endoscope, in particular. for the endonasale surgery

摘要

it is an endoscope, in particular for the endonasale surgery is described. on the basis of an execution with a optical receiving a saugkanal and spu00fclkanal comprehensive suction and spu00fclschaft and a means for alternately arranged umschaltventil release or closure of the saugkanals orthe spu00fclkanals is a umschaltventil suggested that a freispu00fclen of saugkanals during the application of the endoskopes in the ku00f6rperhu00f6hle allows. this is achieved through training of umschaltventils by saugkanal in an intermediate position of the umschaltventils with soap beaufschlagbar, while in this process, the sauganschluu00df sealed.as a result, it is possible the risk of deposit of impurities by secretions, gewebeteile and the like in the saugkanal at least to alleviate or solve their substances and an incipient narrowing or even transfer of the cross-section of the saugkanals to beseit reduction.