Importance

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Abstract

This invention relates to endoscopes comprising for inserting an implant liner into an opening through a stricture in the urethra. According to the invention, the endoscope comprises the following features: (a) an outer barrel, a tensioning tube displaceable axially in the distal direction within said outer barrel against resilient means with radial clearance, an external annular ridge and longitudinal slots at the distal end of said tensioning tube the sections of said tube situated between said slots being arranged to spring radially inwards, (b) a holding tube which extends through said tensioning tube to receive a telescope said holding tube being fixed in relation to said outer barrel, and having a distal portion of reduced diameter, and an annular ridge adjacent its distal end, and (c) an implant liner which comprises a distal bush and a proximal bush between which are bridges formed by strips which are sprung to arch outwards, the inside diameter of said distal bush being smaller than the external diameter of said annular ridge on said distal section of reduced diameter of the said holding tube, and the inside diameter of said proximal bush being such that the bush can be inserted over said annularly ridge of said tensioning tube when the latter is sprung inwards and its outside diameter being such that it is carried in the barrel fitted into the distal end thereof.

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First Claim