CN106137243A - A kind of multifunctional medical pediatric stethoscope - Google Patents
A kind of multifunctional medical pediatric stethoscope Download PDFInfo
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- CN106137243A CN106137243A CN201610589922.XA CN201610589922A CN106137243A CN 106137243 A CN106137243 A CN 106137243A CN 201610589922 A CN201610589922 A CN 201610589922A CN 106137243 A CN106137243 A CN 106137243A
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- earplug
- sensor
- ring
- suction disc
- sound
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
- A61B7/04—Electric stethoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/04—Babies, e.g. for SIDS detection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/06—Children, e.g. for attention deficit diagnosis
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention discloses a kind of multifunctional medical pediatric stethoscope, including: the first earplug, the second earplug, electronic flasher, sensor, Ring like suction disc；Described sensor includes sensor I and sensor II; the excircle of described sensor II is provided with Ring like suction disc; the middle part of described Ring like suction disc is provided with electronic timer; on the outer wall of Ring like suction disc, auxiliary rod is installed; the upper end of Ring like suction disc is connected with electronic flasher; the signal output part of electronic flasher is connected with one end of receiver, and the other end of receiver is provided with sound every guard circle, and sound is provided with sensor I in guard circle；Sensor I is connected with conversion equipment, conversion equipment is provided with the first earplug and the second earplug, the listening tube of the second earplug is provided with nipple device.The present invention is easy to use, can shift child attention, and multidigit doctor can be made to hold a consultation simultaneously, and efficiency is high.
Description
Technical field
The invention belongs to technical field of medical instruments, especially relate to a kind of multifunctional medical pediatric stethoscope.
Background technology
In the Pediatric Clinic of hospital, the majority coming to go to a doctor is all flu, the little patient of fever, and doctors are making for it
Before diagnosis, first will carry out some body temperature and cardiovascular and pulmonary function test, auscultation is the most all requisite.Diagnosis in hospital
In treatment, stethoscope is through commonly used diagnostic tool, and stethoscope is the important device of one that doctor checks patient, diagnoses the illness
Tool.For understanding patient's beats per minute, frequency of abnormity per minute, palmic rate, breathing, borborygmus etc., but existing
Stethoscope when child is used, owing to child age is less, stethoscope is had terrified psychology, therefore when diagnosis often
Crying and screaming and tamper, auscultation head is difficult to fix position, affects doctor's judgement to the state of an illness, the most also can go to grab stethoscope with hands, cause
Stethoscope easily comes off, thus the ear of scratch doctor, reduce the work efficiency of medical worker, impact diagnosis.
Existing pediatric stethoscope is mostly to be made up of auscultation head, listening tube, leading note sebific duct and earplug, and this stethoscope can only
Auscultation is carried out, when being needed the consultation of doctors by multiple doctors, it is necessary to carrying out auscultation successively, this method is not only by an independent doctor
Trouble, and the sound every time heard can produce certain error because of various reasons, causes holding a consultation inaccurate, and to youngster
When child carries out auscultation, due to the disposition reason of child, child is the most irritated, mismatches the auscultation of doctor, crying and screaming not of infants
Only can affect the auscultation speed of operation of doctor, but also influence whether the medical emotion of other infants, cause to the diagnosis of doctor
Puzzlement.
Therefore, it is necessary to existing Medical pediatric stethoscope is improved, the solution easy landing of Medical pediatric stethoscope,
Youngster's emotion is difficult to pacify, multidigit doctor can not carry out the problems such as the consultation of doctors.
Summary of the invention
It is an object of the invention to provide a kind of multifunctional medical pediatric stethoscope, it is intended to solve existing pediatric stethoscope
In-convenience in use, child attention can not be shifted, it is impossible to multidigit doctor hold a consultation, the problem of the low grade of efficiency.
The technical solution of the present invention is:
A kind of multifunctional medical pediatric stethoscope, including: the first earplug, the second earplug, electronic flasher, sensor, ring
Shape sucker；Described sensor includes sensor I and sensor II, and the excircle of described sensor II is provided with Ring like suction disc, described
The middle part of Ring like suction disc is provided with electronic timer, and the outer wall of Ring like suction disc is provided with auxiliary rod, the upper end of Ring like suction disc with
Electronic flasher is connected, and the signal output part of electronic flasher is connected with one end of receiver, and the other end of receiver is provided with
Sound is every guard circle, and sound is provided with sensor I in guard circle；Sensor I is connected with conversion equipment, and conversion equipment is provided with
First earplug and the second earplug, the listening tube of the second earplug is provided with nipple device.
It is further preferred that described first earplug and the second earplug include that earplug, sound guide tube, noise filter, sound are put
Big device, latch plate, protection band, Anti-slip cover；Being provided with sound intensifier inside described sound guide tube, sound guide tube upper end is provided with earplug, ear
It is provided with noise filter beyond the Great Wall；Described sound guide tube is provided with Anti-slip cover, protection band；Between described sound guide tube by latch plate even
Connect.
It is further preferred that described nipple device includes buckle, nipple, dust cap；The dismounting of described buckle is arranged on receiver
On, card is buckled and is provided with nipple, is provided with dust cap outside described nipple.
It is further preferred that arrange permutator I and permutator II on described conversion equipment, permutator I is used for controlling
Making the connection of the first earplug and Ring like suction disc, permutator II is for controlling connecing of the first earplug and the second earplug and Ring like suction disc
Logical.
It is further preferred that described sensor II top is provided with pad of heating, described in heat pad be provided with electronic timer, institute
The outside stating electronic timer is provided with electronic timer switch.
It is further preferred that described Ring like suction disc is made up of rubber.
The present invention has the advantages that compared with the prior art
(1) sound guide tube of the present invention is provided with Anti-slip cover, it is possible to prevent sound guide tube landing from causing damage；Protection band is for auscultation
In time, hang on neck, prevents stethoscope from dropping, and facilitates the auscultation of medical personnel simultaneously and puts down；Latch plate can be according to concrete need
Distance between sound guide tube to be regulated, contributes to medical personnel and carries out auscultation work；Sound intensifier, it is possible to again sound is entered
Row amplifies, and is beneficial to diagnosis.
(2) infant can be allowed to feel the warmest due to nipple form, the attention of infant is readily obtained transfer, the most also
Can eliminate it to stethoscopic fear, it is ensured that pacify infant emotion, simple and convenient, efficiency is high.
(3) when child mismatches the inspection of doctor, conversion equipment permutator can be adjusted, be possible not only to examine for doctor
Disconnected use, and child can be allowed to hear the sound of the internal organs such as heart beating of oneself, the effect of initiation can be played, it is also possible to
Student is imparted knowledge to students by the consultation of doctors or the teacher that facilitate multiple doctor so that it is hear identical sound together；Conversion equipment has very
Good airtight performance, sound is lost little, and diagnosis effect is good.
(4) by being provided with pad of heating, it is possible to avoid sensor to produce ice-cold sense of discomfort, and noise can be reduced, child is entered
It is provided with Ring like suction disc by the excircle of sensor II, it is possible to absorption body surface during row auscultation, easy to operate, it is possible to accurately
Disease is carried out diagnosis and treatment.
Accompanying drawing explanation
Fig. 1 is one multifunctional medical pediatric stethoscope overall structure schematic diagram of the present invention；
Fig. 2 is the first earplug and the structural representation of the second earplug in Fig. 1 of the present invention；
Fig. 3 is the structural representation of Ring like suction disc in Fig. 1 of the present invention；
In figure: 1, the first earplug；1-1, earplug；1-2, noise filter；1-3, sound intensifier；1-4, protection band；1-
5, Anti-slip cover；1-6, latch plate；1-7, sound guide tube；2, the second earplug；4, conversion equipment；5, permutator I；6, permutator
Ⅱ；7, sound is every guard circle；8, sensor I；9, listening tube；10, electronic flasher；11, auxiliary rod；12, electronic timer；13, ring
Shape sucker；13-1, sensor II；13-2, electronic timer switch；13-3, pad of heating；14, buckle；15, nipple；16, dust-proof
Lid.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe wholely.
Embodiment 1: such as Fig. 1, a kind of multifunctional medical pediatric stethoscope, including: first earplug the 1, second earplug 2, electronics
Flasher 10, sensor, Ring like suction disc 13；Described sensor includes sensor I 8 and sensor II 13-1, described sensor II
The excircle of 13-1 is provided with Ring like suction disc 13, and the middle part of described Ring like suction disc 13 is provided with electronic timer 12, Ring like suction disc 13
Outer wall on auxiliary rod 11 is installed, the upper end of Ring like suction disc is connected with electronic flasher 10, the signal of electronic flasher 10
Outfan is connected with one end of receiver 9, and the other end of receiver 9 is provided with sound and is provided with in guard circle 7 every guard circle 7, sound
Sensor I；Sensor I is connected with conversion equipment 4, and conversion equipment 4 is provided with the first earplug 1 and the second earplug 2, the second ear
On the listening tube 9 of plug 2, nipple device is installed.
It is further preferred that such as Fig. 2, described first earplug 1 and the second earplug 2 include earplug 1-1, sound guide tube 1-7, noise
Filter 1-2, sound intensifier 1-3, latch plate 1-6, protection band 1-4, Anti-slip cover 1-5；It is provided with sound inside described sound guide tube 1-7
Playback amplifier 1-3, sound guide tube 1-7 upper end is provided with earplug 1-1, earplug 1-1 and is provided with noise filter 1-2；Described sound guide tube 1-7
It is provided with Anti-slip cover 1-5, protection band 1-4；Connected by latch plate 1-6 between described sound guide tube 1-7.
It is further preferred that described nipple device includes buckle 14, nipple 15, dust cap 16；The dismounting of described buckle 14 sets
Putting on receiver 9, buckle 14 is provided with nipple 15, and described nipple 15 is outside is provided with dust cap 16.Nipple 15 shape can allow trouble
Youngster feels the warmest, is sent into by nipple 15 in child's mouth, and the attention of infant is readily obtained transfer, also can eliminate it right simultaneously
Stethoscopic fear, it is ensured that pacify infant emotion, simple and convenient, efficiency is high.
It is further preferred that arrange permutator I 5 and permutator II 6 on described conversion equipment 4, permutator I 5 is used
In controlling the first earplug 1 and the connection of Ring like suction disc 13, permutator II 6 is for controlling the first earplug 1 and the second earplug 2 and ring
The connection of shape sucker 13.When child is the most frightened, and when an independent doctor carries out auscultation, only need to open permutator I 5, by the
Auscultation doctor's in ear put into by one earplug 1, and doctor treats according to auscultated results.
It is further preferred that as described in Figure 3 sensor II 13-1 top be provided with heat pad 13-3, described in heat pad 13-3 on
Being provided with electronic timer 12, the outside of described electronic timer 12 is provided with electronic timer switch 13-2.By being provided with pad of heating
13-3, it is possible to avoid sensor to produce ice-cold sense of discomfort, and can reduce noise, carries out child passing through sensor II during auscultation
The excircle of 13-1 is provided with Ring like suction disc 13, it is possible to absorption body surface, easy to operate, it is possible to examine disease accurately
Control.
It is further preferred that described Ring like suction disc 13 is made up of rubber.
Embodiment 2: such as Fig. 1, a kind of multifunctional medical pediatric stethoscope, including: first earplug the 1, second earplug 2, electronics
Flasher 10, sensor, Ring like suction disc 13；Described sensor includes sensor I 8 and sensor II 13-1, described sensor II
The excircle of 13-1 is provided with Ring like suction disc 13, and the middle part of described Ring like suction disc 13 is provided with electronic timer 12, Ring like suction disc 13
Outer wall on auxiliary rod 11 is installed, the upper end of Ring like suction disc is connected with electronic flasher 10, the signal of electronic flasher 10
Outfan is connected with one end of receiver 9, and the other end of receiver 9 is provided with sound and is provided with in guard circle 7 every guard circle 7, sound
Sensor I；Sensor I is connected with conversion equipment 4, and conversion equipment 4 is provided with the first earplug 1 and the second earplug 2, the second ear
On the listening tube 9 of plug 2, nipple device is installed.
It is further preferred that such as Fig. 2, described first earplug 1 and the second earplug 2 include earplug 1-1, sound guide tube 1-7, noise
Filter 1-2, sound intensifier 1-3, latch plate 1-6, protection band 1-4, Anti-slip cover 1-5；It is provided with sound inside described sound guide tube 1-7
Playback amplifier 1-3, sound guide tube 1-7 upper end is provided with earplug 1-1, earplug 1-1 and is provided with noise filter 1-2；Described sound guide tube 1-7
It is provided with Anti-slip cover 1-5, protection band 1-4；Connected by latch plate 1-6 between described sound guide tube 1-7.
It is further preferred that described nipple device includes buckle 14, nipple 15, dust cap 16；The dismounting of described buckle 14 sets
Putting on receiver 9, buckle 14 is provided with nipple 15, and described nipple 15 is outside is provided with dust cap 16.Nipple 15 shape can allow trouble
Youngster feels the warmest, is sent into by nipple 15 in child's mouth, and the attention of infant is readily obtained transfer, also can eliminate it right simultaneously
Stethoscopic fear, it is ensured that pacify infant emotion, simple and convenient, efficiency is high.
It is further preferred that arrange permutator I 5 and permutator II 6 on described conversion equipment 4, permutator I 5 is used
In controlling the first earplug 1 and the connection of Ring like suction disc 13, permutator II 6 is for controlling the first earplug 1 and the second earplug 2 and ring
The connection of shape sucker 13.Work as children's fears, and when an independent doctor carries out auscultation, open permutator I 5 and permutator II
6, the first earplug 1 is put into auscultation doctor's in ear, child's in ear put into by the second earplug 2, is so possible not only to make for diagnosis
With, and can allow the sound of the internal organs such as child's heart beating hearing oneself, it is possible not only to effectively attract the attention of child
Power, and can make child that bioscience is produced interest, the effect of initiation can be played.
It is further preferred that as described in Figure 3 sensor II 13-1 top be provided with heat pad 13-3, described in heat pad 13-3 on
Being provided with electronic timer 12, the outside of described electronic timer 12 is provided with electronic timer switch 13-2.By being provided with pad of heating
13-3, it is possible to avoid sensor to produce ice-cold sense of discomfort, and can reduce noise, carries out child passing through sensor II during auscultation
The excircle of 13-1 is provided with Ring like suction disc 13, it is possible to absorption body surface, easy to operate, it is possible to examine disease accurately
Control.
It is further preferred that described Ring like suction disc 13 is made up of rubber.
Embodiment 3: such as Fig. 1, a kind of multifunctional medical pediatric stethoscope, including: first earplug the 1, second earplug 2, electronics
Flasher 10, sensor, Ring like suction disc 13；Described sensor includes sensor I 8 and sensor II 13-1, described sensor II
The excircle of 13-1 is provided with Ring like suction disc 13, and the middle part of described Ring like suction disc 13 is provided with electronic timer 12, Ring like suction disc 13
Outer wall on auxiliary rod 11 is installed, the upper end of Ring like suction disc is connected with electronic flasher 10, the signal of electronic flasher 10
Outfan is connected with one end of receiver 9, and the other end of receiver 9 is provided with sound and is provided with in guard circle 7 every guard circle 7, sound
Sensor I；Sensor I is connected with conversion equipment 4, and conversion equipment 4 is provided with the first earplug 1 and the second earplug 2, the second ear
On the listening tube 9 of plug 2, nipple device is installed.
It is further preferred that such as Fig. 2, described first earplug 1 and the second earplug 2 include earplug 1-1, sound guide tube 1-7, noise
Filter 1-2, sound intensifier 1-3, latch plate 1-6, protection band 1-4, Anti-slip cover 1-5；It is provided with sound inside described sound guide tube 1-7
Playback amplifier 1-3, sound guide tube 1-7 upper end is provided with earplug 1-1, earplug 1-1 and is provided with noise filter 1-2；Described sound guide tube 1-7
It is provided with Anti-slip cover 1-5, protection band 1-4；Connected by latch plate 1-6 between described sound guide tube 1-7.
It is further preferred that described nipple device includes buckle 14, nipple 15, dust cap 16；The dismounting of described buckle 14 sets
Putting on receiver 9, buckle 14 is provided with nipple 15, and described nipple 15 is outside is provided with dust cap 16.Nipple 15 shape can allow trouble
Youngster feels the warmest, is sent into by nipple 15 in child's mouth, and the attention of infant is readily obtained transfer, also can eliminate it right simultaneously
Stethoscopic fear, it is ensured that pacify infant emotion, simple and convenient, efficiency is high.
It is further preferred that arrange permutator I 5 and permutator II 6 on described conversion equipment 4, permutator I 5 is used
In controlling the first earplug 1 and the connection of Ring like suction disc 13, permutator II 6 is for controlling the first earplug 1 and the second earplug 2 and ring
The connection of shape sucker 13.When consultation of doctor, open permutator I 5 and permutator II 6, by the first earplug 1 and the second earplug
2 open simultaneously, and conversion equipment 4 can facilitate the consultation of doctors of multiple doctor or teacher to impart knowledge to students student so that it is hears together
Identical sound；Conversion equipment 4 has good airtight performance, and sound is lost little.
It is further preferred that as described in Figure 3 sensor II 13-1 top be provided with heat pad 13-3, described in heat pad 13-3 on
Being provided with electronic timer 12, the outside of described electronic timer 12 is provided with electronic timer switch 13-2.By being provided with pad of heating
13-3, it is possible to avoid sensor to produce ice-cold sense of discomfort, and can reduce noise, carries out child passing through sensor II during auscultation
The excircle of 13-1 is provided with Ring like suction disc 13, it is possible to absorption body surface, easy to operate, it is possible to examine disease accurately
Control.
It is further preferred that described Ring like suction disc 13 is made up of rubber.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not to invention protection domain
Restriction, one of ordinary skill in the art should be understood that, on the basis of technical scheme, those skilled in the art are not required to
Various amendments or deformation that creative work to be paid can be made are the most within the scope of the present invention.
Claims (6)
1. a multifunctional medical pediatric stethoscope, it is characterised in that including: the first earplug (1), the second earplug (2), electronics dodge
Light device (10), sensor, Ring like suction disc (13)；Described sensor includes sensor I (8) and sensor II (13-1), described biography
The excircle of sensor II (13-1) is provided with Ring like suction disc (13), and the middle part of described Ring like suction disc (13) is provided with electronic timer
(12), the outer wall of Ring like suction disc (13) being provided with auxiliary rod (11), the upper end of Ring like suction disc is connected with electronic flasher (10)
Connecing, the signal output part of electronic flasher (10) is connected with one end of receiver (9), the other end of receiver (9) be provided with sound every
Guard circle (7), sound is provided with sensor I in guard circle (7)；Sensor I is connected with conversion equipment (4), conversion equipment (4)
On the first earplug (1) and the second earplug (2) are installed, the listening tube (9) of the second earplug (2) is provided with nipple device.
A kind of multifunctional medical pediatric stethoscope the most according to claim 1, it is characterised in that described first earplug (1)
Earplug (1-1), sound guide tube (1-7), noise filter (1-2), sound intensifier (1-3), latch plate is included with the second earplug (2)
(1-6), protection band (1-4), Anti-slip cover (1-5)；Described sound guide tube (1-7) is internal is provided with sound intensifier (1-3), sound guide tube
(1-7) upper end is provided with earplug (1-1), and earplug (1-1) is provided with noise filter (1-2)；Described sound guide tube (1-7) is provided with anti-
Sliding sleeve (1-5), protection band (1-4)；Connected by latch plate (1-6) between described sound guide tube (1-7).
A kind of multifunctional medical pediatric stethoscope the most according to claim 1, it is characterised in that described nipple device includes
Buckle (14), nipple (15), dust cap (16)；Described buckle (14) dismounting is arranged on receiver (9), and buckle (14) is provided with milk
Mouth (15), described nipple (15) is outside is provided with dust cap (16).
A kind of multifunctional medical pediatric stethoscope the most according to claim 1, it is characterised in that described conversion equipment (4)
On permutator I (5) and permutator II (6) be set, permutator I (5) is for controlling the first earplug 1 and Ring like suction disc (13)
Connection, permutator II (6) is for controlling connecting of the first earplug (1) and the second earplug (2) and Ring like suction disc (13).
A kind of multifunctional medical pediatric stethoscope the most according to claim 1, it is characterised in that described sensor II (13-
1) top is provided with pad (13-3) of heating, described in pad (13-3) of heating be provided with electronic timer (12), described electronic timer
(12) outside is provided with electronic timer switch (13-2).
A kind of multifunctional medical pediatric stethoscope the most according to claim 1, it is characterised in that described Ring like suction disc (13)
It is made up of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589922.XA CN106137243A (en) | 2016-07-23 | 2016-07-23 | A kind of multifunctional medical pediatric stethoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589922.XA CN106137243A (en) | 2016-07-23 | 2016-07-23 | A kind of multifunctional medical pediatric stethoscope |
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| Publication Number | Publication Date |
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| CN106137243A true CN106137243A (en) | 2016-11-23 |
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ID=58059678
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610589922.XA Pending CN106137243A (en) | 2016-07-23 | 2016-07-23 | A kind of multifunctional medical pediatric stethoscope |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174272A (en) * | 2017-05-24 | 2017-09-19 | 南艳子 | A kind of Medical pediatric stethoscope |
| CN108784733A (en) * | 2018-06-28 | 2018-11-13 | 上海掌门科技有限公司 | auscultation system and method |
| CN110353724A (en) * | 2019-07-31 | 2019-10-22 | 林翠荣 | A kind of stethoscope for ladies only |
| CN111134718A (en) * | 2020-02-26 | 2020-05-12 | 自贡市第一人民医院 | Stethoscope auxiliary device suitable for children |
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| CN205359500U (en) * | 2015-12-24 | 2016-07-06 | 南阳医学高等专科学校 | Medical paediatrics stethoscope |
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| US5367575A (en) * | 1992-12-16 | 1994-11-22 | Minnesota Mining And Manufacturing Company | Electronic stethoscope having battery carriage |
| CN201505148U (en) * | 2009-04-27 | 2010-06-16 | 浙江玉升医疗器械股份有限公司 | Multifunctional resonance stethoscope |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174272A (en) * | 2017-05-24 | 2017-09-19 | 南艳子 | A kind of Medical pediatric stethoscope |
| CN108784733A (en) * | 2018-06-28 | 2018-11-13 | 上海掌门科技有限公司 | auscultation system and method |
| CN110353724A (en) * | 2019-07-31 | 2019-10-22 | 林翠荣 | A kind of stethoscope for ladies only |
| CN110353724B (en) * | 2019-07-31 | 2023-09-29 | 林翠荣 | Stethoscope special for women |
| CN111134718A (en) * | 2020-02-26 | 2020-05-12 | 自贡市第一人民医院 | Stethoscope auxiliary device suitable for children |
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Application publication date: 20161123 |
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| RJ01 | Rejection of invention patent application after publication |