ACTIVE PHARYNGOESOPHAGEAL PROSTHESIS

The invention relates to an active implantable pharyngoesophageal prosthesis, meant to replace the esophagus in any patient who underwent a hypo-pharyngeal and cervical esophagus neoplasm surgery, total circular pharyngolaryngectomy or severe esophageal stenosis surgery. According to the invention,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BERTEŞTEANU ŞERBAN VIFOR GABRIEL, POPESCU BOGDAN, DOGARIU CONSTANTIN, POPESCU CRISTIAN RADU, GRIGORE RALUCA
Format:	Patent
Sprache:	eng ; rum
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	The invention relates to an active implantable pharyngoesophageal prosthesis, meant to replace the esophagus in any patient who underwent a hypo-pharyngeal and cervical esophagus neoplasm surgery, total circular pharyngolaryngectomy or severe esophageal stenosis surgery. According to the invention, the prosthesis has a tubular body consisting of two concentric tubes (), an exterior one and an interior one, respectively, an interior space () therebetween being occupied by 17...20 artificial muscles () which are fixed on the interior wall of the exterior tube () and on the exterior wall of the interior tube () and which may be grouped in 3...4 groups of 5, the exterior wall being made of a biocompatible relatively rigid synthetic material while the interior wall is made of a biocompatible elastic material of smooth internal surface