Wireless electromyography sensor and system
First Claim
1. A wireless biopotential sensor, comprising:
- an adhesive strip having a lower surface for placement against the skin of a patient and an upper surface;
a pair of conductive electrodes applied to said adhesive strip;
a sensor substrate applied to said upper surface of said adhesive strip, said sensor substrate carrying first and second conductive contact pads placed in registry with said pair of conductive electrodes such that said contact pads are in electrical contact with said conductive electrodes;
an electronics module applied to said sensor substrate and in electrical contact with said contact pads, said electronics module comprising a power supply and electronics for generating a wireless signal containing biopotential signals detected by said pair of conductive electrodes.
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Accused Products
Abstract
A wireless biopotential sensor includes an adhesive strip having a lower surface for placement against the skin of a patient and an upper surface. A pair of conductive electrodes are applied to the lower surface of the adhesive strip. A sensor substrate is applied to the upper surface. The sensor substrate includes first and second conductive contact pads that are placed in registry with the pair of conductive electrodes, with the contact pads arranged in electrical contact with the conductive electrodes. An electronics module is applied to the sensor substrate and arranged in electrical contact with the contact pads. The electronics module comprises a power supply and electronics for generating a wireless signal containing biopotential signals detected by the pair of conductive electrodes.
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Citations
23 Claims
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1. A wireless biopotential sensor, comprising:
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an adhesive strip having a lower surface for placement against the skin of a patient and an upper surface;
a pair of conductive electrodes applied to said adhesive strip;
a sensor substrate applied to said upper surface of said adhesive strip, said sensor substrate carrying first and second conductive contact pads placed in registry with said pair of conductive electrodes such that said contact pads are in electrical contact with said conductive electrodes;
an electronics module applied to said sensor substrate and in electrical contact with said contact pads, said electronics module comprising a power supply and electronics for generating a wireless signal containing biopotential signals detected by said pair of conductive electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. In a bio-potential signal acquisition sensor adapted for acquiring a signal from a patient'"'"'s body and including an electronics module, the improvement comprising:
an elongate flexible strip connected to said sensor, said flexible strip carrying a conductor having a first end electrically connected to said electronics module in said sensor and a second end connected to an electrode for placement on said patient'"'"'s body, said conductor supplying a reference voltage to said electronics module. - View Dependent Claims (11)
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12. In a bio-potential signal acquisition sensor adapted for acquiring a signal from a patient'"'"'s body and including an electronics module, the improvement comprising:
an arrangement of first and second electrodes for acquiring said signal, said electrodes comprising elongate strips of conductive material wrapped around an adhesive material and separated from each other by a distance W, whereby said conductive strips may be unwrapped and repositioned on said adhesive material to thereby change the separation distance W between said strips. - View Dependent Claims (13, 14, 15)
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16. A wireless electromyography (EMG) system, comprising
a base unit supplying EMG signals to a monitor; -
a plurality of wireless electrodes for acquiring EMG signals from a patient, each of said electrodes comprising an electronics module converting EMG signals to digital form and an RF transceiver for transmitting RF wireless data corresponding to said EMG signals to said base unit and receiving RF wireless commands from said base unit;
each of said wireless electrodes further comprising a means for encoding unique identification information associated with said wireless electrodes;
a means for organizing said digital form of said EMG signals into packets for appending said encoded identification information to said packets; and
a buffer for storing EMG digital data containing said encoded identification number prior to transmission by said RF transceiver to said base unit. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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Specification