Use of epidermal electronic devices to measure orientation

Patent metadata

Field	Value
Publication number	US-2016015299-A1
Application number	US-201414334434-A
Country	US
Kind code	A1
Filing date	Jul 17, 2014
Priority date	Jul 17, 2014
Publication date	Jan 21, 2016
Grant date	—

Abstract

An epidermal electronics device includes a barrier layer configured to be coupled to a body part of a user, a sensor configured to acquire orientation data regarding the epidermal electronics device, and a control circuit configured to determine at least one of an orientation and an angular motion of the body part based on the orientation data.

First claim

1 . An epidermal electronics device, comprising:
a barrier layer configured to be coupled to a body part of a user; a sensor configured to acquire orientation data regarding the epidermal electronics device; and a control circuit configured to determine at least one of an orientation and an angular motion of the body part based on the orientation data.

2 . The epidermal electronics device of claim 1 , wherein the orientation data comprises data regarding an angular alignment of the epidermal electronics device about at least one axis.

3 . The epidermal electronics device of claim 2 , wherein the angular alignment comprises an angle relative to the direction of gravity.

4 . The epidermal electronics device of claim 1 , wherein the orientation data comprises data regarding an angular velocity of the epidermal electronics device about at least one axis.

5 . (canceled)

6 . The epidermal electronics device of claim 1 , wherein the sensor includes a first accelerometer and a second accelerometer, and wherein the first accelerometer and the second accelerometer are oppositely aligned.

7 .- 32 . (canceled)

33 . The epidermal electronics device of claim 1 , wherein the control circuit is configured to determine a posture of a user based on the orientation data.

34 . The epidermal electronics device of claim 1 , wherein the control circuit is configured to determine if a person is at least one of sitting, standing, moving, and lying down based on the orientation data.

35 . The epidermal electronics device of claim 1 , wherein the device is configured to measure a gesture of a user based on the orientation data.

36 . The epidermal electronics device of claim 1 , wherein the control circuit is configured to determine a relative orientation of a first body part relative to a second body part.

37 .- 53 . (canceled)

54 . The epidermal electronics device of claim 1 , wherein the control circuit is configured to control the sensor based on at least one of an orientation and an angular motion of the epidermal electronics device.

55 .- 58 . (canceled)

59 . The epidermal electronics device of claim 1 , further comprising an interaction device configured to interact with an attachment surface.

60 . The epidermal electronics device of claim 59 , wherein the interaction device includes a micro electro-mechanical systems drug delivery device.

61 . (canceled)

62 . The epidermal electronics device of claim 59 , wherein the control circuit is configured to control the interaction device based on at least one of an orientation and an angular motion of the epidermal electronics device.

63 .- 84 . (canceled)

85 . The epidermal electronics device of claim 1 , wherein the control circuit is configured to estimate the orientation of a body part using a Kalman filter.

86 . (canceled)

87 . The epidermal electronics device of claim 1 , wherein the control circuit is configured to estimate the orientation of a body part using a constraint on the orientation data.

88 . The epidermal electronics device of claim 87 , wherein the constraint includes angle-relative to gravity measurements from one or more inclinometers.

89 . (canceled)

90 . The epidermal electronics device of claim 87 , wherein the constraint includes a human connectivity model.

91 . The epidermal electronics device of claim 87 , wherein the constraint includes measurements provided by an external sensing device.

92 .- 148 . (canceled)

149 . An epidermal electronics system for measuring orientations of body parts, comprising:
a first epidermal electronics device including:
a first barrier layer configured to attach the first epidermal electronics device to a first body part;
a first sensor coupled to the first barrier layer and configured to provide first orientation data regarding at least one of an orientation and an angular motion of the first body part; and
a second epidermal electronics device including:
a second barrier layer configured to attach the second epidermal electronics device to a second body part;
a second sensor coupled to the second barrier layer and configured to provide second orientation data regarding at least one of an orientation and an angular motion of the second body part; and
a control circuit configured to receive the first orientation data and the second orientation data from the first sensor and the second sensor, wherein the control circuit is configured to estimate at least one of the orientation and the angular motion of the first body part relative to the second body part using the first orientation data and the second orientation data.

150 .- 154 . (canceled)

155 . The epidermal electronics system of claim 149 , wherein at least one of the first orientation data and the second orientation data are data corresponding to the relative angular acceleration between the first epidermal electronics device and the second epidermal electronics device.

156 .- 164 . (canceled)

165 . The epidermal electronics system of claim 149 , wherein the first sensor includes at least one of a single-axis accelerometer, a pair of oppositely aligned single-axis accelerometers, an antenna configured to measure a field source, a range sensor, a multi-axis accelerometer, a gyroscope, or a inclinometer.

166 . The epidermal electronics system of claim 149 , wherein the second sensor includes at least one of a single-axis accelerometer, a pair of oppositely aligned single-axis accelerometers, an antenna configured to measure a field source, a range sensor, a multi-axis accelerometer, a gyroscope, or a inclinometer.

167 . The epidermal electronics system of claim 149 , wherein the control circuit is configured to control one of the first and second sensors on based on at least one of the first orientation data and the second orientation data.

168 . (canceled)

169 . (canceled)

170 . The epidermal electronics device of claim 149 , wherein the control circuit is configured to control one of the first and second sensors based on a location of at least one of the epidermal electronics devices.

171 .- 181 . (canceled)

182 . An epidermal electronics system for measuring orientation of body parts, comprising:
an epidermal electronics device including:
a barrier layer configured to attach the epidermal electronics device to a body part;
a first sensor configured to measure relative orientation data of the epidermal electronics device;
a communications device configured to receive orientation information from a second device located on a second body part; and
a control circuit configured to estimate the relative orientation of the body part to that of the second body part using the relative orientation data and the orientation information.

183 . The epidermal electronics system of claim 182 , wherein the second device comprises a second sensor, and wherein the orientation information comprises orientation data associated with the second body part measured by the second sensor.

184 .- 186 . (canceled)

187 . The epidermal electronics system of claim 182 , wherein the relative orientatio

Assignees

• Elwha Llc

Inventors

• Chan Alistair K
• Hyde Roderick A
• Sweeney Elizabeth A
• Tuckerman David B

Classifications

• A61M5/142

  Pressure infusion, e.g. using pumps · CPC title

• A61B5/1116 Primary

  Determining posture transitions · CPC title

• A61B5/1121

  Determining geometric values, e.g. centre of rotation or angular range of movement · CPC title

• A61B5/1118

  Determining activity level · CPC title

• A61B5/6801

  specially adapted to be attached to or worn on the body surface · CPC title