Elongated Lung Volume Reduction Devices, Methods, and Systems
First Claim
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1. A method for treating a lung of a patient, the lung including an airway system having a plurality of branching airways, the method comprising:
- advancing an implant through the airway system, the implant having an elongate length;
deploying a distal portion of the implant within the airway system so that the distal portion engages an airway; and
progressively deploying the implant proximally of the distal portion while a proximal end of the implant advances distally relative to the adjacent airway system so as to inhibit axial loading between the implant and the airway when the implant compresses lung tissue along the length of the implant.
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Abstract
A lung volume reduction system is disclosed comprising an elongate implantable device adapted to be delivered to a lung airway of a patient in a delivery configuration and to change to a deployed configuration to compress lung tissue. The implant may be longer in axial length than an axial length of the target axial region in which it is deployed. Deployment may involve allowing an end of the implant to move relative to surrounding tissue while the implant is progressively deployed.
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Citations
11 Claims
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1. A method for treating a lung of a patient, the lung including an airway system having a plurality of branching airways, the method comprising:
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advancing an implant through the airway system, the implant having an elongate length; deploying a distal portion of the implant within the airway system so that the distal portion engages an airway; and progressively deploying the implant proximally of the distal portion while a proximal end of the implant advances distally relative to the adjacent airway system so as to inhibit axial loading between the implant and the airway when the implant compresses lung tissue along the length of the implant. - View Dependent Claims (2, 3, 4)
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5. A system for treating a lung of a patient, the lung including an airway system having a plurality of branching airways, the system comprising:
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a catheter having a proximal end and a distal end with a lumen therebetween, the distal end of the catheter advanceable through the airway system; an implant receivable by the lumen, the implant comprising an elongate body having a distal portion and a proximal portion adjacent a proximal end of the implant, the distal portion biased so that retraction of the distal end of the catheter from the distal portion of the implant releases the distal portion to engage the airway, the proximal end of the implant advanceable distally relative to the airway while the catheter is withdrawn proximally from the proximal portion of the implant. - View Dependent Claims (6, 7, 8)
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9. An implant for treating a lung of a patient, the lung including an airway system having a plurality of branching airways, the implant comprising:
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an elongate body advanceable through the airway system, the body having a proximal end and a distal end; autramatic surfaces disposed adjacent the distal and proximal ends of the elongate body so as to engage the surrounding airway system and inhibit penetration through the airway system when the elongate body compresses lung tissue between the ends from within the airway, the implant having a length of over 110 mm between the atraumatic surfaces. - View Dependent Claims (10, 11)
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Specification