CN204562205U - Medical electronic stethoscope and lifesaving pager - Google Patents

Abstract

This utility model relates to a kind of medical electronic stethoscope and lifesaving pager, by stethoscope housing (1), power supply (2), sound collection element Mike (MIC) and amplifier and loudspeaker (4) composition, its feature: be that the holding wire of " wired " stethoscope sound collection element MIC is connected with the input of audio frequency amplifier through switch (K-1) and coupling capacitance, the output end signal of amplifier is connected with loudspeaker (4), and volume output signal is connected with volume display (10), volume display, switch, button is arranged on the upper formation of guidance panel (9) of stethoscope housing, " wireless " stethoscopic holding wire is connected with the input of transmitter module through coupling capacitance (C-1), and the outfan of transmitter module to connect with transmitting antenna through capacitor (C-4) and adopts the receiver of wireless headset or other corresponding radiation pattern to listen to.

Description

Medical electronic stethoscope and lifesaving pager

Technical field

This utility model relates to microphone (MIC) to change makes the stethoscopic medical instruments field of electronic medical, wireless calling function when but it possesses in danger simultaneously, relate to the field of wireless transmit and the shockproof disaster relief, this double end stethoscope is more suitable for the teaching application of medical college.

Background technology

This is the later application of 2011100384953 patents, to hear that the sue and labour measure of the sound of ground was: the scheme adopting surface contact (solid-state conduction) sound transducer of stethoscope for solving in the room that collapses because geologist is trapped at that time, and why directly not change again do stethoscope since can monitor through the definite microphone of trial effect and earth surface repeatedly the sound of suing and labouring! The electronic health record epoch are entered let alone nowadays seeing a doctor, current electrocardiogram, blood pressure etc. can generate electronic data file, stethoscope is to generating e-file when breast, abdomen and pulse diagnosis and record stores change of illness state process only, and sets up dynamic electron case history and can implement remote diagnosis etc. and will become hospital direction.Too little being difficult to of the body surface volume of especially known stethoscope transmission is listened clear, more be not suitable with the use of the family health care of aging society, as often needed the monitoring to human body left and right sides carotid artery (pulse sound size) at home, to take precautions against because side angiostenosis could not Timeliness coverage and delay the best therapeutic time of hospital.Also there is signal frequency and cannot tell others as cell-phone number in " the distress signal transmission " brought up again in addition before this, and distress signal cannot allow rapidly the people that sues and labours confirm problem.As horse is navigated the pulse signal of 37.5 megahertzes sent after 370 flight lost contacts, how to go to find this flight because knowing in advance and work as the existence receiving 37.5 signals and just indicate this flight.Can 110 be dialed for another the public is busy, 119 numbers such as grade, but because of particular case as earthquake damage, machine station or other situation cannot initiatively to be sought help to 110 time, rescue in picture to associate how much can be adopted 3 by the victim of pile things on as broadcasted earthquake in CCTV, 4G cell phone, but pressure cannot be passed because frequency is too high and bury brick and tile layer, and initiatively sue and labour " volunteer " cannot dial because not knowing captive number, and this lifesaving calling frequency is only about 0.1G, according to medium wave amplitude modulation tranmitting frequency only 0.56 to 1.6 megahertz, when employing medium wave signal, not only transmitting range is far away but also medium wave signal can be easy to enter basement with ground transmission, (perhaps you know that MW receiver can not can not receive radio signals at basement, but frequency modulation machine will be not good enough) again because medium wave signal can be entered the basement of more deep layer by the supply lines in house, mobile phone and the irreplaceable low-frequency transduction advantage of transmitter receiver is provided for linking up.Therefore this case is release escape, emergency scheme at the emphasis that this proposes earthquake " lifesaving black box " patent, casts a brick to attract jade thus, wish the common recognition and the help that obtain people.

Goal of the invention is to think of danger in times of safety, pay close attention to health, allows innovation change our life.

Summary of the invention

In order to achieve the above object, this utility model is that people are known wired or wireless mike already, changes the Project design making stethoscope.Its structure there is not the change of essence to be only a kind of device changing its purposes.

One. the stethoscopic composition proposal 1. of Split type medical electronic that " cable microphone " implement is illustrated by description Fig. 1 to adopt wire microphone mode to be both commonly called as, known medical stethoscope head housing (1) is adopted to be included in the connection of can port and contact sound conduction film (5), be connected with the head end at stethoscopic head and neck position with sound conduction sebific duct (8), again sound transducer (MIC-1) is placed in (stethoscope) head formed in sebific duct (8) tail end tube chamber to form, and the holding wire of sound transducer (MIC-1) forms head portion after being connected with connection-peg (CT-1) to form.And plug element needs to plug with the input jack of amplification and regulation device (9) again, composition Split type medical electronic stethoscope.Wherein amplification and regulation device (9) circuit implement according to the known sound equipment amplification circuit diagram of Fig. 1 (labelling 11), and the housing that circuit devcie is placed in amplifying device completes entire infrastructure composition.

2. or adopt Integral electronic stethoscopic structure composition proposal 2 to be illustrated by Fig. 7: adopt the structure of stethoscope head inwall and contact sound conduction film (5) to form overall stethoscope, the circuit of amplifier adopts the component connected mode of Fig. 1, or amplifier circuit can adopt miniature (M8403) model calling, and adopts earphone receiving mode.And power supply and switch, button and display device (10) are arranged on the guidance panel (9) of stethoscope housing tail end, wherein the signal of MIC-1 exports and is connected with the signal input part of M8403 module, acquired signal is exported through the enlarge leadingly of 8403 modules and power amplifier the entirety be connected with earphone and forms.

3. Integral electronic stethoscopic structure composition proposal 3 is: without conductive membranes (5) frame mode in reference (Fig. 4) domestic wooden department of obstetrics and gynecology fetal heart sound receiver, eliminate the connection of stethoscope head inwall and contact sound conduction film (5), stethoscope shell structure is illustrated by schematic diagram 6A, Fig. 6 B: amplifier circuit device and power supply etc. are arranged within stethoscope housing (1), volume display and regulating switch, button device are arranged on stethoscopic guidance panel (9), are integrally formed formula electronic stethoscope.

Two. adopt the integrated-type medical stethoscope structure scheme 1 of wireless microphone mode to be illustrated by Fig. 9: to complete at the built-in known radiating circuit Fig. 8 of stethoscope housing.In circuit, the signal of MIC-1 is directly connected with the input of transmitter module (1561) through capacitor C-1, after only pressing AN1, MIC-1 just enters sound collection state, the signal gathered amplifies to be connected with antenna by outfan through input and enlarge leadingly, frequency modulation and the radio frequency in module of transmitter module (1651) again and exports, and is received by the receiver of wireless headset or corresponded manner.The devices such as Switches & buttons are in the structure shown here arranged on the upper formation of stethoscope rear end surface (9).After adopting this emission mode in addition, only more clear auscultation people body surface sound and there will not be can utter long and high-pitched sounds when tuning up earpiece volume, can same stethoscope signal be answered for many people therefore also can be used for medical college teaching (frequency selects 88 to 108 megahertzes to be advisable).

2. wireless stethoscope scheme 2 is a kind of stethoscopes very adapting to medical college teaching, therefore has received double track common mode rejection circuit principle to make double head model stethoscope (or claiming microphone) mode into.Its organization plan is illustrated by Figure 10: by the sound collection sensor (element) of built-in MIC-1 and MIC-2 of two ends difference of stethoscope housing (1), this element comprises the sound collection device of the modes such as moving-coil, electric capacity, electret.And with housing built-in dual pathways FM transmission model calling, by Figure 11, physical circuit principle connection layout is shown.Adopt internal battery and loudspeaker and spliced eye etc., and other controls and display structure and similar outline before this.Principal character is double end sound collection respectively, and one can be used for teacher explains for human body auscultation other end.

Three. lifesaving pager, as Figure 12 illustrates: be to stethoscopic Versatile apparatus, is again for the in-problem Compensation measures of front patent.Especially for the person of having ready conditions initiatively finds wrecked people and under not knowing the other side's contact number situation, this device can be utilized to send and to rescue signal, adopt the search of FM receiver, " 120 rescue sound " alternating signal that people sends rescue sound and personal information of being also convenient to cry for help can be confirmed as early as possible when listening, can be used as the multipurpose electrical equipment of family, for functions such as human body artery auscultation, emergency help-asked, illuminations simultaneously.Now just different purposes is described below respectively: 1. housing is that pocket lamp profile is to adapt to the lighting operation for dichromatism LED electroluminescent lamp, 2. the push-and-pull switch of 3 grades is set on housing, K1-1 is pocket lamp purposes is also two kinds of different colour lamplight distress signals, change colour light emitting by pressing AN-1, after being connected into toy optical fiber outside luminous source, namely becoming toy using.3.K1-2 connects radiating circuit (Figure 11 or Figure 13) to make MIC enter the live emission state of calling for help with mouth through AN2 switching, and be converted to musical film or recording playback module (3) broadcast state by live, comprise the personal information that employing " 120 call for help to sound " wherein recording playback module can be preset or the cue switching to fixing musical film (3) of calling for help sound to launch.4., when the double head model stethoscope state that can be turned into MIC1 and MIC2 after press push button AN2, be the collection aperture (6) making the quiet available finger of MIC2 auscultation block MIC1.MIC1 sound collection aperture in its concrete structure scheme is outside head, and volume is presented at head front, and MIC2 is arranged on torch afterbody.5. in circuit diagram, " the solid-state acoustic conductivity sound sensor; the stranded measure listening to sound of suing and labouring afterwards of possession shake; this purposes should select the dual pathways sending module of Figure 11 to implement; because the 14th foot of this module has monitoring voice output, and the holding wire output sound that can utilize USB that can contact with ground or wall of outside grafting is referred to the NIC-2 of dotted line mark.6. housing indicate USB port be in order to prevent because of for a long time need not and forget charging, make to tackle the calling of burst emergency help-asked, inserting battery consumable photoelectric compensator by this mouth can supplement.

Four, because accumulator jar exists the defect of self discharge, in order to prevent from forgetting that charging causes emergency microphone cannot emergency call therefore devise a kind of opto-electronic compensation device such as Figure 14 and illustrate: the photovoltaic cell module be made up of photo-electric conversion element or be referred to as solaode, photovoltaic cell etc. (13), be connected with directed output diode and the mu balanced circuit (14) that forms with voltage stabilizing element, be placed within compensator housing (1), wherein photovoltaic cell module (13) is placed in the plane of illumination formation of power compensation device (15) housing, and exports electric energy by USB interface.

This uses the stethoscope of novel proposition for family health care, especially in family, the old men do not live at same room and need stethoscope to be placed on pillow during night guardian, by wireless transmit can allow guardian separate room receive implement monitoring, the family of demand like this is a lot! Multipurpose flashlight not only can send change light distress signal but also can throw light in addition, lifesaving microphone inherently can add these 120 ambulance voice recognition modes proposed as toy, be think initiatively to find wrecked emergency people to allow and carry out a kind of intercourse platform of paging, allow child form the good habit of being initiatively concerned about and helping she people from little.

Accompanying drawing explanation

Fig. 1. adopt stethoscope structural grouping (scheme 1) schematic diagram of wire microphone mode.

Fig. 2. the structural representation of known wire microphone (microphone).

Fig. 3. the audio frequency amplifier of known microphones and outward appearance form schematic diagram.

Fig. 4. domestic old-fashioned wooden department of obstetrics and gynecology fetal heart sound receiver generalized section.

Fig. 5. known stethoscope barrel structure section signal.

The wired Integral electronic stethoscope structure of Fig. 6 A. and Fig. 6 B guidance panel (scheme 3) schematic diagram.

Fig. 7. wired earphone formula electronic stethoscope structure (scheme 2) schematic diagram.

Fig. 8. radio electron echometer radiating circuit schematic diagram.

Fig. 9. wireless stethoscope structure entirety (scheme 4) schematic diagram.

Figure 10. double track electronic stethoscope overall structure (scheme 5) schematic diagram.

Figure 11. double track electronic stethoscope and emergency signal radiating circuit figure.

Figure 12. electronic stethoscope and lifesaving pager integration unit structure (scheme 6) schematic diagram.

Figure 13. FM module regulating circuit figure is launched in lifesaving.

Figure 14 battery consumable photoelectric compensator scheme schematic diagram.

In the custom that the electronic auscultation head of Fig. 1 upper left is to adapt to doctor's life-time service duct type sound, therefore remain solid-state conduction sound film (5) and north sebific duct (8).It is audio amplifier schematic diagram above the casing of Fig. 3.In the fetal heart sound earphone structure of Fig. 4, not conduction sound film (5), is a kind of high-fidelity stethoscope, therefore the way that have employed ancestors in stethoscope subsequently removes conduction sound film, has in fact got back to again the frame mode of known microphones.Fig. 6 A receiver tail end be guidance panel (9), panel is arranged volume display (10), be the bad old man of audition to when listening to heartbeat and pulse sound, also can do to contrast by the volume dynamic change of panel and identify.Described double track common mode rejection circuit principle is as in the known microphones of Fig. 2 in addition, adopt two MIC elements one of them towards front another upward or towards other direction, the double track microphone transmitter module (IC1404) that circuit module is produced by Japan before adopting more than ten years is usage usually, (only show principle, now existing than this more advanced module) then silent in loudspeaker when front performer says nothing, because MIC-1 and MIC-2 two identical amplifiers, but amplifier phase is contrary, so just better can to offset in stage environment noise jamming and prevent speaker feedback from producing this method of uttering long and high-pitched sounds and popularize.When in microphone only a moving-coil type MIC time then can adopt mouth, reduce amplification to reduce environmental noise.And teaching stethoscope adopts this module to utilize this characteristic to make into just new usage that two kinds of sound are listened at two respectively.

Labelling in figure: 1. stethoscope head, stethoscope housing, device case, 2. power supply, battery and storage battery, 3. musical film is containing the recording playback module of tape storage, 4. loudspeaker, audio amplifier, earphone, wireless headset, 5. surface contact sound conduction film, 6. sensor diaphragm and transaudient aperture, 7. spongy body inserts in sensor, 8. stethoscope head and neck and conduct north sebific duct, 9. headset amp and guidance panel, 10. volume display comprises the dynamic raster of mike aural information, numeral, pointer, the displays such as frequency spectrum), 11. known microphones amplify and radiating circuit module, the A/D of 12. signals changes and adds counting circuit, 13. photovoltaic cell modules, solaode, photovoltaic cell, 14. light cell compensation control circuits, 15. compensator structure composition proposal figure.

Detailed description of the invention

1. adopt the stethoscopic enforcement of integral type Wired electronic to be illustrated by Fig. 1,6,7: to adopt the inwall of stethoscope head and the connection of contact sound conduction film (5), form stethoscope head end and connect.Built-in power is also connected through the main track of K switch-1 with amplifying circuit (as Fig. 1), MIC-1 is connected with enlarge leadingly MAX951 input through C-1 by K-2, signal adopts the full amplification module of monolithic M8403 through volume potentiometer RW2, coupling capacitance by power amplifier module LM386 or at Fig. 7, and its outfan is connected with earphone answers.Deliver to display device (10) by 220 F capacitor outputs through commutation diode at module outfan with reference to Fig. 1, display is arranged on the guidance panel (9) of stethoscope housing tail end.The signal of MIC-1 exports and is connected with the signal switching end of button AN1 with K-2 in addition, can complete anatomical connectivity and implement.

2. adopt the enforcement of integrated wireless electronic stethoscope and lifesaving rescue beacon to be illustrated by Fig. 8,9,10: the integral housing of stethoscope head inwall non-contact type sound conduction film (5) connects, built-in power is also connected with the main track of amplifying circuit (Fig. 8) through K-1, AN1 is connected with transmitter module 1651 input through C-1,1651 are exported by antenna, (adjustment L1 and C-5 makes tranmitting frequency in 88 to 108 megahertz all standings).Be connected with volume display (10) at the module outfan of Fig. 8.Display is arranged on the guidance panel (9) of stethoscope housing tail end.A kind of fixing sound module or electronics device musical film (3) is with the addition of, as KD9561 or recording playback module W5120 is formed in addition at the signal input part of microphone.And propose this calling for help fix sound preferably 120 ambulances to blow a whistle sound, as creating emergency and the sound " contact platform " of suing and labouring.It is solid-state conduction acoustic sensor plug (CT-1) and jack (CK-1) that the composition proposal of lifesaving microphone comprises MIC-2, to be cried for help by fixing sound and directly call for help the switching switching the signal input part entering transmitter module by button (K-2 or AN-2).

3. the enforcement of electronic stethoscope and lifesaving pager combination unit, flashlight type profile housing is adopted to be illustrated by Figure 12 in organization plan, built-in circuit controls to be illustrated by Figure 13 (or auscultation adopts Figure 11), LED electroluminescent lamp is switched by K switch 1 and K-2 function, is implemented the change of two kinds of color LED electroluminescent lamps by AN-1.Two kinds of life light optical signals are also alternately sent by button, the auscultation of two MIC1 or earphone function are switched by button (AN2), MIC signal is again after button is connected with coupling capacitance (C-1), enter optional 1651 transmitter modules (8), the tranmitting frequency of this module is regulated and controled by frequency LC resonance circuit, transmits and to be connected with antenna (10) through electric capacity (C-4) and to export (adopting portable frequency-modulation earphone to receive in addition).The sue and labour sound and individual heartbeat etc. of the ground gathered by the solid-state conduction sound (MIC2) is needed to send to the side of suing and labouring when considering communication, therefore with the addition of the jack of MIC2 and (AN) and and add USB interface so that daily insertion " microphone adnexa " prevent to forget charging causes cannot emergency help.In addition as adopt recording playback module as " fixing emergency sound " and storage, namely can in advance by the typing module such as personal information and " language explanation ", to time action button (AN) the full-automatic alternate emission of distress signal can be realized.(according to Figure 13 illustrate circuit implement its voltage be 4V, electric current only 15ma, use 800 milliamperes of batteries can add up transmitting and be greater than 50 hours, the ratio of pausing four minutes for a minute according to transmitting has calculated) the stranded mission need of full up foot seven days.For what meet family old man, (Figure 11) double track transmitter module and arrange panel and volume display etc. is preferably adopted to the monitoring built-in circuit of cardiovascular diseases in addition, and USB port is set in case with the grafting of opto-electronic compensation device.

4. enforcement such as Figure 14 of an opto-electronic compensation device illustrates, the program to select the photovoltaic battery panel of corresponding power consumption, settle photovoltaic cell module (13) at housing lighting surface and be connected with pressure release (voltage stabilizing) control circuit (14), forming opto-electronic compensation device (15).And export electric energy by USB plug, as being connected with the USB port of lifesaving microphone.Opto-electronic compensation device facility can consider that the electrical equipment of applicable corresponding low power consumption standby is as electric power compensation in addition.The voltage marked in figure, therefore can not the charging device of substituting battery lower than the charge value of battery.This device can only as with charge and the attachment device deposited, because only belonging to the application of known technology, the large I of concrete compensation energy is calculated according to the voltage of target compensation battery and consumable microampere gauge, especially using state whether comprise standby Micro Energy Lose will with average light application time to select compensation dosage etc.

Claims (3)

1. a medical electronic stethoscope and lifesaving pager, by stethoscope housing (1), power supply (2), sound collection element Mike (MIC) and amplifier and loudspeaker (4) composition, its feature: be that the holding wire of " wired " stethoscope sound collection element MIC is connected with the input of audio frequency amplifier through switch (K-1) and coupling capacitance, the output end signal of amplifier is connected with loudspeaker (4), and volume output signal is connected with volume display (10), volume display, switch, button is arranged on the upper formation of guidance panel (9) of stethoscope housing,

" wireless " stethoscopic holding wire is connected with the input of transmitter module through coupling capacitance (C-1), and the outfan of transmitter module to connect with transmitting antenna through capacitor (C-4) and adopts the receiver of wireless headset or other corresponding radiation pattern to listen to.

2. medical electronic stethoscope as claimed in claim 1 and lifesaving pager, its feature: described transmitter module can be a kind of double track transmitter module, wherein the holding wire of MIC1 switches through switch (K-2) and is connected with transmitter module circuit input end, or transmitter module input can be switched to and be connected with recording playback module (3) outfan of tape storage;

The holding wire of Mike (MIC-2) inputs the other end through jack (CK-1) and electric capacity (C1) with transmitter module circuit and is connected, the outfan of transmitter module has been connected transmitting through capacitor (C11) with transmitting antenna, wherein the monitoring signal of transmitter module is connected with loudspeaker by the changer of jack (CK-2) through amplifying, and monitors the sound that Mike gathers.

3. medical electronic stethoscope as claimed in claim 1 or 2 and lifesaving pager, its feature: be a kind of stethoscope and pager combination unit, housing arranges push-and-pull switch K1-1 be connected with built-in power and LED electroluminescent lamp, and switch the colored distress light optical signals of two kinds of differences by button (AN-1) and send, when the connection of the optional order sound channel of switch (K1-2) or double track radiating circuit module;

The signal of the signal or switching recording playback module (3) that switch sound collection original paper (MIC-1) by button (AN2) again accesses the input of transmitter module to launch life saving signal, another sound collection original paper (MIC2) is transferred by jack (CK-1) signal of solid-state acoustic conductivity sound sensor (MIC2), access radiating circuit input through electric capacity (C1), paging sound export loudspeaker (4) to by the monitoring circuit of double track transmitter module and monitor volume by display (10) show form.