CN100459939C - Souffle eliminated auscultation and method - Google Patents
Souffle eliminated auscultation and method Download PDFInfo
- Publication number
- CN100459939C CN100459939C CNB2006100002214A CN200610000221A CN100459939C CN 100459939 C CN100459939 C CN 100459939C CN B2006100002214 A CNB2006100002214 A CN B2006100002214A CN 200610000221 A CN200610000221 A CN 200610000221A CN 100459939 C CN100459939 C CN 100459939C
- Authority
- CN
- China
- Prior art keywords
- auscultation
- pick
- order
- noise
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention relates to a stethoscope which can eliminate foreign sound and relative method, wherein said stethoscope comprises: a stethoscope head with microphone to receive heat sound and one sensor for detecting the stethoscope position; one signal processor connected to the stethoscope head to process the heat sound, while it has one record circuit amplifier to amplify the heat sound, one low-pass filter for filtering the foreign sound, one character heat sound strengthener for amplifying the character frequency section, and one microprocessor connecting and controlling the amplifier, filter, strengthener, sensor and microphone; and one earphone connected to the signal processor for sending the heat sound. With said invention, doctor can diagnose with least time.
Description
Technical field
The present invention relates to a kind of auscultation apparatus and method thereof of eliminating noise, be particularly related to a kind of use and include the auscultation head of pick off and the auscultation apparatus and the method for signal processing circuit, in the time of can effectively eliminating auscultation because of friction, move or noise that bump is produced, to promote the auscultation quality.
Background technology
As everyone knows, stethoscope is diagnosed the symptom of cardiopulmonary or gastroenteropathy in order to listen to sufferer thoracic cavity or Intraabdominal sound, is a kind of quick, safe and easy diagnostic tool, is the important carry-on companion's device of doctor.The doctor is by the stethoscope sufferer of screening cardiopulmonary or gastroenteropathy fast, right its accuracy is relevant with experience with doctor's the sensitivity that has sharp ears, how improving the stethoscope function, the doctor is provided a good diagnostic tool, then is the target of industrial circle ongoing effort.
The tradition stethoscope was from nearly so far in 1 hundred 90 of invention in 1816 Christian eras, only electronic stethoscope was just developed about nineteen twenty-two in Christian era, and its main application achievements is a phonocardiogram, in vacuum tube or transistor epoch, because the volume of electronic system is excessive, more impracticable.Fast development in twenty end of the century along with integrated circuit makes real practical commercialization electronic stethoscope product just begin to come out.Visible in the market electronic stethoscope, wherein analog occupying the majority, so these electronic stethoscopes some inconvenience all more or less in the use.
The electronic stethoscope that prior art is taken off, as United States Patent (USP) notification number 2005/0157888 A1 " Electronic Stethoscope with Piezo-Electrical Film ContactMicrophone ", it is to use amplifier earlier with after the amplification of heart arteries and veins sound, again with wave filter filtering noise, but though should announce the technology filtering noise of patent, but it still needs by realize eliminating the function of noise than complicated signal processing, and non-heart arteries and veins sound interference of noise arround still can being subjected to when the doctor carries out auscultation is for example if there is unexpected strike note will cause doctor's ear uncomfortable greatly.
Because the technology of existing electronic stethoscope also can't be eliminated unnecessary noise fully, the present invention proposes a kind of auscultation apparatus of eliminating noise, this auscultation apparatus mainly uses auscultation head and the signal processing circuit that includes pick off, by sensor and judge whether the auscultation head arrives the auscultation position, during with effective elimination auscultation because of friction, move or noise that bump is produced, to promote the auscultation quality, and provide the doctor under the interferential situation of minimum noise, use minimum time and energy that patient's symptom is made the most correct diagnosis.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of auscultation apparatus of eliminating noise, this auscultation apparatus comprises auscultation head and the signal processing circuit that includes pick off, by sensor and judge whether the auscultation head arrives the auscultation position, during with effective elimination auscultation because of friction, move or noise that bump is produced.
Secondary objective of the present invention is to propose a kind of auscultation method of eliminating noise, this method is with the variable quantity or the angle of inclination size of the sensor unit interval endoauscultation brilliance degree in the auscultation head, confirm in active poll (Polling) mode whether this angular velocity or angle of inclination are not more than a marginal value again, if promptly judge this auscultation no show auscultation position greater than this marginal value, auscultation apparatus stops radio reception or enters battery saving mode automatically; Otherwise auscultation apparatus begins radio reception carrying out auscultation action, in order to do can effectively eliminate auscultation the time because of friction, move or knock the noise that is produced.
For achieving the above object, the present invention proposes a kind of auscultation apparatus and method of eliminating noise, when being used for effectively eliminating auscultation because of the friction, the noise mobile or bump is produced, to promote the auscultation quality, this auscultation apparatus mainly uses auscultation head and the signal processing circuit that includes pick off, by being arranged at the sensor in the auscultation head and judging whether the auscultation head arrives the auscultation position, during with effective elimination auscultation because of friction, the noise mobile or bump is produced, to promote the auscultation quality, and provide the doctor under the interferential situation of minimum noise, use minimum time and energy that patient's symptom is made the most correct diagnosis.
Adopt the auscultation apparatus and the method for elimination noise provided by the invention, in the time of effectively eliminating auscultation because of friction, move or noise that bump is produced, to promote the auscultation quality, and provide the doctor under the interferential situation of minimum noise, use minimum time and energy that patient's symptom is made the most correct diagnosis.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the auscultation apparatus sketch map of elimination noise of the present invention;
Fig. 2 eliminates the pick off first embodiment sketch map in the auscultation apparatus of noise for the present invention;
Fig. 3 eliminates the pick off second embodiment sketch map in the auscultation apparatus of noise for the present invention;
Fig. 4 is the auscultation method flow chart of elimination noise of the present invention.
Wherein, Reference numeral:
110～auscultation, 112～mike, 114～pick off
115～optical transmitting set, 116～optical receiver, 117～grating, 118～roller
120～signal processing circuit, 122～microprocessor feature hear sounds frequency range intensifier
124～recording circuit adapter amplifier, 125～keyboard and liquid crystal display
126～low pass filter, 128～feature hear sounds frequency range intensifier
130～earphone
The specific embodiment
For feature of the present invention, purpose and function being had further cognitive and understanding, conjunction with figs. describes in detail as the back:
Figure 1 shows that the auscultation apparatus sketch map of elimination noise of the present invention, this auscultation apparatus 100 comprises auscultation 110, signal processing circuit 120 and earphone 130, wherein this auscultation 110 comprises mike 112 and pick off 114, this signal processing circuit 120 comprises microprocessor 122, recording circuit adapter amplifier 124, low pass filter 126 and feature hear sounds frequency range intensifier 128, wherein microprocessor 122 connects and control recording circuit adapter amplifier 124 on the one hand, the work of low pass filter 126 and feature hear sounds frequency range intensifier 128, pick off 114 with auscultation 110 is connected on the other hand, in order to the sensing result of poll pick off 114 initiatively at any time, allow mike 112 carry out radio reception or stop radio reception judging whether; Microprocessor 122 also can connect keyboard and liquid crystal display 125 is imported and exported.If the sensing result of pick off 114 meets the condition of carrying out radio reception, think promptly that this auscultation 110 has moved to and desire to carry out the auscultation position, the received heart arteries and veins sound of mike 112 then, one the tunnel is amplified through recording circuit adapter amplifier 124, by low pass filter 126 filtering in addition, amplify by the hear sounds of feature hear sounds frequency range intensifier 128 again, send into earphone 130 at last for doctor's auscultation with characteristic spectra.
Figure 2 shows that the present invention eliminates the pick off first embodiment sketch map in the auscultation apparatus of noise, wherein this pick off 114 is a kind of angular-rate sensor, it directly is arranged on the printed circuit board (PCB) 115, angle variable quantity in order to this pick off plane, 114 place and auscultation position in the detection unit interval, this pick off 114 also is set with a marginal value, if the sensing result is greater than this marginal value, then infer this auscultation 110 still in moving, still no show auscultation position is so stop radio reception to eliminate unnecessary noise; If the sensing result is not more than this marginal value, then infer this auscultation 110 and tended towards stability, should reach the auscultation position, so carry out radio reception so that doctor's auscultation.
Pick off 114 among Fig. 2 also can be an angular transducer, in order to detect the angle of inclination of this a pick off plane, 114 place and a reference position, if the sensing result is greater than a marginal value, then infer this auscultation 110 for placing the first-class non-auscultation state of table, so stop radio reception with saving electric power; If the sensing result is not more than this marginal value, then infers this auscultation 110 and be normal auscultation state, so carry out radio reception so that doctor's auscultation.And the pick off among Fig. 2 114 also can be a pressure transducer, in order to detect the pressure size between this pick off plane, 114 place and auscultation position, if the sensing result is less than a marginal value, then infers this auscultation 110 and do not reach the auscultation position, so stop radio reception with saving electric power; If the sensing result is not less than this marginal value, then infers this auscultation 110 and reached the auscultation position, so carry out radio reception so that doctor's auscultation.
Figure 3 shows that the present invention eliminates the pick off second embodiment sketch map in the auscultation apparatus of noise, wherein this pick off 114 is a kind of optical pickocff, and this optical pickocff comprises optical transmitting set 115, optical receiver 116, grating 117 and roller 118.Optical transmitting set 115 is in order to emission light, and optical receiver 116 is in order to receive light, and optical transmitting set 115 is oppositely arranged with optical receiver 116 and this two inter-module is provided with the grating 117 and roller 118 that links together, and grating 117 is in order to allow light pass through or not pass through.The principle that this optical pickocff used is for when auscultation 110 is moved, roller 118 drives grating 117 and rotates, make light produce the continuous variation of not passing through by reaching, optical receiver 116 thereby receive continuously changing of optical signal, so optical signal that microprocessor 122 just can be received according to optical receiver 116, in order to judging whether auscultation 110 moves, and then decision will stop radio reception or carry out radio reception.
In addition, the present invention also proposes a kind of auscultation method of eliminating noise, Figure 4 shows that the auscultation method flow chart of elimination noise of the present invention.At first, the auscultation method of elimination noise of the present invention is that execution in step 400 activates auscultation apparatus, then just whether execution in step 410 arrives the auscultation position by sensor auscultation head, through with detected value and marginal value relatively after, do not reach the auscultation position if judge the auscultation head, then enter step 415 auscultation apparatus and stop radio reception, the microprocessor this moment up-to-date sensing result of pick off in the poll step 410 initiatively at any time still, reached the auscultation position if judge the auscultation head, then enter step 420 auscultation apparatus and carry out radio reception, can enter step 430 then smoothly and carry out the auscultation action.
Comprehensively above-mentioned, the present invention proposes a kind of auscultation apparatus and method of eliminating noise, this auscultation apparatus and method are mainly used auscultation head and the signal processing circuit that includes pick off, by sensor and judge whether the auscultation head arrives the auscultation position, during with effective elimination auscultation because of friction, move or noise that bump is produced, with lifting auscultation quality, and provide the doctor under the interferential situation of minimum noise, use minimum time and energy that patient's symptom is made the most correct diagnosis.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (11)
1. auscultation apparatus of eliminating noise, when being used for effectively eliminating auscultation because of friction, move or noise that bump is produced, to promote the auscultation quality, it is characterized in that this auscultation apparatus comprises:
One auscultation head comprises a mike, in order to receive heart arteries and veins sound, reaches a pick off, whether arrives the auscultation position in order to detect this auscultation head;
One signal processing circuit, be connected to handle this heart arteries and veins sound with this auscultation head, comprise a recording circuit adapter amplifier, in order to amplify this heart arteries and veins sound, one low pass filter, connect described recording circuit adapter amplifier, noise in order to this heart arteries and veins sound of filtering, one feature hear sounds frequency range intensifier, connect described low pass filter, in order to amplifying the characteristic spectra of this heart arteries and veins sound, and a microprocessor, in order to connect and to control this recording circuit adapter amplifier, this low pass filter, this feature hear sounds frequency range intensifier and the pick off of this auscultation head, the work of mike; And
One earphone is connected with this signal processing circuit, supplies auscultation with the heart arteries and veins sound behind the transmission signal processing;
Wherein, this microprocessor is the sensing result of this pick off of active poll at any time, receives heart arteries and veins sound or stops to receive heart arteries and veins sound to control this mike.
2. the auscultation apparatus of elimination noise as claimed in claim 1, it is characterized in that, this pick off is an angular-rate sensor, angle variable quantity in order to this plane, pick off place and auscultation position in the detection unit interval, and relatively this detected value and a marginal value, whether arrive the auscultation position to judge this auscultation head.
3. the auscultation apparatus of elimination noise as claimed in claim 1, it is characterized in that this pick off is an angular transducer, in order to detect the angle of inclination of this plane, pick off place and a reference position, and relatively this detected value and a marginal value, whether arrive the auscultation position to judge this auscultation head.
4. the auscultation apparatus of elimination noise as claimed in claim 1, it is characterized in that this pick off is a pressure transducer, in order to detect the pressure size between this plane, pick off place and auscultation position, and relatively this detected value and a marginal value, whether arrive the auscultation position to judge this auscultation head.
5. the auscultation apparatus of elimination noise as claimed in claim 1, it is characterized in that, this pick off is an optical pickocff, this optical pickocff comprises an optical transmitting set, one optical receiver, one grating and a roller, wherein this optical transmitting set is in order to emission light, and this optical receiver is in order to receive light, this optical transmitting set and this optical receiver is oppositely arranged and this grating and this roller link together and be arranged between this optical transmitting set and this optical receiver, this grating is in order to allow light pass through or not pass through, this optical pickocff is to detect light by reaching the continuous variation of not passing through, and whether arrives the auscultation position to judge this auscultation head.
6. as the auscultation apparatus of claim 1,2,3,4 or 5 described elimination noises, it is characterized in that this auscultation apparatus can be used for cardiophony, lungs sound auscultation or the auscultation of intestinal sound.
7. a method of eliminating the auscultation noise is characterized in that, this method comprises the following steps:
Activate auscultation apparatus;
Whether arrive the auscultation position by the sensor auscultation head that is arranged in the auscultation head, do not reach the auscultation position if judge the auscultation head, then auscultation apparatus stops to receive heart arteries and veins sound, and the microprocessor up-to-date sensing result of poll pick off initiatively at any time still; Reached the auscultation position if judge the auscultation head, then auscultation apparatus receives heart arteries and veins sound.
8. as the method for 7 described elimination auscultation noises of claim the, it is characterized in that, this pick off is an angular-rate sensor, angle variable quantity in order to this plane, pick off place and auscultation position in the detection unit interval, and relatively this detected value and a marginal value, whether arrive the auscultation position to judge this auscultation head.
9. the method for elimination auscultation noise as claimed in claim 7, it is characterized in that this pick off is an angular transducer, in order to detect the angle of inclination of this plane, pick off place and a reference position, and relatively this detected value and a marginal value, whether arrive the auscultation position to judge this auscultation head.
10. the method for elimination auscultation noise as claimed in claim 7, it is characterized in that this pick off is a pressure transducer, in order to detect the pressure size between this plane, pick off place and auscultation position, and relatively this detected value and a marginal value, whether arrive the auscultation position to judge this auscultation head.
11. the method for elimination auscultation noise as claimed in claim 7 is characterized in that, this pick off is an optical pickocff, in order to detect light by reaching not by the continuous variation of this pick off, whether arrives the auscultation position to judge this auscultation head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100002214A CN100459939C (en) | 2006-01-06 | 2006-01-06 | Souffle eliminated auscultation and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100002214A CN100459939C (en) | 2006-01-06 | 2006-01-06 | Souffle eliminated auscultation and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1994231A CN1994231A (en) | 2007-07-11 |
| CN100459939C true CN100459939C (en) | 2009-02-11 |
Family
ID=38249499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100002214A Active CN100459939C (en) | 2006-01-06 | 2006-01-06 | Souffle eliminated auscultation and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100459939C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536917B (en) * | 2008-03-21 | 2011-01-05 | 财团法人工业技术研究院 | Auscultation method and auscultation device for audio signals processing |
| CN103932733B (en) * | 2014-04-11 | 2016-10-12 | 中国人民解放军第三军医大学第三附属医院 | A kind of digital measuring analytical equipment of interstitial pulmonary fibrosis based on lungs sound |
| CN104783834B (en) * | 2015-04-30 | 2017-12-05 | 苏州贝莱弗医疗科技有限公司 | A kind of electronic auscultation device |
| CN106328150B (en) * | 2016-08-18 | 2019-08-02 | 北京易迈医疗科技有限公司 | Borborygmus sound detection method, apparatus and system under noisy environment |
| WO2018098716A1 (en) * | 2016-11-30 | 2018-06-07 | 深圳前海达闼云端智能科技有限公司 | Stethoscope data processing method and apparatus, electronic device, and cloud server |
| CN106792363A (en) * | 2016-12-30 | 2017-05-31 | 马鞍山佳鼎通信科技有限公司 | A kind of headset input impurity electric current filtering control circuit |
| CN107174278A (en) * | 2017-06-20 | 2017-09-19 | 重庆睿凡科技发展有限公司 | A kind of mental and physical efforts monitoring system and method for being used to eliminate interference |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088413U (en) * | 1991-03-10 | 1991-11-13 | 温州医学院 | Electronic stethoscope for selective auscultation cardiac cycle |
| CN2168285Y (en) * | 1993-10-07 | 1994-06-08 | 英业达股份有限公司 | Computer keyboard |
| CN2269605Y (en) * | 1996-08-15 | 1997-12-03 | 昆盈企业股份有限公司 | Input device for second axle of mouse |
| US20030002685A1 (en) * | 2001-06-27 | 2003-01-02 | Werblud Marc S. | Electronic stethoscope |
| US6878117B1 (en) * | 1999-09-29 | 2005-04-12 | Zargis Medical Corp. | Handheld sensor for acoustic data acquisition |
-
2006
- 2006-01-06 CN CNB2006100002214A patent/CN100459939C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088413U (en) * | 1991-03-10 | 1991-11-13 | 温州医学院 | Electronic stethoscope for selective auscultation cardiac cycle |
| CN2168285Y (en) * | 1993-10-07 | 1994-06-08 | 英业达股份有限公司 | Computer keyboard |
| CN2269605Y (en) * | 1996-08-15 | 1997-12-03 | 昆盈企业股份有限公司 | Input device for second axle of mouse |
| US6878117B1 (en) * | 1999-09-29 | 2005-04-12 | Zargis Medical Corp. | Handheld sensor for acoustic data acquisition |
| US20030002685A1 (en) * | 2001-06-27 | 2003-01-02 | Werblud Marc S. | Electronic stethoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1994231A (en) | 2007-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100459939C (en) | Souffle eliminated auscultation and method | |
| US20130150754A1 (en) | Electronic stethoscopes with user selectable digital filters | |
| CN104274210B (en) | Fetal heart monitor and fetal rhythm monitoring method | |
| US8121303B2 (en) | Stethoscope capable of eliminating unwanted sounds and method thereof | |
| US20150088021A1 (en) | Vital signs sensing apparatus and associated method | |
| Patil et al. | Design of wireless electronic stethoscope based on zigbee | |
| CN102228381A (en) | Wireless stethoscope head | |
| CN102283672B (en) | Wireless stethoscope | |
| US20040260193A1 (en) | Cardiac impulse detector | |
| CN204318788U (en) | A kind of multifunctional intellectual stethoscope | |
| CN202211702U (en) | Wireless stethoscope | |
| CN106361368A (en) | Portable electronic stethoscope | |
| CN102648860A (en) | Vibratory anti-noise electronic stethoscope | |
| CN209499762U (en) | A kind of stethophone | |
| CN214387499U (en) | Electronic stethoscope based on Bluetooth technology | |
| CN211633341U (en) | Intelligent stethoscope | |
| CN209107399U (en) | Electronic auscultation device, electronic auscultation apparatus and system | |
| US20140012095A1 (en) | Storage control apparatus, storage control system, and storage medium | |
| GB2147475A (en) | Differential stethoscope | |
| CN100998510A (en) | Electronic stethophone | |
| KR20200002297U (en) | Smart health care device | |
| KR20010097170A (en) | An Electronic Stethoscope | |
| CN219109508U (en) | Cardiac state data detection device and cardiac state monitoring system | |
| CN202211703U (en) | Wireless auscultation head | |
| CN215739060U (en) | Bluetooth wireless stethoscope with recording function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |