Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1996-10-22
1998-09-15
Lateef, Marvin M.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
606130, 378206, 128897, A61B 1900
Patent
active
058072527
ABSTRACT:
To improve the reliability of a process for determining the position of a body part in which bone screws are screwed into the bone of the body part in question, each bone screw is provided with a radiation emitter or radiation receiver. A number of fixed receivers or emitters are used as appropriate to receive radiation from the bone screw transmitters or direct radiation towards the bone screw receivers. The radiation direction and/or radiation propagation time and/or radiation field strength or frequency is used to determine the position of each radiation emitter or receiver. A system for determining position based on this procedure and bone screws which can be used therefor are also disclosed.
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"Halbleiter-Positionsdetektoren," Markt & Technik, Nr. 34, Aug. 26, 1983, pp. 28 and 31.
Hassfeld Stefan
Lutze Theodor
Muhling Joachim
Schulz Joachim
Aesculap AG
Lateef Marvin M.
Lipsitz Barry R.
Shaw Shawna J.
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