A catheter device having an elongated tubular member with a proximal end and a distal end, and a needle disposed near the distal end. In one embodiment, the needle has a rigid, penetrating tip coupled to a flexible portion by an overlapping joint. The flexible portion enables the needle to bend to a...http://www.google.com/patents/US20050124977?utm_source=gb-gplus-sharePatent US20050124977 - Flexible polymer needle catheter
