KR20040052310A - Wireless multiprocessing Stethoscope - Google Patents

Abstract

PURPOSE: A wireless multi-stethoscope is provided to consult a patients convenience and enhance the reliability by adding a wireless function to a stethoscope. CONSTITUTION: A sound collection unit(10) includes a body, which is formed with polyester. An LCD(11) is installed at the body in order to display visually information. One switch(13) and a multi-switch(14) are installed at the body. A micro-controller is used for controlling functions of one switch and the multi-switch. An operation LED(12) is used for indicating operating states of one switch and the multi-switch. A transmission antenna(15) is used for performing a function of communication. A microchip converts cardiopulmonary sound to an electric signal. The converted signal is displayed on the LCD by the micro-controller. The converted signal is transmitted to an RF receiver by using a transmission unit.

Description

Wireless multiprocessing Stethoscope

As the electronic industry is developed and advanced, many medical equipments are pursuing the latest technology.However, the first diagnosis method of doctors in the hospital is using a stethoscope to listen to the patient's lung sounds, heart sounds, low sounds such as heart sounds and bass sounds such as heart valve sound. It is auscultation. Looking at the structure of the conventional stethoscope, the state sound is input through the chestpiece, transmitted by the synthetic resin tube tube, and then the signal is divided into two by the ear tube to output to the earpiece.

As such, since the chestpiece part and the earpiece part are connected together with the tube tube, the patient has a spatial constraint and a time constraint that the examinee visits the examinee or the examinee needs to find the examinee.

In addition, because the tube is connected long, the cause of noise and movement, discomfort in storage and only one listening to one stethoscope, there is a disadvantage that must be individually stethoscope when medical education and multiple examiners need to stethoscope Rather, it was decided only by the subjective judgment of the stethoscope, without specifying the exact data of the stethoscope result and storing it as a file or storing it.

The present invention is called the sound collecting unit and the receiving unit using the conventional general stethoscope principle, and at the same time, several people can hear the stethoscope sound at the position of the examinee by using RF, and at the same time, the data of the RF receiver is desired through Ethernet. You can hear a stethoscope. In addition, by using the LCD window of the sound collecting unit, simple symbols, characters, and examined data can be displayed to increase the reliability of the inspection.

Able to listen to the signal transmitted from one sound collection unit through multiple receivers or multiple speakers through speakers, so real-time education is possible during medical education at the same time with stethoscope, and the stethoscope data received through Ethernet is permanently stored in personal PC and DB We will try to reduce the initial error caused by the storage and subjective judgment of the examiner.

10: Transmitter (Collection) 11: LCD Display

12: operation LED 13, 14: user switch

15: ANT 16 for transmission: power switch

20: Chestpiece 21: Pedestal

30: Main PCB 31: Battery

40: Ear Chest Pierce 41: Receiver

42: receiver operation LED 43: power switch

44: speaker connector

Therefore, the present invention uses the RF modulation method to solve the above problems, the sound collecting unit 10 and the microcontroller and each peripheral device to control the entire system and the ANT (15) for transmitting the detected data The battery 31 for the operation of the controller should be accommodated, and the power switch 16 for battery storage must be inserted. And RF modulator and amplification part for wireless communication, it has band pass filter to remove the interference with harmonic / low harmonic and adjacent channel. It has a LCD display (11) that can display the status of the doctor in a symbol, number chart, and a program to control it, and has an LED lamp (12) displaying the operating status. It has an antenna capable of transmitting from the sound collecting section 10 to the receiver 41 and at the same time transmitting to the receiver of the Ethernet, and other devices to remove the noise of the converter for converting the input signal and the amplifier for amplifying the signal. It has a filter unit for. The receiver for receiving the transmitted signal has a speaker connection terminal 44 capable of connecting a speaker and a converter for converting a receiving-partial RF signal that receives the transmitted signal and converting the received signal into an audible sound.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

FIG. 1 is a front view of the sound collecting unit 10. The body 1 is formed by using a harmless polyester, and an LCD display 11 for visually encoding and displaying various information at the time of auscultation is mounted. And One Switch (13) and MultiSwitch (14) is equipped with the function of these are controlled by the microcontroller (A6), and when using a single stethoscope one Switch (13) is ON, and one cardiopulmonary sound When the doctor examines or educate the Multi Switch (14) ON to use. In addition, an Operation LED 11 indicating an operation state is mounted, and an ANT 15 for communication should be mounted.

FIG. 2 is a side view of the sound collection unit, which is made of a synthetic rubber and a synthetic resin, and uses a harmless material that is environmentally friendly to the human body. After close contact with the cardiopulmonary sound obtained from the chestpiece (20) is input to the main PCB (30). As the main function of the main PCB (30) of the sound collection unit as shown in [Fig. 5] Chestpiece unit for inputting the physical vibration sound by inputting the treble, such as the patient's lung sound, heart sound, long sound and heart valve sound (A1) Negative sound is converted into an electrical pulse from microphone (A3) via a circular tube tube (A2). The weak pulse signal is amplified using amplifier (A4) and then chestpiece (A1) to amplifier (A4). The generated noise is removed by the filter A5, and this electric pulse signal is input to the I / O PORT of the microcontroller A6 that controls all the systems. The input signal is controlled by the program of the micro-controller (A6), and the LCD display which displays the patient's condition by symbol and number chart, and judges the bass sound such as the lung sound, heart sound, and long sound of the subject and heart valve sound. 11) is visually displayed. Simultaneously, the microcontroller A6 transmits the input signal to the transmitter A8, modulates the electric signal into an RF signal (A8-1), amplifies the signal with RF for transmitting (A8-2), and then harmonics and low frequency. In order to eliminate interference with waves and adjacent channels, RF signals are transmitted to the ANT (A8-4) via the BPF (A8-3) at the end of the sound collecting unit.

It is composed of three parts such as a high frequency (RF) part which receives this to the receiving part (C1) antenna (C1-1) and lowers it back to the original frequency, and a base band part and a logic part which can accurately reproduce the high frequency signal. The signal is transformed into an audible signal by the RF module (C1-2) device and is then transmitted to the chest piercing (C1-3) or to the speaker connection terminal (C1-4). When not in use, the PowerON / OFF switch 16 is turned off to prevent short-term discharge of the battery 31, which is efficient.

3 shows the bottom surface of the sound collecting unit, and shows the state of mounting the battery 31 and the shape of the chestpiece 20 and the backing 21.

4 is a receiver side for receiving an RF signal transmitted from a sound collecting unit. RF module which is composed of three parts such as high frequency (RF) part that receives RF signal to antenna 15 and lowers it back to the original frequency, baseband part and logic part which can accurately reproduce high frequency signal ( C1-2) the device is finally output to the chest piercing unit 20 or the speaker connection terminal 44.

6 shows a schematic diagram using Ethernet, which receives RF signals transmitted from a plurality of sound collection units B1-1 and receives them from a receiver B2 of an office, and then transfers them to a personal PC B4 via Ethernet B3.

As described above, the present invention not only eliminates the inconvenience of having a stethoscope at a close distance from the subject or an examinee who is uncomfortable with the physical body, but also appears by the LCD display of the sound collection unit at the same time as the stethoscope. As a result, the subject may be able to trust the stethoscope more, and the stethoscope may hear the cardiopulmonary sounds of the subjects in the private office, view it through a computer, and if the space where Ethernet is available, the result may be in any place where the stethoscope is desired. It can be displayed on your personal computer and saved as data.

In addition, it is possible to listen to multiple receivers through the RF signal emitted from one sound collection unit, or through the speaker, so it is possible to listen to the subjects in the medical school or during the meeting of the stethoscopes, such as lung sound, heart sound, long sound, etc. You can hear bass sounds in real time, such as treble and heart valve sounds.

Claims (3)

The microcard is converted into an electrical signal from the cardiopulmonary sound of the subject input to the chestpiece, and the converted electrical signal is displayed on the LCD display by the microcontroller and all systems are controlled at the same time. A stethoscope device that is restored to an audible signal again by the RF module of the transmitting receiver. A device capable of a single listening function and a multiple listening function using RF by the microcontroller according to claim 1. An apparatus capable of remote transmission of data multiplexed using RF by the microcontroller according to claim 1 via Ethernet.