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Inflatable cavernosal body device: feasibility and acute safety study in the canine model
L D Knoll1, R C Benson, W L Furlow
1Center for Urological Treatment and Research, Nashville, Tennessee.
Urology
|July 1, 1994
Summary
This study found an implantable inflatable cavernosal compression device to be feasible, safe, and mechanically reliable in canines. The device successfully increased intracorporeal pressure without adverse tissue effects or thromboembolism.
Area of Science:
- Urology
- Biomedical Engineering
- Animal Models
Background:
- Erectile dysfunction treatment often involves invasive devices.
- Novel implantable devices require rigorous preclinical evaluation.
Purpose of the Study:
- To assess the feasibility, safety, and acute mechanical reliability of a two-piece, implantable, inflatable cavernosal body compression device.
- To establish a canine model for evaluating novel erectile dysfunction technologies.
Main Methods:
- Implantation of an inflatable cavernosal compression device in six large male dogs.
- Mechanical cycling and radiographic evaluation over two months.
- Infusion cavernosometry and histological assessment of penile tissues.
Main Results:
- The device demonstrated mechanical reliability through repeated cycling.
- Device inflation significantly increased intracorporeal pressure (>100% baseline).
- Histology revealed no adverse tissue effects or thromboembolism.
Conclusions:
- The inflatable cavernosal compression device is feasible and safe in the acute canine model.
- Results support further long-term studies on physiological effects and chronic device reliability.
- This preclinical data is foundational for potential human clinical applications.