发明名称 |
Curving device in an endoscope |
摘要 |
The curving device in an endoscope is made highly flexible yet resistant to bending. The guide tube of the curving end section is provided with a groove or ring-shaped grooves which are formed respectively spirally or at equal intervals in the outer wall of the guide tube. The coil is made of a wire whose diameter is substantially equal to the depth of the groove or grooves and smaller than the width of the groove or grooves. The coil is fitted into the groove or grooves in a spiral manner.
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申请公布号 |
US4236509(A) |
申请公布日期 |
1980.12.02 |
申请号 |
US19770852640 |
申请日期 |
1977.11.18 |
申请人 |
TAKAHASHI, NAGASHIGE;NODA, NOBUHIRO |
发明人 |
TAKAHASHI, NAGASHIGE;NODA, NOBUHIRO |
分类号 |
A61B1/00;A61B1/005;(IPC1-7):A61B1/00 |
主分类号 |
A61B1/00 |
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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