What is cystoscope?

Some articles on cystoscope, cystoscopes:

Cystoscopy - Test Procedures
... The doctor will gently insert the tip of the cystoscope into the urethra and slowly glide it up into the bladder ... A sterile liquid (water, saline, or glycine solution) will flow through the cystoscope to slowly fill the bladder and stretch it so that the doctor has a better view of the ... The time from insertion of the cystoscope to removal may be only a few minutes, or it may be longer if the physician finds a stone and decides to remove it, or in cases where a biopsy is required ...
Urethrotomy - The Procedure
... five minutes, then removed immediately prior to the insertion of a cystoscope equipped with a transurethral injection system containing a local anesthetic (most often 2% (plain ... The cystoscope (and injection system) will be withdrawn, and sufficient time will be allowed for the local anesthetic to take effect (usually five-to-ten minutes) ... At this time a rigid urethrotome or a flexible cystoscope/urethrotome combination will be inserted and guided to the face of the stricture and a small blade towards the tip of the instrument ...
Maximilian Nitze
... maker Joseph Leiter (1830–1892), he is credited with the invention of the modern cystoscope a device used in diagnostics of the bladder ... The Nitze-Leiter cystoscope was first publicly demonstrated in 1879 ... by Thomas Edison allowed further improvements to the cystoscope in 1887 Nitze constructed an apparatus that no longer needed a cooling-system ...
Cystoscopy
... It is carried out with a cystoscope ... The cystoscope has lenses like a telescope or microscope ... Some cystoscopes use optical fibres (flexible glass fibres) that carry an image from the tip of the instrument to a viewing piece at the other end ...