Method of forming implantable vascular grafts

Details Method of forming implantable vascular grafts Method of forming implantable vascular grafts

1985-11-21

1988-04-19

Ball, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562731, 264 24, B65H 8100, B29D 2300, A61F 102

Patent

active

047387408

ABSTRACT:
Vascular grafts are provided that have an external surface which has a porous structure that is conducive to tissue ingrowth thereinto after the vascular graft has been implanted. The vascular graft is prepared by winding an extruded fiber onto a mandrel in the presence of intermittently applied electrostatic forces. Such vascular graft may include an internal surface that was formed under the influence of the electrostatic charge, which internal surface has a porosity that is substantially less than that of said porous external surface.

REFERENCES:
patent: 2411660 (1946-11-01), Manning
patent: 2886877 (1959-05-01), Frickert et al.
patent: 4044404 (1977-08-01), Martin et al.
patent: 4323525 (1982-04-01), Bornat
patent: 4475972 (1984-10-01), Wong
Article, Annis, et al, "An Elastomeric Vascular Prosthesis", Trans. Am. Soc. Artif. Intern. Organs, vol. XXIV, pp. 209-214 (1978).
Leidner et al, "A Novel Process for the Manufacturing of Porous Grafts: Process Description and Product Evaluation", Journal of Biomedical Materials Research, vol. 17, pp. 229-247 (1983).

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