Shoulder arthroplasty trial device
First Claim
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1. An arthroplasty trial tool for a human shoulder comprising:
- a handle comprising a first end and a second end opposite the first end, the first end comprising;
a first sensor configured to produce a first sensor signal based on a sensed condition of the human shoulder when the first end engages a humeral-glenoid interface of the human shoulder; and
a user interface disposed on the handle between the first end and the second end, the user interface configured to display a first value indicative of stability of the shoulder based on the first sensor signal;
wherein the second end further comprises a second sensor configured to produce a second sensor signal based on a second sensed condition of the human shoulder when the second end engages the humeral-glenoid interface, the second sensor signal indicative of stability of the shoulder.
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Abstract
A arthroplasty trial tool for a human shoulder can include a handle, a first sensor, and a user interface. The handle can include a first end and a second end opposite the first end. The first sensor can produce a first sensor signal as a function of a sensed shoulder condition. The user interface can be configured to display a first value as a function of the first sensor signal.
30 Citations
18 Claims
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1. An arthroplasty trial tool for a human shoulder comprising:
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a handle comprising a first end and a second end opposite the first end, the first end comprising; a first sensor configured to produce a first sensor signal based on a sensed condition of the human shoulder when the first end engages a humeral-glenoid interface of the human shoulder; and a user interface disposed on the handle between the first end and the second end, the user interface configured to display a first value indicative of stability of the shoulder based on the first sensor signal; wherein the second end further comprises a second sensor configured to produce a second sensor signal based on a second sensed condition of the human shoulder when the second end engages the humeral-glenoid interface, the second sensor signal indicative of stability of the shoulder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An arthroplasty trial system for a human shoulder, the trial system comprising:
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a set of implants comprising a humeral implant and a glenoid implant; a trial tool comprising; a body comprising a first end and a second end; a spoon coupled to the first end, the spoon engageable with the set of implants, the spoon comprising; a sensor to produce a sensor signal based on a condition of the set of implants when the spoon engages the set of implants; a user interface located on the body and configured to, based on the first sensor signal, display a value indicative of the condition of the set of implants; and a second spoon coupled to the second end of the body, the second spoon including a second sensor configured to produce a second sensor signal based on a second condition of the set of implants when the second spoon engages the set of implants. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A method of evaluating trial components, comprising:
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inserting a first end of a trial tool into a shoulder of patient adjacent to a first trial component; producing a first sensor signal based on a condition of the first trial component installed on the shoulder using the trial tool; producing, based on the first sensor signal, a display on the trial tool representing the condition of the first trial component indicative of stability of the shoulder; selecting the first trial component based on the display; securing the first trial component to a glenoid of the shoulder of the patient; securing a second trial component to a humerus of the shoulder of the patient; and producing a first sensor signal based on a condition of the first trial component and the second trial component using a first end of the trial tool; and producing a second sensor signal based on a condition of the first trial component and the second trial component using a second end of the trial tool. - View Dependent Claims (17, 18)
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Specification