US 12,070,538 B2
Drain apparatus for hemodialysis machines
Martin Joseph Crnkovich, Walnut Creek, CA (US); Colin Weaver, Pleasanton, CA (US); and David Yuds, Hudson, NH (US)
Assigned to Fresenius Medical Care Holdings, Inc., Waltham, MA (US)
Filed by Fresenius Medical Care Holdings, Inc., Waltham, MA (US)
Filed on Jan. 27, 2023, as Appl. No. 18/160,383.
Application 18/160,383 is a division of application No. 16/588,151, filed on Sep. 30, 2019, granted, now 11,596,721.
Prior Publication US 2023/0166015 A1, Jun. 1, 2023
Int. Cl. A61M 1/16 (2006.01); A61M 1/26 (2006.01); A61M 1/34 (2006.01); A61M 1/36 (2006.01)
CPC A61M 1/1621 (2014.02) [A61M 1/1601 (2014.02); A61M 1/1637 (2014.02); A61M 1/1686 (2013.01); A61M 1/169 (2013.01); A61M 1/267 (2014.02); A61M 1/3413 (2013.01); A61M 1/36225 (2022.05); A61M 1/3626 (2013.01); A61M 1/3627 (2013.01); A61M 2205/18 (2013.01); A61M 2205/3306 (2013.01); A61M 2205/3341 (2013.01); A61M 2205/3368 (2013.01); A61M 2205/3375 (2013.01); A61M 2205/3389 (2013.01); A61M 2205/505 (2013.01); A61M 2205/581 (2013.01); A61M 2205/7536 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method comprising:
emptying contents of a blood line set of a dialysis system into a chamber of a drain apparatus of the dialysis system;
closing a lid of the drain apparatus to seal the chamber of the drain apparatus;
flowing a disinfectant fluid through an inlet line of the drain apparatus from a dialysis machine of the dialysis system to the drain apparatus to at least partially fill the chamber of the drain apparatus with the disinfectant fluid; and
flowing the disinfectant fluid through an outlet line of the drain apparatus from the drain apparatus to a drain line of the dialysis machine.