The present invention discloses a device for introducing soft, short, catheter-cannula into a blood vessel. The device comprises a puncturing member and a connection member arranged at the rear end of the catheter cannula remote from the blood vessel. The device is easy to handle and the insertion of...http://www.google.co.uk/patents/US4581019?utm_source=gb-gplus-sharePatent US4581019 - Device for introducing a catheter-cannula into a blood vessel
