WO2005046466A1 - Systeme de capteurs destine a determiner l'etat vital d'une personne sous surveillance medicale - Google Patents

Systeme de capteurs destine a determiner l'etat vital d'une personne sous surveillance medicale Download PDF

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Publication number
WO2005046466A1
WO2005046466A1 PCT/EP2004/012038 EP2004012038W WO2005046466A1 WO 2005046466 A1 WO2005046466 A1 WO 2005046466A1 EP 2004012038 W EP2004012038 W EP 2004012038W WO 2005046466 A1 WO2005046466 A1 WO 2005046466A1
Authority
WO
WIPO (PCT)
Prior art keywords
vital
sensor arrangement
sensor
person
parameters
Prior art date
Application number
PCT/EP2004/012038
Other languages
German (de)
English (en)
Inventor
Robert Schmidt
Joachim Mörsdorf
Christian Weigand
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
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
Application filed by Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of WO2005046466A1 publication Critical patent/WO2005046466A1/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
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/332—Portable devices specially adapted therefor
    • 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
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6824—Arm or wrist

Definitions

  • Sensor arrangement for determining the vital state of a person to be medically monitored
  • the present invention relates to a sensor arrangement for determining the vital state of a person to be monitored medically, and in particular to a sensor arrangement for monitoring and evaluating a plurality of detected vital parameters of a person to be monitored, in order to provide reliable and qualified care provided by a technical measuring device medically monitored persons, such as people in need of care,
  • P is known for the blood pressure measurement that the person to be medically monitored can use in his familiar environment.
  • Finger clip sensors which can also be used as a fingerprint clip sensors
  • Invasive oximeter arrays are generally used to determine the oxygen saturation in the human blood of the person to be monitored. With the help of optical scatter measurements on parts of the body through which the surface flows, such as earlobes or fin tips, you get a measure of the absorption coefficient of the blood.
  • the size of the absorption coefficient of blood is strongly dependent on the oxygen content in red light and almost independent of it in light in the near infrared range.
  • a measure of the oxygen saturation of the blood can be obtained by measuring the intensity ratio of the light in both wavelength ranges.
  • the cuff When measuring blood pressure with a blood pressure monitor using a wrist cuff, the cuff is placed around the person's wrist before air is pumped into the air bag of the wrist cuff with an air pump. The forearm is thus pressed together by the wrist cuff, in which state the arterial pulse wave is transmitted to the blood pressure monitor and converted there into an electrical signal. The electrical signal is then fed to an electronic circuit, by means of which the blood pressure of the person to be medically monitored is measured or determined.
  • the object of the present invention is to provide a sensor arrangement for the reliable determination of various vital parameters
  • the present invention provides a sensor arrangement for determining various vital parameters of a person to be medically monitored, the sensor arrangement being arranged around an extremity of the person to be monitored, and a carrying strap for enclosing the extremity, a plurality of sensor elements for detecting the various vital parameters, whereby the sensor elements are arranged on the carrying band on one side of the carrying band facing the extremity, and have a transmitting unit for wireless transmission of vital information based on the acquired vital parameters.
  • the present invention is based on the knowledge that a multisensor data acquisition and evaluation, for example, is integrated in a wristband with event detection for medically expected events
  • 5 of the vital state of the person to be monitored can be connected in such a way that impending critical changes in the vital state of the person to be medically monitored may be detected before their occurrence, but later, at the latest when they occur, and by radio.
  • Wireless transmission to a corresponding higher-level entity such as a monitoring device, for example, which is connected to an emergency center, can be signaled.
  • the sensor arrangement according to the invention is arranged on a carrying strap that encloses an extremity of the person to be medically monitored, the carrying band being designed, for example, as a bracelet for enclosing the wrist of the person to be medically monitored.
  • the sensor arrangement according to the invention can be worn according to a wristwatch by the respective person or patient, even during everyday work. Since the sensor arrangement according to the invention has a plurality of different sensor elements
  • the present sensor arrangement according to the present invention also enables suitable signaling and visualization of the state information relating to the vital state to the person concerned and to a higher-level care facility via wireless, radio-based communication methods.
  • the sensor arrangement according to the invention enables a real-time data transmission of the various determined vital parameters from the sensor arrangement to be carried out wirelessly upon an explicit request or automatically at predeterminable intervals and in particular when a critical condition is detected to the superordinate care facility to clarify the current health status.
  • the sensor arrangement according to the invention can be used to determine, process and transmit body signals in the form of vital parameters, which can be used for a so-called “biofeedback”.
  • Biofeedback is the effect of physical / mental states on parameters of the vegetatively controlled organ system, e.g. (unconscious) breathing, heart rate, temperature, skin resistance (through sweating), etc.
  • Physiotherapists use biofeedback to help stroke patients reactivate their muscles.
  • psychotherapists use biofeedback to help tense or cramped patients relax.
  • the sensor arrangement according to the invention which is preferably designed as a wristband system, can be supplemented by further wirelessly networked sensor devices which can detect additional vital parameters and / or environmental influences and can be incorporated into the assessment of the current or expected vital status of the person to be medically monitored.
  • FIG. 1 shows a side view of the sensor arrangement according to the invention for determining various vital parameters of a person to be medically monitored
  • P Fig. 2 is a plan view of the sensor ⁇ arrangement according to the invention with an optional display panel.
  • the sensor arrangement 10 has a carrying strap 12 for enclosing an extremity and, for example, the forearm or wrist of the person to be medically monitored.
  • a plurality of sensor elements 14a are on the carrying band 12 on the side of the carrying band 12 facing the extremity. 14b, 14c, the sensor elements 14a-c being provided for detecting various vital parameters of the person to be medically monitored.
  • D arameter of the person to be medically monitored can be provided.
  • the sensor arrangement 10 also has a transmission unit 16. on, which is assigned to the sensor elements 14a-c, wherein
  • the transmitting unit 16 is provided to send so-called vital information based on the acquired vital parameters wirelessly, for example, to an externally arranged base station (not shown in FIG. 1) in the vicinity of the person to be monitored and from there to a higher-level care provider or directly to the higher-level one Submit supervisor.
  • the sensor arrangement 10 shown in P Fig. 1 is also assigned an evaluation device 18 which is provided to detect the sensor elements 14a-c to evaluate and further process vital parameters or the vital information of the person to be medically monitored based on the vital parameters acquired.
  • this evaluation device 18 is also on the carrying strap, as is shown by way of example in FIG.
  • the evaluation device 18 in this case being connected to the sensor elements 14a-14c in order to record the detected vital parameters, and is also assigned to the transmission unit 16 in order to trigger the wireless transmission of the vital information, the evaluation device 18 being provided to evaluate and process one or more of the detected vital parameters in order to analyze the current vital information or the current vital status (health or life status) ) of the person to be medically monitored.
  • the evaluation device 18 can also be arranged externally to the sensor arrangement 10 and implemented, for example, in an assigned base station, but essentially the same radio
  • the carrying strap 12 for enclosing an extremity of the person to be medically monitored is designed, for example, as a bracelet body, on the inside of which miniaturized, primarily non-invasive sensor elements are arranged or introduced, around which record various vital parameters to be recorded.
  • Any sensor elements can generally be used as sensor elements 14a-c with
  • Temperature temperature sensor semiconductor-based or use of material properties, e.g. changes in resistance
  • Pulse e.g. Piezoelectric pressure transducer
  • the arrangement of the sensor elements 14a-c on the inside of the lanyard which is designed, for example, as a bracelet for the wrist, is selected on the basis of the physiological conditions on the extremities of the human being, since numerous arteries run close to the skin surface at this point, which is a prerequisite for example for the Sp0 2 measurement (blood oxygen saturation measurement).
  • the flat arrangement of arteries in this body area in the extremities and especially in the wrist area ensures a certain resistance of the sensor arrangement to misplacement of the lanyard, for example when the lanyard is related to the extremity slip.
  • the carrying strap 12 of the sensor arrangement 10 according to the invention can be attached to the extremity with a relatively low tension. As a result, the acceptance of the sensor arrangement 10 according to the invention for the person equipped with it can be significantly increased.
  • the vital parameters to be recorded are, for example, the pulse, the blood oxygen saturation (pulse), the blood oxygen saturation (pulse), the blood oxygen saturation (pulse), the blood oxygen saturation (pulse), the blood oxygen saturation (pulse), the blood oxygen saturation (pulse), the blood oxygen saturation (pulse), the blood oxygen saturation (pulse), the blood oxygen saturation (pulse).
  • a Sp0 2 sensor blood oxygen saturation sensor
  • a temperature sensor 14b and an electrode 14c for a single-channel ECG can accordingly be located on the inside of the carrying strap 12, for example.
  • a second electro-Pde is required to detect it, which is attached, for example, to the chest of the person to be medically monitored.
  • This second electrode is now connected to the sensor arrangement 10 according to the invention, for example via a cable.
  • the temperature sensor 14b used it should be noted that according to the sensor arrangement 10 according to the invention, for example, a separate temperature sensor 14b can be used. It should also be noted that some Sp0 2 sensors 14b have integrated temperature Have sensors that can be used to compensate for the temperature drift of the Sp0 2 sensors and in particular the LEDs (light-emitting diodes) used in these sensors.
  • a further temperature sensor (not shown in FIG. 1) for detecting the ambient temperature can be used on the outside of the carrying band 12.
  • an evaluation device 18 is preferably arranged on the carrying band 12, wherein the miniaturized evaluation device 18 is electrically connected to the sensor elements 14a-c) arranged on the carrying belt 12.
  • the evaluation device 18 has, for example, a microcontroller (microcontroller) with a storage device and peripheral equipment.
  • the (used) microcontroller contains essential components such as RAM, ROM, clock generation etc. on the chip, in this context, for example, peripheral equipment
  • the evaluation device 18 can advantageously be used to control the entire sensor arrangement 10 ′′ according to the invention, the control device 18 preferably
  • the measurement data processing i.e. the processing of the vital parameters recorded
  • the event detection i.e. the detection of the current or impending vital state of the person to be medically monitored, as well as their signaling and transmission, i.e. Trigger the transfer
  • An evaluation algorithm is now integrated in the evaluation device 18, for example, which examines the acquired vital parameter data for medically relevant events in order to carry out an emergency detection, for example.
  • the examination of the vital parameter data can now be achieved according to the invention on the one hand by evaluating individual signal profiles of the vital parameters as well as by a suitable combination of different signal profiles of the vital parameters in order to make statements about the current and / or the expected vital state of the person to be medically monitored.
  • the momentary vital information determined by the evaluation device 18 can now contain different information, such as status information or status messages about the current vital condition, real-time measurement data in the form of the measured values of the detected vital parameters and / or an alarm signal regarding the vital condition of the waking person.
  • the alarm signal which can be transmitted by the transmitting unit, can, for example, indicate a specific critical vital state of the person to be examined medically or an impending critical vital state and can be transmitted as a precaution.
  • the vital information can, for example, from the "transmitter 16 to an external base station (not shown in
  • a communication device e.g. Telephone, mobile phone, Internet etc.
  • a higher-level central or care facility to clarify the state of health of the person to be medically monitored
  • the transmitting unit 16 transmits the vital information directly to the higher-level central office or the care facility.
  • the evaluation device 18 arranged on the carrying strap 12 adjusts the time interval between the detection of the vital parameters by the sensor elements 14a-c based on the evaluated vital parameters or based on the vital information.
  • the sensor arrangement 10 according to the invention is designed as an independent monitoring system, it is preferable se also arranged or integrated a battery in the carrying strap 12, which is used to fasten the sensor arrangement 10 according to the invention to the patient's arm.
  • the battery can be constructed, for example, from a flexible polymer battery, wherein essentially any battery arrangement can be used to supply energy to the electronic components of the sensor arrangement 10 according to the invention.
  • the evaluation device 18 can set the time interval between the acquisition times of the vital parameters as well as the time interval between the transmission times of the vital information depending on the respective detected vital condition - of the person to be medically monitored,> it is also possible to operate the sensor arrangement 10 according to the invention very energy-saving and therefore designed for a long battery life. Very long operating intervals of the sensor arrangement 10 according to the invention
  • the sensor arrangement 10 can optionally have a display 20, for example by LEDs (light-emitting diodes) or also as a display panel, as detailed in this is shown in Fig. 2 is executed.
  • a display 20 for example by LEDs (light-emitting diodes) or also as a display panel, as detailed in this is shown in Fig. 2 is executed.
  • the transmission unit 16 controlled by the evaluation device 18 sends so-called status messages, alarm signals and / or real-time measurement data to a higher-level central office or support center. punch or transmitted via a base station to this higher-level instance, the transmitting unit 16 also being able to be assigned a receiving unit (not shown in FIGS. 1 and 2) which receive messages from the higher-level instance 5 (for example via the base station or also directly) can. These messages can also be displayed on the display panel 20. Furthermore, it is possible to display all status information, measurement values, values (vital parameters) and information relating to the com-
  • the display field 20 arranged on the upper side of the carrying band 12 can therefore display both the detected vital parameters as well as various status messages, with the status messages including information about the state of the battery and the radio connection.
  • the display panel can be made of a flexible substrate. Furthermore, the display of the time can be provided in the display field 20 for reasons of expediency and convenience.
  • FIG. 2 shows an exemplary embodiment of the display 20, with different vital parameters in different exemplary display areas 20a-d of the display field. 20 are shown.
  • the display area 20a shows the blood
  • the display area 20b indicates the body temperature (in ° C.)
  • the display area 20c indicates an EKG value (in bps)
  • the Darge in Fig. 2 ⁇ presented display panel 20 is merely optional, and when designed for a very simple operation Version no display field 20 is used in the sensor arrangement 10 according to the invention, but the status messages can be output via different or differently colored LEDs. For example, a green LED can be provided for displaying a detected vital state in the normal range and a red LED can be activated for displaying a recorded vital state outside the normal range.
  • the data collected is transferred, i.e. the vital information, via the transmitting unit 16, for example to an assigned base station (not shown) by means of wireless radio technology, the sensor arrangement 10 according to the invention not being
  • evaluation device it should also be noted that it is also conceivable that the evaluation device
  • the 3 device is arranged externally in an assigned base station, the detected and transmitted vital parameters being evaluated and processed only after transmission to the base station in the evaluation device arranged there in order to obtain the current vital information
  • the sensor arrangement 10 according to the invention can also have a receiving unit in addition to the transmitting unit 16, the receiving unit preferably also being assigned to the evaluation device 18 and is provided to provide further, remotely recorded vital parameters and / or environmental parameters of the evaluation device 18 in order to be able to evaluate the current vital information of the person to be medically monitored in even more detail.
  • the sensor arrangement 10 according to the invention can therefore be expanded to include further miniaturized sensor systems connected via a wireless body-near radio network for the detection of further body signals, such as information relating to breathing and also neurological information, or environmental parameters such as air pollution, due to pollutants in the environment of exhaust gases or toxic emissions, radioactivity, when assessing the vital state of the person to be medically monitored.
  • Such further sensor systems can include, for example, the following, but are not limited to the same.
  • the sensors for detecting environmental parameters can be arranged, for example, on the outside of the carrying strap of the sensor arrangement.
  • a temperature sensor for detecting the skin temperature on the inside of the carrying strap and a temperature sensor for detecting the ambient temperature on the outside of the " carrying strap " can be arranged.
  • a difference value can then be determined from the two recorded temperatures, using which Experience and calibration values can be concluded on the core temperature.
  • the requirements resulting from the sensor signals can be fulfilled for wireless communication, taking into account marginal parameters such as size and energy consumption, for example by means of the "Bluetooth” standard.
  • marginal parameters such as size and energy consumption, for example by means of the "Bluetooth” standard.
  • technologies such as the "ZigBee” standard or “MDMA” standard will also be conceivable.
  • the Bluetooth standard is based on the use of the "2.4 GHz Industrial Scientific Medicine” band, or 2.4 GHz ISM band for short, and is based on the applicable radio regulations for Europe, Japan and North America.
  • MDMA Multi dimensional multiple access
  • Nanotron Technologies is based on the worldwide reserved, license-free ISM band at 2.4 GHz.
  • the sensor arrangement 10 according to the invention makes it possible to provide a central component for an intelligent mobile patient monitoring system (monitoring system) by means of a life condition sensor arrangement to be worn on the wrist, for example.
  • the multi-sensor approach of the sensor arrangement 10 according to the invention in a carrying band can be expanded in the future to include a plurality of miniaturized sensor systems for the detection of various body signals, such as breathing, neurological signals, etc., or environmental parameters, such as air pollution, pollutants in exhaust gases or toxic emissions to be connected to each other via a wireless body-based radio network, whereby the determined vital parameters, vital information or instantaneous vital states or also possible changes in the state to be expected can be immediately transmitted to a higher-level care unit.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

L'invention concerne un système de capteurs (10) destiné à déterminer divers paramètres vitaux d'une personne sous surveillance médicale. Ledit système de capteurs (10) est disposé autour d'une extrémité de la personne et présente une bande de port (12) destinée à entourer l'extrémité, une pluralité d'éléments capteurs (14a-c) destinés à détecter les divers paramètres vitaux de la personne, disposés sur la bande de port (12), sur un côté orienté vers l'extrémité, et une unité d'émission (16) destinée à la transmission radio d'informations vitales sur la base des paramètres vitaux détectés.
PCT/EP2004/012038 2003-11-05 2004-10-25 Systeme de capteurs destine a determiner l'etat vital d'une personne sous surveillance medicale WO2005046466A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10352188.7 2003-11-05
DE10352188A DE10352188A1 (de) 2003-11-05 2003-11-05 Sensoranordnung zur Ermittlung des Vitalzustands einer medizinisch zu überwachenden Person

Publications (1)

Publication Number Publication Date
WO2005046466A1 true WO2005046466A1 (fr) 2005-05-26

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PCT/EP2004/012038 WO2005046466A1 (fr) 2003-11-05 2004-10-25 Systeme de capteurs destine a determiner l'etat vital d'une personne sous surveillance medicale

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DE (1) DE10352188A1 (fr)
WO (1) WO2005046466A1 (fr)

Cited By (7)

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Publication number Priority date Publication date Assignee Title
WO2008013506A1 (fr) * 2006-07-26 2008-01-31 Singapore Polytechnic Dispositif destiné à mesurer un paramètre physiologique chez un plongeur
US7809420B2 (en) 2003-06-25 2010-10-05 Nellcor Puritan Bennett Llc Hat-based oximeter sensor
US8257274B2 (en) 2008-09-25 2012-09-04 Nellcor Puritan Bennett Llc Medical sensor and technique for using the same
US8452367B2 (en) 2002-10-01 2013-05-28 Covidien Lp Forehead sensor placement
US8515515B2 (en) 2009-03-25 2013-08-20 Covidien Lp Medical sensor with compressible light barrier and technique for using the same
US8781548B2 (en) 2009-03-31 2014-07-15 Covidien Lp Medical sensor with flexible components and technique for using the same
CN106377232A (zh) * 2016-08-29 2017-02-08 苏州倍声声学技术有限公司 一种可穿戴式身体检测设备

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DE102006002851B4 (de) 2006-01-19 2015-02-19 Beurer Gmbh Vorrichtung zum Überwachen der körperlichen Fitness
DE102008042239A1 (de) 2007-09-22 2009-07-16 Papastefanou, Georgios, Dr. Band mit mindestens einem Sensor zur Befestigung an einem Bauteil
DE102014219408A1 (de) 2014-09-25 2016-04-14 Volkswagen Aktiengesellschaft Verfahren und Vorrichtung zur Einstellung eines thermischen Komfortzustandes

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US6287262B1 (en) * 1996-06-12 2001-09-11 Seiko Epson Corporation Device for measuring calorie expenditure and device for measuring body temperature
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DE10256233A1 (de) * 2001-12-19 2003-07-17 Giesecke & Devrient Gmbh Meßvorrichtung zur Erfassung einer physiologischen Meßgröße

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US5050612A (en) * 1989-09-12 1991-09-24 Matsumura Kenneth N Device for computer-assisted monitoring of the body
US6287262B1 (en) * 1996-06-12 2001-09-11 Seiko Epson Corporation Device for measuring calorie expenditure and device for measuring body temperature
US20010049470A1 (en) * 2000-01-19 2001-12-06 Mault James R. Diet and activity monitoring device
WO2003015005A2 (fr) * 2000-06-16 2003-02-20 Bodymedia, Inc. Appareil pour controler la sante, le bien etre et la forme
WO2002051307A1 (fr) * 2000-12-27 2002-07-04 Medic4All Inc. Systeme et procede de surveillance automatique de la sante d'un utilisateur
DE10256233A1 (de) * 2001-12-19 2003-07-17 Giesecke & Devrient Gmbh Meßvorrichtung zur Erfassung einer physiologischen Meßgröße

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8452367B2 (en) 2002-10-01 2013-05-28 Covidien Lp Forehead sensor placement
US7809420B2 (en) 2003-06-25 2010-10-05 Nellcor Puritan Bennett Llc Hat-based oximeter sensor
US7813779B2 (en) 2003-06-25 2010-10-12 Nellcor Puritan Bennett Llc Hat-based oximeter sensor
US7877127B2 (en) 2003-06-25 2011-01-25 Nellcor Puritan Bennett Llc Hat-based oximeter sensor
US7877126B2 (en) 2003-06-25 2011-01-25 Nellcor Puritan Bennett Llc Hat-based oximeter sensor
US7979102B2 (en) 2003-06-25 2011-07-12 Nellcor Puritan Bennett Llc Hat-based oximeter sensor
WO2008013506A1 (fr) * 2006-07-26 2008-01-31 Singapore Polytechnic Dispositif destiné à mesurer un paramètre physiologique chez un plongeur
US8257274B2 (en) 2008-09-25 2012-09-04 Nellcor Puritan Bennett Llc Medical sensor and technique for using the same
US8515515B2 (en) 2009-03-25 2013-08-20 Covidien Lp Medical sensor with compressible light barrier and technique for using the same
US8781548B2 (en) 2009-03-31 2014-07-15 Covidien Lp Medical sensor with flexible components and technique for using the same
CN106377232A (zh) * 2016-08-29 2017-02-08 苏州倍声声学技术有限公司 一种可穿戴式身体检测设备

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