Methods and apparatus using branched balloon for treating pulmonary arterial hypertension
First Claim
1. A system for treating pulmonary hypertension, said system comprising:
- an implantable port configured for subcutaneous implantation and having an internal chamber;
a guide conduit structure attached at one end to the implantable port; and
a single inflatable balloon structure attached to another end of the guide conduit structure having a first lateral balloon segment, a second lateral balloon segment, and a central zone between the first and second lateral balloon segments, wherein the balloon structure is configured so that when the guide conduit structure is positioned in a pulmonary artery the first lateral balloon segment will occupy a left branch of the pulmonary artery and the second lateral balloon segment will occupy a right branch of the pulmonary artery, wherein the guide conduit structure includes first and second guide tubes, wherein the first guide tube provides a first guide wire path along or through the guide conduit structure and the first lateral balloon segment and the second guide tube provides a second guide wire path separate from the first guide wire path along or through the guide conduit structure and the second lateral balloon segment;
wherein a distal end of the guide conduit structure forms a T-junction located in the central zone of said single balloon between said first lateral balloon segment and said second lateral balloon segment and wherein the first guide tube extends from a first branch of the T-junction and the second guide tube extends from a second branch of the T-junction.
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Accused Products
Abstract
A device for treating pulmonary hypertension includes an inflatable balloon structure (1), an implantable port (9), and a conduit (2) connecting the balloon (1) and the implantable port in a sealed manner. The balloon, the port and the conduit are filled with a gas, and the pressure is such that the balloon (1) is normally inflated but is capable of being compressed during systole. The inflatable balloon (1) has first and second segments sized to extend into the left branch and the right branch of the pulmonary artery bifurcation respectively. The conduit (2) may connected in a T-junction to a middle portion of the balloon (1) or may be bifurcated into first and second branches (12a,12b) which are connected to the first and second balloon segments (13a,13b), respectively. The device may also have guide tubes opening at the longitudinal ends of the balloon (1) and guide wires (4, 6) engaged and capable of sliding in said guide tubes.
17 Citations
12 Claims
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1. A system for treating pulmonary hypertension, said system comprising:
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an implantable port configured for subcutaneous implantation and having an internal chamber; a guide conduit structure attached at one end to the implantable port; and a single inflatable balloon structure attached to another end of the guide conduit structure having a first lateral balloon segment, a second lateral balloon segment, and a central zone between the first and second lateral balloon segments, wherein the balloon structure is configured so that when the guide conduit structure is positioned in a pulmonary artery the first lateral balloon segment will occupy a left branch of the pulmonary artery and the second lateral balloon segment will occupy a right branch of the pulmonary artery, wherein the guide conduit structure includes first and second guide tubes, wherein the first guide tube provides a first guide wire path along or through the guide conduit structure and the first lateral balloon segment and the second guide tube provides a second guide wire path separate from the first guide wire path along or through the guide conduit structure and the second lateral balloon segment;
wherein a distal end of the guide conduit structure forms a T-junction located in the central zone of said single balloon between said first lateral balloon segment and said second lateral balloon segment and wherein the first guide tube extends from a first branch of the T-junction and the second guide tube extends from a second branch of the T-junction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification