Patent ID: 9586027
Date: 2017-03-07
CPC Classifications: A61M

Claim:
1. A modular system of intravenous catheters comprising a catheter assembly: a cannula assembly including a cannula and a cannula hub; a needle; a sleeve defining an internal cavity with an opening at a front end of the sleeve; a needle support attached to the needle at a rear portion of the needle, the needle support slidably mounted within the internal cavity of the sleeve for movement of the needle from an extended position to a retracted position, the needle support comprising a first engaging element and a second engaging element; and a retractor that applies a force to the needle support biasing the needle support toward the retracted position; and an activation hub selected from the group consisting of a first activation hub and a second activation hub: wherein the first activation hub is connected to the front end of the sleeve and comprises a manually actuated release mechanism that engages the first engaging element of the needle support to secure the needle support against the biasing force of the retractor; wherein the second activation hub is connected to the front end of the sleeve and comprises an automatically actuated release mechanism that engages the second engaging element of the needle support to secure the needle support against the biasing force of the retractor; and wherein the first activation hub and the second activation hub are interchangeably selected.