Patient Selectable Joint Arthroplasty Devices and Surgical Tools
First Claim
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1. A method for joint arthroplasty, the method comprising:
- mating a contact surface of a surgical tool onto an uncut surface of a joint, wherein the contact surface is substantially a mirror image of the uncut surface of the joint onto which the surgical tool is to be mated, the tool including a guide for directing movement of a surgical instrument; and
determining intraoperatively a desired position of the guide relative to the contact surface.
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Abstract
A patellar 3-D guidance tool includes a template. The template includes at least one contact surface for engaging a surface of the patella. The at least one contact surface substantially conforms with the surface associated with the patellar. At least one guide aperture directs movement of a surgical instrument, wherein the shape and/or position of the guide aperture is based, at least in part, on three or more anatomic reference points associated with the patellar.
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Citations
20 Claims
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1. A method for joint arthroplasty, the method comprising:
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mating a contact surface of a surgical tool onto an uncut surface of a joint, wherein the contact surface is substantially a mirror image of the uncut surface of the joint onto which the surgical tool is to be mated, the tool including a guide for directing movement of a surgical instrument; and determining intraoperatively a desired position of the guide relative to the contact surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A surgical tool for joint arthroplasty, the tool comprising:
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a contact surface for engaging a first uncut surface of a joint, the contact surface being substantially a mirror image of the uncut first surface of a joint; a guide for directing movement of a surgical instrument; and an adjustment mechanism for adjusting the position of the tool and/or the guide to a desired position relative to the contact surface. - View Dependent Claims (17, 18, 19, 20)
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Specification