CN214965873U

CN214965873U - Bracelet of ultrasonic testing pulse

Info

Publication number: CN214965873U
Application number: CN202022651940.0U
Authority: CN
Inventors: 周琳; 喻光
Original assignee: First Affiliated Hospital Of Qiqihar Medical University
Current assignee: First Affiliated Hospital Of Qiqihar Medical University
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-12-03
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a bracelet of ultrasonic testing pulse, include: the bracelet main body, the ultrasonic sheet, the air bag and the inflating device; the ultrasonic sheet is arranged on the inner side of the bracelet main body and fixed through a flexible belt; the outer side of the bracelet main body is a hard shell, and the inner side of the bracelet main body is made of flexible materials; the air bag is arranged inside the bracelet main body; the airbag is connected with the inflating device. The utility model provides a pair of bracelet of ultrasonic testing pulse carries out the pulse test through adopting the ultrasonic wave, both can press close to skin and test, also can have the certain distance to test from skin, and this test distance just can realize through the output frequency of adjustment supersound. For a healthy person, the wrist strap can be worn on the hand as a bracelet and is close to the skin.

Description

Bracelet of ultrasonic testing pulse

Technical Field

The utility model relates to the technical field of medical equipment, specifically speaking, in particular to bracelet of ultrasonic testing pulse.

Background

The existing pulse test adopts pressure change or resistance change and needs to be well contacted with the skin, and some disabled people and some patients with skin diseases can only adopt other parts of the body to measure due to uneven skin surface and inaccurate test data.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of the prior art, the embodiment of the utility model provides a bracelet of ultrasonic testing pulse is provided. The technical scheme is as follows:

in one aspect, a bracelet for ultrasonically testing a pulse is provided, comprising: the bracelet main body, the ultrasonic sheet, the air bag and the inflating device; the ultrasonic sheet is arranged on the inner side of the bracelet main body and fixed through a flexible belt; the outer side of the bracelet main body is a hard shell, and the inner side of the bracelet main body is made of flexible materials; the air bag is arranged inside the bracelet main body; the airbag is connected with the inflating device.

Further, the inflator includes: the air inlet, the electromagnetic valve, the air inflation unit, the motor and the controller; the opening and closing of the air inlet are controlled by an electromagnetic valve; the motor drives the inflating unit to rotate to inflate the air bag; the electromagnetic valve and the motor are both connected with a controller; the electromagnetic valve and the motor are both connected with a power supply unit.

Furthermore, the ultrasonic sheet is tightly attached to the skin, and pressure signals are converted into electric signals under the piezoelectric effect due to the mechanical force formed by pulse beating;

the electric signal is transmitted to the ultrasonic sheet, and the ultrasonic sheet sends out the electric signal after processing.

Further, the ultrasonic patch comprises a signal processing module and a signal sending module;

the signal processing module comprises an A/D conversion module, a signal processing unit and a signal storage unit;

the A/D conversion module is connected with the signal processing unit, and the signal processing unit is connected with the storage unit;

the signal sending module comprises an amplifying unit and an antenna.

The signal sending module amplifies the electric signal through the amplifying unit and sends the amplified electric signal to the signal receiving module through the antenna.

Further, the power supply unit includes a lithium battery and a wireless charging device; the wireless charging device comprises a receiving coil; the receiving coil is used for receiving the radio frequency signal sent by the radio frequency signal generator.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is:

the utility model provides a pair of bracelet of ultrasonic testing pulse carries out the pulse test through adopting the ultrasonic wave, both can press close to skin and test, also can have the certain distance to test from skin, and this test distance just can realize through the output frequency of adjustment supersound. For a healthy person, the wrist strap can be worn on the hand as a bracelet and is close to the skin.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a bracelet for ultrasonically testing pulse according to an embodiment of the present invention;

fig. 2 is an internal schematic view of a bracelet for ultrasonically testing pulse according to an embodiment of the present invention;

FIG. 3 is a block schematic diagram of an inflator device according to an embodiment of the present invention;

fig. 4 is a schematic block diagram of ultrasonic reception and signal processing according to an embodiment of the present invention;

fig. 5 is a block schematic diagram of a power supply unit of an embodiment of the invention;

fig. 6 is a schematic diagram of an ultrasound transmission system according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a bracelet of ultrasonic testing pulse, see fig. 1 and 2, include: the bracelet comprises a bracelet main body 1, an ultrasonic sheet 2, an air bag 3 and an inflating device 4; the ultrasonic sheet 2 is arranged on the inner side of the bracelet main body 1, and the ultrasonic sheet 2 is fixed through a flexible belt; the outer side of the bracelet main body 1 is a hard shell, and the inner side of the bracelet main body 1 is made of flexible materials; the air bag 3 is arranged inside the bracelet main body 1; the airbag 3 is connected to the inflator 4.

Specifically, the generation mechanism of ultrasound is the piezoelectric effect and the inverse piezoelectric effect; the ultrasonic piece is arranged in the bracelet, the ultrasonic emission faces to the inner wrist, the ultrasonic is reflected by human tissue, the ultrasonic signal is received and processed, and then the A, M mode signals of the ultrasonic can be obtained. The data of human tissues can be obtained by interpreting the ultrasonic signals. If the ultrasound frequency is high, it needs to be close to the skin tissue, reducing attenuation. If the ultrasound frequency is low, it can be far from the skin tissue, similar to a bat's ultrasound signal processing system. When high-frequency signals are generated, the air is needed to be inflated to be close to the skin. The low frequency ultrasound may be far away. The inflation module is only used to move the ultrasound transducer away from or against the skin.

Further, the both ends of bracelet main part are provided with buckle 5 and hole 6 respectively.

Further, referring to fig. 3, the inflator includes: the air inlet, the electromagnetic valve, the air inflation unit, the motor and the controller; the opening and closing of the air inlet are controlled by an electromagnetic valve; the motor drives the inflating unit to rotate to inflate the air bag; the electromagnetic valve and the motor are both connected with a controller; the electromagnetic valve and the motor are both connected with a power supply unit.

Specifically, an inflatable air bag is arranged inside the bracelet body, and when a test is needed, the ultrasonic sheet is pushed to be attached to the skin in a pressurizing mode; inhaling in a lithium battery and wireless power supply mode; specifically, the wireless power supply method: placing a radio frequency signal generator in a certain distance indoors, wherein the frequency of the radio frequency signal generator is consistent with that of a bracelet receiving coil; the receiving coil rectifies the received current to supply power to the small motor; in this embodiment, the inflation unit is a fan or a turbine; the small motor drives the fan or the turbine to rotate, and the air bag is inflated; the opening and closing of the air inlet is controlled by an electromagnetic valve, and the power supply principle of the air inlet is consistent with that of the straw device.

Further, referring to fig. 4, the ultrasonic sheet is attached to the skin, and the pressure signal is converted into an electrical signal under the piezoelectric effect due to the mechanical force generated by the pulse beat;

the signal sending module comprises an amplifying unit and an antenna.

Specifically, the signal receiving module is connected with a signal amplifying module, and the signal amplifying module is connected with a filter; the filter is connected with an A/D conversion module; the A/D conversion module is connected with a signal processing unit; the signal processing unit is connected with a digital display; meanwhile, the filter is connected with an oscilloscope.

The working principle of the ultrasonic receiving and processing is as follows:

1. the ultrasonic sheet is tightly attached to the skin, and pressure signals are converted into electric signals under the piezoelectric effect due to the mechanical force formed by pulse beating;

2. the electric signal is stored in the hand ring after being processed by digital-to-analog conversion;

3. the electric signal is amplified and then transmitted to the indoor through an antenna;

4. processing the received signal through a receiving antenna;

5. the waveform can be directly displayed;

6. the numbers may also be displayed after processing.

Further, referring to fig. 5, the power supply unit includes a rechargeable lithium battery and a wireless charging device; the wireless charging device comprises a receiving coil; the receiving coil is used for receiving the radio frequency signal sent by the radio frequency signal generator.

Further, referring to fig. 6, the ultrasonic sheet may be used for both generating an ultrasonic signal and receiving a pressure signal and converting the pressure signal into an electrical signal.

Principle of ultrasonic transmitting system

1. The signal source being generated by RF₄Finishing with a coil;

2. the power supply mode is wireless and RF radio frequency signal 3;

3. blood doppler signals can be measured.

Description of the other

1. In order to reduce interference between RF signals, the transmission and reception frequencies of the respective RF signals should be different;

2. the bracelet should work within a certain range due to RF loss;

3. the ultrasonic sheet can generate ultrasonic signals and can also be used for receiving pressure signals and converting the pressure signals into electric signals;

4. the inflation device can adopt a Korotkoff sound method and is matched with an ultrasonic sheet to measure the blood pressure.

The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A bracelet for ultrasonically testing a pulse, comprising: the bracelet main body, the ultrasonic sheet, the air bag and the inflating device; the ultrasonic sheet is arranged on the inner side of the bracelet main body and fixed through a flexible belt; the outer side of the bracelet main body is a hard shell, and the inner side of the bracelet main body is made of flexible materials; the air bag is arranged inside the bracelet main body; the airbag is connected with the inflating device.

2. The bracelet for ultrasonic testing of pulses according to claim 1, characterized in that said inflation device comprises: the air inlet, the electromagnetic valve, the air inflation unit, the motor and the controller; the opening and closing of the air inlet are controlled by an electromagnetic valve; the motor drives the inflating unit to rotate to inflate the air bag; the electromagnetic valve and the motor are both connected with a controller; the electromagnetic valve and the motor are both connected with a power supply unit.

3. The bracelet for ultrasonic testing of pulse according to claim 1, characterized in that the ultrasound patch is applied against the skin, the pressure signal being converted into an electrical signal under piezoelectric effect due to the mechanical force created by the pulse beat;

4. The bracelet for ultrasonically testing pulses according to claim 3, wherein the ultrasound patch comprises a signal processing module and a signal transmitting module;

the signal sending module comprises an amplifying unit and an antenna;

5. The bracelet for ultrasonically testing pulses according to claim 2, wherein the power supply unit comprises a lithium battery and a wireless charging device; the wireless charging device comprises a receiving coil; the receiving coil is used for receiving the radio frequency signal sent by the radio frequency signal generator.