Becton, Dickinson and Company
Collapse-resistant swellable catheter

Abstract:

An infusion system comprising a base, a pump, a fluid tubing set that connects the pump and the base, and a collapse-resistant catheter extending from the base and comprising a swellable inner element including one or more indents, and a non-swellable flexible outer sleeve covering an outer wall of the inner element, wherein when the swellable inner element absorbs liquid, the swellable inner element swells and the one or more indents control a direction of the swelling by causing the swellable inner element to fold inwardly.