A balloon for a balloon catheter comprising: a proximal cone section having proximal and distal ends, a length extending between the proximal and distal ends, and an exterior surface having a generally conical shape and a circumference tapering proximally toward the proximal end of the proximal cone section; a distal cone section having proximal and distal ends, a length extending between the proximal and distal ends, and an exterior surface having a generally conical shape and a circumference tapering distally toward the distal end of the distal cone section; and a balloon body section extending between and interconnecting the distal end of the proximal cone section and the proximal end of the distal cone section, the proximal and distal cone sections (28b, 28a) and the balloon body section defining an interior chamber configured to receive fluid to expand the balloon from a non-expanded state to an expanded state, wherein at least one of the proximal and distal cone sections (28b, 28a) comprises a plurality of grooves spaced apart around the circumference of the corresponding cone section (28b, 28a), each groove having a length extending lengthwise of the corresponding cone section (28b, 28a), a depth extending inward from the exterior surface of the corresponding cone section (28b, 28a), and a width extending circumferentially of the corresponding cone section (28b, 28a), wherein the width of at least a portion of each groove tapers toward the balloon body section, wherein each of the plurality of the grooves is disposed between the proximal and distal ends of the corresponding one of the proximal and distal cone sections (28b, 28a), wherein the corresponding cone sections (28b, 28a) includes a plurality of ribs extending inward from an interior surface of the corresponding cone section (28b, 28a), the ribs disposed at locations on the interior surface of the corresponding cone section (28b, 28a) corresponding to locations of the grooves on the exterior surface of the corresponding cone section (28b, 28a), characterized in that the proximal and distal cone sections (28b,28a) having an interior surface, and in that the wall thickness of proximal cone section between the interior and exterior surfaces (40, 44) generally increases toward the proximal end thereof; and in that the wall thickness of the distal cone section between the interior and exterior surfaces generally increases towards the distal end thereof. a proximal cone section having proximal and distal ends, a length extending between the proximal and distal ends, and an exterior surface having a generally conical shape and a circumference tapering proximally toward the proximal end of the proximal cone section; a distal cone section having proximal and distal ends, a length extending between the proximal and distal ends, and an exterior surface having a generally conical shape and a circumference tapering distally toward the distal end of the distal cone section; and a balloon body section extending between and interconnecting the distal end of the proximal cone section and the proximal end of the distal cone section, the proximal and distal cone sections (28b, 28a) and the balloon body section defining an interior chamber configured to receive fluid to expand the balloon from a non-expanded state to an expanded state, wherein at least one of the proximal and distal cone sections (28b, 28a) comprises a plurality of grooves spaced apart around the circumference of the corresponding cone section (28b, 28a), each groove having a length extending lengthwise of the corresponding cone section (28b, 28a), a depth extending inward from the exterior surface of the corresponding cone section (28b, 28a), and a width extending circumferentially of the corresponding cone section (28b, 28a), wherein the width of at least a portion of each groove tapers toward the balloon body section, wherein each of the plurality of the grooves is disposed between the proximal and distal ends of the corresponding one of the proximal and distal cone sections (28b, 28a), wherein the corresponding cone sections (28b, 28a) includes a plurality of ribs extending inward from an interior surface of the corresponding cone section (28b, 28a), the ribs disposed at locations on the interior surface of the corresponding cone section (28b, 28a) corresponding to locations of the grooves on the exterior surface of the corresponding cone section (28b, 28a), characterized in that the proximal and distal cone sections (28b,28a) having an interior surface, and in that the wall thickness of proximal cone section between the interior and exterior surfaces (40, 44) generally increases toward the proximal end thereof; and in that the wall thickness of the distal cone section between the interior and exterior surfaces generally increases towards the distal end thereof.