CN209644936U - A kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine - Google Patents
A kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine Download PDFInfo
- Publication number
- CN209644936U CN209644936U CN201821638729.1U CN201821638729U CN209644936U CN 209644936 U CN209644936 U CN 209644936U CN 201821638729 U CN201821638729 U CN 201821638729U CN 209644936 U CN209644936 U CN 209644936U
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- Prior art keywords
- acoustic
- syrinx
- auscultation
- dedicated
- internal medicine
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- Expired - Fee Related
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- 238000002555 auscultation Methods 0.000 title claims abstract description 42
- 239000003814 drug Substances 0.000 title claims abstract description 18
- 230000002526 effect on cardiovascular system Effects 0.000 title claims abstract description 17
- 206010042928 Syringomyelia Diseases 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 229910000639 Spring steel Inorganic materials 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 11
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 2
- -1 polytetrafluoroethylene Polymers 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003321 amplification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000000115 thoracic cavity Anatomy 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010002383 Angina Pectoris Diseases 0.000 description 1
- 208000031229 Cardiomyopathies Diseases 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 206010016322 Feeling abnormal Diseases 0.000 description 1
- 206010019280 Heart failures Diseases 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 208000009525 Myocarditis Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 208000000418 Premature Cardiac Complexes Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010042434 Sudden death Diseases 0.000 description 1
- 206010000891 acute myocardial infarction Diseases 0.000 description 1
- 206010003119 arrhythmia Diseases 0.000 description 1
- 230000006793 arrhythmia Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 208000010125 myocardial infarction Diseases 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
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- Percussion Or Vibration Massage (AREA)
Abstract
The utility model discloses a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine; including auscultation head, acoustic hose, acoustic syrinx, Acoustic baffling ear shield; the auscultation head includes love protective case, hand block, acoustic chassis; the love protective case is internally provided with the acoustic chassis; acoustic chassis front is provided with heating coil; the heating coil front is provided with button cell box; heater switch is provided with below the button cell box; the button cell box front is provided with stethoscope film, and stethoscope film front is provided with fixed ring.Beneficial effect is: the utility model structure is simple, it is easy to use, it is provided with Acoustic baffling ear shield, soundproof effect is good, it is possible to prevente effectively from the interference of ambient noise, it is provided with hand block simultaneously, farther out from patient body, will not generate touching leads to embarrassment to doctor's portion of the handle, and it is provided with heating coil, it may be implemented to heat, more convenient to use in winter, patient feels more comfortable.
Description
Technical field
The utility model relates to medical instruments fields, more particularly to a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine.
Background technique
Internal Medicine-Cardiovascular Dept., abbreviation Cardiological are that the big internal medicine of situation of all-level hospitals is arranged for diagnosis and treatment angiocarpy vascular diseases
One clinical department, the disease for the treatment of include angina pectoris, hypertension, sudden death, arrhythmia cordis, heart failure, premature beat, the rhythm of the heart not
Together, the cardiovascular diseases such as myocardial infarction, cardiomyopathy, myocarditis, acute myocardial infarction AMI.
In Internal Medicine-Cardiovascular Dept., wherein most popular medical instrument is exactly auscultation apparatus, current auscultation apparatus master
It to be stethoscope, stethoscope is a kind of medical instrument, and to listen to the intracorporal sound of the bodies such as patient's heartbeat, stethoscope is by method traditional Chinese medical science
Raw thunder nanogram was created in 1816, was announced in 1819.Stethoscope is a kind of important side that doctor checks patient, diagnoses the illness
Method.Stethoscope is since being applied to clinic, and shape and acoustic mode have continuous improvement, but the variation of its basic structure is not
Greatly, mainly by pickup part (chest piece), conduction portion (sebific duct) and audition part (ear piece) composition.
Current auscultation apparatus ear piece is all made of In-Ear, will lead to the ear of doctor when the auscultation time is longer in this way and feels bad
Pain, and soundproof effect is poor, is easy the interference by ambient noise, while current auscultation apparatus is substantially directly
Metal chest piece, so that during auscultation, the hand of doctor can be contacted with patient body lead to embarrassment, while metal compared with
It is cool, in winter using patient being made to feel cold.
Utility model content
The purpose of this utility model is that provides that a kind of Novel cardiovascular internal medicine is dedicated to listen to solve the above-mentioned problems
Device is examined, the utility model structure is simple, and easy to use, soundproof effect is good, it is possible to prevente effectively from the interference of ambient noise, simultaneously
Farther out from patient body, will not generate touching leads to embarrassment to doctor's portion of the handle, and may be implemented to heat, and uses in winter
It is more convenient.
The utility model achieves the above object through the following technical schemes:
A kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine, including auscultation head, acoustic hose, acoustic syrinx, Acoustic baffling ear shield,
The auscultation head includes love protective case, hand block, acoustic chassis, and the love protective case is internally provided with the acoustic bottom
Disk, acoustic chassis front are provided with heating coil, and the heating coil front is provided with button cell box, the button electricity
Heater switch is provided with below the box of pond, the button cell box front is provided with stethoscope film, the setting of stethoscope film front
There is fixed ring, love protective case front is provided with link block, and the link block front is provided with the hand block, the hand
It holds and is provided with hand-held finger-hole on block, be provided with acoustic metal tube below the auscultation head, the auscultation head side is provided with threeway
Connecting tube is provided with the acoustic hose, the acoustic inside hose between the acoustic metal tube and the three-limb tube
It is provided with guarantor's sound-absorbing layer, is provided with spring steel plate above the three-limb tube, the spring steel plate both ends are provided with fixing sleeve,
The spring steel plate and the fixing sleeve weld, and welding is so that be completely embedded between the spring steel plate and the fixing sleeve can
It leans on, ensure that the connective stability between the spring steel plate and the fixing sleeve, the fixing sleeve and the acoustic syrinx are logical
Screw connection is crossed, screw connects so that being completely embedded between the fixing sleeve and the acoustic syrinx reliably, so that the fixation
Set will not slide on the acoustic syrinx, and the fixing sleeve is provided with the acoustic ear far from the side of the spring steel plate
Pipe, the acoustic syrinx are provided with the Acoustic baffling ear shield far from one end of the three-limb tube, set inside the Acoustic baffling ear shield
It is equipped with audition cavity, the heater switch is electrically connected with the heating coil.
So set, structure is simple, and it is easy to use, it is provided with the Acoustic baffling ear shield, soundproof effect is good, it is possible to prevente effectively from
The interference of ambient noise, while it being provided with the hand block, doctor's portion of the handle farther out from patient body, will not generate touching and lead
Embarrassment is caused, and is provided with the heating coil, may be implemented to heat, more convenient to use in winter, patient feels more
Comfortably.
In above structure, in auscultation, doctor holds the hand block, and a finger is then passed through the hand-held finger
Then the auscultation head is placed on cardiac position before thoracic so that hand-held more stable by hole, doctor take it is described every
After sound earmuff, so that it may the heartbeat of patient is clearly heard, to judge patient according to the heartbeat of patient and frequency
Physical condition, the stethoscope film can effectively amplify sound, and ambient noise can be effectively prevented in the Acoustic baffling ear shield.
Further, the acoustic hose is tightly placed on the acoustic metal tube, and the acoustic hose is tightly placed in the threeway
In connecting tube.
So set, the acoustic hose is tightly placed on the acoustic metal tube, so that the acoustic hose and the biography
It is completely embedded between sound metal tube reliably, and good airproof performance, the acoustic hose are tightly placed on the three-limb tube, so that
It is completely embedded between the acoustic hose and the three-limb tube reliably, and good airproof performance.
Further, the three-limb tube is tightly placed on the acoustic syrinx, and the Acoustic baffling ear shield is tightly placed in the acoustic
On syrinx.
So set, the three-limb tube is tightly placed on the acoustic syrinx so that the three-limb tube with it is described
It is completely embedded between acoustic syrinx reliably, and good airproof performance, the Acoustic baffling ear shield is tightly placed on the acoustic syrinx, so that institute
It states and is completely embedded between Acoustic baffling ear shield and the acoustic syrinx reliably, and good airproof performance.
Further, the material of the acoustic syrinx is titanium alloy, has good acoustic performance, the material of the stethoscope film
Matter is polytetrafluoroethylplastic plastic, can effectively amplify heartbeat.
So set, the material of the acoustic syrinx is titanium alloy, titanium alloy is outstanding sound conduction carrier, is had good
Good acoustic performance, therefore the heartbeat that doctor can be made to hear is clearer, more accurately, the material of the stethoscope film is
Polytetrafluoroethylplastic plastic can effectively amplify heartbeat, consequently facilitating doctor hears bigger heartbeat, also avoid due to
Decrease during sound conduction is not so that doctor hears the heartbeat of patient.
Further, the acoustic hose materials are medical grade rubber, have good flexibility, the material of the acoustic metal tube
Matter is titanium alloy, has good acoustic performance.
So set, the acoustic hose materials are medical grade rubber, there is good flexibility, and good airproof performance, and
Securely and reliably, while it being also convenient for the transmission of sound, the material of the acoustic metal tube is titanium alloy, and titanium alloy is outstanding sound
Conducting carrier has good acoustic performance, therefore the heartbeat that doctor can be made to hear is clearer, more accurately.
Further, the hand-held finger-hole takes shape in the hand block, the hand block and the link block and is connected by screw
It connects, the link block is Nian Jie with the love protective case.
So set, the hand-held finger-hole takes shape in the hand block, it is described convenient for the processing and manufacturing of the hand-held finger-hole
Hand block is connected by screw to the link block, and screw connects so that the hand block and the link block stable connection can
It leans on, hand-held convenient for doctor, the link block is Nian Jie with the love protective case, and bonding is easy to operate, and connects reliable.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, structure is simple, easy to use, is provided with Acoustic baffling ear shield, and soundproof effect is good, it is possible to prevente effectively from ambient noise
Interference；
2, it is provided with hand block simultaneously, farther out from patient body, will not generate touching leads to embarrassment to doctor's portion of the handle；
3 and it is provided with heating coil, may be implemented to heat, more convenient to use in winter, patient feels more to relax
It is suitable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of main view of dedicated auscultation apparatus of Novel cardiovascular internal medicine described in the utility model；
Fig. 2 is in the left view amplification of auscultation head in a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine described in the utility model
Portion's structural schematic diagram；
Fig. 3 is the vertical view amplification of acoustic hose in a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine described in the utility model
Schematic diagram of internal structure；
Fig. 4 is the main view amplification of Acoustic baffling ear shield in a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine described in the utility model
Schematic diagram of internal structure.
The reference numerals are as follows:
1, auscultation head；2, love protective case；3, link block；4, hand block；5, acoustic metal tube；6, acoustic hose；7, three
Lead to adapter tube；8, spring steel plate；9, fixing sleeve；10, acoustic syrinx；11, Acoustic baffling ear shield；12, audition cavity；13, sound-absorbing layer is protected；
14, acoustic chassis；15, heating coil；16, button cell box；17, stethoscope film；18, fixed ring；19, finger-hole is held；20, add
Thermal switch.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model is described in further detail with reference to the accompanying drawing.
First embodiment:
As Figure 1-Figure 4, a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine, including auscultation head 1, acoustic hose 6, biography
Sound syrinx 10, Acoustic baffling ear shield 11, auscultation head 1 includes love protective case 2, hand block 4, acoustic chassis 14, inside love protective case 2
It is provided with acoustic chassis 14, acoustic chassis 14 is provided with heating coil 15, heating coil 15 to acoustic, 14 front of acoustic chassis
To heat, 15 front of heating coil is provided with button cell box 16, and button cell box 16 is to install button cell, button electricity
Heater switch 20 is provided with below pond box 16, heater switch 20 is heated to control heating coil 15,16 front of button cell box
It is provided with stethoscope film 17, stethoscope film 17 is provided with fixed ring 18 to amplify heartbeat, 17 front of stethoscope film, fixed
Ring 18 is provided with link block 3 to fixation, 2 front of love protective case, and for link block 3 to connect, 3 front of link block is provided with hand
Block 4 is held, hand block 4 is provided with hand-held finger-hole 19, holds finger-hole 19 to hand-held, under auscultation head 1 to hold in hand block 4
Side is provided with acoustic metal tube 5, and for acoustic metal tube 5 to acoustic, 1 side of auscultation head is provided with three-limb tube 7, threeway connection
Pipe 7 is provided with acoustic hose 6 to connect between acoustic metal tube 5 and three-limb tube 7, acoustic hose 6 is passed to acoustic
Sound hose 6, which is internally provided with, protects sound-absorbing layer 13, protects sound-absorbing layer 13 to reduce sound loss, is provided with spring above three-limb tube 7
Steel disc 8, spring steel plate 8 are pulled open and are tightened to acoustic syrinx 10, and 8 both ends of spring steel plate are provided with fixing sleeve 9, fixing sleeve 9
To connect, spring steel plate 8 and fixing sleeve 9 are welded, and welding is so that be completely embedded reliable, guarantor between spring steel plate 8 and fixing sleeve 9
The connective stability between spring steel plate 8 and fixing sleeve 9 is demonstrate,proved, fixing sleeve 9 is connected by screw to acoustic syrinx 10, and screw connects
Connect so that be completely embedded between fixing sleeve 9 and acoustic syrinx 10 it is reliable so that fixing sleeve 9 will not slide on acoustic syrinx 10,
Fixing sleeve 9 is provided with acoustic syrinx 10 far from the side of spring steel plate 8, and for acoustic syrinx 10 to acoustic, acoustic syrinx 10 is separate
One end of three-limb tube 7 is provided with Acoustic baffling ear shield 11, and Acoustic baffling ear shield 11 is to audition and external sound is avoided to interfere, sound insulation ear
Cover 11 is internally provided with audition cavity 12, and audition cavity 12 is electrically connected to audition, heater switch 20 with heating coil 15.
Second embodiment:
The difference of second embodiment and first embodiment is: the material of acoustic syrinx 10 is titanium alloy, is had good
The material of acoustic performance, stethoscope film 17 is polytetrafluoroethylplastic plastic, can effectively amplify heartbeat.
Specifically, the material of acoustic syrinx 10 is titanium alloy, titanium alloy is outstanding sound conduction carrier, is had good
Acoustic performance, therefore the heartbeat that doctor can be made to hear is clearer, more accurately, the material of stethoscope film 17 is polytetrafluoro
Vinyl plastics can effectively amplify heartbeat, consequently facilitating doctor hears bigger heartbeat, also avoid passing due to sound
Decrease during leading is not so that doctor hears the heartbeat of patient.
3rd embodiment:
The difference of 3rd embodiment and first embodiment is: hand-held finger-hole 19 takes shape in hand block 4, hand block 4 and company
It connects block 3 to be connected by screw to, link block 3 is Nian Jie with love protective case 2.
Specifically, hand-held finger-hole 19 takes shape in hand block 4, convenient for holding the processing and manufacturing of finger-hole 19, hand block 4 with connect
Block 3 is connected by screw to, and screw connects so that hand block 4 and 3 stable connection of link block are reliable, is held convenient for doctor, link block 3
Nian Jie with love protective case 2, bonding is easy to operate, and connects reliable.
Working principle: in auscultation, doctor holds hand block 4, a finger is then passed through hand-held finger-hole 19, to make
It must hold more stable, auscultation head 1 is then placed on cardiac position before thoracic, after doctor takes Acoustic baffling ear shield 11, just
The heartbeat of patient can be clearly heard, to judge the physical condition of patient according to the heartbeat of patient and frequency, is listened
Sound can effectively be amplified by examining device film 17, and ambient noise can be effectively prevented in Acoustic baffling ear shield 11.
Above embodiments are only to illustrate the technical solution of the utility model rather than its limitations；Although implementing referring to preferable
The utility model is described in detail in example, it should be understood by those ordinary skilled in the art that: still can be to this reality
It is modified with novel specific embodiment or some technical features can be equivalently replaced；Without departing from the utility model
The spirit of technical solution should all be covered within the scope of the technical scheme claimed by the utility model.
Claims (6)
1. a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine, it is characterised in that: including auscultation head (1), acoustic hose (6), pass
Sound syrinx (10), Acoustic baffling ear shield (11), the auscultation head (1) include love protective case (2), hand block (4), acoustic chassis
(14), the love protective case (2) is internally provided with the acoustic chassis (14), and acoustic chassis (14) front, which is provided with, to be added
Heat coil (15), heating coil (15) front are provided with button cell box (16), are set below the button cell box (16)
It is equipped with heater switch (20), button cell box (16) front is provided with stethoscope film (17), before the stethoscope film (17)
Portion is provided with fixed ring (18), and love protective case (2) front is provided with link block (3), link block (3) the front setting
Have the hand block (4), be provided with hand-held finger-hole (19) on the hand block (4), is provided with acoustic below the auscultation head (1)
Metal tube (5), auscultation head (1) side are provided with three-limb tube (7), and the acoustic metal tube (5) and described three is led to
The acoustic hose (6) is provided between adapter tube (7), the acoustic hose (6), which is internally provided with, protects sound-absorbing layer (13), the threeway
It is provided with spring steel plate (8) above connecting tube (7), spring steel plate (8) both ends are provided with fixing sleeve (9), the spring
Steel disc (8) and the fixing sleeve (9) are welded, and the fixing sleeve (9) is connected by screw to the acoustic syrinx (10), described solid
Fixed set (9) is provided with the acoustic syrinx (10) far from the side of the spring steel plate (8), and the acoustic syrinx (10) is far from institute
The one end for stating three-limb tube (7) is provided with the Acoustic baffling ear shield (11), and the Acoustic baffling ear shield (11) is internally provided with audition sky
Chamber (12), the heater switch (20) are electrically connected with the heating coil (15).
2. a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine according to claim 1, it is characterised in that: the acoustic is soft
Pipe (6) is tightly placed on the acoustic metal tube (5), and the acoustic hose (6) is tightly placed on the three-limb tube (7).
3. a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine according to claim 1, it is characterised in that: described three lead to
Adapter tube (7) is tightly placed on the acoustic syrinx (10), and the Acoustic baffling ear shield (11) is tightly placed on the acoustic syrinx (10).
4. a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine according to claim 1, it is characterised in that: the acoustic ear
The material for managing (10) is titanium alloy, has good acoustic performance, and the material of the stethoscope film (17) is polytetrafluoroethylene (PTFE) modeling
Material, can effectively amplify heartbeat.
5. a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine according to claim 1, it is characterised in that: the acoustic is soft
Pipe (6) material is medical grade rubber, has good flexibility, and the material of the acoustic metal tube (5) is titanium alloy, is had good
Acoustic performance.
6. a kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine according to claim 1, it is characterised in that: the hand-held finger
Hole (19) takes shape in the hand block (4), and the hand block (4) is connected by screw to the link block (3), the link block
(3) Nian Jie with love protective case (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821638729.1U CN209644936U (en) | 2018-10-10 | 2018-10-10 | A kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821638729.1U CN209644936U (en) | 2018-10-10 | 2018-10-10 | A kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209644936U true CN209644936U (en) | 2019-11-19 |
Family
ID=68505653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821638729.1U Expired - Fee Related CN209644936U (en) | 2018-10-10 | 2018-10-10 | A kind of dedicated auscultation apparatus of Novel cardiovascular internal medicine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209644936U (en) |
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2018
- 2018-10-10 CN CN201821638729.1U patent/CN209644936U/en not_active Expired - Fee Related
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Granted publication date: 20191119 |