WO2016044881A1 - Dispositif de mesure de température et système pour communiquer une température corporelle - Google Patents

Dispositif de mesure de température et système pour communiquer une température corporelle Download PDF

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Publication number
WO2016044881A1
WO2016044881A1 PCT/AU2015/000587 AU2015000587W WO2016044881A1 WO 2016044881 A1 WO2016044881 A1 WO 2016044881A1 AU 2015000587 W AU2015000587 W AU 2015000587W WO 2016044881 A1 WO2016044881 A1 WO 2016044881A1
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WO
WIPO (PCT)
Prior art keywords
measuring device
temperature
temperature measuring
processor
user
Prior art date
Application number
PCT/AU2015/000587
Other languages
English (en)
Inventor
Aaron MAHER
Adrian CROUCH
Dion MAHER
Jeffrey Reid
Lars Milde
Lee Rodezno
Michael Rossignuolo
Original Assignee
Fidelis Technologies Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2014903816A external-priority patent/AU2014903816A0/en
Application filed by Fidelis Technologies Pty Ltd filed Critical Fidelis Technologies Pty Ltd
Publication of WO2016044881A1 publication Critical patent/WO2016044881A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
    • A61B5/0008—Temperature signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G01K13/20—Clinical contact thermometers for use with humans or animals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6831—Straps, bands or harnesses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6832—Means for maintaining contact with the body using adhesives
    • A61B5/6833—Adhesive patches

Definitions

  • the present invention relates to health care technology and in particular to a temperature measuring device and a releasable strap arrangement.
  • thermometers Traditional temperature sensing for health care is typically conducted by a thermometer.
  • the measurement approach is a spot check that does not continuously monitor temperature over a period time and therefore cannot lead to an express detection of rising temperatures. This is particularly worrying for parents with young children who may be experiencing rising temperatures and the thought of a delayed response to their children's need would certainly bring about much frustration.
  • the readings from existing thermometers are indicative of the temperature on the skin only. As the core body temperature is different to the measured skin temperature, the readings from the thermometers do not accurately reflect the real body temperature, nor do such existing thermometers attempt to estimate the actual body temperature.
  • the present invention seeks to provide a temperature measuring device and a system for communicating a body temperature which will overcome or substantially ameliorate at least some of the deficiencies of the prior art, or to at least provide an alternative.
  • the temperature measuring device is adapted to be used in conjunction with a means for retaining the device in an operative position for temperature measurements of a patient.
  • the Retaining means may comprise, for example, a releasable strap arrangement, an adhesive patch arrangement, or the like.
  • a temperature measuring device may be adapted for measuring an instantaneous or continuous temperature of a user at their axilla (i.e. in close proximity to the area on the user's body directly under the joint where the arm connects to the shoulder i.e. the armpit).
  • the temperature measuring device may comprise a processor for processing digital data.
  • the temperature measuring device may further comprise a memory device.
  • the memory device may be adapted for storing digital data including computer program code and being coupled to the processor.
  • the temperature measuring device may further comprise a temperature sensor.
  • the temperature sensor may be adapted for sensing the instantaneous or continuous temperature of the user in use.
  • the temperature sensor may be coupled to the processor to output an instantaneous or continuous temperature data to the processor.
  • the temperature measuring device may further comprise a wireless communication interface adapted for transmitting data.
  • the wireless communication interface may be operably coupled to the processor for one-way transmission of the instantaneous or continuous temperature data via the wireless communication interface in use.
  • a temperature measuring device for measuring an instantaneous or continuous temperature of a user at their axilla, .
  • the temperature measuring device comprising a processor for processing digital data; a memory device for storing digital data including computer program code and being coupled to the processor; a temperature sensor adapted for sensing the instantaneous or continuous temperature of the user in use and being coupled to the processor to output an instantaneous or continuous temperature data to the processor; and a wireless communication interface adapted for transmitting data, wherein the wireless communication interface is operably coupled to the processor for one-way transmission of the instantaneous or continuous data via the wireless communication interface in use.
  • the temperature measuring device may be adapted for measurement and display of ambient room temperature when not otherwise in use (e.g. when not in contact with a user).
  • the temperature measuring device may be configured for continuous monitoring of the temperature of the user or patient.
  • the temperature measuring device may be adapted for real time continuous temperature measurement of the user or patient.
  • the temperature measuring device may be configurable to measure temperature of the user remotely and accurately by being located in proximity to the axilla of the user.
  • the processor may be controlled by the computer program code to monitor the instantaneous or continuous temperature data continuously and in real time.
  • the processor may further be controlled by the computer program code to calibrate the instantaneous or continuous temperature data.
  • the calibration of the instantaneous or continuous temperature data may be conducted in accordance with a calibration model to provide a calibrated instantaneous or continuous temperature data.
  • the calibration model may be a look-up table or curve fitting function or model. In a particular arrangement, the calibration model may be either an exponential or a polynomial curve fitting model.
  • an instantaneous or continuous temperature data measurement obtained from the patient's skin will allow the real body temperature to be determined.
  • the processor may be controlled by the computer program code to convert the calibrated instantaneous or continuous temperature data to a body temperature data of the user in accordance with the calibrated instantaneous or continuous temperature data.
  • a body temperature data of the user can be determined.
  • the user's body temperature can be determined and monitored in real time.
  • the instantaneous or continuous temperature data of the user may comprise an initial temperature, wherein the initial temperature is the instantaneous or continuous temperature when initialising the temperature measuring device.
  • the device may comprise a PCB trace antenna.
  • the PCB trace antenna may be located at the periphery of a printed circuit board comprising electronic components of the temperature device.
  • the PCB trace antenna may provide a directional radiation pattern. The radiation pattern may be directed substantially away from said user's body.
  • the PCB trace antenna may be adapted for directional one-way transmission of data away from the user's body.
  • the processor may be controlled by the computer program code to estimate the instantaneous or continuous temperature data in accordance with the initial temperature.
  • an accurate reading of the temperature may be determined without delay after the initialisation of the temperature measuring device.
  • the processor may be controlled by the computer program code to detect fever using the body temperature data in accordance with a pre-defined threshold data.
  • fever may be expressly detected when the threshold temperature is reached.
  • the temperature sensor may provide continuous temperature data.
  • the processor may be controlled by the computer program code to configure the wireless communication interface or energy usage of the wireless communication interface as a function of the instantaneous or continuous temperature data.
  • wireless communication may be configured or powered-off depending on the instantaneous or continuous temperature data to conserve energy usage.
  • the device may be adapted for selection of a low power operating mode to conserve energy usage.
  • the low power operating mode may be characterised such that temperature readings or updates to the temperature readings are obtained at longer intervals than the interval between temperature readings whilst taken in a normal operating mode.
  • the temperature measuring device may further comprise an internal rechargeable battery source and internal electronic circuitry connected to the battery for operation of the device.
  • the device may be adapted to engage with an external charging station, the charging station being adapted to connect to a power source.
  • the measuring device may comprise a battery switch adapted to electrically disconnect the battery source from the internal device circuitry when the battery switch is in an open condition thereby to prevent discharging of the battery source whilst the device is mounted in the charging station.
  • the battery switch may be in a closed condition when the device is engaged with the external charging station and the charging station is connected to the power source, thereby to permit charging of the battery.
  • the battery switch may be in a closed condition when the device is not engaged with the charging station to permit powering of the internal device circuitry from the battery when in use.
  • the battery switch may be in an open state when the device is engaged with the charging station and the charging station is disconnected from the power source.
  • the temperature measuring device is generally triangular shaped, wherein vertex areas are rounded.
  • the temperature measuring device may be used to measure the user's temperature comfortably.
  • At least two sides of the triangular shaped temperature measuring device have approximately the same length.
  • the temperature measuring device may be adapted to fit in the axilla region of the patient or user in use.
  • the temperature measuring device may be configured to a maximum width of between about 20 to 50 millimetres.
  • the temperature measuring device may have a width of between about 30 to 40 millimetres.
  • the width of the temperature measuring device may be about 20, 23, 26, 29, 30, 31 , 32, 33, 34, 35, 36, 37, 38, 39, 40, 41 , 45, or about 50 mm.
  • the temperature measuring device may have a maximum height of between 20 and 50 millimetres. Alternatively, the temperature measuring device may have a height of between 30 to 40 millimetres. In particular arrangements, the height of the temperature measuring device may be about 30, 31 , 32, 33, 34, 35, 36, 37, 38, 39 or about 40 mm.
  • the temperature measuring device may have a thickness of between about 3 to about 10 millimetres.
  • the thickness of the temperature measuring device may be about, 3, 4, 5,6, 7, 8, 9 or about 10 mm
  • the temperature measuring device may be easily deployed for temperature measurement and may not cause user discomfort.
  • the processor is controlled by the computer program code to transmit the body temperature data to a mobile communication device via the wireless communication interface.
  • the body temperature may be obtained continuously.
  • the body temperature may be obtained wirelessly.
  • the temperature data may be transmitted to the mobile communication device in real time.
  • a releasable strap or adhesive patch arrangement for attaching an accessory to a user.
  • the releasable strap or adhesive patch arrangement may comprise an accessory portion adapted for supporting an accessory.
  • the strap or adhesive patch arrangement may be adapted such that in use, the accessory portion is located in proximity to an axilla of the user.
  • a releasable strap or adhesive patch arrangement for attaching to a user comprising an accessory portion adapted for supporting an accessory, the strap or adhesive patch arrangement being such that in use, the accessory portion is located in proximity to an axilla of the user.
  • the releasable strap or adhesive patch arrangement may be adapted to receive and/or support an accessory such that the accessory when engaged with the releasable strap or adhesive patch is located and maintained in proximity to an axilla of the user.
  • the releasable strap arrangement is adjustable to support use by individuals of different size (e.g. the strap may be adjusted to suit both a child and an adult as required).
  • the releasable strap arrangement is adapted such that, in use, at least a portion of the releasable strap arrangement is peripherally located about the user's thorax.
  • the releasable strap or adhesive patch arrangement maintains the accessory in proximity to the axilla in use, leading to an accurate temperature reading without subjecting the user to unnecessary discomfort.
  • the releasable strap arrangement is adapted such that, in use, at least a portion of the releasable strap arrangement is located on the user's shoulder.
  • the over shoulder portion of the releasable strap arrangement prevents the releasable strap arrangement from slipping down the user's body.
  • the accessory portion is adapted for receiving at least a portion of the accessory in use.
  • the releasable strap arrangement may receive an accessory.
  • the accessory portion further comprises a receptacle means.
  • the releasable strap arrangement further comprises a releasable attachment means.
  • the releasable strap arrangement can be released by the attachment means.
  • a system for communicating a body temperature of a person or patient may comprise a temperature measuring device as described in the above aspects.
  • the system may further comprise a mobile communication device.
  • the mobile communication device may comprise a second wireless communication interface.
  • the second wireless communication interface may be adapted for receiving the substantially one-way body temperature data from the wireless communication interface in use.
  • a system for communicating a body temperature of a person or patient comprising a temperature measuring device and a mobile communication device comprising a second wireless communication interface for receiving the body temperature data from the wireless communication interface in use.
  • the body temperature at an axilla may be monitored remotely.
  • the mobile communication device further displays colour coded indicators in accordance with the body temperature.
  • body temperature may be intuitively displayed.
  • the system further comprises a releasable strap arrangement.
  • body temperature may be measured simply and accurately.
  • a mobile communication device for alerting a user.
  • the mobile communication device may comprise a processor for processing digital data.
  • the mobile computing device may further comprise a memory device for storing digital data including computer program code and being coupled to the processor.
  • the mobile computing device may further comprise a wireless communication interface for sending and receiving digital data across a data network.
  • the processor may be controlled by the computer program code to receive, via the wireless communication interface, body temperature data from a temperature measuring device.
  • the processor may further be controlled by the computer program code to alert the user in accordance with body temperature data.
  • a mobile communication device for alerting a user
  • the mobile communication device comprising a processor for processing digital data, a memory device for storing digital data including computer program code and being coupled to the processor, and a wireless communication interface for sending and receiving digital data across a data network, wherein the processor is controlled by the computer program code to receive, via the wireless communication interface, body temperature data from a temperature measuring device and alert the user in accordance with body temperature data.
  • the user of the mobile communication device may receive alerts according to body temperature data transmitted from a remote temperature measuring device.
  • the mobile communication device further comprises a display, wherein the display is coupled to the processor.
  • the processor is controlled by the computer program code to alert the user by displaying colour coded indicators on the display in accordance with body temperature data.
  • the user may intuitively interpret body temperature data.
  • the processor is controlled by the computer program code to alert the user by either providing an audible alert tone or by vibrating the mobile communication device in accordance with body temperature data.
  • the user may receive vibrational alerts in response to body temperature data.
  • the processor is controlled by the computer program code to alert the user based on pre-defined threshold.
  • the alerts may be configurable. Brief Description of the Drawings
  • Figure 1 shows a system diagram of the temperature measuring device and the strap arrangement in accordance with the preferred embodiment of the present invention
  • Figure 2 shows a functional block diagram of a preferred embodiment of a temperature measuring device in accordance with the preferred embodiment of the present invention
  • Figure 3A shows an example implementation of a printed circuit board (PCB) of the device of Figure 1 showing the trace antenna designed for optimal performance of the device;
  • PCB printed circuit board
  • Figure 3B shows a diagram of the front face of the temperature measuring device in accordance with the preferred embodiment of the present invention.
  • Figure 4 shows a diagram of the rear external face of the temperature measuring device in accordance with the preferred embodiment of the present invention.
  • Figure 5 shows a diagram of the side view of the temperature measuring device in accordance with the preferred embodiment of the present invention.
  • Figure 6 shows a diagram of the user interface of a mobile communication device in accordance with the preferred embodiment of the present invention.
  • Figure 7 shows a diagram of the user interface of a mobile communication device in accordance with an alternative embodiment of the present invention.
  • a releasable strap or adhesive patch arrangement a temperature measuring device and a system for communicating a body temperature of a user adapted for the express temperature monitoring and fever identification.
  • a temperature measuring device adapted for the express temperature monitoring and fever identification.
  • the system may be adapted for use as a monitoring and alerting device providing illumination, vibration and audio tone, three of the senses that are used.
  • the system 100 for communicating the body temperature of the user may comprise a temperature measuring device 120 adapted for measuring the body temperature of the person or patient 101 at an axilla (i.e. the patient's armpit near the axillary artery of the person, as shown in Figure 1 .
  • the temperature measuring device 120 is located at the axilla of the person or patient by the releasable strap arrangement 105 that comprises an accessory portion (not shown) that receives at least a portion of the accessory, in this case the temperature measuring device 120.
  • the accessory portion is located in proximity to the axilla of user.
  • the accessory portion may be a receptacle means or a pocket that is formed out of the suitable elastic material to hold and contain the accessory snug in use.
  • the accessory portion may be in a form of an elastic band with and without the receptacle means that is adapted to the releasable strap arrangement 105 with sufficient resilience and dimensioning to hold the accessory portion snuggly at the axilla (i.e. the patient's armpit near the axillary artery) of the person or patient 101 .
  • the releasable strap arrangement 105 is adapted such that at least a portion of the releasable strap arrangement 105 is peripherally located about the person's thorax.
  • the design of the releasable strap arrangement 105 is anatomically shaped to the user's abdomen where the releasable strap arrangement 105 is designed such that at least a portion of the releasable strap arrangement 105 is located on the child's shoulder in use.
  • the releasable strap arrangement 105 may take the form of a vest such that the releasable strap arrangement 105 may cover both shoulders in use.
  • the releasable strap arrangement 105 may be adapted such that in use, at least a portion of the releasable strap arrangement 105 is under the user's arm.
  • the releasable strap attachment 105 may comprise two accessory portions adapted for receiving at least two accessories in use.
  • the releasable strap arrangement 105 may be adapted such that at least a portion of the releasable strap arrangement 105 is peripherally located about the user's abdomen and at least a portion of the releasable strap arrangement 105 is under the user's arm.
  • the releasable strap arrangement 105 further comprises a releasable attachment means 115 such as a Velcro quick fix strap that is adapted to the releasable strap arrangement means 105 to achieve the balance between restricting a user's movement and maximising the user's comfort.
  • a releasable attachment means 115 such as a Velcro quick fix strap that is adapted to the releasable strap arrangement means 105 to achieve the balance between restricting a user's movement and maximising the user's comfort.
  • any forms of releasable attachment means 115 may be applicable to the releasable strap arrangement 105.
  • the releasable strap arrangement 105 is in the form of a sling that allows caretakers of the user to wrap around the releasable strap arrangement 105 around the thorax of the user and fasten the sling accordingly by means of the Velcro quick fix strap 115.
  • the releasable strap arrangement 105 is made out of preferably a low profile, lightweight breathable material such as cotton.
  • the strap releasable strap arrangement 105 can be made out of other suitable materials that offers practical advantages not limited to breathable, washable and lightweight.
  • the temperature measuring device 120 is adapted to communicate wirelessly with a mobile communication device 110 as will be described in further details below.
  • the temperature measuring device may be retained in place in the patient's axilla by means of an adhesive patch placed over the device 120 in such a manner that the device 120 is held in place against the patient's skin at their axilla.
  • the adhesive patch used in conjunction with the sensor device 120 is custom made and designed to conform to the contours of the device 120.
  • the patch material and adhesive is preferably hypoallergenic and easy to remove in order to minimise any possible discomfort the patient may experience upon removal of the patch.
  • the temperature measuring device 120 may comprise a computing device 200, as shown in Figure 2, on which the various embodiments described herein may be implemented.
  • the steps of the method for controlling operation of the computing device may be implemented as computer program code instructions executable by the computing device.
  • the computer program code instructions may be divided into one or more computer program code instruction libraries, such as dynamic link libraries (DLL), wherein each of the libraries performs one or more steps of the method. Additionally, a subset of the one or more of the libraries may perform graphical user interface tasks relating to the steps of the method.
  • DLL dynamic link libraries
  • the computing device 200 comprises semiconductor memory 210 comprising volatile memory such as random access memory (RAM) or read only memory (ROM).
  • RAM random access memory
  • ROM read only memory
  • the memory 210 may comprise either RAM, ROM, or flash memory or a combination of RAM, ROM and flash memory.
  • the temperature measuring device 120 comprises a computer program code storage medium reader 230 for reading the computer program code instructions from computer program code storage media 220.
  • the storage media 220 may be optical media such as CD-ROM disks, magnetic media such as floppy disks and tape cassettes or flash media such as USB memory sticks.
  • the temperature measuring device comprises embedded (non-removable) flash memory.
  • the device further comprises I/O interface 240 for communicating with one or more peripheral devices.
  • the I/O interface 240 may offer both serial and parallel interface connectivity.
  • the I/O interface 240 may comprise a Small Computer System Interface (SCSI), Universal Serial Bus (USB) or similar I/O interface for interfacing with the storage medium reader 230.
  • the I/O interface 240 may also communicate with one or more human input devices (HID) 260 such as keyboards, pointing devices, joysticks and the like.
  • the I/O interface 240 may also comprise a computer to computer interface, such as a Recommended Standard 232 (RS-232) interface, for interfacing the temperature measuring device 120 with one or more personal computer (PC) devices 290.
  • the I/O interface 240 may also comprise an audio interface for communicate audio signals to one or more audio devices 1050, such as a speaker or a buzzer.
  • the temperature measuring device 120 also comprises a network interface 270 for communicating with one or more computer networks 280.
  • the network 280 may be a wired network, such as a wired EthernetTM network or a wireless network, such as a BluetoothTM network (in particular Bluetooth low energy or Bluetooth LETM or Bluetooth SmartTM) or IEEE 802.1 1 network.
  • the network 280 may be a local area network (LAN), such as a home or office computer network, or a wide area network (WAN), such as the Internet or private WAN.
  • LAN local area network
  • WAN wide area network
  • the system preferentially utilises a wireless network for transmitting temperature signals from the temperature measuring device and uses a novel approach to maximise the range of the wireless communication between the temperature measurement device 120 and with application software stored on a mobile computing device and thus to transmit instantaneous or continuous temperature signal detected by the temperature measuring device 120. .
  • the temperature measuring device 120 only broadcasts the temperature information to the mobile computing device 110 paired therewith and does not receive any return signals from the mobile computing device 110. In preferred arrangements, no data is sent from the mobile computing device 110 to the temperature measuring device 120 after initial set-up or 'pairing' of the mobile computing device 110 to the temperature measuring device 120.
  • the custom antenna is shown in Figure 3A as PCB trace antenna 351 extending along the outer periphery (edge) of PCB 350.
  • PCB Trace antenna 351 ensures the optimal level of power is radiated by the device 120 while also limiting the radiation being transmitted into the body of a user. This is achieved by careful design of the position and length of the antenna on the sensor.
  • the antenna is a PCB etched antenna 351 that traces around the outer periphery of the PCB board 350 and is located on both top and bottom layers of the PCB 350 (via stitching used to connect top and bottom layers).
  • the length of the antenna 351 in combination with impedance matching components ensures the impedance seen by the transceiver is 50 ohms. This impedance is tuned to suit an operating centre frequency of 2.4 GHz.
  • PCB antenna 351 was designed and is realised in the present device as antenna 351 on PCB 350.
  • the PCB antenna 351 was designed to 1 ) provide a suitably high bandwidth so that any detuning would have minimal impact on the broadcast efficiency; 2) tune the antenna to provide maximum RF efficiency when the device is present under the patient's arm; and 3) design a uniform radiation pattern to enable similar RF performance from either side of the child's arm (i.e. forwards and backwards) and not directed into the patient's arm or body.
  • PCB antenna designs were tested including a standard inverted F, with varying results.
  • the final antenna solution 351 took into account the small size of the device (particularly PCB 350) and therefore available room for the antenna, the distance between the antenna trace and ground plane, and the distance between the antenna and device enclosure.
  • the temperature measuring sensor is also required to provide a suitable ground plane for the antenna to maximize its broadcast efficiency, and ensure that the RF energy doesn't affect the precision temperature readings due to the proximity of the antenna to the analogue temperature sensing circuitry.
  • trace antenna 351 Further difficulties overcome in design of trace antenna 351 were the physical constraints such as components (located on the PCB 350), proximity to the charging pins for the device (located at the bottom of the PCB) and proximity to the solder connection points for the temperature sensor itself. To increase the antenna bandwidth, a double sided PCB etch was designed with through-hole vias to couple both sides of the antenna trace 351.
  • PCB trace antenna 351 as shown in Figure 3A was chosen over other options due to the fact that it would offer the highest performance solution.
  • the implementation of a chip antenna (which would use less space on PCB 350 than a trace antenna) was considered, however, such chip antennas offer a lower antenna gain figure and the radiated radiation pattern of the chip antenna is far less predictable and consistent - which would result in less predictable range performance of the device 120.
  • the advantages of the trace antenna utilised in the present device 120 outweigh any disadvantages typical of trace antennas using more space than alternative solutions. Such advantages include significant directional broadcast signal being emitted from the device 120 away from the patient's body or arm and thus providing a significantly increased broadcast range.
  • the use of a trace antenna 351 around the outer periphery of the PCB 350 ensures maximum power is radiated out from the edges of the PCB 350, which is optimal for the nature of use of the device (i.e. adapted to be used under the armpit of the subject), and also provides the significant advantage of minimising the amount of energy radiated directly into the body where it would be attenuated significantly or even completely absorbed by the subject/patient, hence placing severe restrictions on the range performance of device 120.
  • the second aspect of the design is the use of one way wireless beacons.
  • beacons By using beacons to transmit the temperature, the system is able to ensure that by increasing the output transmitter power level, a higher operational range can be achieved between the temperature measuring device 120 and the paired mobile computing device 110. Should a two way communication approach have been used, such increased range could not be guaranteed since it is far more difficult to deliver an equivalent increase in transceiver receive sensitivity. Given this is case, it would not be possible to ensure a balanced link budget and therefore the range would be lower than that achieved by the presently described system utilising predominantly or exclusively one-way signals transmitted by the temperature measuring device 120 to the mobile computing device 110.
  • the temperature measuring device 120 comprises an arithmetic logic unit/processor/microcontroller 1000 for performing the computer program code instructions.
  • the processor 1000 may be a reduced instruction set computer (RISC) or complex instruction set computer (CISC) processor or the like.
  • the temperature measuring device 120 further comprises a storage device 1030, such as a magnetic disk hard drive or a solid state disk drive.
  • the temperature measuring device comprises embedded (non-removable) flash memory.
  • Computer program code instructions may be loaded into the storage device 1030 from the storage media 220 using the storage medium reader 230 or from the network 280 using network interface 270. Alternatively, the program code instructions may be loaded directly from a computing device through the use of a programming adapted configured to write the code to memory associated with and accessible by the microcontroller.
  • an operating system and one or more software applications are loaded from the storage device 1030 into the memory 210.
  • the processor 1000 fetches computer program code instructions from memory 210, decodes the instructions into machine code, executes the instructions and stores one or more intermediate results in memory 200.
  • the instructions stored in the memory 210 when retrieved and executed by the processor 1000, may configure the computing device as a special-purpose machine that may perform the functions described herein.
  • the temperature measuring device 120 also comprises a communication bus subsystem 250 for interconnecting the various devices described above.
  • the bus subsystem 250 may offer parallel connectivity such as Industry Standard Architecture (ISA), conventional Peripheral Component Interconnect (PCI) and the like or serial connectivity such as PCI Express (PCIe), Serial Advanced Technology Attachment (Serial ATA) and the like.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component Interconnect
  • PCIe PCI Express
  • Serial Advanced Technology Attachment Serial ATA
  • the temperature measuring device 120 may comprise an internal communication bus system such, as for example, SPI, I2C and/or UART as would be appreciated by the skilled addressee.
  • the temperature measuring device 120 may comprise at least one sensing means where the at least one sensing means may comprise a temperature sensor 1140 operably adapted to the processor 1000 via the I/O interface 240 that is configured to measure an instantaneous or continuous temperature of the person or patient 101 so as to generate an instantaneous or continuous temperature data.
  • the temperature sensor 1140 is implemented as negative temperature coefficient (NTC) thermistors that exhibit a decrease in electrical resistance when subjected to an increase in body temperature.
  • NTC negative temperature coefficient
  • PTC positive temperature coefficient
  • thermocouples thermocouples
  • resistance thermometer silicon band-gap temperature sensor
  • silicon band-gap temperature sensor Even though theoretically simple mechanical temperature sensor such as a thermometer or a bimetal sensor may be used as the temperature sensing means 1140, mechanical temperature sensors would realistically require electrical transducing means to convert the temperature readings into electrical signals for subsequent processing.
  • the temperature measuring device obtains an initial, 'raw' temperature reading in a suitable format, for example, in units of ADC counts.
  • a numerical model is next applied to the raw temperature data to convert the measured value into an actual sensed temperature.
  • a particularly useful example of such a model would be either an exponential or a polynomial model as would be appreciated by the skilled addressee.
  • a numerical model may also be employed to increase the time response of the temperature measuring device 120 in terms of the time required to acquire an initial measurement of the patient's body temperature.
  • the model may be applied to the output of the device to improve the time to acquiring a first accurate temperature reading.
  • the preliminary issue with achieving the first reading with a desired level of accuracy is that the temperature sensor itself is slow to respond and will typically need some time to settle (which can be the order of minutes).
  • the response curve of the temperature over time is observed in order to determine an estimate of the expected plateau level.
  • the instructions stored in the memory 210 when retrieved and executed by the processor 1000, may monitor the instantaneous or continuous temperature data and to calibrate the instantaneous or continuous temperature data in accordance with either an exponential or a polynomial model to provide a calibrated instantaneous or continuous temperature data.
  • the calibration algorithm effectively models the response of the temperature sensor 1140 and thereby ensures that the measured temperature is within the final accuracy of 0.2 e C of the patient's actual body temperature.
  • an exponential or a third order polynomial calibration model may be expected. It can be assumed that in other embodiments, other calibration models may be used specific to the type of temperature sensor 1140 employed as would be appreciated by the skilled addressee.
  • one possible approach is to ensure that all the components of the device (e.g. electronic components) which are associated with the temperature measurement circuit are of sufficiently high precision such that no calibration of the individual components or compensation factor required to be included in the calculation components is required in production.
  • a possible alternative approach is to carry out a calibration routine to measure the actual values of components and their characteristics in the circuit which are then factored in to the temperature calculation components or software algorithms. The former approach typically will result in a higher unit cost per device while the latter requires more time during device production to perform the calibration routines.
  • the device uses a high precision thermistor that does not need to be calibrated (since it is difficult and time consuming to calibrate this component in production) but is combined with supporting components having lower precision characteristics that can be conveniently calibrated during production.
  • there are a number of variables and/or compensation coefficients that must be determined during production of the device for example:
  • the value of the resistor in the bridge and voltage of the bridge supply can be measured directly.
  • the gain and offset voltages must be calculated. This is achieved by replacing the thermistor with 2 resistors of known values. This then provides two sets of input and output data values for the op amp, which permits solving for the gain and offset values of the circuitry.
  • the instructions stored in the memory 210 when retrieved and executed by the processor 1000, may estimate the instantaneous or continuous temperature data in accordance with an initial temperature data that is obtained based on an initial temperature when initialising/powering up the temperature measuring device 120.
  • the algorithm in the form of the instructions stored in the memory 210 reduces the temperature settling time (typically several minutes) to achieve a faster temperature read-out that is reflective of the user's actual body temperature.
  • the instructions stored in the memory 210 when retrieved and executed by the processor 1000, may additionally convert the instantaneous or continuous temperature data to a body temperature data that reflects the core body temperature of the person.
  • the instructions stored in the memory 210 when retrieved and executed by the processor 1000, may further expressly detect the presence of fever in accordance with a pre-defined threshold data from published fever protocols in Australia and UK.
  • the temperature measuring device 120 may further comprise at least one of an audio alarm 1110, a light emitting means 1120 (e.g. a light emitting diode), and alarm triggering means e.g. the HID 260 being implemented as a button, and a rechargeable battery 1130.
  • the audio alarm 1110 and the light emitting means 1120 may be operably coupled to the processor 1000 through the I/O interface 240.
  • the rechargeable battery 1130 is adapted to power the temperature measuring device 120 via suitable power control circuitry (not shown) and store the power during charging via charging pins.
  • the audio alarm 1110 refers to a device for attracting attention by emitting sound (a siren) that can be activated by the mobile communication device 110 in case of misplacement.
  • the temperature measuring device 120 may be adapted to further send data (e.g. SMS, status of the temperature measuring device 120) via the network interface 270.
  • the instructions stored in the memory 210 when retrieved and executed by the processor 1000, manages the distribution and energy usage in the temperature measuring device 120.
  • the temperature measuring device 120 is in a state of very low power consumption allowing for sufficient power to be stored for usage of the temperature measuring device 120 for a period of time greater than 12 months from a single recharge of the device batteries.
  • the deep sleep mode is adapted to allow the temperature measuring device 120 to take temperature measurements with very little electrical power consumption.
  • the instructions stored in the memory 210 may have effectively require the processor 1000 to configure the network interface 270 or the energy thereof accordingly as a function of the instantaneous or continuous temperature data to conserve in electric power in the rechargeable battery 1130.
  • Waking up from the deep sleep mode may be achieved when the temperature exceeds a prior defined operational temperature such as 28 e C, for example when the device is engaged with the torso of a user and the temperature recorded by the temperature measured by the temperature sensor begins to rise in the user's body temperature (which will typically be greater than 28°C).
  • a prior defined operational temperature such as 28 e C
  • the operations temperature at which the temperature measuring device is placed into a 'ready' state for the taking of temperature measurements would advantageously be set to be less than the extreme minimum body temperature tolerable by the human body (e.g. body temperatures of less than 35°C are considered to be in a state of hypothermia) although the ambient air temperature must also be considered and it would be undesirable for the temperature measuring device constantly turned itself on (i.e. is in the 'ready' state) whenever the air temperature reaches a particular value.
  • the device may be adapted to transition to active/operational state when it leaves deep sleep.
  • the relevant transition temperature may be 28 degrees C.
  • the device may optionally further comprise a power override switch to manually place the temperature measuring device into a 'ready' state whereby temperature measurements of the user are taken and displayed.
  • a power override switch to manually place the temperature measuring device into a 'ready' state whereby temperature measurements of the user are taken and displayed.
  • the battery may be electronically disconnected from the device's operational circuitry while it is inside the packaging. This would ensure that the device would have a significant shelf life (typically about 9 months and potentially up to about 12 months or more) without the need for the user to take any special action to get the product operational for first or even subsequent uses.
  • the hibernation system involves two key components: the device itself; and a docking/charging station.
  • An electronic switch incorporated into the device is adapted to detect when the charging station is not connected to an external power supply. When this occurs, the switch places the device into hibernation mode.
  • One example means of achieving this is to disconnect the battery from the circuit.
  • the docking station is responsible for indicating to the device when the charging station is connected to the power supply. It achieves this by having a sufficiently low value of resistance ( ⁇ 1 M ohm) connected between the pins. When no external power supply is connected, this serves as a weak pull down to activate the hibernate mode in the device. When external power is supplied or the unit is disconnected from the docking station, the device no longer has this weak pull down present across the charging pins and leaves the hibernate state. As such, to enable the hibernate mode, the device simply needs to be inserted into the docking station without any external power supplied (as will be the case while the product is inside its packaging). This also has a significant advantage for the shelf life of the battery charge between uses.
  • the user merely has to disconnect the docking station from the power supply to disconnect the internal battery from the device circuitry and thus substantially eliminate or at least minimise any discharging of the battery whist the device is stored in the docking station between uses.
  • the instructions stored in the memory 210 may switch off other components in the system if such components are not required.
  • temperature measuring device 120 is actively waiting for connection to a mobile communication device 110 with low duty cycle so as to further conserve electrical power consumption.
  • the temperature measuring device 120 is actively measuring and transmitting the body temperature data to be mobile communication device 110 via the network interface 270.
  • the temperature measuring device 120 may be adapted for emitting light to draw attention in case of misplacement.
  • the temperature measuring device 120 may comprise more than one light emitting means 1120.
  • the light emitting means 1120 may be a light emitting diode (LED).
  • LED light emitting diode
  • suitable coloured light emitting diodes of a brightness level of approximately 10 lumens may be used. Even though different combinations of LED colours brightness level may be used, effectively the combinations may include blue coloured LEDs with brightness of approximately 10 lumens.
  • light emitting diodes of a different colour and brightness level may be used to attract attention depending on application.
  • red coloured LEDs of sufficient brightness levels may be employed.
  • a combination of Red, Green and Blue LEDs may be used in conjunction with a suitable LED controller to allow selection of any desirable colour as would be appreciated by the skilled addressee.
  • the light emitting means 1120 may be operably configured such that when the alarm triggering means is activated remotely by the mobile communication device 110, light emitting means 1120 may emit light intermittently or flashes repeatedly.
  • the microcontroller may be configured to cause the light emitting means 1120 to flash.
  • An alternate arrangement of implementing continuous flashes may be achieved with the coupling of a dedicated timer clock integrated circuit chip such as a 555 timer operating in an astable mode that repetitively turns on and off the connected LEDs 1120 thus causing it to flash.
  • the frequency of the flash can be adjusted by suitable potentiometers.
  • Another arrangement may include instructions from the processor 1000 as part of the program in iterative toggling the LEDs 1120 between the states.
  • the audio alarm 1110 may be adapted for emitting an alarm sound with gradually increasing volume in one arrangement.
  • the audio alarm 1110 may also be configured with a steady volume in another arrangement. Variation of the volume may be otherwise configured depending on application.
  • the temperature sensing means 1140 may be operably coupled to the network interface 270 for sending relevant temperature data and other suitable data through the network interface 270 or a wireless communication interface.
  • the temperature measuring device 120 may additionally be configured to store the temperature data in the storage device 1030, the storage media 120, or the storage medium reader 130 in the manner described above.
  • FIG. 3B depicts an exemplary front exterior surface 300 of the preferred embodiment of the temperature measuring device 120.
  • the temperature measuring device 120 is generally triangular shaped, where the vertex areas 310 are rounded.
  • the triangular shape 300 can be either an isosceles triangle where at least two sides of the triangle have approximately the same length or an equilateral triangle where all three sides of the triangle have approximately the same length.
  • the maximum height range of the triangle may be between 20 to 50 millimetres (mm) and preferably about 35 mm.
  • the maximum width range may be 20 to 50 mm and preferably approximately 33 mm.
  • the specific design shape, smooth surface finishing and the physical dimensioning ensures that the temperature measuring device 120 may measure the temperature of the user reliably without subjecting the user to unnecessary discomfort.
  • FIG. 4 shows the opposing external side 400 to the front exterior surface 300 of the temperature measuring device 120.
  • the temperature sensor 1 140 is located at one vertex of the inner exterior side 400 of the temperature measuring device 120.
  • a pair of charging contacts 410 and 405 respectively corresponds to either opposing signs of the voltage terminals.
  • the temperature measuring device 120 has a maximum thickness of approximately 10 mm and preferably 5 mm as shown in the side view of the temperature measuring device 120 in Figure 5.
  • the external outer and inner sides are shown as 300 and 400 respectively.
  • the body temperature data transmitted by the temperature measuring device 120 may be received by the mobile communication device 110 that is implemented in a similar fashion to the system diagram in Figure 2 described above without the temperature sensor 1140.
  • the software application also commonly known in the mobile computing as an 'app' is used for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, Objective C, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages.
  • the app is designed to run on smartphones, tablet computers, laptops, desktop computers and other similar mobile computing devices and is available through application distribution platforms such as the Apple App StoreTM, Google PlayTM, Windows Phone StoreTM, and BlackBerry App WorldTM.
  • the application is stored as computer program code instructions that may be loaded into the storage device 1030 from the storage media 220 using the storage medium reader 230 or from the network 280 using network interface 270.
  • the user interface of the software application can be seen in Figure 6 where depending on the received body temperature data and pre-defined thresholds, colour coded indicators, similar to traffic lights may be illuminated as a means to alert the caretakers of the user.
  • the pre-defined threshold values may be set by the user of the mobile communication device or alternatively remotely obtained from databases for the express detection of fever or the related.
  • a warning alert e.g. a red light
  • the user interface of the software application interface 600 may light up or flash intermittently to alert caretakers on the seriousness and urgency of the situation.
  • the level and type of illumination may be configurable accordingly based on user preference.
  • Alternative alert means 610 may include and not limited to vibrating the mobile communication device 110, emission of a sound, such as an audible tone, or even transmitting a message to other mobile communication devices.
  • FIG. 7 shows a chart illustrating relevant historical measurements 710 to aid users in identifying possible anomalies as well as the most recent received body temperature data 705 either in the standard degrees Celsius or Fahrenheit. While a specific representation of received body temperature data has been shown in this preferred embodiment, it can be understood that in general, other forms of representation of the acquired body temperature data may be applicable in alternative embodiments.
  • the invention may be embodied using devices conforming to other network standards and for other applications, including, for example other WLAN standards and other wireless standards.
  • Applications that can be accommodated include BluetoothTM, IEEE 802.1 1 wireless LANs and links, and wireless Ethernet.
  • wireless and its derivatives may be used to describe circuits, devices, systems, methods, techniques, communications channels, etc., that may communicate data through the use of modulated electromagnetic radiation through a non-solid medium. The term does not imply that the associated devices do not contain any wires, although in some embodiments they might not.
  • wired and its derivatives may be used to describe circuits, devices, systems, methods, techniques, communications channels, etc., that may communicate data through the use of modulated electromagnetic radiation through a solid medium. The term does not imply that the associated devices are coupled by electrically conductive wires.
  • processor may refer to any device or portion of a device that processes electronic data, e.g., from registers and/or memory to transform that electronic data into other electronic data that, e.g., may be stored in registers and/or memory.
  • a "computer” or a “computing device” or a “computing machine” or a “computing platform” may include one or more processors.
  • the methodologies described herein are, in one embodiment, performable by one or more processors that accept computer-readable (also called machine-readable) code containing a set of instructions that when executed by one or more of the processors carry out at least one of the methods described herein.
  • Any processor capable of executing a set of instructions (sequential or otherwise) that specify actions to be taken are included.
  • a typical processing system that includes one or more processors.
  • the processing system further may include a memory subsystem including main RAM and/or a static RAM, and/or ROM and/or flash memory.
  • a computer-readable carrier medium may form, or be included in a computer program product.
  • a computer program product can be stored on a computer usable carrier medium, the computer program product comprising a computer readable program means for causing a processor to perform a method as described herein.
  • the one or more processors operate as a standalone device or may be connected, e.g., networked to other processor(s), in a networked deployment, the one or more processors may operate in the capacity of a server or a client machine in server-client network environment, or as a peer machine in a peer-to-peer or distributed network environment.
  • the one or more processors may form a web appliance, a network router, switch or bridge, or any machine capable of executing a set of instructions (sequential or otherwise) that specify actions to be taken by that machine.
  • each of the methods described herein is in the form of a computer-readable carrier medium carrying a set of instructions, e.g., a computer program that are for execution on one or more processors.
  • a computer-readable carrier medium carrying computer readable code including a set of instructions that when executed on one or more processors cause a processor or processors to implement a method.
  • aspects of the present invention may take the form of a method, an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects.
  • the present invention may take the form of carrier medium (e.g., a computer program product on a computer-readable storage medium) carrying computer-readable program code embodied in the medium.
  • the software may further be transmitted or received over a network via a network interface device.
  • the carrier medium is shown in an example embodiment to be a single medium, the term “carrier medium” should be taken to include a single medium or multiple media (e.g., a centralized or distributed database, and/or associated caches and servers) that store the one or more sets of instructions.
  • the term “carrier medium” shall also be taken to include any medium that is capable of storing, encoding or carrying a set of instructions for execution by one or more of the processors and that cause the one or more processors to perform any one or more of the methodologies of the present invention.
  • a carrier medium may take many forms, including but not limited to, non-volatile media, volatile media, and transmission media.
  • some of the embodiments are described herein as a method or combination of elements of a method that can be implemented by a processor of a processor device, computer system, or by other means of carrying out the function.
  • a processor with the necessary instructions for carrying out such a method or element of a method forms a means for carrying out the method or element of a method.
  • an element described herein of an apparatus embodiment is an example of a means for carrying out the function performed by the element for the purpose of carrying out the invention.
  • a device A connected to a device B should not be limited to devices or systems wherein an output of device A is directly connected to an input of device B. It means that there exists a path between an output of A and an input of B which may be a path including other devices or means.
  • Connected may mean that two or more elements are either in direct physical or electrical contact, or that two or more elements are not in direct contact with each other but yet still co-operate or interact with each other.
  • exemplary is used in the sense of providing examples, as opposed to indicating quality. That is, an "exemplary embodiment” is an embodiment provided as an example, as opposed to necessarily being an embodiment of exemplary quality for example serving as a desirable model or representing the best of its kind.
  • real time for example “transmitting data in real time” refers to the display of the data without intentional delay, given the processing limitations of the system and the time required to accurately measure the data.
  • near-real-time for example “obtaining real-time or near-real-time data” refers to the obtaining of data either without intentional delay (“real-time”) or as close to real-time as practically possible (i.e. with a small, but minimal, amount of delay whether intentional or not within the constraints and processing limitations of the of the system for obtaining and recording or transmitting the data.
  • a reference to "A and/or B", when used in conjunction with open-ended language such as “comprising” can refer, in one embodiment, to A only (optionally including elements other than B); in another embodiment, to B only (optionally including elements other than A); in yet another embodiment, to both A and B (optionally including other elements); etc.
  • the phrase "at least one,” in reference to a list of one or more elements, should be understood to mean at least one element selected from any one or more of the elements in the list of elements, but not necessarily including at least one of each and every element specifically listed within the list of elements and not excluding any combinations of elements in the list of elements.
  • This definition also allows that elements may optionally be present other than the elements specifically identified within the list of elements to which the phrase "at least one" refers, whether related or unrelated to those elements specifically identified.
  • “at least one of A and B" can refer, in one embodiment, to at least one, optionally including more than one, A, with no B present (and optionally including elements other than B); in another embodiment, to at least one, optionally including more than one, B, with no A present (and optionally including elements other than A); in yet another embodiment, to at least one, optionally including more than one, A, and at least one, optionally including more than one, B (and optionally including other elements); etc.

Abstract

L'invention concerne un dispositif de mesure de température pour mesurer une température instantanée ou continue d'un utilisateur au niveau de son aisselle, le dispositif de mesure de température comprenant : un processeur pour traiter des données numériques ; un dispositif de mémoire pour stocker des données numériques comprenant un code de programme d'ordinateur et être couplé au processeur ; un capteur de température conçu pour détecter la température instantanée ou continue de l'utilisateur en utilisation, et être couplé au processeur pour délivrer des données de température instantanée ou continue au processeur ; et une interface de communication sans fil conçue pour transmettre des données, l'interface de communication sans fil est couplée de façon fonctionnelle au processeur pour une transmission unidirectionnelle des données de température instantanée ou continue par l'intermédiaire de l'interface de communication sans fil en utilisation. L'invention concerne également un agencement de sangle amovible à attacher à un utilisateur, comprenant une partie accessoire conçue pour soutenir un accessoire, l'agencement de sangle étant de telle sorte que, en utilisation, la partie accessoire est située à proximité d'une aisselle de l'utilisateur. L'invention concerne également un dispositif de communication mobile pour alerter un utilisateur, le dispositif de communication mobile comprenant : un processeur pour traiter des données numériques ; un dispositif de mémoire pour stocker des données numériques comprenant un code de programme d'ordinateur et être couplé au processeur, et une interface de communication sans fil pour envoyer et recevoir des données numériques à travers un réseau de données, le processeur étant commandé par le code de programme d'ordinateur pour : recevoir, par l'intermédiaire de l'interface de communication sans fil, des données de température corporelle provenant d'un dispositif de mesure de température ; et alerter l'utilisateur en fonction des données de température corporelle.
PCT/AU2015/000587 2014-09-24 2015-09-24 Dispositif de mesure de température et système pour communiquer une température corporelle WO2016044881A1 (fr)

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AU2014903816A AU2014903816A0 (en) 2014-09-24 A releasable strap arrangement, a temperature measuring device and a system for communicating a body temperature
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EP3470805A4 (fr) * 2017-08-01 2020-04-15 Try And E Co., Ltd Procédé d'étalonnage de capteur de température
US10716912B2 (en) 2015-03-31 2020-07-21 Fisher & Paykel Healthcare Limited User interface and system for supplying gases to an airway
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US10716912B2 (en) 2015-03-31 2020-07-21 Fisher & Paykel Healthcare Limited User interface and system for supplying gases to an airway
US11904097B2 (en) 2015-03-31 2024-02-20 Fisher & Paykel Healthcare Limited User interface and system for supplying gases to an airway
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