DILATOR WITH SLIT AND SLIDABLE SLEEVE
- 专利权人:
- Sainath Intellectual Properties; LLC
- 发明人:
- Venkata Sesha Sayi Nath Iyunni
- 申请号:
- US16574661
- 公开号:
- US20200009359A1
- 申请日:
- 2019.09.18
- 申请国别(地区):
- US
- 年份:
- 2020
- 代理人:
- 摘要:
- The invention includes a dilator comprising a tube and an elastic, unitary sleeve that is slidable both longitudinally and transversely to the cylindrical barrel when disposed on the tube.
- 来源网站:
- 中国工程科技知识中心