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COMBINED-TYPE ARTIFICIAL TEMPOROMANDIBULAR JOINT MADE OF FULL-ORGANIC HIGH-MOLECULAR MATERIALS
专利权人:
JIANSU OKANI MEDICAL TECHNOLOGY CO.; LTD
发明人:
ZHU, Jack,朱健,XU, Longwei,徐龙伟
申请号:
CNCN2015/000729
公开号:
WO2017/004743A1
申请日:
2015.10.28
申请国别(地区):
WO
年份:
2017
代理人:
摘要:
A combined-type artificial temporomandibular joint made of full-organic high-molecular materials comprises a temporal bone supporting and fixing bone fracture plate (1) made of polyetheretherketone (PEEK) or a derivative thereof, a condyloid process head (3) and a fixing bone fracture plate (4) thereof that are made of the PEEK or the derivative thereof, and a temporal bone lining (2) made of ultra-high molecular weight polyethylene (UHMWPE). The temporal bone supporting and fixing bone fracture plate (1) matches the upper part of the temporal bone lining (2), and the lower part of the temporal bone lining (2) is of a concave U-shaped sphere and is connected to the condyloid process head (3) and the fixing bone fracture plate (4) thereof. The condyloid process head (3) has a buffering effect on the sliding surface of the temporal bone lining (2), the temporal bone supporting and fixing bone fracture plate (1) can generate micromotion on the fixed surface of the temporal bone lining (2), and the buffering effect and the micromotion matches with each other. Main parts of all implanted components in the artificial temporomandibular joint are made of high-molecular materials, and accordingly the problems of allergy and toxicity caused by metal and the corrosion of the metal are alleviated. The elasticity modulus of the PEEK matches a natural bone, and accordingly the problem of stress shielding is alleviated. The PEEK has a micromotion effect on the sliding surface and the fixed surface of the UHMWPE in a cooperative manner, and accordingly the wear problem is greatly alleviated and in addition, enhancement and development components are added, and accordingly the practicability is further improved.La présente invention concerne une articulation temporo-mandibulaire artificielle de type combiné réalisée en matériaux de poids moléculaire élevé entièrement organiques comportant une plaque de support dos temporal et de fixation de fracture osseuse (1) en polyétheréthercéto
来源网站:
中国工程科技知识中心
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