Progress
As of 2005, human clinical trials are being performed to evaluate its effectiveness as a contraceptive. One version is currently in research and development by Shepherd Medical in Vancouver. Another version currently being researched in China is an elastomer plug device, using medical-grade polyurethane (MPU) and silicone rubber (MSR) injected as a liquid.
The U.S. Food and Drug Administration (FDA) approved human clinical trials for the intra-vas device in 2006.
Read more about this topic: Vas-occlusive Contraception
Famous quotes containing the word progress:
“Discontent is the first step in the progress of a man or a nation.”
—Oscar Wilde (1854–1900)
“The only principle that does not inhibit progress is: anything goes.”
—Paul Feyerabend (1924–1994)
“Making such difference ‘twixt wake and sleep
As is the difference betwixt day and night
The hour before the heavenly-harnessed team
Begins his golden progress in the east.”
—William Shakespeare (1564–1616)