CANNULA WITH FLOW DIVERSION MECHANISM

A cannula is described that includes a diverter mechanism in the form of a diffusion surface deployable from within the lumen of the cannula and retractable from the lumen of the cannula. The diffusion surface may take the form of a planar surface, a curved surface, a membrane mounted on a wire ring...

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Bibliographische Detailangaben
Hauptverfasser:	LILLY, RICHARD, S, MURPHY, RICHARD, O
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS 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 DIAGNOSIS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SURGERY TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A cannula is described that includes a diverter mechanism in the form of a diffusion surface deployable from within the lumen of the cannula and retractable from the lumen of the cannula. The diffusion surface may take the form of a planar surface, a curved surface, a membrane mounted on a wire ring, or a conical sleeve, or any other suitable shape. In use, the cannula is inserted in a vessel, the diffusion surface is deployed in the lumen of the cannula beyond the distal end of the cannula, and blood flow is passed through the cannula and against the diffusion surface. Alternative devices and methods are also described.