Preoperative planning program and operation support jig for hip replacement arthroplasty
US8861818B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2012 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Jun 8, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/4633
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
According to one embodiment, a preoperative planning method performed by a computer for hip replacement arthroplasty, includes a base jig setting step of setting a three-dimensional image of a base jig having three or more columnar supports which abut on three or more reference points of the pelvis with respect to the three-dimensional image of the pelvis obtained at the image reconstruction step, and a parameter acquisition step of parameterizing and acquiring a direction of an indicator which runs through a predetermined position on the base jig in the three-dimensional image of the base jig set at the base jig setting step and becomes parallel to the installation direction of the joint prostheses determined at the joint prostheses determination step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.