Portfolio Companies
Medical Technology


AngioScore develops, manufactures and markets the AngioSculpt Scoring Balloon Catheter for both coronary and peripheral interventions. The AngioSculpt specifically addresses the limitations of conventional angioplasty balloon catheters and provides a safe, efficacious and broadly applicable interventional tool.
Gamma Medica-Ideas (GMI) develops, manufactures, and markets fully digital medical imaging systems which improve patient health through early diagnosis of disease and improved patient treatment. GMI is dedicated to leading medical imaging into a new digital era with its unique sensor readout systems.
Mauna Kea Technologies develops and markets Cellvizio®, the world's smallest and most flexible microscope and the first system designed to provide live, real-time images of internal human tissues at the cellular level during endoscopic procedures. Cellvizio® is currently being used in the fields of Gastroenterology, Pulmonology, and Urology.

OmniGuide makes and markets the world’s most precise optical scalpels for minimally invasive surgery. OmniGuide brings surgeons the precision of CO2 laser surgery, in an intuitive, flexible form, enabling precision surgery in the fields of Neurosurgery, Otolaryngology, Gynecology, Urology and Gastroenterology.



Acuity Pharmaceuticals, Inc. was a specialty pharmaceutical company focusing on the treatment of ophthalmic diseases. Merged with Opko Health in March 2007; the Psilos position was successfully exited in 2008.
Cohesive Technologies Inc. provided liquid chromatography solutions for the drug discovery, pharmaceutical, contract research, and clinical diagnostic industries. Acquired by Thermo Fisher Scientific in December 2006.
InSound Medical, Inc. manufactured and marketed the Lyric® hearing aid, the first and only completely invisible extended wear hearing device. Exited by sale to Sonova in January 2010.
Valera Pharmaceuticals, Inc. focused on the development and the acquisition of novel therapeutics for the urology and endocrinology specialties. Acquired by Indevus Pharmaceuticals, Inc. in April 2007.
VersaMed Corporation developed and marketed a next generation, computer-based respiratory ventilator, the iVent201, which offers many advantages over comparable mechanical ventilators. Acquired by GE Healthcare in March 2008.