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Design and development of a new type of phimosis dilatation retractor for children
You-Wei Yue1, Yi-Wen Chen1, Li-Ping Deng2
1Department of Urology, Longgang Central Hospital, Shenzhen 518116, Guangdong Province, China.
Insights
A novel phimosis dilatation retractor offers a safe and effective non-surgical treatment for pediatric phimosis. This patented device gently expands the foreskin, improving outcomes and avoiding risks associated with traditional circumcision.
Area of Science:
- Pediatric Urology
- Medical Device Design
- Surgical Innovation
Background:
- Phimosis is a common pediatric condition requiring timely intervention for optimal reproductive organ development.
- Traditional circumcision presents risks like bleeding, infection, scarring, and cosmetic concerns, with ongoing debate on optimal treatment.
- Existing surgical options can disrupt children's lives and carry anesthesia risks for young patients.
Purpose of the Study:
- To design an innovative children phimosis dilatation retractor.
- To provide a safer, less invasive alternative for treating pediatric phimosis.
Main Methods:
- Development of an elastic dilation frame for phimosis.
- The device gently dilates the foreskin to expose the glans penis.
- The method aims to cure phimosis through non-surgical foreskin expansion.
Main Results:
- A novel phimosis dilatation retractor was successfully designed and patented.
- The retractor enables simultaneous multi-angle and multi-directional gentle dilation of the prepuce.
- The device is suitable for clinical application.
Conclusions:
- The elastically expanding phimosis dilatation retractor effectively achieves foreskin expansion.
- Clinical application demonstrates significant efficacy, making it a recommendable treatment option.
- This device offers a promising alternative to surgical interventions for pediatric phimosis.
Background:
Phimosis is one of the most common diseases in children. Early selection of appropriate treatment for phimosis in children is beneficial to the development of their reproductive organs and significantly improves the prognosis of phimosis in children. Although traditional circumcision is the most widely used, it has many disadvantages, including postoperative bleeding and incision infection, pain, obvious scars on the surgical incision, and unsatisfactory appearance. In addition, there is much controversy regarding treatment options and timing at home and abroad. Surgical procedures such as circumcision and cerclage for children with excessively long foreskin will greatly affect the normal life of children after the operation. Young children need general anesthesia, but this anesthesia carries a great risk.
Aim:
To design a new children phimosis dilatation retractor for children phimosis.
Methods:
The children phimosis was dilated with an elastic dilation frame, in order to expand the foreskin mouth and expose the penis head, and after that, the phimosis was cured.
Results:
A new type of phimosis dilatation retractor was designed, which can gently dilate the prepuce at multiple angles and in multiple directions at the same time. It has obtained the national patent for clinical application.
Conclusion:
The phimosis dilatation retractor based on the principle of elastically expanding the prepuce can achieve the purpose of expanding the phimosis. The clinical application shows that the effect of the children phimosis retractor is significant, which is worth promoting.

