Wearable non-invasive bladder capacity monitoring and alarming device

A technology for monitoring alarm devices and bladder capacity, which is applied in the field of medical devices, and can solve problems such as rehabilitation systems and solutions that cannot meet market demand, unbalanced supply and demand ratios, and lack of guidance for patients to restore autonomous urination awareness

Pending Publication Date: 2019-08-23
FUDAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In a nutshell, the existing problems include: 1. The ratio of supply and demand is unbalanced, and the existing rehabilitation system and programs cannot meet the market demand at all; 2. The existing...

Method used

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  • Wearable non-invasive bladder capacity monitoring and alarming device
  • Wearable non-invasive bladder capacity monitoring and alarming device
  • Wearable non-invasive bladder capacity monitoring and alarming device

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Embodiment Construction

[0032] In order to reduce the interference caused by the change of electrode position to the measurement, the electrode pair was fixed 10 cm below the navel, and the positive and negative electrodes were both 8 cm away from the midline of the navel. Calibration of the impedance gain coefficient is required before each measurement starts. The bladder electrical impedance is about 2kΩ, and the calibration resistance should be 1kΩ. In the initialization program, after connecting the calibration resistors at both ends of VOUT, input the letter p to the serial port to start the calibration. After the calibration is completed, the impedance gain value is sent back through the serial port, and then the formal measurement starts after inputting the letter p. After calibration, the gain coefficient will be displayed through the serial port.

[0033]The present invention is based on Bioelectrical Impedance Analysis (BIA). Bioelectrical Impedance Analysis (BIA) is a medical detection tec...

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Abstract

The invention belongs to the technical field of medical instruments and apparatuses and particularly relates to a wearable non-invasive bladder capacity monitoring and alarming device. The device comprises a bladder bioelectrical impedance monitoring and collecting device and an upper computer for real-time display; the bladder bioelectrical impedance monitoring and collecting device is used for continuously collecting the bioimpedance of the bladder of a patient in real time and judging whether the patient reaches a bladder capacity threshold value or not, and comprises a lead wire, a disposable electrode, a high-precision impedance converter and a control and transmission mainboard. The high-precision impedance converter and the control and transmission mainboard are small in size and lightweight and do not influence the normal life of the patient. By monitoring a bladder impedance value which is sent back from a main control board through a serial port in real time, the upper computer realizes real-time and continuous monitoring of the bladder biological impedance and provides convenience for professional medical staff to carry out impedance calibration and set an impedance threshold value. The device helps to improve the life quality of patients with bladder and urethra dysfunction and helps the patients to recover the autonomous urination function.

Description

technical field [0001] The invention belongs to the technical field of medical devices, in particular to a wearable non-invasive bladder capacity monitoring and alarming device. Background technique [0002] For patients with bladder urethral dysfunction caused by brain injury (such as stroke) that causes damage to the urinary storage and voiding centers of the bladder, urinary retention, urinary incontinence, and even bladder perforation, clinically, urinary catheter clamping and regular urination training are often used to train the bladder. (The goal is to pull out the urinary catheter as soon as possible and restore the autonomous urination function). Since the current mainstream urodynamic (cystometry) examination can accurately measure bladder pressure and volume, it can provide detailed, objective and comprehensive information for patients with lower urinary tract dysfunction, but the patient needs to be sent to the urodynamic examination room, and the examination fee...

Claims

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Application Information

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IPC IPC(8): A61B5/20A61B5/053
CPCA61B5/0535A61B5/204
Inventor 洪笳淏陈炜鲍申杰
Owner FUDAN UNIV
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