Multicomponent fused suture loop and apparatus for making same

Details Multicomponent fused suture loop and apparatus for making same Multicomponent fused suture loop and apparatus for making same

A - Human Necessities

61

B

A61B 17/04 (2006.01) A61L 17/00 (2006.01)

Patent

CA 2646300

A fused loop of an elongated material, such as a surgical suture, and apparatus for making the loop are described. Portions of one or more segments of elongated material may be fused in an ultrasonic welding process to form a welded joint. Multiple materials each with different a different melting point may be used for one or more fibers within the elongated material. The elongated material may include a sheath, which may be used to protect a core within the elongated material. A fused region of the fused loop may be formed when a material with a lower melting temperature, compared to one or more other materials in the elongated material, is caused to melt. A related ultrasonic welding apparatus may include a temperature sensor for control of the welding process.

L'invention porte sur une boucle fusionnée de matériau allongé telle qu'une suture chirurgicale et sur l'appareil de confection de la boucle. On peut fondre un ou plusieurs segments de matériau allongé dans une opération de soudure aux ultrasons pour former un joint soudé. On peut souder plusieurs matériaux de point de fusion différents utilisés pour former une ou plusieurs fibres du matériau allongé. Le matériau allongé peut comporter une gaine pour protéger le coeur du matériau allongé. On peut créer la zone de fusion de la boucle en amenant à la température de fusion un matériau dont le point de fusion est inférieur à celui des autres matériaux constitutifs du matériau allongé. L'appareil de soudage à ultrasons associé peut comporter un détecteur de température pour contrôler le processus de soudage.

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