Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1998-08-19
2000-10-17
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604530, 604532, 604264, A61M 2500
Patent
active
061324175
ABSTRACT:
A right coronary artery catheter including a hub, a linear flexible tubular body stock extending from the hub and a curved flexible tubular stem extending from the body stock. The stem includes a distal end, a primary curved section and a secondary curved section. The primary curved section is positioned between the distal ends of the stem and body stock. The secondary curved section is positioned between the primary curved section and the distal end of the body stock, and extends in a direction generally opposite the direction of the primary curved section. The radii and lengths of the stem are adapted to cause a portion of the stem between the secondary curved section and the distal end of the body stock to engage a continuous length of the upper wall of the aortic arch, to cause the secondary curved section to direct the stem generally downwardly and across the ascending aorta toward a contralateral wall opposite the ostium of the right coronary artery, and to cause the primary curved section to engage the contralateral wall at a location adjacent to the ostium of the left coronary artery and to direct an end section of the stem across the ascending aorta toward the ostium of the right coronary artery, when the catheter is positioned within the patient with the distal end of the stem engaged with the ostium of the right coronary artery.
REFERENCES:
patent: 4846814 (1989-07-01), Ruiz
patent: 4961731 (1990-10-01), Bodicky et al.
patent: 5195990 (1993-03-01), Weldon
patent: 5215540 (1993-06-01), Anderhub
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patent: 5290229 (1994-03-01), Paskar
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patent: 5306263 (1994-04-01), Voda
patent: 5322509 (1994-06-01), Rickerd
patent: 5348545 (1994-09-01), Shani et al.
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patent: 5599325 (1997-02-01), Ju et al.
patent: 5846229 (1998-12-01), Berg
6 pages with illustrations of catheter shapes known as Judkins Left, Judkins Left Short Tip, Judkins Left Warren, Multipurpose, Amplatz Left, Internal Mammary, Brachial, Kimny, Judkins Right, Straight, Crossover, Cobra renal, Hockey Stick, 40.degree., Celiac and Superior Mesenteric Arteries (undated).
Guidant ACS Viking Guilding Catheter data sheets (4 pages), 1997.
Scheider/Namic
Yasko John D.
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