Importance

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Abstract

The present application relates to a system for navigation-assisted shoulder operations in which the humeral component is partially replaced with a prosthesis, comprising:

a first tracking unit which is configured to be fastened to a section of a bone which is to be removed during the operation;a detection unit which is configured to detect landmarks on the bone;a second tracking unit which is configured to be attached to another section of the same bone;a camera unit which simultaneously detects the first and second tracking unit, in order to determine their respective location; anda computational unit which is connected to the camera unit and is configured to: determine a first relative location of the landmarks relative to the first tracking unit from data acquired by means of the detection unit; andcalculate a second relative location of the landmarks relative to the second tracking unit on the basis of the first relative location;such that additional navigated treatment apparatuses can be exactly positioned during the operation by referring to the second tracking unit.

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First Claim