Abstract A loading assembly, can include a support tube configured to be disposed over a shaft of a delivery apparatus, a funnel member disposed over a first end portion of the support tube and configured to be disposed over at least a portion of a medical device, a first clamp member disposed over a portion of the funnel member, and a second clamp member disposed over a second end portion of the support tube. The funnel member can be axially advanced over a medical device, or the medical device can be retracted inside the funnel member to radially compresses the medical device.
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