	US 11,690,504 B2
	Automated endoscope reprocessing unit with in-line peracetic acid sensor
Karl Cheng, Corona, CA (US); Shelly R. Michaels, Beaumont, CA (US); and William D. Michaels, Beaumont, CA (US)
Assigned to Medivators Inc., Minneapolis, MN (US)
Filed by Medivators Inc., Minneapolis, MN (US)
Filed on Apr. 15, 2020, as Appl. No. 16/849,635.
Claims priority of provisional application 62/836,906, filed on Apr. 22, 2019.
Prior Publication US 2020/0329957 A1, Oct. 22, 2020
Int. Cl. A61B 1/12 (2006.01); A61B 90/70 (2016.01); A61L 2/18 (2006.01); A61L 2/28 (2006.01); B08B 9/032 (2006.01)

CPC A61B 1/125 (2013.01) [A61B 1/123 (2013.01); A61B 90/70 (2016.02); A61L 2/186 (2013.01); A61L 2/28 (2013.01); B08B 9/0321 (2013.01); A61B 2090/701 (2016.02); A61B 2090/702 (2016.02); A61L 2202/14 (2013.01); A61L 2202/24 (2013.01)]

20 Claims

1. A process to disinfect an endoscope comprising:

attaching an endoscope to an automated endoscope reprocessing unit, wherein the endoscope has a lumen having a proximal end and a terminal end;

treating the endoscope lumen with a first peracetic acid and hydrogen peroxide solution by passing the peracetic acid and hydrogen peroxide solution through the proximal end of the endoscope through to the terminal end of the endoscope to provide a second peracetic acid and hydrogen peroxide solution;

expelling the second peracetic acid and hydrogen peroxide solution from the terminal end of the endoscope through the lumen; and

measuring the expelled peracetic acid and hydrogen peroxide content after treating the lumen to disinfect the endoscope with a sensor capable of measuring a concentration of the expelled peracetic acid or hydrogen peroxide solution and comparing the concentration of the expelled peracetic acid or hydrogen peroxide solution to a predetermined range.