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Occipital bone plate system

A technology of occipital bone and connecting rod, which is applied in the field of medical devices and can solve the problems of inconvenient implantation and high notch

Pending Publication Date: 2020-08-25
SUZHOU MINIMALLY INVASIVE SPINAL TRAUMA MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an occipital bone plate system to solve the problem of high notch and inconvenient implantation of the occipital bone plate system in the prior art

Method used

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Embodiment Construction

[0054] In order to make the purpose, advantages and features of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the drawings are all in very simplified form and not drawn to scale, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention. In addition, the structures shown in the drawings are often a part of the actual structures. In particular, each drawing needs to display different emphases, and sometimes uses different scales.

[0055] As used in this specification, the singular forms "a", "an" and "the" include plural referents unless the content clearly dictates otherwise. As used in this specification, the term "or" is usually used in the sense of including "and / or", unless the content clearly indicates otherwise, the term "proximal end" is usually the end close to th...

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Abstract

The invention provides an occipital bone plate system. The occipital bone plate system comprises an occipital bone plate, connecting rod assemblies and ball head cups, wherein each connecting rod assembly comprises a first connecting rod; a ball head is arranged at one end of each first connecting rod; each ball head cup has a notch and an accommodating cavity which is arranged in the axial direction of the corresponding ball head cup; each notch is formed in the radial direction of the corresponding ball head cup, and communicates with the corresponding accommodating cavity; each accommodating cavity and the corresponding notch are opened facing the axial end of the corresponding ball head cup; the inner dimension of each accommodating cavity in the radial direction is adapted to the outer diameter of the corresponding ball head; each ball head is detachably arranged in the corresponding accommodating cavity; the width of each notch is not less than the radial outer dimension of the corresponding location of the corresponding first connecting rod; each ball head cup is detachably arranged on the occipital bone plate and can rotate around the axis of the corresponding accommodatingcavity; and each first connecting rod is configured to rotate in the corresponding accommodating cavity through the corresponding ball head, and rotates surrounding the axis of the corresponding accommodating cavity through the corresponding ball head cup. The angle of each first connecting rod relative to the occipital bone plate is adjusted, so that the incisure of the occipital bone plate system can be reduced, the foreign body sensation of a patient after a surgery is reduced, the transplanting is convenient, and the surgery efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to an occipital plate system. Background technique [0002] Please refer to figure 1 , which shows a common occipital plate system currently on the market, which includes an occipital plate 01, a titanium rod 02, and several connectors 03. The connectors 03 include compression nuts and screw seats, and the titanium rods 02 are fixed by compression nuts On the screw seat, thereby fixing the position of the titanium rod 02 relative to the occipital plate 01. This fixing method has relatively high requirements on the matching performance between the compression nut and the screw seat. The compression nut not only needs to fix the axial movement of the titanium rod 02, but also needs to press the titanium rod 02 into the groove of the screw seat. The head end of 02 is placed in the groove as much as possible and locked firmly, and in order to adapt to the physiological cur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/70
CPCA61B17/70
Inventor 朱军磊其他发明人请求不公开姓名
Owner SUZHOU MINIMALLY INVASIVE SPINAL TRAUMA MEDICAL TECH CO LTD
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