As Congress considers reauthorizing a law that sets the fees for medical device makers, venture capitalists are emerging as a rich and influential ally of device companies eager to remove what they say are regulatory roadblocks in the approval process. The push has alarmed patient advocates and some doctors, who have been calling on the F.D.A. to intensify its oversight of devices, particularly in light of some all-metal artificial hips that are failing prematurely at an unusually high rate.
“They have this unwritten assumption that every new device is innovative,” Dr. Rita Redberg, who is the editor of the Archives of Internal Medicine, said, referring to the venture capital funds. But some devices, she said, “are killing people or causing significant harm.”