Method and apparatus for treating a carotid artery
First Claim
Patent Images
1. A method of treating a carotid artery, comprising:
- forming a puncture opening through a wall of the common carotid artery;
positioning through the puncture an arterial access sheath and dilator system, wherein the arterial access sheath and dilator system comprises an arterial access sheath and a dilator inside the arterial access sheath, wherein the arterial access sheath comprises a first occlusion element adapted to occlude the common carotid artery and wherein the dilator comprises a tapered distal end;
removing the dilator from the arterial access sheath; and
expanding the first occlusion element to occlude the common carotid artery.
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Abstract
One disclosed embodiment comprises a method for treating lesions in the carotid artery of a mammalian body. The method comprises transcervical access and blocking of blood flow through the common carotid artery (with or without blocking of blood flow through the external carotid artery), shunting blood from the internal carotid artery and treating the lesion in the carotid artery.
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Citations
51 Claims
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1. A method of treating a carotid artery, comprising:
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forming a puncture opening through a wall of the common carotid artery; positioning through the puncture an arterial access sheath and dilator system, wherein the arterial access sheath and dilator system comprises an arterial access sheath and a dilator inside the arterial access sheath, wherein the arterial access sheath comprises a first occlusion element adapted to occlude the common carotid artery and wherein the dilator comprises a tapered distal end; removing the dilator from the arterial access sheath; and expanding the first occlusion element to occlude the common carotid artery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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14. A system for use in accessing and treating a carotid artery, the system comprising:
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an arterial access sheath comprising a lumen extending between a proximal end and a distal end adapted to receive blood flow from a common carotid artery, and a dilator positionable within the lumen of the arterial access sheath, the arterial access sheath and dilator adapted to be collectively introduced through a puncture in the common carotid artery; a first occlusion element coupled to the arterial access sheath at a distal region of the arterial access sheath and adapted to expand and occlude the common carotid artery; and a shunt fluidly connected to the arterial access sheath, wherein the shunt provides a pathway for blood to flow from the arterial access device to a return site. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 35, 36, 37, 38, 39, 40, 41)
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23. A method of treating a carotid artery, comprising:
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forming a puncture opening through a wall of the common carotid artery; positioning through the puncture an arterial access sheath and dilator system, wherein the arterial access sheath and dilator system comprises an arterial access sheath and a dilator inside the arterial access sheath, wherein the arterial access sheath comprises a first occlusion element adapted to occlude the common carotid artery and a second occlusion element distal of the first occlusion element; removing the dilator from the arterial access sheath; expanding the first occlusion element to occlude the common carotid artery; positioning the second occlusion element in an external carotid artery branching from the common carotid artery; expanding the second occlusion element to occlude the external carotid artery; introducing a therapeutic catheter into the carotid artery through an exit port located on the side of the arterial access sheath between the first and second occlusion elements; and treating the carotid artery.
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42. A system for use in accessing and treating a carotid artery, the system comprising:
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an arterial access sheath comprising a lumen extending between a proximal end and a distal end adapted to receive blood flow from a common carotid artery, and a dilator positionable within the lumen of the arterial access sheath, the arterial access sheath and dilator adapted to be collectively introduced through a puncture in the common carotid artery; a first occlusion element coupled to the arterial access sheath at a distal region of the arterial access sheath and adapted to expand and occlude the common carotid artery; a second occlusion element coupled to the arterial access sheath at a position distal of the first occlusion element, wherein the second occlusion element is configured to expand and occlude the external carotid artery while the first occlusion element occludes the common carotid artery; and a side opening located on the side of the sheath between the two occlusion elements and a shunt fluidly connected to the arterial access sheath at an exit port of the arterial access sheath, wherein the shunt provides a pathway for blood to flow from the arterial access device to a return site.
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43. A system for use in accessing and treating a carotid artery, the system comprising:
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an arterial access sheath comprising a lumen extending between a proximal end and a distal end adapted to receive blood flow from a common carotid artery, and a dilator positionable within the lumen of the arterial access sheath, the arterial access sheath and dilator adapted to be collectively introduced through a puncture in the common carotid artery; and a first occlusion element coupled to the arterial access sheath at a distal region of the arterial access sheath and adapted to expand and occlude the common carotid artery, wherein the dilator comprises a tapered distal end. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51)
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Specification