CN204016282U - handheld physiological parameter detector - Google Patents
handheld physiological parameter detector Download PDFInfo
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- CN204016282U CN204016282U CN201420032037.8U CN201420032037U CN204016282U CN 204016282 U CN204016282 U CN 204016282U CN 201420032037 U CN201420032037 U CN 201420032037U CN 204016282 U CN204016282 U CN 204016282U
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- Prior art keywords
- electrocardioelectrode
- physiological parameter
- parameter detector
- housing
- pulse wave
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- Expired - Lifetime
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- 230000003287 optical effect Effects 0.000 claims abstract description 49
- 238000012545 processing Methods 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 31
- 230000001360 synchronised effect Effects 0.000 claims abstract description 15
- 210000003813 thumb Anatomy 0.000 claims description 22
- 238000012935 Averaging Methods 0.000 claims description 3
- 210000001015 abdomen Anatomy 0.000 claims description 3
- 230000003187 abdominal effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 5
- 210000003811 finger Anatomy 0.000 description 4
- 210000004247 hand Anatomy 0.000 description 4
- 210000003423 ankle Anatomy 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000011514 reflex Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
A kind of Handheld physiological parameter detector, comprising: housing, has containing cavity, sidewall, first surface and second surface; Ecg wave form measuring device, comprises the first electrode be located on the sidewall of shell one end, is located at the second electrode on the first surface of the housing other end, is placed in the electrocardio measuring circuit in the containing cavity of housing; First electrode and the second electrode are electrically connected with the two ends of electrocardio measuring circuit respectively, and the middle part of the second electrode is provided with the optical transmission window being communicated with containing cavity; Pulse wave measuring device, comprises the Optical Transmit Unit for launching light wave, for receiving light receiving unit and the photoelectric signal processing circuit of the light wave of light emitting units emitting; Photoelectric signal processing circuit, for controlling light emitting units emitting light wave, goes out pulse wave according to the signal measurement that light receiving unit receives; Optical Transmit Unit and light receiving unit are located at optical transmission window place.Above-mentioned measuring instrument can gather ecg wave form and pulse wave in same position high efficiency synchronous.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of Handheld physiological parameter detector.
Background technology
When carrying out physio-parameter detection, ecg wave form and pulse wave are two very important measure the items.Can pulse wave be measured by pulse wave sensor, by EGC sensor, the important information such as ecg wave form, heart rate can be measured.And by analyzing the ecg wave form that gathers and pulse wave simultaneously, PWTT(Pulse Wave Transit Time can be derived further, pulse transit time delay) etc. important information.And PWTT and blood pressure have stronger relatedness, by providing PWTT or the value of calculation (inverse as PWTT) based on PWTT, indirectly can reflect height and the variation tendency of blood pressure, family health care being detected there is important reference value.
And in actual applications, normally adopt ecg wave form instrument to measure ecg wave form, adopt finger clamping type oximeter to measure pulse wave.At present, multi-parameter detector pressure electrocardio measuring device and pulse wave measuring device integrated also is had.User due to multi-parameter detector is non-professional domestic consumer, and occupation mode mostly is tests oneself, and usual at least integrated two sensors, in order to ensure ease for use and the ease for maintenance of product, multiple sensor integration mode and rational deployment seem especially important.But the mode of the integrated EGC sensor of existing multi-parameter detector and pulse wave sensor is unreasonable, cause the high efficiency synchronous collection can not carrying out ecg wave form and pulse wave easily.
In addition, familial self ecg wave form measures the mode usually adopting sheet segment record, can start record after measured is ready to, therefore requires easy to operate and the measurement not affecting waveform recording starts control mode.
Utility model content
Based on this, be necessary provide a kind of applicable family to test oneself with and the Handheld physiological parameter detector of ecg wave form and pulse wave can be gathered in same position high efficiency synchronous.
A kind of Handheld physiological parameter detector, comprising:
Housing, have sidewall and relative first surface and second surface, and described sidewall, described first surface and described second surface encloses formation containing cavity;
Ecg wave form measuring device, comprise the first electrocardioelectrode, the second electrocardioelectrode and electrocardio measuring circuit, described first electrocardioelectrode is located at one end place of described housing, described second electrocardioelectrode is located on the first surface of the described housing other end, and described electrocardio measuring circuit is placed in the containing cavity of described housing; Described first electrocardioelectrode and described second electrocardioelectrode are electrically connected with the two ends of described electrocardio measuring circuit respectively, and the middle part of described second electrocardioelectrode is provided with the optical transmission window being communicated with described containing cavity;
Pulse wave measuring device, comprises Optical Transmit Unit, light receiving unit and photoelectric signal processing circuit; Described Optical Transmit Unit is for launching light wave, described light receiving unit is for receiving the light wave of described light emitting units emitting, described photoelectric signal processing circuit for controlling described light emitting units emitting light wave, and goes out pulse wave according to the signal measurement that described light receiving unit receives; Described Optical Transmit Unit and described light receiving unit are located at described optical transmission window place, so that the light wave of described light emitting units emitting is through described optical transmission window, and is positioned at the measuring point of described optical transmission window away from described second surface place and is reflexed on described light receiving unit.
Wherein in an embodiment, the measurement start key also comprising central processing unit and be electrically connected with described central processing unit;
Described central processing unit starts measure or stop to measure for controlling described electrocardio measuring circuit and described photoelectric signal processing circuit, and from described electrocardio measuring circuit and described photoelectric signal processing circuit synchronous acquisition ecg wave form signal and pulse wave signal; Described central processing unit goes out pulse wave transmission delay according to the ecg wave form signal of synchronous acquisition and pulse wave signal measurement; Described measurement start key is for controlling the collection of described central processing unit synchronous averaging ecg wave form signal and pulse wave signal.
Wherein in an embodiment, the sample rate that described ecg wave form measuring device gathers ecg wave form is not less than 200Hz.
Wherein in an embodiment, described measurement start key is located between described second electrocardioelectrode and described second surface, described Optical Transmit Unit and described light receiving unit are between described measurement start key and described second electrocardioelectrode, and described second electrocardioelectrode is connected with the inwall of described housing is movable; When pressing described second electrocardioelectrode, described second electrocardioelectrode moves towards described second surface, and triggers described measurement start key.
Wherein in an embodiment, also comprise the display unit be electrically connected with described central processing unit and the memory element be electrically connected with described central processing unit; Ecg wave form signal after described central processing unit process, then shows through described display unit, and is stored in described memory element.
Wherein in an embodiment, described display unit also display pulse waveform, pulse transit time delay with based at least one in the value of calculation of pulse transit time delay.
Wherein in an embodiment, described second electrocardioelectrode is circular.
Wherein in an embodiment, described second electrocardioelectrode is caved in be formed away from the surface of described containing cavity and is referred to thumb of being grown up the inner fovea part that abdominal section coordinates.
Wherein in an embodiment, described optical transmission window is circular or square, and the area of described optical transmission window is no more than 1/2 of described second electrocardioelectrode area.
Wherein in an embodiment, described first electrocardioelectrode is located on the sidewall of described shell one end, and described first electrocardioelectrode is elongated, and the length of described first electrocardioelectrode is not less than 1/3 of adult's palm width;
Or described first electrocardioelectrode is located on the first surface of described shell one end, described first electrocardioelectrode is rounded, the area of described first electrocardioelectrode be not less than adult's thumb refer to the outside of belly long-pending 1/4.
Wherein in an embodiment, described housing is cuboid, and the sidewall being positioned at described enclosure corner place is arc-shaped.
When using above-mentioned Handheld physiological parameter detector to measure ecg wave form and pulse wave, the thumb press of measured's hands is in the second electrocardioelectrode, and the first electrocardioelectrode then touches the thumb of an other hands of measured, the skin of finger near the part of palm, palm, chest or ankle position.Thus the first electrocardioelectrode, the second electrocardioelectrode, electrocardio measuring circuit and measured form loop, can realize the measurement of ecg wave form.And the light wave that the Optical Transmit Unit being positioned at containing cavity occurs transfers on thumb by optical transmission window, and through thumb reflex on light receiving unit, the measurement of pulse wave can be realized.Thus above-mentioned physiological parameter measuring device can gather ecg wave form and pulse wave in same position high efficiency synchronous, and then the important informations such as ecg wave form, pulse wave and pulse transit time delay can be obtained, effectively reduce detection time.And above-mentioned Handheld physiological parameter detector is easy-to-use, easy care, is applicable to very much layman and tests oneself at home use.
In addition, existing Handheld physiological parameter detector, when measuring ecg wave form, needs the start key of first started by press ecg wave form measuring device.After started by press key, system is reserved with certain time, so that the first electrocardioelectrode contacts with measured respectively with the second electrocardioelectrode.After reaching system reserved time, no matter whether the first electrocardioelectrode contacts with measured with the second electrocardioelectrode, and Handheld physiological parameter detector will start to measure ecg wave form automatically.The mode that measurement due to domestic ecg wave form adopts the short time to gather usually, as 30 seconds.If measured fails to be ready within the time that system is reserved, in the acquisition time of 30 seconds, the situation not collecting ecg wave form completely may be there is, or there is the situation of the incomplete ecg wave form gathered, reduce ease for use and the amount accuracy of Handheld physiological parameter detector.When there is the start key of multiple sensor in Handheld physiological parameter detector, multiple start key can make measured produce to obscure, particularly, when measured exists obvious physical discomfort, more easily occur the situation pushing the wrong start key.
And when measuring start key and being located between the second electrocardioelectrode and second surface, measurement can be started by pressing the second electrocardioelectrode, very convenient.Thus make above-mentioned Handheld physiological parameter detector be applicable to family to test oneself with and ecg wave form and pulse wave can be gathered in same position high efficiency synchronous, can also under the prerequisite not affecting waveform recording easily control survey start.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Handheld physiological parameter detector of an embodiment;
Fig. 2 is the module map of the Handheld physiological parameter detector in Fig. 1;
Fig. 3 is the second electrocardioelectrode in an embodiment and the assembly drawing measuring start key;
Fig. 4 is the working state figure of the Handheld physiological parameter detector in Fig. 1.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But this utility model can realize with multiple different form, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in description of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction this utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figures 1 and 2, the Handheld physiological parameter detector 10 of an embodiment, housing 100, ecg wave form measuring device 200, pulse wave measuring device 300, measurement start key 400, central processing unit 500, display unit 600 and memory element 700.
Housing 100 has sidewall 110 and relative first surface 120 and second surface 130, and sidewall 110, first surface 120 and second surface 130 enclose formation one containing cavity (not shown).In the present embodiment, housing 100 is in cuboid.The housing 100 of employing cuboid can under guaranteeing that Handheld physiological parameter detector 10 has undersized prerequisite, guarantee that the first electrocardioelectrode 210 and the second electrocardioelectrode 220 have enough spacing, thus prevent the contact skin at two measured positions to affecting signals collecting together.Be appreciated that in other embodiments, housing 100 also can be other shapes such as cylindrical.When housing 100 is in cylindrical, two circular surfaces of housing 100 are respectively first surface 120 and second surface 130.The sidewall being positioned at housing 100 corner is arc-shaped, thus not easily occurs that housing 100 is damaged the situation of measured.
Ecg wave form measuring device 200 comprises the first electrocardioelectrode 210, second electrocardioelectrode 220 and electrocardio measuring circuit 230.First electrocardioelectrode 210 is located at one end place of housing 100, and the second electrocardioelectrode 220 is located on the first surface 120 of housing 100 other end, and electrocardio measuring circuit 230 is placed in the containing cavity of housing 100.
In the present embodiment, the first electrocardioelectrode 210 is located on the sidewall of one end of housing 100.Be appreciated that in other embodiments, the first electrocardioelectrode 210 also can be located on the first surface 220 of one end of housing 100.
Further, in the present embodiment, the first electrocardioelectrode 210 is elongated, and for contact near the part of palm, palm, chest or ankle with finger, and its length is not less than 1/3 of adult's palm width, and greatly, measuring-signal is better for contact area.And when on the first surface 220 that the first electrocardioelectrode 210 also can be located at one end of housing 100, first electrocardioelectrode 210 is rounded, for thumb press, and the area of the first electrocardioelectrode 210 be not less than adult's thumb refer to the outside of belly long-pending 1/4, be arranged to circle, the utilization rate of its area is maximum.Be appreciated that the first electrocardioelectrode 210 also can be other shapes.
First electrocardioelectrode 210 and the second electrocardioelectrode 220 are electrically connected with the two ends of electrocardio measuring circuit 230 respectively.Wherein, the middle part of the second electrocardioelectrode 220 is provided with the optical transmission window 222 being communicated with containing cavity.The material of the first electrocardioelectrode 210 and the second electrocardioelectrode 220 is the copper sheet that surface is coated with nickel.
In the present embodiment, the second electrocardioelectrode 220 is rounded.Be appreciated that the second electrocardioelectrode 220 also can be other shapes.
Optical transmission window 222 is rounded or square, and the area of optical transmission window 222 is no more than 1/2 of the second electrocardioelectrode 220 area.Because optical transmission window 222 is non-conductive, the contact area of skin and the second electrocardioelectrode 220 can be affected.Therefore, the area relationship of optical transmission window 222 and the second electrocardioelectrode 220 is extremely important.Optical transmission window 222 is too little to be unfavorable for the injection of light wave and to inject, and optical transmission window 222 is too large, may occur the situation that effectively cannot gather ecg wave form.
Further, in the present embodiment, the second electrocardioelectrode 220 is caved in be formed away from the surface of containing cavity and is referred to thumb 22 of being grown up the inner fovea part (scheming not mark) that abdominal section coordinates.Thus under smaller thumb pressure, ensure the reliable contacts of thumb 22 skin and the second electrocardioelectrode 220.Like this be designed with to be beneficial to is reduced to thumb position applied pressure when collecting high-quality ecg wave form, reduces the pressure of thumb 22 at optical transmission window 222, thus can collect larger pulse wave amplitude.When thumb press partial pressure is too large, easily causes thrombosis thus reduce the pulse wave amplitude that collects.In addition, the design of inner fovea part also helps the accurate location of thumb in the second electrocardioelectrode 220.
Pulse wave measuring device 300 comprises Optical Transmit Unit 310, light receiving unit 320 and photoelectric signal processing circuit 330.Optical Transmit Unit 310 is for launching light wave, and light receiving unit 320 is for receiving the light wave of Optical Transmit Unit 320 transmitting.Photoelectric signal processing circuit 330 launches light wave for controlling Optical Transmit Unit 310, and goes out pulse wave according to the signal measurement that light receiving unit 320 receives.Optical Transmit Unit 310 and light receiving unit 320 are located at optical transmission window 222 place, so that the light wave that Optical Transmit Unit 310 is launched is through optical transmission window 222, and is positioned at the measuring point of optical transmission window 222 away from second surface 130 place and reflexes on light receiving unit 320.Wherein, Optical Transmit Unit 310 emission wavelength is the light wave of 500 ~ 950nm.
In the present embodiment, Optical Transmit Unit 310 is electrically connected by optic electric interface unit 340 and photoelectric signal processing circuit 330 with light receiving unit 320.In order to protect Optical Transmit Unit 310 and light receiving unit 320, optical transmission window 222 is coated with substratum transparent (not shown) on the side of first surface 120.
Measure start key 400 to be electrically connected, for controlling the collection of central processing unit 500 synchronous averaging ecg wave form signal and pulse wave signal with central processing unit 500.As shown in Figure 3, in the present embodiment, measure start key 400 to be located between the second electrocardioelectrode 220 and second surface 130.Optical Transmit Unit 310 and light receiving unit 320 are being measured between start key 400 and the second electrocardioelectrode 220.Second electrocardioelectrode 220 is connected with the inwall of housing 100 is movable.When pressing the second electrocardioelectrode 220, the second electrocardioelectrode 220 moves towards second surface 130, and triggers measurement start key 400.Be appreciated that in other embodiments, measurement start key 400 and the second electrocardioelectrode 220 can be provided separately.
Central processing unit 500 is for controlling electrocardio measuring circuit 230 and photoelectric signal processing circuit 330 startup measurement or stopping measuring, and from electrocardio measuring circuit 230 and photoelectric signal processing circuit 330 synchronous acquisition ecg wave form signal and pulse wave signal, central processing unit 500 goes out pulse wave transmission delay according to the ecg wave form signal of synchronous acquisition and pulse wave signal measurement.In the present embodiment, in order to collect cardiac electrical R ripple spike exactly to ensure the certainty of measurement of PWTT, the sample rate that ecg wave form measuring device 200 gathers ecg wave form is not less than 200Hz.In addition, it should be noted that " synchronously " in the present invention is relative concept, can certain error be there is.
Display unit 600 and central processing unit 500 are electrically connected, and ecg wave form signal and pulse wave signal after central processing unit 500 processes, then show through display unit 600.Display unit 600 shows ecg wave form.Display unit 600 go back display pulse waveform, pulse transit time delay with based at least one in the value of calculation of pulse transit time delay.In the present embodiment, display unit 600 is located on first surface 120.
Memory element 700 and central processing unit 500 are electrically connected, for storing ecg wave form.Memory element 700 can also store pulse wave, pulse transit time delay and the information such as value of calculation based on pulse transit time delay.
Further, in the present embodiment, the area of the second electrocardioelectrode 220 is the length of the 2/3 ~ 4/3, first electrocardioelectrode 210 of the area of adult's thumb is 2/3 ~ 1 of adult's palm width.
As shown in Figure 4, when using above-mentioned Handheld physiological parameter detector 10 to measure ecg wave form and pulse wave, the thumb 22 of measured's hands 20 is by being pressed in the second electrocardioelectrode 220, and the first electrocardioelectrode 210 touches the thumb of an other hands 30 of measured, the skin of finger near the part of palm, palm, chest or ankle position.Thus the first electrocardioelectrode 210, second electrocardioelectrode 220, electrocardio measuring circuit 230 form loop with measured, can realize the measurement of ecg wave form.And the light wave that the Optical Transmit Unit 310 being positioned at containing cavity occurs transfers on thumb 22 by optical transmission window 222, and reflex on light receiving unit 320 through thumb 22, the measurement of pulse wave can be realized.Thus above-mentioned physiological parameter measuring device 10 can gather ecg wave form and pulse wave in same position high efficiency synchronous, and then the important informations such as ecg wave form, pulse wave and pulse transit time delay can be obtained, effectively reduce detection time.And above-mentioned Handheld physiological parameter detector 10 is easy-to-use, easy care, is applicable to very much layman and tests oneself at home use.
And when measuring start key 400 and being located between the second electrocardioelectrode 220 and second surface 130, measurement can be started by pressing the second electrocardioelectrode 200, very convenient.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (11)
1. a Handheld physiological parameter detector, is characterized in that, comprising:
Housing, have sidewall and relative first surface and second surface, and described sidewall, described first surface and described second surface encloses formation containing cavity;
Ecg wave form measuring device, comprise the first electrocardioelectrode, the second electrocardioelectrode and electrocardio measuring circuit, described first electrocardioelectrode is located at one end place of described housing, described second electrocardioelectrode is located on the first surface of the described housing other end, and described electrocardio measuring circuit is placed in the containing cavity of described housing; Described first electrocardioelectrode and described second electrocardioelectrode are electrically connected with the two ends of described electrocardio measuring circuit respectively, and the middle part of described second electrocardioelectrode is provided with the optical transmission window being communicated with described containing cavity;
Pulse wave measuring device, comprises Optical Transmit Unit, for receiving light receiving unit and the photoelectric signal processing circuit of the light wave of described light emitting units emitting; Described photoelectric signal processing circuit to control described light emitting units emitting light wave, and go out the photoelectric signal processing circuit of pulse wave according to the signal measurement that described light receiving unit receives; Described Optical Transmit Unit and described light receiving unit are located at described optical transmission window place, so that the light wave of described light emitting units emitting is through described optical transmission window, and is positioned at the measuring point of described optical transmission window away from described second surface place and is reflexed on described light receiving unit.
2. Handheld physiological parameter detector according to claim 1, is characterized in that, the measurement start key also comprising central processing unit and be electrically connected with described central processing unit;
Described central processing unit can control described electrocardio measuring circuit and described photoelectric signal processing circuit startup measurement or stop measuring, and from described electrocardio measuring circuit and described photoelectric signal processing circuit synchronous acquisition ecg wave form signal and pulse wave signal, and the central processing unit of pulse wave transmission delay can be gone out according to the ecg wave form signal of synchronous acquisition and pulse wave signal measurement; Described measurement start key is the measurement start key of the collection that can control described central processing unit synchronous averaging ecg wave form signal and pulse wave signal.
3. Handheld physiological parameter detector according to claim 2, is characterized in that, the sample rate that described ecg wave form measuring device gathers ecg wave form is not less than 200Hz.
4. Handheld physiological parameter detector according to claim 2, it is characterized in that, described measurement start key is located between described second electrocardioelectrode and described second surface, described Optical Transmit Unit and described light receiving unit are between described measurement start key and described second electrocardioelectrode, and described second electrocardioelectrode is connected with the inwall of described housing is movable.
5. Handheld physiological parameter detector according to claim 2, is characterized in that, also comprises the display unit be electrically connected with described central processing unit and the memory element be electrically connected with described central processing unit.
6. Handheld physiological parameter detector according to claim 5, is characterized in that, described display unit also display pulse waveform, pulse transit time delay with based at least one in the value of calculation of pulse transit time delay.
7. Handheld physiological parameter detector according to claim 1, is characterized in that, described second electrocardioelectrode is rounded.
8. Handheld physiological parameter detector according to claim 7, is characterized in that, described second electrocardioelectrode is caved in be formed away from the surface of described containing cavity and referred to thumb of being grown up the inner fovea part that abdominal section coordinates.
9. Handheld physiological parameter detector according to claim 1, is characterized in that, described optical transmission window is rounded or square, and the area of described optical transmission window is no more than 1/2 of described second electrocardioelectrode area.
10. Handheld physiological parameter detector according to claim 1, it is characterized in that, described first electrocardioelectrode is located on the sidewall of described shell one end, and described first electrocardioelectrode is elongated, and the length of described first electrocardioelectrode is not less than 1/3 of adult's palm width;
Or described first electrocardioelectrode is located on the first surface of described shell one end, described first electrocardioelectrode is rounded, the area of described first electrocardioelectrode be not less than adult's thumb refer to the outside of belly long-pending 1/4.
11. Handheld physiological parameter detector according to claim 1, is characterized in that, described housing is cuboid, and the sidewall being positioned at described enclosure corner place is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032037.8U CN204016282U (en) | 2014-01-17 | 2014-01-17 | handheld physiological parameter detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032037.8U CN204016282U (en) | 2014-01-17 | 2014-01-17 | handheld physiological parameter detector |
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| CN204016282U true CN204016282U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420032037.8U Expired - Lifetime CN204016282U (en) | 2014-01-17 | 2014-01-17 | handheld physiological parameter detector |
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| CN (1) | CN204016282U (en) |
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2014
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Granted publication date: 20141217 |