Apparatus and methods for making intraoperative orthopedic measurements
First Claim
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1. A method for making orthopedic measurements during an orthopedic medical procedure, the method comprising:
- attaching a plurality of telemetry devices to a patient'"'"'s body;
prior to a first portion of the orthopedic medical procedure, while moving the patient'"'"'s body through a first range of motion, tracking movement of the plurality of telemetry devices relative to each other, and calculating the position of at least one anatomical feature of the patient'"'"'s body relative to the plurality of telemetry devices based on the movement of the plurality of telemetry devices;
after the first portion of the orthopedic medical procedure, while moving the patient'"'"'s body through a second range of motion, tracking movement of the plurality of telemetry devices relative to each other, and calculating the position of the at least one anatomical feature relative to the plurality of telemetry devices based on the movement of the plurality of telemetry devices; and
determining a differential measurement in connection with the first portion of the orthopedic medical procedure, wherein the differential measurement is based at least in part on the calculated position of the at least one anatomical feature before the first portion of the orthopedic medical procedure and on the calculated position of the at least one anatomical feature after the first portion of the orthopedic medical procedure.
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Abstract
Apparatus and methods for making intraoperative orthopedic measurements are provided. Using telemetry devices attached to a patient, relative measurements of the positions and orientations of the patient'"'"'s bones may be determined. Using the relative measurements of the positions and orientations of the patient'"'"'s bones, a differential measurement may be determined in connection with the orthopedic medical procedure.
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Citations
64 Claims
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1. A method for making orthopedic measurements during an orthopedic medical procedure, the method comprising:
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attaching a plurality of telemetry devices to a patient'"'"'s body; prior to a first portion of the orthopedic medical procedure, while moving the patient'"'"'s body through a first range of motion, tracking movement of the plurality of telemetry devices relative to each other, and calculating the position of at least one anatomical feature of the patient'"'"'s body relative to the plurality of telemetry devices based on the movement of the plurality of telemetry devices; after the first portion of the orthopedic medical procedure, while moving the patient'"'"'s body through a second range of motion, tracking movement of the plurality of telemetry devices relative to each other, and calculating the position of the at least one anatomical feature relative to the plurality of telemetry devices based on the movement of the plurality of telemetry devices; and determining a differential measurement in connection with the first portion of the orthopedic medical procedure, wherein the differential measurement is based at least in part on the calculated position of the at least one anatomical feature before the first portion of the orthopedic medical procedure and on the calculated position of the at least one anatomical feature after the first portion of the orthopedic medical procedure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An apparatus for making orthopedic measurements during an orthopedic medical procedure, the apparatus comprising:
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a plurality of telemetry devices attached to a patient'"'"'s body; and a processing device coupled to each telemetry device of the plurality of telemetry devices via a respective communication link, the processing device comprising; a storage device; and a processor connected to the storage device, the storage device storing a processing device program for controlling the processor, wherein the processor is operative with the processing device program to; track movement of the plurality of telemetry devices relative to each other when the patient'"'"'s body is moved through a first range of motion prior to a first portion of the orthopedic medical procedure; calculate the position of at least one anatomical feature of the patient'"'"'s body relative to the plurality of telemetry devices based upon the movement of the plurality of telemetry devices prior to the first portion of the orthopedic medical procedure; track movement of the plurality of telemetry devices relative to each other when the patient'"'"'s body is moved through a second range of motion after the first portion of the orthopedic medical procedure; calculate the position of the at least one anatomical feature of the patient'"'"'s body relative to the plurality of telemetry devices based upon the movement of the plurality of telemetry devices after the first portion of the orthopedic medical procedure; and determine a differential measurement in connection with the first portion of the orthopedic medical procedure, wherein the differential measurement is based at least in part on the calculated position of the at least one anatomical feature before the first portion of the orthopedic medical procedure and on the calculated position of the at least one anatomical feature after the first portion of the orthopedic medical procedure. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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54. An apparatus for attachment of a telemetry device to a bone of a patient in an orthopedic medical procedure, the apparatus comprising:
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a U-shaped piece having a front face and a back face; a bone screw; and an anti-rotation pin, wherein the U-shaped piece has a hole extending therethrough from the front face to the back face for receiving the bone screw, and wherein the anti-rotation pin extends from the back face of the U-shaped piece. - View Dependent Claims (55, 56, 57, 58, 59, 60)
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61. An apparatus for attachment of a telemetry device to a bone of a patient in an orthopedic medical procedure, the apparatus comprising:
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a U-shaped channel for receiving the telemetry device having two side portions and a base portion; and a plurality of pins, wherein the base portion of the U-shaped channel has a plurality of holes to receive the plurality of pins, and wherein each pin of the plurality of pins has a sharpened end portion for insertion into the bone. - View Dependent Claims (62, 63, 64)
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Specification