Flow and delivery apparatus
AssigneeCoraflo Ltd.
InventorLudwig K. Von Segesser
Life of this patent
Estimating the term…
Abstract
A cannula and a method of using a cannula are disclosed. The cannula include a first portion having an interior lumen, a narrow portion coupled to the first portion and having an interior lumen, an expandable portion having an interior lumen and being coupled to the narrow portion, and a tip being disposed at a distal end of the expandable portion. The expandable portion is being capable of having an expanded configuration and a collapsed configuration. The interior lumens of the first portion, the narrow portion, and the expandable portion are communicatively coupled to allow passage of at least one of a fluid, a powder, a gas, an object, and a device.
Claims52
An apparatus, comprising:
- a first portion having a first interior lumen;
- a narrow portion coupled to the first portion and having a second interior lumen, wherein a diameter of the narrow portion is smaller than a diameter of the first portion;
- an expandable portion having a third interior lumen and being coupled to the narrow portion, the expandable portion being capable of having an expanded configuration and a collapsed configuration;
- and
- a tip being disposed at a distal end of the expandable portion;
- wherein the interior lumens of the first portion, the narrow portion, and the expandable portion are communicatively coupled to allow passage of at least one of a fluid, a powder, a gas, an object, and a device;
- wherein the narrow portion, the expandable portion, and the tip are separately self-expanding;
- wherein the tip includes at least one orifice.
Dependencies are inferred from the claim text.