Pneumatically driven device for penile rigidity measurement(PDF)
《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]
- Issue:
- 2026年第6期
- Page:
- 818-824
- Research Field:
- 医学信号处理与医学仪器
- Publishing date:
Info
- Title:
- Pneumatically driven device for penile rigidity measurement
- Author(s):
- HU Chen; HE Tao; DU Xiangyang
- School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
- Keywords:
- Keywords: penile rigidity pneumatically driven measurement device finite element simulation
- PACS:
- R318；TP274.2
- DOI:
- DOI:10.3969/j.issn.1005-202X.2026.06.016
- Abstract:
- Abstract: A pneumatically driven device for penile rigidity measurement is proposed to overcome the limitations of conventional devices, including the incapability of simultaneous axial and radial rigidity measurement and high operational costs. The proposed device consists of an axial sleeve and a pneumatic ring for axial and radial assessments, respectively. The measurement principle is analyzed, and based on the structural and material properties of the device, axial and radial measurement models are established through theoretical analysis and finite element simulation. An experimental platform is constructed, and experiments are conducted at room temperature at 300 K to verify the finite element model of the pneumatic ring and the penile rigidity measurement models. Further temperature experiments are performed to derive a temperature compensation model. Results show that the measured change in the inner diameter of the pneumatic ring is in good agreement with simulated data, with a mean relative error of 0.79%, supporting accurate radial-rigidity estimation. The mean relative error between axial rigidity measured by the device and thin-film pressure sensor readings is 0.83%, and that for measured radial rigidity against RigiScan measurements is 3.96%, which verifies the accuracy of the axial and radial measurement models. With temperature compensation, the measurement models remain reliable across varying ambient conditions, improving the robustness of the device in different settings.
Last Update: 2026-06-29