Connecting assembly for posterior cervical vertebra
A technology for connecting components and a posterior approach is applied in the field of connecting components for the posterior approach of the cervical spine, which can solve the problems of heavy bleeding and large trauma, and achieve the effects of less bleeding, less trauma, and a simple structure.
Pending Publication Date: 2021-12-14
SHANGHAI SANYOU MEDICAL CO LTD
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Problems solved by technology
This open surgery has problems such as excessive trauma and excessive bleeding
In the environment of minimally invasive surgery, it is inconvenient to make the door shaft, so in minimally invasive surgery, both sides of the lamina and the lateral mass need to be incised. The backward translation of the lamina to increase the cross-sectional area of the cervical spine is a problem that those skilled in the art need to solve
Method used
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[0048] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0049] Please refer to attached picture. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At t...
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The invention provides a connecting assembly for the posterior cervical vertebra. The connecting assembly comprises a connecting plate, wherein the connecting plate comprises a middle plate piece, a positioning plate piece and an auxiliary plate piece, the middle plate piece is of an omega-shaped structure with a notch, one end of the middle plate piece is connected with the positioning plate piece, and the other end of the middle plate piece is connected with the auxiliary plate piece; the positioning plate piece is provided with a first side face and a second side face which are oppositely arranged, a mounting hole is formed in the first side face, and the mounting hole penetrates through the second side face; the first side face and the notch of the middle plate piece are located on the same side; and a screw comprises a screw rod and a screw head, the screw rod penetrates through the mounting hole, and the size of the screw head is larger than that of the mounting hole. The connecting assembly for the posterior cervical vertebra can be applied to minimally invasive surgery, and by the adoption of the connecting assembly, the incision of the surgery of the posterior cervical vertebra is small, bleeding is little, trauma to the human body is small, and complications are not likely to be caused; and the middle plate piece is of the omega-shaped structure with the notch, so that the connecting plate has elasticity, and the connecting plate has size adaptability.
Description
technical field [0001] The invention relates to the technical field of medical instruments, in particular to a connection assembly for posterior cervical spine. Background technique [0002] At present, the posterior cervical surgery used to increase the cross-sectional area of the cervical spinal canal is generally an open surgery. In this open surgery, one side of the lamina and one of the lateral masses are cut open, and a titanium plate-like implant is used. The spinal canal was opened for decompression and fusion, and the junction between the other side of the lamina and the other lateral mass was thinned to serve as the portal axis. This open surgery has problems such as excessive trauma and excessive bleeding. In the environment of minimally invasive surgery, it is inconvenient to make the door shaft, so in minimally invasive surgery, both sides of the lamina and the lateral mass need to be incised. It is a problem to be solved by those skilled in the art to trans...
Claims
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Login to View More IPC IPC(8): A61B17/70
CPCA61B17/7062A61B17/7071
Inventor 柳达黄瑛刘幸
Owner SHANGHAI SANYOU MEDICAL CO LTD