A medical device with an expandable element and expandable tubular sleeve surrounding at least a portion of the expandable element which influences the rate, shape andor force required to expand the expandable element and methods for use in a body lumen are provided. The tray is adapted to move through the printzone during printing by the printhead on the sheet. Accordingly, the OLT may have fewer components and a simpler, more reliable and cost-effective design than a conventional OLT including discrete components. A bent portion and a resilient supporting portion are formed in the end portion of the skin layer to be inserted inside the recess. Also disclosed is a method of trapping tissue wholly within a suction tube thereby eliminating the need for a specimen trap container and a method of making a containerless tissue specimen trap.