Total knee joint mold and methods for gap balancing and joint line restoration
US11344419B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 13, 2021 |
| Grant date | May 31, 2022 |
| Priority date | — |
| Expiry date | Aug 13, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00353
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A femoral component kit includes a piston. The piston includes a notch formed in a bottom surface. The kit includes a femoral component mold having a mold body with a first sidewall, a second sidewall, and a bottom. The sidewalls and bottom define a recess for receiving an antibiotic-impregnated material. The recess includes depressed sections that are spaced apart by an inner section. The outer sections are transverse to a longitudinal axis of the mold. The inner section includes a keel that extends upward and has a height that sets a size of a femoral component produced using the mold. The keel is aligned with the notch when the piston is inserted within the mold. The notch and the keel may include one or more calibration markings that indicate increments of adjustments to the size of the femoral component and resulting flexion and extension gaps and joint space position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.