CN112022200A - Multifunctional equipment for visual heart sound identification - Google Patents

Multifunctional equipment for visual heart sound identification Download PDF

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Publication number
CN112022200A
CN112022200A CN202010987878.4A CN202010987878A CN112022200A CN 112022200 A CN112022200 A CN 112022200A CN 202010987878 A CN202010987878 A CN 202010987878A CN 112022200 A CN112022200 A CN 112022200A
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CN
China
Prior art keywords
heart sound
detection box
tube
rotating shaft
noise
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Pending
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CN202010987878.4A
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Chinese (zh)
Inventor
杜春玲
周磊
吴超民
刘哲
粟锦平
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Hunan Ventmed Medical Technology Co Ltd
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Hunan Ventmed Medical Technology Co Ltd
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Priority to CN202010987878.4A priority Critical patent/CN112022200A/en
Publication of CN112022200A publication Critical patent/CN112022200A/en
Pending legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • G10L25/66—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination for extracting parameters related to health condition

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

The invention relates to the technical field of heart sound identification equipment, in particular to multifunctional equipment for visual heart sound identification, which is used for solving the problem that in the prior art, under the condition of relatively large external sound, the heart sound identification equipment is easily influenced and cannot normally identify the heart sound of a patient. The heart sound detection device comprises a detection box, a heart sound collector, a filter and a heart sound tube, wherein a heart sound cover is arranged at the tail end of the heart sound tube, a heart sound sensor is arranged on the heart sound tube close to the heart sound cover, the heart sound sensor is connected with a power supply, the filter is electrically connected with an amplifier, the amplifier is respectively and electrically connected with a stethoscope and a first converter, the stethoscope is connected with a stethoscope tube, the tail end of the stethoscope tube is provided with a stethoscope cover, and the first converter is electrically connected with a first display arranged on the outer wall of the detection box. The invention can reduce the influence of the outside on the equipment by amplifying the signal through the filter and the amplifier, and doctors can more accurately identify the heart sound of the patients.

Description

Multifunctional equipment for visual heart sound identification
Technical Field
The invention relates to the technical field of heart sound identification equipment, in particular to multifunctional equipment for visual heart sound identification.
Background
The current is automatically and rhythmically generated in the heart of a human body, and is transmitted to each part of the heart according to the sequence of conducting tissues, so that the contraction and the relaxation of myocardial cells are caused, the sound of the heart of the human body can reflect the state of the heart of the human body, generally, a stethoscope is adopted to directly acquire a heart sound audio signal, and whether the heart functions normally is judged according to experience, but the stethoscope can only judge the heart sound, and in order to more accurately know the heart sound of a patient, a heart sound identification device is generally used.
The heart sound identification equipment in the prior art comprises an electrocardio heart sound probe, a signal processing circuit, an AD conversion module (digital-to-analog conversion module) and a computer system which are electrically connected in sequence; the electrocardio-heart sound probe comprises a support piece, a sound sensor and a plurality of electrocardio-electrodes, wherein the sound sensor and each electrocardio-electrode are respectively arranged on the support piece; the sound sensor and each electrocardio electrode are connected to a computer system through a signal processing circuit and an AD conversion module. This heart sound identification equipment can gather electrocardiosignal and heart sound signal simultaneously to can be more comprehensive let the doctor know the patient's heart sound condition.
However, when the external sound is relatively large, the heart sound recognition device can clearly hear the heart sound frequency of the patient and also has a certain influence on the displayed heart sound frequency. Therefore, there is an urgent need for a heart sound recognition apparatus that can normally recognize the heart sound of a patient even when the external sound is relatively loud.
Disclosure of Invention
Based on the above problems, the present invention aims to: the utility model provides a multi-functional equipment of visual heart sound discernment for solve among the prior art under the great condition of external sound, the heart sound discernment equipment receives the problem that influences and can not normally discern patient's heart sound easily. The invention filters out some outside sounds through the filter, and then amplifies the signals through the amplifier, so that the influence of outside noise can be reduced on one hand, and the sound of heart sounds can be amplified on the other hand, thereby reducing the influence of the outside on the equipment, and doctors can also more accurately identify the heart sounds of patients.
The invention specifically adopts the following technical scheme for realizing the purpose:
the utility model provides a multi-functional equipment of visual heart sound discernment, includes the detection case, install electric connection's heart sound collector and wave filter in the detection case, install the heart sound pipe on the heart sound collector, the end of heart sound pipe is installed the heart sound cover, be close to heart sound cover department on the heart sound pipe and install the heart sound sensor, the heart sound sensor is connected with the power, wave filter electric connection has the amplifier, the amplifier is electric connection respectively has stethoscope and first converter, be connected with the auscultation pipe on the stethoscope, the auscultation cover is installed to the end of auscultation pipe, first converter electric connection has the first display of installing on the detection case outer wall.
In order to detect the state of illness of a patient more quickly, a noise collector is further installed on the detection box, a noise sensor is installed on the noise collector and is connected with a power supply, a noise reducer is electrically connected with the noise collector and is sequentially connected with a filter and an amplifier through leads, the amplifier is electrically connected with a second converter, the second converter is electrically connected with an analyzer, and the analyzer is electrically connected with a second display;
the analyzer is used to analyze common cases and display the final case on a second display.
In order to prevent the heart sound tube and the auscultation tube from being completely exposed outside the detection box when the equipment is not used, a left wire returning mechanism capable of recovering the heart sound tube and a right wire returning mechanism capable of recovering the auscultation tube are installed in the detection box.
The left wire returning mechanism is provided with a left rotating shaft positioned in the detection box through a left bearing, and the heart sound tube is wound on the left rotating shaft; the right loop mechanism is provided with a right rotating shaft located in the detection box through a right bearing, and the heart sound tube is wound on the right rotating shaft.
Preferably, a left wire returning hole is formed in the outer wall of the left side of the detection box, and a left placing plate is mounted on the inner wall of the left side of the detection box; the outer wall on detection case right side is opened there is right loophole, install the right board of placing on the inner wall on detection case right side.
One end of the left rotating shaft is connected with a left handle, and one end of the right rotating shaft is connected with a right handle.
The bottom surface of the detection box is provided with universal wheels through a bracket.
The invention has the following beneficial effects:
(1) the invention filters out some outside sounds through the filter, and then amplifies the signals through the amplifier, so that the influence of outside noise can be reduced on one hand, and the sound of heart sounds can be amplified on the other hand, thereby reducing the influence of the outside on the equipment, and doctors can also more accurately identify the heart sounds of patients.
(2) According to the invention, the noise sensor and the noise collector are used for collecting external noise, the noise reducer is used for reducing noise, and the filter is used for reducing filtering noise, so that clearer heart sound can be obtained through the stethoscope, and clearer heart sound signals can be displayed through the first display.
(3) According to the invention, the analyzer is provided with the common cases, and if the patient suffers from the common cases, the analyzer can analyze and display the final cases on the second display, so that the condition of the patient can be detected more quickly, and the accuracy of detection is improved.
(4) When the device is not used, the left rotating shaft is driven to rotate by rotating the left handle, so that the heart sound tube can be wound on the left rotating shaft, and the heart sound tube does not need to be exposed for a long time and is arranged outside the detection box; the right rotating shaft is driven to rotate by rotating the right handle, so that the auscultation tube can be wound on the right rotating shaft, and the auscultation tube is not exposed for a long time and is not arranged outside the detection box.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view taken at A-A of FIG. 1 according to the present invention;
FIG. 3 is a simplified diagram of the connection between the stethoscope tube and the stethoscope cover;
FIG. 4 is a schematic view of the connection of the cardiotomy tube and the cardiotomy cover according to the present invention;
FIG. 5 is a flow chart of the electrical device connection of the present invention;
reference numerals: 1 universal wheel, 2 supports, 3 power, 4 detection casees, 41 left loophole, 42 right loophole, 5 analyzers, 6 noise collectors, 7 heart sound cover, 8 heart sound pipe, 9 left side place the board, 10 heart sound collectors, 11 second displays, 12 second converters, 13 first converters, 14 wave filters, 15 stethoscopes, 16 first displays, 17 auscultation pipes, 18 auscultation covers, 19 right side place the board, 20 noise reducers, 21 amplifiers, 22 left pivot, 23 left bearing, 24 left handle, 25 right handle, 26 right bearing, 27 right pivot, 28 heart sound sensor, 29 noise sensor.
Detailed Description
For a better understanding of the present invention by those skilled in the art, the present invention will be described in further detail below with reference to the accompanying drawings and the following examples.
Example 1:
as shown in fig. 1-5, a multi-functional device of visual heart sound discernment, including detection case 4, install electrically connected's heart sound collector 10 and wave filter 14 in the detection case 4, install heart sound pipe 8 on the heart sound collector 10, heart sound cover 7 is installed to the end of heart sound pipe 8, be close to heart sound cover 7 department on the heart sound pipe 8 and install heart sound sensor 28, heart sound sensor 28 is connected with power 3, wave filter 14 electrically connected has amplifier 21, amplifier 21 is electric connection respectively has stethoscope 15 and first converter 13, be connected with auscultation pipe 17 on the stethoscope 15, auscultation cover 18 is installed to the end of auscultation pipe 17, first converter 13 electric connection has first display 16 of installing on detection case 4 outer wall.
The working principle is as follows: when a doctor uses the device to detect heart sounds for a patient, the heart sound cover 7 is placed in front of the chest of the patient, the auscultation cover 18 is placed at the ear of the doctor, the heart sound sensor 28 can transmit heart sound signals of the patient to the heart sound collector 10, the heart sound collector 10 collects the model of the heart sounds of the patient, some noise is filtered out through the filter 14, then the heart sound signals of the patient with the noise filtered out are amplified through the amplifier 21 and finally transmitted to the ear of the doctor through the stethoscope 15, the signals are transmitted to the first converter 13 at the same time, the first converter 13 converts the heart sound signals and displays the converted signals through the first display 16, and therefore the influence of the outside on the device can be reduced, and the doctor can also more accurately identify the heart sounds of the patient.
Example 2:
as shown in fig. 1 to 5, on the basis of the above embodiments, the present embodiment provides a structure capable of further reducing the influence of external noise on the apparatus, that is, in order to detect the condition of a patient more quickly, a noise collector 6 is further installed on the detection box 4, a noise sensor 29 is installed on the noise collector 6, the noise sensor 29 is connected to the power supply 3, the noise collector 6 is electrically connected to a noise reducer 20, the noise reducer 20 is sequentially connected to a filter 14 and an amplifier 21 through wires, the amplifier 21 is electrically connected to a second converter 12, the second converter 12 is electrically connected to an analyzer 5, and the analyzer 5 is electrically connected to a second display 11; the analyzer 5 is used to analyze common cases and to display the final case on the second display 11.
In this embodiment: the analyzer 5 can set common cases in the form of codes, and how to set the common cases can be realized by the prior art, if the patient suffers from the common cases, the analyzer 5 can analyze and display the final cases on the second display 11, so that the condition of the patient can be detected more quickly, and the accuracy of detection can be improved.
Example 3:
as shown in fig. 1 to 5, on the basis of the above embodiments, this embodiment provides a preferable structure that the heart sound tube 8 and the auscultation tube 17 are not exposed outside the detection box 4 completely when the device is not in use, that is, the left wire returning mechanism for recovering the heart sound tube 8 and the right wire returning mechanism for recovering the auscultation tube 17 are installed in the detection box 4. Wherein, the left wire returning mechanism is provided with a left rotating shaft 22 positioned in the detection box 4 through a left bearing 23, and the heart sound tube 8 is wound on the left rotating shaft 22; the right loop mechanism is provided with a right rotating shaft 27 positioned in the detection box 4 through a right bearing 26, and the heart sound tube 8 is wound on the right rotating shaft 27; one end of the left rotating shaft 22 is connected with a left handle 24, and one end of the right rotating shaft 27 is connected with a right handle 25.
In this embodiment: when the device is not used, the left rotating shaft 22 is driven to rotate by rotating the left handle 24, so that the heart sound tube 8 can be wound on the left rotating shaft 22, and the heart sound tube 8 does not need to be exposed for a long time and is arranged outside the detection box 4; the right rotating shaft 27 is rotated by rotating the right handle 25, so that the auscultation tube 17 can be wound on the right rotating shaft 27, and thus the auscultation tube 17 is not exposed for a long time outside the detection box 4.
Preferably, a left wire returning hole 41 is formed in the outer wall of the left side of the detection box 4, and a left placing plate 9 is mounted on the inner wall of the left side of the detection box 4; the outer wall on the right side of the detection box 4 is provided with a right wire returning hole 42, and the inner wall on the right side of the detection box 4 is provided with a right placing plate 19. When the device is not in use, the sound cover 7 can be retracted onto the left placement plate 9, while the stethoscope cover 18 can be retracted onto the right placement plate 19, so that the sound cover 7 and stethoscope cover 18 do not have to be placed outside the test box 4.
Preferably, the universal wheel 1 is installed on the bottom surface of the detection box 4 through the bracket 2, all electric parts of the device are integrated in the detection box 4, and the movement of the device can be facilitated through the universal wheel 1.
The above is an embodiment of the present invention. The embodiments and specific parameters in the embodiments are only for the purpose of clearly illustrating the verification process of the invention and are not intended to limit the scope of the invention, which is defined by the claims, and all equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be covered by the scope of the present invention.

Claims (7)

1. A multi-functional equipment of visual heart sound discernment, includes detection case (4), its characterized in that: install electric connection's heart sound collector (10) and wave filter (14) in detection case (4), install heart sound pipe (8) on heart sound collector (10), the end of heart sound pipe (8) is installed heart sound cover (7), heart sound sensor (28) are installed to heart sound pipe (8) department near heart sound cover (7), heart sound sensor (28) are connected with power (3), wave filter (14) electric connection has amplifier (21), amplifier (21) electric connection has stethoscope (15) and first converter (13) respectively, be connected with auscultation pipe (17) on stethoscope (15), auscultation cover (18) are installed to the end of auscultation pipe (17), first converter (13) electric connection has first display (16) of installing on detection case (4) outer wall.
2. A multifunctional device for visualizing heart sound recognition according to claim 1, characterized in that: the detection box (4) is further provided with a noise collector (6), the noise collector (6) is provided with a noise sensor (29), the noise sensor (29) is connected with the power supply (3), the noise collector (6) is electrically connected with a noise reducer (20), the noise reducer (20) is sequentially connected with a filter (14) and an amplifier (21) through wires, the amplifier (21) is electrically connected with a second converter (12), the second converter (12) is electrically connected with an analyzer (5), and the analyzer (5) is electrically connected with a second display (11);
the analyzer (5) is used for analyzing common cases and displaying the final case on a second display (11).
3. A multifunctional device for visualizing heart sound recognition according to claim 1, characterized in that: a left wire returning mechanism capable of recovering the heart sound tube (8) and a right wire returning mechanism capable of recovering the auscultation tube (17) are installed in the detection box (4).
4. A multifunctional device for visualizing heart sound recognition according to claim 3, wherein: the left wire returning mechanism is provided with a left rotating shaft (22) positioned in the detection box (4) through a left bearing (23), and the heart sound tube (8) is wound on the left rotating shaft (22); the right loop mechanism is provided with a right rotating shaft (27) positioned in the detection box (4) through a right bearing (26), and the heart sound tube (8) is wound on the right rotating shaft (27).
5. The multifunctional apparatus for visualizing heart sound recognition of claim 4, wherein: a left wire returning hole (41) is formed in the outer wall of the left side of the detection box (4), and a left placing plate (9) is mounted on the inner wall of the left side of the detection box (4); the outer wall on the right side of the detection box (4) is provided with a right wire returning hole (42), and the inner wall on the right side of the detection box (4) is provided with a right placing plate (19).
6. The multifunctional apparatus for visualizing heart sound recognition of claim 4, wherein: one end of the left rotating shaft (22) is connected with a left handle (24), and one end of the right rotating shaft (27) is connected with a right handle (25).
7. The multifunctional apparatus for visualizing heart sound recognition of any one of claims 1-6, wherein: the bottom surface of the detection box (4) is provided with universal wheels (1) through a bracket (2).
CN202010987878.4A 2020-09-18 2020-09-18 Multifunctional equipment for visual heart sound identification Pending CN112022200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010987878.4A CN112022200A (en) 2020-09-18 2020-09-18 Multifunctional equipment for visual heart sound identification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010987878.4A CN112022200A (en) 2020-09-18 2020-09-18 Multifunctional equipment for visual heart sound identification

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007127386A2 (en) * 2006-04-27 2007-11-08 Arvind Thiagarajan Systems and methods for analysis and display of heart sounds
CN201356541Y (en) * 2009-03-05 2009-12-09 乔燕燕 Wire take-up type electrocardiogram diagnostic apparatus
CN102228382A (en) * 2011-07-07 2011-11-02 深圳市资福技术有限公司 Wireless auscultation system
CN102283672A (en) * 2011-07-07 2011-12-21 深圳市资福技术有限公司 Wireless stethoscope
US20140107515A1 (en) * 2011-03-30 2014-04-17 Seoul National University R&Db Foundation Telemedical stethoscope
CN204618278U (en) * 2015-02-12 2015-09-09 郝庆娟 Teaching digital stethoscope
CN205198020U (en) * 2015-12-17 2016-05-04 丁华永 Cardiology department stethoscope
CN105943080A (en) * 2016-06-30 2016-09-21 上海拓萧智能科技有限公司 Intelligent stethophone
CN106308847A (en) * 2016-08-31 2017-01-11 周辉 Intelligent electronic stethoscope
CN106361368A (en) * 2016-09-30 2017-02-01 广西大学 Portable electronic stethoscope
CN205924012U (en) * 2016-06-30 2017-02-08 三峡大学 Electrocardiograph leads line and parts device
CN206333906U (en) * 2016-09-09 2017-07-18 赵伟涛 A kind of electronic auscultation device of tape recording function
CN207253336U (en) * 2017-03-23 2018-04-20 辛迈 Multichannel visual auscultation system
CN111657990A (en) * 2020-05-08 2020-09-15 上海市第七人民医院(上海中医药大学附属第七人民医院) Auscultation visualization system

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007127386A2 (en) * 2006-04-27 2007-11-08 Arvind Thiagarajan Systems and methods for analysis and display of heart sounds
CN201356541Y (en) * 2009-03-05 2009-12-09 乔燕燕 Wire take-up type electrocardiogram diagnostic apparatus
US20140107515A1 (en) * 2011-03-30 2014-04-17 Seoul National University R&Db Foundation Telemedical stethoscope
CN102228382A (en) * 2011-07-07 2011-11-02 深圳市资福技术有限公司 Wireless auscultation system
CN102283672A (en) * 2011-07-07 2011-12-21 深圳市资福技术有限公司 Wireless stethoscope
CN204618278U (en) * 2015-02-12 2015-09-09 郝庆娟 Teaching digital stethoscope
CN205198020U (en) * 2015-12-17 2016-05-04 丁华永 Cardiology department stethoscope
CN105943080A (en) * 2016-06-30 2016-09-21 上海拓萧智能科技有限公司 Intelligent stethophone
CN205924012U (en) * 2016-06-30 2017-02-08 三峡大学 Electrocardiograph leads line and parts device
CN106308847A (en) * 2016-08-31 2017-01-11 周辉 Intelligent electronic stethoscope
CN206333906U (en) * 2016-09-09 2017-07-18 赵伟涛 A kind of electronic auscultation device of tape recording function
CN106361368A (en) * 2016-09-30 2017-02-01 广西大学 Portable electronic stethoscope
CN207253336U (en) * 2017-03-23 2018-04-20 辛迈 Multichannel visual auscultation system
CN111657990A (en) * 2020-05-08 2020-09-15 上海市第七人民医院(上海中医药大学附属第七人民医院) Auscultation visualization system

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Application publication date: 20201204