Air movement energy harvesting with wireless sensors
First Claim
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1. A physiological medical sensor, comprising:
- one or more power generating piezoelectric structures disposed on an exterior portion of a medical sensor, wherein the one or more power generating piezoelectric structures generate power in response to air movement;
one or more sensing components which, acting alone or in combination, are capable of generating data related to one or more physiological parameters; and
wireless communication circuitry capable of wirelessly transmitting the data related to the one or more physiological parameters, wherein at least one of the one or more sensing components or the wireless communication circuitry are at least partially powered, directly or indirectly, by the one or more power generating piezoelectric structures.
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Abstract
A system and method for generating power when one or more motion sensitive structures are moved via airflow. The system may include one or more sensing components which, acting alone or in combination, are capable of generating data related to one or more physiological parameters. The system may also include wireless communication circuitry capable of wirelessly transmitting the data related to the one or more physiological parameters. Furthermore, at least one of the one or more sensing components or the wireless communication circuitry may be at least partially powered, directly or indirectly, by the one or more motion sensitive structures when acted upon by airflow.
77 Citations
22 Claims
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1. A physiological medical sensor, comprising:
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one or more power generating piezoelectric structures disposed on an exterior portion of a medical sensor, wherein the one or more power generating piezoelectric structures generate power in response to air movement; one or more sensing components which, acting alone or in combination, are capable of generating data related to one or more physiological parameters; and wireless communication circuitry capable of wirelessly transmitting the data related to the one or more physiological parameters, wherein at least one of the one or more sensing components or the wireless communication circuitry are at least partially powered, directly or indirectly, by the one or more power generating piezoelectric structures. - View Dependent Claims (2, 3)
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4. A power module for a physiological medical sensor, comprising:
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one or more power generating piezoelectric structures disposed on an exterior portion of a medical sensor, wherein the one or more power generating piezoelectric structures generate power in response to air movement; and a connector capable of releasably connecting to the physiological medical sensor, wherein the connector is capable of transmitting power generated by the one or more power generating piezoelectric structures to the physiological medical sensor when connected. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for powering a wireless medical sensor, comprising the acts of:
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generating power via one or more power generating piezoelectric structures in response to air movement, wherein the one or more power generating piezoelectric structures is disposed on an exterior portion of a medical sensor; and providing the generated power from the one or more power generating piezoelectric structures to the medical sensor. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A monitoring system, comprising:
a wireless medical sensor, comprising; a light generating component; a light detecting component capable of detecting light generated by the light generating component; a wireless transmitter capable of wirelessly transmitting a signal based on the light detected by the light detecting component; one or more power generating piezoelectric structures that generate power in response to air movement, wherein the one or more power generating piezoelectric structures is disposed on an exterior portion of the medical sensor, and wherein the generated power is provided to one or more of the light generating component, the light detecting component, or the wireless transmitter; and a monitor capable of receiving the signal. - View Dependent Claims (20, 21, 22)
Specification