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Article
October 1959

A Study of Reinforced Ivalon as Prosthetic Material for Arterial Replacement

Author Affiliations

Buffalo; Stockholm, Sweden
From the Department of Experimental Surgery, Thoraxklinik, Karolinska Institute, Stockholm. Head: Ake Senning, M.D.; John and Mary Markle Scholar in Medical Science (Dr. Andersen). Present address: Department of Surgery, E. J. Meyer Memorial Hospital, Buffalo.

AMA Arch Surg. 1959;79(4):542-547. doi:10.1001/archsurg.1959.04320100008002
Abstract

Polyvinyl formalinized (Ivalon) sponge has been tested as prosthetic material by several groups, with some variation in findings.1,6,7,9 It has unique and desirable characteristics, which include (1) inherent ability to hold a shape which adds greatly to the ease of placement and decreases the likelihood of wrinkles; (2) ease in fashioning into any desired shape by heating while molded; (3) a high degree of porosity which allows rapid and secure fibroblastic penetration—conversely, the degree of porosity can be controlled at will by varying the compression used during molding; (4) ability to fuse itself together, without seams. In experimental and clinical use as an arterial replacement it has seemed to have approximately the same tendency to thrombosis as other materials; however, it has had the serious disadvantage of low inherent strength, and the incidence of aneurysm formation and rupture has been rather high, especially when it is used in the

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