CN104873218A - Four-passage heart sound synchronous positioning and collecting device - Google Patents
Four-passage heart sound synchronous positioning and collecting device Download PDFInfo
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Abstract
本发明是一种用于定位提取人体心音信号的多通道采集装置。根据人体胸腔体表的主动脉瓣听诊区、肺动脉瓣听诊区、三尖瓣听诊区和二尖瓣听诊区，用金属或塑料等轻质弹性材料做成一个心脏形状的底座，在这个心脏状的底座正面对应4个听诊区安装有4个心音传感器，这个心脏状的底座背面标有2条定位线，通过的定位线调整心脏状底座以保证底座上的4个心音传感器能够准确放置在4个听诊区上,并且适当加压力使心音传感器与人体心脏部位处紧密接触，以获取最佳的心音。本装置可以方便对心音信号进行多路、定位采集，结构合理，使用方便，为计算机分析病态心音对应的心脏病灶点，揭示心音数据与心脏活动的关系提供必需的硬件条件。
The invention is a multi-channel acquisition device for locating and extracting human heart sound signals. According to the aortic valve auscultation area, pulmonary valve auscultation area, tricuspid valve auscultation area and mitral valve auscultation area on the body surface of the human chest, a heart-shaped base is made of light elastic materials such as metal or plastic. There are 4 heart sound sensors installed on the front of the base corresponding to the 4 auscultation areas. The back of the heart-shaped base is marked with 2 positioning lines. Adjust the heart-shaped base through the positioning lines to ensure that the 4 heart sound sensors on the base can be accurately placed on the 4 On the auscultation area, and apply appropriate pressure to make the heart sound sensor closely contact with the heart of the human body to obtain the best heart sound. The device can conveniently carry out multi-channel and positioning acquisition of heart sound signals, has a reasonable structure and is easy to use, and provides necessary hardware conditions for computers to analyze heart disease foci corresponding to pathological heart sounds and reveal the relationship between heart sound data and heart activity.
Description
技术领域technical field
本发明是一种用于定位提取人体心音信号的多通道采集装置。The invention is a multi-channel acquisition device for locating and extracting human heart sound signals.
背景技术Background technique
目前，心脏血管病是全世界发病率和死亡率最高的疾病，大约占总体的三分之一左右，在经济发达国家和地区的比例较高，其死亡率在40％左右。心音信号是人体中一种重要的生理信号，心音听诊是心脏病无创性检测的重要方法之一，在及时反应心脏杂音和病变方面具有心电图、超声心电图、核磁共振、放射性核素及心血管造影等不可取代的优势。电子听诊器通过心音传感器来采集心音，然后将信号输送到处理器进行分析处理。目前，利用电子听诊器检测心音的普遍方法是用手握着心音传感器进行信号采集，并且是每一次只能在一个听诊位置采集一路心音。At present, cardiovascular disease is the disease with the highest morbidity and mortality rate in the world, accounting for about one-third of the total, and the proportion is relatively high in economically developed countries and regions, where the mortality rate is about 40%. Heart sound signal is an important physiological signal in the human body. Heart sound auscultation is one of the important methods for non-invasive detection of heart disease. It has the advantages of electrocardiogram, echocardiogram, nuclear magnetic resonance, radionuclide and cardiovascular angiography in timely response to heart murmurs and lesions. and other irreplaceable advantages. The electronic stethoscope collects the heart sound through the heart sound sensor, and then sends the signal to the processor for analysis and processing. At present, the general method of utilizing an electronic stethoscope to detect heart sounds is to use a hand-held heart sound sensor for signal collection, and only one path of heart sound can be collected at one auscultation position each time.
人体胸腔体表有4个听诊区:主动脉瓣听诊区、肺动脉瓣听诊区、三尖瓣听诊区和二尖瓣听诊区。为了对心音进行无损、定位的快速检测，实现智能听诊，需要设计新型的多通道心音同步定位采集装置。本发明主要涉及一种4通道心音同步定位采集装置，该装置能对应人体胸腔体表的4个听诊区，同步实时监测4路心音信号，通过计算机智能分析可得到病态心音对应的心脏病灶点，揭示心音数据与心脏活动的关系。对指导心脏疾病的早期诊断、治疗，为日益成熟的网络平台提供一种对人体心音信号进行智能听诊的新装置。There are 4 auscultation areas on the surface of the human thorax: the aortic valve auscultation area, the pulmonary valve auscultation area, the tricuspid valve auscultation area and the mitral valve auscultation area. In order to detect heart sounds quickly and non-destructively, and realize intelligent auscultation, it is necessary to design a new multi-channel heart sound synchronous positioning acquisition device. The present invention mainly relates to a 4-channel heart sound synchronous positioning acquisition device, which can correspond to 4 auscultation areas on the surface of the human chest cavity, monitor 4 heart sound signals synchronously and in real time, and obtain heart disease foci corresponding to pathological heart sounds through computer intelligent analysis. Reveal the relationship between heart sound data and heart activity. To guide the early diagnosis and treatment of heart disease, provide a new device for intelligent auscultation of human heart sound signals for the increasingly mature network platform.
发明内容Contents of the invention
针对现有技术存在的问题，本发明目的是设计一种用于定位提取人体心音信号的多通道采集装置。本发明的技术方案是：一种4通道心音同步定位采集装置，根据人体胸腔体表的4个听诊区“主动脉瓣听诊区、肺动脉瓣听诊区、三尖瓣听诊区和二尖瓣听诊区”，用金属或塑料等轻质弹性材料做成一个心脏形状的底座，其形状类似人体心脏，但比实际心脏大一圈；在这个心脏形状的底座正面、对应4个听诊区安装有4个心音传感器；这个心脏形状的底座背面标有2条定位线，一条是对应左边脖子侧边缘的定位线，一条是对应胸骨体下端近剑突稍中心或心窝处的定位线，通过的定位线调整心脏状底座以保证底座上的4个心音传感器能够准确放置在4个听诊区上,并且适当加压力使心音传感器与人体心脏部位处紧密接触，以获取最佳的心音；心脏状底座边缘加有一圈隔音材料，以隔离背景噪声。Aiming at the problems existing in the prior art, the object of the present invention is to design a multi-channel acquisition device for locating and extracting human heart sound signals. The technical scheme of the present invention is: a 4-channel heart sound synchronous positioning acquisition device, according to the 4 auscultation areas on the surface of the human chest cavity "aortic valve auscultation area, pulmonary valve auscultation area, tricuspid valve auscultation area and mitral valve auscultation area ", a heart-shaped base is made of light elastic materials such as metal or plastic, which is similar in shape to a human heart, but a circle larger than the actual heart; 4 auscultation areas are installed on the front of the heart-shaped base, corresponding to 4 auscultation areas. Heart sound sensor: There are 2 positioning lines marked on the back of the heart-shaped base, one is the positioning line corresponding to the side edge of the left neck, and the other is the positioning line corresponding to the lower end of the sternum near the center of the xiphoid process or the heart fossa, and the positioning line adjusted by the The heart-shaped base ensures that the 4 heart sound sensors on the base can be accurately placed on the 4 auscultation areas, and the appropriate pressure is applied so that the heart sound sensors are in close contact with the heart of the human body to obtain the best heart sound; Ring soundproofing material to isolate background noise.
4通道心音同步定位采集装置获得的心音信号通过4路放大器滤波、放大后输出到计算机,通过计算机的分析软件获得心音对应的心脏声活动的过程，特别是病态心音对应的心脏病灶点，即确定心脏杂音是主动脉瓣、肺动脉瓣、三尖瓣和二尖瓣中的谁所产生的。The heart sound signal obtained by the 4-channel heart sound synchronous positioning acquisition device is filtered and amplified by the 4-way amplifier, and then output to the computer, and the process of obtaining the heart sound activity corresponding to the heart sound through the computer analysis software, especially the heart disease focal point corresponding to the sick heart sound, is determined. Heart murmurs are caused by which of the aortic, pulmonary, tricuspid, and mitral valves.
本发明的有益效果是，可以方便对心音信号进行多路、定位采集和分析，该装置结构合理，使用简单,为智能听诊提供一种新的监测装置。The beneficial effect of the invention is that it can conveniently carry out multi-channel, positioning acquisition and analysis on the heart sound signal, the device has a reasonable structure and is easy to use, and provides a new monitoring device for intelligent auscultation.
附图说明Description of drawings
图1是心脏体表的4个听诊区。Figure 1 shows the four auscultation areas on the heart surface.
其中，9为肺动脉瓣听诊区，10为二尖瓣听诊区，11为主动脉瓣听诊区，12为三尖瓣听诊区，6为对应左边脖子侧边缘的定位线，7为对应胸骨体下端近剑突稍中心或心窝处的定位线。Among them, 9 is the auscultation area of the pulmonary valve, 10 is the auscultation area of the mitral valve, 11 is the auscultation area of the aortic valve, 12 is the auscultation area of the tricuspid valve, 6 is the positioning line corresponding to the side edge of the left neck, and 7 is corresponding to the lower end of the sternal body The positioning line near the center of the xiphoid process or the heart fossa.
图2是本发明实施例的4路心音同步采集装置。Fig. 2 is a 4-channel heart sound synchronous acquisition device according to an embodiment of the present invention.
其中，1为对应肺动脉瓣听诊区安装的第一心音传感器，2为对应二尖瓣听诊区安装的第二心音传感器，3为对应主动脉瓣听诊区安装的第三心音传感器，4为对应三尖瓣听诊区安装的第四心音传感器，5为底座，6为对应左边脖子侧边缘的定位线，7为对应胸骨体下端近剑突稍中心或心窝处的定位线，8为隔音材料。Among them, 1 is the first heart sound sensor installed corresponding to the pulmonary valve auscultation area, 2 is the second heart sound sensor installed corresponding to the mitral valve auscultation area, 3 is the third heart sound sensor installed corresponding to the aortic valve auscultation area, and 4 is the corresponding The fourth heart sound sensor installed in the tricuspid valve auscultation area, 5 is the base, 6 is the positioning line corresponding to the side edge of the left neck, 7 is the positioning line corresponding to the lower end of the sternal body near the center of the xiphoid process or the heart fossa, and 8 is the sound insulation material.
具体实施方式Detailed ways
以下结合附图和具体实施例对本发明作出具体阐述。。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. .
如附图2所示，底座5由金属或塑料等轻质弹性材料做成，其形状类似人体心脏，但比实际心脏大一圈；在这个底座5正面安装有4个心音传感器，它们分别是对应肺动脉瓣听诊区9安装的第一心音传感器1，对应二尖瓣听诊区10安装的第二心音传感器2，对应主动脉瓣听诊区11安装的第三心音传感器3，对应三尖瓣听诊区12安装的第四心音传感器4，这个底座5的背面标有二条定位线，一条是对应左边脖子侧边缘的定位线6，一条是对应胸骨体下端近剑突稍中心或心窝处的定位线7，按照定位线调整底座5以保证底座上的4个心音传感器能够准确放置在4个听诊区上,并且适当加压力使心音传感器与人体心脏部位处紧密接触，以获取最佳的心音，底座5正面边缘加有一圈隔音材料8，以隔离背景噪声。As shown in Figure 2, the base 5 is made of light elastic materials such as metal or plastic, and its shape is similar to the human heart, but it is a circle larger than the actual heart; four heart sound sensors are installed on the front of the base 5, which are respectively The first heart sound sensor 1 installed corresponding to the pulmonary valve auscultation area 9, the second heart sound sensor 2 installed corresponding to the mitral valve auscultation area 10, the third heart sound sensor 3 installed corresponding to the aortic valve auscultation area 11, and the tricuspid valve auscultation The fourth heart sound sensor 4 installed in area 12, the back of the base 5 is marked with two positioning lines, one is the positioning line 6 corresponding to the side edge of the left neck, and the other is the positioning line corresponding to the lower end of the sternum near the center of the xiphoid process or the pit of the heart 7. Adjust the base 5 according to the positioning line to ensure that the 4 heart sound sensors on the base can be accurately placed on the 4 auscultation areas, and apply appropriate pressure to make the heart sound sensors closely contact with the heart of the human body to obtain the best heart sound. 5 front edges are added with a circle of sound insulation material 8, to isolate background noise.
本装置可以方便对心音信号进行多路、定位采集，结构合理，使用方便，为智能听诊提供一种新的监测装置，为计算机分析病态心音对应的心脏病灶点，揭示心音数据与心脏活动的关系提供必需的硬件条件。This device can conveniently carry out multi-channel and positioning acquisition of heart sound signals. It has a reasonable structure and is easy to use. It provides a new monitoring device for intelligent auscultation, analyzes heart disease foci corresponding to pathological heart sounds for computers, and reveals the relationship between heart sound data and heart activity. Provide the necessary hardware conditions.
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明精神和原则之内的，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.
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| CN111657992A (en) * | 2020-06-15 | 2020-09-15 | 昆明市儿童医院 | Intelligent heart sound picking, monitoring and positioning system equipment |
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