Dip-molded medical devices from cis-1,4-polyisoprene

Details Dip-molded medical devices from cis-1,4-polyisoprene Dip-molded medical devices from cis-1,4-polyisoprene

A - Human Necessities

61

L

A61L 31/04 (2006.01) A41D 19/00 (2006.01) A61B 19/04 (2006.01) A61L 29/04 (2006.01) B29C 41/14 (2006.01) C08J 5/02 (2006.01) A61M 25/10 (2006.01)

Patent

CA 2402736

Medical devices of synthetic rubber are prepared from cis-1,4-polyisoprene by dip molding without the use of sulfur-containing components. The devices have surprinsingly favorable tensile characteristics despite what is known in regard to synthetic cis-1,4-polyisoprene. In addition, the absence of both the proteins present in natural rubber and the sulfur components that are typically used in vulcanization of both natural rubber and cis-1,4- polyisoprene of the prior art renders the devices freely usable without causing the user to suffer Type I or Type IV allergic reactions that typically arise from contact with natural rubber.

Selon l'invention, des instruments médicaux en caoutchouc synthétique sont préparés par moulage au trempé, à partir de cis-1,4-polyisoprène, sans utilisation de composants contenant du soufre. Les instruments présentent étonnamment des caractéristiques de traction favorables malgré ce que l'on sait du cis-1,4-polyisoprène synthétique. De plus, l'absence à la fois des protéines contenues dans le caoutchouc naturel et de composants contenant du soufre généralement utilisés dans la technique antérieure en matière de vulcanisation du caoutchouc naturel et du du cis-1,4-polyisoprène permet d'utiliser les instruments librement sans provoquer chez l'usager des réactions allergiques du type I ou du type IV généralement liées au contact avec le caoutchouc naturel.

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