US 11,752,298 B2
Self-intermittent urinary catheter extension with infection detection, a catheter assembly having an extension with infection detection and a catheter assembly having infection detection
Christine McDunnough, Fenton, MI (US); William Vickers, Holly, MI (US); and William Medsker, Lawton, MI (US)
Assigned to Advocath LLC, Fenton, MI (US)
Filed by Advocath LLC, Fenton, MI (US)
Filed on Dec. 1, 2020, as Appl. No. 17/108,838.
Claims priority of provisional application 63/042,770, filed on Jun. 23, 2020.
Claims priority of provisional application 62/948,304, filed on Dec. 15, 2019.
Prior Publication US 2021/0178117 A1, Jun. 17, 2021
Int. Cl. A61M 25/00 (2006.01); A61M 39/10 (2006.01)
CPC A61M 25/0023 (2013.01) [A61M 39/10 (2013.01); A61M 2205/584 (2013.01)] 20 Claims
OG exemplary drawing
1. An extension assembly for a catheter, the extension assembly comprising:
an extension tube having a proximal end and a distal end, the extension tube having an inner bore;
an extension connector having a body with a central bore, with the proximal end of the extension tube coupled to a first end of the body, the extension connector further including:
at least one slot disposed in the body defined by lower end wall and upstanding walls extending axially outwardly therefrom, terminating at an upper opening; and
at least one radial passage extending from the central bore to the at least one slot; and
an indicator assembly having:
an indicator with a top surface, a bottom surface and an edge, the indicator structurally configured to change color in the presence of a chemical indicative of a bladder infection;
a wicking member having an indicator contact portion and a flow contact portion, with the flow contact portion being in fluid communication with the at least one radial passage and the indicator contact portion being in contact with one of the top surface, the bottom surface and the edge of the indicator, with the wicking member being positioned between the radial passage and the indicator, and with the wicking member being structurally configured to draw a liquid by capillary action to the indicator.