| 发明名称 |
Suction retraction instrument |
| 摘要 |
A suction retraction instrument comprises an elongated hollow suction pipe having a port at its lower end and secured to a manifold at its upper end and a retractor arm secured to the pipe adjacent the lower end and extending at an angle therefrom.
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| 申请公布号 |
US4049000(A) |
申请公布日期 |
1977.09.20 |
| 申请号 |
US19750601058 |
申请日期 |
1975.08.01 |
| 申请人 |
WILLIAMS, ROBERT W. |
发明人 |
WILLIAMS, ROBERT W. |
| 分类号 |
A61M1/00;(IPC1-7):A61M1/06 |
主分类号 |
A61M1/00 |
| 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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