CN206745377U - A kind of Medical teaching stethoscope - Google Patents
A kind of Medical teaching stethoscope Download PDFInfo
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- CN206745377U CN206745377U CN201621403447.4U CN201621403447U CN206745377U CN 206745377 U CN206745377 U CN 206745377U CN 201621403447 U CN201621403447 U CN 201621403447U CN 206745377 U CN206745377 U CN 206745377U
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- auscultation
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Abstract
It the utility model is related to a kind of Medical teaching stethoscope, belong to Medical teaching instrument field, described Medical teaching stethoscope includes membrane type auscultation head, cup type auscultation head, pickup cartridge, spring clip, audio frequency process box, audio signal amplifier, OMTP interfaces, earplug, earphone, phonographic recorder, straight tube, cold-proof film, cold-proof circle, conversion head, sound transmission aperture, adjusting knob, collection acoustic shell, sound absorbing layer, electromagnetic inductor；The utility model is when in use, the sound that stethoscope can be collected into is converted into audio signal, audio signal is after signal amplifier amplifies, output enables the sound that human ear is clearly recognized, and, the utility model is provided with least two pairs of earphones, teacher and student can auscultation simultaneously, facilitate the explanation of teacher；In addition, the sound of inside of human body efficiently can be transmitted to doctor by the utility model, and the interference of external noise can be resisted, improve the degree of accuracy of auscultation.
Description
Technical field
Medical teaching instrument field is the utility model is related to, specifically, is related to a kind of Medical teaching stethoscope.
Background technology
The common stethoscope used at present is used for medical worker's auscultation vein, artery, the heart, lung, the sound in enteral portion.With
The development of medical technology, the continuous expansion of Higher Medical Education scale, the number of medico is also constantly increasing, and medical teaching
It is very important, directly affects the culture of medical person, be related to the total quality of the follow-up talent of medical and health care system, and listens
It is indispensable technical ability to examine.
At present, the stethoscope of teaching is mostly one group of earplug, and when giving lessons, students can not be experienced accurately teachers
Main points described in teacher, cause vagueness in memory, and the stethoscope of teaching can not record the sound heard, students are when looking back
Necessary knowledge point will be lacked, reduce the learning efficiency of students.Also, traditional stethoscope is easily by external noise
Interference, influences discrimination of the student to inside of human body sound, reduces the quality and efficiency of Students ' Learning, furthermore, inside of human body device
The microphonia of official, and traditional stethoscope sound loss in auscultation is serious, the interference of external environment in addition, it is difficult to according to sound
Sound judges the sound of inside of human body with the presence or absence of abnormal.
The content of the invention
In order to overcome problem present in background technology, the utility model proposes a kind of Medical teaching stethoscope, listening
When examining, the sound that can be collected into stethoscope is converted into audio signal, and after signal amplifier amplifies, output makes one audio signal
The sound that ear can be recognized clearly, also, the utility model is provided with least two pairs of earphones, teacher and student can auscultation simultaneously,
Facilitate the explanation of teacher, meanwhile, the utility model is provided with phonographic recorder, can play back SoundRec during auscultation, deepen student
Memory and understanding；In addition, the sound of inside of human body efficiently can be transmitted to doctor by the utility model, and can resist outer
The interference of boundary's noise, improve the degree of accuracy of auscultation.
To achieve the above object, the utility model is achieved by the following technical solution：Described Medical teaching auscultation
Device include membrane type auscultation head, cup type auscultation head, pickup cartridge, spring clip, audio frequency process box, audio signal amplifier, OMTP interfaces,
Earplug, earphone, phonographic recorder, straight tube, cold-proof film, cold-proof circle, conversion head, sound transmission aperture, adjusting knob, collection acoustic shell, sound absorbing layer, electromagnetism
Inductor；The membrane type auscultation head is interconnected with cup type auscultation head by straight tube, and membrane type auscultation head bottom is provided with cold-proof film, cup
Cold-proof circle is provided with the top of formula auscultation head, a conversion head is flexibly connected on straight tube, the external diameter of conversion head is more than the internal diameter of straight tube,
Conversion head is provided with sound transmission aperture, and the right-hand member of conversion head is connected with adjusting knob；The left end of the conversion head passes through pickup cartridge and sound
Frequency handle box is connected, and audio frequency process box is connected with audio signal amplifier, and pickup cartridge is provided with spring clip, audio signal amplifier
Left side be provided with phonographic recorder, audio signal amplifier is provided with the OMTP interfaces described at least two, and OMTP interfaces plug earphone,
Earphone is provided with earplug；The inside of the audio frequency process box is provided with collection acoustic shell, and the top for collecting acoustic shell is provided with electromagnetic inductor, collection sound
Sound absorbing layer is formed between the outer wall and audio frequency process box of cover, sound-absorbing material is filled in sound absorbing layer.
Preferably, described cold-proof film and membrane type auscultation head clamping, cold-proof circle and cup type auscultation head clamping.
Preferably, described cold-proof film is crest shape sound-absorbing sponge.
Preferably, described earphone is provided with ear cotton.
The beneficial effects of the utility model：
When in use, the vibration that can be collected into stethoscope is converted into audio signal to the utility model, and audio signal is through letter
After the amplification of number amplifier, output enables the sound that human ear is clearly recognized, also, the utility model is provided with least two pairs of earphones,
Teacher and student can auscultation simultaneously, facilitate the explanation of teacher, meanwhile, the utility model is provided with phonographic recorder, when can be by auscultation
SoundRec playback, deepen the memory and understanding of student；In addition, the utility model can be efficiently by the sound of inside of human body
Doctor is transmitted to, and the interference of external noise can be resisted, improves the degree of accuracy of auscultation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A portions of the present utility model enlarged drawing；
Fig. 3 is the sectional view of audio frequency process box of the present utility model.
In figure, 1- membrane types auscultation head, the cup type auscultation heads of 2-, 3- pickup cartridges, 4- spring clips, 5- audio frequency process box, 6- audios
The cold-proof circle of signal amplifier, 7- OMTP interfaces, 8- earplugs, 9- earphones, 10- phonographic recorders, 11- straight tubes, the cold-proof films of 12-, 13-,
14- conversion heads, 15- sound transmission apertures, 16- adjusting knobs, 17- collection acoustic shell, 18- sound absorbing layers, 19- electromagnetic inductors.
Embodiment
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, below in conjunction with accompanying drawing, to this
The preferred embodiment of utility model is described in detail, to facilitate the technical staff to understand.
As Figure 1-3, described Medical teaching stethoscope include membrane type auscultation head 1, cup type auscultation head 2, pickup cartridge 3,
It is spring clip 4, audio frequency process box 5, audio signal amplifier 6, OMTP interfaces 7, earplug 8, earphone 9, phonographic recorder 10, straight tube 11, anti-
Cold film 12, cold-proof circle 13, conversion head 14, sound transmission aperture 15, adjusting knob 16, collection acoustic shell 17, sound absorbing layer 18, electromagnetic inductor 19.
The membrane type auscultation head 1 is interconnected with cup type auscultation head 2 by straight tube 11, and the bottom of membrane type auscultation head 1 is provided with anti-
Cold film 12, the cup type top of auscultation head 2 are provided with cold-proof circle 13；Auscultation head is typically made up of heavy metal materials such as stainless steel, titaniums, and
To improve the pickup efficiency of inside of human body sound, auscultation head need to directly contact human body skin during auscultation, thus cold-proof film 12 with it is cold-proof
Setting for circle 13 can mitigate the sense of discomfort of patient, when especially temperature is relatively low, enhance practicality of the present utility model.
Described cold-proof film 12 and the clamping of membrane type auscultation head 1, cold-proof circle 13 and the cup type clamping of auscultation head 2 so that cold-proof film
12 is detachable with cold-proof circle 13, is easy to cleaning and sterilizing, avoids cross-infection.
Described cold-proof film 12 is crest shape sound-absorbing sponge, and the structure of crest shape can increase connecing for auscultation head and human body skin
Contacting surface is accumulated, and strengthens pickup efficiency.
A conversion head 14 is flexibly connected on the straight tube 11, the external diameter of conversion head 14 is more than the internal diameter of straight tube 11, turns
Change first 14 and be provided with sound transmission aperture 15, the right-hand member of conversion head 14 is connected with adjusting knob 16；In cardiac auscultation, membrane type auscultation head 1
Cup type auscultation head the last 2 of volume ratio of pickup, membrane type auscultation head 1 can well listen to high frequency sound, and cup type auscultation head 2 is adapted to listen
Take the low frequency sound or noise, carry out contrast teaching using both different characteristics during teachers' instruction, rotating adjusting knob 16 is
Conversion head 14 can be made freely to rotate, that is, change the direction of sound transmission aperture 15, the direction by changing sound transmission aperture 15 realizes membrane type auscultation
First 1 and the conversion of cup type auscultation head 2.
The left end of the conversion head 14 is connected by pickup cartridge 3 with audio frequency process box 5, audio frequency process box 5 and audio signal
Amplifier 6 connects, and pickup cartridge 3 is provided with spring clip 4, and the left side of audio signal amplifier 6 is provided with phonographic recorder 10；At audio
Reason box 5 converts sound into audio signal, then amplifies by audio signal amplifier 6, is exported finally by earphone 9 to human ear,
Sound after amplification enables the resolution that human ear is more cleaned, and improves the degree of accuracy of auscultation；When not in use, clamped by spring clip 4
Pickup cartridge 3 blocks the conduction of sound, so as to protect electromagnetic inductor 19.
Pickup cartridge 3 is PVC hose, and its antijamming capability is stronger, and audio is good and attractive in appearance.
Audio signal amplifier 6 is provided with the OMTP interfaces 7 described at least two, and OMTP interfaces 7 plug earphone 9, earphone 9
It is provided with earplug 8；The utility model is provided with least two pairs of earphones 9 so that teacher and student can auscultation simultaneously, facilitate teacher's
Explanation, meanwhile, the utility model is provided with phonographic recorder 10, can play back SoundRec during auscultation, deepen the memory of student with
Understand；OMTP is the earphone interface of domestic standard, and the setting of OMTP interfaces 7, after the loss of earphone 9, replaceable common headphones are such as
Earphone used for mobile phone etc., reduce maintenance cost so that use of the present utility model is more flexible.
Described earphone 9 is provided with ear cotton, can completely cut off external noise, and is convenient for changing after, avoids otopathy from intersecting sense
Dye.
The inside of the audio frequency process box 5 is provided with collection acoustic shell 17, and the top of collection acoustic shell 17 is provided with electromagnetic inductor 19；Human body
After interior sound is picked up by auscultation head, transmitted by pickup cartridge 3 into the collection acoustic shell 17 in audio frequency process box 5, electromagnetic inductor
19 are vacantly arranged on the tops of collection acoustic shell 17, i.e., it reduces the interference of external noise not with the hard contact of audio frequency process box 5.Collection
Sound absorbing layer 18 is formed between the outer wall and audio frequency process box 5 of acoustic shell 17, filling sound-absorbing material in sound absorbing layer 18, preferably strengthen every
Audio fruit, the interference electromagnetic inductor 19 of external noise is reduced, improve the degree of accuracy of auscultation.
The course of work of the present utility model：In use, required auscultation head is selected by rotating adjusting knob 16, by auscultation
The sound of auscultation position pickup inside of human body is treated in head fitting, and sound is passed to the collection acoustic shell 17 in audio frequency process box 5 by pickup cartridge 3
In, electromagnetic inductor 19 converts sound into audio signal, and audio signal passes through earphone 9 after the amplification of audio signal amplifier 6
Output；After completing auscultation, by 13 disassembly, cleaning of cold-proof film 12 and cold-proof circle, pickup cartridge 3 is clamped using spring clip 4.
When in use, the sound that can be collected into stethoscope is converted into audio signal to the utility model, and audio signal is through letter
After the amplification of number amplifier, output enables the sound that human ear is clearly recognized, also, the utility model is provided with least two pairs of earphones,
Enable teacher and student auscultation simultaneously, facilitate the explanation of teacher, meanwhile, the utility model is provided with phonographic recorder, will can listen
SoundRec playback when examining, deepens the memory and understanding of student；In addition, the utility model can be efficiently by inside of human body
Sound is transmitted to doctor, and can resist the interference of external noise, improves the degree of accuracy of auscultation.
Finally illustrate, preferred embodiment above is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent
The utility model has been described in detail by above preferred embodiment for pipe, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The scope of restriction.
Claims (4)
- A kind of 1. Medical teaching stethoscope, it is characterised in that：Described Medical teaching stethoscope includes membrane type auscultation head（1）, cup Formula auscultation head（2）, pickup cartridge（3）, spring clip（4）, audio frequency process box（5）, audio signal amplifier（6）, OMTP interfaces（7）、 Earplug（8）, earphone（9）, phonographic recorder（10）, straight tube（11）, cold-proof film（12）, cold-proof circle（13）, conversion head（14）, sound transmission aperture （15）, adjusting knob（16）, collection acoustic shell（17）, sound absorbing layer（18）, electromagnetic inductor（19）；The membrane type auscultation head（1）With cup Formula auscultation head（2）Pass through straight tube（11）It is interconnected, membrane type auscultation head（1）Bottom is provided with cold-proof film（12）, cup type auscultation head（2） Top is provided with cold-proof circle（13）, straight tube（11）One conversion head of upper flexible connection（14）, conversion head（14）External diameter be more than it is straight Pipe（11）Internal diameter, conversion head（14）It is provided with sound transmission aperture（15）, conversion head（14）Right-hand member and adjusting knob（16）Connection；Institute State conversion head（14）Left end pass through pickup cartridge（3）With audio frequency process box（5）Connection, audio frequency process box（5）Put with audio signal Big device（6）Connection, pickup cartridge（3）It is provided with spring clip（4）, audio signal amplifier（6）Left side be provided with phonographic recorder（10）, sound Frequency signal amplifier（6）It is provided with the OMTP interfaces described at least two（7）, OMTP interfaces（7）Plug earphone（9）, earphone（9） It is provided with earplug（8）；The audio frequency process box（5）Inside be provided with collection acoustic shell（17）, collect acoustic shell（17）Top be provided with electromagnetism Inductor（19）, collect acoustic shell（17）Outer wall and audio frequency process box（5）Between form sound absorbing layer（18）, sound absorbing layer（18）Interior filling Sound-absorbing material.
- A kind of 2. Medical teaching stethoscope as claimed in claim 1, it is characterised in that：Described cold-proof film（12）Listened with membrane type Examine head（1）Clamping, cold-proof circle（13）With cup type auscultation head（2）Clamping.
- A kind of 3. Medical teaching stethoscope as claimed in claim 1, it is characterised in that：Described cold-proof film（12）For crest shape Sound-absorbing sponge.
- A kind of 4. Medical teaching stethoscope as claimed in claim 1, it is characterised in that：Described earphone（9）It is provided with ear cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403447.4U CN206745377U (en) | 2016-12-21 | 2016-12-21 | A kind of Medical teaching stethoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403447.4U CN206745377U (en) | 2016-12-21 | 2016-12-21 | A kind of Medical teaching stethoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206745377U true CN206745377U (en) | 2017-12-15 |
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ID=60607800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621403447.4U Expired - Fee Related CN206745377U (en) | 2016-12-21 | 2016-12-21 | A kind of Medical teaching stethoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206745377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108013898A (en) * | 2018-01-12 | 2018-05-11 | 周柳萍 | Intelligent stethoscope |
-
2016
- 2016-12-21 CN CN201621403447.4U patent/CN206745377U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108013898A (en) * | 2018-01-12 | 2018-05-11 | 周柳萍 | Intelligent stethoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20201221 |