Method for the fabrication of cyanoacrylate adhesives...

C - Chemistry – Metallurgy – 09 – J

Patent

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C09J 4/04 (2006.01) A61L 24/04 (2006.01) C08F 222/32 (2006.01) C08J 3/24 (2006.01) C09J 4/00 (2006.01)

Patent

CA 2484737

A new adhesive method using an adhesive composition including cyanoacrylate adhesive and a stabilizing agent to join together portions of a substrate, particularly useful in suturing and similar medical procedures, is disclosed. It is based on the discovery that remarkable improvements are obtained by adding a step of removing stabilizing agent from such adhesive compositions in the manufacturing process with the prior known steps of (a) providing an adhesive composition including cyanoacrylate adhesive and a stabilizing agent, (b) presenting a substrate to receive at least a portion of such cyanoacrylate adhesive and (c) applying such portion to the substrate. Devices for use in performing the method are described.

La présente invention concerne un procédé d'adhésif utilisant une composition d'adhésif comprenant un adhésif cyanoacrylate et un agent stabilisant destinée à coller ensemble des parties d'un substrat, qui convient en particulier pour des sutures et pour des opérations médicales similaires. Cette invention se fonde sur la découverte qu'on obtient des améliorations remarquables en ajoutant une étape de suppression d'agent stabilisant des compositions d'adhésif dans le processus de fabrication avec les étapes préalables connues qui consistent: (a) à prendre une composition d'adhésif comprenant un adhésif cyanoacrylate et un agent stabilisant, (b) à présenter un substrat destiné à recevoir au moins une partie de cet adhésif cyanoacrylate et (c), à appliquer cette partie au substrat. Cette invention concerne aussi des dispositifs utilisés lors de la mise en oeuvre de ce procédé.

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