04758225 is referenced by 175 patents and cites 13 patents.

A device for use in the sampling or infusion of liquids from or to the human or animal body, comprising a chamber for receiving fluid, a cannula in communication with the chamber, at least one valve means operable in an open condition to connect the chamber with a source or drain of liquid and in a closed condition to seal the chamber therefrom, and chamber venting means allowing the escape of air from the chamber while preventing the escape of liquid therefrom.

Title
Devices for sampling, drainage or infusion of liquids from or to the human or animal body
Application Number
6/928883
Publication Number
4758225
Application Date
November 7, 1986
Publication Date
July 19, 1988
Inventor
Liakatali G H Parapia
Leeds
GB
Jeffrey A Cox
Keighley
GB
Agent
Fitch Even Tabin & Flannery
Assignee
Pharmacia
GB
IPC
A61M 5/00
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