CN211911767U

CN211911767U - Spinal internal fixation device for orthopedics

Info

Publication number: CN211911767U
Application number: CN202020011412.6U
Authority: CN
Inventors: 赵飞燕; 单锦堂; 房昊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-04
Filing date: 2020-01-04
Publication date: 2020-11-13
Anticipated expiration: 2030-01-04

Abstract

The utility model discloses an orthopedics is with backbone internal fixation device belongs to the medical instrument field, including backbone screw and dead lever, the dead lever is equipped with two, and two dead levers pass through backbone fix with screw on the backbone, still include the connector, and the connector transversely sets up between two dead levers, the both ends of connector respectively with backbone screwed connection, the connector is equipped with a plurality ofly, sets up a plurality of connectors between two dead levers. The utility model discloses an orthopedics is with backbone internal fixation device simple structure facilitates the use and fixes, and the connector that sets up between two dead levers is equipped with a plurality ofly, can carry out the fine setting of position between two backbone screws, is favorable to the recovering in backbone later stage, and the universal joint that sets up between connecting piece one and connecting piece two and the backbone screw can adjusting connection's angle, and the convenience is connected and is fixed the backbone screw.

Description

Spinal internal fixation device for orthopedics

Technical Field

The utility model relates to the field of medical equipment, specifically speaking, the utility model relates to an orthopedics is with backbone internal fixation device.

Background

The spine is the middle shaft skeleton of the human body, is the pillar of the human body, and has the functions of loading, shock absorption, protection, movement and the like. At present, after human backbone warp because of reasons such as fracture, pathological change, the treatment method commonly used is fixed at backbone deformation position installation backbone internal fixation ware through the operation, and help backbone recovery function or delay the state of an illness and worsen, and when using in a large number along with backbone internal fixation ware, it has numerous drawbacks to discover gradually that the backbone internal fixation ware that uses at present has, and the fixing screw position is difficult to adjust among the backbone fixation ware, can not play the effect of recovering after fixed, backbone fixation ware operation is comparatively loaded down with trivial details complicated.

Disclosure of Invention

The utility model aims to solve the technical problem that a spinal internal fixation device is provided, the device can finely tune and fix the position of fixing the spinal screw on the backbone.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides an orthopedics is with backbone internal fixation device, includes backbone screw and dead lever, the dead lever is equipped with two, and two dead levers pass through backbone screw fixation on the backbone, still includes the connector, the connector transversely sets up between two dead levers, the both ends of connector respectively with backbone screw connection, the connector is equipped with a plurality ofly, sets up a plurality of connectors between two dead levers.

Further, the connector comprises a first connecting piece and a second connecting piece, one end of the first connecting piece is connected with a spinal screw, the upper surface of the first connecting piece is provided with a row of tooth grooves, one end of the second connecting piece is connected with the spinal screw, the lower surface of the second connecting piece is provided with a row of tooth grooves, the tooth grooves on the first connecting piece are meshed with the tooth grooves on the second connecting piece, the meshed parts of the first connecting piece and the second connecting piece are provided with fixing clips, the fixing clips are sleeved outside the first connecting piece and the second connecting piece, the middle parts of the tops of the fixing clips are provided with screw holes, screws are screwed in the screw holes, and the screws abut against the upper surfaces of the second.

Furthermore, the first connecting piece is connected with the spinal screw through a joint part, a universal joint is arranged inside the joint part, a fastening screw is arranged at the top of the joint part, the universal joint is connected with the end part of the first connecting piece, and the fastening screw is screwed to abut against the universal joint.

Furthermore, the second connecting piece is connected with the spine screw through a joint part, a universal joint is arranged inside the joint part, a fastening screw is arranged at the top of the joint part, the universal joint is connected with the end part of the first connecting piece, and the fastening screw is screwed to abut against the universal joint.

Further, the outer surface of the universal joint is provided with knurling.

Adopt the technical scheme of the utility model, can obtain following beneficial effect:

the utility model discloses an orthopedics is with backbone internal fixation device simple structure facilitates the use and fixes, and the connector that sets up between two dead levers is equipped with a plurality ofly, can carry out the fine setting of position between two backbone screws, is favorable to the recovering in backbone later stage, and the universal joint that sets up between connecting piece one and connecting piece two and the backbone screw can adjusting connection's angle, and the convenience is connected and is fixed the backbone screw.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

FIG. 1 is a schematic view of the spinal fixation device secured to the spine;

FIG. 2 is a first schematic structural view of the present spinal fixation device;

FIG. 3 is a second schematic structural view of the present spinal fixation device;

the labels in the above figures are: 1. the spine; 2. fixing the rod; 3. a spinal screw; 4. a connector; 41. a first connecting piece; 42. a second connecting piece; 43. fixing the clip; 44. a screw; 45. a bonding section; 46. fastening screws; 47. a universal joint.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, in which the shapes, structures, mutual positions and connection relationships of the respective members, the functions of the respective portions, the operation principles, and the like of the respective members are described.

As shown in fig. 1, 2 and 3, the internal spinal fixation device for orthopedics comprises spinal screws 3 and fixing rods 2, wherein the fixing rods 2 are provided with two parts, the two fixing rods 2 are fixed on the spinal column 1 through the spinal screws 3, the internal spinal fixation device further comprises a connector 4, the connector 4 is transversely arranged between the two fixing rods 2, two ends of the connector 4 are respectively connected with the spinal screws 3, the connector 4 is provided with a plurality of parts, and a plurality of connectors 4 are arranged between the two fixing rods 2.

As shown in fig. 2 and 3, the connector 4 includes a first connecting member 41 and a second connecting member 42, one end of the first connecting member 41 is connected to the spinal screw 3, a row of tooth grooves is formed on the upper surface of the first connecting member 41, one end of the second connecting member 42 is connected to the spinal screw 3, a row of tooth grooves is formed on the lower surface of the second connecting member 42, the tooth grooves on the first connecting member 41 are engaged with the tooth grooves on the second connecting member 42, a fixing clip 43 is arranged at the engaging position of the first connecting member 41 and the second connecting member 42, the fixing clip 43 is sleeved outside the first connecting member 41 and the second connecting member 42, a screw hole is formed in the middle of the top of the fixing clip 43, a screw 44 is screwed into the screw hole, and the screw 44 abuts against the. Connecting piece 41 and backbone screw 3 link together through joint portion 45, joint portion 45 links together with backbone screw 3, the inside universal joint 47 that sets up of joint portion 45, the top of joint portion 45 sets up fastening screw 46, fastening screw 46 supports universal joint 47 after screwing, can fix universal joint 47 like this and prevent universal joint 47 from rotating again, link together through joint portion 45 between connecting piece two 42 and the backbone screw 3, the inside universal joint 47 that sets up of joint portion 45, the top of joint portion 45 sets up fastening screw 46, fastening screw 46 supports universal joint 47 after screwing, universal joint 47 outer surface sets up the knurling, increase the frictional force of fastening screw 46 and universal joint 47 outer surface.

As shown in fig. 1, 2 and 3, when in use, the spine screw 3 is screwed into the spine 1, then the fixing rod 2 is inserted into the spine screw 3, the first connecting piece 41 on the spine screw 3 is meshed with the tooth groove on the second connecting piece 42 and fixed by the fixing clip 43, the screw 44 screwed on the first connecting piece is screwed, and if the distance between the two spine screws 3 needs to be adjusted, the distance between the two spine screws 3 can be adjusted by loosening the screw 44. Because the end parts of the first connecting piece 41 and the second connecting piece 42 are connected with the universal joint 47, the universal joint 47 can rotate, so that the angle between the first connecting piece 41 and the second connecting piece 42 can be finely adjusted, and the fastening screw 46 is screwed after the angle is adjusted.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims

1. The utility model provides an orthopedics is with backbone internal fixation device, includes backbone screw and dead lever, the dead lever is equipped with two, and two dead levers pass through the backbone screw fixation on the backbone, its characterized in that: the connector is transversely arranged between the two fixing rods, two ends of the connector are respectively connected with the spine screws, the connector is provided with a plurality of connectors, and a plurality of connectors are arranged between the two fixing rods.

2. The internal spinal fixation device for orthopedics department according to claim 1, characterized in that: the connector includes connecting piece one and connecting piece two, the one end and the backbone screwed connection of connecting piece one, the upper surface of connecting piece one sets up one row of tooth's socket, the one end and the backbone screwed connection of connecting piece two, the lower surface of connecting piece two sets up one row of tooth's socket, the mutual meshing of tooth's socket on the tooth's socket on connecting piece one and the connecting piece two, the meshing department of connecting piece one and connecting piece two sets up fixing clip, fixing clip overlaps the outside at connecting piece one and connecting piece two, fixing clip top middle part sets up the screw, the screw is advanced in the screw, the screw supports two upper surfaces of connecting piece and links together connecting piece one and connecting piece two.

3. The internal spinal fixation device for orthopedics department according to claim 2, characterized in that: the first connecting piece and the first spinal screw are connected together through a joint part, a universal joint is arranged in the joint part, the universal joint is connected with the end part of the first connecting piece, a fastening screw is arranged at the top of the joint part, and the fastening screw abuts against the universal joint after being screwed tightly.

4. The internal spinal fixation device for orthopedics department according to claim 2, characterized in that: the second connecting piece is connected with the spine screw through a joint part, a universal joint is arranged in the joint part, the universal joint is connected with the end part of the first connecting piece, a fastening screw is arranged at the top of the joint part, and the fastening screw abuts against the universal joint after being screwed tightly.

5. The spinal internal fixation device for orthopedics according to claim 3 or 4, characterized in that: and knurling is arranged on the outer surface of the universal joint.