Cryoblation catheter handle

A catheter system comprising:

• a first connector having a proximal end, a distal end, a first fluid flow path, and a second fluid flow path;
• a second connector having a proximal end, a distal end, a first fluid flow path, and a second fluid flow path, wherein the distal end of the first connector is matable with the proximal end of the second connector in fluid communication;
• a flexible catheter having a proximal end, a distal end, a first fluid flow path, and a second fluid flow path, wherein the distal end of the second connector is matable with the proximal end of the catheter to place the respective first and second fluid flow paths of the second connector and the catheter in fluid communication;
• a pressure sensor in communication with one of the first and second fluid flow paths,
• wherein the first fluid flow path is defined by a refrigerant supply tube and the second fluid flow path is defined by a fluid exhaust tube,
• wherein the refrigerant supply tube is in fluid communication with a vacuum source.

A catheter system comprising:

• a source of a fluid refrigerant,
• a handle having:
• a proximal connector coupled to said source, said proximal connector having first and second fluid flow pathways,
• a distal connector having first and second fluid flow pathways, and
• a steering element,
• a flexible catheter having a proximal end portion, a distal end portion, and first and second fluid flow pathways, and
• a coupling means for detaching and for mating the proximal connector from and to the distal connector, respectively.