ACKER, DEAN M.J.,HOAG, STEPHEN H.,WHITLOCK, DANIELLE L.,PAPROSKY, WAYNE G.
申请号：
CA2674288
公开号：
CA2674288C
申请日:
2008.02.08
申请国别(地区):
CA
年份:
2015
代理人:
摘要：
Prosthetic hip stems for use in prosthetic hip joints are designed to achievemore optimizedoutcomes with certain types of patient anatomy, such as the anatomy of femalepatients and/orpatients having osteoporosis. For these optimized outcomes, each hip stem in afamily or set ofhip stems has diaphyseal width, metaphyseal width, offset, and head heightdimensions. In a setof hip stems of increasing nominal size, the diaphyseal width dimensionincreases substantiallynon-proportionally to the corresponding increase of the metaphyseal width,offset, and headheight dimensions, thereby providing a family or set of hip stems that isparticularly adapted forpatients having osteoporosis, in which the cortical bone of the diaphysis ofthe femur becomesthinner with progression of the osteoporosis.
