Intracavity Probe With Continuous Shielding of Acoustic Window
First Claim
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1. An ultrasound probe which is shielded from electronic emissions comprising:
- an ultrasonic transducer located in a fluid chamber;
a movable mechanism on which the transducer is mounted for scanning of the transducer;
an acoustic window enclosing the fluid chamber through which ultrasonic energy is transmitted or received; and
a conductive layer lining the acoustic window which is coupled to a reference potential.
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Abstract
An ultrasound probe has a transducer array which is moved to scan a patient with ultrasonic energy. The array is located in a fluid chamber (42) which is enclosed by an acoustic window end cap (34). The acoustic window cap is coated with a thin conductive layer (38) which shields the transducer and its motive mechanism from EFI/RFI emissions. The conductive layer is coupled to a reference potential.
77 Citations
15 Claims
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1. An ultrasound probe which is shielded from electronic emissions comprising:
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an ultrasonic transducer located in a fluid chamber; a movable mechanism on which the transducer is mounted for scanning of the transducer; an acoustic window enclosing the fluid chamber through which ultrasonic energy is transmitted or received; and a conductive layer lining the acoustic window which is coupled to a reference potential. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification