Lubricated metal articles and assembly containing same

Details Lubricated metal articles and assembly containing same Lubricated metal articles and assembly containing same

C - Chemistry, Metallurgy

09

D

C09D 183/04 (2006.01) A61L 29/00 (2006.01) A61L 29/08 (2006.01) A61L 31/00 (2006.01) A61M 5/32 (2006.01) A61M 25/00 (2006.01) C09D 183/06 (2006.01) C09D 183/08 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2055321

A metal article has a coating of a noncuring polar lubricant. Preferred articles are of stainless steel and may be cutting devices such as needles, lancets and cannulas or sliding devices such as stylets and guidewires. Preferred noncuring polar lubricants are polysiloxanes terminated with a polar group. Particularly preferred lubricants are aminoalkyl or carboxyalkyl polysiloxanes. The lubricated metal article may be in a sliding relationship with a plastic article such as a catheter-guidewire or a catheter-cannula assembly. The plastic portion of the assembly may also include a lubricant.

Un article en métal est recouvert d'un lubrifiant polaire non durcissant. Les articles préférés sont en acier inoxydable et peuvent être des dispositifs pour couper comme des aiguilles, des lancettes et des canules ou des dispositifs coulissants comme des stylets et des guide-fils. Les lubrifiants polaires non durcissants préférés sont des polysiloxanes terminés par un groupe polaire. Les aminoalkyl ou les carboxylalkylpolysiloxanes sont particulièrement préférés. L'article en métal lubrifié peut glisser contre un article en plastique comme un ensemble cathéter-guide-fil ou cathéter-canule. La partie en plastique de l'ensemble peut aussi comprendre un lubrifiant.

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