CN220558075U

CN220558075U - Puncture needle clamp

Info

Publication number: CN220558075U
Application number: CN202321773861.4U
Authority: CN
Inventors: 岳恺
Original assignee: Tianjin Medical University Cancer Institute and Hospital
Current assignee: Tianjin Medical University Cancer Institute and Hospital
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2024-03-08
Anticipated expiration: 2033-07-06

Abstract

The utility model provides a puncture needle clamp which comprises a holding device, a rotating assembly and a connecting rod, wherein one end of the connecting rod is connected with one end of the holding device through the rotating assembly; the clamping device comprises a shell, a spring, a trapezoid block, a sliding component and a second bolt, and the shell is connected with the rotating component; the spring and the trapezoidal piece set gradually in the inside of shell, and the slip subassembly sets up in the shell, and the trapezoidal piece slides and sets up on the slip subassembly, and the second bolt setting is in the top of trapezoidal piece. The device is in butt joint with the puncture needle through the trapezoid block, can be suitable for puncture needles of different models, adopts terminal clamping, can not be influenced by multiple factors such as receptor position, puncture needle limiting device and the like, and causes the problem that the clamp can not safely and rapidly recover after the puncture is completed.

Description

Puncture needle clamp

Technical Field

The utility model belongs to the field of medical instruments, and particularly relates to a puncture needle clamp.

Background

The existing puncture needle clamp fixing mode is divided into a needle penetrating type and a clamping type. Most puncture needle clamps are fixed by a threading needle, and when the puncture needle clamps are fixed by the threading needle, the puncture needle clamps need to be sleeved on the puncture needle from a needle point, and an operation area can be polluted; the small part adopts a clamping type fixed puncture needle clamp, and the size of a limiting hole of the puncture needle is fixed, so that the puncture needle is applicable to the same puncture needle.

Disclosure of Invention

In view of the above, the present utility model aims to provide a puncture needle fixture, which solves the problem that the fixture cannot be used for puncture needles of different types.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a puncture needle clamp comprises a holding device, a rotating assembly and a connecting rod, wherein one end of the connecting rod is connected with one end of the holding device through the rotating assembly; the clamping device comprises a shell, a spring, a trapezoid block, a sliding component and a second bolt, and the shell is connected with the rotating component; the spring and the trapezoidal piece set gradually in the inside of shell, and the slip subassembly sets up in the shell, and the trapezoidal piece slides and sets up on the slip subassembly, and the second bolt setting is in the top of trapezoidal piece.

Further, the rotating assembly comprises a U-shaped block, a rotating head, a first bolt and a nut, wherein first rotating holes are formed in two sides of the U-shaped block, second rotating holes corresponding to the first rotating holes are formed in the rotating head, the rotating head is rotationally connected with the U-shaped block through the first bolt, and the nut is arranged at the end part of the first bolt; the rotating head is arranged at the end part of the connecting rod, the end part of the U-shaped block is fixedly connected with the clamping device, and the rotating assembly can enable the angle of the connecting rod and the angle of the clamping device to be adjusted, so that the angle of the connecting rod and the puncture needle can be adjusted.

Further, a groove is formed in one end, away from the rotating assembly, of the outer shell, and the groove is used for placing the puncture needle.

Further, one end of the spring is fixedly arranged at one end of the shell far away from the groove, and the other end of the spring is connected with the upper bottom surface of the trapezoid block.

Further, the sliding component comprises a trapezoidal sliding rail, a sliding block and a baffle plate, wherein the right-angle side of the trapezoidal sliding rail is arranged on the inner wall of the shell, the inclined side of the trapezoidal sliding rail is parallel to the lower inclined side of the trapezoidal block, and the inclined side of the trapezoidal sliding rail is connected with the lower inclined side of the trapezoidal block through the sliding block; the upper bottom surface of the trapezoid slide rail is aligned with the groove, the lower bottom surface of the trapezoid slide rail is provided with a baffle, the height of the baffle is higher than the lower bottom side length of the trapezoid slide rail, and the baffle enables the sliding block not to separate from the trapezoid slide rail.

Further, the top of the sliding block is fixedly arranged on the lower bevel edge of the trapezoid block, and the bottom of the sliding block is in sliding connection with the trapezoid sliding rail.

Further, the second bolt rotates and sets up at the shell top, and the bottom of second bolt and the top hypotenuse slip butt of trapezoidal piece.

Compared with the prior art, the puncture needle clamp has the following advantages:

(1) According to the clamping device, the trapezoidal blocks are utilized to slide to abut against the puncture needles, so that the clamping effect is achieved, and meanwhile, the clamping device can be suitable for puncture needles of different types in an abutting mode;

(2) The puncture needle clamp adopts the tail end clamping, and cannot be influenced by a receptor position, a puncture needle limiting device and other factors, so that the problem that the puncture needle can not be safely and rapidly recycled after the puncture is completed is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is an overall schematic view of a lancet holder according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a lancet holder rotating assembly according to an embodiment of the present utility model;

fig. 3 is a schematic view of a puncture needle holder holding apparatus according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a connecting rod; 2. a U-shaped block; 3. a rotating head; 4. a first bolt; 5. a nut; 6. a first rotation hole; 7. a second rotation hole; 8. a housing; 9. a spring; 10. a trapezoid block; 11. a second bolt; 12. a groove; 13. a trapezoidal slide rail; 14. a slide block; 15. and a baffle.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 3, a puncture needle clamp comprises a holding device, a rotating assembly and a connecting rod 1, wherein one end of the connecting rod 1 is connected with one end of the holding device through the rotating assembly; the clamping device comprises a shell 8, a spring 9, a trapezoid block 10, a sliding component and a second bolt 11, wherein the shell 8 is connected with the rotating component; the spring 9 and the trapezoidal block 10 are sequentially arranged in the shell 8, the sliding assembly is arranged in the shell 8, the trapezoidal block 10 is arranged on the sliding assembly in a sliding mode, and the second bolt 11 is arranged above the trapezoidal block 10.

The rotating assembly comprises a U-shaped block 2, a rotating head 3, a first bolt 4 and a nut 5, wherein first rotating holes 6 are formed in two sides of the U-shaped block 2, second rotating holes 7 corresponding to the first rotating holes 6 are formed in the rotating head 3, the rotating head 3 and the U-shaped block 2 are connected in a rotating mode through the first bolt 4, and the nut 5 is arranged at the end portion of the first bolt 4; the rotating head 3 is arranged at the end part of the connecting rod 1, the end part of the U-shaped block 2 is fixedly connected with the clamping device, and the rotating assembly can enable the angle of the connecting rod 1 and the angle of the clamping device to be adjusted, so that the angle of the connecting rod 1 and the puncture needle can be adjusted.

The clamping device comprises a shell 8, a spring 9, a trapezoid block 10, a sliding assembly and a second bolt 11, wherein the spring 9 and the trapezoid block 10 are sequentially arranged in the shell 8, the sliding assembly is arranged below the trapezoid block 10, and the second bolt 11 is arranged above the trapezoid block 10.

The end of the housing 8 remote from the rotating assembly is provided with a recess 12, the recess 12 being used for placing a puncture needle.

One end of the spring 9 is fixedly arranged at one end of the shell 8 far away from the groove 12, and the other end of the spring 9 is connected with the upper bottom surface of the trapezoid block 10.

The sliding component comprises a trapezoidal sliding rail 13, a sliding block 14 and a baffle 15, wherein the right-angle side of the trapezoidal sliding rail 13 is arranged on the inner wall of the shell 8, the inclined side of the trapezoidal sliding rail 13 is parallel to the lower inclined side of the trapezoidal block 10, and the inclined side of the trapezoidal sliding rail 13 is connected with the lower inclined side of the trapezoidal block 10 through the sliding block 14; the upper bottom surface of the trapezoid slide rail 13 is aligned with the groove 12, the lower bottom surface of the trapezoid slide rail 13 is provided with a baffle 15, the height of the baffle 15 is higher than the lower bottom edge of the trapezoid slide rail 13, and the baffle 15 prevents the sliding block 14 from being separated from the trapezoid slide rail 13.

The top of the sliding block 14 is fixedly arranged on the lower inclined edge of the trapezoid block 10, and the bottom of the sliding block 14 is in sliding connection with the trapezoid sliding rail 13.

The second bolt 11 is rotatably arranged at the top of the shell 8, and the bottom of the second bolt 11 is in sliding contact with the upper oblique side of the trapezoid block 10.

In specific implementation, when the spring is in a natural length and the trapezoid block 10 is positioned in the shell 8 through the elasticity of the spring 9, when the puncture needle needs to be clamped, the puncture needle is placed in the groove 12, the second bolt 11 is rotated downwards, the bevel edge of the second bolt 11 is abutted with the trapezoid block 10, so that the trapezoid block 10 moves along the trapezoid sliding rail 13 towards the groove 12 through the sliding block 14 until the trapezoid block abuts against the puncture needle, the angle of the connecting rod 1 and the clamping device is adjusted through the rotating assembly, the angle of the connecting rod 1 and the puncture needle is adjusted, and after the angle is adjusted, the trapezoid block 10 is fixed through the first bolt 4 and the nut 5; when the puncture needle is taken out, the second bolt 11 is rotated upwards, and the trapezoid block 10 moves towards the direction of the spring 9 along the trapezoid slide rail 13 through the sliding block 14 due to the rebound effect of the spring 9, so that the puncture needle is loosened, and the trapezoid block 10 returns into the shell 8.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A puncture needle clamp, characterized in that: comprises a holding device, a rotating assembly and a connecting rod (1), wherein one end of the connecting rod (1) is connected with one end of the holding device through the rotating assembly; the clamping device comprises a shell (8), a spring (9), a trapezoid block (10), a sliding component and a second bolt (11), wherein the shell (8) is connected with the rotating component; the spring (9) and the trapezoid block (10) are sequentially arranged in the shell (8), the sliding assembly is arranged in the shell (8), the trapezoid block (10) is arranged on the sliding assembly in a sliding mode, and the second bolt (11) is arranged above the trapezoid block (10).

2. A lancet holder as recited in claim 1 wherein: the rotating assembly comprises a U-shaped block (2), a rotating head (3), a first bolt (4) and nuts (5), wherein first rotating holes (6) are formed in two sides of the U-shaped block (2), second rotating holes (7) corresponding to the first rotating holes (6) are formed in the rotating head (3), the rotating head (3) and the U-shaped block (2) are connected in a rotating mode through the first bolt (4), and the nuts (5) are arranged at the end portions of the first bolt (4); the rotating head (3) is arranged at the end part of the connecting rod (1), and the end part of the U-shaped block (2) is fixedly connected with the clamping device.

3. A lancet holder as recited in claim 1 wherein: one end of the shell (8) far away from the rotating component is provided with a groove (12).

4. A lancet holder as recited in claim 1 wherein: one end of the spring (9) is fixedly arranged at one end, far away from the groove (12), of the shell (8), and the other end of the spring (9) is connected with the upper bottom surface of the trapezoid block (10).

5. A lancet holder as recited in claim 1 wherein: the sliding assembly comprises a trapezoidal sliding rail (13), a sliding block (14) and a baffle plate (15), wherein the right-angle side of the trapezoidal sliding rail (13) is arranged on the inner wall of the shell (8), the inclined side of the trapezoidal sliding rail (13) is parallel to the lower inclined side of the trapezoidal block (10), and the inclined side of the trapezoidal sliding rail (13) is connected with the lower inclined side of the trapezoidal block (10) through the sliding block (14); the upper bottom surface of the trapezoid slide rail (13) is aligned with the groove (12), a baffle (15) is arranged on the lower bottom surface of the trapezoid slide rail (13), and the height of the baffle (15) is higher than the length of the lower bottom edge of the trapezoid slide rail (13).

6. A lancet holder as recited in claim 5 wherein: the top of the sliding block (14) is fixedly arranged on the lower inclined edge of the trapezoid block (10), and the bottom of the sliding block (14) is in sliding connection with the trapezoid sliding rail (13).

7. A lancet holder as recited in claim 1 wherein: the second bolt (11) is rotatably arranged at the top of the shell (8), and the bottom of the second bolt (11) is in sliding contact with the upper oblique side of the trapezoid block (10).