MRI SURGICAL SYSTEMS INCLUDING MRI-COMPATIBLE SURGICAL CANNULAS FOR TRANSFERRING A SUBSTANCE TO AND/OR FROM A PATIENT

A cannula (600) for transferring a substance to and/or from a patient, the cannula comprises a rigid, tubular support sleeve (610) defining a support sleeve lumen extending from a first opening at a proximal end of the support sleeve to a second opening at a distal end of the support sleeve. The sup...

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Bibliographische Detailangaben
1. Verfasser:	PIFERI, Peter
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEDICAL OR VETERINARY SCIENCE PHYSICS SURGERY TESTING
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Beschreibung
Zusammenfassung:	A cannula (600) for transferring a substance to and/or from a patient, the cannula comprises a rigid, tubular support sleeve (610) defining a support sleeve lumen extending from a first opening at a proximal end of the support sleeve to a second opening at a distal end of the support sleeve. The support sleeve (610) comprises a rigid, MRI-compatible material. A transfer tube (630) is disposed in the support sleeve lumen and extends beyond the distal end of the support sleeve to a distal end of the transfer tube. The transfer tube (630) defines a transfer tube lumen terminating at an opening at the distal end of the transfer tube. A conformal polymeric sleeve (640) surrounds at least a portion of the support sleeve (610) and at least a portion of the transfer tube (630). The conformal polymeric sleeve (640) includes a transitional section (644) extending from the distal end of the support sleeve (610) and over the transfer tube (630) in a direction toward the distal end of the transfer tube. The transitional section (644) tapers inwardly in the direction toward the distal end of the transfer tube (630).