Patent ID: 8343029
Filing Date: 2013-01-01
Classification: A61M

Abstract:
1. A cannula assembly for directing blood from a heart of a patient, comprising: a flexible cannula body including a proximal portion and a distal portion and a lumen therebetween; a unitary rigid tip coupled to the distal portion of the flexible cannula body; and a first anchor coupled with the unitary rigid tip and comprising a plurality of struts extending generally transverse to the lengthwise central axis of the flexible body, the first anchor configured to be deployed from a contracted state to an expanded state, wherein the first anchor is configured to engage at least one side of heart tissue in the expanded state and is operable to resist movement of the cannula assembly in a proximal direction along a lengthwise central axis of the flexible cannula body; and a second anchor coupled with the unitary rigid tip and located proximate to and spaced away from the first anchor, the second anchor operable to prevent movement of the cannula assembly in a distal direction.