Patent ID: 11911581
Assignee: CONTROLLED DELIVERY SYSTEMS, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A method for closing a portion of a diseased vein in a patient, comprising:
accessing a portion of a venous vasculature of the patient with a balloon therapy device having a balloon:
advancing the balloon therapy device into a portion of the diseased vein;
forming a proximal end of a closure zone in the diseased vein by partially inflating the balloon to a mechanical treatment volume for engagement with an inner wall of the diseased vein;
while maintaining the balloon at the mechanical treatment volume, advancing the balloon therapy device along the diseased vein to a distal end of the closure zone;
inflating the balloon to occlude the diseased vein;
while occluding the diseased vein, aspirating a portion of fluid from within the closure zone;
injecting a closure agent into the closure zone; and
maintaining occlusion in the diseased vein until a closure agent dwell time has elapsed.