A medical device system for modifying a left atrial appendage ("LAA") of a heart, the medical device system comprising: a sheath having a length and defining a sheath lumen extending through the length of the sheath; and a delivery system including a delivery catheter extending between a proximal end and a distal end, a handle coupled to the proximal end of the delivery catheter, with actuation of the handle being configured to actuate an actuator shaft of the delivery catheter, and a medical device, operatively coupled to the handle and coupled to the distal end of the delivery catheter, the medical device comprising: a hub, including a bore defining an axis; an occluder portion, coupled to the hub, the occluder portion configured to be moved to an occluder non-deployed position with the occluder portion within a distal portion of the sheath, and the occluder portion configured to be moved to an occluder deployed position upon the sheath being moved proximally relative to the occluder portion; and an anchor portion, extending between a first end and a second end, the first end configured to be operatively coupled to the handle, the second end configured to be coupled to the occluder portion,, wherein, upon the occluder portion being in the occluder deployed position, the anchor portion is configured to move relative to the occluder portion between an anchor non-deployed position and an anchor deployed position characterized in that the delivery catheter further comprises: multiple fingers extending distally from the distal end of the delivery catheter, the multiple fingers extending over the actuator shaft so that the multiple fingers maintain a latched position to the hub,. a sheath having a length and defining a sheath lumen extending through the length of the sheath; and a delivery system including a delivery catheter extending between a proximal end and a distal end, a handle coupled to the proximal end of the delivery catheter, with actuation of the handle being configured to actuate an actuator shaft of the delivery catheter, and a medical device, operatively coupled to the handle and coupled to the distal end of the delivery catheter, the medical device comprising: a hub, including a bore defining an axis; an occluder portion, coupled to the hub, the occluder portion configured to be moved to an occluder non-deployed position with the occluder portion within a distal portion of the sheath, and the occluder portion configured to be moved to an occluder deployed position upon the sheath being moved proximally relative to the occluder portion; and an anchor portion, extending between a first end and a second end, the first end configured to be operatively coupled to the handle, the second end configured to be coupled to the occluder portion,, wherein, upon the occluder portion being in the occluder deployed position, the anchor portion is configured to move relative to the occluder portion between an anchor non-deployed position and an anchor deployed position a hub, including a bore defining an axis; an occluder portion, coupled to the hub, the occluder portion configured to be moved to an occluder non-deployed position with the occluder portion within a distal portion of the sheath, and the occluder portion configured to be moved to an occluder deployed position upon the sheath being moved proximally relative to the occluder portion; and an anchor portion, extending between a first end and a second end, the first end configured to be operatively coupled to the handle, the second end configured to be coupled to the occluder portion,, wherein, upon the occluder portion being in the occluder deployed position, the anchor portion is configured to move relative to the occluder portion between an anchor non-deployed position and an anchor deployed position characterized in that the delivery catheter further comprises: multiple fingers extending distally from the distal end of the delivery catheter, the multiple fingers extending over the actuator shaft so that the multiple fingers maintain a latched position to the hub,.