发明名称 |
Endoscope |
摘要 |
An endoscope includes a light conducting outer tube and a light absorbing inner tube, with the inner tube being located concentric with the outer tube and being spaced a distance radially inwardly from the outer tube so as to maintain total internal reflection in the light conducting material of the outer tube.
|
申请公布号 |
US4215678(A) |
申请公布日期 |
1980.08.05 |
申请号 |
US19770772500 |
申请日期 |
1977.02.28 |
申请人 |
HEINE OPTOTECHNIK GMBH AND CO KG;PROPPER MFG CO INC |
发明人 |
ERFURT, WERNER E;HEINE, HELMUT A |
分类号 |
A61B1/303;A61B1/307;A61B1/31;(IPC1-7):A61B1/06 |
主分类号 |
A61B1/303 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|