Vesicourethral Simultaneous Manometry Tube with Memory Metal Basket Fixture

Abstract

The invention discloses a bladder and urethra synchronous pressure measurement pipe with a memory metal basket-shaped fixing device. The bladder and urethra synchronous pressure measurement pipe comprises a catheter body which is composed of a bladder irrigation pipe, a bladder pressure measurement pipe, a urethra pressure measurement pipe and guide wire pipes, wherein the bladder irrigation pipe, the bladder pressure measurement pipe, the urethra pressure measurement pipe and the guide wire pipes are independent of one another. Guide wires are arranged in the guide wire pipes respectively. Groove holes communicated with the corresponding guide wire pipes are formed in the positions, located between a bladder irrigation port and a bladder pressure measurement port and corresponding to the positions of the guide wire pipes, of the side wall of the catheter body in the longitudinal direction. Hollow guide columns are fixed to the rear port of the catheter body. The bladder irrigation pipe, the bladder pressure measurement pipe and the urethra pressure measurement pipe penetrate through hollow guide columns to be communicated with corresponding pipe connectors respectively. Positioning grooves are formed in the side walls of the front ends of the hollow guide columns in the circumferential direction. The hollow guide columns are sleeved with a slide ring in a sliding mode. Protruding blocks matched with the positioning grooves are arranged on the inner ring face of the slide ring. The rear end of each guide wire is fixedly connected with the slide ring. The bladder and urethra synchronous pressure measurement pipe is not influenced by the body position change of a patient or the urination interference, and test data are accurate and reliable.

Description

technical field [0001] The invention relates to a vesicourethral synchronous pressure measuring tube, in particular to a vesicourethral synchronous pressure measuring tube with a memory metal basket-shaped fixing device. Background technique [0002] Detrusor sphincter dysynergia (DSD: detrusor sphincter dysynergia) is clinically common. Clinical manifestations include frequent urination, urgency, urinary incontinence, urinary retention, unclean urine and enuresis and other abnormal urination symptoms. It is very important to distinguish various urinary abnormalities caused by DSD and non-DSD, which is the premise of formulating the correct treatment plan. Currently recognized examination methods include: cystometry, urethromanometry, and sphincter electromyography. However, the process of storing urine and urinating belongs to a relatively complex physiological process, which is affected by various factors based on the comprehensive evaluation of the existing technology. ...

AI Technical Summary

Problems solved by technology

However, urethral manometry records the pressure at the urethral sphincter. If the catheter moves slightly, it will lead to false urethral pressure fluctuations and inaccurate measurement results, making it difficult for the existing bladder-urethral synchronous manometry tube to be popularized clinically.

Chinese Patent No.: ZL2010102167.0, titled "Urinary Catheter Holder" provides a method for fixing the bladder-urethral synchronous manometry tube, which uses adhesive tape and a fixer to fix the catheter on the skin near the urethral opening, Although this method can achieve short-term urethral pressure measurement, urodynamic examination usually takes a long time, and changes in the patient's body position may easily cause the displacement of the pressure measurement hole, which cannot completely avoid the displacement of the urethral pressure measurement hole

In addition, Chinese Patent No.: ZL201420162776.9, titled "Double-balloon-fixed bladder-urethral synchronous manometry tube for urodynamic examination", also discloses a double-balloon-fixed bladder-urethra synchronous manometry tube, but due to the The existence of two airbags at the external opening of the urethra and the external opening of the urethra have a certain impact on the subject's urination, so it is impossible to achieve simultaneous pressure measurement of the bladder and urethra

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