发明名称 |
Systems and methods for detecting tissue contact and needle penetration depth |
摘要 |
A system for detecting tissue contact and penetration depth. The system comprises a needle sheath having a needle sheath inner diameter and a needle sheath outer diameter. A first conductive region is disposed on the needle sheath inner diameter. A needle having a needle insulation layer on the outer diameter upon which a second conductive region is disposed within the first conductive region. A dielectric layer is disposed between the first conductive tube and the second conductive tube. A capacitance sensor is coupled to the first conductive region and the second conductive region.
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申请公布号 |
US6951549(B1) |
申请公布日期 |
2005.10.04 |
申请号 |
US20020262203 |
申请日期 |
2002.09.30 |
申请人 |
ADVANCED CARDIOVASCULAR SYSTEMS, INC. |
发明人 |
BEYERLEIN DAGMAR |
分类号 |
A61B5/053;A61M5/00;A61N1/30;H05K3/20;(IPC1-7):A61M5/00 |
主分类号 |
A61B5/053 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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