Document Type and Number:
Japanese Patent JPS5241594
Kind Code:
B2
Abstract:
An infusion cannula assembly has a mounting sleeve made from a thermoplastic material and having inside in the order mentioned a cylindrical mouth channel, a cylindrical mounting chamber with a diameter greater than that of the mouth channel, a connection chamber with a diameter greater than that of the mounting chamber, and an inwardly protruding snap collar, and an end section of a flexible cylindrical cannula tube, made from a polymer having a low friction coefficient extends through said mouth channel into said mounting chamber and is fastened to the mounting sleeve by being expanded into engagement with the circumferential wall of said mounting chamber by means of a tubular metal insert inserted in the cannula tube and having an outwardly directed end flange which abuts the cannula tube and is positioned between said snap collar and an annular shoulder at the merging point between said mounting chamber and said connection chamber, said end flange being movable past said snap collar with snapping action.
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Application Number:
JP9135172A
Publication Date:
October 19, 1977
Filing Date:
September 13, 1972
Export Citation:
International Classes:
F16L33/22; A61M25/00; A61M39/00; A61M39/02; (IPC1-7): A61M3/00; A61M1/02; A61M25/00; F16L33/22