Tissue localizing and marking device and method of using same

A - Human Necessities – 61 – B

Patent

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Details

A61B 19/00 (2006.01) A61B 10/00 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2506285

A delivery apparatus for the percutaneous placement of a medical device (10) at an area of interest (92) in a tissue mass (90) comprises an introducer (16) comprising a cannula (20) having an insertion tip (30), an expulsion opening (28) near the insertion tip (30), and a medical device (10) within the cannula (20) comprising an imaging element (12), and a guide element (14) connected to the imaging element (12) and having a separable portion, and wherein the cannula (20) is inserted into the tissue mass (90) such that the medical device (10) can be expelled through the expulsion opening (28) into the tissue mass (90), and when the cannula (20) is withdrawn from the tissue mass (90), the imaging element (12) is placed within the tissue mass (90) at the area of interest (92), and at least part of the guide element (14) extends exteriorly of the tissue mass (90), and when the separable portion is separated from the guide element (14), no part of the guide element (14) extends exteriorly of the tissue mass (90).

La présente invention a trait à un appareil de placement pour la mise en place percutanée d'un dispositif médical (10) au niveau d'une zone d'intérêt (92) dans une masse tissulaire (90) comportant un introducteur (16) comprenant une canule (20) présentant une pointe d'insertion (30), une ouverture d'éjection (28) à proximité de la pointe d'insertion (30), un dispositif médical (10) au sein de la canule (20) incluant un élément de formation d'image (12), et un élément de guidage (14) relié à l'élément de formation d'image (12) et présentant une portion détachable, et dans lequel la canule (20) est insérée dans la masse tissulaire (90) de sorte que le dispositif médical (10) puisse être éjecté à travers l'ouverture d'éjection (28) dans la masse tissulaire (90), et lors du retrait de la canule (20) de la masse tissulaire (90), l'élément de formation d'image (20) est implanté au sein de la masse tissulaire (90) au niveau de la zone d'intérêt (92), et au moins une partie de l'élément de guidage (14) s'étend vers l'extérieur de la masse tissulaire (90), et lors de la séparation de la portion détachable de l'élément de guidage (14), aucune partie de l'élément de guidage (14) de s'étend vers l'extérieur de la masse tissulaire (90).

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