CN211067082U

CN211067082U - Puncture positioner under CT guide

Info

Publication number: CN211067082U
Application number: CN201922043654.3U
Authority: CN
Inventors: 张倩
Original assignee: First Affiliated Hospital of Nanyang Medical College
Current assignee: First Affiliated Hospital of Nanyang Medical College
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-24
Anticipated expiration: 2029-11-21

Abstract

A puncture positioning device under CT guidance effectively solves the problems that a puncture position is easy to move and a puncture angle is inconvenient to adjust, and comprises an annular chassis which is axially arranged up and down, wherein a plurality of scale marks which are uniformly distributed along the circumferential direction of the chassis are arranged on the upper surface of the chassis, a plurality of fixing pastes which are uniformly distributed along the circumferential direction of the chassis are arranged on the lower side of the chassis, a rotating ring is coaxially and rotatably connected to the upper side of the chassis, an arc-shaped rod which is bent rightwards and is vertically is fixedly connected to the upper end of the rotating ring, arc lines which are uniformly distributed along the length direction of the arc-shaped rod are arranged on the outer surface of the arc-shaped rod, an inverted L-shaped connecting block is slidably connected to the arc-shaped rod, a rectangular block is fixed to the lower end of the connecting block, and a puncture hole which is communicated up and down is formed.

Description

Puncture positioner under CT guide

Technical Field

The utility model relates to a puncture treatment auxiliary instrument technical field, especially a puncture positioner under CT guide.

Background

The CT guided hypodermal puncture biopsy is widely applied to clinic due to small trauma and simple and quick use, but the accuracy rate of puncture is always a large subject of clinical research, the needle insertion angle is generally determined by the experience of a puncture physician, particularly, when a small or deep focus is punctured, the needle insertion angle is slightly deviated, the puncture needle needs to be returned to the needle insertion point, the needle is punctured again after the needle insertion angle is adjusted, but the puncture position is easy to move, so that the positioning is inaccurate, the accurate positioning effect cannot be achieved, the repeated puncture can cause the trauma of normal tissues, various complications can be caused, such as infection, bleeding and the like, and serious patients can die.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a puncture positioning device under CT guidance, which effectively solves the problems of easy movement of the puncture position and inconvenient adjustment of the puncture angle.

The technical scheme of its solution is, the utility model discloses an upper and lower axial just is annular chassis, the chassis upper surface is equipped with a plurality of scale marks along its circumferencial direction equipartition, the chassis downside is equipped with a plurality of fixed subsides along its circumferencial direction equipartition, the coaxial rotation of chassis upside is connected with the change, direction and the arc pole of bending right about the change upper end fixedly connected with, be equipped with the radian line along its length direction equipartition on the arc pole surface, sliding connection has the connecting block that is down L shape on the arc pole, the connecting block lower extreme is fixed with the rectangular block, set up the puncture hole that link up from top to bottom in the rectangular block.

Compared with the prior art, the beneficial effects of the utility model are that: fix the chassis on the patient through fixed subsides, utilize rotatable change and arc pole cooperation simultaneously, realize the rectangular block in the fixed of chassis top arbitrary direction through the connecting block, the pjncture needle can be fixed on the rectangular block, both is convenient for nurse and nurses the puncture angle of adjusting the pjncture needle wantonly, prevents again that the position of puncture from removing, this simple structure, convenient operation conceives the novelty, and the practicality is strong.

Drawings

Fig. 1 is an isometric view of the present invention.

Figure 2 is the utility model discloses a cut main visual axis mapping.

Figure 3 is the utility model discloses a partially cut owner and look axonometric drawing.

Fig. 4 is an enlarged view of a in fig. 3 according to the present invention.

Is 5 is an enlarged view of B in FIG. 3 of the present invention

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 5, axial just is annular chassis 1 including last lower extreme, 1 upper surface on chassis is equipped with a plurality of scale marks 2 along its circumferencial direction equipartition, 1 downside on chassis is equipped with a plurality of fixed pastes 3 along its circumferencial direction equipartition, 1 upside coaxial rotation on chassis is connected with swivel 4, direction and the crooked arc pole 5 of right side about swivel 4 upper end fixedly connected with, be equipped with the radian line 6 along its length direction equipartition on the 5 surface of arc pole, sliding connection has the connecting block 7 that is the shape of falling L on the arc pole 5, the connecting block 7 lower extreme is fixed with rectangular block 8, seted up puncture hole 9 that link up from top to bottom in the rectangular block 8.

In order to realize the locking of the rotation of the rotating ring 4, the chassis 1 is provided with a screw rod 11 which is positioned at the right side of the rotating ring 4 and is in the vertical direction, and a pressing sheet 12 which can be contacted with the upper surface of the rotating ring 4 is connected to the screw rod 11 in a threaded manner.

Can lock on arc pole 5 in order to realize connecting block 7, connecting block 7 upside seted up about link up and be located the groove 13 of stepping down of arc pole 5 rear side, be equipped with gliding clutch blocks 14 around can in the groove 13 of stepping down, clutch blocks 14 front surface can with arc pole 5 rear surface contact.

In order to realize that the friction block 14 slides back and forth in the abdicating groove 13, the rear end of the friction block 14 is provided with a connecting rod 15, the rear end of the connecting rod 15 penetrates through the connecting block 7 and is provided with a lug 16, and the outer side of the connecting rod 15 is sleeved with a tension spring 17 positioned between the lug 16 and the connecting block 7.

In order to fix the puncture needle in the puncture hole 9, a clamping clip 10 capable of sliding left and right is arranged in the puncture hole 9.

In order to facilitate the left-right sliding of the clamp 10 in the puncture hole 9, the right side of the rectangular block 8 is in threaded connection with a rotating rod 18, the right end of the rotating rod 18 extends out of the rectangular block 8, and the left end of the rotating rod 18 is rotatably connected with the right end of the clamp 10.

When the utility model is used, the pressing sheet 12 is not contacted with the rotating ring 4 in the initial state, the rear end face of the clamping clip 10 is contacted with the inner side wall of the puncture hole 9, and the friction block 14 is contacted with the arc-shaped rod 5 to lock the connecting block 7;

the base plate 1 is fixed on a patient body through the fixing paste 3, the puncture needle penetrates through the puncture hole 9, the convex block 16 is pulled backwards, the convex block 16 drives the friction block 14 to be separated from the connecting block 7 through the connecting rod 15, the locking state of the connecting block 7 is released, the convex block 16 stretches the tension spring 17 backwards, the connecting block 7 can slide to a certain position along the length direction of the arc-shaped rod 5, the puncture angle of the puncture needle in the vertical direction is adjusted by observing the arc line 6, the arc-shaped rod 5 is stirred to rotate the rotary ring 4, the scale line 2 on the base plate 1 is observed to adjust the puncture angle of the puncture needle in the circumferential direction, the rotary ring 4 and the arc-shaped rod 5 are adjusted to determine an accurate puncture position, the pressing sheet 12 is rotated downwards along the screw rod 11, the rotation of the rotary ring 4 is locked after the lower end face of the pressing sheet 12 is contacted with the rotary ring 4, the force on the convex block 16, the rotating rod 18 is rotated to slide into the puncture hole 9, the rotating rod 18 drives the clamp 10 to slide, the clamp 10 is tightly clamped after being contacted with the puncture needle, and the medical staff can perform puncture operation at the moment;

after the puncture is finished, the rotating rod 18 is rotated reversely, the rotating rod 18 drives the clamp 10 to separate from the puncture needle, the puncture needle is taken out of the patient body at the moment, the pressing sheet 12 is rotated to enable the pressing sheet 12 to be separated upwards from the rotating ring 4, the fixing patch 3 is separated from the body of the patient, and the chassis 1 is taken down from the patient body to recover to the initial position.

Claims

1. The utility model provides a puncture positioner under CT guide, just be annular chassis (1) including upper and lower axial, a serial communication port, chassis (1) upper surface is equipped with a plurality of scale mark (2) of its circumferencial direction equipartition of edge, chassis (1) downside is equipped with a plurality of fixed subsides (3) of its circumferencial direction equipartition of edge, chassis (1) upside coaxial rotation is connected with swivel (4), direction and arc pole (5) of right bend about swivel (4) upper end fixedly connected with, be equipped with on arc pole (5) the surface along radian line (6) of its length direction equipartition, sliding connection has connecting block (7) that are the shape of falling L on arc pole (5), connecting block (7) lower extreme is fixed with rectangular block (8), open up and down hole (9) of puncturing in rectangular block (8).

2. The CT guided lower puncture positioning device as claimed in claim 1, wherein the chassis (1) is provided with a screw rod (11) which is positioned at the right side of the rotating ring (4) and in the up-and-down direction, and the screw rod (11) is in threaded connection with a pressing sheet (12) which can be in contact with the upper surface of the rotating ring (4).

3. The CT-guided puncture positioning device according to claim 1, wherein the upper side of the connecting block (7) is provided with a left-right through abdicating groove (13) located at the rear side of the arc-shaped rod (5), a friction block (14) capable of sliding back and forth is arranged in the abdicating groove (13), and the front surface of the friction block (14) can be in contact with the rear surface of the arc-shaped rod (5).

4. The CT-guided puncture positioning device according to claim 3, wherein a connecting rod (15) is arranged at the rear end of the friction block (14), the rear end of the connecting rod (15) penetrates through the connecting block (7) and is provided with a lug (16), and a tension spring (17) positioned between the lug (16) and the connecting block (7) is sleeved outside the connecting rod (15).

5. The CT-guided puncture positioning device according to claim 1, wherein the puncture hole (9) is provided with a clip (10) capable of sliding left and right.

6. The CT guided puncture positioning device as claimed in claim 1, wherein the right side of the rectangular block (8) is connected with a rotary rod (18) in a threaded manner, the right end of the rotary rod (18) extends out of the rectangular block (8), and the left end of the rotary rod (18) is rotatably connected with the right end of the clamp (10).