COMPACT OPTICAL TRACKER

• Main Authors: BEN-YISHAI, Rani, BARAK, Lior, KORNBILT, Ron
• Format: Patent
• Language: English; French; German
• Published: 09.08.2017
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; MEDICAL OR VETERINARY SCIENCE; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; SURGERY; TESTING

An optical tracker (100) for tracking a patient and/or a hand-held medical device relative to a head-mounted display system donned by a user, the optical tracker (100) comprising: a first optical sensor (350) coupled to at least two visual indicators (352A, 352B, 352C) and attached to the head-mounted display system (462); a second optical sensor (332) coupled to at least one visual indicator (333A, 333B, 333C) and configured to be attached to the hand-held medical device (330); a third optical sensor (342) coupled to at least one visual indicator (343A, 343B, 343C) and configured to be attached to the patient (320); wherein the first optical sensor (350), the second optical sensor (332) and the third optical sensor (342) each comprise at least one pixel array sensor (10) configured to generate a stream of pixel values representing a respective scene; and a computer processor (150); wherein the head-mounted display system (462) is configured to be donned by the user (310) in an operating room; wherein the computer processor (150) is configured to calculate a position and/or orientation, or a partial data thereof.