Abstract: The embodiments disclosed herein relate to various medical device components, including components that can be incorporated into robotic and/or in vivo medical devices. Certain embodiments include various actuation system embodiments, including fluid actuation systems, drive train actuation systems, and motorless actuation systems. Additional embodiments include a reversibly lockable tube that can provide access for a medical device to a patient's cavity and further provides a reversible rigidity or stability during operation of the device. Further embodiments include various operational components for medical devices, including medical device arm mechanisms that have both axial and rotational movement while maintaining a relatively compact structure. medical device winch components, medical device biopsy/stapler/clamp mechanisms, and medical device adjustable focus mechanisms.

Abstract: Various robotic devices and related medical procedures are disclosed herein. Each of the various robotic devices have an agent delivery component. The devices include mobile robotic devices and fixed base robotic devices as disclosed herein. The agent delivery component can have at least one agent reservoir and a discharge component in fluidic communication with the at least one reservoir.