Endoscopic apparatus with a laser light conductor
First Claim
1. An endoscopic bladder tumor treating apparatus using a laser radiation for said treating, comprising optical fiber light conductor means having an input end and an output end for transmitting a tumor treating laser radiation through said optical fiber light conductor means, endoscopic viewing means operatively arranged in parallel to said optical fiber light conductor means for inspecting an interior bladder wall, rigid sleeve means (5) operatively secured to said output end of said laser radiation transmitting optical fiber light conductor means for protecting said output end of the laser radiation transmitting optical fiber light conductor means against destruction by said tumor treating laser radiation, hinging means operatively secured to said rigid sleeve means, and manipulating means extending from said input end operatively connected to said hinging means for manipulating said output end substantially from said input end, said apparatus further comprising support means for slidably supporting said laser radiation transmitting optical fiber light conducting means in said rigid sleeve for axial displacement in said rigid sleeve means, shifting means operatively connected to said laser radiation transmitting optical fiber light conductor means, said shifting means being arranged adjacent said input end of said laser radiation transmitting optical fiber light conductor means, protective jacket means (2) operatively enclosing said laser radiation transmitting optical fiber light conductor means (3) except for said output end held by said rigid sleeve (5), said shifting means comprising slide bearing means (17), said light conductor means (3) with its jacket means (2) being operatively secured to said slide bearing means (17), said shifting means further comprising housing means (16, 21) holding said slide bearing means and spring means (19) also held in said housing means for biasing said slide bearing means into a starting position, said shifting means being operable to adjust said output end of said laser radiation transmitting optical fiber light conductor means (3) into a tumor treatment position whereby said output end is substantially recessed in said rigid sleeve (5) and into an output end cleaning position wherein said output end protrudes from said rigid sleeve (5).
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Accused Products
Abstract
The present endoscopic apparatus with a laser light conductor is used for irradiating bladder tumors in man with a laser light beam. For this purpose a jacketed light conducting fiber is arranged in parallel to an optical viewing device. A rigid bushing is secured to the output end of the light conducting fiber. The bushing includes a hinging member connected to a push rod or cable pull for remote manipulation of the output end of the light conduct ng fiber. Preferably, the light conducting fiber is axially shiftable in its jacket. For this purpose a shifting device, located at the input or operating end of the apparatus is operatively connected to the light conducting fiber.
157 Citations
10 Claims
- 1. An endoscopic bladder tumor treating apparatus using a laser radiation for said treating, comprising optical fiber light conductor means having an input end and an output end for transmitting a tumor treating laser radiation through said optical fiber light conductor means, endoscopic viewing means operatively arranged in parallel to said optical fiber light conductor means for inspecting an interior bladder wall, rigid sleeve means (5) operatively secured to said output end of said laser radiation transmitting optical fiber light conductor means for protecting said output end of the laser radiation transmitting optical fiber light conductor means against destruction by said tumor treating laser radiation, hinging means operatively secured to said rigid sleeve means, and manipulating means extending from said input end operatively connected to said hinging means for manipulating said output end substantially from said input end, said apparatus further comprising support means for slidably supporting said laser radiation transmitting optical fiber light conducting means in said rigid sleeve for axial displacement in said rigid sleeve means, shifting means operatively connected to said laser radiation transmitting optical fiber light conductor means, said shifting means being arranged adjacent said input end of said laser radiation transmitting optical fiber light conductor means, protective jacket means (2) operatively enclosing said laser radiation transmitting optical fiber light conductor means (3) except for said output end held by said rigid sleeve (5), said shifting means comprising slide bearing means (17), said light conductor means (3) with its jacket means (2) being operatively secured to said slide bearing means (17), said shifting means further comprising housing means (16, 21) holding said slide bearing means and spring means (19) also held in said housing means for biasing said slide bearing means into a starting position, said shifting means being operable to adjust said output end of said laser radiation transmitting optical fiber light conductor means (3) into a tumor treatment position whereby said output end is substantially recessed in said rigid sleeve (5) and into an output end cleaning position wherein said output end protrudes from said rigid sleeve (5).
Specification