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Is Bone-wax an injectable urologic material?
1Department of Urology, School of Medicine, Ondokuz Mayis University, Samsun, Turkey.
European Urology
|December 26, 2001
Summary
Bone wax, a material used in orthopedic surgery, shows promise as an injectable agent for treating urinary incontinence and reflux. Studies indicate it is inert and biocompatible when injected into the bladder submucosa.
Area of Science:
- Urology
- Biomaterials Science
- Surgical Innovation
Background:
- Endoscopic injection therapies for urinary reflux and incontinence are increasingly popular due to their simplicity.
- Development of ideal injectable materials remains an active area of research.
- Bone wax is currently used for hemostasis in orthopedic and neurosurgical procedures.
Purpose of the Study:
- To investigate the potential of bone wax as an injectable biomaterial for urological applications.
- To evaluate the biocompatibility and tissue response to submucosally injected bone wax in a rabbit model.
Main Methods:
- Bone wax, liquefied with n-butyl acetic acid, was injected submucosally into the bladders of 14 rabbits.
- Animals were analyzed at 15, 60, and 150 days post-injection, with additional subcutaneous and intramuscular injections in one group.
- Macroscopic, histopathological, and systemic organ examinations were performed.
Main Results:
- Submucosal bone wax injections maintained their shape and location without migration.
- Histological analysis revealed minimal inflammatory responses, including edema and increased collagen production over time.
- No macroscopic or microscopic evidence of implant migration was observed.
Conclusions:
- Bone wax appears to be inert and biocompatible when injected into the bladder submucosa.
- These findings support further research into bone wax as a potential alternative agent for endoscopic treatment of vesicoureteral reflux and sphincteric incontinence.