Abstract: An improved venetian blind for controlling the amount of light which passes through an opening. The venetian blind of the present invention includes a control housing mounted substantially adjacent to an opening, means for selectively limiting the amount of fight passing through a first region of the opening, and means for selectively limiting the amount of light passing through a second region of the opening. Various embodiments of the invention are illustrated.

Abstract: A method and apparatus is disclosed for catheterization of a urinary tract through an urethra containing infectious agents, which apparatus including a catheter tube disposed within a two-piece subassembly including a semi-rigid funnel member and a removable cover member, the combination serving to substantially reduce the incidence of infection upon the insertion of the catheter into the bladder.