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Height-adjustable self-locking interbody fusion cage device

An intervertebral fusion device and self-locking technology, applied in the direction of spinal implants, etc., can solve the problems of complicated operation and increased difficulty of surgery, and achieve reliable self-fixation and good immediate stability

Active Publication Date: 2020-06-12
深圳协同创新高科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing adjustable intervertebral fusion devices, the adjustment method is mostly pre-adjusted and then implanted in the body. The operation is more complicated. Although the angle and height adjustment can be realized, it needs to be adjusted in advance and fixed with external screws, which increases the operation time. difficulty

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  • Height-adjustable self-locking interbody fusion cage device
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  • Height-adjustable self-locking interbody fusion cage device

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Embodiment Construction

[0028] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", "end", "side" etc. is based on the Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0029] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connecti...

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Abstract

The invention discloses a height-adjustable self-locking interbody fusion cage device, which includes an elastic mechanism. The elastic mechanism is arranged in a shell; the upper side and the lower side of the elastic mechanism are clamped with an upper fusion plate and a lower fusion plate respectively; a chute is formed in one end of the elastic mechanism; a closing-up plate is arranged in thechute; the closing-up plate controls the depth of being screwed into / out of the shell through a threaded rod; the elastic variable quantity of the elastic mechanism is larger than the variable quantity of the height of the interbody fusion cage device; and the height of the interbody fusion cage is controlled by adjusting the matching depth of the closing-up plate and the elastic mechanism. On thepremise that the vertical height is adjusted at the same time, self-adaption of a certain angle and continuous acting force on the upper end plate and the lower end plate are guaranteed, and self-fixing is reliable.

Description

technical field [0001] The invention belongs to the technical field of artificial prosthesis design, in particular to a height-adjustable self-locking intervertebral fusion device. Background technique [0002] Intervertebral fusion is to remove the diseased intervertebral disc to reduce or completely release the pressure caused by the protrusion, and at the same time, it needs to provide fusion and fixation to maintain the intervertebral height. [0003] In the existing adjustable intervertebral fusion devices, the adjustment method is mostly pre-adjusted and then implanted in the body. The operation is more complicated. Although the angle and height adjustment can be realized, it needs to be adjusted in advance and fixed with external screws, which increases the operation time. difficulty. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a height-adjustable self-locking intervertebral fusion device for the abov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/44
CPCA61F2/4455A61F2/4465
Inventor 王玲张童童董恩纯李涤尘康建峰
Owner 深圳协同创新高科技发展有限公司
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