| US 7,497,029 B2 | ||
| Device for determining the position of an incision block | ||
| Norman Plassky, Erfurt (Germany); and Timo Neubauer, Feldkirchen (Germany) | ||
| Assigned to BrainLAB AG, Feldkirchen (Germany) | ||
| Filed on Feb. 03, 2005, as Appl. No. 11/50,421. | ||
| Claims priority of provisional application 60/552354, filed on Mar. 11, 2004. | ||
| Claims priority of application No. 04002321 (EP), filed on Feb. 03, 2004. | ||
| Prior Publication US 2005/0190380 A1, Sep. 01, 2005 | ||
| Int. Cl. A61B 17/15 (2006.01); A61B 17/60 (2006.01) | ||
| U.S. Cl. 33—645 [33/512; 606/102; 269/254 CS] | 31 Claims |
| 1. A device for determining the position of a plane or recess of an instrument, comprising:
a positioning element that includes at least one reference point, the spatial position of which can be ascertained by a medical
tracking system;
a position determining element coupled to the positioning element, the position determining element comprising
at least one reference element that defines a contact plane for contacting a guide surface of the instrument that is subject
to wear in use, wherein the at least one reference element has a fixed spacing relative to the at least one reference point,
at least one pressing element.
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