A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/06 (2006.01) A61M 5/32 (2006.01)
Patent
CA 2043306
ABSTRACT To protect against accidental needle prick a catheter and insertion device are provided wherein the needle is retractable within the device after insertion of the catheter. The device comprises a hollow barrel or tube of semi-rigid plastic material into which the needle can be retracted after use. The insertion needle is mounted on a carrier with the sharp end oriented toward an open insertion end of the barrel with the catheter snugly fit about the needle. A sliding tab is mounted to the carrier by an outwardly biased flexible member and extends through a longitudinal slot in the barrel. Near either end of the slot V notches are provided in the internal wall of the barrel to engage locking hubs on the sliding tab to releasably lock the carrier in either the exposed or retracted position. A flat catheter locking surface is provided at the insertion of the barrel with a reverse slope to allow the catheter flange to slide onto the flat surface and allow easy retraction of the needle without disturbing the inserted catheter.
Haining Michael L.
Swabey Ogilvy Renault
LandOfFree
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