专利名称：Method and apparatus for locating the
injection point of an implanted medicaldevice
发明人：Donald Jones,Joseph Barrett,Donald Geer申请号：US09382011申请日：19990928公开号：US06287293B1公开日：20010911
专利附图：
摘要：A method and apparatus for locating the injection point of an implantedmedical device. In a preferred embodiment, the locating apparatus is in the form of
radiopaque rings made of a metallic substance. When these rings are spaced apart atdifferent heights on an implanted medical device, such as a drug port, a stereoscopiceffect results from fluoroscopically viewing the device along an axis not parallel to theaxis along which the rings are spaced. This effect allows one to readily determine theorientation of the device. This prevents accidental injection of drugs into the hardbackside of the drug port.
申请人：C. R. BARD, INC.
代理机构：Morrison & Foerster
代理人：Todd W. Wight
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