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:
“The only principle that does not inhibit progress is: anything goes.”
—Paul Feyerabend (1924–1994)
“A President must call on many persons—some to man the ramparts and to watch the far away, distant posts; others to lead us in science, medicine, education and social progress here at home.”
—Lyndon Baines Johnson (1908–1973)
“The nonchalance and dolce-far-niente air of nature and society hint at infinite periods in the progress of mankind.”
—Henry David Thoreau (1817–1862)