US Patent Issued to NxStage Medical on March 17 for "Medicament preparation devices, methods, and systems" (Massachusetts Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,195, issued on March 17, was assigned to NxStage Medical Inc. (Lawrence, Mass.).

"Medicament preparation devices, methods, and systems" was invented by Goetz Friederichs (Beverly, Mass.) and Gregory Yantz (Boxford, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A proportioning device includes a proportioning machine with a temperature-compensating conductivity sensor, a controller, and pump actuator. A fluid circuit is engageable with the pump actuator, has connections for a source of water and one or more medicament concentrates, and includes a mixing container. The controller is configured to mix contents of the mixing container at a first ...