Swallowing stethoscope
By designing a swallowing stethoscope that uses an air chamber and a resonant membrane to fit the neck, swallowing and breathing signals are collected and processed, solving the problem of unclear swallowing auscultation and achieving efficient, accurate, and convenient diagnosis of swallowing function assessment.
Patent Information
- Application Number
- CN202422854179.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Existing conventional stethoscopes cannot effectively fit the neck structure in swallowing function assessment, resulting in unclear auscultation and inaccurate assessment of swallowing function.
A swallowing stethoscope was designed, including a stethoscope head and a terminal device. The stethoscope head fits against the neck through an air cavity and a resonant diaphragm to collect electromyographic and sound signals, which are then converted into electrical signals by a processor. The terminal device displays the results and supports wireless or wired communication.
It improves the accuracy of swallowing auscultation, can capture and process sound waves and electromyographic signals of swallowing and breathing, increases the accuracy of aspiration screening, and provides convenient diagnostic basis and efficient diagnostic result analysis.
Smart Images
Figure CN223627515U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field especially, and it is a kind of swallowing stethoscope. BACKGROUND
[0002] Swallowing function assessment includes subjective assessment and objective assessment, neck auscultation is a method of swallowing objective assessment, belongs to non-invasive technology, is used for screening the patient with swallowing dysfunction.There is no stethoscope for swallowing function assessment at present, and conventional stethoscope is used for lung auscultation, while the position of swallowing auscultation is in the midline of cricoid cartilage, and the structure of conventional stethoscope does not match the neck, so that the swallowing auscultation is not clear if using conventional stethoscope. CONTENT OF UTILITY MODEL
[0003] The utility model aims at providing a kind of stethoscope that can match the structure of neck, more clearly and accurately auscultate, and is specially used for swallowing auscultation, to provide at least a beneficial choice or create conditions for solving one or more technical problems in the prior art.
[0004] To achieve the above object, the utility model adopts the following technical scheme.
[0005] A kind of swallowing stethoscope, it includes listening head and terminal equipment, the listening head is attached to the lower jaw and neck of human body to collect swallowing signal, the terminal equipment is connected with the listening head to display swallowing signal;The listening head includes air-filled cavity, air-filled pump connected with the air-filled cavity and air-filled for it, one side of the air-filled cavity is provided with resonance membrane attached to the lower jaw and neck of human body, the resonance membrane is flexible electrode film capable of collecting electromyographic signal, sound sensor is arranged in the air-filled cavity, processor for processing sound signal and electromyographic signal is arranged on the listening head and connected with the sound sensor and the resonance membrane;The terminal equipment is connected with the processor.
[0006] More preferably, the flexible electrode film includes support layer, buffer layer and structure layer arranged in sequence from top to bottom, the support layer is flexible thin layer material layer, the buffer layer with porous structure is arranged on the support layer, and the structure layer for bearing sensor device is arranged on the buffer layer;Surface electromyographic thin film sensing unit and interconnection lead wire are constructed on the structure layer.
[0007] More preferably, the listening head is handheld listening head, including handheld part, connecting part and support part, the support part is rotatably connected on the handheld part through the connecting part, the air-filled cavity is arranged on the support part, and one side of the air-filled cavity is closed by resonance membrane;Gas pressure sensor is also arranged in the air-filled cavity, indicating lamp connected with the gas pressure sensor is arranged on the support part to indicate whether air filling is completed, and air filling button connected with air-filled pump is arranged on the handheld part.
[0008] More preferably, the earpiece is a neck-loop earpiece, which is fixed on the neck of the human body by magic tape, so that the resonance membrane is attached to the lower jaw and the neck of the human body.
[0009] More preferably, the earpiece and the terminal device are in wireless communication or wired communication.
[0010] More preferably, a display screen is provided on the earpiece to display the power and communication connection status.
[0011] More preferably, the terminal device is a mobile phone, a tablet computer or a desktop computer.
[0012] More preferably, the earpiece includes an adult earpiece, an infant earpiece and a child earpiece.
[0013] More preferably, the air pump is a manual air pump or an electric air pump.
[0014] The utility model at least has the following beneficial effects.
[0015] In the process of swallowing, breathing will be suspended, swallowing occurs at the end of inspiration or at the beginning of expiration, so that the neck auscultation can hear the swallowing sound after the inspiration sound or the stop breathing sound, and the expiration sound appears immediately after, which is the complete swallowing auscultation process.
[0016] The swallowing auscultator provided by the utility model can better improve the adhesion of the auscultation site, improve the auscultation accuracy, and collect new muscle electric signals, which is beneficial to improve the screening rate of aspiration; at the same time, combined with the terminal device, the sound wave collection and display function can be realized, the collection and display function of the bone activity muscle electric signal can be realized, the state of breathing and aspiration and the laryngeal complex movement state closely related to swallowing can be better displayed, so as to clarify the coordination of breathing and swallowing, and increase the screening rate of aspiration risk.
[0017] Overall, the swallowing auscultator provided by the utility model can efficiently capture, process and transmit the sound information of swallowing and breathing and the activity signal of swallowing action, and provide accurate swallowing diagnosis basis for doctors; the data is directly transmitted to the terminal device, so that the doctor can check and analyze the auscultation result at any time and any place, and the convenience and efficiency of diagnosis are improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The earpiece structure schematic diagram in the embodiment of the utility model is shown.
[0019] Figure 2 The structure schematic diagram in another view is shown. Figure 1 The structure schematic diagram in another view is shown.
[0020] Figure 3 The swallowing auscultation schematic diagram is shown.
[0021] Explanation of reference signs.
[0022] 1: earpiece, 2: terminal device.
[0023] 1-1: hand-held portion, 1-2: connecting portion, 1-3: supporting portion, 1-4: resonance membrane, 1-5: indicator light, 1-6: inflation button, 1-7: display screen. DETAILED DESCRIPTION
[0024] The specific embodiments of the present application will be further described below with reference to the accompanying drawings of the specification, so that the technical scheme of the present application and its beneficial effects are more clear and explicit. The description of the embodiments below by referring to the accompanying drawings is exemplary and is intended to explain the present application, but cannot be understood as a limitation of the present application.
[0025] The additional aspects and advantages of the present application will become apparent in the following description, or will be appreciated by practice of the present application.
[0026] A swallowing stethoscope comprises an earpiece and a terminal device, the earpiece is attached to the lower jaw and neck of a human body to collect swallowing signals, and the terminal device is connected to the earpiece to display the swallowing signals; the earpiece comprises an inflation cavity, an inflation pump connected to and inflating the inflation cavity, a resonance membrane attached to the lower jaw and neck of a human body on one side of the inflation cavity, the resonance membrane is a flexible electrode film capable of collecting myoelectric signals, a sound sensor is arranged in the inflation cavity, and a processor connected to the sound sensor and the resonance membrane to process sound signals and myoelectric signals is arranged on the earpiece; the terminal device is connected to the processor.
[0027] It should be noted that the power supply mode of the earpiece, the power supply mode of the terminal device, and the power supply circuit design thereof are all ordinary technical knowledge mastered by those skilled in the art, such as using existing known battery power supply mode, external power supply mode, etc.
[0028] The flexible electrode film is a flexible substrate known in the art for physiological information sensing, comprising a support layer, a buffer layer and a structure layer arranged in sequence from top to bottom; the support layer is a flexible thin layer material layer, a porous micro-nano structure buffer layer is arranged on the support layer, and an ultra-thin structure layer for bearing a sensor device is arranged on the buffer layer. A surface myoelectric film sensing unit and an interconnection wire are constructed on the structure layer, the micro-nano feature structure buffer layer makes the structure layer maintain perfect and comfortable conformal with the human skin, and ensures high-precision collection of physiological signals.
[0029] It should be noted that the selection of sound sensors, processors (one or more), terminal devices, and connection circuit design are all common technical knowledge mastered by those skilled in the art, and will not be elaborated on here.
[0030] The air pump can be any existing electric pump or manual pump. As for the specific connection structure between the air pump and the air chamber, it is common technical knowledge that is known to those skilled in the art, and will not be described in detail here.
[0031] Reference Figure 1 , Figure 2 As shown, in this embodiment, the stethoscope 1 is preferably a handheld stethoscope, including a handheld part 1-1, a connecting part 1-2, and a supporting part 1-3. The supporting part 1-3 is rotatably connected to the handheld part 1-1 through the connecting part 1-2 so that the angle of the supporting part 1-3 can be adjusted as needed to meet the needs of patients in different situations. The inflation chamber is disposed on the supporting part 1-3, and one side of the inflation chamber is closed by a resonant diaphragm 1-4. A gas pressure sensor is also provided in the inflation chamber. An indicator light 1-5 connected to the gas pressure sensor is provided on the supporting part 1-3 to indicate whether inflation is complete. An inflation button 1-6 is provided on the handheld part 1-1.
[0032] It should be noted that the selection of gas pressure sensor models, indicator light models, and their connection circuit design with the processor are common technical knowledge mastered by those skilled in the art, and will not be elaborated here.
[0033] Reference Figure 3 As shown, the working principle of the swallowing stethoscope is as follows: Before auscultation, the inflation buttons 1-6 are activated, triggering the gas pressure sensor. Combined with the streamlined design of the auscultatory surface, this ensures good fit between the auscultatory surface and the human jaw and neck. The auscultation is activated when the inflation indicator lights 1-5 turn green, and the auscultation results are displayed through the terminal device 2. In this embodiment, the stethoscope has two functions: First, the auscultatory surface resonant diaphragm (flexible electrode film) detects the movement trajectory of the hyoid bone and thyroid cartilage in the neck. The processor converts the electromyographic signals into electrical signals, reflecting the swallowing activity signals. Second, the auscultatory surface resonant diaphragm collects sound vibrations during swallowing and breathing. The processor converts the sound waves into electrical signals, reflecting the relationship between swallowing and breathing.
[0034] In some embodiments, a neckband-style earpiece is used instead of a handheld earpiece. The neckband-style earpiece can be fixed with Velcro and positioned based on its fit when inflated, while the other sound acquisition and electromyography signal acquisition functions remain unchanged.
[0035] According to actual needs, the head and the terminal device can communicate through wireless or wired mode, in the embodiment, the communication between the head and the terminal device is preferably realized through Bluetooth, and a display screen 1-7 for displaying the Bluetooth connection condition and the power is preferably arranged on the head, as shown in Figure 2
[0036] The terminal device can be an existing known mobile phone, tablet computer, computer or the like, so that the auscultated sound can be also played out, and the diagnosis is facilitated.
[0037] According to actual needs, the head is also divided into adult head, infant head and child head, so that the corresponding head specification can be selected according to the patient population, and the lower jaw and neck of the patient are better fitted.
[0038] In the process of swallowing, breathing is paused, swallowing occurs at the end of inspiration or at the beginning of expiration, therefore, the neck auscultation can hear the swallowing sound after the inspiration sound or the pause breathing sound, and the expiration sound appears immediately after, which is the complete swallowing auscultation process.
[0039] The swallowing auscultator can better improve the fitting degree of the auscultation position, improve the auscultation accuracy, and newly collect the myoelectric signal, which is beneficial to improve the screening rate of aspiration; meanwhile, in combination with the terminal device, the sound wave collection and display function can be realized, the bone activity myoelectric signal collection and display function can be realized, the state of breathing and aspiration and the laryngeal complex movement state closely related to swallowing are better displayed, the coordination of breathing and swallowing is clarified, and the screening and inspection rate of aspiration risk is increased.
[0040] In general, the swallowing auscultator can efficiently capture, process and transmit the sound information of swallowing and breathing and the activity signal of swallowing action, and provide accurate swallowing diagnosis basis for doctors; the data is directly transmitted to the terminal device, so that the doctor can check and analyze the auscultation result at any time and any place, and the convenience and efficiency of diagnosis are improved.
[0041] In addition, it should be noted that, in the description of the utility model, for the orientation words, such as the terms "center", "transverse", "vertical", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the utility model.
[0042] In addition, the terms "first", "second" are used only for descriptive purposes and should not be construed as indicating or implying relative importance or a specific number of technical features. Therefore, the "first", "second" features defined can explicitly or implicitly include one or more of the features, and in the description of the present application, the meaning of "at least" is one or more, unless otherwise explicitly specified and limited.
[0043] In the present application, unless otherwise specified and limited, the terms "assembly", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected; it can be directly connected, or it can be connected through an intermediate medium, or it can be connected between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.
[0044] In the present application, unless otherwise specified and limited, the "first" feature is "on" or "under" the "second" feature can include the first and second features in direct contact, or the first and second features can not be in direct contact but through another feature between them. In addition, the "first" feature is "on", "under" and "above" the "second" feature includes that the "first" feature is directly above or obliquely above the "second" feature, or only indicates that the horizontal height of the "first" feature is higher than the height of the "second" feature. The "first" feature is "on", "under" and "below" the "second" feature includes that the "first" feature is directly below or obliquely below the "second" feature, or only indicates that the horizontal height of the "first" feature is lower than the height of the "second" feature.
[0045] Through the description of the above structure and principle, those skilled in the art should understand that the present application is not limited to the above-mentioned specific embodiments, and improvements and replacements of known technologies based on the present application fall within the protection scope of the present application, and the protection scope of the present application should be limited by each claim and its equivalents. The parts not described in the specific embodiments are all prior art or common knowledge.
Claims
1. A swallow stethoscope, characterized in that, The application relates to a swallowing signal acquisition device, which comprises a headpiece and a terminal device, the headpiece is attached to the lower jaw and neck of a human body to collect swallowing signals, and the terminal device is connected with the headpiece to display the swallowing signals; the headpiece comprises an air-filled cavity, an air pump connected with and inflating the air-filled cavity, a resonance membrane attached to the lower jaw and neck of the human body arranged on one side of the air-filled cavity, a flexible electrode film capable of collecting myoelectric signals, a sound sensor arranged in the air-filled cavity, and a processor connected with the sound sensor and the resonance membrane and arranged on the headpiece to process sound signals and myoelectric signals; and the terminal device is connected with the processor.
2. A swallow stethoscope according to claim 1, characterized in that The flexible electrode film comprises a support layer, a buffer layer and a structure layer arranged in sequence from top to bottom, the support layer is a flexible thin layer material layer, the buffer layer with a porous structure is arranged on the support layer, and the structure layer for bearing sensor devices is arranged on the buffer layer; a surface myoelectric film sensing unit and interconnecting wires are constructed on the structure layer.
3. A swallow stethoscope according to claim 1, characterized in that The headpiece is a handheld headpiece, which comprises a handheld part, a connecting part and a supporting part, the supporting part is rotatably connected with the handheld part through the connecting part, the air-filled cavity is arranged on the supporting part, and one side of the air-filled cavity is closed by the resonance membrane; a gas pressure sensor is further arranged in the air-filled cavity, an indicating lamp connected with the gas pressure sensor is arranged on the supporting part to indicate whether the inflation is completed, and an inflation button connected with the air pump is arranged on the handheld part.
4. A swallow stethoscope according to claim 1, characterized in that The headpiece is a neck collar type headpiece, which is fixed on the neck of the human body through magic tape to make the resonance membrane attached to the lower jaw and neck of the human body.
5. A swallow stethoscope according to claim 1, wherein, Wireless communication or wired communication is adopted between the headpiece and the terminal device.
6. A swallow stethoscope according to claim 1, wherein, A display screen is arranged on the headpiece to display the power and communication connection state.
7. A swallow stethoscope according to claim 1, wherein, The terminal device is a mobile phone, a tablet computer or a desktop computer.
8. A swallow stethoscope according to claim 1, wherein, The headpiece comprises an adult headpiece, an infant headpiece and a young child headpiece.
9. A swallow stethoscope according to claim 1, wherein, The air pump is a manual air pump or an electric air pump.