US Patent 7841502 Modular clip applier

An apparatus for placement into an opening formed in a wall of a body lumen to deploy a closure element. The apparatus comprising a housing having a handle portion formed at a distal end, the handle portion configured to be engaged by a user when advancing the housing to deploy the closure element. A triggering element deploys the closure device and can at least be partially formed in the housing. A throw reducing mechanism can slide relative to the housing and reduce the distance a user must stretch a hand to move a triggering system within the housing. The housing can include, or be connected to, a handle member having one or more expansion members which expand to provide a stable base for manipulating the apparatus.