Patent ID: 9539385
Date: 2017-01-10
CPC Classifications: A61M

Claim:
1. An infusion device for infusion of a fluid from a reservoir into a body, the infusion device being connectable to an infusion set adaptor, the infusion device comprising: a drive mechanism for operatively coupling with at least a portion of the reservoir; a housing comprising two or more compartments, at least one being configured to contain at least a portion of the reservoir and another configured to at least partially or fully contain the drive mechanism; a sealing device configured to permit passage of air into and out of a first compartment of or within the housing and to inhibit passage of liquids through the sealing device between the first compartment and a neighboring compartment of or within the housing; a connecting site for operatively coupling the infusion set adaptor; wherein the sealing device is arranged at a location between the first compartment and the neighboring compartment and such location is part of a path for movement of air between compartments of or within the housing whereby such movement equalizes pressure between such compartments.