Unified switching system for electrophysiological stimulation and signal recording and analysis
First Claim
1. A system for transmitting or receiving signals to or from a non-fixed physiological load or source, comprising:
- a switch having an input, an output and a switch path, the input and output being selectively couplable though the switch path, wherein the switch path is configured to float with respect to the non-fixed load or source.
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Abstract
A cardiac mapping and pacing system includes a cardiac catheter having multiple electrodes and further includes an electrophysiological biological recorder. An interface system coupled between the multiple electrodes and the biological recorder permits the biological recorder to receive, process and display data acquired from the electrodes even though the number of electrodes may exceed the number of available inputs to the biological recorder. An application specific integrated circuit (ASIC) implemented as a CMOS switching circuit matrix is used to effectively interface a number of individual electrodes with a variety of existing and custom biological recorders.
67 Citations
21 Claims
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1. A system for transmitting or receiving signals to or from a non-fixed physiological load or source, comprising:
a switch having an input, an output and a switch path, the input and output being selectively couplable though the switch path, wherein the switch path is configured to float with respect to the non-fixed load or source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A system for monitoring physiological signals from a non-fixed physiological source, comprising:
a switch matrix having a plurality of inputs, a plurality of outputs, and a plurality of switch paths, the plurality of inputs each being adapted to receive physiological signals, the plurality of outputs each being couplable to external devices for displaying or processing the physiological signals, the plurality of inputs each being selectively connectable to one of the plurality of outputs through the plurality of switch paths, wherein the plurality of switch paths are configured to float with respect to the non-fixed load or source. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A system operable to selectively couple non-fixed physiological signals with at least one output channel, comprising:
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a switch having a input channel, an output channel and a switch path, the input channel being selectively couplable to the output channel through the switch path, wherein the switch path includes an electrical circuit configured to float with respect to a non-fixed physiological load or source.
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Specification