ELECTROCARDIOGRAPH AND BLOOD PRESSURE SIGNALS SIMULATOR
First Claim
Patent Images
1. A physiological waveform simulator comprising:
- a sleep timer; and
a microcontroller comprising;
means for waking, responsive to an output from the sleep timer;
means for writing a portion of a physiological waveform profile; and
means for sleeping.
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Accused Products
Abstract
System, methods, and apparatuses produce simulated human physiological waveforms such as electrocardiograph (ECG) and blood pressure signals where the microcontroller and/or digital-to-analog converters may be switched to a lower power-consuming state by programmable instructions and switched on in response to a programmable sleep timer.
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Citations
35 Claims
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1. A physiological waveform simulator comprising:
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a sleep timer; and a microcontroller comprising; means for waking, responsive to an output from the sleep timer; means for writing a portion of a physiological waveform profile; and means for sleeping. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A physiological waveform simulator comprising:
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a sleep timer; and a microcontroller comprising; a writing module for executing one or more writing events including a first writing event wherein the microcontroller transmits a first physiological waveform value based on the physiological waveform profile, to a digital-to-analog converter; and
wherein the microcontroller is adapted to be placed in a lower power-consuming state after the writing module transmits the first physiological waveform value; andwherein the digital-to-analog converter is adapted to be placed in an on state to receive the first transmitted physiological waveform value and the digital-to-analog converter is adapted to be placed in a lower power-consuming state after receiving the first physiological waveform value transmission. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A physiological waveform simulator comprising:
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a microcontroller; an electrocardiograph (ECG) ladder having a high side and a low side; a first digital-to-analog converter (DAC); and a second DAC; wherein the first DAC drives the high side of the ECG ladder via a first hold circuit, and the wherein the second DAC drives the low side of the ECG ladder via a second hold circuit.
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19. A physiological waveform simulator comprising:
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a microcontroller comprising a means for writing a physiological waveform value to a digital-to-analog converter (DAC) wherein the DAC has a reference voltage; and wherein a positive supply voltage to the physiological waveform simulator is drawn from a monitor excitation signal and a negative supply voltage to the physiological waveform simulator is drawn from an output of a charge pump inverter driven by the monitor excitation signal. - View Dependent Claims (20)
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21. A method of energy management for a physiological waveform simulator comprising:
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waking a microcontroller of the physiological waveform simulator from a sleep mode via a sleep timer; transmitting a first physiological waveform value, based on physiological waveform profile, to at least one of;
a first receiving digital-to-analog converter and a second receiving digital-to-analog converter;putting the microcontroller into the sleep mode after the transmission of the first physiological waveform value; and enabling at least one of;
(a) the first receiving digital-to-analog converter to be powered for a duration to drive a first hold circuit and (b) the second receiving digital-to-analog converter to be powered for a duration to drive a second hold circuit. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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28. A method of energy management for a physiological waveform simulator comprising:
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waking a microcontroller of the physiological waveform simulator from a sleep mode via a sleep timer; writing a first physiological waveform value, based on physiological waveform profile; and putting the microcontroller into the sleep mode after the writing of the first physiological waveform value. - View Dependent Claims (29, 30, 31)
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32. A display system for a physiological waveform simulator having at least two output modes, the display system comprising:
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a button; a lighting circuit; an output mode lamp array comprising two or more lamps; and wherein a depression and release of the button advances the physiological waveform simulator to a successive output mode and switches the lighting circuit to a lamp associated with the successive output mode; and wherein, for at least one of the output modes, a depression and continued depression of the button advances the physiological waveform simulator to a successive waveform output series of the at least one output mode.
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33. A display system for a physiological waveform simulator having at least two output modes, the display system comprising:
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a button; a lighting circuit; an output mode lamp array comprising two or more lamps; and wherein a double click of the button advances the physiological waveform simulator to a successive output mode and switches the lighting circuit to a lamp associated with the successive output mode; and wherein, for at least one of the output modes, a single click of the button advances the physiological waveform simulator to a successive waveform output series of the at least one output mode.
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34. An electrical connector receiving system for a physiological waveform simulator comprising:
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a snap portion comprising; a disc portion having a top side, a bottom side and an edge; and the snap portion further comprising an inverted frustroconical portion fixedly attached to the top side of the disc portion; and a mounting element having planar surface proximate to a first aperture; and wherein the bottom side of the disc portion is proximate to the planar surface of the mounting element, and a first sector of the bottom side of the disc portion extends over a portion of the first aperture. - View Dependent Claims (35)
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Specification