Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate
2011-03-15
2011-03-15
Casler, Brian (Department: 3737)
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
C600S459000
Reexamination Certificate
active
07905839
ABSTRACT:
An ultrasonic probe to be inserted into a body cavity internally contains an ultrasonic transducer. An ultrasonic observation apparatus to which the ultrasonic probe is connected outputs transmit signals in a pulse shape. A cabinet of the ultrasonic observation apparatus is connected to a ground of a secondary circuit and is insulated is direct current from the ground of a patient circuit. The secondary circuit has a timing generating circuit generating timing signals for generating the transmit signals. An insulating circuit insulates the timing signals from the secondary circuit and transmits the timing signals to the patient circuit. The patient circuit has a transmit signal generating circuit generating the transmit signals in synchronization with the inputted timing signals.
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Translation of JP 2002-0315749.
Translation of JP 2000-296128.
Japanese Official Action dated Aug. 17, 2010.
Casler Brian
Cwern Jonathan G
Olympus Corporation
Scully, Scott, Murphy and Presser, P.C
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