CN217886183U

CN217886183U - A operation broken nail remove device for traumatic orthopedics

Info

Publication number: CN217886183U
Application number: CN202220189852.XU
Authority: CN
Inventors: 刘耕砚
Original assignee: Third Xiangya Hospital of Central South University
Current assignee: Third Xiangya Hospital of Central South University
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-11-25
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a disconnected nail remove device of operation for traumatic orthopedics relates to disconnected nail and takes out technical field, including drive mechanism, one side fixedly connected with fixed establishment of drive mechanism, drive mechanism's opposite side cover is equipped with power unit, power unit's inner wall swing joint has the spring, one side and drive mechanism swing joint of spring, drive mechanism include the sleeve pipe, sheathed tube outside cover is equipped with the outer tube, one side fixedly connected with rotatory ring of outer tube, sheathed tube outside and rotatory ring through connection, power unit is including the extrusion piece, the middle part fixedly connected with connecting block of extrusion piece one side, the one end and the sleeve pipe sliding connection of connecting block, the top fixedly connected with slider of connecting block, the outside and the outer tube sliding connection of slider, fixed establishment includes the ring, the equidistant through connection of one side of ring has the pivot. The effects of convenient fixation and fixation release are achieved.

Description

A operation broken nail remove device for traumatic orthopedics

Technical Field

The utility model relates to a broken nail takes out technical field, specifically is a disconnected nail remove device of operation for traumatic orthopedics.

Background

At present, metal screws are common internal fixing devices in internal fixing operations of bone surgery, and the screws ensure more reliable and satisfactory internal fixation of fracture. However, due to the quality of the screw or other reasons, the screw may be broken during clinical use or after surgery, which may affect the performance of the surgery or the success of the surgery. The conventional method is that a hole is drilled on the broken section of the screw, and then the screw is taken out by screwing the conventional broken screw taking-out device in the reverse direction, but the broken screw taking-out device is inclined to the broken section in the screwing process to cause the breakage of a screw path, and the broken screw cannot be taken out by the broken screw taking-out device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disconnected nail remove device of operation for traumatic orthopedics to solve above-mentioned background art and break nail remove device and take place the slope with disconnected cross-section easily in the use, cause the silk road to destroy, can not be with the problem that disconnected nail was taken out.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a surgical broken nail remove device for traumatic orthopedics, includes drive mechanism, one side fixedly connected with fixed establishment of drive mechanism, drive mechanism's opposite side cover is equipped with power unit, power unit's inner wall swing joint has the spring, one side and the drive mechanism swing joint of spring.

Optionally, the transmission mechanism includes a sleeve, an outer tube is sleeved outside the sleeve, a rotating ring is fixedly connected to one side of the outer tube, the outer side of the sleeve is connected with the rotating ring in a penetrating manner, the power mechanism includes an extrusion block, a connecting block is fixedly connected to the middle of one side of the extrusion block, one end of the connecting block is connected with the sleeve in a sliding manner, a slider is fixedly connected to the top of the connecting block, the outer side of the slider is connected with the outer tube in a sliding manner, the fixing mechanism includes a circular ring, a rotating shaft is connected to one side of the circular ring in a penetrating manner at equal intervals, a gear B is sleeved at one end of the rotating shaft, a gear a is sleeved at the other end of the rotating shaft, the outer side of the gear a is meshed with the inner wall of the rotating ring, and a clamping rod is meshed at one side of the gear B.

Optionally, the top and the bottom of the sleeve are both provided with sliding grooves, and the inside of each sliding groove is connected with the connecting block in a sliding manner.

Optionally, a bearing is sleeved on the outer side of one end of the sleeve, and the outer side of the bearing is connected with the rotating ring through interference fit.

Optionally, a slide rail is arranged on one side of the circular ring, and the inside of the slide rail is connected with the clamping rod in a sliding manner.

Optionally, the surface of one side of the circular ring is provided with rotating holes at equal intervals, and the inner part of each rotating hole is connected with the rotating shaft in a penetrating manner.

Optionally, the top and one side of the bottom of the transmission mechanism are both fixedly connected with anti-slip pads, and the two anti-slip pads are parallel to each other.

The utility model discloses a technological effect and advantage:

1. a disconnected nail remove device of operation for wound orthopedics presses the extrusion piece through the manual work and makes the connecting block descend, and the sliding connection through slider and outer tube makes outer tube and rotatory ring corotation when descending, because rotatory ring and gear A meshing drive gear B reversal simultaneously, makes the clamping bar inwards remove to reach convenient fixed effect.

2. A disconnected nail remove device of operation for traumatic orthopedics, elasticity through the spring make the extrusion piece with) outwards remove, the sliding connection through slider and outer tube makes outer tube and rotatory ring reversal simultaneously, because rotatory ring and gear A meshing drive gear B corotation simultaneously, make the clamping bar outwards remove to reach and remove fixed effect.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic side view of the fixing mechanism of the present invention;

fig. 3 is a schematic view of the gear a of the present invention.

In the figure: 1 transmission mechanism, 101 casing pipe, 102 outer pipe, 103 rotating ring, 2 fixing mechanism, 201 circular ring, 202 rotating shaft, 203 gear A, 204 gear B, 205 clamping rod, 3 power mechanism, 301 extrusion block, 302 connecting block, 303 sliding block and 4 spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

The utility model provides a if fig. 1-3 a disconnected nail remove device of operation for traumatic orthopedics, including drive mechanism 1, the skin weld of drive mechanism 1 one side has fixed establishment 2, and drive mechanism 1's opposite side cover is equipped with power unit 3, and power unit 3 can rotate and also can control the removal, and power unit 3's inner wall swing joint has spring 4, can make power unit 3 automatic re-setting through spring 4's elasticity, one side and drive mechanism 1 swing joint of spring 4.

Drive mechanism 1 includes sleeve pipe 101, sleeve pipe 101 is the drum shape, and the spout has all been seted up to top and bottom, sleeve pipe 101's outside cover is equipped with outer tube 102, the curve shape spout has been seted up to outer tube 102's inner wall self, the skin weld of outer tube 102 one side has rotatory ring 103, and the inner wall fixedly connected with tooth of rotatory ring 103 self, can drive rotatory ring 103 rotatory when outer tube 102 is rotatory, bearing and rotatory ring 103 through connection are passed through to the outside of sleeve pipe 101 one end.

Power unit 3 includes extrusion piece 301, and the middle part welding of the inside one side of extrusion piece 301 has connecting block 302, and the outside of connecting block 302 and the spout sliding connection of sleeve 101 top and bottom, the top fixedly connected with slider 303 of connecting block 302, slider 303 are the ball shape, the outside of slider 303 and the inside curve spout sliding connection of outer tube 102, just can make outer tube 102 have the rotation effect when the curve spout of outer tube 102 self receives the extrusion of slider 303.

Fixing mechanism 2 includes ring 201, the surface of ring 201 one side has four pivot 202 through the equidistant through connection of bearing, the both ends difference fixedly connected with gear B204 and gear A203 of pivot 202, tooth and gear A203 through rotatory ring 103 inner wall mesh mutually, can drive gear A203 rotatory when rotatory ring 103 is rotatory, one side meshing of gear B204 has the inside one side fixedly connected with tooth of clamping bar 205, can drive clamping bar 205 and remove when gear B204 is rotatory.

Firstly, the central point of the ring 201 is aligned with the broken nail, the pressing block 301 is manually pressed to enable the connecting block 302 to descend, the outer pipe 102 and the rotating ring 103 rotate forwards through the sliding connection of the sliding block 303 and the outer pipe 102 while descending, the rotating ring 103 is meshed with the gear A203 and simultaneously drives the gear B204 to rotate backwards, and the clamping rod 205 moves inwards, so that the fixing convenience effect is achieved, the

pressing blocks

301 and 302 move outwards through the elastic force of the spring 4, the outer pipe 102 and the rotating ring 103 rotate backwards through the sliding connection of the sliding block 303 and the outer pipe 102, the rotating ring 103 is meshed with the gear A203 and simultaneously drives the gear B204 to rotate forwards, so that the clamping rod 205 moves outwards, and the fixing releasing effect is achieved.

Claims

1. The utility model provides a surgical broken nail remove device for traumatic orthopedics, includes drive mechanism (1), its characterized in that: one side of the transmission mechanism (1) is fixedly connected with a fixing mechanism (2), the other side of the transmission mechanism (1) is sleeved with a power mechanism (3), the inner wall of the power mechanism (3) is movably connected with a spring (4), and one side of the spring (4) is movably connected with the transmission mechanism (1).

2. A surgical staple remover for trauma orthopedics, according to claim 1, characterized by: the transmission mechanism (1) comprises a sleeve (101), an outer pipe (102) is sleeved on the outer side of the sleeve (101), a rotating ring (103) is fixedly connected to one side of the outer pipe (102), the outer side of the sleeve (101) is in penetrating connection with the rotating ring (103), the power mechanism (3) comprises an extrusion block (301), a connecting block (302) is fixedly connected to the middle of one side of the extrusion block (301), one end of the connecting block (302) is in sliding connection with the sleeve (101), a sliding block (303) is fixedly connected to the top of the connecting block (302), the outer side of the sliding block (303) is in sliding connection with the outer pipe (102), the fixing mechanism (2) comprises a circular ring (201), a rotating shaft (202) is in penetrating connection with one side of the circular ring (201) at equal intervals, a gear B (204) is sleeved at one end of the rotating shaft (202), a gear A (203) is sleeved at the other end of the rotating shaft (202), the outer side of the gear A (203) is meshed with the inner wall of the rotating ring (103), and a clamping rod (205) is meshed at one side of the gear B (204).

3. A surgical staple extraction device for use in trauma orthopaedics, according to claim 2, characterised in that: the top and the bottom of sleeve pipe (101) have all been seted up the spout, the inside and connecting block (302) sliding connection of spout.

4. A surgical staple extraction device for use in trauma orthopaedics, according to claim 2, characterised in that: the bearing is sleeved on the outer side of one end of the sleeve (101), and the outer side of the bearing is connected with the rotating ring (103) through interference fit.

5. A surgical staple extraction device for use in trauma orthopaedics, according to claim 2, characterised in that: a sliding rail is arranged on one side of the circular ring (201), and the interior of the sliding rail is connected with the clamping rod (205) in a sliding mode.

6. A surgical staple remover for trauma orthopedics, according to claim 2, characterized by: the surface of one side of the circular ring (201) is provided with rotating holes at equal intervals, and the inner parts of the rotating holes are in through connection with the rotating shaft (202).

7. A surgical staple extraction device for use in trauma orthopaedics, according to claim 1, characterised in that: and the top and one side of the bottom of the transmission mechanism (1) are fixedly connected with non-slip pads, and the two non-slip pads are parallel to each other.