Method and instrument for thermal suture cutting

A - Human Necessities – 61 – B

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A61B 17/04 (2006.01) A61B 17/06 (2006.01) A61B 18/08 (2006.01)

Patent

CA 2490474

Novel suture removal instrument and technique are described herein. The invention utilizes a newly designed thermal filament to allow the tip of the suture removal instrument to be slipped under the stitch in order to heat and cut the stitch. Current suture removal techniques utilize scissors, forceps, and/or scalpels. These techniques, which are well known in the art, are problematic because they exert tension on the stitch and are associated with patient. discomfort. Small stitches add to the difficulty of suture removal because they have less suture laxity for scissor insertion. The present invention therefore allows for more rapid suture removal with less patient discomfort and at a competitive or lower cost.

La présente invention concerne un instrument et une technique d'enlèvement des fils de suture. On utilise un filament chauffant récemment conçu pour permettre à la pointe de l'instrument d'enlèvement des fils de suture de passer sous le noeud de façon à chauffer et couper le noeud. Pour retirer les fils de suture, on utilise actuellement les ciseaux, les forceps et/ou les scalpels. Ces procédés, qui sont bien connus, présentent l'inconvénient d'exercer une tension sur le noeud, et d'être désagréables pour le patient. Les petits noeuds sont une difficulté supplémentaire pour l'enlèvement des fils de suture car le fil de suture présente moins de jeu pour l'insertion des ciseaux. L'invention permet ainsi de retirer plus rapidement les fils de suture, avec moins de désagrément pour le patient, et ce, à un coût compétitif, voire inférieur.

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