US Patent 7887478 Percutaneous gas-line

A percutaneous gas-line (10) for a medical device (14). The gas-line including a first gas-line part (10a) and a second gas-line part (10b). The first gas-line part (10a) is adapted to be wholly implanted in a patient and has a first end (10a′) adapted for sealing connection to the medical device (14) and a second end (10a″) with a connection fitting (20). The second gas-line part (10b) is adapted to be part-implanted and part-external and has a first (external) end (10b′) adapted for sealing connection to an external driver (12) and a second (implanted) end (10b″) adapted for removable sealing connection with the connection fitting (20) on the second end (10a″) of the first gas-line part (10a).