A thrombectomy catheter device having an improved hemostasis valve which is self-sealing and which functions as a one-way valve. The self-sealing hemostasis valve can be factory preset to automatically seal with or without the inclusion of a guidewire at a certain desired pressure or allowable leakage....http://www.google.com/patents/US20040210194?utm_source=gb-gplus-sharePatent US20040210194 - Thrombectomy catheter device having a self-sealing hemostasis valve
