Bronchoscopic repair of air leaks in a lung
First Claim
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1. A system for treating the lung, the system comprising:
- a balloon catheter;
a delivery catheter having a distal end and a proximal end; and
a bronchial device configured to transition between a stored configuration and a deployed configuration, the bronchial device configured to fit within a distal portion of the delivery catheter when in the stored configuration, the bronchial device comprising;
an occlusion portion, the occlusion portion obstructing airflow in an airway in an inhalation direction when the bronchial device is deployed in the airway, the occlusion portion having an open proximal end and a closed distal end; and
an anchor portion connected to the distal end of the occlusion portion, the anchor portion including a plurality of anchors extending in a distal direction from an anchor hub, each of the plurality of anchors having a flattened shape and bifurcated into a piercing tip and an anchor stop, the anchor stop configured to limit a depth to which the piercing tip pierces a wall of the airway in which the bronchial device is deployed.
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Abstract
Systems and devices for minimally invasively treating an air leak in a lung comprise the steps of detecting an air leak in a lung; locating an airway in fluid communication with the air leak, introducing a bronchoscope into a patient'"'"'s airway to a position adjacent the target section and occluding an airway upstream of the air leak for a period of time. The airway occlusion device is preferably removed after the air leak has substantially permanently healed. The occluding device may be a one-way valve. The occluding device may also comprise strut members and anchors that penetrate an airway wall.
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Citations
19 Claims
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1. A system for treating the lung, the system comprising:
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a balloon catheter; a delivery catheter having a distal end and a proximal end; and a bronchial device configured to transition between a stored configuration and a deployed configuration, the bronchial device configured to fit within a distal portion of the delivery catheter when in the stored configuration, the bronchial device comprising; an occlusion portion, the occlusion portion obstructing airflow in an airway in an inhalation direction when the bronchial device is deployed in the airway, the occlusion portion having an open proximal end and a closed distal end; and an anchor portion connected to the distal end of the occlusion portion, the anchor portion including a plurality of anchors extending in a distal direction from an anchor hub, each of the plurality of anchors having a flattened shape and bifurcated into a piercing tip and an anchor stop, the anchor stop configured to limit a depth to which the piercing tip pierces a wall of the airway in which the bronchial device is deployed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of treating an air leak within a lung, the method comprising:
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guiding a balloon catheter to a first airway within the lung, the balloon catheter configured to occlude an airway in the lung when in an inflated configuration; occluding the first airway while measuring the diameter of the first airway; recording a change in air leak rate correlating to the occluding of the first airway; repeating the guiding, occluding, measuring, and recording steps in other airways until a target airway is identified; and deploying a one-way valve in the target airway to occlude inspiratory airflow in the target airway. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification