NAVIGATION SYSTEM FOR ORTHOPAEDIC SURGERY
First Claim
1. A navigation system for accurate placing of an implant during surgery,comprising an orientation apparatus and a reference apparatus,wherein the reference apparatus comprises an anchor for fixing the reference apparatus to a predetermined feature of the subjects body, and at least one indicator for indicating at least one reference plane or axis,wherein the orientation apparatus comprises a number of probes for contacting a number of predetermined features of a subjects body and defining a plane,wherein at least one of the orientation apparatus and the reference apparatus comprises at least one connector for connecting the orientation apparatus and the anchor such that, when connected, relative translation of the connector and the anchor along a predetermined direction with respect to the plane defined by the probes is allowed and relative rotation of the connector and the anchor about that predetermined direction is prevented.
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Accused Products
Abstract
A navigation system for placing an implant in orthopaedic surgery is provided, comprising an orientation apparatus and a reference apparatus. The reference apparatus comprises an anchor for fixing the reference apparatus to a predetermined feature of the subjects body and an indicator for indicating at least one reference plane or axis. The orientation apparatus comprises a number of probes for contacting a number of predetermined features of a subjects body and defining a plane. The orientation apparatus and/or the reference apparatus comprises at least one connector for connecting the orientation apparatus and the anchor such that, when connected, relative translation of the connector and the anchor along a predetermined direction with respect to the plane defined by the probes is allowed and relative rotation of the connector and the anchor about that predetermined direction is prevented.
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Citations
18 Claims
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1. A navigation system for accurate placing of an implant during surgery,
comprising an orientation apparatus and a reference apparatus, wherein the reference apparatus comprises an anchor for fixing the reference apparatus to a predetermined feature of the subjects body, and at least one indicator for indicating at least one reference plane or axis, wherein the orientation apparatus comprises a number of probes for contacting a number of predetermined features of a subjects body and defining a plane, wherein at least one of the orientation apparatus and the reference apparatus comprises at least one connector for connecting the orientation apparatus and the anchor such that, when connected, relative translation of the connector and the anchor along a predetermined direction with respect to the plane defined by the probes is allowed and relative rotation of the connector and the anchor about that predetermined direction is prevented.
Specification