Patent ID: 6193751
Filing Date: 2001-02-27
Classification: A61F,A61M

Abstract:
A valve for assisting breathing and vocalization, comprising:a tubular housing with an inner end for being attached to a respiratory system of a patient, said housing having an outer end;an inner aperture arranged at said inner end of said housing;an outer aperture arranged at said outer end of said housing; anda piston positioned within said housing, said piston comprising a disc and a ring, said ring extending forwardly from said disc toward said outer end, said piston being movable with a linear sliding motion between an open position away from said inner aperture and said outer aperture, and a closed position in engagement against said outer end, said piston enabling airflow between said inner aperture and said outer aperture when in said open position so as to enable breathing, said piston blocking airflow through said outer aperture when in said closed position so as to enable vocalization.