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Device and method for safe location and marking of a biopsy cavity
专利权人:
D. Laksen Sirimanne
发明人:
D. Laksen Sirimanne,Natalie V. Fawzi,Douglas S. Sutton,Gail S. Lebovic,Stanley R. Conston,Peter M. Wilson,Anne B. Morrissey,Mary Elizabeth Bush
申请号:
US09869282
公开号:
US09669113B1
申请日:
1999.12.23
申请国别(地区):
US
年份:
2017
代理人:
摘要:
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.
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中国工程科技知识中心
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