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MAGNETICALLY-LOCALIZABLE IMPLANTED HEMODIALYSIS VASCULAR ACCESS DEVICES, AND METHODS FOR IMPROVING THE CANNULATION THEREOF
MAGNETICALLY-LOCALIZABLE IMPLANTED HEMODIALYSIS VASCULAR ACCESS DEVICES, AND METHODS FOR IMPROVING THE CANNULATION THEREOF
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机译:可磁定位的植入式热解血管通路装置及其改良插管的方法
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摘要
Disclosed are vascular access devices, implantable dialysis grafts, and systems that include them useful in facilitating easy, accurate and reproducible cannulation or needle entry into an implantable device such as a hemodialysis graft, by localizing a portion of the implanted graft that contains one or more paramagnetic materials that operably define the physical boundaries of the target cannulation site/entry port by passage of an external magnetic detector wand over that portion of the patient's body into which the device has been implanted.
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