Sterile port structure

Details Sterile port structure Sterile port structure

1976-02-09

1978-09-19

Hart, Ro E.

Purses, wallets, and protective covers

Protective cover made of flaccid material

For a racquet

138 89, 138 893, F16L 5510

Patent

active

041146697

ABSTRACT:
A port structure for passing sterile fluids or other biological material, and a method for making the same is disclosed. The port structure includes a flexible sleeve having a rigid thermoplastic tube secured therein. The outer surface of the sleeve has greater thermoplastic properties than the inner surface, enabling the sleeve to be heat sealed to the fluid passage means without sealing off the inner surface. The rigid tube has a free end extending outside the sleeve, having a thermoplastic diaphragm which seals off the free end. When a sterile connection between two fluid passage means incorporating the port structure is desired, the free ends of each rigid tube are aligned and softened, and each thermoplastic diaphragm is opened. The free ends of the rigid tubes are then brought into contact and held in position under a slight pressure while the thermoplastic tubes cool and solidify, thereby creating a permanent connection.

REFERENCES:
patent: 2229379 (1944-01-01), Keefe
patent: 2424802 (1947-07-01), Crowley
patent: 2588306 (1952-03-01), Taylor
patent: 2712384 (1955-07-01), Corneil
patent: 2901161 (1959-08-01), Henchert
patent: 3201136 (1965-08-01), Harrison
patent: 3992570 (1976-11-01), Beinhaur
patent: 4021907 (1977-05-01), Zondag

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