A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/01 (2006.01) A61M 25/00 (2006.01)
Patent
CA 2134876
A guide catheter (110) for use in treatment of the right main coronary artery of a cardiovascular system includes a hollow, flexible tubular body (112). The tubular body (112) has a proximal, generally straight portion (114) and a distal, generally curva-ceous portion (116) having a distal end (143). The distal portion (116) of the tubular body (112) has a primary curve (140) proxi-mal the distal end (143) and a secondary curve (146) proximal the primary curve (140). The primary and secondary curves (140, 146) are defined by preshaped, consecutively arranged obtuse angled segments of the tubular body (112). The distal portion (116) also has a tertiary curve (123) proximal the secondary curve (146), and the tertiary curve (123) is defined by a preshaped, oppo-sitely disposed arched extent of the tubular body (112) long enough to cause the distal portion (116) to overlie itself in its pre-formed configuration prior to use. The curves (140, 146, 123) of the distal portion (116) are preformed and aligned so that in use, after the guide catheter (110) has been advanced through the descending aorta, over the aortic arch, and into the ascending aorta to a position where the distal end (143) is generally coaxially aligned within the ostium of the right main coronary artery, the dis-tal portion (116) of the guide catheter (110) engages the wall of the ascending aorta and engages the wall of the aortic arch.
Cassan Maclean
Voda Jan
LandOfFree
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