04909798 is referenced by 210 patents and cites 7 patents.

Disclosed herein is a hemostasis valve which is formed of a longitudinally extended valve housing having a first opening and a central longitudinal passage communicating with an opposite second opening. A cap means is providied for enclosing the first opening of the housing, said cap means having a hole to permit insertion of a catheter. Also provided is a one-piece seal means located within the longitudinally extended housing, said seal means comprising a sealing neck having a relatively small opening therein and communicating with a sealing chamber having opposing sealing exit lips which are both readily expandable to a diameter less than that of the valve housing upon insertion of a catheter.

Title
Universal hemostasis cannula
Application Number
7/120396
Publication Number
4909798
Application Date
November 12, 1987
Publication Date
March 20, 1990
Inventor
Mark D Krueger
Minneapolis
MN, US
Gregg S Sutton
Brooklyn Park
MN, US
John J Fleischhacker
Wayzata
MN, US
Agent
Donald L Cox
Assignee
Daig Corporation
MN, US
IPC
A61M 5/00
View Original Source