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US 2026/0306133 A1Published application
Multiple cannula trocar assembly
AssigneeAlcon Inc.
InventorPaul R. Hallen
Life of this patent
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Abstract
A trocar assembly for eye surgery with a blade configured to accommodate multiple cannulas simultaneously. The blade may include one or more detents for retaining any cannulas in advance of cannula placement. Accommodating multiple cannulas in this manner facilitates new techniques for eye cannula placement in which trocar assembly disposal is minimized and efficiencies associated with tool change out for the surgery are enhanced.
Claims15
A trocar assembly for placement of multiple cannulas, the assembly comprising:
- a body of the assembly with a handle;
- a trocar blade extending from the body, the blade including at least one detent extending from an outer surface thereof;
- and a plurality of the cannulas about the trocar blade, wherein the at least one detent is sized to frictionally engage at least one cannula of the plurality of cannulas relative to the trocar blade as the trocar blade is inserted into a body to place the at least cannula in the body.
A method of positioning multiple cannulas to support a surgical procedure, the method comprising:
- penetrating a surface of the body at a first location with a trocar blade accommodating multiple cannulas;
- delivering a first cannula of the multiple cannulas from the blade to the first location;
- moving the trocar blade to another location;
- penetrating a surface of the body at the other location with the trocar blade;
- and delivering a second cannula of the multiple cannulas from the blade to the second location.
2 more elements
Dependencies are inferred from the claim text.