Stepped cannula
- 专利权人:
- Jürg M. Sommer;Krzysztof Bankiewicz
- 发明人:
- Krzysztof Bankiewicz,Jürg M. Sommer
- 申请号：
- US12891043
- 公开号：
- US08337458B2
- 申请日:
- 2010.09.27
- 申请国别(地区):
- US
- 年份:
- 2012
- 代理人:
- 摘要：
- Described herein are cannulas having a stepped exterior. Also described are methods of making and using these cannulas, for example to deliver one or more materials to the central nervous system of an animal.
- 来源网站：
- 中国工程科技知识中心
