CN211094223U

CN211094223U - Novel stethoscope

Info

Publication number: CN211094223U
Application number: CN201921053979.3U
Authority: CN
Inventors: 李妙媛; 郭钦源; 董昇; 汪玉洁
Original assignee: Liuzhou Maternity and Child Healthcare Hospital
Current assignee: Liuzhou Maternity and Child Healthcare Hospital
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-07-28
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a novel stethoscope relates to medical instrument technical field. The novel stethoscope comprises a sound pickup, a sound transmission tube and a receiving device, wherein the sound pickup, the sound transmission tube and the receiving device are sequentially connected, and a vibration sensor is arranged on the sound pickup; the receiving device comprises a shell, and a sound amplifying device and a heartbeat frequency calculating device which are arranged in the shell, wherein a through hole is formed in the shell, and the position of the sound amplifying device corresponds to the position of the through hole, so that the sound of the sound amplifying device can be diffused out of the through hole; the public address set includes wave filter and amplification sound, the position of amplification sound corresponds with the position of through-hole, the adapter is connected with the wave filter electricity, amplification sound is connected with the wave filter electricity, heartbeat frequency calculating device is connected with vibration sensor. The utility model discloses can regard the auscultation as the inspection project that the outpatient service conventionality can student and family members share, and can liberate doctor's ear, improve auscultation rate of accuracy and work efficiency.

Description

Novel stethoscope

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a novel stethoscope is related to.

Background

The stethoscope is the internal medicine, surgery, the diagnostic tool that gynaecology and pediatrician used most often, it is the sound that the human inside production that feels the diaphragm is through the adapter collection sound, and through the leading note pipe, the acoustic conduction, pass into medical personnel's the duct through the earplug at last in, sound through external acquisition human internal organs activity, medical personnel can tentatively carry out analysis and judgement to the health status of human body, the stethoscope is the diagnosis respiratory, cardiovascular system disease's important instrument, mainly used knows patient per minute heartbeat number, every minute abnormal number, the heartbeat frequency, breathe, intestines are singed etc..

The auscultators used at present are simple and convenient, ears are uncomfortable when outpatients continuously use the auscultators, auscultation is greatly interfered, and communication with education and patients is not facilitated.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, there is a need for a novel stethoscope, which can perform auscultation as an examination item that can be commonly shared by students and family members in outpatient service, and can liberate the ears of doctors, thereby improving the accuracy and work efficiency of auscultation.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a novel stethoscope comprises a sound pickup, a sound transmission tube and a receiving device, wherein the sound pickup, the sound transmission tube and the receiving device are sequentially connected, a vibration sensor is arranged on the sound pickup, the receiving device comprises a shell, a sound amplifying device and a heartbeat frequency calculating device, the sound amplifying device and the heartbeat frequency calculating device are arranged in the shell, a through hole is formed in the shell, and the position of the sound amplifying device corresponds to the position of the through hole, so that the sound of the sound amplifying device can be diffused out of the through hole; the public address set includes wave filter and amplification sound, amplification sound's position with the position of through-hole corresponds, the adapter with the wave filter electricity is connected, amplification sound with the wave filter electricity is connected, heartbeat frequency calculating device with the vibration sensor electricity is connected.

Further, the outer wall upper shield cover of adapter is equipped with loudspeaker form sucking disc, the sucking disc is connected with the trachea, the trachea is connected with the negative pressure and inhales the ball.

Further, still be equipped with the display screen on the casing, heartbeat frequency calculation device with the display screen electricity is connected.

Further, the heartbeat frequency calculation device comprises a frequency calculator, a decoding conversion module and a decoder which are connected in sequence, the vibration sensor is connected with the frequency calculator, and the decoder is connected with the display screen.

Further, the stethoscope further comprises a respiratory rate detection device, the respiratory rate detection device comprises a control box, the control box is detachably connected with the receiving device through a telescopic pipe, the control box is electrically connected with the display screen, and the control box comprises:

the signal acquisition module is used for acquiring a distance change signal of at least one calibration position of the chest of the human body in a preset acquisition period;

the signal preprocessing module is used for carrying out normalization processing on the distance change signal to obtain normalized data;

the signal filtering module is used for filtering the normalized data to obtain a first respiratory signal;

the wavelet transformation module is used for performing wavelet transformation on the first respiratory signal to obtain a second respiratory signal;

and the respiratory frequency calculation module is used for determining the respiratory frequency according to the second respiratory signal and is electrically connected with the display screen.

Furthermore, a cold-proof ring is further arranged at one end, far away from the sound transmission tube, of the sound pickup.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a set up public address set, but make the auscultation can regard as the conventional examination item that student and family members shared of outpatient service, and public address set is a sound and heart murmurmur of lung, and a plurality of doctors of being convenient for obtain the inspection result simultaneously, have more improved the judgement accuracy to the result, and do benefit to the area of student and teach. And simultaneously, the utility model discloses still set up heartbeat frequency calculating device and respiratory frequency detection device, through electronic calculation respiratory frequency and heartbeat frequency, liberated doctor's ear, improved auscultation rate of accuracy and work efficiency. In addition, the utility model discloses still set up sucking disc, negative pressure suction ball etc. and made the adapter hug closely in corresponding auscultation positions such as patient's chest, need not the manual work and in addition hand is fixed, the operation of being convenient for.

Drawings

Fig. 1 is a schematic structural diagram of a novel stethoscope according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a circuit connection of a novel stethoscope according to an embodiment of the present invention.

In the figure, the device comprises a sound pick-up 1, a sound transmission tube 2, a plastic hose 21, a titanium alloy hose 22, a receiving device 3, a shell 31, a loudspeaker 32, a filter 321, a loudspeaker 322, a heartbeat frequency calculating device 33, a frequency calculator 331, a decoding conversion module 332, a decoder 333, a through hole 34, a display screen 35, a vibration sensor 4, a sucker 5, a suction tube 6, a negative pressure suction ball 7, a respiratory frequency detecting device 8, a control box 80, a signal acquisition module 81, a signal preprocessing module 82, a signal filtering module 83, a wavelet transformation module 84 and a respiratory frequency calculating module 85.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Examples

As shown in fig. 1 and 2, a novel stethoscope includes a sound pick-up 1, a sound tube 2 and a receiving device 3, wherein the sound pick-up 1, the sound tube 2 and the receiving device 3 are connected in sequence, a vibration sensor 4 is arranged on the sound pick-up 1, and when the vibration sensor 4 is fixed, a diaphragm can be firstly adhered on the sound pick-up 1, and then the vibration sensor 4 is fixed on the diaphragm. And a cold-proof ring is arranged at one end of the sound pickup 1, which is far away from the sound transmission tube 2. The receiving device 3 comprises a casing 31, and a sound amplifying device 32 and a heartbeat frequency calculating device 33 which are arranged in the casing 31 at intervals, wherein a through hole 34 is formed in the casing 31, and the position of the sound amplifying device 32 corresponds to the position of the through hole 34, so that the sound of the sound amplifying device 32 can be diffused from the through hole 34. The through hole 34 is also provided with an upper cover hinged to the edge of the through hole 34 to cover the through hole 34 when auscultation is not required, preventing dust and the like from falling onto the sound amplifying means 32. Public address set 32 includes wave filter 321 and amplification sound 322, amplification sound 322's position with the position of through-hole 34 corresponds, adapter 1 with wave filter 321 electricity is connected, amplification sound 322 with wave filter 321 electricity is connected, heartbeat frequency calculating device 33 with vibration sensor 4 is connected. The shell 31 is further provided with a display screen 35, and the heartbeat frequency calculation device 33 is electrically connected with the display screen 35.

Further, in the present embodiment, the horn-shaped suction cup 5 is covered on the outer wall of the sound pickup 1, and since the vibration sensor 4 is fixed to the sound pickup 1, the suction cup 5 also covers the vibration sensor 4. The sucking disc 5 is connected with an air pipe 6, and the air pipe 6 is connected with a negative pressure sucking ball 7. The suction cup 5, the negative pressure suction ball 7 and the like can enable the sound pick-up 1 to be tightly attached to corresponding auscultation positions of the chest of a patient and the like, manual fixation is not needed, and operation is convenient.

Further, the utility model discloses a sound transmission pipe 2 can be plastic hose or titanium alloy hose, also can be plastic hose and titanium alloy hose's combination, is plastic hose 21 and titanium alloy hose 22's combination in this embodiment, and sound transmission pipe 2 is divided into two sections promptly, and wherein first section is plastic hose 21, and the second section is titanium alloy hose 22. One end of the plastic hose 21 is connected to the sound pickup 1, and the other end is connected to the titanium alloy hose 22. The end of the titanium alloy hose 22 remote from the plastic hose 21 is connected to the receiving device 3. The titanium alloy hose 22 is connected with the receiving device 3, so that the connection is firmer.

Further, the heartbeat frequency calculation device 33 includes a frequency calculator 331, a decoding conversion module 332 and a decoder 333 which are connected in sequence, the vibration sensor 4 is connected with the frequency calculator 331, and the decoder 333 is connected with the display screen 35. The frequency calculator 331 calculates the vibration signal collected by the vibration sensor 4, when the vibration signal is transmitted to the frequency calculator 331, the frequency calculator 331 starts counting, when the vibration signal is ended, the frequency calculator 331 stops counting, and calculates the technology between the start and the end of the vibration signal, the calculated signal converts the analog signal into a digital signal through the decoding conversion module 332, the digital signal is processed and displayed on the display screen 35 through the decoder 333, the number of heartbeat per minute (namely, the heartbeat frequency) of a diagnosed person is obtained, the observation of medical staff is facilitated, the calculation speed is high, and the occurrence of the phenomenon of missing notes calculated manually is avoided. Utilize the utility model discloses a stethoscope also can be very fast to being examined by the diagnostician, labour saving and time saving, work efficiency is high.

Further, the utility model discloses a stethoscope still includes a respiratory rate detection device 8, respiratory rate detection device 8 includes control box 80, and control box 80 can dismantle with receiving arrangement 3 through flexible pipe and be connected, and control box 80 is connected with display screen 35 electricity. The control box 80 includes the following modules electrically connected in sequence:

the signal acquisition module 81 is used for acquiring a distance change signal of at least one calibration position of the chest of the human body in a preset acquisition period;

a signal preprocessing module 82, configured to perform normalization processing on the distance change signal to obtain normalized data;

a signal filtering module 83, configured to filter the normalized data to obtain a first respiratory signal;

a wavelet transform module 84, configured to perform wavelet transform on the first respiratory signal to obtain a second respiratory signal;

and the respiratory frequency calculation module 85 is used for determining the respiratory frequency according to the second respiratory signal, and the respiratory frequency calculation module is electrically connected with the display screen.

It is understood that a power supply device may be disposed in the control box 80 to provide power for the above modules.

Specifically, distance change signals of four calibration positions of the chest of the human body in a preset acquisition period can be acquired by using the laser sensors, wherein the four calibration positions comprise the chest and the lateral sides of the chest in the sternum area, namely two laser sensors are used for acquiring transverse displacement signals of the lateral sides of the left and right chest, and the other two laser sensors are positioned above the chest and are used for acquiring thoracic fluctuation signals in the sternum area. It will be appreciated that the four laser sensors may be removed from the control box, and that the wires are long enough when there is a wired connection between the four laser sensors and the signal pre-processing module 82. In addition, according to the Shannon-Nyquist sampling principle, the reasonable sampling frequency of the signal detection equipment is set, the normal human respiratory frequency is about 16-22 times per minute, the conversion frequency is 0.27-0.37Hz, the sampling frequency of the laser sensor is 6.67Hz, the requirement that the sampling frequency is more than twice of the frequency of the sampled signal is met, and the sampling theorem is met, so that the respiratory signal can be detected in principle. In other embodiments, the sampling frequency of the laser sensor may also be greater than 6.67Hz, and a suitable value may be selected in a specific application scenario.

The specific structure of the respiratory frequency detection device and the detection method thereof can refer to the chinese patent publication No. CN109691999A, which is not repeated herein.

The utility model discloses a set up public address set 32, but make the auscultation can regard as the conventional examination item that student and family members shared of outpatient service, and public address set 32 is a lung rale and heart murmurmur enlargies, and a plurality of doctors of being convenient for obtain the inspection result simultaneously, have more improved the judgement accuracy to the result, and do benefit to the area of student and teach. And simultaneously, the utility model discloses still set up heartbeat frequency calculating device 33 and respiratory frequency detection device 8, through electronic calculation respiratory frequency and heartbeat frequency, liberated doctor's ear, improved auscultation rate of accuracy and work efficiency. Furthermore, the utility model discloses still set up sucking disc 5, negative pressure suction ball 7 etc. and made adapter 1 hug closely in corresponding auscultation positions such as patient's chest, need not the manual work and in addition hand is fixed, the operation of being convenient for.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A novel stethoscope is characterized in that: the device comprises a sound pick-up, a sound transmission pipe and a receiving device, wherein the sound pick-up, the sound transmission pipe and the receiving device are sequentially connected, and a vibration sensor is arranged on the sound pick-up; the receiving device comprises a shell, and a sound amplifying device and a heartbeat frequency calculating device which are arranged in the shell, wherein a through hole is formed in the shell, and the position of the sound amplifying device corresponds to the position of the through hole, so that the sound of the sound amplifying device can be diffused out of the through hole; the public address set includes wave filter and amplification sound, amplification sound's position with the position of through-hole corresponds, the adapter with the wave filter electricity is connected, amplification sound with the wave filter electricity is connected, heartbeat frequency calculating device with the vibration sensor electricity is connected.

2. The new stethoscope as defined in claim 1 wherein: the outer wall upper shield cover of adapter is equipped with loudspeaker form sucking disc, the sucking disc is connected with the trachea, the trachea is connected with the negative pressure and inhales the ball.

3. The new stethoscope as defined in claim 1 wherein: still be equipped with the display screen on the casing, heartbeat frequency calculation device with the display screen is connected.

4. The new stethoscope as defined in claim 3 wherein: the heartbeat frequency calculation device comprises a frequency calculator, a decoding conversion module and a decoder which are connected in sequence, the vibration sensor is connected with the frequency calculator, and the decoder is connected with the display screen.

5. The new stethoscope as defined in claim 1 wherein: still include a respiratory frequency detection device, respiratory frequency detection device includes the control box, the control box can be dismantled with receiving arrangement through flexible pipe and be connected, just the control box is connected with the display screen electricity, include in the control box:

6. The new stethoscope as defined in claim 1 wherein: and a cold-proof ring is further arranged at one end of the sound pickup, which is far away from the sound transmission tube.