Design of Intensity-Modulated Urodynamic Fiber-Optic Pressure Sensor

In recent years, the diagnostic level of urological diseases in China has significantly improved, with urodynamics (UDS) becoming an essential diagnostic tool for assessing urinary dysfunction. However, traditional urodynamic testing faces challenges related to low sensitivity, bulky equipment, and complex operation. This paper proposes a plastic optical fiber pressure sensor design based on reflective intensity modulation. The theoretical foundation for this innovative structure is derived, followed by simulation based on the theoretical analysis. The results demonstrate that the sensor exhibits excellent sensitivity and stability. These characteristics position it as a promising solution to enhance the accessibility and efficiency of urodynamic monitoring in clinical applications, ultimately improving the diagnosis and treatment of urological diseases.