Recordable stethoscope
By designing a recording stethoscope that combines air medium transmission and digital recording functions, the problem of stethoscopes being unable to provide real sound feedback and recording at the same time has been solved, realizing automated sound acquisition and long-term data recording, supporting doctors in making disease judgments.
Patent Information
- Application Number
- CN202520652363.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-08
AI Technical Summary
Existing stethoscopes cannot simultaneously provide the realistic sound feedback of traditional stethoscopes and the recording function of digital stethoscopes, resulting in signal distortion and loss of accuracy.
A recording stethoscope was designed, which combines sound transmission through air and automatic recording functions. It adopts a combined structure of a pickup shell, a pickup diaphragm, a listening part and a recording part, and uses a MEMS pressure sensor and controller to realize the digital acquisition and storage of sound.
It enables the automatic recording and reproduction of the patient's voice while transmitting sound through the air medium during the diagnosis process, supports long-term digital sound acquisition, and provides reference data on the development of the disease.
Smart Images
Figure CN223799779U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a diagnosis and treatment equipment technical field especially to a recordable stethoscope. BACKGROUND
[0002] The stethoscope is mainly composed of a pickup part (a chest part), a transmission part (a rubber tube) and a listening part (an ear part), and with the continuous development of technology, digital stethoscopes have been used to assist diagnosis, and a great advantage of the digital stethoscope is that sound reproduction can be performed, and for some special cases, consultation and disease development judgment can be performed through sound reproduction.
[0003] Of course, the traditional stethoscope also has its applicable scene, mainly reflected in the authenticity feedback of the sound, because the signal distortion and signal distortion problems exist in the collection mode of the digital stethoscope. At present, the two kinds of stethoscopes adopt a separately designed structure, which cannot combine the advantages of the two kinds of stethoscopes, so that the doctor can record the sound while performing normal diagnosis. SUMMARY
[0004] The utility model provides a recordable stethoscope can provide two kinds of working modes of passing through air medium to deliver sound and automatic recording sound, can satisfy daily diagnosis demand, can also realize automatic voice data acquisition and long time acquisition.
[0005] The above purpose of the utility model is realized by the following technical scheme:
[0006] The utility model provides a recordable stethoscope, including:
[0007] The pickup shell has an open port on the working surface of the pickup shell.
[0008] The pickup membrane is arranged on the pickup shell and seals the open port of the pickup shell.
[0009] The listening part includes a first connection port arranged on the pickup shell, a sound transmission hose detachably connected with the first connection port and a listening part connected with the sound transmission hose.
[0010] The recording part includes a second connection port arranged on the pickup shell and a recording part, and the working end of the recording part can pass through the second connection port and enter the inside of the pickup shell.
[0011] In a possible implementation manner of the utility model, the working surface of the pickup shell is provided with a sealing part, and the open port is located in the area surrounded by the sealing part.
[0012] In a possible implementation manner of the utility model, the sealing part includes:
[0013] A ring-shaped ring is arranged on the working surface of the pickup shell.
[0014] A ring-shaped support is arranged on the ring-shaped ring.
[0015] A flexible ring is arranged on the ring-shaped support, and a gap exists between the flexible ring and the ring-shaped ring.
[0016] In a possible implementation manner of the utility model, the width of the gap between the flexible ring and the ring-shaped ring is 1-1.5 mm.
[0017] In a possible implementation manner of the utility model, an annular air passage is arranged on the surface of the flexible ring, and a third connecting port connected with the annular air passage is further arranged on the flexible ring.
[0018] In a possible implementation manner of the utility model, the recording part comprises:
[0019] A recording shell.
[0020] A controller and an air pump are arranged inside the recording shell.
[0021] A MEMS pressure sensor is connected with the controller, and the MEMS pressure sensor is used for feeding back a vibration signal to the controller.
[0022] In a possible implementation manner of the utility model, the MEMS pressure sensor comprises:
[0023] A collecting shell.
[0024] An EMS pressure sensing chip is arranged inside the collecting shell.
[0025] A signal transmission cable is connected with the EMS pressure sensing chip and the controller at two ends.
[0026] An outer thread connecting ring is sleeved on the collecting shell, and the outer thread connecting ring is used for connecting with the pickup shell.
[0027] The utility model has the beneficial effects that:
[0028] The recordable stethoscope can provide a working mode of transmitting sound through air medium, meet daily diagnosis use demand, can also carry out digital sound collection mode, can record and reproduce the sound of patients, and is convenient for subsequent consultation and disease development judgment. Meanwhile, the recordable stethoscope can also carry out long-time continuous digital sound collection, can collect the disease development data of patients, and provide reference for doctor diagnosis. DRAWINGS
[0029] Figure 1 It is a structural schematic view of the recordable stethoscope provided by the utility model.
[0030] Figure 2 is a sectional view of a pickup shell.
[0031] Figure 3 is Figure 2 is an enlarged schematic view of part A.
[0032] Figure 4 is a structural schematic view of a recording part.
[0033] Figure 5 is a structural schematic view of a MEMS pressure sensor.
[0034] Figure 6 is a structural schematic block diagram of a controller.
[0035] In the figure, 1, pickup shell, 11, open port, 2, pickup membrane, 3, listening part, 31, first connection port, 32, sound transmission hose, 33, listening piece, 4, recording part, 41, second connection port, 42, recording piece, 5, sealing piece, 51, annular ring, 52, annular support, 53, flexible ring, 54, annular airway, 55, third connection port, 421, recording shell, 422, controller, 423, air pump, 424, MEMS pressure sensor, 4241, collection shell, 4242, EMS pressure sensing chip, 4243, signal transmission cable, 4244, external thread connection ring. DETAILED DESCRIPTION
[0036] The technical solutions in the utility model will be further described in detail below with reference to the drawings.
[0037] The utility model discloses a recordable stethoscope, please refer to Figure 1 and Figure 2 The utility model discloses recordable stethoscope including pickup shell 1, pickup membrane 2, listening part 3 and recording part 4, the shape of pickup shell 1 is generally cylindrical, is equipped with an open port 11 on its working surface, and the working surface of pickup shell 1 refers to the side of pickup shell 1 that is attached to the skin of the patient.
[0038] Pickup membrane 2 is arranged on pickup shell 1 and seals the open port 11 of pickup shell 1, so that the space inside pickup shell 1 is sealed, and pickup membrane 2 is made of metal film or plastic film. The pickup membrane 2 will vibrate during work, causing the sealed space inside the pickup shell 1 to change.
[0039] The connection between the listening part 3 and the recording part 4 and the sound pickup shell 1 is detachable, the listening part 3 comprises a first connection port 31 arranged on the sound pickup shell 1, a sound transmission hose 32 detachably connected with the first connection port 31, and a listening piece 33 connected with the sound transmission hose 32. Here, the listening piece 33 refers to a hard metal pipe (earring) and an earplug sleeved on the hard metal pipe.
[0040] The recording part 4 comprises a second connection port 41 arranged on the sound pickup shell 1 and a recording piece 42, the working end of the recording piece 42 can enter the inside of the sound pickup shell 1 through the second connection port 41. The first connection port 31 and the second connection port 41 are both provided with independent plugs, and the plugs are connected in the form of internal threads.
[0041] During daily diagnosis and treatment, only the listening part 3 is connected with the sound pickup shell 1; when recording is needed, the listening part 3 and the recording part 4 are both connected with the sound pickup shell 1; when long-time recording is needed, only the recording part 4 is connected with the sound pickup shell 1.
[0042] In some examples, please refer to Figure 2 and Figure 3 , long-time recording needs to add a sealing piece 5, which is arranged on the working surface of the sound pickup shell 1, and the open port 11 is located in the area surrounded by the sealing piece 5.
[0043] The sealing piece 5 comprises an annular ring 51, an annular support 52 and a flexible ring 53, the annular ring 51 is arranged on the working surface of the sound pickup shell 1, generally using a fixed connection mode of sticking, the annular support 52 is arranged on the annular ring 51, and the flexible ring 53 is arranged on the annular support 52.
[0044] The annular ring 51, the annular support 52 and the flexible ring 53 generally use an integrated molding manufacturing method.
[0045] There is a gap between the flexible ring 53 and the annular ring 51, and the gap allows the flexible ring 53 to deform locally.
[0046] The width of the gap between the flexible ring 53 and the annular ring 51 is 1-1.5mm.
[0047] In some possible implementations, the surface of the flexible ring 53 is provided with an annular air channel 54, and the flexible ring 53 is further provided with a third connection port 55 connected with the annular air channel 54, the third connection port 55 is used to connect with an external source, and the air in the annular air channel 54 is extracted, so that the flexible ring 53 can be attached to the skin of the patient.
[0048] In some examples, please refer to Figure 4The recording piece 42 comprises a recording shell 421, a controller 422, an air pump 423 and a MEMS pressure sensor 424, the controller 422 and the air pump 423 are arranged in the interior of the recording shell 421, and the MEMS pressure sensor 424 is connected with the controller 422 and used for feeding back a vibration signal to the controller 422.
[0049] The air pump 423 is electrically connected with the controller 422, the controller 422 controls the start and stop of the air pump 423, and the air pump 423 generally adopts an intermittent start mode.
[0050] Please refer to Figure 5 The MEMS pressure sensor 424 comprises a collection shell 4241, an EMS pressure sensing chip 4242, a signal transmission cable 4243 and an external thread connecting ring 4244, the EMS pressure sensing chip 4242 is arranged in the interior of the collection shell 4241, and the two ends of the signal transmission cable 4243 are respectively connected with the EMS pressure sensing chip 4242 and the controller 422.
[0051] The external thread connecting ring 4244 is sleeved on the collection shell 4241, and the connection mode of the two is bonding. The external thread connecting ring 4244 is used for connecting with the pickup shell 1. When connected, the external thread connecting ring 4244 is screwed into the second connecting port 41.
[0052] Please refer to Figure 6 The main control chip in the controller 422 in the utility model uses a Nordic nRF5340 SoC or a Nordic nRF5340 SoC, a power management chip uses an nPM1300 PMIC and an ADP122 linear voltage stabilizer, and the MEMS pressure sensor 424 uses a WXP380.
[0053] The output of the MEMS pressure sensor 424 has two kinds of analog signals and digital signals, the analog signals need to use an ADC chip to convert the analog signals into digital signals, and the digital signals can be directly sent to the main control chip.
[0054] The data collected by the main control chip is stored in a storage chip, can be read in an interface mode (an USB interface) or in a wireless mode (a Bluetooth module).
[0055] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A recordable stethoscope, characterized in that, The utility model relates to a recording and listening device, including: A pickup shell (1), the working surface of pickup shell (1) has open port (11); Pickup membrane (2), be located on pickup shell (1) and close the open port (11) of pickup shell (1); Listening part (3), including first connecting port (31) being arranged on pickup shell (1), the sound transmission hose (32) of detachable connection with first connecting port (31) and the listening piece (33) connected with sound transmission hose (32); Recording part (4), including second connecting port (41) being arranged on pickup shell (1) and recording piece (42), the working end of recording piece (42) can pass through second connecting port (41) and enter the inside of pickup shell (1).
2. The recordable stethoscope of claim 1, wherein, The working surface of pickup shell (1) is equipped with sealing piece (5), and open port (11) is located in the area surrounded by sealing piece (5).
3. The recordable stethoscope of claim 2, wherein, Sealing piece (5) includes: Annular ring (51), be arranged on the working surface of pickup shell (1); Annular support (52), be arranged on annular ring (51); Flexible ring (53), be arranged on annular support (52), and there is gap between flexible ring (53) and annular ring (51).
4. The recordable stethoscope of claim 3, wherein, The width of gap between flexible ring (53) and annular ring (51) is 1-1.5mm.
5. The recordable stethoscope of claim 3, wherein, Annular air passage (54) is arranged on the surface of flexible ring (53), and third connecting port (55) connected with annular air passage (54) is further arranged on flexible ring (53).
6. The recordable stethoscope of claim 1, wherein, Recording piece (42) includes: Recording shell (421); Controller (422) and air pump (423) are arranged in recording shell (421) inside; MEMS pressure sensor (424) is connected with controller (422), and MEMS pressure sensor (424) is used to feed back vibration signal to controller (422).
7. The recordable stethoscope of claim 6, wherein, MEMS pressure sensor (424) includes: Acquisition shell (4241); EMS pressure sensing chip (4242) is arranged in acquisition shell (4241) inside; Signal transmission cable (4243) is connected with EMS pressure sensing chip (4242) and controller (422) respectively at both ends; External thread connection ring (4244) is sleeved on acquisition shell (4241), and external thread connection ring (4244) is used to be connected with pickup shell (1).