公开(公告)号：US20230043705A1

公开(公告)日：2023-02-09

申请号：US17861105

申请日：2022-07-08

申请人： University of Shanghai for Science and Technology

发明人： Xiaohong CHEN ,  Xiaofei LIANG ,  Honglei ZHOU ,  Jian ZHAO ,  Ping LIU ,  Shaoli FU

IPC分类号： C22C9/00 ,  A61B10/02

摘要： The present disclosure discloses a copper-niobium alloy for a medical biopsy puncture needle. A needle core and/or needle tube of the puncture needle are/is made of the copper-niobium alloy. The copper-chromium alloy includes the following components by mass: 5≤Nb≤15 and the balance of Cu. According to the present disclosure, a copper alloy with designed components is obtained by combining a diamagnetic material Cu with paramagnetic Nb, and compared with existing medical stainless steel and titanium alloy, the copper alloy has greatly reduced magnetic susceptibility, and specifically, the artifact area and volume are also significantly reduced. In addition, the blank of use of the copper alloy in medical biopsy paracentesis is filled.