Patella tracking

US11944393B2 · kind B2 · utility

Assignee

• MAKO Surgical Corp. · US

Inventors

• Daniel Perez · Sunrise, US
• Daniel Rudolf Scholl · Andover, US
• Gokce Yildirim · Weehawken, US
• Alvin Perez · Ringwood, US
• Alex McLachlan · Hoboken, US
• Zenan Zhang · Weston, US
• Geoffrey Westrich · New York, US

Key dates

• Filing date: Oct 27, 2022
• Grant date: Apr 2, 2024
• Expiry date: Oct 27, 2042

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2002/4668
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Disclosed herein are a surgical system for patella tracking and a method for selecting a properly-sized patellar implant utilizing the same. The surgical system may include first and second trackers and a patellar tracking system. The first tracker may be configured to contact an unresected or a resected patella, and the second tracker may be configured to contact a bone. The patellar tracking system may be configured to track the first and second trackers during patellar flexion and extension to generate patellar range of motion and patellar trial range of motion. A method for selecting a patellar implant may utilize the first and second trackers and the patellar tracking system.