apparatuses and methods for delivering one or more deliverables into a body are provided . in some embodiments , apparatuses for delivering one or more deliverables into a body are provided , the apparatuses comprising : a sheath ; an endoscope having a distal portion and a proximal portion and including a microfiberoptic disposed at the distal portion , said endoscope being capable of being inserted at least partially within the sheath , and capable of guiding insertion of the sheath into a configuration in the body ; and a catheter capable of being inserted into the sheath , and capable of delivering one or more deliverables to the location in the body based upon the configuration of the sheath ; wherein the inner diameter of the outer sheath is less than the sum of the outer diameter of the microfiberoptic and the outer diameter of the catheter .