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Updated: Jul 17, 2026
10:19
Evaluation of Biomaterials for Bladder Augmentation using Cystometric Analyses in Various Rodent Models
Published on: August 9, 2012
A study on implantable urination assist systems - development of a bladder compression system
Kazuo Kiguchi1, Yoshihiko Sakamoto, Jiro Uozumi
1Graduate Sch. of Sci. & Eng., Saga Univ., Japan.
Summary
This study introduces an implantable urination assist system using shape memory alloys to help patients with neuropathic bladder. The device directly pushes the bladder to aid urination, offering a novel solution for urinary dysfunction.
Area of Science:
- Biomedical Engineering
- Medical Devices
- Urology
Background:
- Neuropathic bladder causes significant urination difficulties.
- Existing treatments may be invasive or have limited efficacy.
- A need exists for innovative assistive devices for bladder emptying.
Purpose of the Study:
- To propose and evaluate an implantable urination assist system.
- To address urinary dysfunction in patients with neuropathic bladder.
- To demonstrate the feasibility of using shape memory alloys for bladder assistance.
Main Methods:
- Development of an implantable system utilizing shape memory alloys (SMA).
- Integration of Peltier elements for precise temperature control within the device.
- Experimental validation using a sophisticated bladder model to assess system performance.
Main Results:
- The proposed system demonstrated effectiveness in assisting urination in a bladder model.
- Shape memory alloys provided direct mechanical assistance to the bladder.
- Temperature control via Peltier elements was successfully implemented.
Conclusions:
- The implantable urination assist system shows promise for treating neuropathic bladder.
- SMA-based bladder compression is a viable mechanism for urination assistance.
- Further clinical studies are warranted to confirm efficacy in patients.
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