CN217566265U

CN217566265U - Centrum shaping puncture needle fixer

Info

Publication number: CN217566265U
Application number: CN202220395568.8U
Authority: CN
Inventors: 夏国仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-10-14
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a centrum shaping puncture needle fixer, in particular to the technical field of medical appliances, which comprises an outer frame, wherein a positioning component is arranged in the outer frame, an adjusting component is fixedly sleeved at the bottom of the outer wall of the outer frame, and the outer wall of the adjusting component is fixedly connected with a belt frame; the locating component includes fixed outer tube and fixed inner tube, the outer wall fixedly connected with of fixed inner tube is a plurality of T type cassette that the annular array distributes, the draw-in groove that uses with T type cassette interference fit is seted up to the inner wall of fixed outer tube, the outer wall fixed mounting of fixed outer tube has the rotary column that is the symmetric distribution, the utility model discloses, through setting up locating component, the pjncture needle passes fixed inner tube and fixes a position the puncture, promotes puncture stability, and can adjust the vertical angle of pjncture needle location puncture to and change the fixed inner tube of different internal diameters size, fix a position the puncture to the big or small pjncture needle of different external diameters, thereby promote the flexibility and the result of use of whole fixer.

Description

Centrum shaping puncture needle fixer

Technical Field

The utility model relates to the technical field of medical apparatus, in particular to a centrum forming puncture needle fixer.

Background

The vertebroplasty is totally called percutaneous puncture vertebroplasty, belongs to minimally invasive surgery, and is a technology for strengthening a vertebral body by injecting bone cement or artificial bone into a diseased vertebral body, so that the aims of stabilizing fracture, recovering mechanical strength of the vertebral body and relieving pain can be fulfilled;

the puncture needle needs puncture to pedicle of vertebral arch department from patient chest back body surface department most often to the pjncture needle in the vertebroplasty operation process, at the in-process from the body surface puncture, because the patient that the vertebroplasty is mostly old patient, the muscle of most patient's chest back is not abundant, leads to the pjncture needle to be difficult to the stable positioning at the in-process of puncture, has increased the operation degree of difficulty and required time, for this, we propose a vertebroplasty puncture needle fixer and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertebroplasty puncture needle holder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vertebroplasty puncture needle fixator comprises an outer frame, wherein a positioning assembly is arranged in the outer frame, an adjusting assembly is fixedly sleeved at the bottom of the outer wall of the outer frame, and a belt frame is fixedly connected to the outer wall of the adjusting assembly;

the locating component comprises a fixed outer pipe and a fixed inner pipe, the outer wall of the fixed inner pipe is fixedly connected with a plurality of T-shaped clamping seats distributed in an annular array mode, the inner wall of the fixed outer pipe is provided with clamping grooves used in interference fit with the T-shaped clamping seats, the outer wall of the fixed outer pipe is fixedly provided with rotating columns distributed symmetrically, the rotating columns are rotatably connected to the inner sides of the outer frames, one side of the top end of each outer frame, close to the corresponding rotating column, is provided with a fixing screw, the outer wall of each rotating column is provided with a fixing groove used in cooperation with the corresponding fixing screw, the fixing grooves are provided with a plurality of fixing grooves distributed uniformly, and the bottom of each fixing screw is in one of the fixing grooves in a threaded manner.

As an optimal technical scheme of the utility model, the inner wall of fixed inner tube rotates the card and is equipped with the ball, the ball is equipped with and is a plurality of that the annular array distributes.

As a preferred technical scheme of the utility model, the frame is the tubular structure of upper and lower break-over, the bottom fixed mounting of frame has the protection to fill up.

As a preferred technical scheme of the utility model, two recesses that are the symmetric distribution are seted up at the top of frame, two recess and two rotary columns are vertical distribution structure.

As a preferred technical scheme of the utility model, the adjusting part includes interior ring frame and outer ring frame, interior ring frame fixed mounting is in the outer wall bottom of frame, the inner wall middle part fixedly connected with snap ring of outer ring frame, the outer wall middle part of interior ring frame has been seted up and has been used the annular with the snap ring cooperation, the activity of outer ring frame is cup jointed in the outside of interior ring frame, snap ring activity joint is in the annular, the outer wall integrated into one piece of outer ring frame has the card protruding, one side screw thread that the outer ring frame was kept away from to the card protruding is inserted and is equipped with fixing bolt, the adjustment tank that corresponds with fixing bolt is seted up to the inner wall of annular, the adjustment tank is equipped with and is a plurality ofly that the ring array distributes, fixing bolt screw thread joint is in one of them adjustment tank.

As a preferred technical scheme of the utility model, the area frame is equipped with two that are the symmetric distribution, area frame fixed mounting is at the outer wall of outer ring frame.

As an optimized technical scheme of the utility model, one side fixed mounting that the interior ring frame was kept away from to the band frame has the fixed band that mutually supports and use.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. by arranging the positioning assembly, the puncture needle penetrates through the fixed inner tube to perform positioning puncture, so that the puncture stability is improved, the longitudinal angle of the positioning puncture of the puncture needle can be adjusted, the fixed inner tubes with different inner diameters are replaced, and the puncture needles with different outer diameters are positioned and punctured, so that the flexibility and the use effect of the whole fixator are improved;

2. through setting up adjusting part, adjust the horizontal angle of pjncture needle location puncture in a flexible way, further promote the flexibility and the result of use of whole fixer.

Drawings

FIG. 1 is a schematic structural view of the present invention,

FIG. 2 is a schematic view of the structural connection between the outer frame and the positioning assembly of the present invention,

fig. 3 is a schematic view of the structural connection of the adjusting assembly of the present invention.

In the figure: 1. an outer frame; 2. a positioning assembly; 3. an adjustment assembly; 4. a belt frame; 5. fixing belts; 6. a protective pad; 101. a groove; 21. fixing the outer tube; 211. a card slot; 22. turning the column; 221. a fixing groove; 23. Fixing the inner pipe; 24. a T-shaped card holder; 25. fixing the screw rod; 26. a ball bearing; 31. an inner ring frame; 311. a ring groove; 312. an adjustment groove; 32. an outer ring frame; 321. a snap ring; 33. clamping and protruding; 34. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a puncture needle fixer for vertebroplasty, which comprises an outer frame 1, wherein the outer frame 1 is a tubular structure which is penetrated from top to bottom, a protective pad 6 is fixedly arranged at the bottom end of the outer frame 1, and when in use, the protective pad 6 is contacted with the skin of a patient, thereby improving the comfortable effect of use; a positioning component 2 is arranged in the outer frame 1, an adjusting component 3 is fixedly sleeved at the bottom of the outer wall of the outer frame 1, and a belt frame 4 is fixedly connected to the outer wall of the adjusting component 3;

locating component 2 includes fixed outer tube 21 and fixed inner tube 23, the outer wall fixedly connected with of fixed inner tube 23 is a plurality of T type cassette 24 that the annular array distributes, draw-in groove 211 that uses with T type cassette 24 interference fit is seted up to the inner wall of fixed outer tube 21, T type cassette 24 and draw-in groove 211 that use through setting up interference fit, conveniently fix inner tube 23, dismantlement change between the fixed outer tube 21, thereby conveniently change the fixed inner tube 23 of different internal diameter size, so as to the location puncture to different external diameter size pjncture needles, the result of use of whole fixer has effectively been promoted, the outer wall fixed mounting of fixed outer tube 21 has the rotary column 22 that is symmetric distribution, rotary column 22 rotates the inboard of joint at frame 1, fixed outer tube 21, fixed inner tube 23 can realize rotating in frame 1, thereby adjust the longitudinal angle of pjncture needle location puncture, one side screw thread clamp that frame 1 top is close to rotary column 22 is equipped with fixing screw 25, the outer wall of rotary column 22 has been seted up with fixing screw 25 cooperation use fixed slot 221, fixed slot 221 is equipped with a plurality of being evenly distributed, fixing screw 25 bottom screw is in one of fixed inner tube 25 screw, carry out fixed inner tube 23 angle rotation.

The inner wall of the fixed inner tube 23 is rotatably clamped with a plurality of balls 26, the balls 26 are distributed in an annular array, and by arranging the balls 26, when the puncture needle is used, the puncture needle penetrates through the fixed inner tube 23 to perform positioning puncture, and the outer wall of the puncture needle is contacted with the balls 26 so as to facilitate puncture of the puncture needle.

Two grooves 101 are symmetrically arranged at the top of the outer frame 1, the two grooves 101 and the two rotary columns 22 are in a vertical distribution structure, when the longitudinal angle of the positioning puncture is adjusted, the puncture needle may be obliquely arranged in the grooves 101, so that the positioning puncture of the puncture needle is not affected.

Adjusting part 3 includes interior ring frame 31 and outer ring frame 32, interior ring frame 31 fixed mounting is in the outer wall bottom of frame 1, the inner wall middle part fixedly connected with snap ring 321 of outer ring frame 32, the outer wall middle part of interior ring frame 31 has been seted up and has been used annular 311 with the snap ring 321 cooperation, outer ring frame 32 activity cup joints the outside at interior ring frame 31, snap ring 321 activity joint is in annular 311, interior ring frame 31 can realize stabilizing the rotation in outer ring frame 32, thereby adjust the horizontal angle of pjncture needle location puncture, the outer wall integrated into one piece of outer ring frame 32 has card arch 33, one side screw thread that outer ring frame 32 was kept away from to card arch 33 is inserted and is equipped with fixing bolt 34, the adjustment tank 312 that corresponds with fixing bolt 34 is seted up to the inner wall of annular 311, adjustment tank 312 is equipped with and is a plurality ofly that the annular array distributes, fixing bolt 34 screw thread joint is in one of them adjustment tank 312, carry out the fixed after interior ring frame 31 rotates.

The two belt frames 4 are symmetrically distributed, and the belt frames 4 are fixedly arranged on the outer wall of the outer ring frame 32; one side of the belt frame 4 far away from the inner ring frame 31 is fixedly provided with a fixing belt 5 which is mutually matched for use, the whole fixator can be fixed on the body of a patient by using the fixing belt 5, and the disassembly of the fixator is convenient.

The working principle is as follows: when the puncture needle is used, the fixing inner tube 23 with the proper inner diameter is selected to be arranged in the fixing outer tube 21, then the positioning assembly 2 corresponds to the puncture position of a patient, then the fixing device is fixed on the body of the patient by using the fixing bands 5 at two sides, the protective pad 6 is contacted with the skin of the patient, and then the longitudinal angle and the transverse angle of the positioning puncture of the puncture needle are adjusted according to the angle requirement of the puncture position;

the fixing bolts 34 are screwed to be separated from the corresponding adjusting grooves 312, then the positioning assembly 2 is rotated, the inner ring frame 31 is stably rotated in the outer ring frame 32, the transverse angle of the positioning puncture of the puncture needle is adjusted, and the inner ring frame 31 is fixed after being rotated by being clamped in the corresponding adjusting grooves 312 through the threads of the fixing bolts 34;

then, the fixing screw 25 is screwed to separate from the corresponding fixing groove 221, the fixing outer tube 21 and the fixing inner tube 23 are rotated, the longitudinal angle of the positioning puncture of the puncture needle is adjusted, and the fixing screw 25 is screwed to be clamped in the corresponding fixing groove 221 in a threaded manner to fix the fixing inner tube 23 after the angle rotation;

subsequently, the puncture needle is positioned for puncture through the fixed inner tube 23, and the outer wall of the puncture needle is contacted with the ball 26 to facilitate puncture of the puncture needle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vertebroplasty puncture needle holder, which comprises an outer frame (1), and is characterized in that: a positioning assembly (2) is arranged in the outer frame (1), an adjusting assembly (3) is fixedly sleeved at the bottom of the outer wall of the outer frame (1), and a belt frame (4) is fixedly connected to the outer wall of the adjusting assembly (3);

locating component (2) are including fixed outer tube (21) and fixed inner tube (23), the outer wall fixedly connected with of fixed inner tube (23) is a plurality of T type cassette (24) that the annular array distributes, draw-in groove (211) that use with T type cassette (24) interference fit are seted up to the inner wall of fixed outer tube (21), the outer wall fixed mounting of fixed outer tube (21) has rotary column (22) that is the symmetric distribution, rotary column (22) rotate the inboard of joint at frame (1), one side screw thread card that frame (1) top is close to rotary column (22) is equipped with clamping screw (25), fixed slot (221) that use with clamping screw (25) cooperation are seted up to the outer wall of rotary column (22), fixed slot (221) are equipped with a plurality ofly that are evenly distributed, clamping screw (25) bottom screw thread joint is in one of them fixed slot (221).

2. The vertebroplasty needle holder of claim 1, wherein: the inner wall of the fixed inner tube (23) is rotationally clamped with balls (26), and the balls (26) are distributed in an annular array.

3. The vertebroplasty needle holder of claim 1, wherein: the outer frame (1) is of a tubular structure which is vertically penetrated, and a protective pad (6) is fixedly arranged at the bottom end of the outer frame (1).

4. The vertebroplasty needle holder of claim 1, wherein: two grooves (101) which are symmetrically distributed are formed in the top of the outer frame (1), and the two grooves (101) and the two rotating columns (22) are in a vertical distribution structure.

5. The vertebroplasty needle holder of claim 1, wherein: adjusting part (3) are including interior ring frame (31) and outer ring frame (32), outer wall bottom at frame (1) is fixed mounting to interior ring frame (31), the inner wall middle part fixedly connected with snap ring (321) of outer ring frame (32), the outer wall middle part of interior ring frame (31) has been seted up and snap ring (321) cooperation use annular (311), the outside at interior ring frame (31) is cup jointed in outer ring frame (32) activity, snap ring (321) activity joint is in annular (311), the outer wall integrated into one piece of outer ring frame (32) has card protruding (33), one side screw thread that outer ring frame (32) were kept away from in card protruding (33) is inserted and is equipped with fixing bolt (34), adjusting groove (312) that correspond with fixing bolt (34) are seted up to the inner wall of annular (311), adjusting groove (312) are equipped with and are a plurality of ring array distribution, fixing bolt (34) screw thread joint is in one of them adjusting groove (312).

6. The vertebroplasty needle holder of claim 5, wherein: the two belt frames (4) are symmetrically distributed, and the belt frames (4) are fixedly arranged on the outer wall of the outer ring frame (32).

7. The vertebroplasty needle holder of claim 6, wherein: one side of the belt frame (4) far away from the inner ring frame (31) is fixedly provided with a fixing belt (5) which is matched with each other for use.