Tool calibrator
September 26, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesApparatus and method for testing point sharpness of needles Process and device for the reproducible optical representation of a surgical operation System for indicating the position of a surgical probe within a head on an image of the head Process and device for the reproducible optical representation of a surgical operation Stereotaxy wand and tool guide Apparatus and method for setting depth of cut of micrometer surgical knife Patent #: 5552822 InventorsAssigneeApplicationNo. 938210 filed on 09/26/1997US Classes:73/1.79Displacement, motion, distance, or positionExaminersPrimary: Raevis, RobertAttorney, Agent or FirmInternational ClassG01C 017/38AbstractA tool calibrator includes two portions shaped to slidably engage and secure a tool in a desired position. The tool is secured by a series of staggered V shaped grooves on each of the two portions having a known geometrical relationship with a diameter of a tool head of the tool. The tool calibrator further includes at least one position signaling device for communicating a location of the tool calibrator in an operating room or other area. A position and direction of a tip of the tool is determined by comparing a location of the tool secured within the tool calibrator to the location of each of the two portions. Further, based on the location of each of the two portions, the diameter of the tool head is calculated.Other References
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