CN204562207U - The multi-purpose electronic stethoscope that a kind of height is integrated - Google Patents
The multi-purpose electronic stethoscope that a kind of height is integrated Download PDFInfo
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- CN204562207U CN204562207U CN201520268949.XU CN201520268949U CN204562207U CN 204562207 U CN204562207 U CN 204562207U CN 201520268949 U CN201520268949 U CN 201520268949U CN 204562207 U CN204562207 U CN 204562207U
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Abstract
This utility model discloses the integrated multi-purpose electronic stethoscope of a kind of height, comprise auscultation head, electret capacitor, the heart sound transducer based on auscultation head and electret capacitor, sebific duct, Y shape partial pipe, the thin film of auscultation head and electret capacitor form heart sound transducer, its circuit board be connected in auscultation head rear portion that goes between, circuit board is connected with audio jack, LED display and is positioned at the LCD display at Y shape partial pipe connector place.The invention is convenient to user by feeding back shape information rapid adjustment position, finding suitable auscultation point; By the audio jack on circuit board, the acoustical signal received is sent to third-party user, form many people and monitor, be conducive to the on-the-spot consultation of doctors; Shown by LED display, the signal data of measurement can be read more intuitively to patient or medical personnel; Measurement display can be carried out at diverse location after being connected by joint LCD display externally, be suitable for the consultation of doctors of many people scene.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, specifically refers to the multi-purpose electronic stethoscope that a kind of height is integrated.
Background technology
Charles Robert Richet thunder Neck utility model in 1816 stethoscope.Since latter two century, nearly all doctor is at use stethoscope.Stethoscope is the most frequently used diagnosis apparatus of inside and outside woman doctor, and be the mark of doctor, namely modern medicine starts from stethoscopic utility model.Stethoscope since be applied to clinical since, profile and acoustic mode have continuous improvement, but the change of its basic structure is little, primarily of pickup part (chest piece), conduction portion (sebific duct) and audition part (ear piece) composition.Except electronic stethoscope energy amplifying signal and filtering, stethoscope pattern and the rare progress of technology.
The up-to-date stethoscope type that reaches has alone stethoscope, double-purpose stethoscope, triple change stethoscope, vertical stethoscope, universal stethoscope and the most emerging electronic stethoscope at present; Color also has multiple color optional.Generally be divided into polytype by the various combination of can.Flat auscultation head is usually used in the difunctional flat can of auscultation high-pitched tone noise size for detecting low frequency hear sounds, and expansion sound and the 3rd sound and the first, second heart sound, can hear the hear sounds of children's.Bell auscultation head is usually used in auscultation bass bar height noise, can hear the baby's heart beating in abdomen.Tabular form auscultation head, is usually used in the pulse sound of auscultation wrist.
Thisly to be using auscultation head as the main shortcoming improving object: 1. can only be used for this kind of function of auscultation physiology tone signal, can not the shortcomings the such as comprehensively function singleness, the utilization rate that cause of other clinical examination means the be low this conventional stethoscope that finally caused doctor to be left unused and conventional stethoscope also becomes present apolegamy role from a kind of clinical examination standard configuration device; 2. cannot realize waveform while auscultation to show in real time, easily be subject to the impact of people's ear audition sensitivity limitation and auscultator's subjective experience.Therefore clinical high in the urgent need to a kind of integrated level, can simultaneously stethoscope heart sound and carry out the device that waveform shows in real time, simply multiplex, volume is little, clinician can be utilized, and stethoscope carries out hearing test, pupil examination, tenderness feel that test, knee jerk test exchange with institute internal information, and the oscillogram of corresponding signal can be seen while heart or auscultation of lung, judge more accurately to make the pathological changes of patient; Thus promote the value of conventional stethoscope greatly, recover stethoscope due status in clinical examination.This modifies mainly for the structure of conventional stethoscope with regard to needing, design a kind of novel appearance, the Multi-function electronic stethoscope of delicate structure integrate heart and lung sounds auscultation, various functions that the routine clinical inspections such as test, knee jerk test exchange with institute internal information are felt in hearing test, pupil examination, tenderness, thus again give stethoscope new clinical mission.
Utility model content
The purpose of this utility model is the multi-purpose electronic stethoscope providing a kind of height integrated, solves current stethoscope function limitation, can not the comprehensive function singleness, the shortcoming that utilization rate is low that cause of other clinical examination means; In addition, realize sound auscultation and signal waveform simultaneous display, solve auscultation process easily by people's ear audition sensitivity limitation and auscultator's subjective experience affect problem, reduction medical personnel use difficulty, improve the use ability of new hand, be convenient to the thoracic cavity sound that medical personnel accurately grasp patient.
This utility model mainly improves the structure of conventional stethoscope, is achieved through the following technical solutions:
The multi-purpose electronic stethoscope that a kind of height is integrated, comprise auscultation head, electret capacitor, based on the heart sound transducer of auscultation head and electret capacitor, sebific duct, Y shape partial pipe, wherein sebific duct is connected with the union joint of Y shape partial pipe, two sound outlets of Y shape partial pipe are connected to auscultation part respectively by sebific duct, electret capacitor is arranged on the contact membrane of auscultation head, the thin film of auscultation head and electret capacitor form heart sound transducer, its circuit board be connected in auscultation head rear portion that goes between, circuit board is connected with audio jack, LED display, and be positioned at the LCD display at Y shape partial pipe connector place.Multi-function stethoscope of the present utility model, the electret vibrating diaphragm of heart sound transducer is the very thin plastic film of a slice, one side is coated with one deck proof gold thin film through specific physical chemistry process wherein, and then after high voltage electric field electret, two sides has the charges of different polarity stationed respectively.The gilding of diaphragm is outside, is connected with metal shell; Keep apart with thin insulation lining ring between the another side of diaphragm and metal polar plate; Like this, just an electret capacitor is formed between gold-plated film and metal polar plate.Electret capacitor utilizes transistor to output signal to amplifying circuit to carry out impedance transformation, the lead-in wire of electret capacitor the obtained cardiechema signals that is connected with auscultation head rear portion circuit board is transformed into the signal of telecommunication after amplifying, acoustical signal is switched back to again through D/A, acoustical signal is by transmitting sebific duct transmission and being connected to Y shape partial pipe, two outlets of Y shape partial pipe are connected to auscultation part respectively by sebific duct, joint circuit board being connected with audio jack, LED display and being connected with external LCD display screen, adopt the mode of installing an electret capacitor in the sebific duct near auscultation head, electret capacitor adopts two ends or three-polar output mode, the making of pick up MIC, the rubber tube of 3 ~ 7 centimeter length can be overlapped on vibrating diaphragm ear handle, other end is squeezed into a microminiature electret capacitor, two wire shielded cables of microphone receive the MIC place in circuit, because microphone is encapsulated in sebific duct, therefore be higher to the sensitivity of hear sounds, sound is to external world almost without reflection, when auscultation head is placed with in chest by medical personnel, no matter whether position is suitable, faint signal can be found out, this signal converts current signal to and after power amplification, waveshape signal can be converted to, be convenient to user by feedback shape information rapid adjustment position, find suitable auscultation point, and, by the audio jack on circuit board, the acoustical signal received is sent to third-party user, form many people and monitor, be conducive to the on-the-spot consultation of doctors, shown by LED display, the signal data of measurement can be read more intuitively to patient or medical personnel, the activities such as long-range measured parameter display, physical examination, clinical response observation can be carried out after carrying out network connection by joint LCD display externally and minisize pick-up head, be suitable in institute or remote medical consultation with specialists.
Described auscultation head is connected with rubber hose coupling by the cross connection pipe of a hollow, sebific duct inserts rubber hose coupling, the end of cross connection pipe is provided with a percussion hammer, the end of percussion hammer is provided with rubber bulb, the cross connection pipe between percussion hammer and auscultation head is also provided with the sense of touch pain sensation symmetrical with rubber hose coupling and measures tip; The sense of touch pain sensation is measured most advanced and sophisticated pressure transducer and is shown by light-emitting diode display by the pressure collected, and flows to MCU processor by sampling switch.In the every-day medical testing process of reality, doctor may need to be with a lot of monitoring instruments, carrying and inconvenience of these instruments, in order to address this problem, this utility model is by realizing the object of multi-use by stand-by equipment and the integrated mode of stethoscope, by arranging the carrier of cross connection pipe as hand-held, utilize the structure of its hollow to carry out acoustic simultaneously, at its two ends, auscultation head and percussion hammer are installed respectively, one end of percussion hammer is provided with rubber bulb, being provided with the sense of touch pain sensation at middle part measures most advanced and sophisticated, luminous torch, also acoustical generator is provided with in auscultation head outer wrapping position, microphone, so can complete pupil examination, hearing test, knee jerk and the sense of touch pain sensation measure and exchange with institute internal information, realize a multi-purpose object of equipment.
The radial section of described rubber bulb is also provided with light and focuses on causalgia light source hole, torch light source and minisize pick-up head, wherein: light focuses on causalgia light source hole: light source intensity angle value shown by light-emitting diode display; Minisize pick-up head: minisize pick-up head gathers video signal and is transferred to MCU processor to enrich purposes and the function of this product by DSP module, applicant has done further improvement to this programme, causalgia light source hole is focused on by arranging light on the rubber bulb of percussion hammer, detect the roentgenization of a branch of focusing strongly to the reaction on skin, torch light source can be used for the auxiliary of medical personnel and uses up, minisize pick-up head can gather video signal during Clinical detection, judging basis is detected for follow-up standardization, and the long-range scene consultation of doctors.
Integratedly on the outside housing of described LED display be provided with lower component: microphone, speech talkback button, tuning fork testing button, high low pass filtered frequency select button, volume knob and acoustical generator, wherein, microphone converts audio signal to digital signal by A/D modular converter for mike and sends MCU processor to; Acoustical generator is for setting the electronic tuning fork of simulation different frequency.By increasing, these buttons are set, the integrated level of the technical program can be improved, enrich its function, more convenient practicality, electronic tuning fork may be used for simulating clinical sounding, simulation clinical audition inspection is commonly used c and is adjusted octave five one group of tuning forks, its audible frequency be respectively 128,256,512,1024 and 2048hz be wherein standard testing audio frequency with 128HZ, 256HZ and 512HZ.
Described circuit board comprises:
Audio frequency preamplifier: for receiving the audio signal of electret capacitor;
Audio frequency preamplifier: for receiving the audio signal of electret capacitor;
Low-pass filtering: adopt voltage controlled voltage source second-order filter circuit to realize filtering;
Main amplification module: adopt chip μ A741 to realize the amplification of signal;
Power amplification circuit: adopt LM386 to carry out power amplification as integrated amplifier circuit to signal; Audio codec: become digital data transmission to MCU processor the audio signal decoding of audio frequency preamplifier, and by audio signal transmission to the Earphone Amplifier in auscultation part; Or audio signal is transferred to third party user by audio jack;
MCU processor: the digital signal collected is processed;
Also comprise with any one in lower module or its combination:
LED control module: the display controlling LED display;
LCD control module: the display controlling LCD display;
RFID module: by the outside transmitting/receiving of dual-mode antenna signal frequently, carry out indoor positioning;
WiFi module: outside communicates to connect.
Simulation part of the present utility model divides and comprises enlarge leadingly, low-pass filtering, main amplification, power amplification circuit, heart sound transducer is by stethoscope probe, conduit and electret capacitor composition: pre-amplification circuit: is very faint ac small signal from PCG microphone output, according to the sensitivity of the electret capcitor microphone that we use, the amplitude of cardiechema signals is: 30-60mV, the signal of this size can not meet the requirement of filtration module, the elementary processing and amplifying of signal must be carried out, what the elementary amplification of signal adopted is integrated operational amplifier, it is a kind of high-amplification-factor, high input impedance, the direct-coupling multistage amplifier circuit of low output impedance, there are two inputs, an outfan, can amplify direct current signal and AC signal, after external negative-feedback circuit, the operation relation of output voltage Uo and input voltage Ui only depends on the external impedance of external feedback network and input, and have nothing to do with amplifier itself, low-pass filtering adopts voltage controlled voltage source second-order filter circuit to realize, main amplification module is chip used is still μ A741, power amplifier module: LM386 is as integrated amplifier circuit, by minisize pick-up head, microphone, acoustical generator, can in real time, timesharing, transmit video, audio-frequency information as required, thus build Hospital consultation, intercommunion platform based on multi-function stethoscope, indoor positioning is carried out according to 802.11Wifi module and RFID signal, acoustical generator carries out the electronic tuning fork setting simulation different frequency, the sense of touch pain sensation is measured most advanced and sophisticated force feedback value and is presented at light-emitting diode display, controls maximum pressure value by the force feedback value upper limit preset, light focuses on causalgia light source intensity angle value and is presented at light-emitting diode display, controls largest light intensity value by the light intensity value upper limit preset.
This utility model is by the structure of conventional stethoscope with circuit is integrated updates, obtain highly integrated newest structure, by combining closely of conventional stethoscope and electronic equipment, overcome the problem that single, the error of purposes that conventional stethoscope exists is comparatively large, depend critically upon medical personnel's experience, make abecedarian also can grasp using method well, reduce operation easier.
Its frequency response range is 1 ~ 1000Hz.The benefit of wideband is to detect small-signal and high frequency audio signal, practical.
Its parameter monitoring refers to and can optionally show the waveshape signal corresponding or match while listening to hear sounds, respiratory murmur.Auscultation head position can be adjusted by waveform and utilize waveform for many people's consultation of doctors.
An implementation method for the multi-purpose electronic stethoscope that height is integrated, comprise master control step, button operation step, wherein master control step is as follows:
A () starts mastery routine, carry out system initialization;
B () display start-up picture, shows shutdown by return push-button and shuts down, or entering operation by ACK button;
C (), after entering running status, carry out interruption and initialize and opens interrupters, interrupt condition is: whether a button is pressed, if so, then calls keys interrupt program; If not, then etc. to be interrupted, rejudge interruption according to certain interval and whether occur.
This utility model additionally provides a kind of method of these functions of software simulating, according to these steps or its combination, can according to the practical situation of user, and which selects adopt entity apparatus to realize, and which adopts software to realize; The Signal transmissions that heart sound transducer gathers is to signal adjustment circuit, the signal received processes by signal adjustment circuit, a part is by being play by sound equipment after power amplifier, another part is transferred to main control module, the signal received communicates with PC by main control module, is shown by this signal by LCD module simultaneously.
Described button operation step is as follows:
(A) enter main menu display at program entry, comprise and gather menu, display menu, communication menu and miscellaneous function menu;
(B) select the menu of step (A), enter caller;
(C) return main menu and judged whether button, if so, then interrupting returning, terminate program; Continue to judge after then separated in time.
Described step (B) comprises following step arranged side by side:
(B1) enter collection menu to gather, call collection subprogram, then return main menu;
(B2) enter display menu to show, call display subroutine, then return main menu;
(B3) entry communication menu carries out communication, calls communication subprogram, then returns main menu;
(B4) miscellaneous function menu is entered, Selection and call miscellaneous function:
(B41) select the sense of touch pain sensation to measure, call the subprogram of piezoelectricity mould energy, then call display subroutine, and return main menu;
(B42) selective light focuses on to burn and measures, and calls the subprogram of photoelectricity transducing, then calls display subroutine, and return main menu;
(B43) select the logical function of electricity, call torch control sequence, then return main menu;
(B44) select camera function, call display subroutine, communication subprogram simultaneously, and return main menu.
This utility model compared with prior art, there is following advantage and beneficial effect: the multi-purpose electronic stethoscope that a kind of height of 1 this utility model is integrated, after acoustical signal is converted into current signal by this utility model, can amplify current signal, when auscultation head is placed with in chest by medical personnel, no matter whether position is suitable, faint signal can be found out, this signal converts current signal to and after power amplification, waveshape signal can be converted to, be convenient to user by feedback shape information rapid adjustment position, find suitable auscultation point, overcome the problem that can't hear signal that first user brings, and, by the audio jack on circuit board, the acoustical signal received is sent to third-party user, form many people and monitor, be conducive to the on-the-spot consultation of doctors, shown by LED display, the signal data of measurement can be read more intuitively to patient or medical personnel, the activities such as long-range measured parameter display, physical examination, clinical response observation can be carried out after carrying out network connection by joint LCD display externally and minisize pick-up head, be suitable in institute or remote medical consultation with specialists,
The multi-purpose electronic stethoscope that a kind of height of 2 this utility model is integrated, by arranging the carrier of cross connection pipe as hand-held, utilize the structure of its hollow to carry out acoustic simultaneously, at its two ends, auscultation head and percussion hammer are installed respectively, one end of percussion hammer is provided with rubber bulb, be provided with the sense of touch pain sensation at middle part and measure most advanced and sophisticated, luminous torch, be also provided with acoustical generator, microphone in auscultation head outer wrapping position; So can complete pupil examination, hearing test, knee jerk and the sense of touch pain sensation measure and exchange with institute internal information, realize a multi-purpose object of equipment;
The multi-purpose electronic stethoscope that a kind of height of 3 this utility model is integrated, can optionally show the waveshape signal corresponding or match while listening to hear sounds, respiratory murmur;
The multi-purpose electronic stethoscope that a kind of height of 4 this utility model is integrated, volume is little, portable, wearable, and sensitivity is also higher, and can for many people simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to this utility model embodiment, forms a application's part, does not form the restriction to this utility model embodiment.In the accompanying drawings:
Fig. 1 is this utility model principle schematic;
Fig. 2 is the expansion plane graph of auscultation back of head annular parcel in Fig. 1;
Fig. 3 is this utility model circuit part block diagram.
Labelling and corresponding parts title in accompanying drawing:
1-auscultation head, 2-sebific duct, 3-Y shape partial pipe, 4-auscultation part, 5-electret capacitor, 6-audio jack, 7-LED display, 8-communicating pipe, 9-rubber hose coupling, 10-percussion hammer, 11-rubber bulb, the 12-sense of touch pain sensation is measured most advanced and sophisticated, 13-light focuses on causalgia light source hole, 14-torch light source, 15-minisize pick-up head, 16-acoustical generator, 17-speech talkback button, 18-tuning fork testing button, 19-high low pass filtered frequency select button, 20-volume knob, 21-LCD display screen, 22-acoustical generator.
Detailed description of the invention
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining this utility model, and conduct is not to restriction of the present utility model.
Embodiment
As shown in Figures 1 to 3, the multi-purpose electronic stethoscope that a kind of height of this utility model is integrated, comprise auscultation head 1, be wrapped with 2 ~ 3 layers of gauze, auscultation head 1 is connected with rubber hose coupling 9 by the cross connection pipe 8 of a hollow, sebific duct 2 inserts rubber hose coupling 9, the end of cross connection pipe 8 is provided with a percussion hammer 10, the end of percussion hammer 10 is provided with rubber bulb 11, cross connection pipe 8 between percussion hammer 10 and auscultation head 1 is also provided with the sense of touch pain sensation symmetrical with rubber hose coupling 9 and measures most advanced and sophisticated 12, the radial section of rubber bulb 11 is also provided with light and focuses on causalgia light source hole 13, and minisize pick-up head 15, sebific duct 2 is connected to Y shape partial pipe 3, two outlets of Y shape partial pipe 3 are connected to auscultation part 4 respectively by sebific duct 2, in the sebific duct 2 connecting auscultation head 1, an electret capacitor 5 is installed, in the present embodiment, electret capacitor 5 adopts gold coated films, its lead-in wire adopts microphone shielding line, lead-in wire extension circuit plate in sebific duct 2 of electret capacitor 5, audio frequency preamplifier: for receiving the audio signal of electret capacitor 5, low-pass filtering: adopt voltage controlled voltage source second-order filter circuit to realize filtering, main amplification module: adopt chip μ A741 to realize the amplification of signal, power amplification circuit: adopt LM386 to carry out power amplification as integrated amplifier circuit to signal, audio codec: become digital data transmission to MCU processor the audio signal decoding of audio frequency preamplifier, and by audio signal transmission to the Earphone Amplifier in auscultation part 4, or audio signal is transferred to LCD display by audio jack, MCU processor: the digital signal collected is processed, by process after digital signal carry out in following operation any one or its combination: by LED control module, display and control is carried out to LED display, by LCD control module, display and control is carried out to LCD display, outwards sent by radio frequency unit, starting antenna and penetrate/receive signal frequently, memory element is utilized to store digital signal and read, communicated to connect by WiFi module and outside, minisize pick-up head 15 gathers video signal and is transferred to MCU processor by DSP module, microphone converts audio signal to digital signal by A/D modular converter and sends MCU processor to, acoustical generator 22 is for setting the electronic tuning fork of simulation different frequency, the sense of touch pain sensation measures most advanced and sophisticated 12 when measuring, and the pressure model collected is flowed to MCU processor by sampling switch by pressure transducer, the digital signal received is carried out storing and reading, according to the situation of different patient, the case-data etc. of different patient can be transferred at any time, communicated to connect by WiFi module and outside, utilize the mode of radio communication, long-range Checking and diagnosis can be realized, dual-mode antenna and radio frequency unit can complete MCU processor and communicate with outside, set up the communication location in certain limit, can carry out position enquiring hospital internal is long-range, can know used patient profiles to instrument.When medical personnel need to carry out light focusing test to patient time, first open light and focus on causalgia light source, and be radiated at human skin, increase with its light intensity, the energy after light focuses on increases, and temperature raises, when human body obviously can feel causalgia time, stop test, how bitterly simultaneously the current signal transfer that focused on by light of sensor is to MCU processor, directly can be shown the skin data of patient by LED display; When needs carry out tuning fork test time, undertaken simulating clinical sounding by acoustical generator and electronic tuning fork, the inspection of simulation clinical audition is commonly used c and is adjusted octave five one group of tuning forks, its audible frequency be respectively 128,256,512,1024 and 2048hz be wherein standard testing audio frequency with 128HZ, 256HZ and 512HZ; In time carrying out the test of knee joint bar, medical personnel's hand-held communicating pipe 8, drive percussion hammer 10, the rubber bulb on it is impacted on the knee of human body, carries out knee jerk experiment; Pupil test can also be carried out.
During use, first volume control potentiometer is placed on the position of 10 ~ 20%, put on auscultation part 4, auscultation head 1 is placed on the chest of patient, slowly VOLUME UP to 50%, makes heartbeat clearly audible, but does not have rumble, some shrieks spread out of in earphone, singing of the stream, explosion sound or the sound that breaks belong to the normal phenomenon in patient thoracic cavity, do not belong to circuit problem; During operation, for avoiding sensitivity too high, volume can be reduced some and moving pick up again, after auscultation head 1 is put well, open large volume again examine and listen; When operating, auscultation head 1 is tried one's best away from earphone, to eliminate feedback squealing simultaneously; The R3 of adjusting resistance is placed on 10% place of volume, its loudness is equivalent to old-fashioned stethoscopic volume.This utility model sound such as the heart of people, lung, pulses after amplifying, directly can be released by speaker, abnormal sound can also be stored, preserve as case history archive.
The implementation method of this utility model multi-function stethoscope, comprise master control step and button operation step, wherein master control step is as follows:
A () starts mastery routine, carry out system initialization;
B () display start-up picture, shows shutdown by return push-button and shuts down, or entering operation by ACK button;
C (), after entering running status, carry out interruption and initialize and opens interrupters, interrupt condition is: whether a button is pressed, if so, then calls keys interrupt program; If not, then whether etc. to be interrupted, rejudging interruption according to certain interval occurs;
Button operation step is as follows:
(A) enter main menu display at program entry, comprise and gather menu, display menu, communication menu and miscellaneous function menu;
(B1) enter collection menu to gather, call collection subprogram, then return main menu;
(B2) enter display menu to show, call display subroutine, then return main menu;
(B3) entry communication menu carries out communication, calls communication subprogram, then returns main menu;
(B4) miscellaneous function menu is entered, Selection and call miscellaneous function:
(B41) select the sense of touch pain sensation to measure, call the subprogram of piezoelectricity mould energy, then call display subroutine, and return main menu;
(B42) selective light focuses on to burn and measures, and calls the subprogram of photoelectricity transducing, then calls display subroutine, and return main menu;
(B43) select the logical function of electricity, call torch control sequence, then return main menu;
(B44) select camera function, call display subroutine, communication subprogram simultaneously, and return main menu;
(C) return main menu and judged whether button, if so, then interrupting returning, terminate program; Continue to judge after then separated in time.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only detailed description of the invention of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a highly integrated multi-purpose electronic stethoscope, it is characterized in that: comprise auscultation head (1), electret capacitor (5), based on the heart sound transducer of auscultation head (1) and electret capacitor (5), sebific duct (2), Y shape partial pipe (3), wherein sebific duct (2) is connected with the union joint of Y shape partial pipe (3), two sound outlets of Y shape partial pipe (3) are connected to auscultation part (7) respectively by sebific duct (2), electret capacitor (5) is arranged on the contact membrane of auscultation head (1), the thin film of auscultation head (1) and electret capacitor (5) form heart sound transducer, its circuit board be connected in auscultation head (1) rear portion that goes between, circuit board is connected with audio jack (6), LED display (7), and be positioned at the LCD display (21) of Y shape partial pipe (3) connector position.
2. the multi-purpose electronic stethoscope that a kind of height according to claim 1 is integrated, it is characterized in that: described auscultation head (1) is connected with rubber hose coupling (9) by the cross connection pipe (8) of a hollow, sebific duct (2) inserts rubber hose coupling (9), the end of cross connection pipe (8) is provided with a percussion hammer (10), the end of percussion hammer (10) is provided with rubber bulb (11), cross connection pipe (8) between percussion hammer (10) and auscultation head (1) is also provided with the sense of touch pain sensation symmetrical with rubber hose coupling (9) to measure most advanced and sophisticated (12), the pressure collected is shown by light-emitting diode display by the pressure transducer that the sense of touch pain sensation measures most advanced and sophisticated (12), and flows to MCU processor by sampling switch.
3. the multi-purpose electronic stethoscope that a kind of height according to claim 2 is integrated, it is characterized in that: on described rubber bulb (11) radial section, be also provided with light focus on causalgia light source hole (13), torch light source (14) and minisize pick-up head (15), wherein:
Light focuses on causalgia light source hole (13): light source intensity angle value shown by light-emitting diode display;
Minisize pick-up head (15): minisize pick-up head gathers video signal and is transferred to MCU processor by DSP module.
4. the multi-purpose electronic stethoscope that a kind of height according to claim 1 is integrated, it is characterized in that: integratedly on the outside housing of described LED display (7) be provided with lower component: microphone (16), speech talkback button (17), tuning fork testing button (18), high low pass filtered frequency select button (19), volume knob (20) and acoustical generator (22), wherein, microphone (16) converts audio signal to digital signal by A/D modular converter for mike and sends MCU processor to; Acoustical generator (22) is for setting the electronic tuning fork of simulation different frequency.
5. the multi-purpose electronic stethoscope that a kind of height as claimed in any of claims 1 to 4 is integrated, is characterized in that: described circuit board comprises:
Audio frequency preamplifier: for receiving the audio signal of electret capacitor (5);
Low-pass filtering: adopt voltage controlled voltage source second-order filter circuit to realize filtering;
Main amplification module: adopt chip μ A741 to realize the amplification of signal;
Power amplification circuit: adopt LM386 to carry out power amplification as integrated amplifier circuit to signal; Audio codec: become digital data transmission to MCU processor the audio signal decoding of audio frequency preamplifier, and by audio signal transmission to the Earphone Amplifier in auscultation part (4); Or audio signal is transferred to third party user by audio jack (6);
MCU processor: the digital signal collected is processed;
Also comprise with any one in lower module or its combination:
LED control module: the display controlling LED display;
LCD control module: the display controlling LCD display;
RFID module: by the outside transmitting/receiving of dual-mode antenna signal frequently, carry out indoor positioning;
WiFi module: outside communicates to connect.
6. the multi-purpose electronic stethoscope that a kind of height according to claim 1 is integrated, is characterized in that, its frequency response range is 1 ~ 1000Hz.
7. the multi-purpose electronic stethoscope that a kind of height according to claim 1 is integrated, is characterized in that, its parameter monitoring refers to and can optionally show the waveshape signal corresponding or match while listening to hear sounds, respiratory murmur.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105982692A (en) * | 2015-04-29 | 2016-10-05 | 广东医学院附属医院 | Multifunctional stethoscope for broadband parameter monitoring and implementation method of multifunctional stethoscope |
| WO2017215278A1 (en) * | 2016-06-17 | 2017-12-21 | 深圳市前海康启源科技有限公司 | Electrocardio monitoring stethoscope for multi-party consultation |
| CN107625531A (en) * | 2017-10-24 | 2018-01-26 | 成都亨通兆业精密机械有限公司 | District hospital of the machinery plant special-purpose multifunctional auscultation system for being easy to teachers and students to cooperate |
| CN108601577A (en) * | 2016-02-02 | 2018-09-28 | 高通股份有限公司 | Stethoscope system including sensor array |
| CN112617885A (en) * | 2020-10-30 | 2021-04-09 | 皖江工学院 | Electronic stethoscope suitable for multi-person simultaneous inquiry, working method and auscultation system |
| CN113520450A (en) * | 2020-04-13 | 2021-10-22 | 中国人民解放军海军特色医学中心 | Wireless stethoscope |
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2015
- 2015-04-29 CN CN201520268949.XU patent/CN204562207U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105982692A (en) * | 2015-04-29 | 2016-10-05 | 广东医学院附属医院 | Multifunctional stethoscope for broadband parameter monitoring and implementation method of multifunctional stethoscope |
| CN108601577A (en) * | 2016-02-02 | 2018-09-28 | 高通股份有限公司 | Stethoscope system including sensor array |
| WO2017215278A1 (en) * | 2016-06-17 | 2017-12-21 | 深圳市前海康启源科技有限公司 | Electrocardio monitoring stethoscope for multi-party consultation |
| CN107625531A (en) * | 2017-10-24 | 2018-01-26 | 成都亨通兆业精密机械有限公司 | District hospital of the machinery plant special-purpose multifunctional auscultation system for being easy to teachers and students to cooperate |
| CN113520450A (en) * | 2020-04-13 | 2021-10-22 | 中国人民解放军海军特色医学中心 | Wireless stethoscope |
| CN113520450B (en) * | 2020-04-13 | 2023-03-14 | 中国人民解放军海军特色医学中心 | Wireless stethoscope |
| CN112617885A (en) * | 2020-10-30 | 2021-04-09 | 皖江工学院 | Electronic stethoscope suitable for multi-person simultaneous inquiry, working method and auscultation system |
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