Endoscope and method for its manufacturing
View Patent ↗An endoscope has a shaft which is composed of an outer tube and an inner tube, providing a channel therebetween. The proximal end of the shaft is connected to an endoscope head. The endoscope head is provided with a light guide connector. Light guides extend from said light guide connector to a distal end of said channel in said shaft. Said channel housing said light guides is filled with an adhesive.
1. An endoscope, having a shaft, said shaft comprising an outer tube, an inner tube inserted into said outer tube, a channel being disposed between an outer side of said inner tube and an inner side of said outer tube, an endoscope head housing a proximal end of said shaft, a light guide connector projecting from said endoscope head and having a terminal mouth opening, and light guides extending from said terminal mouth opening of said light guide connector to a distal end of said shaft, said endoscope head having a cavity, in which said light guides are passed from said proximal end of said shaft to said terminal mouth opening of said light guide connector, wherein said channel housing said light guides and said cavity are both filled completely with a cured adhesive, and wherein said light guide connector comprises a hollow sleeve and said light guides extend through said hollow sleeve, and; wherein a bore is provided in a wall of said hollow sleeve, said bore extending from a level of said terminal mouth opening to said cavity and opening into said cavity for filling said cavity with said adhesive, and said bore being separated from an inner hollow space of said hollow sleeve.