CN1039351A - Monitoring apparatus - Google Patents
Monitoring apparatus Download PDFInfo
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- CN1039351A CN1039351A CN 89104843 CN89104843A CN1039351A CN 1039351 A CN1039351 A CN 1039351A CN 89104843 CN89104843 CN 89104843 CN 89104843 A CN89104843 A CN 89104843A CN 1039351 A CN1039351 A CN 1039351A
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- sensing
- monitoring apparatus
- signal processing
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- sensing apparatus
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- 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
- A61B5/6802—Sensor mounted on worn items
- A61B5/681—Wristwatch-type devices
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/4472—Wireless probes
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Cardiology (AREA)
- Radiology & Medical Imaging (AREA)
- Hematology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physiology (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
A kind of pulse monitoring device can be contained in the wrist-watch (10).Pulses measure is to use a ultrasonic transducer assembly (12), this ultrasonic transducer assembly (12) utilizes Doppler effect to measure blood flow velocity in the tremulous pulse, then pulse rates is presented at demonstration time local of watch displays device (37) or other are local.This ultrasonic transducer assembly (12) is attached on the watchband (13), and can be mobile with respect to indication component (11) along this watchband, so as to cooperating the wrist of different sizes.
Description
The present invention relates to a kind of monitoring apparatus, be specially adapted to supervision human body physiological function.For ease of explanation, will should be used for explaining with this kind.Yet should be appreciated that the present invention also can do other application, for example the supervision of animal.
The tensity of human body can be supervised by measuring its physiological function (for example pulse rates, body temperature and body moisture).Measuring of these variations is in demand when motion.For making motion reach optimum state, must make heart rate rise to more than 60% of maximum rate, yet, when motion rises to heart rate to be higher than maximum rate (deciding according to age and health status), may cause serious consequence.
The measurement of body moisture also is very important for the athlete, and it can provide the early warning of health dehydration.Temperature survey (the subsidiary or not measurement of subsidiary other parameters) can be used for detecting wearer's hyperpyrexia or low excessively.The increase of heart rate also can be warned hyperpyrexia or low excessively.
For the people who is recovering behind people with heart disease medical history or the operation on heart, its physiological parameter of continuous monitoring also is in demand.
Up to the present, the only feasible method of popular feeling hop rate rates such as continuous monitoring athlete is that an electrocardiogram sensor is installed in the harness around chest, then with a fixing console panel or be contained in a monitoring apparatus on the wrist and be wired to this sensor and be used for measuring heart rate.Another mode is to be worn over a sensor collar on the finger and to use some optical sensors, and these sensors respond to changing through the light transmission of finger pulse circulation time.These devices are very inconvenient when dress is worn, and very uncomfortable when using, and consequently are restricted on commerce is used and can not be popular.
At above-mentioned shortcoming and other shortcomings, the purpose of this invention is to provide a kind of monitoring apparatus that can reliably and effectively use.One aspect of the present invention with above-mentioned purpose and other purposes provides a kind of monitoring apparatus, is used for supervising desirable physiological function, and this monitoring apparatus comprises:
Sensing apparatus is used for the desired physiological function of sensing, and this sensing apparatus is attached on one's body the user with removably;
Holding device is used for keeping this sensing apparatus to make it a selected position of contiguous user health;
Signal processing apparatus is used for handling the output from sensing apparatus; With
Indicating device is used to provide a kind of appreciable output, and this output changes with the variation of sensing device output.
Preferably this physiological function is a pulse rates, and at this moment described sensing apparatus is the pulse rates sensor.Certainly, also can measure other physiological functions, for example at this moment body temperature or body moisture can correspondingly use other suitable sensing apparatus if needed, and for example thermometer comprises laser temperature meter or skin resistance rate measuring device.
The pulse rates sensor can adopt any desirable form.For example, the variation of the health yardstick that pulse circulation time produces owing to arteriectasia can adopt displacement sensing device to supervise, and as using the pressure-sensing device of foil gauge or any appropriate format, it is relied on the tremulous pulse.Yet, preferably use the ultrasonic transducer assembly as the pulse rates sensor, and it is positioned to can be used for the speed of sensing pulse blood flow circulation time or the variation of flow, but its method is the Doppler effect that utilizes blood flow rate to change to be produced or the effect (for example variation of tremulous pulse noise level or size) of other sensings.The ultrasonic transducer assembly can comprise piezoelectricity or piezoelectric ceramics transducer, or any other desirable ultrasonic transducer.
Indicating device can be made any desirable form, comprising visual indicating device, is used to provide the visual demonstration of sensing apparatus output; Also can comprise warning devices,, can hear of maybe the mode that can feel (when for example in water, using) represent that the output of this sensing apparatus has has met or exceeded a predefined limit with can be visual.Described visual indicating device can be made any desirable form (for example reading with analog form), but preferably makes the form that numeral shows, so as to utilizing present digital watch technology.Another mode is to use visual display unit (VDU) to be used as indicating device.
Above-mentioned indicating device and signal processing apparatus can be included in one and show that this demonstration console panel can comprise a computer in the console panel.
Warning devices can adopt any desired form, for example flash of light.But, had better be with hearing of siren (for example buzzer) as warning devices, or use thoughts and feelings siren (signal of telecommunication generating means etc. for example, be used for producing signal and be added on the skin), continue to watch attentively under the condition of indicating device not allowing, can remind this alarm condition of the dress person of wearing vigilance that is moving in this way.
Holding device can be made the harness form of adjustable in length, and sensing apparatus can be remained on any desirable position of contiguous user health.Suitable a kind of mode is that sensing apparatus is remained on the wrist of contiguous user, and near wherein tremulous pulse, holding device is made the watchband form.This watchband also can be used to supporting signal blood processor and indicating device.Signal processing apparatus and indicating device can be contained in the shell so as to protecting them.This shell also can hold a timer or wrist-watch.If needed, signal processing apparatus, indicating device and timer can be made of one and become a molectron, wear as the wrist-watch that substitutes of a traditional type.In addition, when being used for animal (for example horse racing) on one's body the time, sensor device can be remained on the position (for example tremulous pulse) of contiguous this animal, and indicating device is placed on the obvious position of knight.Also telemetering equipment can be set if needed, and indicating device is placed on away from the sensing apparatus place, for example be placed in the runway next door or be placed in a sports facility next door.
Sensing apparatus also can be made sensing component, be assembled into the relative position that to adjust itself and shell along watchband, desirable interval arranged, to adapt to the wrists of the different sizes of user so as to the position that makes sensing component and shell, make the spine of shell, and make sensing component near tremulous pulse near wrist.Watchband also can comprise a flexible member (for example elastomeric element), makes sensing component can be close to the user wrist.
The size and the shape of sensing apparatus can be loaded between the spine and muscles and bones of the user wrist outside of belly comfily, borrow the effect of muscles and bones that sensing apparatus is reduced relative to moving of tremulous pulse.Also can use spring to push sensing apparatus if needed it is contacted with wrist, when wrist moves, can keep closely contacting with the outside of belly skin of wrist.
Holding device can comprise the transmission band that contains some electric connectors, along some electric wires of bar belting, is used for connecting sensing apparatus and indicating device.Electric connector also can be the shape of bare exposed conductor sheet, be used for attached sensing apparatus or housing contacts.Yet preferably this electric connector is wattless component (for example inducer or a capacitor), and uses the wattless component of some and sensing apparatus or shell cooperating, constitutes a circuit and do not need to use exposed electric conductor between sensor and shell.Suitable mode is a pair of flatwise coil inducer to be set on the band in transmission, and the wattless component of described cooperating is inductance coil, and the transmission of data and power can be undertaken by inductance device.Can be used on this wattless component by the magnetic core of making such as ferromagnetic material etc., be used for strengthening the transmission of data and power flatwise coil inducer and/or cooperating.
Signal processing apparatus also can comprise the filtering part with frequency dependence, is used for making external clutter (its frequency is different with the frequency of the required pulse rates signal that enters the pulse counting circuit) to reduce to minimum degree.Also can use more complicated signal processing apparatus if needed, comprise fourier analysis or self correlation device, make the false pulse reading that appears at the external clutter generation in the required pulse rates frequency band range reduce to minimum degree.Anticlutter circuit also can comprise an accelerometer, can be processed together from the output of accelerometer with signal from sensing apparatus, make because the clutter from sensing apparatus that mechanical shock produced can be neutralized basically.
Signal processing apparatus also can comprise Digital Signal Processing, has software programmable Digital Signal Analysis function, pulse position prediction for example, the rate of change of restriction pulse rates.Be used for from external clutter, distinguishing effective pulse circulation other technologies and comprise a kind of identifying device, be used for recognizing pulse circulation characteristic partly, dicrotism breach for example, the pulse crest shape, signal rises or fall off rate, or the bottom width of pulse signal etc.The relative size that signal processing apparatus can also be positioned to according to pulse rates and pulse rates and noise signal comes the adaptively modifying signal processing technology.
Another aspect of the present invention provides a kind of multipurpose monitoring apparatus that a plurality of sensing apparatus are used for supervising relevant physiological function that has, and supervises these relevant physiological functions by indicating device.Suitable mode is to make this multipurpose monitoring apparatus include, but is not limited to carry out pulse rates decision, the sensing apparatus of measurement of bldy temperature and health dewatering state.
One side more of the present invention is to propose a kind of method that is used for supervising desired physiological function, and this method comprises:
The monitoring apparatus of this type sensing apparatus with the desired physiological function of sensing is provided, and described sensing apparatus is attached to the health of user removably;
A kind of holding device is provided again, is used for making above-mentioned sensing apparatus to remain close on a selected position of user health; A kind of signal processing apparatus is used for handling the output from above-mentioned sensing apparatus; With a kind of indicating device, be used to provide a kind of appreciable output, this appreciable output changes and changes according to the output of above-mentioned sensing apparatus;
Described sensing apparatus is attached on the health of user; With
Operate described monitoring apparatus, make it to supervise desirable physiological function.
For making the present invention be easier to understand and implement, illustrate that below with reference to accompanying drawings these accompanying drawings are used for representing a most preferred embodiment of the present invention, wherein:
Fig. 1 is a kind of supervision group component of the present invention;
Fig. 2 is the profile of supervision group component shown in Figure 1;
Fig. 3 is the expanded view of supervision group component shown in Figure 1;
Fig. 4 is the block chart of this supervision group component; With
Fig. 5 shows the display of another supervision group component.
Fig. 1, the supervision group component 10 shown in 2,3 and 4 comprise an indication component 11 and a sensing component 12, and they are settled along a soft watchband 13.Indication component 11 has a shell 14 that becomes the watch case form, and watchband 13 passes the fitting recess 15 at shell 14 two ends, and passes the adjustment groove 16 of sensing component 12 back.
Sensing component 12 comprises one and sends hyperacoustic converters 20 and the hyperacoustic converters 21 of reception, and their sensitive axis meets on the point of sensing component 12 fronts 22.Send ultrasonic transducer element 20 and be connected on the power pickup coil 23, be connected on the data coil 24 via a buffer amplifier 25 and receive ultrasonic transducer element 21.Be used for operating the power of buffer amplifier 25 from above-mentioned power pickup coil 23 and via a rectifier assembly 26.Back 27 assemblings of coil 23 and 24 contiguous sensing components 12.
Battery 30 is housed in the shell 14, is used for to agitator 31 power supplies, the output of agitator 31 is connected on the analog line driver coil 32 that is contained in the adjacent housings back side 33.Shell pickup coil 34 also is contained in 33 places, the contiguous back side, and is connected on amplification and the signal processing circuit 35.Deliver to sequential module (timing module) 36 from the output of circuit 35 and handle, produce an output then, this output shows on display 37 according to key 40 determined display routines.In addition, but this display 37 also follow procedure be used for driving the demonstration time by a clock and watch module 41.Siren 42 is contained in the shell 14, can decide the alarm of sounding when program makes it in the output of shell pickup coil 34 special RST to be arranged by sequential module 36.
Watchband 13 has a semi-rigid part 43 and an elasticity part 44, and the latter can extend in order to tension watchband 13.Belt with clasp assembly 45 is attached to semi-rigid part 43 ends, and the other end and elasticity part 44 are joined.A pair of flatwise coil assembly 46 and 47 lies in the semi-rigid part 43.
The using method of supervision group component 10 around wearer's wrist 50, makes shell 14 and sensing component 12 slide along watchband 13 its fastening then, makes shell 14 be positioned at the spine 51 of wrist 50, and makes sensing component 12 contiguous tremulous pulsies 52.When supervision group component 10 was energized, power was transferred to analog line driver coil 32 by agitator 31, and transferred to power pickup coil 23 along flatwise coil 47, transferred to then to send ultrasonic transducer 20.Pass the wall of skin and tremulous pulse 52 by the sequence of ultrasound pulses that the latter produced, wherein a part of ultrasonic energy is received converters 21 then and receives by mobile blood reflection in the tremulous pulse 52.Output is cushioned amplifier 25 and amplifies from the latter's the signal of telecommunication, passes data coil 24, flatwise coil assembly 46 and shell pickup coil 34 then and arrives treatment circuits 35, therein signal is amplified and wins pulse rate data.These data are transferred to the sequential module, and the sequential module becomes per minute heart beating number signal with this data conversion, delivers to display 37 then to be shown to user.Sequential module 36 is also controlled siren 42, if when the per minute beats is increased to and is higher than (or be reduced to be lower than) predetermined limits, just sends an audio alarm.
Display 60 shown in Figure 5 comprises a big central display unit 61 that shows the pulse rates of measuring with luminous color, for example has the red display of dark visible, and adopts flash of light as the alarm mode.Display 62 is set in a pulse rates upper limit warning that shows with different luminous color (for example blue), be positioned at central display unit 61 tops, and a pulse rates lower limit warning setting display 63 that shows with similar luminous color is positioned at its below.Go up that " warning " display 65 lays respectively at the close position that the pulse rates upper limit/lower limit is warned setting display 62 and 63 under " warning " display 64 and one for one.When reaching warning limit, " warning " display then gives a warning.The pulse that is used for testing sensor component 12 working conditions is picked up and is surveyed the right that flasher 66 is placed on central display unit 61.
Carry out following function with some button (not shown)s:
(1) mode changes
(a) high limit warning (display 61 flashes of light)
(b) lower bound warning (display 61 flashes of light)
(c) pulse rates warning test (display 61 flashes of light)
(d) pulse rates is measured (working method is that display 61 does not glisten)
(2) set change
Except (d) item, for all above-mentioned modes, as long as just make reading increase by 1 by a button.If button was pressed three seconds, its number just changes (from 0 to 250) soon to desirable setting value.
(a) high limit warning-when (1) was altered to another mode, display 61 just stopped flash of light, and is set.
(b) lower bound warning-the same.
(c) when warning is set and be in " on " position, if supervision group component 10 exceeds the measuring range that it is used to test, then initiation is similar to the warning function of working method, that is, set value and be higher than " upper limit " when setting value when pulse rates is lower than " lower limit ", sound gives a warning.
After display 61 arrives per minute heart beatings 250 times, just rotate back into zero, and then entry into service.This kind mode also is applicable to the warning setting.
(3) alarm ON/OFF
Be used for making " high limit " and " lower bound " warning to separate.
(4) pulse is picked up the survey test mode
A flasher (for example green) is with the pulse synchronization flash.Its speed can be compared with the heart rate of wrist place pulse reaction.This kind mode can be used for checking the location correctness of transducer.
(5) ON/OFF switch element
When device is used for preserving power when not using.
Number of buttons can reduce and still can have multi-functional, for example causes some functions by pressing two adjacent buttons simultaneously.
Preferably make the flasher continuous operation synchronous with pulse, the accuracy when making it to check motion roughly, but this flasher is optionally worked, to preserve the electric energy of battery.
Make siren and the pulse rates that to hear of synchronous, thereby can allow the wearer by hearing of the increase or the minimizing of supervision pulse rates.In addition, when pulse rates is too high may bring danger the time, just send the urgent warning sound faster.
The different rates of the warning sound is enough to differentiate high/low alarm, but also can use two different tones to differentiate.
Should be appreciated that, more than be that embodiments of the invention are described by way of example, and the people who is familiar with the one's own profession technology can carry out some other modifications and variations when understanding in spirit and scope of the invention.
Claims (19)
1, a kind of monitoring apparatus is used for supervising desirable physiological function, it is characterized in that, this monitoring apparatus includes:
Sensing apparatus is used for the desirable physiological function of sensing, and this sensing apparatus is attached on the user health with removably;
Holding device is used for keeping described sensing apparatus to make it a selected position of contiguous user health;
Signal processing apparatus is used for handling the output from sensing apparatus; With
Indicating device is used to provide a kind of appreciable output, and this output changes with the variation of described sensing apparatus output.
2, monitoring apparatus as claimed in claim 1 is characterized in that, described physiological function is a pulse rates; And described sensing apparatus comprises a pulse rates sensor.
3, monitoring apparatus as claimed in claim 2, it is characterized in that, described pulse rates sensor comprises a ultrasonic transducer assembly, and this assembly is positioned to and can be used for the rate variation of sensing pulse blood flow circulation time, and this variation can come sensing in addition by Doppler effect.
4, monitoring apparatus as claimed in claim 1 is characterized in that, described indicating device comprises relevant with sensing apparatus output a display that can be visual.
5, monitoring apparatus as claimed in claim 1 is characterized in that, described indicating device includes warning devices, and this installs with can be visual, can hear of, maybe the mode that can feel represents that the output of described sensing apparatus has has met or exceeded a predefined limit.
6, monitoring apparatus as claimed in claim 4 is characterized in that, described indicating device and described signal processing apparatus are included in the Chronograph timepiece.
7, monitoring apparatus as claimed in claim 4 is characterized in that, described indicating device and described signal processing apparatus are included in one and show in the console panel.
8, monitoring apparatus as claimed in claim 7 is characterized in that, described demonstration console panel comprises a computer, and described signal processing apparatus has software programmable Digital Signal Analysis function.
9, monitoring apparatus as claimed in claim 1 is characterized in that, described holding device comprises the sensor harness of an adjustable in length, is used for described sensing apparatus is remained on a selected position of contiguous user health.
10, monitoring apparatus as claimed in claim 1 is characterized in that, described sensor harness comprises a watchband, is used for described sensor is remained on the position of contiguous user tremulous pulse.
11, monitoring apparatus as claimed in claim 10 is characterized in that, described watchband is used for supporting described signal processing apparatus and described indicating device.
12, monitoring apparatus as claimed in claim 11 is characterized in that, described signal processing apparatus, described indicating device and a Chronograph timepiece are encapsulated in the protecting sheathing.
13, monitoring apparatus as claimed in claim 12 is characterized in that, described sensing apparatus comprises a sensing component, and this assembly can be adjusted the relative position with protecting sheathing along watchband.
14, monitoring apparatus as claimed in claim 13 is characterized in that, described watchband comprises an electrical transmission element, is used for keeping the effective contact between described sensing component and the described protecting sheathing.
15, monitoring apparatus as claimed in claim 14 is characterized in that, described electrical transmission element comprises some idle electric elements.
16, monitoring apparatus as claimed in claim 1 is characterized in that, described signal processing apparatus comprises the filter with frequency dependence.
17, monitoring apparatus as claimed in claim 1 is characterized in that, described signal processing apparatus comprises the self correlation device.
18, a kind of multi-functional monitoring apparatus is used for supervising a plurality of desirable physiological functions, it is characterized in that this monitoring apparatus includes:
A plurality of sensing apparatus are used for the desirable physiological function of sensing, and these sensing apparatus are attached on the user health with removably;
Holding device is used for keeping described sensing apparatus, makes it a selected position of contiguous user health;
Signal processing apparatus is used for handling the output from sensing apparatus; With
Indicating device is used to provide a kind of appreciable output, and this output changes with the variation of described sensing apparatus output.
19, multi-functional monitoring apparatus as claimed in claim 18 is characterized in that, described sensing apparatus comprises the pulse sensing apparatus, temperature feeling detection sensing device and health dewatering state sensing apparatus.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPI9259 | 1988-07-12 | ||
| AUPI925988 | 1988-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1039351A true CN1039351A (en) | 1990-02-07 |
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ID=3773212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89104843 Pending CN1039351A (en) | 1988-07-12 | 1989-07-12 | Monitoring apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1039351A (en) |
| WO (1) | WO1990000366A1 (en) |
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| US4367752A (en) * | 1980-04-30 | 1983-01-11 | Biotechnology, Inc. | Apparatus for testing physical condition of a subject |
| US4450843A (en) * | 1980-11-24 | 1984-05-29 | Texas Instruments Incorporated | Miniature biofeedback instrument |
| FR2498921A1 (en) * | 1981-02-05 | 1982-08-06 | Labourgade Marc | Wrist wearable continuous heart rate indicator - uses ultrasonic transducer to measure Doppler frequency of reflected acoustic waves to provide LCD indication and audible alarm |
| DE3345739C2 (en) * | 1983-12-17 | 1986-10-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Device to be attached to the wrist for recording and displaying the pulse rate and other circulatory parameters that can be derived therefrom |
-
1989
- 1989-06-29 WO PCT/AU1989/000283 patent/WO1990000366A1/en unknown
- 1989-07-12 CN CN 89104843 patent/CN1039351A/en active Pending
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| CN100508876C (en) * | 2006-06-09 | 2009-07-08 | 深圳市丰泰瑞达实业有限公司 | Wrist watch for detecting human body physiological state |
| CN102579237A (en) * | 2012-03-08 | 2012-07-18 | 北京龙马负图科技有限公司 | Intermittent pneumatic compression system with venous refilling detecting function |
| CN102579237B (en) * | 2012-03-08 | 2014-03-12 | 北京龙马负图科技有限公司 | Intermittent pneumatic compression system with venous refilling detecting function |
| CN103536283B (en) * | 2012-07-17 | 2018-05-01 | 北京超思电子技术有限责任公司 | A kind of wrist strap type physiological information monitoring device |
| CN106102565A (en) * | 2014-05-23 | 2016-11-09 | 三星电子株式会社 | There is the scalable wearable system of modular sensor platform |
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| CN104523242A (en) * | 2014-12-01 | 2015-04-22 | 成都智信优创科技有限公司 | Wearable type health and medical wristwatch |
| CN108595002A (en) * | 2014-12-31 | 2018-09-28 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN108595002B (en) * | 2014-12-31 | 2021-03-19 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN104825146A (en) * | 2015-04-29 | 2015-08-12 | 防城港港美家建材市场投资股份有限公司 | Watch type cacosphyxia alarm |
| CN113993448A (en) * | 2019-05-29 | 2022-01-28 | 威尔图比有限公司 | Adjustable non-invasive wearable monitoring device |
| WO2021253292A1 (en) * | 2020-06-17 | 2021-12-23 | 深圳先进技术研究院 | Wearable median nerve ultrasonic stimulation device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1990000366A1 (en) | 1990-01-25 |
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