampling device

Info

Publication number: CN211674355U
Application number: CN201922368428.2U
Authority: CN
Inventors: 胡敏; 李丽
Original assignee: Hubei College of Chinese Medicine
Current assignee: Hubei College of Chinese Medicine
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-16
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to the technical field of medical instruments and discloses a tumor biopsy sampling device for medical clinic, which comprises a puncture cylinder and a sampling cylinder, wherein the puncture cylinder is provided with a puncture needle and an annular clamping bulge; the sampling tube is provided with a sampling tube, a baffle, a sample suction port, a piston, a moving rod, a handle, a first annular plate, a second annular plate, an annular clamping groove, a first sliding block, a first connecting ring, a first contraction rod, a second contraction rod, a third contraction rod, a fixed rod, a second sliding groove, a second sliding block, a second connecting ring, a strip-shaped hole, a clamping rod, a first blade, a second blade, a third sliding groove and a third sliding block. The utility model is convenient and simple in operation, easily puncture, the sample is efficient, and the sample is abundant, can prevent to take out in-process tumour tissue landing.

Description

Medical science is clinical with tumour biopsy sampling device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to clinical tumor biopsy sampling device that uses of medical science.

Background

In the course of oncology, it is necessary to remove diseased tissue from a patient by cutting, clamping, or puncturing, etc., to perform a pathological examination, which is referred to as biopsy. It is the most important part of the diagnosis pathology, and it can make clear histopathological diagnosis for most of the examined cases, and it is used as the final diagnosis in clinic. And needle biopsy with a sampling tube is the most common technique. When the existing puncture needle is used for sampling, the sampling is insufficient, and the sample is easy to slide off in the taking-out process, so that the sampling failure is caused, and the working difficulty of medical staff is increased.

SUMMERY OF THE UTILITY MODEL

Based on the above problem, the utility model provides a clinical tumour biopsy sampling device of using of medical science, this device facilitates the use, easily punctures, and the sample is abundant, and the sample is efficient, can prevent to take out in-process tumour tissue landing.

For solving the technical problem, the utility model provides a following technical scheme:

a tumor biopsy sampling device for medical clinic comprises a puncture cylinder and a sampling cylinder inserted into the puncture cylinder, wherein a puncture needle communicated with the puncture cylinder is arranged at one end of the puncture cylinder, which is far away from the sampling cylinder, and annular clamping protrusions arranged around the circumferential direction of the puncture cylinder are arranged on the inner wall and the outer wall of the end part of the puncture cylinder, which is far away from the puncture needle; the end part of the sampling tube facing the puncture needle is provided with a sampling tube which is communicated with the sampling tube and extends into the puncture needle, the sampling end of the sampling tube is provided with a baffle plate, and the center of the baffle plate is provided with a sample suction port; a piston is arranged in the sampling tube, a moving rod is arranged at the end part of the piston, which is far away from the sampling tube, a handle is arranged at the end part of the moving rod, which extends out of the sampling tube, an annular plate I is arranged on the side wall of the sampling tube, which extends out of the puncture tube, an annular plate II is arranged on the side wall of the sampling tube, which is positioned in the puncture tube, and annular clamping grooves clamped with the annular clamping protrusions are formed in the surfaces, facing each other, of the annular plate I and the annular plate;

one side, facing the sampling tube, of the piston is provided with a first sliding groove, two ends of the first sliding groove are provided with first sliding blocks, one side, facing the sampling tube, of each sliding block is provided with a first connecting ring penetrating through the first sliding block, one side, away from the piston, of the first connecting ring is provided with a first contraction rod, the first connecting ring penetrates through the first contraction rod, and the two first contraction rods are arranged in a crossed mode and hinged through pins; a second contraction rod hinged with the first contraction rod through a pin is arranged at the end part of the first contraction rod, which is far away from the first sliding groove, and the two second contraction rods are arranged in a crossed mode and hinged through pins; the end part of the second contraction rod, which is far away from the first sliding groove, is provided with a third contraction rod hinged with the second contraction rod through a pin, and the two third contraction rods are arranged in a crossed manner and hinged through pins; a fixed rod erected in the sampling tube is arranged on one side, away from the first sliding groove, of the third contraction rod, a second sliding groove is formed in one side, facing the piston, of the fixed rod, two sliding blocks are arranged at two ends of the second sliding groove, a second connecting ring which penetrates through the second sliding block and the third contraction rod is arranged between the second sliding block and the third contraction rod, a strip-shaped hole which is communicated with the second sliding groove and is smaller than the second sliding groove in width is formed in one side, away from the second sliding groove, of the fixed rod, clamping rods which penetrate through the strip-shaped hole and are in contact with the baffle are arranged on one side, facing the baffle, of the second sliding block, clamping rods which penetrate through the strip-shaped hole and are in contact with the baffle are arranged on one side, facing the baffle, of the; one side of the baffle facing the strip-shaped hole is provided with a third sliding groove, and the end part of the clamping rod facing the third sliding groove is provided with a third sliding block capable of sliding in the third sliding groove.

Furthermore, the outer side wall of the puncture cylinder is provided with a third annular plate.

Furthermore, an annular cylinder sleeved outside the puncture cylinder is arranged at the end part of the annular plate, which is far away from the sampling cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is convenient and simple in operation, easily puncture, the sample is efficient, and the sample is abundant, can prevent to take out in-process tumour tissue landing.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the sampling tube of the present invention;

FIG. 4 is a diagram illustrating the positioning of the fixing rod in the sampling tube according to the present invention;

wherein: 1. a puncture cylinder; 2. a sampling tube; 3. puncturing needle; 4. the annular clamping bulge; 5. a sampling tube; 6. a baffle plate; 7. a sample sucking port; 8. a piston; 9. a travel bar; 10. a first annular plate; 11. a second annular plate; 12. an annular neck; 13. a first sliding block; 14. a first contraction rod; 15. a second telescopic rod; 16. a third telescopic rod; 17. fixing the rod; 18. a second chute; 19. a second sliding block; 20. a strip-shaped hole; 21. a clamping rod; 22. a first blade; 23. a second blade; 24. a third sliding block; 25. a third annular plate; 26. and (4) a ring cylinder.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example (b):

referring to fig. 1, 2, 3 and 4, a tumor biopsy sampling device for medical clinical use comprises a puncture cylinder 1 and a sampling cylinder 2 inserted into the puncture cylinder 1, wherein a puncture needle 3 communicated with the puncture cylinder 1 is arranged at one end of the puncture cylinder 1, which is far away from the sampling cylinder 2, the puncture needle 3 is fixedly connected with the puncture cylinder 1, and annular clamping protrusions 4 arranged around the circumferential direction of the puncture cylinder 1 are arranged on the inner wall and the outer wall of the end of the puncture cylinder 1, which is far away from the puncture needle 3; the end part of the sampling tube 2 facing the puncture needle 3 is provided with a sampling tube 5 which is communicated with the sampling tube 2 and extends into the puncture needle 3, and when the device is not used, the sampling tube 5 does not penetrate through the puncture end of the puncture needle 3; a baffle 6 is arranged at the sampling end of the sampling tube 5, a sample sucking port 7 is arranged at the center of the baffle 6, and tumor tissues can be sucked into the sampling tube 5 through the sample sucking port 7; a piston 8 is arranged at the bottom end in the sampling tube 2, a moving rod 9 is arranged at the end part of the piston 8, which is far away from the sampling tube 5, a handle is arranged at the end part of the moving rod 9, which extends out of the sampling tube 2, and the piston 8 can be pulled by the handle to suck tumor tissues into the sampling tube 5; the side wall of the sampling tube 2 extending out of the puncture tube 1 is provided with a first annular plate 10, the end part of the first annular plate 10 departing from the sampling tube 2 is provided with a ring tube 26 sleeved outside the puncture tube 1, and the ring tube 26 is convenient for a doctor to fix the sampling tube 2 for sampling during suction sampling; the lateral wall that the sampling tube 2 is located puncture section of thick bamboo 1 is equipped with annular plate two 11, and annular plate one 10 and the second 11 one sides that face each other all are equipped with the ring groove 12 with the protruding 4 block of annular card, and annular card is protruding 4 and ring groove 12 can prevent sampling tube 2 and puncture section of thick bamboo 1 relative movement when puncture and sample.

One side of the piston 8 facing the sampling tube 5 is provided with a first sliding groove, two ends of the first sliding groove are respectively provided with a first sliding block 13 capable of sliding in the first sliding groove, one side of the first sliding block 13 facing the sampling tube 5 is provided with a first connecting ring penetrating through the first sliding block 13, one side of the first connecting ring, which is far away from the piston 8, is provided with a first contraction rod 14, the first connecting ring penetrates through the first contraction rod 14, the first contraction rod 14 can move relative to the first connecting ring, and the two first contraction rods 14 are arranged in a crossed mode and hinged through; the end part of the first contraction rod 14, which is far away from the first sliding groove, is provided with a second contraction rod 15 which is hinged with the first contraction rod 14 through a pin, and the two second contraction rods 15 are arranged in a crossed mode and are hinged through pins; the end part of the second contraction rod 15, which is far away from the first sliding groove, is provided with a third contraction rod 16 which is hinged with the second contraction rod 15 through a pin, the two third contraction rods 16 are arranged in a crossed mode and are hinged through the pin, and when the piston 8 is moved, the first contraction rod 14, the second contraction rod 15 and the third contraction rod 16 can stretch out and draw back along the length direction of the sampling tube 5.

A fixed rod 17 erected in the sampling tube 5 is arranged on one side, away from the sliding groove I, of the third telescopic rod 16, the fixed rod 17 is parallel to the piston 8, the fixed rod 17 is arranged in the middle of the cross section of the sampling tube 5, and the sampling tube 5 is not completely blocked by the fixed rod 17; one surface of the fixed rod 17 facing the piston 8 is provided with a second sliding groove 18, two ends of the second sliding groove 18 are provided with second sliding blocks 19, a second connecting ring which penetrates through the second sliding blocks 19 and the third contraction rods 16 is arranged between the second sliding blocks 19 and the third contraction rods 16, one surface of the fixed rod 17 facing away from the second sliding groove 18 is provided with strip-shaped holes 20 which are communicated with the second sliding grooves 18 and have widths smaller than the widths of the second sliding grooves 18, one surface of the second sliding blocks 19 facing the strip-shaped holes 20 is provided with clamping rods 21 which penetrate through the strip-shaped holes 20 and are in contact with the baffle 6, the end parts of the two clamping rods 21 facing the baffle 6 are respectively provided with first blades 22 and second blades 23 which are fixedly connected with the clamping rods 21, and the end parts of the first blades 22 and the second blades 23; one surface of the baffle 6 facing the strip-shaped hole 20 is provided with a third sliding groove, and the end part of the clamping rod 21 facing the third sliding groove is provided with a third sliding block 24 capable of sliding in the third sliding groove; when the piston 8 moves, the first contraction rod 14, the second contraction rod 15 and the third contraction rod 16 are driven to stretch, and the third contraction rod 16 drives the third sliding block 24 to move towards the sample suction port 7 or move away from the sample suction port 7, so that the first blade 22 and the second blade 23 cut sucked tissues, or the sample suction port 7 is opened to enable a doctor to take out the tissues.

The outer side wall of the puncture cylinder 1 is provided with a third annular plate 25, which is convenient for medical staff to hold and operate the puncture cylinder 1.

The utility model discloses a theory of use as follows: before puncture, the piston 8 is positioned at the bottom of the sampling tube 2, so that the first blade 22 and the second blade 23 are respectively positioned at two sides of the sample sucking port 7, and the second annular plate 11 is clamped with the annular clamping protrusion 4; then the puncture cylinder 1 is held by hand, the puncture needle 3 is inserted into a sampling part of a patient, after the puncture needle 3 reaches a required sampling depth, one hand holds the puncture cylinder 1, the other hand pushes the sampling cylinder 2 towards the puncture direction until the first annular plate 10 is clamped with the annular clamping protrusion 4, at this time, the sampling end of the sampling tube 5 extends out of the puncture needle 3 and is abutted to tissue at the sampling part, then one hand holds the annular cylinder 26, the other hand slowly pulls the handle, the piston 8 moves towards the side where the handle is located, the first contraction rod 14, the second contraction rod 15 and the third contraction rod 16 move for a certain distance firstly to suck the tissue into the sampling tube 5 from the sample suction port 7, the handle is pulled continuously, the third contraction rod 16 drives the third slider 24 to move towards the sample suction port 7, so as to drive the first blade 22 and the second blade 23 to cut the sucked tissue, after the puncture needle 3 is taken out, the piston 8 is pressed downwards, the first blade 22 and the second blade, the tissue is clamped out from the sample suction port 7.

The number of the third shrink rods 16 and the lengths of the first shrink rods 14, the second shrink rods 15 and the third shrink rods 16 can be set according to actual requirements, so that the required amount of tissue can be obtained.

The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. The tumor biopsy sampling device for medical clinic is characterized by comprising a puncture cylinder (1) and a sampling cylinder (2) inserted into the puncture cylinder (1), wherein a puncture needle (3) communicated with the puncture cylinder (1) is arranged at one end of the puncture cylinder (1) departing from the sampling cylinder (2), and annular clamping protrusions (4) arranged around the circumferential direction of the puncture cylinder (1) are arranged on the inner wall and the outer wall of the end part of the puncture cylinder (1) departing from the puncture needle (3); the end part of the sampling tube (2) facing the puncture needle (3) is provided with a sampling tube (5) which is communicated with the sampling tube (2) and extends into the puncture needle (3), the sampling end of the sampling tube (5) is provided with a baffle plate (6), and the center of the baffle plate (6) is provided with a sample sucking port (7); a piston (8) is arranged in the sampling tube (2), a moving rod (9) is arranged at the end part of the piston (8) departing from the sampling tube (5), a handle is arranged at the end part of the moving rod (9) extending out of the sampling tube (2), a first annular plate (10) is arranged on the side wall of the sampling tube (2) extending out of the puncture tube (1), a second annular plate (11) is arranged on the side wall of the sampling tube (2) positioned in the puncture tube (1), and annular clamping grooves (12) clamped with the annular clamping protrusions (4) are formed in the surfaces, facing each other, of the first annular plate (10) and the second annular plate (11);

one side, facing the sampling tube (5), of the piston (8) is provided with a first sliding groove, two ends of the first sliding groove are respectively provided with a first sliding block (13), one side, facing the sampling tube (5), of the first sliding block (13) is provided with a first connecting ring penetrating through the first sliding block (13), one side, facing away from the piston (8), of the first connecting ring is provided with a first contraction rod (14), the first connecting ring penetrates through the first contraction rod (14), and the two first contraction rods (14) are arranged in a crossed mode and hinged through pins; a second contraction rod (15) hinged with the first contraction rod (14) through a pin is arranged at the end part of the first contraction rod (14) departing from the first sliding groove, and the two second contraction rods (15) are arranged in a crossed mode and hinged through pins; a third contraction rod (16) hinged with the second contraction rod (15) through a pin is arranged at the end part of the second contraction rod (15) departing from the first sliding groove, and the two third contraction rods (16) are arranged in a crossed mode and hinged through pins; a fixed rod (17) erected in the sampling tube (5) is arranged on one side of the third telescopic rod (16) departing from the first sliding groove, a second sliding groove (18) is arranged on one side of the fixed rod (17) facing the piston (8), two sliding blocks (19) are arranged at two ends of the second sliding groove (18), a connecting ring (two) penetrating through the second sliding blocks (19) and the third telescopic rod (16) is arranged between the second sliding blocks (19) and the third telescopic rod (16), a strip-shaped hole (20) communicated with the second sliding groove (18) and with a width smaller than that of the second sliding groove (18) is arranged on one side of the fixed rod (17) departing from the second sliding groove (18), a clamping rod (21) penetrating through the strip-shaped hole (20) and contacting with the baffle (6) is arranged on one side of the second sliding blocks (19) facing the strip-shaped hole (20), and a first blade (22) and a second blade (23) are respectively arranged on the end portions of the, the end parts of the first blade (22) and the second blade (23) facing the side where the sample sucking port (7) is located are located at the edge of the sample sucking port (7); one side of the baffle (6) facing the strip-shaped hole (20) is provided with a third sliding groove, and the end part of the clamping rod (21) facing the third sliding groove is provided with a third sliding block (24) capable of sliding in the third sliding groove.

2. A medical clinical tumor biopsy sampling device according to claim 1, wherein the outer side wall of the puncture cylinder (1) is provided with a third annular plate (25).

3. A medical clinical tumor biopsy sampling device according to claim 1, characterized in that the end of the first annular plate (10) facing away from the sampling tube (2) is provided with an annular tube (26) which is sleeved outside the puncture tube (1).