发明名称 |
Customized patient-specific acetabular orthopaedic surgical instrument and method of use and fabrication |
摘要 |
A customized patient-specific acetabular orthopaedic surgical instrument is disclosed. A method for fabricating and using the orthopaedic surgical instrument us also disclosed. |
申请公布号 |
US8808302(B2) |
申请公布日期 |
2014.08.19 |
申请号 |
US201012855363 |
申请日期 |
2010.08.12 |
申请人 |
DePuy Synthes Products, LLC |
发明人 |
Roose Jeffrey R.;Sherman Jason T.;Rose Bryan;Metzinger Anthony |
分类号 |
A61B17/56 |
主分类号 |
A61B17/56 |
代理机构 |
Barnes & Thornburg LLP |
代理人 |
Barnes & Thornburg LLP |
主权项 |
1. A customized patient-specific orthopaedic instrument for facilitating implantation of an acetabular cup prosthesis in a coxal bone of a patient, the customized patient-specific orthopaedic instrument comprising:
a customized patient-specific acetabular reaming guide comprising (i) a ring-shaped body having an inner surface defining a cylindrical passageway, (ii) a plurality of arms extending from the ring-shaped body, and (iii) a guide housing configured to be secured to the ring-shaped body, the guide housing having a second inner surface defining a longitudinal passageway sized to receive an acetabular reamer surgical tool, wherein (i) each of the ring-shaped body and the plurality of arms includes a bone-facing surface having a customized patient-specific negative contour configured to receive a corresponding positive contour of the patient's coxal bone, and (ii) the cylindrical passageway defines a longitudinal axis that is oriented relative to the bone-facing surface of the ring-shaped body based on a predetermined version angle and a predetermined inclination angle of the acetabular cup prosthesis when implanted in the patient's coxal bone. |
地址 |
Raynham MA US |