Anchor markers

A - Human Necessities – 61 – B

Patent

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Details

A61B 19/00 (2006.01)

Patent

CA 2750523

The invention is directed to an anchor marker that is secured to adjacent tissue in order to prevent or minimize displacement of the marker and a method of delivering such a marker to a patient's body cavity such as a cavity in a patient's breast after a biopsy or lumpectomy. The anchor marker has an anchor element and a marker element which is secured to the anchor element. The anchor element penetrates into surrounding tissue and secures the marker from movement. The marker element is remotely imageable by ultrasound, x-ray, MRI and the like and preferably has incorporated imageable material to facilitate such imaging.

La présente invention concerne, d'une part un marqueur d'ancrage qui est fixé dans le tissu adjacent de façon à empêcher ou limiter le déplacement du marqueur, et d'autre part un procédé de mise en place d'un tel marqueur dans une cavité du corps d'un patient, telle qu'une cavité subsistant dans le sein d'une patiente après une biopsie ou une tumorectomie. Le marqueur d'ancrage comporte un élément d'ancrage et un élément marqueur qui est fixé à l'élément d'ancrage. L'élément d'ancrage pénètre dans le tissu environnant et empêche le marqueur de bouger. L'élément marqueur, qui est visible en imagerie médicale par ultrasons, rayons X, IRM, et analogue, comporte de préférence un matériau incorporé qui est visible en imagerie, de façon à faciliter une telle imagerie médicale.

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