Thomas W. Davison

Sontra Medical Corporation engages in the development of transdermal diagnostic and drug delivery products based on its SonoPrep ultrasonic skin permeation technology. SonoPrep is a noninvasive ultrasonic skin permeation technology for medical and therapeutic applications, including transdermal diagnostics and the delivery of drugs through the skin

Ethicon Endo-Surgery, Inc. manufactures surgical devices and equipments. Its products include the ENDOPATH XCEL access system, CONTOUR curved cutter stapler, HARMONIC ultrasonic cutting and coagulation surgical devices and the MAMMOTOME breast biopsy system. The company was founded in 1992 and is headquartered in Cincinnati, OH.

Part of Pfizer Inc., InfusAID, Inc. provides ambulatory infusion pumps and services. The company is based in Norwood, MA.

Part of Medtronic Plc, Sherwood Medical Industries, Inc. is an American company.

Endius, Inc. develops spine surgery products, implants and techniques to treat spine diseases. The company was founded in 1992 and is headquartered in Plainville, MA.

Part of Giga-tronics, Inc., Ultracision, Inc. makes robotic equipment for the handling and inspection of silicon wafers. The company is based in Santa Clara, CA. The company was founded by Thomas W. Davison, Chuck G. Hadley. Ultracision was acquired by Giga-tronics, Inc. on December 10, 1997 for $5.24 million.

HistoSonics, Inc. develops medical devices. The company was founded by Christine Gibbons, Jim Bertolina, Zhen Xu, William Robert, Hall Timothy, J. Brian Fowlkes, Thomas W. Davison, and Charles Cain in November 2009 and is headquartered in Ann Arbor, MI.