Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1997-07-18
1999-11-23
Coggins, Wynn Wood
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604507, 604 93, 604264, A61M 3100
Patent
active
059892390
ABSTRACT:
Methods and apparatus for percutaneously accessing an implanted port use a large bore coring needle. The coring needle is periodically introduced to an aperture on the implanted port so that the needle passes through the same tissue tract. It has been found that repeated passage of the needle through the same tissue tract reduces patient trauma, with minimized bleeding, reduction in sensitivity, in contrast to the use of non-coring needles.
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Kronung, G. "Plastic Deformation of Cimino Fistula by Repeated Puncture" Dialysis & Transplantation (1984) 13(10):635-638.
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Twardowski et al., "Six-year clinical experiences with the creation and use of internal arteriovenous fistulae in patients treated by repeated haemodialyses (translated)" Pol. Arch. Med. Wewn. (1977) 57:205-214. An English abstract is included on p. 213 of this publication.
Brugger James M.
Burbank Jeffrey H.
Finch C. David
Blyveis Deborah
Coggins Wynn Wood
Vasca, Inc.
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