Systems, devices and methods for the prevention and treatment of pressure ulcers, bed exits, falls, and other conditions
First Claim
Patent Images
1. A system for patient monitoring comprising:
- a plurality of relay antennae for receiving signals from one or more patient-worn sensors and from other relay antennae, each patient-worn sensor comprising an accelerometer and configured to collect sensor data, anda processor in communication with the plurality of relay antennae and configured to;
receive sensor data collected by a particular patient-worn sensor,calculate an angular orientation of the patient relative to the bed based on a physical orientation of the bed and the sensor data collected by the patient-worn sensor, andidentify a bed exit condition based at least on the determined angular orientation of the patient relative to the bed, wherein identifying the bed exit condition comprises identifying an occurrence or anticipated occurrence of a bed exit by the patient.
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Abstract
Methods, systems and devices for monitoring patient orientation, direction, altitude and location to determine the need for turns as well as to detect impending or actual bed exits or falls. A patient-worn sensor communicates with at least one host server through a mesh network of relay antennae to provide data representative of various patient characteristics. The sensor comprises one or more of an accelerometer, a magnetometer and an altimeter, along with optional other sensors. Various user interfaces are provided for managing patient care using the information developed by algorithms processed at the server based on data received from the patient sensors.
66 Citations
43 Claims
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1. A system for patient monitoring comprising:
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a plurality of relay antennae for receiving signals from one or more patient-worn sensors and from other relay antennae, each patient-worn sensor comprising an accelerometer and configured to collect sensor data, and a processor in communication with the plurality of relay antennae and configured to; receive sensor data collected by a particular patient-worn sensor, calculate an angular orientation of the patient relative to the bed based on a physical orientation of the bed and the sensor data collected by the patient-worn sensor, and identify a bed exit condition based at least on the determined angular orientation of the patient relative to the bed, wherein identifying the bed exit condition comprises identifying an occurrence or anticipated occurrence of a bed exit by the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for detecting or anticipating a bed exit of a patient, the method comprising:
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determining or accessing a physical orientation of a bed, collecting sensor data regarding the patient by a patient-worn sensor device secured to the patient, the sensor data comprising at least acceleration data collected by an accelerometer of the patient-worn sensor device, receiving, at a processor, the sensor data collected by the patient-worn sensor, calculating, by the processor, an angular orientation of the patient relative to the bed based on the determined physical orientation of the bed and the sensor data collected by the patient-worn sensor, and identifying a bed exit condition based at least on the determined angular orientation of the patient relative to the bed, wherein identifying the bed exit condition comprises identifying an occurrence or anticipated occurrence of a bed exit by the patient. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method for identifying a fall condition of a patient, the method comprising:
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collecting patient altitude data by an altimeter of a patient-worn sensor device secured to the patient, determining an altitude of one or more relay antennae, determining a reference altitude based on the determined altitude of the one or more relay antennae, receiving, at a processor, the patient altitude data collected by the altimeter of the patient-worn sensor device, the patient altitude data indicating changes in altitude of the patient, determining, by the processor, a relative altitude of the patient based on (a) the received patient altitude data and (b) the reference altitude determined based on the determined altitude of the one or more relay antennae, and identifying, by the processor, a patient fall condition based on the determined relative altitude of the patient. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method of identifying a fall condition of a patient using a patient-worn sensor device secured to a patient, the method comprising:
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collecting patient altitude data by an altimeter of the patient-worn sensor device; collecting patient acceleration data by an accelerometer of the patient-worn sensor device; determining, by a processor, a relative altitude of the patient based on (a) the collected patient altitude data and (b) a reference altitude; and identifying, by the processor, the fall condition based at least on (a) the determined relative altitude of the patient, as determined based on the collected patient altitude data and the reference altitude, and (b) the collected patient acceleration data. - View Dependent Claims (29, 30, 31)
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32. A method for detecting or anticipating a bed exit of a patient, the method comprising:
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receiving, by a processor, signals from a magnetometer of the patient-worn sensor device; determining, by the processor, a magnetic orientation of the patient based on the collected signals from the magnetometer by a process including; determining or accessing, by the processor, an orientation of a bed; and calculating, by the processor, a magnetic orientation of the patient relative to the bed based on the collected signals from the magnetometer; receiving, by the processor, patient acceleration data from an accelerometer of the patient-worn sensor device; and identifying, by the processor, a bed exit condition based at least on the determined magnetic orientation of the patient and the received patient acceleration data, wherein identifying the bed exit condition comprises identifying an occurrence or anticipated occurrence of a bed exit by the patient. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39)
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40. A system for detecting or anticipating a bed exit of a patient, the system comprising:
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a processor; and computer instructions stored in non-transitory computer readable media and executable by the processor to; determine or access data indicating a physical orientation of a bed, receive sensor data regarding the patient from one or more sensors provided in a patient-worn sensor device secured to the patient, the sensor data comprising at least acceleration data collected by an accelerometer of the patient-worn sensor device, calculate an angular orientation of the patient relative to the bed based on the determined physical orientation of the bed and the sensor data collected by the patient-worn sensor, and identify a bed exit condition based at least on the determined angular orientation of the patient relative to the bed, wherein identifying the bed exit condition comprises identifying an occurrence or anticipated occurrence of a bed exit by the patient. - View Dependent Claims (41, 42, 43)
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Specification