A deployment and attachment device (DAD) comprising: a. deployment mechanism adapted to laterally deploy a patch； and, b. at least one glue dispensing system (GDS), in communication with said deploying mechanism and said patch, adapted to attach said patch to a biological tissue within a body cavity via a biological glue (119)； wherein said GDS comprising: i. at least one glue reservoir (GR) 116 adapted to accommodate glue 119； and, ii. at least one glue dispensing tube (GDT) (117), in communication with said GR (116), adapted to homogeneously disperse glue (119) along substantially the entire margins area of said patch, wherein said DAD comprises a distal portion, adapted to be inserted into the body and a proximal portion, located adjacent to the user, said distal portion and said proximal portion are interconnected along a main longitudinal axis via a tube (103), wherein said distal portion comprises at least two frame arms (FA) (104) comprising means to at least partially reversibly connect said patch (106) to said FA (104).
