CN108670227A - A kind of portable artery survey meter - Google Patents
A kind of portable artery survey meter Download PDFInfo
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- CN108670227A CN108670227A CN201810501332.6A CN201810501332A CN108670227A CN 108670227 A CN108670227 A CN 108670227A CN 201810501332 A CN201810501332 A CN 201810501332A CN 108670227 A CN108670227 A CN 108670227A
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- 210000001367 artery Anatomy 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000003321 amplification Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000010349 pulsation Effects 0.000 abstract description 21
- 210000004204 blood vessel Anatomy 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 3
- 230000017531 blood circulation Effects 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
- A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
-
- 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
- A61B5/02433—Details of sensor for infrared radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
- A61B7/04—Electric stethoscopes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Physiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Power Engineering (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Psychiatry (AREA)
- Pulmonology (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention discloses a kind of portable artery survey meter, including main casing and detecting head, the upper end of main casing is provided with digital display tube DG, signal access terminal and handle, and detecting head placing groove is provided on the left of main casing；Detecting head is assemblied in detecting head placing groove.Portable artery survey meter provided by the invention, passes through the temperature of the detectable skin surface of electronic thermometer；The voice signal that arterial pulsation is detected with sound-detection gear MIC is played after amplifier circuit for sound frequency signal amplifies by loud speaker SP, by listening the sound of arterial pulsation to judge to be whether blood vessel has blocking, judges whether blood vessel is normal；Arteriopalmus light pulse signal can detect using reflecting light electric-type pulse transducer, after signal is amplified conversion and the analysis counting of chip U3 processing, it is shown by digital display tube DG, obtain the number of arterial pulsation, handle by lifting flat strip can easily move main casing, easy to carry.
Description
Technical field
The present invention relates to arterial pulsation detection technique field, specially a kind of portable artery survey meter.
Background technology
Existing medical staff observes patient's arterial pulsation usually using artificial detection, hand is placed at patient's artery, subjectivity is sentenced
Whether disconnected artery blocks, inaccurate, and doppler detector volume is big, not readily portable to use to ward, and present skin
It is also subjective judgement that lower temperature, which measures, very inaccurate, to solve the above problems, therefore proposing a kind of portable artery survey meter.
Invention content
The purpose of the present invention is to provide a kind of portable artery survey meters, to solve people mentioned above in the background art
Work detects the problems such as subjective judgement is inaccurate, and detection machine body accumulates huge not Portable belt.
To achieve the above object, the present invention provides the following technical solutions：
A kind of portable artery survey meter, including main casing and detecting head, the upper end of main casing are provided with digital display tube
DG, signal access terminal and handle, and detecting head placing groove is provided on the left of main casing；The detecting head is assemblied in detecting head placement
In slot, the bottom end of detecting head is equipped with sound-detection gear MIC, and the upper end of detecting head is equipped with signal contact interface；The signal contact
Interface connects signal output line, and the other end connection signal of signal output line accesses terminal.
Preferably, circuit board is installed in the main casing, amplifier circuit for sound frequency signal, audio letter are integrated on circuit board
Number amplifying circuit includes amplifier OP1 and amplifier OP2, the pin 2 of amplifier OP1 connecting resistance R3, capacitance C2, resistance R1 successively
The pin 4 of amplifier OP2 is connect, the input terminating resistor R4 of the both ends shunt-wound capacitance C1 of capacitance C2 and resistance R1, resistance R3, which connect, to be put
The pin 1 of big device OP1, the pin 3 of amplifier OP1 meet capacitance C3 and meet loud speaker SP, the output terminating resistor R5 of amplifier OP1 and
Resistance R2 connects the pin 4 of amplifier OP2, and the pin 1 of amplifier OP1 connects the pin 2 that capacitance C4 and resistance R6 meets amplifier OP2,
The output terminating resistor R7 of resistance R6 connects the pin 1 of amplifier OP2, and the pin 1 of amplifier OP2 meets capacitance C5 and meets loud speaker SP；
The anode of sound-detection gear MIC connects the input terminal of capacitance C2, the output end of the cathode connecting resistance R5 of sound-detection gear MIC.
Preferably, the bottom end of the detecting head is equipped with photo-electric pulse transducer, and photo-electric pulse transducer is fixedly mounted
Electronic thermometer is installed on the front center of sound-detection gear MIC, main casing, the test side of electronic thermometer is located at sound
On detector MIC, the display end of electronic thermometer is located at the top of main casing.
Preferably, be integrated on the circuit board beat pulse count circuit, beat pulse count circuit include chip U1,
The 1 connecting resistance R6 of pin of chip U2, chip U3 and operational amplifier OP3, chip U1 connect power input, the pin 2 of chip U1
Ground connection, the pin 3 series resistor R7 and resistance R8 of chip U1 connect the pin 2 of operational amplifier OP3, and the pin 4 of chip U1 is grounded,
Wherein resistance R6 and chip U1 constitute signal deteching circuit；The 3 connecting resistance R9 of pin of the operational amplifier OP3 connects operation amplifier
The pin 1 of device OP3, the input end grounding of resistance R11, resistance R7, resistance R8 resistance R9 and operational amplifier OP3 constitute signal and put
Big circuit；The pin 1 of the operational amplifier OP3 connects the pin 14 of chip U2, and the 10 connecting resistance R10 of pin of chip U2 connects power supply
Input terminal, the 4 series resistor R11 of pin of chip U2 connect the pin 13 of chip U3, and the input termination capacitor C6 of resistance R11 is grounded,
The pin 5 and pin 6 of chip U2 connect the output end of capacitance C6, and the output termination capacitor C7 of resistance R11 is grounded, and the two of capacitance C7
It holds and connecting resistance R12, chips U2, resistance R10, resistance R11, resistance R12, capacitance C6 and capacitance C7 constitutes AD conversion electricity
Road；The pin 33 to 40 of the chip U3 connects the pin 8 to 1 of digital display tube DG successively.
Preferably, the bottom end of the electronic thermometer, photo-electric pulse transducer and electronic thermometer is located at a plane
On.
Preferably, the reception mode of the photo-electric pulse transducer is using reflective.
Preferably, the model AT89C51 of the model AD651 of the chip U2, chip U3.
Preferably, the handle is located at the upper-center of main casing, and handle is flat strip.
Compared with prior art, the beneficial effects of the invention are as follows：
1, this portable artery survey meter can real-time detection skin by electronic thermometer when measuring human body artery bounce
The temperature on skin surface.
2, this portable artery survey meter, the voice signal of arterial pulsation is detected with sound-detection gear MIC, is believed by audio
Number amplifying circuit amplifies voice signal, is played finally by loud speaker SP, so that arterial pulsation sound is clearly carried on the back and hear,
It is whether blood vessel has blocking by the sound judgement of arterial pulsation, if blocking, without arterial pulsation sound or arterial pulsation sound
Sound is irregular, and blood vessel is normal, then can hear regular arterial pulsation sound, by the way that artery sound is amplified whether can detect blood vessel
Normally.
3, this portable artery survey meter, intravascular volume can be accurately measured using reflecting light electric-type pulse transducer
Variation, in use, can be contacted any position of human body and be measured, when the blood flow of irradiated site changes with heartbeat
When change, the thyristor in chip U1 is just received periodically to be shunk and the arteriopalmus light pulse signal of diastole with heart, from
And heartbeat signal is collected, after signal is amplified conversion and analysis counting processing, shown by digital display tube DG,
The number of the arterial pulsation within the unit interval is can be obtained, it is easy to operate, convenient for measuring the jumping frequency rate of artery.
4, this portable artery survey meter, detecting head is placed in detecting head placing groove, and it is convenient to place, flat by lifting
The handle of flat strip can easily move main casing, easy to carry.
Description of the drawings
Fig. 1 is that the main casing of the present invention connect vertical view with detecting head；
Fig. 2 is the A-A case sectional views of Fig. 1 of the present invention；
Fig. 3 is the detecting head bottom view of the present invention；
Fig. 4 is the amplifier circuit for sound frequency signal of the present invention；
Fig. 5 is signal deteching circuit, signal amplification circuit and the A/D converter circuit connection figure of the present invention；
Fig. 6 is the digital display tube display circuit figure of the present invention.
In figure：1 main casing, 11 digital display tube DG, 12 signals access terminal, 13 handles, 14 detecting head placing grooves, 15 electricity
Road plate, 2 detecting heads, 21 sound-detection gear MIC, 22 signal contact interfaces, 23 signal output lines, 24 photo-electric pulse transducers,
25 electronic thermometers.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, a kind of portable artery survey meter, including main casing 1 and detecting head 2, the upper end of main casing 1 are set
It is equipped with digital display tube DG11, signal access terminal 12 and handle 13, handle 13 and is located at the upper-center of main casing 1, handle 13
Left side for flat strip, main casing 1 is provided with detecting head placing groove 14；Detecting head 2 is assemblied in detecting head placing groove 14, is visited
The bottom end of gauge head 2 is equipped with sound-detection gear MIC21, and the upper end of detecting head 2 is equipped with signal contact interface 22；Signal contact interface 22
Signal output line 23 is connect, the other end connection signal of signal output line 23 accesses terminal 12；The bottom end of detecting head 2 is equipped with photo-electric
Pulse transducer 24, photo-electric pulse transducer 24 are fixedly mounted on the front center of sound-detection gear MIC21, photo-electric pulse
The reception mode of sensor 24 is equipped with electronic thermometer 25, the test side of electronic thermometer 25 using reflective on main casing 1
On sound-detection gear MIC21, the display end of electronic thermometer 25 is located at the top of main casing 1；Electronic thermometer 25, photoelectricity
The bottom end of formula pulse transducer 24 and electronic thermometer 25 is located in a plane；
Referring to Fig. 4, being equipped with circuit board 15 in main casing 1, amplifier circuit for sound frequency signal, sound are integrated on circuit board 15
Frequency signal amplification circuit includes amplifier OP1 and amplifier OP2, the pin 2 of amplifier OP1 connecting resistance R3, capacitance C2, electricity successively
Resistance R1 meets the pin 4 of amplifier OP2, the input terminating resistor R4 of the both ends shunt-wound capacitance C1 of capacitance C2 and resistance R1, resistance R3
The pin 1 of amplifier OP1 is connect, the pin 3 of amplifier OP1 meets capacitance C3 and connects loud speaker SP, the output terminating resistor of amplifier OP1
R5 and resistance R2 connects the pin 4 of amplifier OP2, and the pin 1 of amplifier OP1 meets capacitance C4 and resistance R6 connects drawing for amplifier OP2
Foot 2, the output terminating resistor R7 of resistance R6 connect the pin 1 of amplifier OP2, and the pin 1 of amplifier OP2 meets capacitance C5 and connects loud speaker
SP；The anode of sound-detection gear MIC21 connects the input terminal of capacitance C2, the output of the cathode connecting resistance R5 of sound-detection gear MIC21
End；
Fig. 5-6 is please referred to, beat pulse is integrated on circuit board 15 and counts circuit, it includes chip that beat pulse, which counts circuit,
U1, chip U2, chip U3, operational amplifier OP3 and digital display tube DG11, the model AD651 of chip U2, the type of chip U3
Number it is AT89C51, the 1 connecting resistance R6 of pin of chip U1 connects power input, and the pin 2 of chip U1 is grounded, the pin 3 of chip U1
Series resistor R7 and resistance R8 connects the pin 2 of operational amplifier OP3, and the pin 4 of chip U1 is grounded, wherein resistance R6 and chip U1
Constitute signal deteching circuit；The 3 connecting resistance R9 of pin of operational amplifier OP3 connects the pin 1 of operational amplifier OP3, resistance R11's
Input end grounding, resistance R7, resistance R8 resistance R9 and operational amplifier OP3 constitute signal amplification circuit；Operational amplifier OP3's
Pin 1 connects the pin 14 of chip U2, and the 10 connecting resistance R10 of pin of chip U2 connects power input, and the pin 4 of chip U2 concatenates electricity
Resistance R11 connects the pin 13 of chip U3, and the input termination capacitor C6 ground connection of resistance R11, the pin 5 and pin 6 of chip U2 connect electricity
Hold the output end of C6, the output termination capacitor C7 ground connection of resistance R11, the both ends of capacitance C7 and connecting resistance R12, chips U2,
Resistance R10, resistance R11, resistance R12, capacitance C6 and capacitance C7 constitute A/D converter circuit；The pin 33 to 40 of chip U3 connects successively
The pin 8 to 1 of digital display tube DG11.
A kind of operating process of portable artery survey meter, includes the following steps：
The first step：Detecting head 2 is placed in detecting head placing groove 14, main casing 1 is lifted by handle 13 and by its band
To operating position；
Second step：Detecting head 2 is taken out, by the bottom end of detecting head 2 close to human skin surface, the bottom end of electronic thermometer 25
It is bonded with skin surface, measures human surface temperature and is shown on the top of detecting head 2；
Third walks：Sound-detection gear MIC21 is bonded human skin surface, and the sound of arterial pulsation is transmitted by solid state medium
Sound-detection gear MIC21 is given, the voice signal detected is amplified by amplifier circuit for sound frequency signal, and passes through loud speaker SP
Play the sound of arterial pulsation；
4th step：Photo-electric pulse transducer 24 is bonded the skin surface of human body any position, passes through the infrared of chip U1
LED illumination human body, when the blood flow of irradiated site changes with heartbeat, infrared receiver is popped one's head in (i.e. in chip U1
Thyristor) it just receives and is periodically shunk with heart and the arteriopalmus light pulse signal of diastole, it fights to collect heart
Dynamic signal, the pulse signal received carry out signal amplification by signal amplification circuit, and the pulse signal of amplification passes through AD conversion
Circuit converts analog signals into digital signal, then gives chip U3, chip U3 to handle signal digital data transmission
It is shown afterwards in the upper end of main casing 1 by digital display tube DG11.
In summary：Portable artery survey meter provided by the invention passes through electronics temperature when measuring human body artery bounce
Degree meter can real-time detection skin surface temperature；The voice signal that arterial pulsation is detected with sound-detection gear MIC21, passes through audio
Signal amplification circuit amplifies voice signal, is played finally by loud speaker SP, so that arterial pulsation sound is clearly carried on the back and listen
It arrives, is whether blood vessel has blocking by the sound judgement of arterial pulsation, if blocking, without arterial pulsation sound or arterial pulsation
Sound is irregular, and blood vessel is normal, then can hear regular arterial pulsation sound, is by the way that artery sound is amplified detectable blood vessel
No normally；Intravascular volume variation can accurately be measured using reflecting light electric-type pulse transducer 24, it in use, can
It is contacted any position of human body to measure, when the blood flow of irradiated site changes with heartbeat, in chip U1
Thyristor is just received periodically to be shunk and the arteriopalmus light pulse signal of diastole with heart, to collect heartbeat
Signal is shown after signal is amplified conversion and the analysis counting of chip U3 processing by digital display tube DG11, you can
It is easy to operate to the number of the arterial pulsation within the unit interval, convenient for measuring the jumping frequency rate of artery；Detecting head is placed on spy
In gauge head placing groove, it is convenient to place, and the handle by lifting flat strip can easily move main casing, easy to carry.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of portable artery survey meter, which is characterized in that including main casing (1) and detecting head (2), main casing (1) it is upper
End is provided with digital display tube DG (11), signal access terminal (12) and handle (13), main casing and is provided with detecting head on the left of (1)
Placing groove (14)；The detecting head (2) is assemblied in detecting head placing groove (14), and the bottom end of detecting head (2) is equipped with sound-detection
The upper end of device MIC (21), detecting head (2) are equipped with signal contact interface (22)；The signal contact interface (22) connects signal output
Line (23), the other end connection signal access terminal (12) of signal output line (23).
2. a kind of portable artery survey meter as described in claim 1, it is characterised in that：It is equipped in the main casing (1)
Circuit board (15), is integrated with amplifier circuit for sound frequency signal on circuit board (15), amplifier circuit for sound frequency signal include amplifier OP1 and
Connecting resistance R3, capacitance C2, resistance R1 meet the pin 4 of amplifier OP2, capacitance C2 to the pin 2 of amplifier OP2, amplifier OP1 successively
The pin 1 of amplifier OP1 is connect with the both ends shunt-wound capacitance C1 of resistance R1, the input terminating resistor R4 of resistance R3, amplifier OP1's
Pin 3 meets capacitance C3 and meets loud speaker SP, and the output terminating resistor R5 and resistance R2 of amplifier OP1 connect the pin 4 of amplifier OP2,
The pin 1 of amplifier OP1 connects the pin 2 that capacitance C4 and resistance R6 meets amplifier OP2, and the output terminating resistor R7 of resistance R6, which connects, to be put
The pin 1 of big device OP2, the pin 1 of amplifier OP2 meet capacitance C5 and meet loud speaker SP；The anode of sound-detection gear MIC (21) connects electricity
Hold the input terminal of C2, the output end of the cathode connecting resistance R5 of sound-detection gear MIC (21).
3. a kind of portable artery survey meter as described in claim 1, it is characterised in that：The bottom end of the detecting head (2) is set
There are photo-electric pulse transducer (24), photo-electric pulse transducer (24) to be fixedly mounted on the front end of (21) sound-detection gear MIC
Center is equipped with electronic thermometer (25) on main casing (1), and the test side of electronic thermometer (25) is located at sound-detection gear MIC
(21) on, the display end of electronic thermometer (25) is located at the top of main casing (1).
4. a kind of portable artery survey meter as claimed in claim 2, it is characterised in that：It is integrated on the circuit board (15)
Beat pulse counts circuit, and it includes chip U1, chip U2, chip U3 and operational amplifier OP3, chip that beat pulse, which counts circuit,
The 1 connecting resistance R6 of pin of U1 connects power input, and the pin 2 of chip U1 is grounded, the 3 series resistor R7 of pin and resistance of chip U1
R8 connects the pin 2 of operational amplifier OP3, and the pin 4 of chip U1 is grounded, and wherein resistance R6 and chip U1 constitute signal detection electricity
Road；The 3 connecting resistance R9 of pin of the operational amplifier OP3 connects the pin 1 of operational amplifier OP3, the input termination of resistance R11
Ground, resistance R7, resistance R8 resistance R9 and operational amplifier OP3 constitute signal amplification circuit；The pin of the operational amplifier OP3
1 connects the pin 14 of chip U2, and the 10 connecting resistance R10 of pin of chip U2 connects power input, 4 series resistor of pin of chip U2
R11 connects the pin 13 of chip U3, and the input termination capacitor C6 ground connection of resistance R11, the pin 5 and pin 6 of chip U2 connect capacitance
The output end of C6, the output termination capacitor C7 ground connection of resistance R11, the both ends of capacitance C7 and connecting resistance R12, chips U2, electricity
It hinders R10, resistance R11, resistance R12, capacitance C6 and capacitance C7 and constitutes A/D converter circuit；The pin 33 to 40 of the chip U3 is successively
Connect the pin 8 to 1 of (11) digital display tube DG.
5. a kind of portable artery survey meter as claimed in claim 3, it is characterised in that：The electronic thermometer (25), light
The bottom end of electric-type pulse transducer (24) and electronic thermometer (25) is located in a plane.
6. a kind of portable artery survey meter as claimed in claim 3, it is characterised in that：The photo-electric pulse transducer
(24) reception mode is using reflective.
7. a kind of portable artery survey meter as claimed in claim 4, it is characterised in that：The model of the chip U2
The model AT89C51 of AD651, chip U3.
8. a kind of portable artery survey meter as described in claim 1, it is characterised in that：The handle (13) is located at main casing
(1) upper-center, handle (13) are flat strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501332.6A CN108670227A (en) | 2018-05-23 | 2018-05-23 | A kind of portable artery survey meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501332.6A CN108670227A (en) | 2018-05-23 | 2018-05-23 | A kind of portable artery survey meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108670227A true CN108670227A (en) | 2018-10-19 |
Family
ID=63808098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810501332.6A Pending CN108670227A (en) | 2018-05-23 | 2018-05-23 | A kind of portable artery survey meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108670227A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988005282A1 (en) * | 1987-01-22 | 1988-07-28 | Micromedical Industries Pty. Limited | Portable physiological monitor |
| CN2364847Y (en) * | 1999-03-16 | 2000-02-23 | 李树森 | Portable semiconductor stethoscope |
| CN101856240A (en) * | 2009-04-07 | 2010-10-13 | 哥瑞考儿童产品公司 | Prenatal listening device |
| CN203244410U (en) * | 2013-03-08 | 2013-10-23 | 张延� | Simple stethoscope |
| CN203609444U (en) * | 2013-12-01 | 2014-05-28 | 南阳医学高等专科学校第一附属医院 | Emergency department stethoscope |
-
2018
- 2018-05-23 CN CN201810501332.6A patent/CN108670227A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988005282A1 (en) * | 1987-01-22 | 1988-07-28 | Micromedical Industries Pty. Limited | Portable physiological monitor |
| CN2364847Y (en) * | 1999-03-16 | 2000-02-23 | 李树森 | Portable semiconductor stethoscope |
| CN101856240A (en) * | 2009-04-07 | 2010-10-13 | 哥瑞考儿童产品公司 | Prenatal listening device |
| CN203244410U (en) * | 2013-03-08 | 2013-10-23 | 张延� | Simple stethoscope |
| CN203609444U (en) * | 2013-12-01 | 2014-05-28 | 南阳医学高等专科学校第一附属医院 | Emergency department stethoscope |
Non-Patent Citations (2)
| Title |
|---|
| 姬宏伟: "《现代医务人员医学工程指南》", 31 December 1989 * |
| 杨力铭: "《时空域脉搏信号检测方法研究》", 31 December 2017 * |
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