Deployable tube apparatus for delivery of an elongate device and methods of use

A deployable tube apparatus, comprising:

• a flexible sheet material having longitudinal length, a first lateral margin, and a second lateral margin, the first and the second lateral margins extending along the longitudinal length, the sheet material being bendable between a laterally unfurled condition where the first and the second lateral margins are spaced from each other and a deployed tubular condition where the first and the second lateral margins are adjacent to each other to form a lumen, at least one of the first and second lateral margins comprising a fastener portion that selectively attaches the first and the second lateral margins;
• and
• a guide configured to fold the flexible sheet material from the laterally unfurled condition to the deployed tubular condition and to fasten the first and the second lateral margins.

A deployable tube apparatus for guiding an elongated flexible surgical instrument, the apparatus comprising:

• a flexible sheet material having a longitudinal length, a first lateral margin, and a second lateral margin, the first and the second lateral margins extending along the longitudinal length, the sheet material being deployable from a laterally unfurled condition with the first and the second lateral margins spaced from each other to a deployed tubular condition where the first and the second lateral margins are adjacent to each other to form a lumen arranged to provide lateral support to the elongated flexible surgical instrument, at least one of the first and second lateral margins comprising a fastener that selectively attaches the first and the second lateral margins;
• and
• a guide structurally arranged to selectively fasten and unfasten the fastener of said at least one of the first and the second lateral margins when the sheet material displaces past the guide, the guide being shaped to deform the sheet material between the laterally unfurled condition and the deployed tubular condition.