Pacer interface device
First Claim
Patent Images
1. An interface device comprising:
- means, electrically isolated from an electronic cardiac pacer, for receiving pace signals and R wave sense signals from said cardiac pacer; and
means for providing an electrical timing signal in response to receipt of either one of said pace signals or one of said R wave sense signals by said receiving means.
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Abstract
A method and device for providing a timing signal to a medical device in response to light emitting indicators on a cardiac pacer. The device is optically coupled to the light emitting indicators, but is electrically isolated from the cardiac pacer. A timing signal is generated in response to activation of the light emitting indicators which indicate that an R wave was sensed or a ventricular pace signal was sent.
21 Citations
8 Claims
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1. An interface device comprising:
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means, electrically isolated from an electronic cardiac pacer, for receiving pace signals and R wave sense signals from said cardiac pacer; and means for providing an electrical timing signal in response to receipt of either one of said pace signals or one of said R wave sense signals by said receiving means. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An interface device comprising:
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an opaque shield attachable over a plurality of light emitting indicators on an electronic cardiac pacer; a plurality of photoresponsive devices located within said shield so that each photoresponsive device is optically coupled with one of said light emitting indicators when said shield is attached to said cardiac pacer; a plurality of light emitting diodes located on said shield so as to be visible when said shield is attached to said cardiac pacer and means for activating one of said light emitting diodes when a corresponding light emitting indicator is lit; means for driving an electrical timing signal in response to a signal from one of said photoresponsive devices; and means for providing said electrical timing signal to an intraaortic balloon pump control system.
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Specification