CN201775624U - Wrist type vital sign collection device - Google Patents
Wrist type vital sign collection device Download PDFInfo
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- CN201775624U CN201775624U CN2010202977526U CN201020297752U CN201775624U CN 201775624 U CN201775624 U CN 201775624U CN 2010202977526 U CN2010202977526 U CN 2010202977526U CN 201020297752 U CN201020297752 U CN 201020297752U CN 201775624 U CN201775624 U CN 201775624U
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Abstract
The utility model discloses a wrist type vital sign collection device, which comprises a wrist band and a processor, wherein the first output end of the processor is connected to the input end of an air-feeding driving circuit; an output end of the air-feeding driving circuit is connected to a control input end of an air pump; a second output end of the processor is connected to the input end of an air-releasing driving circuit; the output end of the air-releasing driving circuit is connected to the control input end of an air valve; a signal output end of a wrist band pressure sensor mounted on the wrist band is connected to a signal input end of a signal converter; a signal output end of the signal converter is connected to a first signal input end of the processor; a third output end of the processor is connected to a signal input end of a storage; the signal output end of a photoelectric detector is connected to a light/electric signal converting circuit; and the signal output end of the light/electric signal converting circuit is connected to a second signal input end of the processor. The wrist type vital sign collection device has the advantages that the device centralizes on collecting three important vital data of human body, shortens the rescuing time and is convenient to carry due to the wrist type design.
Description
Technical field
This utility model belongs to medical instruments field, relates in particular to a kind of wrist formula vital sign Acquisition Instrument.
Background technology
At present, in the domestic first aid pattern for the collection of the wounded's pulse, arteriotony and three kinds of vital sign information of arterial oxygen saturation, mainly be after depending on the medical worker and arriving the spot, perhaps after the sick and wounded send to First aid station, gather these traumatic condition data by the medical worker, thus the convenient rescue scheme of formulating.But present this way is will arrive accident spot the medical worker just can carry out the traumatic condition information gathering, and this has postponed rescue time to a certain extent.
The utility model content
The purpose of this utility model provides a kind of wrist formula vital sign Acquisition Instrument that can be when accident takes place can gather wounded's arteriotony and arterial oxygen saturation.
For achieving the above object, this utility model designs a kind of wrist formula vital sign Acquisition Instrument, comprise wrist strap, its key is: also comprise processor, first outfan of this processor is connected with the input of the drive circuit of supplying gas, the outfan of this drive circuit of supplying gas is connected with the control input end of air pump, this air pump is connected with the air inlet of described wrist strap, second outfan of described processor is connected with the venting drive circuit, the outfan of this venting drive circuit connects the control input end of air valve, this air valve is installed on the gas vent of described wrist strap, the wrist strap pressure transducer also is installed on the described wrist strap, the signal output part of this wrist strap pressure transducer is connected with the signal input part of signal adapter, the signal output part of this signal adapter is connected with first signal input part of described processor, described processor also is provided with the 3rd outfan, and the 3rd outfan of this processor is connected with the signal input part of memorizer;
Probe and photoelectric detector also are installed on the described wrist strap, and described photodetector signal outfan is connected with light/electrical signal conversion circuit, and the signal output part of this light/electrical signal conversion circuit is connected with the secondary signal input of described processor.
Wrist strap is pricked knot on arm, control the drive circuit of supplying gas by processor and drive air pump work, air pump work is to wrist strap pressurization inflation slowly, wrist strap pressure transducer on the wrist strap detects arteriotony, utilize the wrist strap interruption artery blood flow of inflation, when detecting inflation wrist strap pressure greater than arteriotony, processor control air pump quits work, processor control air valve is slowly exitted then, slowly in the process of venting, the wrist strap pressure transducer detects arteriotony, and arteriotony is transferred to processor, when detected wrist strap pressure during a little less than arteriotony, processor control air valve is closed, this moment, processor detected the wave of oscillation envelope of beating that comes from blood vessel wall, and find out the relation of beating between wave of oscillation envelope and the arteriotony, reach the purpose of measuring arteriotony, and the arteriotony transfer of data is preserved in memorizer, also can count simultaneously pulse, and the data of storage pulse.
The probe of installing on the wrist strap is three pairs of LEDs, these three pairs of LEDs replace red-emitting, infrared light and reference light, realize adopting the three-wavelength optical method to measure arterial oxygen saturation, wherein the three-wavelength optical method is according to oxygen and hemoglobin, the hemoglobin difference to HONGGUANG and infrared Absorption amount, then measure the ratio of infrared Absorption amount and red light absorption amount with spectra photometric method, according to Lambert-Beer rule and the oxygen conjugation of determining hemoglobin by the empirical scaling curve; In order to overcome the interference that limb motion produces in the mensuration process, one of them LED is used for transmitted-reference light between other two LEDs, and the reference light that sends satisfies: its absorption characteristic does not change with the variation of blood oxygen saturation.
The light after absorbing that the photoelectric detector receiving transducer sends, and with optical signal transmission to light/electrical signal conversion circuit, light/electrical signal conversion circuit converts the optical signal that receives to the signal of telecommunication of corresponding arterial oxygen saturation, and the signal of telecommunication of arterial oxygen saturation is transferred to processor, processor is saved in the signal of telecommunication of the arterial oxygen saturation that receives in the memorizer.
After accident takes place, utilize this device can in time gather the information of the wounded's arteriotony information, pulse and arterial oxygen saturation, reach and concentrate the collection of gathering three kinds of important human life data, this instrument to adopt the design of wrist formula, easy to carry.After the medical matters rescue personnel arrives the scene of the accident or the wounded is being delivered to First aid station such as hospital, medical personnel only need read the data of storing in the apparatus described in the utility model, need not to carry out once more the measurement of these data, thereby can formulate the rescue scheme rapidly, this has significantly reduced rescue time undoubtedly, and the sick and wounded have saved valuable time for treatment.
The described drive circuit of supplying gas is provided with first power field effect transistor, the grid of this first power field effect transistor is connected with first outfan of described processor, connect positive voltage behind first outfan series connection connection, first resistance of this processor, the drain electrode of described first power field effect transistor connects positive voltage, the source electrode of this first power field effect transistor is connected with an end of described air pump, the other end ground connection of this air pump, one end of described air pump also is connected with the positive pole of first stabilivolt, the minus earth of this first stabilivolt.
When needing to gather pulse, arteriotony information, processor is controlled the break-make of first power field effect transistor by the first outfan control signal, thus the work of control air pump.
Described venting drive circuit is provided with second power field effect transistor, the grid of this second power field effect transistor is connected with second outfan of described processor, connect positive voltage behind second outfan series connection connection, second resistance of this processor, missing of described second power field effect transistor connects positive voltage, the source electrode of this second power field effect transistor is connected with an end of described air valve, the other end ground connection of this air valve, one end of described air valve also is connected with the positive pole of second stabilivolt, the minus earth of this second stabilivolt.
After having gathered pulse and arteriotony information, processor is controlled the conducting of second power field effect transistor by the second outfan control signal, thereby opening of control air valve exitted fast to wrist strap, abandons finishing, second outfan stops to export control signal, and air valve is closed.
Described photoelectric detector is a phototriode, the base stage of this phototriode receives the light that described probe sends, the colelctor electrode of this phototriode connects positive voltage, the emitter stage of this phototriode is connected with the inverting input of the amplifier A that described light/electrical signal conversion circuit is provided with, ground connection behind normal phase input end series connection connection the 3rd resistance of this amplifier, the outfan of described amplifier is connected with the secondary signal input of described processor, and also cross-over connection has the 4th resistance between the outfan of described amplifier and inverting input.
Photoelectric detector receives the optical signal of representing the full degree of arterial blood oxygen, triggers the phototriode conducting, converts optical signal to the signal of telecommunication, and amplifier is transferred to processor after the signal of telecommunication is amplified, and by processor the full degree information of arterial blood oxygen is handled.
Remarkable result of the present utility model is: utilize this device can make things convenient for, concentrate the collection of gathering three kinds of important human life data, after the medical matters rescue personnel arrives the scene of the accident or the wounded is being delivered to First aid station such as hospital, medical personnel only need read the data of storing in the apparatus described in the utility model, need not to carry out once more the measurement of these data, thereby can formulate the rescue scheme rapidly, this has significantly reduced rescue time undoubtedly, and the sick and wounded have saved valuable time for treatment.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is for supplying gas and exit drive circuit figure;
Fig. 3 is light/electrical signal conversion circuit diagram.
The specific embodiment
Below in conjunction with the drawings and specific embodiments this utility model is described in further detail.
The example of described embodiment is exemplary shown in the accompanying drawing 1 to 3 by the embodiment that is described with reference to the drawings, and only is used to explain this utility model.
Shown in 1, wrist formula vital sign Acquisition Instrument comprises wrist strap, processor 1, and first outfan of this processor 1 is connected with the input of the drive circuit 2 of supplying gas, this outfan of supplying gas drive circuit 2 is connected with the control input end of air pump 3, and this air pump 3 is connected with the inflation inlet of wrist strap; Second outfan of processor 1 is connected with venting drive circuit 4, the outfan of this venting drive circuit 4 connects the control input end of air valve 5, this air valve 5 is installed in the gas vent of described wrist strap, wrist strap pressure transducer 6 also is installed on the wrist strap, the signal output part of this wrist strap pressure transducer 6 is connected with the signal input part of signal adapter 7, the signal output part of this signal adapter 7 is connected with first signal input part of described processor 1, described processor 1 also is provided with the 3rd outfan, and the 3rd outfan of this processor 1 is connected with the signal input part of memorizer 8; Processor 1 is controlled the drive circuit 2 of supplying gas and is driven air pumps 3 work, inflate to wrist strap, wrist strap pressure transducer 6 on the wrist strap detects wrist strap pressure greater than arteriotony, it is complete interruption artery blood flow, air pump 3 stops to the wrist strap pressurization of supplying gas, and flows backwards in order to prevent gas, also check valve should be installed on the pipeline between air pump 3 and the wrist strap, only allow air-flow inflation direction to flow, can not flow backwards.Behind the interruption artery blood flow, processor 1 control venting drive circuit 4 is exitted slowly, processor 1 receives the pressure signal of wrist strap pressure transducer 6 constantly, when wrist strap pressure transducer 6 detects wrist strap pressure and is slightly less than arteriotony, control stops venting, processor 1 detects the wave of oscillation envelope of beating that comes from blood vessel wall, find out the relation of beating between wave of oscillation envelope and the arteriotony, reach the purpose of measuring arteriotony, also pulse is detected simultaneously, and arteriotony, pulse data are transferred to preservation in the memorizer 8.
The probe of installing on the wrist strap 9 is three pairs of LEDs, wherein a pair of LED is between other two pairs of LEDs, be used for transmitted-reference light, these three pairs of LEDs replace red-emitting, infrared light and reference light, realize adopting the three-wavelength optical method to measure arterial oxygen saturation, wherein the three-wavelength optical method is according to oxygen and hemoglobin, hemoglobin is to the difference of HONGGUANG and infrared Absorption amount, then measure the ratio of infrared Absorption amount and red light absorption amount with spectra photometric method, according to Lambert-Beer rule and the oxygen conjugation of determining hemoglobin by the empirical scaling curve.
Utilize this device can gather the collection of three kinds of important human life data simultaneously, this instrument adopts the design of wrist formula, easy to carry, after having an accident, after the medical matters rescue personnel arrives the scene of the accident or the wounded is being delivered to First aid station such as hospital, medical personnel only need read the data of storing in the apparatus described in the utility model, need not to carry out once more the measurement of these data, thereby can formulate the rescue scheme rapidly, this has significantly reduced rescue time undoubtedly, and the sick and wounded have saved valuable time for treatment.
As shown in Figure 2, the drive circuit 2 of supplying gas is provided with the first power field effect transistor Q1, the grid of this first power field effect transistor Q1 is connected with first outfan of described processor 1, the first power field effect transistor Q1 is by processor 1 control triggering and conducting and shutoff, connect positive voltage after first outfan series connection connection, first resistance R 1 of this processor 1, the drain electrode of the first power field effect transistor Q1 connects positive voltage, the source electrode of this first power field effect transistor Q1 is connected with an end of air pump 3, the other end ground connection of this air pump 3, one end of described air pump 3 also is connected with the positive pole of the first stabilivolt DZ1, the minus earth of this first stabilivolt DZ1.
The positive voltage output end of power supply is connected with the positive pole of the first electrochemical capacitor C1, the minus earth of this electrochemical capacitor C1, and electrochemical capacitor has the effect of voltage stabilizing, and the positive voltage output end of power supply also connects series connection connection capacitor C 2 back ground connection, and capacitor C 2 plays the effect of filtering.
As shown in Figure 3, photoelectric detector 10 is phototriode Q3, the light of the full degree of the representative arterial blood oxygen after absorbing that the base stage receiving transducer 9 of this phototriode Q3 sends, the colelctor electrode of this phototriode Q3 connects positive voltage, the emitter stage of this phototriode Q3 is connected with the inverting input of amplifier A, normal phase input end series connection connection the 3rd resistance R 3 back ground connection of this amplifier A, the outfan of amplifier A is connected with the secondary signal input of described processor 1, also cross-over connection has the 4th resistance R 4 between the outfan of amplifier A and inverting input, amplifier A amplifies the signal of telecommunication of the full degree of arterial blood oxygen, be transferred to processor 1, the full degree information of arterial blood oxygen be saved in the memorizer 8 by processor 1 control.
The foregoing description also only is to be used to illustrate this utility model, is not for restriction of the present utility model, to improvement of the present utility model, all belongs to the scope of this utility model claim protection under design prerequisite of the present utility model.
Claims (4)
1. wrist formula vital sign Acquisition Instrument, comprise wrist strap, it is characterized in that: also comprise processor (1), first outfan of this processor (1) is connected with the input of the drive circuit of supplying gas (2), the outfan of this drive circuit of supplying gas (2) is connected with the control input end of air pump (3), this air pump (3) is connected with the inflation inlet of described wrist strap, second outfan of described processor (1) is connected with venting drive circuit (4), the outfan of this venting drive circuit (4) connects the control input end of air valve (5), this air valve (5) is installed in the gas vent of described wrist strap, wrist strap pressure transducer (6) also is installed on the described wrist strap, the signal output part of this wrist strap pressure transducer (6) is connected with the signal input part of signal adapter (7), the signal output part of this signal adapter (7) is connected with first signal input part of described processor (1), described processor (1) also is provided with the 3rd outfan, and the 3rd outfan of this processor (1) is connected with the signal input part of memorizer (8);
Probe (9) and photoelectric detector (10) also are installed on the described wrist strap, the signal output part of described photoelectric detector (10) is connected with light/electrical signal conversion circuit (11), and the signal output part of this light/electrical signal conversion circuit (11) is connected with the secondary signal input of described processor (1).
2. according to the described wrist formula of claim 1 vital sign Acquisition Instrument, it is characterized in that: the described drive circuit of supplying gas (2) is provided with first power field effect transistor (Q1), the grid of this first power field effect transistor (Q1) is connected with first outfan of described processor (1), connect positive voltage behind first outfan series connection connection first resistance (R1) of this processor (1), the drain electrode of described first power field effect transistor (Q1) connects positive voltage, the source electrode of this first power field effect transistor (Q1) is connected with an end of described air pump (3), the other end ground connection of this air pump (3), one end of described air pump (3) also is connected with the positive pole of first stabilivolt (DZ1), the minus earth of this first stabilivolt (DZ1).
3. according to the described wrist formula of claim 1 vital sign Acquisition Instrument, it is characterized in that: described venting drive circuit (4) is provided with second power field effect transistor (Q2), the grid of this second power field effect transistor (Q2) is connected with second outfan of described processor (1), connect positive voltage behind second outfan series connection connection second resistance (R2) of this processor (1), the drain electrode of described second power field effect transistor (Q2) connects positive voltage, the source electrode of this second power field effect transistor (Q2) is connected with an end of described air valve (5), the other end ground connection of this air valve (5), one end of described air valve (5) also is connected with the positive pole of second stabilivolt (DZ2), the minus earth of this second stabilivolt (DZ2).
4. according to the described wrist formula of claim 1 vital sign Acquisition Instrument, it is characterized in that: described photoelectric detector (10) is a phototriode (Q3), the base stage of this phototriode (Q3) receives the light that described probe (9) sends, the colelctor electrode of this phototriode (Q3) connects positive voltage, the emitter stage of this phototriode (Q3) is connected with the inverting input of the amplifier (A) that described light/electrical signal conversion circuit (11) is provided with, normal phase input end series connection connection the 3rd resistance (R3) the back ground connection of this amplifier (A), the outfan of described amplifier (A) is connected with the secondary signal input of described processor (1), and also cross-over connection has the 4th resistance (R4) between the outfan of described amplifier (A) and inverting input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202977526U CN201775624U (en) | 2010-08-19 | 2010-08-19 | Wrist type vital sign collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202977526U CN201775624U (en) | 2010-08-19 | 2010-08-19 | Wrist type vital sign collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201775624U true CN201775624U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202977526U Expired - Fee Related CN201775624U (en) | 2010-08-19 | 2010-08-19 | Wrist type vital sign collection device |
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| CN (1) | CN201775624U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103040442A (en) * | 2011-10-14 | 2013-04-17 | 无锡沃骐医疗科技有限公司 | Wrist type wireless monitoring device |
| CN103055416A (en) * | 2012-12-31 | 2013-04-24 | 常熟柏宇医疗电子有限公司 | Electronic anti-emesis instrument |
| CN106175789A (en) * | 2015-05-06 | 2016-12-07 | 置富存储科技(深圳)有限公司 | Wearable Physiological condition measuring device |
| CN107157463A (en) * | 2017-05-22 | 2017-09-15 | 京东方科技集团股份有限公司 | blood pressure test device and method |
-
2010
- 2010-08-19 CN CN2010202977526U patent/CN201775624U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103040442A (en) * | 2011-10-14 | 2013-04-17 | 无锡沃骐医疗科技有限公司 | Wrist type wireless monitoring device |
| CN103055416A (en) * | 2012-12-31 | 2013-04-24 | 常熟柏宇医疗电子有限公司 | Electronic anti-emesis instrument |
| CN106175789A (en) * | 2015-05-06 | 2016-12-07 | 置富存储科技(深圳)有限公司 | Wearable Physiological condition measuring device |
| CN107157463A (en) * | 2017-05-22 | 2017-09-15 | 京东方科技集团股份有限公司 | blood pressure test device and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20120819 |