Complexe trocart-canule, canule et procede d’amenee de fluides en chirurgie a invasion minimale

Trocar-cannula complex, cannula and method for delivering fluids during minimally invasive surgery

Abstract

A fluid delivery cannula includes an expandable sleeve (200) that may itself comprise a cannula through which a needle (232), or trocar assembly (236) is inserted. At least one fluid passageway is defined, for example, in either the expandable sleeve (200) itself, or defined by the combination of the needle (232) or trocar assembly (236) and the expandable sleeve (200). Visual identifiers (244) are used with the fluid delivery cannula (200) to visually distinguish the location of the fluid passageway relative to an adjacent area.
Canule d’amenée de fluides, comportant un manchon expansible (200) pouvant lui-même comprendre une canule dans laquelle une aiguille (232), ou un élément à trocart (236) sont insérés. Au moins un passage à fluides est défini, par exemple, dans le manchon expansible (200) proprement dit ou dans l’ensemble constitué de l’aiguille (232) ou de l’élément à trocart (236) et du manchon expansible (200). Des indications visuelles (244) sont utilisées conjointement avec la canule d’amenée de fluides (200) pour établir visuellement la position du passage à fluides par rapport à une région adjacente.

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