Three part cup for packaging cleaning and sterilizing agents...

A - Human Necessities – 61 – L

Patent

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Details

A61L 2/18 (2006.01)

Patent

CA 2398911

A sequential delivery assembly (30) sequentially releases three different treatment materials into a fluid flow path (24) to form a treatment fluid with a composition which varies throughout a cleaning and microbial decontamination cycle. A chamber (12) receives items to be cleaned and decontaminated. A pump (22) pumps the treatment fluid from the sequential delivery assembly along a fluid flow line (24) to nozzles (16, 18) disposed within the chamber. The nozzles spray the treatment fluid over the items to be cleaned and decontaminated. The delivery assembly includes a well (34) for receiving a three compartment cup (44). The cup contains a first compartment (70) which includes a cleaning material (76), such as a detergent. A second compartment (72) contains pre-treatment materials (78), such as buffers and corrosion inhibitors, which prepare the system for receiving a microbial decontaminant (80), such as a concentrated solution of peracetic acid, contained in the third compartment (74). The sequential delivery assembly includes a cup cutter assembly (46, 230) which sequentially cuts base portions (90, 94, 118) of the three compartments to release the treatment materials into the fluid flow line. The system allows items to be cleaned and then microbially decontaminated in a single process, avoiding the need to handle potentially hazardous instruments between cleaning and decontamination steps and ensures thorough cleaning and decontamination of the instruments with measured doses of the treatment materials.

L'invention concerne un dispositif de distribution séquentielle (30) destiné à distribuer séquentiellement trois substances de traitement différentes dans un circuit d'écoulement (24) afin de former un fluide de traitement dont la composition varie au fur et à mesure du cycle de nettoyage et de décontamination microbienne. Une chambre (12) reçoit des articles à nettoyer et à décontaminer. Une pompe (22) pompe le fluide de traitement à partir du dispositif de distribution séquentielle le long d'un circuit d'écoulement (24) vers des buses (16, 18) situées dans la chambre. Ces buses diffusent le fluide de traitement sur les articles à nettoyer et à décontaminer. Le dispositif de distribution comprend un puits (34) destiné à recevoir un récipient à trois compartiments (44). Ce récipient comprend un premier compartiment (70) renfermant une substance de nettoyage (76), tel qu'un détergent. Un deuxième compartiment (72) contient une substance de prétraitement (78), tel que des solutions tampon et des inhibiteurs de corrosion, préparant le système à recevoir un décontaminant microbien (80), telle qu'une solution concentrée d'acide peracétique, contenue dans un troisième compartiment (74). Ce dispositif de distribution séquentielle comprend un organe de coupe (46, 230) qui coupe séquentiellement des parties de base (90, 94, 118) des trois compartiments afin de libérer les substances de traitement dans le circuit d'écoulement. Ce système permet le nettoyage et la décontamination microbienne d'articles dans un monoprocessus, ce qui permet d'éviter la manipulation d'instruments potentiellement dangereux entre les étapes de nettoyage et de décontamination afin d'assurer un nettoyage et une décontamination des instruments avec des doses mesurées de substances de traitement.

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