Instrument for slitting stenoses in bodily passages

Details Instrument for slitting stenoses in bodily passages Instrument for slitting stenoses in bodily passages

1987-06-25

1987-12-15

Thaler, Michael H.

Surgery

Truss

Pad

128305, A61B 1732

Patent

active

047125470

ABSTRACT:
An instrument such as a ureterotome for slitting stenoses in bodily passages. A shaft for inserting into the ureter has a blade set in a distal shaft portion. During insertion the blade projects axially with a distal rounded-off cutter extremity out of the shaft this being its inoperative position. When the shaft is in place the blade may be outwardly pivoted through a distally open longitudinal slot of the shaft by means of a proximal handle and of a traction wire. The shaft being traversed laterally beside the blade by a passage for passing through a guiding wire by means of which the ureterotome is introduced into the ureter.

REFERENCES:
patent: 518600 (1894-04-01), Hallman
patent: 749689 (1904-01-01), Houghton
patent: 1127948 (1915-02-01), Wappler
patent: 1677337 (1928-07-01), Grove
patent: 2541246 (1951-02-01), Held
patent: 2655154 (1953-10-01), Richter
patent: 4627436 (1986-12-01), Leckrone

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