Original sentence: 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.One version is currently in research and development at the Shepherd Medical Company in Vancouver.Potential methods include clips, plugs, valves, and other devices.Proposed methods of vas-occlusive contraception attempt to prevent sperm from traveling down the vasa deferentia.The FDA approved human trials in 2006.Vas-occlusive contraception is an experimental male contraceptive method that is not approved for general use
Edited sentence: Early test in humans and clinical tests in monkeys showed that the devices worked to block sperm as effectively as vasectomies.Implementations include plugs, clips, valves, and other devices.Intrauterine device.National Institutes of Health for the clinical trials.Neil Pollock, a specialist in no-scalpel vasectomies.Other similar elastomer plug devices are being researched in China, using medical-grade polyurethane (MPU) and silicone rubber (MSR) injected as a liquid, and a pre-formed silicone rubber plug held in place by a single suture called the shug, investigated in the United States and Brazil since 1985.Reversible inhibition of sperm under guidance (RISUG).Shepherd Medical has received a 1.4 million dollar grant from the U.The FDA approved human trials in 2006, and approval may occur by 2010.The device is being developed at the Shepherd Medical Company in Vancouver by Dr.The first human trials for safety were approved by Ottawa in 2001.The surgical procedure is said to be as involved as a vasectomy and takes about 20 minutes.They are experimental and not yet approved for general use.Vas-occlusive contraception is a contraceptive method for men that involves preventing sperm from traveling down the vasa deferentia.Vasectomies have a poor rate of successful reversal, involving microsurgery and costing thousands of dollars, and should be considered permanent