CN216777178U

CN216777178U - Femoral artery puncture needle with angle and depth measuring function

Info

Publication number: CN216777178U
Application number: CN202123330403.7U
Authority: CN
Inventors: 王进平; 陈阳美
Original assignee: Chongqing emergency medical center; Second Affiliated Hospital of Chongqing Medical University
Current assignee: Chongqing emergency medical center; Second Affiliated Hospital of Chongqing Medical University
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-21
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a femoral artery puncture needle with an angle and depth measuring function, which comprises a bottom plate, a puncture needle and an arc angle measuring plate, wherein the arc angle measuring plate is fixedly connected with one end of the bottom plate, one end of the bottom plate is rotatably connected with a supporting plate through a rotating shaft, the arc angle measuring plate is provided with a through hole corresponding to the supporting plate, a sliding rod is fixedly connected in the through hole, the sliding rod is sleeved with a sliding block in a sliding manner, one end of the sliding block is fixedly connected with the supporting plate, the sliding block is provided with a sliding opening corresponding to the sliding rod, a clamping rod is inserted in the sliding opening in a sliding manner, the sliding rod is equidistantly provided with a plurality of clamping grooves corresponding to the clamping rod, the top of the supporting plate is provided with a guide groove, and a guide rod is fixedly connected in the guide groove. According to the utility model, through the arrangement of the angle measurement and the depth measurement structure, the puncture depth and angle of the puncture needle can be measured, so that the puncture precision of the puncture needle is improved.

Description

Femoral artery puncture needle with angle and depth measuring function

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a femoral artery puncture needle with an angle and depth measuring function.

Background

The interventional puncture needle is a medical instrument for femoral artery puncture during interventional therapy, and the success or failure of the interventional therapy is determined by the establishment of a good arterial access. When in puncture, the puncture needle is firstly used for puncturing the blood vessel, and then the guide wire is used for guiding the catheter sheath to be inserted into the blood vessel after blood spraying. The existing artery puncture needle mainly comprises a needle body and a needle handle, wherein the needle body is a metal tube, and the head end of the needle body is sharp to form a 30-degree inclined plane. The needle handle can be made of metal or nonmetal materials, and the inner cavity of the needle handle is in a smooth funnel shape so as to be convenient for inserting a guide wire with a guide tube or connecting a syringe so as to be convenient for flushing the puncture needle. The front section of the guide wire can be a J-shaped head or a straight head, the tail section of the guide wire is a straight head, the J-shaped head of the guide wire is required to be inserted into a blood vessel in the standard puncture technical operation, and a guide tube is required to be used for facilitating the guide wire to be inserted into the blood vessel through the lumen of the puncture needle.

However, the external structure of the existing femoral artery puncture needle is simple, and the external part of the femoral artery puncture needle lacks a certain measuring structure, so that the puncture precision of the femoral artery puncture needle is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the external structure of a femoral artery puncture needle is simple and a certain measuring structure is lacked outside the femoral artery puncture needle in the prior art, and provides the femoral artery puncture needle with the angle and depth measuring function.

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

the utility model provides a femoral artery pjncture needle with angle and degree of depth measurement function, includes bottom plate, pjncture needle and arc angulation board, the one end fixed connection of arc angulation board and bottom plate, the one end of bottom plate is rotated through the pivot and is connected with the backup pad, be equipped with the opening that corresponds with the backup pad on the arc angulation board, fixedly connected with slide bar in the opening, the slider has been cup jointed in the slip on the slide bar, the one end and the backup pad fixed connection of slider, be equipped with the sliding opening that corresponds with the slide bar on the slider, it is equipped with the kelly to slide to insert in the sliding opening, equidistantly on the slide bar be equipped with a plurality of draw-in grooves that correspond with the kelly, the top of backup pad is equipped with the guide way, fixedly connected with the guide arm in the guide way, the fixed block has been cup jointed in the slip on the guide arm, the one end and the pjncture needle outer wall fixed connection of fixed block.

Preferably, the bottom of the bottom plate is fixedly connected with a rubber pad.

Preferably, the rotating shaft is sleeved with a torsion spring, and two ends of the torsion spring are respectively and fixedly connected with the supporting plate and the bottom plate.

Preferably, the support plate is provided with scale marks.

Preferably, a clamping sleeve is fixedly sleeved at one end, close to the sliding rod, of the clamping rod, and a pull rod is fixedly connected at one end, far away from the clamping sleeve, of the clamping rod.

Preferably, the clamping rod is sleeved with a spring, and two ends of the spring are fixedly connected with the clamping sleeve and the inner wall of the sliding opening respectively.

Has the advantages that:

1. the puncture angle of the puncture needle can be measured by arranging the arc-shaped angle measuring plate, meanwhile, the clamping rod can fix the sliding block, so that the angle of the puncture needle is fixed, when the puncture needle is pushed to puncture, the scale marks on the supporting plate can measure the puncture depth, and meanwhile, the fixing block and the guide rod are arranged, so that the puncture needle can be prevented from shaking;

2. the setting of spring can play certain elastic support to the kelly, and torque spring can play certain torsion to the backup pad and support simultaneously, and the setting of rubber pad can prevent the slip of bottom plate simultaneously.

Drawings

FIG. 1 is a schematic structural view of a femoral artery puncture needle with angle and depth measurement function according to the present invention;

FIG. 2 is a schematic diagram of a side view of a femoral artery puncture needle slide bar with angle and depth measurement function according to the present invention;

fig. 3 is a schematic top view of the femoral artery puncture needle slider with the angle and depth measuring function.

In the figure: the puncture needle comprises a base plate 1, a puncture needle 2, an arc angle measuring plate 3, a rotating shaft 4, a supporting plate 5, a sliding rod 6, a sliding block 7, a clamping rod 8, a spring 9, a guide rod 10, a fixing block 11, a clamping sleeve 12 and a pull rod 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a femoral artery puncture needle with an angle and depth measuring function comprises a bottom plate 1, a puncture needle 2 and an arc-shaped angle measuring plate 3, wherein a rubber pad is fixedly connected to the bottom of the bottom plate 1, the arc-shaped angle measuring plate 3 is fixedly connected with one end of the bottom plate 1, one end of the bottom plate 1 is rotatably connected with a supporting plate 5 through a rotating shaft 4 and is used for supporting the puncture needle 2, a torsion spring is sleeved on the rotating shaft 4, and two ends of the torsion spring are respectively fixedly connected with the supporting plate 5 and the bottom plate 1 to support the supporting plate 5 with certain torsion;

in the embodiment, the support plate 5 is provided with scale marks for measuring the puncture depth of the puncture needle 2, the arc angle measuring plate 3 is provided with a through hole corresponding to the support plate 5, a slide rod 6 is fixedly connected in the through hole and used for supporting a slide block 7, the slide rod 6 is sleeved with the slide block 7 in a sliding manner, one end of the slide block 7 is fixedly connected with the support plate 5, the slide block 7 is provided with a slide opening corresponding to the slide rod 6, a clamping rod 8 is inserted in the slide opening in a sliding manner and used for fixing the position of the slide block 7, and the slide rod 6 is equidistantly provided with a plurality of clamping grooves corresponding to the clamping rod 8;

in the embodiment, a clamping sleeve 12 is fixedly sleeved at one end of the clamping rod 8 close to the sliding rod 6 to prevent the clamping rod 8 from falling off from the sliding block 6, a pull rod 13 is fixedly connected at one end of the clamping rod 8 far away from the clamping sleeve 12, a spring 9 is sleeved on the clamping rod 8, two ends of the spring 9 are respectively and fixedly connected with the clamping sleeve 12 and the inner wall of the sliding opening, and certain elastic support is provided for the clamping rod 8;

in this embodiment, a guide groove is formed in the top of the supporting plate 5, a guide rod 10 is fixedly connected in the guide groove, a fixing block 11 is slidably sleeved on the guide rod 10 and used for supporting the puncture needle 2, and one end of the fixing block 11 is fixedly connected with the outer wall of the puncture needle 2.

In this embodiment, through the setting of arc quantity scute 3, can measure the puncture angle of puncture needle 2, kelly 8 can be fixed slider 7 simultaneously to fix the angle of puncture needle 2, when promoting puncture needle 2 to puncture simultaneously, the scale mark in the backup pad 5 can be measured the puncture degree of depth, and the setting of fixed block 11 and guide arm 10 can prevent rocking of puncture needle 2 simultaneously.

In this embodiment, the setting of spring 9 can play certain elastic support to kelly 8, and torque spring can play certain torsion to backup pad 5 simultaneously and support, and the setting of rubber pad can prevent the slip of bottom plate 1 simultaneously.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a femoral artery pjncture needle with angle and degree of depth measurement function, includes bottom plate (1), pjncture needle (2) and arc quantitive angle board (3), its characterized in that: the arc angle measuring plate (3) is fixedly connected with one end of the bottom plate (1), one end of the bottom plate (1) is rotatably connected with a supporting plate (5) through a rotating shaft (4), the arc angle measuring plate (3) is provided with a through hole corresponding to the support plate (5), a slide bar (6) is fixedly connected in the through hole, a sliding block (7) is sleeved on the sliding rod (6) in a sliding manner, one end of the sliding block (7) is fixedly connected with the supporting plate (5), a sliding opening corresponding to the sliding rod (6) is arranged on the sliding block (7), a clamping rod (8) is inserted in the sliding opening in a sliding way, a plurality of clamping grooves corresponding to the clamping rods (8) are arranged on the sliding rod (6) at equal intervals, the top of the supporting plate (5) is provided with a guide groove, a guide rod (10) is fixedly connected in the guide groove, the guide rod (10) is sleeved with a fixing block (11) in a sliding mode, and one end of the fixing block (11) is fixedly connected with the outer wall of the puncture needle (2).

2. A femoral artery puncture needle with angle and depth measurement function according to claim 1, characterized in that: the bottom of the bottom plate (1) is fixedly connected with a rubber pad.

3. A femoral artery puncture needle with angle and depth measurement function according to claim 1, characterized in that: the rotating shaft (4) is sleeved with a torsion spring, and two ends of the torsion spring are fixedly connected with the supporting plate (5) and the bottom plate (1) respectively.

4. A femoral artery puncture needle with angle and depth measurement function according to claim 1, characterized in that: and scale marks are arranged on the supporting plate (5).

5. A femoral artery puncture needle with angle and depth measurement function according to claim 1, characterized in that: the clamping sleeve (12) is fixedly sleeved at one end, close to the sliding rod (6), of the clamping rod (8), and the pull rod (13) is fixedly connected at one end, far away from the clamping sleeve (12), of the clamping rod (8).

6. The femoral artery puncture needle with angle and depth measurement function according to claim 5, characterized in that: the clamp rod (8) is sleeved with a spring (9), and two ends of the spring (9) are fixedly connected with the clamp sleeve (12) and the inner wall of the sliding opening respectively.