A toilet seat adapter device that is configured to be positioned on a rear section of a standard toilet seat in order to reduce the size of the seat opening. The adapter has a main body that is configured to be seated within the toilet seat opening. A first pair of movable arms extend form the right side of the main body and a second pair of movable arms extend form the left side of the main body. Each pair of movable arms terminate in clamp or similar gripping interface to capture a toilet seat and maintain the main body securely positioned on the toilet. The pairs of movable arms may be secured at any of various points to allow a user to apply the adapter to any of various sized toilet seats. One more LEDs may be encapsulated in or embedded on the toilet seat adapter.

A system and a method for a seat apparatus (100, 400) comprising a base (102); a seat (106), wherein the seat (106) is moveably connected to the base (102) such that the seat (106) is rotatable relative to the base (102); a locking assembly (300, 500) associated with the seat (106), the locking assembly (300, 500) configured to lock the seat (106) in one or more positions relative to the base (102); the locking assembly (300, 500) comprising a trigger (302, 502) that is manually actuable by a user; wherein the seat (106) is unlocked when the trigger (302, 502) is actuated, to allow the seat (106) to rotate relative to the base (102).

An adjustable backrest for a conventional toilet includes a panel having a plurality of spaced, internally threaded sleeves embedded within a rear surface. Threadedly received within each sleeve is a mounting bolt with a disc at a distal end. The discs slide within retainers on a mounting sheet adhesively attached to the lid. Accordingly, the panel provides a backrest adjacent the rear end of a toilet-seat opening to accommodate smaller users.

An adjustable backrest for a conventional toilet includes a panel having a plurality of spaced, internally threaded sleeves embedded within a rear surface. Threadedly received within each sleeve is a mounting bolt with a disc at a distal end. The discs slide within retainers on a mounting sheet adhesively attached to the lid. Accordingly, the panel provides a backrest adjacent the rear end of a toilet-seat opening to accommodate smaller users.