Patent ID: 9364358
Filing Date: 2016-06-14
CPC Classification: A61F

Claim Text:
1. A catheter system having a distal end and a proximal end, the catheter system comprising: an inner tube having a first lumen; an outer tube having a second lumen, wherein said inner tube extends through said second lumen; a retractable sleeve structure positioned between the inner tube and outer tube, said retractable sleeve structure comprising a middle tube and a sleeve tip, said sleeve tip having a first configuration wherein an intravascular device is fully enveloped by said sleeve tip in said first configuration and a second configuration after deployment of said intravascular device, wherein said sleeve tip has an axial length in said first configuration and two times said axial length in said second configuration; and a housing structure at the proximal end of said catheter system, said housing structure having a distal end comprising a distal opening and a proximal end comprising a proximal opening, wherein said inner tube is affixed to the proximal opening of said housing structure; wherein said retractable sleeve structure and said inner tube form a sealed chamber.