Auto switch biplane prostate probe
Patent 4817616 Issued on April 4, 1989. Estimated Expiration Date: 
October 30, 2007. 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.
October 30, 2007. 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.InventorAssigneeApplicationNo. 07/114501 filed on 10/30/1987US Classes:600/463, With acoustical or display imaging600/101ENDOSCOPEExaminersPrimary: Jaworski, Francis J.Attorney, Agent or FirmInternational ClassesA61B 8/12 (20060101)A61B 1/00 (20060101) AbstractA biplane ultrasound probe (10) including an outer casing (12) having a longitudinal axis and an inner member (14) mounted within the outer casing (12). A pair of scanning transducers (16,18) are mounted on the inner member (14) for respectively ultrasound scanning different orthogonal planes (23,25) of an adjacent object (20). The assembly includes a shifting mechanism for shifting the inner member (14) axially within the outer casing (12) independently of the outer casing (12) to move either one of the scanning transducers (16,18) into a unitary scanning position. The shifting mechanism further includes an actuator for actuating the one of the scanning probes (16,18) shifted into the scanning position to scan the object (20).Other References
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