Apparatus (1) for washing a bedridden patient comprises a basin (2) and a disposable water impermeable flexible liner (3) for lining a hollow interior region (5) of the basin (2). Retaining members (35) in retaining member accommodating recesses (37) located in corners (10) of the basin (2) engage engagement openings (30) formed in the liner (3) adjacent a peripheral upper edge (24) thereof and adjacent corners (27) of a peripheral wall (19) of the liner (3) for releasably securing and retaining the liner (3) to the basin (2). The basin (2) lined with the liner (3) is charged with water for washing the patient. On completion of washing, the liner (3) is removed from the basin (2) for disposal.