US 11,752,299 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 Jun. 2, 2021, as Appl. No. 17/337,350.
Application 17/337,350 is a continuation in part of application No. 17/108,838, filed on Dec. 1, 2020.
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 2021/0308419 A1, Oct. 7, 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 2202/0439 (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 and an opening placing an interior of the extension tube in fluid communication with an exterior of the extension tube;
an extension connector coupled to the proximal end of the extension tube;
an indicator assembly comprising:
a sealing member including a first side and a second side;
a wicking member including a first side, a second side, and a wicking tab, the first side of the wicking member being disposed against the second side of the sealing member and the wicking tab to be disposed within the opening of the extension tube; and
an indicator including a first side and a second side, the first side of the indicator being disposed against the second side of the wicking member such that the indicator is in fluid communication with the wicking member, with the wicking member being structurally configured to draw a liquid by capillary action to the indicator;
wherein the sealing member is at least partially clear to allow visual inspection of the indicator once the indicator assembly is coupled to the extension tube.