A respirator, resuscitator, wrap or sheath, breathing mask or the like which provides a closely form-fitting shell adapted to be disposed adjacent a portion of a human body to form intermediate the shell and the human body portion a thin section, minimal volume pressure containment chamber which receives...http://www.google.de/patents/US5222478?utm_source=gb-gplus-sharePatent US5222478 - Apparatus for application of pressure to a human body
