Patent ID: 11890044
Assignee: ST. JUDE MEDICAL, CARDIOLOGY DIVISION, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 15:
16. A dual-layer ablation balloon comprising:
an inner balloon including an internal cavity configured and arranged to receive a cryogenic fluid in a liquid state and to facilitate a state transfer of the cryogenic into a gaseous state;
an outer balloon that encapsulates the inner balloon;
an interstitial space between the inner and outer balloons;
an adaptor that mechanically couples the inner and outer balloons to a catheter shaft, and radially and longitudinally offsets proximal portions of the inner and outer balloons, wherein the adaptor is configured to be circumferentially positioned within a catheter shaft; and
a spacer coupled between proximal portions of the inner and outer balloons, at least a portion of the spacer surrounding the adapter.