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SYSTEM AND METHOD FOR PRECISE PROSTHESIS POSITIONING IN HIP ARTHROPLASTY
专利权人:
ArthroCAD; Inc.
发明人:
Mehran S. Aghazadeh
申请号:
US14346632
公开号:
US20140330281A1
申请日:
2012.09.28
申请国别(地区):
US
年份:
2014
代理人:
摘要:
Provided are systems and methods for precise intra-operative placement and positioning of components of hip prostheses, particularly with respect to avoiding acetabular prosthetic implant malpositioning in the human hip. In one embodiment the system includes at least a pair of electronic sensors as tilt and direction sensors, which are positioned on the patient's native bone structure and the prosthesis, plus at least one of an electronic angle sensor and an electronic leg length measurement unit, plus a computer processor running application software that is capable of receiving and using information from the various electronic sensors to calculate relevant angular relationships and, optionally, distance relationships. The system electronically measures a living subject's pelvic tilt and position while lying in the lateral decubitus position during the surgery. The systems and methods provide accurate and precise measurements of the subject's pelvic tilt, angle of inclination, and angle of forward flexion to the surgeon during the procedure by which the hip prosthesis is surgically implanted into the subject.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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