Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1986-05-19
1988-04-19
Truluck, Dalton L.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
128 4, 604280, A61M 2500
Patent
active
047386592
ABSTRACT:
A direct visualization urethral catheter includes a catheter having a side wall and an open distal end, a proximal end and a bore extending between the ends. In use, the catheter is adapted to be associated with a cystoscope which is placed within the bore of the catheter from the proximal end and has a lens at the distal end for direct vision of the body orifice through the open distal end. The distal end is so constructed and arranged with reinforcing means to permit the catheter lens to be inserted into the selected body orifice while assuring against unintentional penetration of the lens through the open distal end.
REFERENCES:
patent: 2548602 (1951-04-01), Greenburg
patent: 3417745 (1968-12-01), Sheldon
patent: 3809072 (1974-05-01), Ersek et al.
patent: 3913565 (1975-10-01), Kawahara
patent: 4148319 (1979-04-01), Kasper et al.
patent: 4176662 (1979-12-01), Frazer
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