CN219289533U

CN219289533U - Puncture biopsy needle positioning device

Info

Publication number: CN219289533U
Application number: CN202222992754.2U
Authority: CN
Inventors: 崔月龙; 杨丽敏; 范银芬; 崔涛; 王利强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-07-04
Anticipated expiration: 2032-11-10

Abstract

The utility model aims to provide a puncture biopsy needle positioning device, and belongs to the technical field of medical appliances. The device comprises a bed board, an angle ruler and a measuring ruler detachably arranged on the angle ruler; the measuring ruler is provided with a sliding block I which can slide up and down on the measuring ruler, and the sliding block I is provided with a biopsy needle clamping mechanism; the two sides of the bed board are provided with guide rails, the guide rails are provided with sliding blocks II which are matched with the guide rails, and two ends of the angle ruler are respectively connected to the sliding blocks II. According to the utility model, under the synergistic effect of the angle ruler, the measuring ruler, the sliding block I and the sliding block II, the biopsy needle is freely positioned in the three-dimensional space, the puncture position can be quantitatively adjusted, meanwhile, deviation of hand shake on the puncture direction is avoided, the puncture success rate is improved, the puncture time is saved, the CT scanning times are reduced, the structure is simple, the operation is convenient and reliable, the manufacturing cost is low, the working efficiency of patient treatment is greatly improved, and the popularization and the use are easy.

Description

Puncture biopsy needle positioning device

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a puncture biopsy needle positioning device.

Background

The biopsy needle is a medical instrument for sampling and sucking cells from living tissues of cone tumors, unknown tumors and the like of various organs such as kidneys, livers, lungs, breasts, thyroid glands, prostates, pancreas, testes, uterus, ovaries, body surfaces and the like.

At present, the biopsy for puncture under CT guidance is mostly operated by bare hands, in operation, because of deviation of hand shake to puncture direction, multiple CT scanning verification is needed, the selection of puncture path and the puncture are usually limited in a certain two-dimensional plane, the operation time is long, the repeated puncture rate is high, and the patient suffers from large X-radiation amount and has certain pneumothorax, hemorrhage and even fatal complications.

Disclosure of Invention

The utility model aims to provide a puncture biopsy needle positioning device which can realize free positioning of a biopsy needle in a three-dimensional space and solve the technical problems of long operation time, high repeated puncture rate and large X-radiation quantity of a patient caused by bare-handed operation of doctors in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a puncture biopsy needle positioning device comprises a bed plate, an angle ruler and a measuring ruler detachably arranged on the angle ruler;

the measuring ruler is provided with a sliding block I which can slide up and down on the measuring ruler, and the sliding block I is provided with a biopsy needle clamping mechanism;

guide rails are arranged on two sides of the bed board, a sliding block II which is matched with the guide rails is arranged on the guide rails, and two ends of the angle ruler are respectively connected to the sliding block II.

As an improvement of the utility model, the measuring ruler is a cuboid block, one side of the measuring ruler is provided with a clamping groove, and the other side of the measuring ruler is provided with a connecting through hole.

As an improvement of the utility model, one side of the sliding block I is provided with a clamping part which is matched with the measuring ruler, and the other side is provided with a rectangular bulge;

two sides of the clamping part are respectively provided with a side plate, and the side plates are provided with at least two positioning holes;

and the bulge is provided with a clamping mechanism mounting hole which transversely penetrates through the bulge.

As an improvement of the utility model, the bottom of the bulge is provided with a supporting plate for supporting the biopsy needle, and the center of the supporting plate is provided with a U-shaped hole.

As an improvement of the utility model, the biopsy needle clamping mechanism comprises two clamping arms which are symmetrically distributed, and the two clamping arms are connected through a spring;

the inner side of the clamping arm is provided with a clamping part matched with the automatic biopsy device.

As an improvement of the utility model, both ends of the angle ruler are respectively provided with a rotating wheel, the center of the rotating wheel is provided with a mounting hole, and the rotating wheel is hinged on a sliding block II through the mounting hole;

the rotating wheel is provided with a plurality of evenly distributed positioning grooves along the circumferential direction, and the rotating wheel is fixed on the sliding block II through a buckle matched with the positioning grooves.

The beneficial effects of the utility model are as follows: a puncture biopsy needle positioning device realizes free positioning of a biopsy needle in a three-dimensional space under the synergistic effect of an angle ruler, a measuring ruler, a sliding block I and a sliding block II, can quantitatively adjust the puncture position, and overcomes the ambiguity and uncertainty of the traditional positioning; the device provides guidance of the puncture direction for doctors through the biopsy needle clamping mechanism, avoids the deviation of hand shake to the puncture direction, improves the puncture success rate, saves the puncture time, reduces the CT scanning times, has simple structure, convenient and reliable operation and low manufacturing cost, greatly improves the working efficiency of patient treatment, and is easy to popularize and use.

Drawings

FIG. 1 is a schematic view of the overall structure of a biopsy needle positioning device of the present utility model;

FIG. 2 is a schematic view of the structure of the measuring scale of the present utility model;

FIG. 3 is a schematic view of the structure of the slider I of the present utility model;

FIG. 4 is a schematic view of a clamping mechanism according to the present utility model;

fig. 5 is a schematic view of the structure of the rotary wheel of the present utility model mounted on an angle ruler.

In the figure: 1. a bed board; 11. a slide rail; 2. a rotating wheel; 21. a mounting hole; 22. a positioning groove; 3. an angle ruler; 4. a measuring ruler; 41. a connecting through hole; 42. a clamping groove; 5. a sliding block I; 51. a support plate; 52. a protrusion; 53. an engagement portion; 54. a side plate; 55. a clamping mechanism mounting hole; 56. positioning holes; 57. a U-shaped hole; 6. a clamping mechanism; 61. a clamp arm; 62. a connecting plate I; 63. a spring; 64. a connecting plate II; 65. a clamping part; 7. a buckle; 8. and a sliding block II.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

It should be noted that, in the embodiments of the present utility model, terms such as up, down, left, right, etc. are merely relative concepts or references to normal use states of the product, and should not be construed as limiting.

As shown in fig. 1, a puncture biopsy needle positioning device comprises a bed plate 1, an angle ruler 3 and a measuring ruler 4 detachably arranged on the angle ruler 3; the measuring ruler 4 is provided with a sliding block I5 which can slide up and down on the measuring ruler 4, and the sliding block I5 is provided with a biopsy needle clamping mechanism 6; the two sides of the bed board 1 are provided with guide rails 11, the guide rails 11 are provided with sliding blocks II 8 which are matched with the guide rails 11, and the two ends of the angle ruler 3 are respectively connected to the sliding blocks II 8 of the guide rails 11 at the left side and the right side. The sliding block II 8 is of an H-shaped structure with upper and lower openings, the lower opening of the sliding block II is clamped on the guide rail 11, and the sliding block II can slide back and forth along the guide rail 11.

The slide block II 8 is used for adjusting the position of the biopsy needle clamping mechanism 6 in the front-back direction of the bed board 1, so as to adjust the position of the biopsy needle in the front-back direction of the bed board 1; according to different positions of the adjusting slide block I5 on the angle gauge 3, the left-right distance of the biopsy needle on the angle gauge and the positioning angle of the biopsy needle are adjusted; the biopsy needle is positioned on the sliding block I5 by adjusting different positions of the biopsy needle clamping mechanism 6 in the up-down direction of the sliding block I5. In conclusion, the above adjustment realizes the free positioning of the biopsy needle in the three-dimensional space, avoids the deviation of the traditional hand shake on the puncture direction, improves the puncture success rate, saves the puncture time, reduces the CT scanning times, has simple structure, convenient and reliable operation and low manufacturing cost, greatly improves the working efficiency of the treatment of patients, and is easy to popularize and use. By arranging the bed board 1, the puncture error caused by the common CT arc-shaped bed board is overcome.

As shown in fig. 2, the measuring ruler 4 is a cuboid block, a clamping groove 42 adapted to the biopsy needle clamping mechanism 6 is formed in one side of the measuring ruler 4, a plurality of connecting through holes 41 which are uniformly distributed are formed in the other side of the measuring ruler 4, the measuring ruler 4 is mounted on the angle ruler 3 through the connecting through holes 41 through bolts, and the angle and the vertical distance of the biopsy needle can be conveniently adjusted through the measuring ruler 4. The bolts realize the adjustment of the vertical distance of the measuring tape 4 through different connecting through holes 41.

As shown in fig. 3, one side of the slider i 5 is provided with a clamping portion 53 adapted to the clamping groove 42 on the measuring scale 4, and the other side is provided with a rectangular protrusion 52; side plates 54 are respectively arranged on two sides of the clamping part 53, and at least two positioning holes 56 are formed in the side plates 54; the boss 52 is provided with a fixture mounting hole 55 extending transversely through the boss 52. The bottom of the bulge 52 is provided with a supporting plate 51 for supporting the biopsy needle, the center of the supporting plate 51 is provided with a U-shaped hole 57, and the biopsy needle is convenient for a doctor to operate and has a simple structure.

In operation, the slider I5 is positioned by moving the slider I5 on the scale 4 to a designated position and then passing through the positioning hole 56 by a screw.

As shown in fig. 4, the biopsy needle clamping mechanism 6 comprises two clamping arms 61 which are symmetrically distributed, and a clamping part 65 which is matched with the automatic biopsy device is arranged on the inner side of the clamping arm 61; the arm lock inboard below clamping part 65 is equipped with connecting plate I62 and connecting plate II 64, and spring mounting hole has all been seted up to the inner of connecting plate I62 and connecting plate II 64, and two arm locks 61 pass through spring 63 and connect, and the one end of spring 63 is connected on connecting plate I62 of arm lock 61 inboard, and the other end is connected on connecting plate II 64 of another arm lock 61 inboard, that is, connecting plate I62 and connecting plate II 64 of two arm locks 61 inboard correspond the setting. During installation, the connecting plate I62 and the connecting plate II 64 are installed on the sliding block I5 through the clamping mechanism installation holes 55 on the sliding block I5.

As shown in fig. 5, two ends of the angle ruler 3 are respectively provided with a rotary wheel 2, the center of the rotary wheel 2 is provided with a mounting hole 21, the rotary wheel 2 is hinged on the upper end opening of the sliding block II 8 through the mounting hole 21, so that the angle ruler 3 can integrally rotate around the center of the rotary wheel 2, and the free positioning of the biopsy needle in the space position is further expanded; the rotary wheel 2 is provided with a plurality of evenly distributed positioning grooves 22 along the circumferential direction, the rotary wheel 2 is fixed on the sliding block II 8 through the buckles 7 matched with the positioning grooves 22, and different rotary positions of the angle ruler 3 are realized by installing the buckles 7 in different positioning grooves 22.

The angle gauge 3 and the measuring gauge 4 are provided with scales. The biopsy needle clamping mechanism 6 is used for fixing the biopsy needle through the clamping arm 61, and is used for clamping and fixing the existing automatic biopsy device or biopsy gun, fixing the automatic biopsy device or biopsy gun after reaching a designated position, then operating the biopsy needle through a doctor, and achieving accurate positioning, convenient operation, avoiding deviation of hand shake on the puncture direction, improving the puncture success rate, saving the puncture time, reducing CT scanning times, greatly improving the treatment working efficiency of patients and being easy to popularize and use.

The above is a detailed description of a positioning device for a biopsy needle provided by the present utility model, and specific examples are applied herein to illustrate the structural principles and embodiments of the present utility model, where the above examples are only used to help understand the method and core ideas of the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.

Claims

1. A needle biopsy needle positioning device, characterized in that: comprises a bed board (1), an angle ruler (3) and a measuring ruler (4) which is detachably arranged on the angle ruler (3);

the measuring ruler (4) is provided with a sliding block I (5) which can slide up and down on the measuring ruler (4), and the sliding block I (5) is provided with a biopsy needle clamping mechanism (6);

the two sides of the bed board (1) are provided with guide rails (11), the guide rails (11) are provided with sliding blocks II (8) which are matched with the guide rails (11), and the two ends of the angle ruler (3) are respectively connected to the sliding blocks II (8);

the biopsy needle clamping mechanism (6) comprises two clamping arms (61) which are symmetrically distributed, and the two clamping arms (61) are connected through a spring (63);

the inner side of the clamping arm (61) is provided with a clamping part (65) which is matched with the automatic biopsy device.

2. The biopsy needle positioning device of claim 1, wherein: the measuring ruler (4) is a cuboid block, a clamping groove (42) is formed in one side of the measuring ruler (4), and a connecting through hole (41) is formed in the other side of the measuring ruler.

3. The biopsy needle positioning device of claim 1, wherein: one side of the sliding block I (5) is provided with a clamping part (53) which is matched with the measuring ruler (4), and the other side of the sliding block I is provided with a rectangular bulge (52);

two sides of the clamping part (53) are respectively provided with a side plate (54), and at least two positioning holes (56) are formed in the side plates (54);

the bulge (52) is provided with a clamping mechanism mounting hole (55) which transversely penetrates through the bulge (52).

4. A biopsy needle positioning device according to claim 3, wherein: the bottom of the bulge (52) is provided with a supporting plate (51) for supporting the biopsy needle, and the center of the supporting plate (51) is provided with a U-shaped hole (57).

5. A biopsy needle positioning device according to any one of claims 1 to 4, wherein: the two ends of the angle ruler (3) are respectively provided with a rotating wheel (2), the center of the rotating wheel (2) is provided with a mounting hole (21), and the rotating wheel (2) is hinged on the sliding block II (8) through the mounting hole (21);

the rotary wheel (2) is provided with a plurality of evenly distributed positioning grooves (22) along the circumferential direction, and the rotary wheel (2) is fixed on the sliding block II (8) through a buckle (7) matched with the positioning grooves (22).