US Patent 8075580 Device, system and method for interstitial transvascular intervention

Devices, systems and methods for transvascular interstitial interventions, including transvascular, catheter based vascular bypass, transmyocardial revascularization, bypass grafting of blood vessels, and interstitial surgical/interventional procedures wherein a catheter is advanced translumenally through the vasculature to a desired location and an operative instrument is passed through the wall of a blood vessel and to a target location (e.g. another blood vessel, an organ, a tumor, another anatomical structure) such that one or more operative devices may be advanced to the target location to perform the desired operative or interventional procedure.