Patent ID: 11896814
Assignee: HEARTWARE, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 16:
17. A system, comprising:
an attachment device including:
a sewing ring frame; and
a locking element movably mounted to a first surface of the sewing ring frame, the locking element including:
a spring biasing element projecting from an outer surface of the sewing ring frame;
a slide;
at least one guide member overlapping the slide;
a tab disposed on the slide; and
a locking pin disposed between the slide and the sewing ring frame, the spring biasing element being movably coupled to the locking pin and the slide, and the spring biasing element being transitionable between a first configuration in which the tab is in an engaged position to a second configuration in which the tab is in a disengaged position; and

a Ventricular Assist Device (VAD), including:
an inflow cannula having a plurality of detents circumferentially disposed around a proximal portion of the inflow cannula, the tab being configured to lockingly engage the plurality of detents to lock the VAD to the attachment device, the engagement of the tab and the plurality of detents preventing rotational displacement of the VAD,

wherein tab is configured to lockingly engage the plurality of detents in the engaged position, and
wherein the tab is configured to disengage from the plurality of detents in the disengaged position.