Intervertebral movable indwelling device and its integrated implanting apparatus and method

A retaining device, an integrated technology, applied in the medical field, can solve the problems of implantation, increased operation difficulty, and too small size of the gripping part, and achieves the effect of avoiding a large operation window, increasing operation difficulty, and prolonging operation time.

Active Publication Date: 2018-12-11
RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The present invention aims to solve the following problems in the traditional intervertebral motion preservation device implantation device and implantation method: ①The opening distance of the clamping port of the implantation device exceeds the product size range due to the different design of the clamping principle of the traditional intervertebral motion preservation device , which further lead to problems such as a larger surgical operation window, increased surgical difficulty,

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  • Intervertebral movable indwelling device and its integrated implanting apparatus and method
  • Intervertebral movable indwelling device and its integrated implanting apparatus and method
  • Intervertebral movable indwelling device and its integrated implanting apparatus and method

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Embodiment Construction

[0042] The present invention will be described in further detail below in conjunction with accompanying drawing:

[0043] see figure 1 , 4 , 7, an intervertebral motion preservation device I and the corresponding integrated implant device II. The intervertebral motion preservation device I is composed of an upper bone plate 1, a lining 2, a nucleus pulposus 3 and a lower bone plate 4, the inner lining 2 is nested in the upper bone plate 1, and the nucleus pulposus 3 is nested in the lower bone plate 4 , the inner liner 2 and the nucleus pulposus 3 form a clearance-fit spherical friction pair; the integrated implant instrument II is composed of a clamping rod 5, a gripping rod 6, and a knob 7, and the tail of the gripping rod 6 is conically connected The head 65 is inserted into the rotating cavity 72 at the end of the knob 7, and the two can rotate freely. The clamping rod 5 passes through the inner cavity of the gripping rod 6 and is screwed together with the inside of the ...

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Abstract

The invention relates to the technical field of medicines, in particular to an intervertebral movable indwelling device and its integrated implanting apparatus and method. The intervertebral movable indwelling device comprises an upper bone plate, a liner, a vertebral core and a lower bone plate, wherein the liner is embedded in the upper bone plate, the vertebral core is inserted in the lower bone plate, and the liner and the vertebral core form a spherical friction pair in clearance fit. The integrated implanting apparatus comprises a clamp rod, a grip and a knob, wherein a taper joint at the tail of the grip is inserted in a rotary cavity at the end of the knob so that the grip and the knob can rotate freely, and the clamp rod penetrates the inner cavity of the grip and then is connected with internal thread of the knob. By the intervertebral movable indwelling device and its integrated implanting apparatus and method, doctors can complete multi-directional surgical operation without surgical reproduction instruments, and relative motion between the product and the implanting apparatus due to operations such as shifting and adjusting in different directions can be avoided.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to an intervertebral motion preservation device, an integrated implantation instrument and an implantation method thereof. Background technique [0002] Intervertebral motion preservation devices currently have Bryan, Prestige product series, ProDisc C, Mobi-C, PCM, SRCURE-C and other products that have been approved by the FDA and are widely used around the world. implanted device products, but there is still room for improvement in some special implanted device products. At present, there is no intervertebral motion-preserving device approved by CFDA in China. Most of the domestic intervertebral motion-preserving devices are in the patent stage, and few of these patented products have targeted design of special implantation devices. [0003] Some clamping instruments adopt the quick-opening clamping method based on the principle of surgical forceps. This type of clamping instrum...

Claims

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Application Information

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IPC IPC(8): A61F2/44A61F2/46
CPCA61F2/30767A61F2/44A61F2/4611A61F2002/30518A61F2002/4615A61F2002/4625A61F2002/4631
Inventor 刘伟强祝佳廖振华王松徐林俞兴穆晓红
Owner RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN
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