WO2013124750A1 - Dispositif de mesure portable destiné à mesurer un paramètre physiologique de l'utilisateur - Google Patents

Dispositif de mesure portable destiné à mesurer un paramètre physiologique de l'utilisateur Download PDF

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Publication number
WO2013124750A1
WO2013124750A1 PCT/IB2013/050659 IB2013050659W WO2013124750A1 WO 2013124750 A1 WO2013124750 A1 WO 2013124750A1 IB 2013050659 W IB2013050659 W IB 2013050659W WO 2013124750 A1 WO2013124750 A1 WO 2013124750A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
user
gripping member
case
skin
Prior art date
Application number
PCT/IB2013/050659
Other languages
English (en)
Inventor
Peter Tijn Sjoe Kong TSANG
Original Assignee
Koninklijke Philips N.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 Koninklijke Philips N.V. filed Critical Koninklijke Philips N.V.
Publication of WO2013124750A1 publication Critical patent/WO2013124750A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A61B5/14552—Details of sensors 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
    • A61B5/02—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
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A61B5/02427—Details of sensor
    • 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
    • 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
    • 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
    • A61B5/6834—Means for maintaining contact with the body using vacuum

Definitions

  • Wearable measurement device for measuring a physiological parameter of a user
  • the present invention relates to a wearable measurement device for measuring one or more physiological parameters of a user wearing said device.
  • Heart rate monitors have been used in the field of leisure and sport for some years already. There are many makes of these devices. Typical devices have the form of a (e.g. ECG) chestband or writstband, e.g. including a sensor or the optical type (e.g. a photo- plethysmographic sensor) that measures on the arm or fingertips.
  • ECG ECG
  • writstband e.g. including a sensor or the optical type (e.g. a photo- plethysmographic sensor) that measures on the arm or fingertips.
  • US 2009/048526 discloses a monitoring apparatus for monitoring a user's heart, the apparatus comprising several sensors for measuring changes in an electrical parameter of a user's arm, from which changes in an electrocardiogram, heart rate and/or heart rate variation of the user's heart are determinable.
  • the apparatus further comprises a data processor for determining the electrocardiogram, the heart rate and/or heart rate variation from the changes in the electrical parameter; and an output device for making knowable to the user the electrocardiogram, heart rate and/or heart rate variation.
  • a basic idea of the present invention is, to use only a single wristband, particularly a wrist watch, having all the means to monitor the user's heart, without using for example a chest band.
  • the single wristband is at least provided with the at least one sensor and particularly also comprises the data processor, and more particularly also comprises the output device.
  • Other wearable measurement devices use conductivity sensors for measuring the conductivity of the skin to make use of the known fact that skin conductance of a user is related with the level of arousal of the user.
  • a wearable measurement device for measuring one or more physiological parameters of a user wearing said device comprising
  • a fixation for fixing the wearable measurement device to the user's body a sensor for measuring at least one physiological parameter of the user, said sensor being arranged in or on a bottom surface of the case facing the user's body, and
  • a gripping member arranged in or on said bottom surface of the case and at least partially surrounding said sensor.
  • the present invention is based on the idea provide a gripping member on the bottom surface of the case facing the user's body when fixed to the user's body, which gripping member is able to grip the skin.
  • the gripping member allows a small skin flap to come in contact with the bottom surface of the case, thus creating a stable interface between the sensor and skin. This leads to less movement artifacts due to sensor sliding over the skin during movement.
  • the second effect of the gripping member is to block ambient light from getting to the sensor. This is particularly important for embodiments in which the sensor is configured for making optical measurements as this would also be seen as a movement artifact in the measured signals.
  • the gripping member which may be formed as a single integrated element or a group of elements, may be arranged at positions spaced apart from each other, e.g. only in separate angular areas around the sensor, in a preferred embodiment said gripping member completely surrounds said sensor.
  • said gripping member completely surrounds said sensor.
  • said gripping member is ring shaped or spirally shaped around said sensor forming one or more rings or spirals. This improves the gripping and the light blocking, e.g. prevents that ambient light is guided (channeled) to the sensor.
  • said gripping member is formed by one or more grooves within said bottom surface. This provides a simple measure for achieving the grip of the skin and the blocking of ambient light.
  • said gripping member comprises one or more strips arranged on said bottom surface.
  • grooves are formed between the strips. These strips may also be arranged to an existing (legacy) case later to provide the gripping and light blocking effects.
  • said gripping member comprises one or more sticking or sucking elements arranged on said bottom surface.
  • said gripping member comprises one or more sticking or sucking elements arranged on said bottom surface.
  • self- adhesive strips or elements functioning as a kind of suction cup may be used.
  • said gripping member and said sensor are arranged such that the sensor is in direct contact with the user's body when the wearable measurement device is fixed to the user's body.
  • the sensor is elevated or has at least the same height (with respect to the bottom surface of the case) so that a good contact between the sensor and the skin is obtained.
  • the present invention can be used with different types of sensors.
  • said sensor is an optical sensor comprising a light emitting element for emitting light to the user's skin and a light receiving element for receiving light reflected from the user's skin.
  • This embodiment may, for instance, be used for heart rate monitoring.
  • said sensor is an electrical sensor comprising two skin conductance electrodes for contacting the user's skin and measuring conductivity the user's skin.
  • This embodiment may, for instance, be used for stress monitoring.
  • the device may have the form of an arm or wrist worn device.
  • the case may have different forms and may be configured for attachment to different parts of the user's body.
  • said case is substantially disk-shaped.
  • said case has substantially the form of a round disk.
  • said fixation is configured for fixing the device to a user's arm or leg, in particular in the form of a wristband or one or more straps.
  • said case is the case of a wristwatch, multi-sport computer or heart-rate monitor.
  • said case comprises a recess formed within said bottom surface, wherein said sensor is arranged within said recess and wherein said gripping member is formed by a recess portion formed between inner sidewalls of said recess and outer sidewalls of said sensor.
  • the size of said recess is such that a shallow recess portion in the form of a groove is formed around said sensor. This provides a particularly good and contant contact between sensor and skin.
  • Fig. 1 shows a cross section through a first embodiment of a device according to the present invention
  • Fig. 2 shows an enlarged portion of the first embodiment of a device according to the present invention
  • Fig. 3 shows a top view and a bottom view of a second embodiment of a device according to the present invention
  • Fig. 4 shows a cross section through another embodiment of a gripping member according to the present invention
  • Fig. 5 shows a cross section through a third embodiment of a device according to the present invention
  • Fig. 6 shows an enlarged portion of the third embodiment of a device according to the present invention
  • Fig. 7 shows a cross section through a fourth embodiment of a device according to the present invention.
  • Fig. 8 shows a cross section through a fifth embodiment of a device according to the present invention.
  • Fig. 1 shows a cross section through a first embodiment of a wearable measurement device 10a for measuring one or more physiological parameters of a user 1 wearing said device according to the present invention.
  • Fig. 1 A shows a cross sectional side view
  • Fig. IB shows a simplified top view. It comprises a case 14, a fixation 18 for fixing the wearable measurement device 10a to the user's body, a sensor 12 for measuring at least one physiological parameter of the user, said sensor 12 being arranged in or on a bottom surface 15 of the case 14 facing the user's body, and a gripping member 16 arranged in or on said bottom surface 15 of the case 14 and at least partially surrounding said sensor 12.
  • the sensor 12 may be a heart rate monitoring sensor for measuring the heart rate. But generally, the particular kind of sensor that measures one or more physiological parameters (e.g. heart rate, blood pressure, breathing rate, skin conductivity, skin humidity, etc.) is not essential for the present invention.
  • physiological parameters e.g. heart rate, blood pressure, breathing rate, skin conductivity, skin humidity, etc.
  • the case 14 may be a housing, e.g. of the type of a wristband, a wristwatch or monitoring device as used in sports.
  • the particular kind and form of case 14 is also not essential for the present invention, but mainly serves to hold the sensor 12 at a desired position with respect to the user 1 and to optionally house further elements like a battery, a processing unit, a display, a user interface, etc.
  • the fixation 18 comprises, in this embodiment, a strap for fixing the device 10a to an arm or leg of the user 1.
  • the particular form and arrangement of the fixation 18 is not essential for the present invention, as long as it is ensured that the case 14 can be attached to the desired part of the user's body.
  • the particular design of the fixation 18 may thus be correlated with the design and type of the sensor 12.
  • the gripping member 16 is formed by a shallow groove within the bottom surface 15 with circumferentially surrounds the sensor 12 as shown in the top view of the bottom surface 15 depicted in Fig. IB.
  • the groove 16 is able to grip onto the skin surface 2 of the user's body 1 as schematically depicted in Fig. 2. As shown there a skin fold 3 will be drawn into the groove thus providing the desired gripping effect.
  • FIG. 3 A shows a top view of the bottom surface 15 of the case 14 and Fig. 3B shows a cross sectional side view.
  • the gripping member 26 is formed by a number of grooves has a predetermined shape, in this example a spiral, so that the ambient light cannot be channeled towards the center of the bottom surface 15 where the sensor 12 is located.
  • the pattern is intended for maximum gripping area and to block off the ambient light in case where there is lift off between the measurement device 10b and the user's body 1, e.g. during movement of the user. .
  • the groove(s) 16, 26 are sufficiently wide and deep so to grip the skin surface 2.
  • the gripping member may be formed by one or more sticking or sucking elements 36 arranged on said bottom surface 15 as shown in Fig. 4.
  • the sticking or sucking elements 36 are formed as a number of ring elements formed around the sensor 12, but these elements may also be formed as closed ring(s) or a spiral around the sensor 12 as explained above for the one or more grooves.
  • the sticking elements 36 are formed as strips stuck to the bottom surface 15.
  • two rubber strips 46 formed as concentric rings are applied to the bottom surface 14 of the case 14 to form a groove 47 there between in which the skin fold 3 is gripped as shown in Fig. 6 illustrating an enlarged view of the measurement device 10c.
  • the gripping member and the sensor are arranged such that the sensor is in direct contact with the user's body when the wearable measurement device is fixed to the user's body.
  • the sensor is even elevated above the gripping member, e.g. above the groove(s) 16, 26 to make good contact with the user's skin 2.
  • the measurement device lOd is formed as a wristwatch, wherein Fig. 7A shows a top view and Fig. 7B shows a rear view.
  • the optical sensor 22 is configured for heart rate monitoring.
  • the sensor 22 comprises a light emission device 222 (in particular one or two LEDs) for emitting light onto the user's skin and a light receiving device 221 (in particular a photo detector such as a photo diode) for receiving light reflected from the user 1.
  • the case 24 of the measurement device 1 ' is implemented as a kind of watch or is implemented in a real watch having a wristband 28.
  • the device may be designed as a stand-alone device of a new type, e.g. having a case of a slice-shaped form.
  • two or more sensors are provided for measuring different physiological parameters of the user.
  • one sensor is an optical sensor and the other sensor 32 is an electrical sensor comprising e.g. two skin conductance electrodes 321, 322 for contacting the user's skin and measuring the conductivity of the user's skin.
  • Such an electrical sensor 32 is shown as an example (as a single sensor) in the embodiment depicted in Fig. 5.
  • the two or more sensors are provided for commonly or separately measuring said at least one physiological parameter of the user.
  • the sensor signals could be evaluated so that only the sensor signal with the highest quality is used or the sensor signals are averaged or weighted.
  • Fig. 8 shows a cross section through a fifth embodiment of a measurement device lOe according to the present invention.
  • the case 14 comprises a recess 55 formed within said bottom surface 15.
  • the sensor 12 is arranged within said recess 55.
  • the size and location of the recess is such that a recess portion 56 is formed between inner sidewalls 57 of said recess 55 and outer sidewalls 13 of said sensor 12.
  • Said recess portion represents the gripping member in this embodiment.
  • the size of said recess 55 is such that a shallow recess portion 56 in the form of a shallow groove is formed around the sensor 12, preferably completely surrounding the sensor 12.
  • the pressure can be lowered by means of a mechanical or electrical pump 60 provided as an optional element in the device .
  • the present invention allows for a simple, convenient and yet effective way for the user to find the optimal position for measuring a physiological parameter such as the heart rate even in dynamic situations in which the user is in motion. Further benefits include improved robustness for the signal processing and reduced errors in the system.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

La présente invention concerne un dispositif de mesure portable (10a, 10b, 0c, 10d, 10e), destiné à mesurer un ou plusieurs paramètres physiologiques d'un utilisateur (1) portant ledit dispositif. Ce dispositif comprend un boîtier (14, 24), une fixation (18, 28) pour attacher le dispositif de mesure portable sur le corps d'un utilisateur, un capteur (12, 22, 32) pour mesurer au moins un paramètre physiologique de l'utilisateur (1), ledit capteur étant agencé dans ou sur une surface inférieure (15) du boîtier faisant face au corps de l'utilisateur, et un élément de préhension (16, 26, 36, 46, 56) agencé dans ou sur ladite surface inférieure du boîtier et entourant au moins partiellement ledit capteur.
PCT/IB2013/050659 2012-02-21 2013-01-25 Dispositif de mesure portable destiné à mesurer un paramètre physiologique de l'utilisateur WO2013124750A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261601098P 2012-02-21 2012-02-21
US61/601,098 2012-02-21

Publications (1)

Publication Number Publication Date
WO2013124750A1 true WO2013124750A1 (fr) 2013-08-29

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Country Link
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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103777550A (zh) * 2014-01-22 2014-05-07 杭州电子科技大学 用于户外极限运动人员安全监控的可穿戴设备
WO2015137795A1 (fr) * 2014-03-10 2015-09-17 Vacas Jacques Paulino Carte mère en matière textile à conception modulaire et interchangeable pour surveiller, informer et commander
CN105094029A (zh) * 2015-07-24 2015-11-25 上海帝仪科技有限公司 安全管理系统和方法
US9717424B2 (en) 2015-10-19 2017-08-01 Garmin Switzerland Gmbh System and method for generating a PPG signal
EP3714778A1 (fr) * 2019-03-29 2020-09-30 Koninklijke Philips N.V. Dispositif de capteur portable
USD917704S1 (en) 2019-08-16 2021-04-27 Masimo Corporation Patient monitor
KR20210047437A (ko) * 2019-10-21 2021-04-30 연세대학교 산학협력단 반응성 표시 소자 및 이의 제조 방법
USD919100S1 (en) 2019-08-16 2021-05-11 Masimo Corporation Holder for a patient monitor
USD919094S1 (en) 2019-08-16 2021-05-11 Masimo Corporation Blood pressure device
USD921202S1 (en) 2019-08-16 2021-06-01 Masimo Corporation Holder for a blood pressure device
USD927699S1 (en) 2019-10-18 2021-08-10 Masimo Corporation Electrode pad
USD933232S1 (en) 2020-05-11 2021-10-12 Masimo Corporation Blood pressure monitor
US11576582B2 (en) 2015-08-31 2023-02-14 Masimo Corporation Patient-worn wireless physiological sensor
USD979516S1 (en) 2020-05-11 2023-02-28 Masimo Corporation Connector
US11637437B2 (en) 2019-04-17 2023-04-25 Masimo Corporation Charging station for physiological monitoring device
USD985498S1 (en) 2019-08-16 2023-05-09 Masimo Corporation Connector

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WO1991015151A1 (fr) * 1990-04-04 1991-10-17 Nellcor Incorporated Sonde d'oxymetrie de pouls perinatal
WO1991016003A1 (fr) * 1990-04-17 1991-10-31 Skintech Holdings Aps Appareil de mesure sans penetration d'au moins une propriete mecanique de tissus biologiques mous
US20050075553A1 (en) * 2003-10-07 2005-04-07 Denso Corporation Portable biological information monitor apparatus and information management apparatus
WO2006079862A2 (fr) * 2005-01-31 2006-08-03 Santha Hunor Tete de capteur de sphygmo-oxymetre, systeme de mesure et procede de mesure avec cette tete de capteur, procede et boitier pour fixer une tete de capteur
US20090048526A1 (en) 2005-12-19 2009-02-19 Koninklijke Philips Electronics N. V. Apparatus for monitoring a person's heart rate and/or heart rate variation; wrist-watch comprising the same
KR101037405B1 (ko) * 2010-08-23 2011-05-30 박익로 스포이트가 체결된 생체 의료용 전극

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991015151A1 (fr) * 1990-04-04 1991-10-17 Nellcor Incorporated Sonde d'oxymetrie de pouls perinatal
WO1991016003A1 (fr) * 1990-04-17 1991-10-31 Skintech Holdings Aps Appareil de mesure sans penetration d'au moins une propriete mecanique de tissus biologiques mous
US20050075553A1 (en) * 2003-10-07 2005-04-07 Denso Corporation Portable biological information monitor apparatus and information management apparatus
WO2006079862A2 (fr) * 2005-01-31 2006-08-03 Santha Hunor Tete de capteur de sphygmo-oxymetre, systeme de mesure et procede de mesure avec cette tete de capteur, procede et boitier pour fixer une tete de capteur
US20090048526A1 (en) 2005-12-19 2009-02-19 Koninklijke Philips Electronics N. V. Apparatus for monitoring a person's heart rate and/or heart rate variation; wrist-watch comprising the same
KR101037405B1 (ko) * 2010-08-23 2011-05-30 박익로 스포이트가 체결된 생체 의료용 전극

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103777550A (zh) * 2014-01-22 2014-05-07 杭州电子科技大学 用于户外极限运动人员安全监控的可穿戴设备
CN103777550B (zh) * 2014-01-22 2017-02-08 杭州电子科技大学 用于户外极限运动人员安全监控的可穿戴设备
WO2015137795A1 (fr) * 2014-03-10 2015-09-17 Vacas Jacques Paulino Carte mère en matière textile à conception modulaire et interchangeable pour surveiller, informer et commander
CN105094029A (zh) * 2015-07-24 2015-11-25 上海帝仪科技有限公司 安全管理系统和方法
US11576582B2 (en) 2015-08-31 2023-02-14 Masimo Corporation Patient-worn wireless physiological sensor
US9717424B2 (en) 2015-10-19 2017-08-01 Garmin Switzerland Gmbh System and method for generating a PPG signal
US9801587B2 (en) 2015-10-19 2017-10-31 Garmin Switzerland Gmbh Heart rate monitor with time varying linear filtering
WO2020201152A1 (fr) 2019-03-29 2020-10-08 Koninklijke Philips N.V. Dispositif de capteur portable
EP3714778A1 (fr) * 2019-03-29 2020-09-30 Koninklijke Philips N.V. Dispositif de capteur portable
US11678829B2 (en) 2019-04-17 2023-06-20 Masimo Corporation Physiological monitoring device attachment assembly
US11701043B2 (en) 2019-04-17 2023-07-18 Masimo Corporation Blood pressure monitor attachment assembly
US11986305B2 (en) 2019-04-17 2024-05-21 Masimo Corporation Liquid inhibiting air intake for blood pressure monitor
US11637437B2 (en) 2019-04-17 2023-04-25 Masimo Corporation Charging station for physiological monitoring device
USD919100S1 (en) 2019-08-16 2021-05-11 Masimo Corporation Holder for a patient monitor
USD919094S1 (en) 2019-08-16 2021-05-11 Masimo Corporation Blood pressure device
USD921202S1 (en) 2019-08-16 2021-06-01 Masimo Corporation Holder for a blood pressure device
USD917704S1 (en) 2019-08-16 2021-04-27 Masimo Corporation Patient monitor
USD933233S1 (en) 2019-08-16 2021-10-12 Masimo Corporation Blood pressure device
USD933234S1 (en) 2019-08-16 2021-10-12 Masimo Corporation Patient monitor
USD985498S1 (en) 2019-08-16 2023-05-09 Masimo Corporation Connector
USD967433S1 (en) 2019-08-16 2022-10-18 Masimo Corporation Patient monitor
USD927699S1 (en) 2019-10-18 2021-08-10 Masimo Corporation Electrode pad
USD950738S1 (en) 2019-10-18 2022-05-03 Masimo Corporation Electrode pad
KR102304806B1 (ko) 2019-10-21 2021-09-24 연세대학교 산학협력단 반응성 표시 소자 및 이의 제조 방법
KR20210047437A (ko) * 2019-10-21 2021-04-30 연세대학교 산학협력단 반응성 표시 소자 및 이의 제조 방법
USD979516S1 (en) 2020-05-11 2023-02-28 Masimo Corporation Connector
USD965789S1 (en) 2020-05-11 2022-10-04 Masimo Corporation Blood pressure monitor
USD933232S1 (en) 2020-05-11 2021-10-12 Masimo Corporation Blood pressure monitor

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