Patent ID: 8663160
Filing Date: 2014-03-04
Classification: A61M,G01D

Abstract:
1. A device for indicating the presence of fluid in a portion of an infusion line, comprising: a housing positioned along the infusion line and having a hollow interior arranged for receiving a flow of the fluid when in use; a member located within said housing interior, having an exterior surface and being inaccessible to a user of the housing when the housing is in use; a microporous membrane that exhibits a first visual characteristic when dry and that exhibits a second visual characteristic when wet with the fluid, the microporous membrane being positioned within said interior of said housing and inaccessible to a user when the housing is in use, said microporous membrane covering at least a portion of said exterior surface; and wherein said exterior surface includes indicia that, upon said microporous membrane becoming wet with the fluid flowing into said hollow housing interior, becomes visible from an exterior of said housing through both said microporous membrane and said housing as the fluid flows from a first end of said housing to a second end.