Carbylan Biosurgery Patents

Patent portfolio assigned to Carbylan Biosurgery (verified via public assignee records). Palo Alto CA medical device firm (hyaluronic-acid viscosupplements Hydros/Hydros-TA for knee osteoarthritis); merged into KalVista Pharmaceuticals 2015. Core patent US 7,829,118 issued (BioSpace) and US8790702B2 (Google Patents). Competitors are the viscosupplements its trials were benchmarked against; no named end customers (clinical-stage).