Pre-slit injection site and tapered cannula

Details Pre-slit injection site and tapered cannula Pre-slit injection site and tapered cannula

A - Human Necessities

61

M

128/93

A61M 39/00 (2006.01) A61J 1/20 (2006.01)

Patent

CA 1330412

ABSTRACT OF THE DISCLOSURE A pre-slit injection site includes a housing with a flow path therethrough. A first end of the housing carries a pre-slit septum. One form of a blunt cannula, usable with the injection site, carries a locking member. When the pre-slit injection site slidably receives the blunt cannula, the locking member latches to the injection site and creates a mechanically coupled unit. Another form of the cannula includes a tube having a tapered distal end region and having elongate discharge slots for reducing contact surface area and for directing the flow laterally out of the cannula. The cannula may also include a rounded lead post, an annular barb, and axially oriented grooves.

591672

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