Embodiments of the invention include a cap for a medical device. The cap includes a body defining a cavity configured to accommodate at least a portion of an end effector assembly of the medical device, and a tissue removal portion attached to the body and configured to remove a tissue sample disposed within the end effector assembly when the cavity is not accommodating the end effector assembly. Embodiments of the invention also may include a medical kit including a medical device and a cap and a method of performing a medical procedure with the cap.