LOW PROFILE GUIDING CATHETER FOR NEUROVASCULAR APPLICATIONS
First Claim
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1. A low profile guiding catheter for neurovascular applications comprising:
- elongated wall structure extending along a length of the catheter defining at least one lumen having a low profile, non-circular cross-sectional shape that flexes easily along at least a portion of the length of the catheter; and
guidance walls along at least a portion of the elongated wall structure which are linearly flexible, circumferentially relatively inflexible, and resistant to collapse and kinks.
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Abstract
A low profile guiding catheter has a non-round shape for use in delivery of multiple microcatheters for treatment of neurovascular defects, such as for treatment of aneurysms. The low profile guiding catheter includes torque transmittal guidance walls that are flexible linearly but not circumferentially, and that are neither collapsible nor kinkable.
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Citations
17 Claims
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1. A low profile guiding catheter for neurovascular applications comprising:
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elongated wall structure extending along a length of the catheter defining at least one lumen having a low profile, non-circular cross-sectional shape that flexes easily along at least a portion of the length of the catheter; and guidance walls along at least a portion of the elongated wall structure which are linearly flexible, circumferentially relatively inflexible, and resistant to collapse and kinks. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A low profile guiding catheter for neurovascular applications comprising:
an elongated outer wall structure extending along a length of the catheter defining at least one lumen having a low profile, non-round cross-sectional shape that flexes relatively easily along at least a portion of the length of the catheter, said guiding catheter having a distal end of a first French size and a proximal end configured to fit with a proximal end of a medical device, the proximal end of the medical device of a second French size that is larger than the first French size. - View Dependent Claims (15, 16)
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17. A method of minimizing trauma during delivery of at least one intravascular interventional device for treatment of defects in a neurovasculature, comprising:
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inserting a low profile guiding catheter into the neurovasculature, said low profile guiding catheter including an elongated wall structure extending along a length of the catheter defining at least one lumen having a low profile, non-circular cross-sectional shape that flexes easily along at least a portion of the length of the catheter, and guidance walls along at least a portion of the elongated wall structure, said guidance walls being linearly flexible, circumferentially relatively inflexible, and resistant to collapse and kinks; and delivering an intravascular interventional device through a lumen defined by the elongated wall structure of the low profile guiding catheter.
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Specification