Voice prosthesis device

摘要: A low pressure prosthesis device includes a housing having proximal end with one or more retainers extending outwardly from the end, distal and port operatively cooperating tracheostoma in neck of patient. The further one-way valve structure comprising seat positioned between membrane hingedly mounted within to cooperate provide structure. second retainer form an annular collar extends is abut against esophagus tissue when has been fistula connecting tracheostoma. movable closed opened position air passes through produce alaryngeal speech sounds