Endoscopic devices, systems(100), and methods for performing a diagnostic and/or therapeutic action are disclosed. The system(100) may comprise an elongated main body(130) having a first end(130a). The system(100) may further comprise an anchor assembly(120) attached to the main body(130) near the first end(130a) of the main body(130). The anchor assembly(120) may comprise a first expandable member(122a). The first expandable member(122a) may be configurable to expand radially away from the main body(130). The anchor assembly(120) may further comprise a second expandable member(124a) provided between the first expandable member(122a) and the first end(130a) of the main body(130). The second expandable member(124a) may be configurable to expand radially away from the main body(130). The anchor assembly(120) may be operable to secure the main body(130) with respect to an interior wall forming the cavity of the patient.
