Abstract: Porous and microporous parts prepared by additive manufacturing as disclosed herein are useful in medical and non-medical applications. The parts are prepared from a composition containing both a solvent soluble component and a solvent insoluble component. After a part is printed by an additive manufacturing process it is exposed to solvent to extract solvent soluble component away front the printed part, resulting in a part having surface cavities.

Abstract: A conveyance device including a frame and at least one wheel coupled to the frame. The device further includes a storage compartment coupled to the frame, where the storage compartment has a pair of opposed side walls configured such that at least a portion of at least one side wall has an upper edge that is less than 49 inches above a bottom of the wheel to enable manual loading of the storage compartment. The conveyance device further includes a conveyor positioned in the storage compartment, wherein the conveyor is positioned to convey items in the storage compartment at least partially upwardly and out of the storage compartment.