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Anti-stenotic method and product for occluded and partially occluded arteriesRelated Patent Categories: Prosthesis (i.e., Artificial Body Members), Parts Thereof, Or Aids And Accessories Therefor, Arterial Prosthesis (i.e., Blood Vessel), Including Means For Graft Delivery (e.g., Delivery Sheath, Ties, Threads, Etc.)Anti-stenotic method and product for occluded and partially occluded arteries description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060089706, Anti-stenotic method and product for occluded and partially occluded arteries. Brief Patent Description - Full Patent Description - Patent Application Claims
CONTINUITY [0001] This application is a division of our copending U.S. patent application Ser. No. 09/938,882, which is a continuation of our copending U.S. patent application Ser. No. 09/522,461 filed Mar. 9, 2000, now abandoned, which is a continuation of U.S. patent application Ser. No. 09/183,896, filed Oct. 30, 1998, now U.S. Pat. No. 6,090,135, which is a division of U.S. patent application Ser. No. 09/098,912, filed Mar. 5, 1998, now U.S. Pat. No. 5,904,146, which is a division of U.S. patent application Ser. No. 08/548,569, filed Oct. 26, 1995, now U.S. Pat. No. 5,865,844, which is a continuation of U.S. patent application Ser. No. 08/73,002, filed Jun. 7, 1993, now U.S. Pat. No. 5,571,169. FIELD OF THE INVENTION [0002] The present invention relates generally to restoration of flow capacity to occluded and partially occluded vessels, including arteries, and more particularly to a procedure by which at least an interior lining is in the form of a vascular graft placed in an artery as an anti-stenotic measure. BACKGROUND [0003] During the last thirty (30) years the most common technique for treating arterial stenosis has been surgical construction of a bypass conduit around the site of the occlusion. Bypass grafting in a symptomatic patient with a partially or totally occluded or stenotic superficial femoral artery, using a vein or prosthetic graft, has been the dominant technique for arterial reconstruction. Endarterectomy is also performed in some cases. [0004] In the last decade balloon catheter angioplasty of patients with focal stenosis has demonstrated benefit primarily because of its minimal invasiveness, thereby reducing cost and recovery time. It is, however, limited to short focal stenoses through which the balloon can be positioned. It has a significant rate of restenosis in longer or diffuse lesions, where its use is not indicated. To address these limitations and to improve the treatment of longer length segments of occlusive disease, a variety of catheter based laser and mechanical atherectomy devices have recently been developed and studied. The hope has been to obtain the benefits of reducing costs, morbidity, and recovery time available from using less-invasive, catheter-based methods while still obtaining the overall good patient results comparable to by-pass grafting. Despite these efforts, by-pass grafting has remained the technique generally used in clinical practice, due to its superior overall results compared to the novel catheter-based techniques heretofore developed. The present invention overcomes or substantially alleviates the limitations of previous catheter-based techniques for treating SFA disease, while obtaining the benefits of proven by-pass grafting techniques. BRIEF SUMMARY AND OBJECTS OF THE INVENTION [0005] In brief summary, the present invention overcomes or substantially alleviates the above-mentioned pre-existing problems. The present invention provides for removal of all or nearly all atheroma from within an arterial segment of any length and then placement of a vascular graft, which may be of any suitable material, with only one point of entry. The atheroma alone can be removed or the atheroma and the tunica intima alone or together with the tunica media of the arterial segment can be removed. Other vessels can also be treated and vascularly lined without departing from the scope of the invention. The present invention provides the benefits of minimally invasive surgery, overcomes or substantially alleviates the limitation of recurrent stenosis, and allows treatment of any occlusive lesion regardless of length. [0006] Thus, normal capacity blood flow is provided with no or low probability of recurring stenosis. While the present invention has been applied to occlusion in the superficial femoral artery, it is not limited to any particular artery diseased by stenosis. [0007] With the foregoing in mind, it is a primary object of the present invention to provide an antistenotic method and product by which substantially full blood flow capacity is restored to a wholly or partially occluded artery. [0008] Another object of importance is the provision of a method and product by which an atheroma is removed from an artery and provision is made to prevent or alleviate the likelihood of a later redevelopment of another atheroma at the removal site. [0009] A further significant object is to provide a method and product by which substantially full blood flow is surgically restored to a stenotic artery. [0010] Another dominant object is the provision of a method and product which substantially eliminates an atheroma from an artery and eliminates or significantly reduces the likelihood of restenosis at the prior atheroma site. [0011] An additional object of substantive importance is the provision for removal of stenotic deposits from an artery with or without removal of an interior portion of the artery followed by insertion of a vascular graft along the length of the removal site as an anti-stenosis measure. [0012] One more object of value is the provision of a method of and product for substantially removing stenotic deposits in an artery and substantially preventing or alleviating recurrence thereof independent of the arterial length of the deposits. [0013] An additional paramount object is the provision of a novel method and product by which a vessel of a medical patient is lined for the purpose of establishing and/or maintaining full blood flow. [0014] These and other objects and feature of the present invention will be apparent from the detailed description taken with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS [0015] The Figures described briefly below are line drawing schematics, predicated upon the existence and commercial availability of the various devices and apparatus as shown therein. [0016] FIG. 1 is a line drawing diagrammatically illustrating in cross-section a single arteriotomy in an occluded superficial femoral artery of a medical patient; [0017] FIG. 2A is a line drawing schematically illustrating in cross-section a double arteriotomy in an occluded superficial femoral artery of a medical patent; [0018] FIG. 2B is a line drawing schematically illustrating in cross-section access using a hollow needle to a site upstream of an atheroma in a superficial femoral artery of a patient; [0019] FIG. 3 is a line drawing diagrammatically illustrating in cross-section the atheroma of FIG. 1 with a guide wire extending through the atheroma; Continue reading about Anti-stenotic method and product for occluded and partially occluded arteries... 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