Under Pressure From Congress, VA Aims To Buy More Implants In Bulk-thegraysheet: An investigation into the U.S. Department of Veterans Affairs management of surgical implants by the Government Accountability Office found that the VA was not following its own bulk purchase requirements, lacked a system for tracking patients with the implanted devices and may have allowed company vendors to directly operate on veterans in some instances – to the frustration of Representatives on the House Committee of Veterans’ Affairs.