Abstract: Apparatuses (e.g., devices, systems, etc.) and methods that may provide access to one or more tools to a remote site in the body including expandable and external working channels that may be part of a tube that is coupled to an outer surface of an elongate medical device, such as an endoscope.

Abstract: A system and method for a more convenient and secure purchase transaction system using a mobile device associated with a user and a COIN financial instrument that is used as a payment instrument between the user and the merchant. The user and the merchant each sign up with the COINS payment transaction system to transmit and use the COIN to transfer a financial payment from an account the user has established with the COIN system to the account of the merchant. The COIN financial instrument is a one-time use financial construct that includes two or more validation and authentication data points, and that is renewed after each transaction with a new, never used COIN financial instrument.