SPRING-BALL VALVE FOR VOICE PROSTHESIS

A voice prosthesis that is formed of a soft, elastomeric body containing a spring loaded ball valve, preferably a non-impervious, smooth ball such as a ruby ball biased by a flat helical spring against a seat mounted in a rigid cartridge. An insertion device includes a handle with expandable tip whi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	EDMUND, V. SEDER, MITCHELL, A. SOLIS
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ENGINEERING ELEMENTS AND UNITS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES HYGIENE LIGHTING MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES THERMAL INSULATION IN GENERAL TREATMENT OR PROTECTION OF EYES OR EARS WEAPONS
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Beschreibung
Zusammenfassung:	A voice prosthesis that is formed of a soft, elastomeric body containing a spring loaded ball valve, preferably a non-impervious, smooth ball such as a ruby ball biased by a flat helical spring against a seat mounted in a rigid cartridge. An insertion device includes a handle with expandable tip which enters and locks within the cartridge.