CN213551927U

Movatterモバイル変換

Info

Publication number: CN213551927U
Application number: CN202021719755.4U
Authority: CN
Inventors: 刘晓林; 焦阳; 崔崤峣; 朱鑫乐; 李章剑; 徐杰; 陈松; 方辉
Original assignee: Liaoning Hande Technology Co ltd; Suzhou Institute of Biomedical Engineering and Technology of CAS
Current assignee: Liaoning Hande Technology Co ltd; Suzhou Institute of Biomedical Engineering and Technology of CAS
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-06-29
Anticipated expiration: 2030-08-17

Abstract

本实用新型涉及医疗器械技术领域，具体涉及一种膀胱尿量检测装置及检测系统。其中，装置包括：柔性探头，包括柔性基底和设置在柔性基底上的超声换能器，所述柔性基底用于吸附在人体小腹的检测位置，使得所述超声换能器对准用户的膀胱；主板，包括超声收发模块，所述超声收发模块与所述超声换能器电连接，用于向所述超声换能器发送激励信号以及接收所述超声换能器的超声回波信号。本实用新型通过柔性探头贴附在人体小腹的检测位置，使得超声换能器能够对准用户的膀胱，解决了现有技术中膀胱尿量检测不能完全贴合用户的体表导致检测结果不准确的问题，除此之外，柔性探头贴合皮肤表面方便用户在不同场景中实现可穿戴的全天候实时尿量监测功能。

The utility model relates to the technical field of medical devices, in particular to a bladder urine volume detection device and a detection system. Wherein, the device includes: a flexible probe, including a flexible base and an ultrasonic transducer arranged on the flexible base, the flexible base is used to be adsorbed on the detection position of the lower abdomen of the human body, so that the ultrasonic transducer is aimed at the user's bladder; The main board includes an ultrasonic transceiver module, which is electrically connected to the ultrasonic transducer and used for sending excitation signals to the ultrasonic transducer and receiving ultrasonic echo signals from the ultrasonic transducer. The utility model attaches the flexible probe to the detection position of the lower abdomen of the human body, so that the ultrasonic transducer can be aimed at the user's bladder, and solves the problem of inaccurate detection results because the bladder urine volume detection in the prior art cannot completely fit the user's body surface. In addition, the flexible probe fits the skin surface to facilitate the user to realize the wearable all-weather real-time urine volume monitoring function in different scenarios.

Description

Bladder urine volume detection device and detection system

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to bladder urine volume detection device and detecting system.

Background

The urinary incontinence is one of common clinical symptoms of urodynamics, the attention degree of the whole society to the urinary incontinence is increased along with the improvement of the living standard of people in recent years, popular pathological investigation in parts of China shows that the incidence rate of the urinary incontinence is 5.9% for people over 18 years old, 1.1% for people between 18 and 40 years old, 10% for people over 40 years old, and the incidence rate of old women is even up to 70%, and the urinary incontinence not only brings anxiety and embarrassment to patients, but also seriously affects the work and life of the patients. However, increasing interest in the urinary incontinence problem has prompted us to gain a more profound understanding of its epidemiological features, pathophysiological features, and peripheral and central nervous regulatory mechanisms of the small urinary tract, which has helped us develop new diagnostic devices.

During the propagation process of the ultrasonic signal in the biological medium, the ultrasonic signal and the biological medium interact with each other, and the characteristics and the mechanism of the interaction between the ultrasonic signal and the biological medium are researched, and the corresponding characteristics and the mechanism are utilized to diagnose the focus of the patient. Chinese patent CN206482596U discloses a wearable bladder urine volume detector, which comprises a waist ring, the left end and the right end of the waist ring are respectively connected with a fixing ring and a micro Doppler ultrasonic device, the upper end and the lower end of the surface of the micro Doppler ultrasonic device are respectively provided with a wireless transmitter and a wireless receiver, an adjusting knob is arranged between the wireless transmitter and the wireless receiver, an electrode plate is arranged on the left side of the miniature Doppler ultrasonic device, a data checker is arranged on the right side of the miniature Doppler ultrasonic device, the detecting device can be worn on the waist of the patient through the waist ring, the electrode plate can be pasted on the lower abdomen of the patient and can also be arranged on the detecting device, the residual urine volume in the bladder of the patient can be detected by utilizing ultrasonic waves, link to each other with cell-phone APP through wireless transceiver, show the testing result through the cell-phone, convenient to carry, the remaining urine volume of bladder after detection bladder urine volume and the urination that can be accurate.

Although the electrode plate is adhered to the lower abdomen of the patient in the technical scheme, the electrode plate is of a rigid structure and is affected by the curvature and respiration of the abdomen of the human body, and the waist ring and the human body cannot always keep not to move relatively, so that the transducer is difficult to achieve the technical requirement of being completely adhered to the abdomen of the human body at any moment, and finally the detection result is inaccurate.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a bladder urine volume detection device and detecting system to bladder urine volume detects among the solution prior art and can not laminate user's body surface completely and lead to the unsafe problem of testing result.

An aspect of the utility model provides a bladder urine volume detection device, include: the flexible probe comprises a flexible substrate and an ultrasonic transducer arranged on the flexible substrate, wherein the flexible substrate is used for being adsorbed at a detection position of the lower abdomen of a human body, so that the ultrasonic transducer is aligned with the bladder of a user; the mainboard comprises an ultrasonic transceiver module, and the ultrasonic transceiver module is electrically connected with the ultrasonic transducer and is used for sending an excitation signal to the ultrasonic transducer and receiving an ultrasonic echo signal of the ultrasonic transducer.

Optionally, the flexible probe is a flexible linear array probe, and a plurality of ultrasonic transducers are disposed on the flexible substrate.

Optionally, the ultrasonic transducer is a sheet transducer using a flexible material.

Optionally, the plurality of ultrasound transducers are arranged in a cross.

Optionally, the main board further includes: a gating module, through which the ultrasound transceiver module is electrically connected with the plurality of ultrasound transducers.

Optionally, the ultrasound transceiver module comprises: the ultrasonic transmitting module is electrically connected with the ultrasonic transducer and used for transmitting the excitation signal to the ultrasonic transducer; and the ultrasonic receiving module is electrically connected with the ultrasonic transducer and used for receiving the ultrasonic echo signal obtained by converting the ultrasonic signal by the ultrasonic transducer.

Optionally, the main board further includes: the memory is electrically connected with the ultrasonic receiving module and is used for storing the ultrasonic echo signals; and the wireless communication module is connected with the memory and used for sending the ultrasonic echo signal to the upper computer.

Optionally, the main board further includes: the input end of the gain amplifier is electrically connected with the ultrasonic receiving module and is used for amplifying the ultrasonic echo signal; and the filter is electrically connected with the output end of the gain amplifier and the memory respectively and is used for filtering the amplified ultrasonic echo signal.

The utility model discloses an on the other hand provides a bladder urine volume detecting system, include: the urinary bladder urine volume detection device of the first aspect or any one of the optional embodiments of the first aspect, configured to detect an ultrasonic echo signal reflecting a volume of urine in a urinary bladder of a user; and the upper computer is in communication connection with the bladder urine volume detection device and is used for receiving the data sent by the bladder urine volume detection device.

The utility model discloses following beneficial effect has:

the utility model provides a bladder urine volume detection device adsorbs the detection position in human belly through flexible basement for ultrasonic transducer can aim at user's bladder, and then makes flexible probe can laminate in the human surface of different waistlines, receives the influence of motion, belly camber and breathing to reduce, can obtain bigger supersound visual field, makes the testing result more accurate finally; in addition, the flexible probe is attached to the surface of the skin, so that a user can conveniently realize wearable all-weather real-time urine volume monitoring function in different scenes.

The utility model provides a bladder urine volume detection device, through flexible linear array probe, not only can laminate the human body, can also bear a plurality of ultrasonic transducer, can carry out the bladder urine volume detection of a plurality of on-line to the bladder, obtain more bladder information, finally improve the degree of accuracy that detects.

The utility model provides a bladder urine volume detection device adopts flexible material's slice transducer, increases the area with human skin contact to send more ultrasonic waves to the user and carry out the detection of bladder urine volume, promote the degree of accuracy that detects.

The utility model provides a bladder urine volume detection device controls a plurality of ultrasonic transducer through gating module and works in proper order, and will a plurality of ultrasonic transducer's supersound echo signal sends to supersound transceiver module in proper order, improves the reliability of whole device.

The utility model provides a bladder urine volume detection device, through memory and wireless communication module, can save the supersound echo signal in the testing process and send to the host computer and calculate and the analysis, obtain the testing result and show on user interaction interface (like the display screen), can also with pass to cloud platform on the testing result, convenience of customers or medical personnel look over with APP, and the practicality is high, extensive applicability, convenient operation.

The gain amplifier amplifies the ultrasonic echo signals by a certain multiple, filters the signals through the filter, eliminates the ultrasonic echo signals with larger errors, and ensures the accuracy of the ultrasonic echo signals participating in calculation and analysis.

The utility model provides a bladder urine volume detecting system utilizes the arbitrary one of first aspect bladder urine volume detection device detect user's bladder volume to send testing result to the host computer and calculate and the analysis, the early warning of propelling movement urination. The flexible substrate of the bladder urine volume detection device is adsorbed at the detection position of the lower abdomen of a human body, so that the ultrasonic transducer can be aligned to the bladder of a user, the flexible probe can be attached to the surfaces of the human bodies with different waistlines, the influence of movement, abdominal curvature and respiration is reduced, a larger ultrasonic view field can be obtained, and finally the detection result is more accurate; in addition, the flexible probe is attached to the surface of the skin, so that a user can conveniently realize wearable all-weather real-time urine volume monitoring function in different scenes.

Drawings

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

Fig. 1 is a schematic structural diagram of a bladder urine volume detection device provided by the present invention;

fig. 2 is a schematic structural diagram of a flexible substrate 11 provided by the present invention;

fig. 3 is a schematic layout of theflexible probe 10 provided by the present invention;

fig. 4 is a schematic structural diagram of theultrasonic transducer 12 provided by the present invention;

fig. 5 is a schematic diagram of a cross arrangement of a plurality ofultrasonic transducers 12 provided by the present invention;

fig. 6 is a schematic view of the complete structure of the bladder urine volume detection device provided by the present invention;

fig. 7 is a schematic view of another complete structure of the urine volume detection device for urinary bladder provided by the present invention;

fig. 8 is a schematic structural diagram of a bladder urine volume detection system provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

An aspect of the present invention provides a bladder urine volume detecting device, as shown in fig. 1, including: aflexible probe 10, including a flexible substrate 11 and anultrasonic transducer 12 disposed on the flexible substrate 11, wherein the flexible substrate 11 is used for being adsorbed at a detection position of the lower abdomen of a human body, so that theultrasonic transducer 12 is aligned with the bladder of a user; the motherboard 20 includes anultrasound transceiver module 21, and theultrasound transceiver module 21 is electrically connected to theultrasound transducer 12 and configured to send an excitation signal to theultrasound transducer 12 and receive an ultrasound echo signal of theultrasound transducer 12.

The flexible substrate 11 may be made of a flexible piezoelectric material, so that theflexible probe 10 can be attached to a human body. In a particular embodiment, as shown in fig. 2, the flexible substrate 11 may comprise a three-layer structure:barrier layer 111,embedding layer 112, andmatching layer 113. The embedding layer is used for placing theultrasonic transducer 12, the blocking layer is used for preventing the ultrasonic waves generated by theultrasonic transducer 12 from propagating backwards, the matching layer enables the acoustic impedance of theultrasonic transducer 12 to be matched with that of a user, and the ultrasonic waves generated by theultrasonic transducer 12 are sent to the user to the maximum extent. The blocking layer, the embedding layer and the matching layer are all made of flexible piezoelectric materials, such as silica gel materials, wherein the blocking layer is coated with materials which have a blocking effect on the propagation of ultrasonic waves, such as epoxy resin and ceramic powder, and the matching layer is coated with materials which can realize the acoustic impedance transition of the ultrasonic waves transmitted from the embedding layer to the air, such as silicon dioxide and titanium dioxide.

In order to detect the filling state of the bladder in real time, theflexible probe 10 needs to satisfy the requirements of low foreign body sensation, high fitting degree and the like. Therefore, theflexible probe 10 made of the flexible piezoelectric material can be attached to and adsorbed at the detection position of the lower abdomen of a human body, and theultrasonic transducer 12 is directly carried by the flexible substrate 11 and fixed at the bladder position of a user, so that the problem that ultrasonic waves cannot be effectively transmitted to the bladder of the user due to the fact that theultrasonic transducer 12 is not attached to the human body is solved, and a larger ultrasonic field of view is obtained. Meanwhile, the flexible substrate 11 is made of a silica gel material, so that foreign body sensation of direct contact with human skin is low. The inventor proves that the fitting degree of theflexible probe 10 with the human breast model, the back of the hand and the wrist shows a positive effect as a result through a series of tests.

The main board 20 includes anultrasound transceiver module 21, and theultrasound transceiver module 21 is electrically connected to theultrasound transducer 12, and is configured to send an excitation signal to theultrasound transducer 12 and receive an ultrasound echo signal formed after ultrasound waves are reflected to theultrasound transducer 12 through the bladder of the user. When the detection starts, theultrasound transceiver module 21 sends an excitation signal to theultrasound transducer 12 according to a preset frequency, so that theultrasound transducer 12 sends an ultrasound wave with the preset frequency to a user, and the ultrasound wave returns to theultrasound transducer 12 after being reflected by the bladder of the user and is converted into an electrical signal to form the ultrasound echo signal.

Optionally, as shown in fig. 3, theflexible probe 10 is a flexible linear array probe, and a plurality ofultrasonic transducers 12 are disposed on the flexible substrate 11.

Referring to fig. 3, theflexible probe 10 includes a plurality of probe arrays (1 to n, n is a positive integer) sequentially arranged in a linear direction, each of the probe arrays includes a flexible substrate 11 and a plurality ofultrasonic transducers 12, the arrangement rules of theultrasonic transducers 12 may be arranged in a linear manner as shown in fig. 3, or in any other manner, and the purpose of the arrangement rules is to obtain bladder information on different lines and increase the detection accuracy. The flexible substrates 11 may be arranged in sequence by taking the probe array as a unit as shown in fig. 3, or may be arranged by taking theflexible probes 10 as a unit, which is not limited herein, and when theflexible probes 10 are arranged as a unit, theultrasonic transducers 12 are arranged on the flexible substrates 11 in a matrix.

The plurality ofultrasonic transducers 12 are respectively connected to theultrasonic transceiver module 21, or the probe arrays are taken as a unit, each probe array is provided with an ultrasonic transceiver module connected to theultrasonic transceiver module 21, so as to transmit excitation signals to the plurality ofultrasonic transducers 12 and receive returned ultrasonic echo signals.

Optionally, theultrasonic transducer 12 is a sheet-like transducer using a flexible material.

Fig. 4 is a schematic structural diagram of anultrasonic transducer 12 provided by the present invention, as shown in fig. 4, theultrasonic transducer 12 includes a sheet-shaped flexible substrate and a groove formed on the flexible substrate by using an etching technique, a sound energy generating module of theultrasonic transducer 12 is disposed in the groove, and the groove is filled with a flexible piezoelectric material, such as a mixture powder of silica gel and titanium dioxide, so as to fix and close the sound energy generating module in the groove. Two electrodes of the acoustic energy generating module are exposed from the groove and connected with theultrasonic transceiver module 21.

Alternatively, as shown in fig. 5, the plurality ofultrasonic transducers 12 are arranged in a cross shape.

Here, the flexible substrate 11 shown in fig. 5 is a unit of theflexible probe 10, on which a plurality ofultrasonic transducers 12 arranged in a cross shape are disposed, and the plurality ofultrasonic transducers 12 are controlled by anultrasonic transceiver module 21 to sequentially emit ultrasonic waves to the bladder of the user. In addition, theultrasonic transducers 12 can be arranged in a T shape, and theflexible probe 10 can be lighter and thinner no matter the flexible probe is arranged in a cross shape or a T shape, and when the flexible probe is used for detection, the cross or T shape arrangement mode can be adopted, so that the problem of repeated detection of the same line on the bladder can be avoided, and the utilization rate of ultrasonic waves can be improved.

Optionally, as shown in fig. 6, the main board 20 further includes: a gating module 22, wherein theultrasound transceiver module 21 is electrically connected to the plurality ofultrasound transducers 12 through the gating module 22.

Fig. 6 is a schematic diagram of a complete structure of the bladder urine volume detection device provided by the present invention, wherein the gating module 22 is only schematically connected to the plurality ofultrasonic transducers 12 by a bidirectional arrow, in practice, the plurality ofultrasonic transducers 12 are all connected to the gating module 22, and the gating module 22 allocates a channel to eachultrasonic transducer 12 to control the plurality ofultrasonic transducers 12 to operate at a preset time interval, and sequentially emits ultrasonic waves with a preset frequency to the bladder of the user.

Theultrasonic transceiver module 21 sends excitation signals to the plurality ofultrasonic transducers 12, sequentially controls the plurality ofultrasonic transducers 12 to work at preset time intervals through the gating module 22, and sequentially receives ultrasonic echo signals of the plurality ofultrasonic transducers 12.

Optionally, as shown in fig. 6, theultrasound transceiver module 21 includes: anultrasonic transmitting module 211 electrically connected to theultrasonic transducer 12 for transmitting the excitation signal to theultrasonic transducer 12; anultrasonic receiving module 212, electrically connected to theultrasonic transducer 12, for receiving the ultrasonic echo signal obtained by converting the ultrasonic signal by theultrasonic transducer 12.

Specifically, as shown in fig. 6, theultrasound transceiver module 21 includes anultrasound transmitting module 211 and anultrasound receiving module 212, which are electrically connected to theultrasound transducer 12 through the gating module 22, respectively. Theultrasonic transmitting module 211 is further connected to theultrasonic receiving module 212, and after theultrasonic transmitting module 211 sends out an excitation signal, theultrasonic receiving module 212 receives an ultrasonic echo signal in a time period after a preset time interval.

Optionally, as shown in fig. 6, the main board 20 further includes: amemory 23 electrically connected to theultrasonic receiving module 212 for storing the ultrasonic echo signal; and thewireless communication module 24 is connected with thememory 23 and is used for sending the ultrasonic echo signal to theupper computer 30.

Specifically, during the detection process, theultrasound transmitting module 211 generates an excitation signal, the gating module 22 selects to successively excite the plurality ofultrasound transducers 12 to generate an ultrasound signal, the ultrasound signal is reflected by the bladder of the user and then returns to thecorresponding ultrasound transducer 12, the ultrasound signal is converted into an electrical signal as the ultrasound echo signal, and the electrical signal is successively transmitted to theultrasound receiving module 212 through the gating module 22. Thememory 23 is connected with theultrasonic receiving module 212, stores the ultrasonic echo signal, and transmits the ultrasonic echo signal to theupper computer 30 through thewireless communication module 24. In a specific embodiment, thewireless communication module 24 is a bluetooth or WIFI communication module, theupper computer 30 includes but is not limited to a mobile phone, a tablet computer, a PC, etc., and the bladder urine volume detection device further includes acloud platform 40 for counting and analyzing the bladder urine volume detection result of theupper computer 30 and then displaying the result on the bladder urine volume detection APP of the user, so that the user or the medical staff can check the result conveniently.

Optionally, as shown in fig. 7, the main board 20 further includes: the input end of the gain amplifier 25 is electrically connected with theultrasonic receiving module 212 and is used for amplifying the ultrasonic echo signal; and the filter 26 is electrically connected with the output end of the gain amplifier 25 and thememory 23 respectively and is used for filtering the amplified ultrasonic echo signal.

Specifically, the gain amplifier 25 amplifies the ultrasonic echo signal by a certain multiple, and filters the ultrasonic echo signal by the filter 26 to remove the ultrasonic echo signal with a large error, thereby ensuring the accuracy of the ultrasonic echo signal participating in calculation and analysis.

In another aspect of the present invention, a bladder urine volume detecting system is provided, as shown in fig. 8, the detecting system includes: the urinary bladder urinevolume detection apparatus 100 according to any one of the first aspect, for detecting an ultrasonic echo signal reflecting a volume of urine in a user's urinary bladder; and the upper computer 200 is in communication connection with the bladder urinevolume detection device 100 and is used for receiving data sent by the bladder urinevolume detection device 100.

Specifically, please refer to fig. 8, the bladder urine volume detection system includes the bladder urinevolume detection device 100 of any one of the first aspect and the upper computer 200, the bladder urinevolume detection device 100 is configured to detect the urine volume of the bladder of the user and generate an ultrasonic echo signal, and the detailed structure and process of the bladder urine volume detection device are referred to the first aspect and are not repeated herein; the upper computer 200 is in communication connection with the bladder urinevolume detection device 100, includes wireless connection or wired connection, and is configured to receive the data code stream converted from the ultrasonic echo signal, perform calculation and analysis, obtain a bladder volume value, display the bladder volume value on a user interaction interface (such as a display screen), and also push urination warnings in manners of, for example, buzzer warning, message pushing, vibration, ringing and the like according to the bladder volume value.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.