Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
53 words
A device for clearing a stenosis in a vessel of a patient which comprises: means for incising the stenosis; means for dilating the stenosis, said incising means being mounted on said dilitating means; and means for moving said dilating means and said incising means through the stenosis to incise and dilate the stenosis.
Claim 2
Dependent Claim
38 words
A device according to claim 1 further comprising means for advancing said incising means and said dilating means to the stenosis to incise and to dilate the stenosis in response to a distal movement of said moving means.
Claim 3
Dependent Claim
29 words
A device according to claim 1 or 2 wherein said means for reciprocally moving said dilating means and said incising means is a probe catheter having a distal end.
Claim 4
Independent Claim
31 words
A device according to any one of the preceding claims wherein said dilating means is a probe member fixedly attached to said distal end of said probe catheter for movement therewith.
Claim 5
Independent Claim
30 words
A device according to any one of the preceding claims wherein said incising means is a plurality of blades fixedly attached to said probe member and extending substantially distally therefrom.
Claim 6
Dependent Claim
48 words
A device according to claim 4 wherein said probe catheter and said probe member are formed with a contiguous lumen and said means for advancing is a guidewire, said guidewire being prepositionable in the vessel and insertable through said lumen to guide said probe member to the stenosis.
Claim 7
Dependent Claim
46 words
A device according to claim 4 wherein said means for advancing is a guide catheter, said guide catheter being prepositionable in the vessel and formed with a lumen for receiving said probe member and said probe catheter therethrough to guide said probe member to the stenosis.
Claim 8
Independent Claim
32 words
A device according to any one of claims 4 to 7 wherein said probe member is substantially cone-shaped with a tapered portion having a diminishing cross sectional area in the distal direction.
Claim 9
Independent Claim
29 words
A device according to any one of claims 4 to 8 wherein said probe catheter defines a longitudinal axis and said blades are aligned longitudinally on said probe member.
Claim 10
Independent Claim
27 words
A device according to any one of claims 4 to 9 further comprising a selectively inflatable balloon mounted on said probe catheter proximal to said probe member.
Claim 11
Independent Claim
37 words
A device according to any one of claims 4 to 10 further comprising means for rigidizing a portion of said probe catheter proximal to said probe member to facilitate movement of said probe member through the stenosis.