A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/04 (2006.01)
Patent
CA 2212325
A device and method of suturing closed an opening and ligating a vessel or duct comprising removable tissue puncturing means (22) or vessel surrounding means establishing a continuous channel (24) through said tissue or around said vessel from each side. A completed channel (24) is formed and suture material (26) is threaded through the channel making a complete loop. The thread is secured at an anvil (30) independent from said puncturing/surrounding means. The puncturing/surrounding means is retracted leaving the thread, which is then tensioned closing the opening or occluding the vessel. The suture thread is secured and cut, forming a closed loop with overlapping ends. An energy transmitting device (38) melts the suture thread ends together forming a weld. The anvil (30) is removed leaving a knot-free completed stitch or ligature.
L'invention concerne un dispositif, et la technique correspondante, permettant de fermer par suture une ouverture et de ligaturer un vaisseau ou un conduit. Ce dispositif comprend un moyen amovible destiné à percer un tissu (22) ou un moyen entourant un vaisseau qui ménage un passage ininterrompu (24) à travers ledit tissu ou autour dudit vaisseau à partir de chaque coté. Au travers du passage (24) ainsi constitué, on enfile le matériau de suture (26) de manière à former une boucle complète. On attache le fil à un élément en forme d'enclume (30), indépendant des moyens susmentionnés. On retire ensuite ces dernièrs, laissant en place le fil sur lequel est exercée une tension pour fermer l'ouverture ou obturer le vaisseau. On attache et on coupe le fil ayant servi à suturer, ce qui donne une boucle fermée dont les extrémités se chevauchent. On fait fondre ensemble les extrémités de ce fil afin de constituer une soudure au moyen d'un dispositif à émission d'énergie (38) et l'on retire l'enclume (30), ce qui laisse un point de suture ou une ligature achevés et exempts de noeud.
Axya Medical Inc.
Egan Thomas D.
Riches Mckenzie & Herbert Llp
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