A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 49/00 (2006.01) A61B 19/00 (2006.01) A61L 31/00 (2006.01) A61L 31/02 (2006.01) A61L 31/06 (2006.01) A61L 31/14 (2006.01) A61L 31/18 (2006.01) A61L 31/04 (2006.01)
Patent
CA 2715331
Cavity and sentinel lymph node marking devices, marker delivery devices, and methods are disclosed. More particularly, upon insertion into a body, the cavity marking device and method enable one to determine the center, orientation, and periphery of the cavity by radiographic, mammography, echogenic, or other noninvasive imaging techniques. A composition and method are disclosed for locating the sentinel lymph node in a mammalian body to determine if cancerous cells have spread thereto. The composition is preferably a fluid composition consisting of a carrier fluid and some type of contrast agent; alternatively, the contrast agent may itself be a fluid and therefore not need a separate carrier fluid. This composition is capable of (1) deposition in or around a lesion and migration to and accumulation in the associated sentinel node, and (2) remote detection via any number of noninvasive techniques. Also disclosed is a method for remotely detecting the location of a sentinel node by (1) depositing a remotely detectable fluid in or around a lesion for migration to and accumulation in the associated sentinel node and (2) remotely detecting the location of that node with a minimum of trauma and toxicity to the patient. The composition and method may serve to mark a biopsy cavity, as well as mark the sentinel lymph node. The marking methods also may combine any of the features as described with the marking device and delivery device.
Bush Mary Elizabeth
Conston Stanley R.
Fawzi Natalie V.
Lebovic Gail S.
Morrissey Anne B.
Ethicon Endo-Surgery Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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