Chinese IVD

Description: This product is a mesh-like vas deferens plug that intentionally allows subfertile levels of sperm to pass through it to reduce the buildup of pressure in the epididymis. The plug is made of flexible synthetics and anchored to the vas wall with a suture. Two very small holes near its tip allow some sperm to pass through. There is also a version with copper.

Product Details

User: Male

Hormonal: No

Delivery Method: Vas Deferens

Duration Type: Permanent, Long-acting

Regimen:
  • single administration

Multipurpose Preventive Technology (MPT): No

Status Details

Developer: National Research Institute for Family Planning in Beijing

Project Phase: Pre-Clinical and Clinical Development

Development Stage: Phase II

Active Development: No

Status Details:
  • The plug was licensed for commercialization, but work has been stalled due to lack of funding.

Additional Information

References:
  • Lu et al. (2014). A randomized, controlled, multicenter contraceptive efficacy clinical trial of the intravas device, a nonocclusive surgical male sterilization. Asian J Androl. 16(3): 432--436.

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