Registration pointer with interchangeable tip and method

Details Registration pointer with interchangeable tip and method Registration pointer with interchangeable tip and method

2007-09-25

2007-09-25

Casler, Brian L. (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S424000, C606S130000

Reexamination Certificate

active

10263772

ABSTRACT:
A registration pointer for registering points of surfaces of bodily elements in computer-assisted surgery, comprising a handle for being manipulated by a pointer operator. A stem is connected to the handle and has a first and a second tip configurations each having a respective use relating to a registration of points on specified bodily elements. A detectable device is secured to the stem, and is adapted to be tracked in space for position and orientation by a sensing apparatus. A position of the tip configurations with respect to the detectable device is determinable such that a position of the tip configurations is calculable as a function of the position and orientation of the detectable device. The tip configurations are chosen to register points on given bodily elements as a function of the respective use, by recording a position of points of contact between the tip configurations and the given bodily element.

REFERENCES:
patent: 6021343 (2000-02-01), Foley et al.
patent: 6430434 (2002-08-01), Mittelstadt
patent: 2003/0153829 (2003-08-01), Sarin et al.
patent: 2005/0059885 (2005-03-01), Melkent et al.
patent: WO 01/67979 (2001-09-01), None
U.S. Appl. No. 60/403,642, not published, Jansen.

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