System and method for assessing, measuring, and correcting an anterior-posterior bone cut
First Claim
1. A method of measuring anterior-posterior slope or tilt in support of a bone cut comprising the steps of:
- placing a first bone and a second bone in a predetermined position;
coupling a first bone cutting jig to the first bone;
coupling a prosthetic component to the first bone cutting jig wherein the prosthetic component houses a position measurement system configured to measure position, tilt, or rotation, wherein the prosthetic component houses at least one sensor configured to measure a parameter, and wherein the prosthetic component is not installed in the musculoskeletal system when coupled to the first bone cutting jig;
measuring the anterior-posterior (A-P) slope of a bone cut of the first bone with the position measurement system in the prosthetic component;
preparing the bone surface of the first bone haying the A-P slope measured by the position measurement system in the prosthetic component;
subsequently installing the prosthetic component in the musculoskeletal system; and
measuring the parameter with the at least one sensor.
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Accused Products
Abstract
A system and method is disclosed herein for measuring anterior-posterior slope of a bone to set a cutting jig coupled to the muscular-skeletal system. The system comprises a sensored module that can be placed within a prosthetic component to measure anterior-posterior slope. The system further includes a remote system for receiving, processing, and displaying quantitative measurements from the sensors. A first bone and a second bone are placed in extension. A sensored module is referenced to a bone landmark of the first bone. The sensored module includes a three-axis accelerometer that is configured to measure position, tilt, and rotation. A bone cutting jig is coupled to the first bone. The sensored insert is coupled to the bone cutting jig. The accelerometer in the sensored insert is used to measure the anterior-posterior slope. The bone cutting jig is then adjusted to a predetermined anterior-posterior slope as measured by the sensored insert.
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Citations
13 Claims
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1. A method of measuring anterior-posterior slope or tilt in support of a bone cut comprising the steps of:
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placing a first bone and a second bone in a predetermined position; coupling a first bone cutting jig to the first bone; coupling a prosthetic component to the first bone cutting jig wherein the prosthetic component houses a position measurement system configured to measure position, tilt, or rotation, wherein the prosthetic component houses at least one sensor configured to measure a parameter, and wherein the prosthetic component is not installed in the musculoskeletal system when coupled to the first bone cutting jig; measuring the anterior-posterior (A-P) slope of a bone cut of the first bone with the position measurement system in the prosthetic component; preparing the bone surface of the first bone haying the A-P slope measured by the position measurement system in the prosthetic component; subsequently installing the prosthetic component in the musculoskeletal system; and measuring the parameter with the at least one sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification