A larynx replacement for installation in a patient's trachea comprises an air passage controlled by a valve. The valve is gas operated and sensing means are provided for detecting the presence of food or liquid in the patient's throat to close the valve, and in this way to prevent the passage of food or liquid beyond the replacement larynx.
申请公布号
US4274162(A)
申请公布日期
1981.06.23
申请号
US19790041960
申请日期
1979.05.23
申请人
JOY, MICHAEL;MOON, RICHARD E.;QUASHEM, ABUL;LO, ALEX;DAYAL, VIJAY S.
发明人
JOY, MICHAEL;MOON, RICHARD E.;QUASHEM, ABUL;LO, ALEX;DAYAL, VIJAY S.