Patent ID: 8623050
Filing Date: 2014-01-07
Classification: A61B,A61F

Abstract:
1. A device for the anchoring of a suture in bone tissue, which device comprises: a guide sleeve with a through-going axial lumen and a distal end open towards a distal side, with the guide sleeve having a distal part of a first cross section, and a proximal part of a second cross section, larger than the first cross section, a sonotrode which extends in the lumen of the guide sleeve, the sonotrode comprising a distal end and a proximal end, wherein the proximal end is designed for a coupling of the sonotrode to a vibration source, an anchor being arranged at a distal end of the device, the anchor comprising an anchor foot and an anchoring sleeve, the anchoring sleeve having a through-going axial lumen and being open towards a distal side, the anchoring sleeve sitting against a shoulder of the anchor foot and comprising a material which is liquefiable by mechanical vibrations, and a suture which runs through the anchor foot, wherein the anchoring sleeve is clamped or clampably arranged between the anchor foot and the guide sleeve, and wherein the material of the anchoring sleeve is capable of being liquefied, at least partially, by the mechanical vibrations and is arranged for being forced to flow out and penetrate surrounding bone tissue and thereby anchoring the anchor in the bone tissue.