Shure also manufactured specialized headsets and the MC-1 oxygen mask microphone. Simpson was not breathing even in an oxygen mask. She travels to Tangier and finds Lehmans, who requires an oxygen mask to breathe. She ended some of her on-stage engagements being treated with an oxygen mask. In 2003, the HiOx oxygen mask was released for sale. An oxygen mask is provided for each station. He had to be taken to the hospital right after with an oxygen mask on. While Chuck uses an oxygen mask, Dan's humanity is slowly restored. He tried to take off the oxygen mask but the doctors kept replacing it. His oxygen mask is around face, but bottle is empty. A video of him in the hospital showed him using an oxygen mask to breathe. Hoses or tubing connect an oxygen mask to the oxygen supply. With an oxygen mask, the police manage to save Wong from a coma. She is wearing an oxygen mask and is bound to the bed. Other designs include the ISO- oxygen mask, the FloMax oxygen mask, and the O-Mask.