Noninvasive intraductal fluid diagnostic screen

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/00 (2006.01) A61B 10/00 (2006.01) G01N 33/574 (2006.01) G01N 33/577 (2006.01) A61M 1/06 (2006.01)

Patent

CA 2448011

Disclosed is a method and apparatus for accomplishing a noninvasive screen for breast disease markers, including breast cancer markers and cytologically abnormal cells. Intraductal fluid is noninvasively aspirated using compression, heating, and suction cycles. The removed sample is thereafter assayed for the presence of cytologically abnormal cells and/or one or more breast disease markers. Sample size and intraductal mobility of breast disease markers may be enhanced by retrograde introduction of a carrier. A portable, self-contained intraductal fluid aspiration device (20) includes a housing (22), one or more controls and/or indicators (25), and a patient or breast interface (24) having a tissue contacting surface (32) for receiving a breast and a second concavity (38) for receiving a nipple. Preferably, the breast interface (24) is provided with a dynamic compression zone (42), having one or more compression elements (45) for compression in the mid breast region to facilitate intraductal fluid aspiration.

L'invention concerne un procédé et un appareil destinés à effectuer un criblage non-invasif de marqueurs de maladie mammaire, notamment des marqueurs du cancer du sein et des cellules anormales sur le plan cytologique. Le fluide intracanalaire est aspiré de manière non-invasive au moyen de cycles de compression, de chauffage et d'aspiration. L'échantillon retiré est ensuite soumis à une analyse afin de détecter la présence de cellules anormales sur le plan cytologique et/ou un ou plusieurs marqueurs de maladie mammaire. La taille de l'échantillon et la mobilité intracanalaire des marqueurs de maladie mammaire peuvent être améliorées par introduction rétrograde d'un support. Un dispositif d'aspiration de fluide intracanalaire autonome et portatif (20) comprend un boîtier (22), une ou plusieurs commandes et/ou indicateurs (25), et un patient ou une interface mammaire (24) possédant une surface de contact de tissu (32) destinée à recevoir un sein et une seconde concavité (38) destinée à recevoir un mamelon. De préférence, l'interface mammaire (24) comporte une zone de compression dynamique (42), possédant un ou plusieurs éléments de compression (45) destinés à comprimer la région mammaire médiane afin de faciliter l'aspiration du fluide intracanalaire.

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