US Patent 11944765 Transseptal puncture device and method of use

A transseptal puncture system that includes a needle member that includes a distal end, a proximal end and defines a first lumen therethrough, a dilator that includes a distal end, a proximal end and defines a second lumen therethrough, a sheath that includes a distal end, a proximal end and defines a third lumen therethrough, a needle control device that is configured to move the needle member a predetermined distance from a stowed position to a deployed position and a guidewire that includes a distal end and a proximal end and is movable within the first lumen. The needle member is movable within the second lumen and the distal end of the needle member is configured to puncture the septum. The dilator is movable within the third lumen.