System and method for prosthetic fitting and balancing in joints
US7575602B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2003 |
| Grant date | Aug 18, 2009 |
| Priority date | — |
| Expiry date | Jan 29, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00029
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system and method for prosthesis fitting in joints comprising an artificial condyle and a spacer which cooperates with the condyle to form an artificial joint. The spacer embedded with at least one sensor which is responsive to a force generated between the condyle and the spacer. The artificial joint is adapted to move between a flexed position and an extended position defining a range of motion. The sensor is responsive to the force and generates an output representative of that force. The output is transmitted, either wirelessly or other, to a processor which utilizes an analysis program to display a representation of the forces applied. A practitioner utilizing the displayed analysis may intraoperatively determine the adjustments and balancing required within the artificial joint. The system may also utilize a ligament tension sensor which generates data representative of tension on a ligament of the artificial joint, and a joint angle sensor responsive to the range of motion of the artificial joint. The processor may be adapted to store the outputted sensor data to provide the practitioner with statistically relevant historical data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.