Locator method and apparatus

A - Human Necessities – 61 – B

Patent

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Details

A61B 6/04 (2006.01) A61B 6/12 (2006.01) A61B 19/00 (2006.01) A61N 7/00 (2006.01)

Patent

CA 2212214

The invention relates to methods and apparatus for locating an internal injury. The apparatus includes a marker (14) that is temporarily positionable at an external location adjacent the internal injury. The marker (14) is formed of a material that is visible on an X-ray, magnetic resonance image, ultrasonic image, or other device for imaging the internal injury. The method includes the steps of positioning a marker (14) at an external location adjacent an internal injury, simultaneously visualizing the marker and the internal injury, and marking an approximate external location corresponding to the internal injury. Where X- rays are used for simultaneously visualizing the marker (14) and the internal injury, the X-ray is used to map the approximate external location corresponding to the internal injury.

L'invention porte sur des techniques permettant de situer une blessure interne ainsi que sur l'appareil correspondant. Celui-ci comporte un marqueur (14) que l'on peut installer, à titre temporaire, sur une partie externe du corps, proche de la blessure interne. Le marqueur (14) est constitué d'une matière visible lors d'un examen aux rayons X, d'une imagerie par résonance magnétique, d'une imagerie ultrasonique ou par le moyen de tout autre dispositif permettant d'obtenir une image de la blessure interne. La technique consiste à placer un marqueur (14) sur une partie externe du corps, proche de la blessure interne et, en même temps, à visualiser le marqueur et la blessure, puis à délimiter approximativement un emplacement externe correspondant à la dite blessure. Là où l'on utilise des rayons X pour faire apparaître simultanément le marqueur (14) et la blessure interne, on les emploie également à établir un emplacement approximatif externe correspondant à la blessure interne.

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