US 2013/0296873 A1 · SURGICAL TEMPLATES

Abstract

A surgical template system for use in working on a bone comprises: a tool guide block comprising at least one guide aperture for receiving and guiding a tool to work on a bone; locating means comprising a plurality of locating members, each member having a respective end surface for positioning against a surface of the bone; and attachment means for non-adjustably attaching the tool guide block to the locating means such that, when attached, the member end surfaces are secured in fixed position with, respect to each other, for engaging different respective portions of the surface of the bone, and the at least one guide aperture is secured in a fixed position with respect to the end surfaces. Corresponding methods of manufacturing a surgical template system, methods of manufacturing locating means for a surgical template system, methods of fitting a prosthesis to a bone, surgical methods, and surgical apparatus are described.

Claims111

Dependent claims

A surgical template system for use in working on a bone, comprising:

a tool guide block comprising at least one guide aperture for receiving and guiding a tool to work on a bone;
and
patient specific locating means comprising a plurality of locating members, each member having a respective bone-engaging surface adapted to conform to a respective portion of a predetermined surface of a specific bone of a patient,
wherein the tool guide block is non-adjustably attached to the locating means such that the member bone-engaging surfaces are secured in fixed position with respect to each other, for engaging the different respective portions of said surface of the bone, the at least one guide aperture is secured in a fixed position with respect to the bone-engaging surfaces, and the bone-engaging surfaces of the locating members conform to said predetermined surface so as to enable the attached locating means and tool guide block to be seated in a defined position with respect to the specific bone, with each member bone-engaging surface in contact with its respective portion of the bone surface, and wherein the tool guide block is formed from a first material and the locating means is formed from a second, different material.

1 more element

A method of manufacturing a surgical template system for use in working on a bone, the template system comprising a tool guide block comprising at least one guide aperture for receiving and guiding a tool to work on a bone, and locating means comprising a plurality of locating members, each member having a respective bone-engaging surface for positioning against a surface of the bone, the tool guide block being non-adjustably attached to the locating means such that the member bone-engaging surfaces are secured in fixed position with respect to each other, for engaging different respective portions of the surface of the bone, and the at least one guide aperture is secured in a fixed position with respect to the bone-engaging surfaces, the manufacturing method comprising:

determining a surface shape of a bone to be worked on;
manufacturing the locating means according to the determined shape such that when the locating means is attached to the tool guide block the locating member bone-engaging surfaces conform to different respective portions of the bone surface and enable the attached locating means and tool guide block to be seated in a defined position with respect to the bone, with each member bone-engaging surface in contact with its respective portion of the bone surface;
and manufacturing the tool guide block from a first material and manufacturing the locating means from a second, different material.

Dependencies are inferred from the claim text.

Surgical templates

Life of this patent

Surgical templates

Life of this patent

Abstract

Claims111