Universal hemostasis cannula

Abstract From the Canadian patent

i) Abstract of Disclosure, 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 provided 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 …