Uretero-renoscope

Details Uretero-renoscope Uretero-renoscope

1986-01-29

1987-08-11

Howell, Kyle L.

Surgery

Truss

Perineal

A61B 100

Patent

active

046854495

ABSTRACT:
A uretero-renoscope comprises a renoscope shaft and interchangeable first and second optical systems which can be inserted through the shaft and coupled to it at its proximal end. The first optical system has a straight-through objective and is also adapted to allow the passage through it of instruments such as a stone disintegrator. To enable the kidney and/or ureter to be inspected for debris after disintegration of a stone, the first optical system can be withdrawin from the shaft, leaving the shaft in place in the urinary tract, and replaced by a second optical system having a delfected angle of view, suitably of about 70.degree. C. this avoids the necessity of withdrawing and replacing the shaft itself.

REFERENCES:
patent: 1150214 (1915-08-01), London
patent: 1705513 (1929-03-01), Wappler
patent: 1880551 (1932-10-01), Wappler
patent: 2227727 (1941-01-01), Leggiadro
patent: 2990830 (1961-07-01), Hett
patent: 3071129 (1963-01-01), Wasserman
patent: 4517962 (1985-05-01), Heckele
patent: 4538594 (1985-09-01), Boekel et al.

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