A system and method for detecting and monitoring core body temperature are disclosed. The system includes a patch device and an electronic module coupled to the patch device. The method includes providing a patch device, coupling an electronic module to the patch device to provide a wearable device, and monitoring core body temperature of a user using the wearable device.

The invention relates to a sensor unit (2) for determining the core body temperature by means of measured values which can be determined outside the body on a surface, comprising at least one heat flow sensor (20, 20), and at least one temperature sensor (21, 21), which can be easily compactly produced and installed and allows optimized determination of the core body temperature. This is achieved in that the sensor unit (2) comprises at least one monolithic heat flow sensor (20, 20) in the form of a sandwich-like structure consisting of multiple layers of different materials and at least one temperature sensor (21, 2), which are soldered unto a circuit board (22) at a distance from one another or onto the circuit board (22) at the same height along a longitudinal direction of the circuit board (22), wherein the sensors (20, 21) are connected to an analog-to-digital convener (25) and a microcontroller (26) via wires or strip conductors, the electronic components (20, 21, 25, 26) can be connected to the electronics of a portable computer system by means of connecting wires (3), and the sensor unit (2) or the circuit board (22) with electronic components (20, 21, 25, 26) arranged thereon is at least partially enclosed by a sensor unit sleeve (28) in the transverse direction of the circuit board (22).

The invention relates to heat flow measurements. In particular, the invention relates to a surface adapter (10A, 10B, 100) for a heat flow measurement device, a device comprising such adapter (10A, 10B, 100) and a method of measuring heat flow. The adapter is comprises a rim (12) positionable around a measurement head (20) of a heat flux measurement device, the rim (12) being at least partly made of resilient material capable of adapting in shape to uneven surfaces for thermally insulating the measurement head (20) from its surroundings. The invention allows for more accurate thermal flow measurements.

A core body temperature monitoring apparatus placed superdermally over a user's skin, including a first temperature sensor, a second temperature sensor, a thermal insulation layer positioned intermediate the first and second temperature sensor and a heater for heating the apparatus and a subdermal tissue region underlying the user's skin. The subdermal tissue region is configured with variable thermal tissue parameters. A controller includes a switch configured for alternating between a calibration mode, wherein the heater is activated for calculating an instantaneous thermal tissue parameter, and a measurement mode, wherein the heater is inactive and the core body temperature is determined, based on the calculated instantaneous thermal tissue parameter.

A wearable electronic monitoring device comprising one or more sensors configured to noninvasively measure one or more parameters of a user. The device can include a housing, a motion sensor positioned within the housing configured to generate one or more signals based on an orientation of the user, a display proximate a top portion of the housing that includes at least one display element responsive to an amount of health risk associated with the orientation of the user, one or more other sensors or user inputs, and one or more hardware processors configured to receive the one or more motion signals, determine the orientation of the user relative to a surface responsive to the one or more motion signals, determine the amount of health risk responsive to the orientation of the user, and change an appearance of the at least one display element responsive to the health risk.

Devices and methods are provided for determining the temperature of an object. Such devices and methods incorporate first and second thermally conductive members, with a heating member associated with the first thermally conductive member. The second thermally conductive member is positionable adjacent to the object. The heating member is heated to a known temperature and a probe member is alternately brought into contact with the first and second thermally conductive members. When the probe member is in contact with one of the thermally conductive members, it will send an input to the controller. The controller compares the inputs to each other and, if they are not substantially equal, changes the temperature of the heating member, and the probe member is again alternately brought into contact with the thermally conductive members. When the inputs are substantially equal, the controller generates an output based on the temperature of the heating member.

A core body thermometer includes a substrate, a heat receiving terminal with which heat from a subject is received and which divides the heat into first heat flow and second heat flow and causes the first heat flow and the second heat flow to flow out, a first heat flow measurement system that measures the first heat flow using a first input-side temperature sensor and a first output-side temperature sensor, a second heat flow measurement system that measures the second heat flow using a second input-side temperature sensor and a second output-side temperature sensor, a first thermal resistance body provided between the heat receiving terminal and the first input-side temperature sensor, and a second thermal resistance body provided between the heat receiving terminal and the second input-side temperature sensor.

The invention describes a single heat flux sensor arrangement (1) comprising a sensor (10) comprising a layer (100) of thermally insulating material, an inner temperature measurement means (S1) arranged at an inner region of the insulating layer (100) and an outer temperature measurement means (S2) arranged at an outer region of the insulating layer (100); an evaluation unit (11) adapted to receive a temperature input from the inner 5 temperature measurement means (S1) and to receive a temperature input from the outer temperature measurement means (S2); and a heating means (12, S2) realized to deliberately raise the temperature of a region of the insulating layer (100). The invention further describes a non-invasive method of measuring a core body temperature (T0) of a subject (3).

A zero-heat-flux, deep tissue temperature measurement system measures internal body temperature by way of a probe having a heater and thermal sensors arranged in a zero-heat-flux construction. The measurement system includes control mechanization that determines heater and skin temperatures based upon data obtained from the probe and uses those temperatures to calculate a deep tissue temperature. The measurement system includes a signal interface cable having a connector where a probe can be releasably connected to the system. The cable and attached connector are a removable and replaceable part of the system, separate from the probe. The measurement system provides an output signal imitating a standard input signal configuration used by other equipment.

The invention describes a passive heat-flow sensor (1) comprising a contact face (11) for placement on a subject (8) during a temperature monitoring procedure; and a plurality of combined thermistor arrangements, wherein a combined thermistor arrangement comprises an inner thermistor (S1) arranged at an inner face of the sensor (1); an upper thermistor (S2) arranged at the upper surface of the sensor (1) and arranged relative to the inner thermistor (S1) to measure a vertical heat flow outward from the subject (8); and a lateral thermistor (S3) arranged relative to the inner thermistor (S1) to measure a horizontal heat flow along the contact face (11). The invention further describes a method of measuring the temperature of a subject (8) using a heat-flow sensor (1); and a temperature sensing arrangement (10) for monitoring the temperature of a subject (8) using a heat-flow sensor (1).