Combined urological retractor and instrument for inserting supra

Details Combined urological retractor and instrument for inserting supra Combined urological retractor and instrument for inserting supra

1992-07-17

1993-08-03

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604264, 606198, 128 20, A61M 3100

Patent

active

052324435

ABSTRACT:
A urological instrument combining in itself a function of a prostate retractor and an instrument for the insertion of a suprapubic catheter. The instrument has a curved tubular body (10) inserted into which is a flexible metallic tubular catheter (32). The catheter (32) is moveable from a feed mechanism (24) and is pivotally connected to a pair of foldable jaws (40 and 42) located on the distal end of the instrument. When the catheter is shifted towards the proximal end of the instrument, the jaws (40 and 42) are opened and when the catheter is shifted towards the distal end, the jaws are folded and are used for the attachment of a bullet-like perforating cup (56). The catheter (32) has a leader (64). For use as an instrument for the insertion of a suprapubic catheter (104), the instrument is introduced into the patient's urinary bladder (14) and then is moved forward for perforating the anterior abdominal wall by pushing a leader (64) and then using this leader as a guide for directing the bullet-like perforating cup which expands the perforation channel. The instrument is then used as a conventional instrument for the insertion of a suprapubic catheter (104). In case the instrument is used as a retractor, the jaws are opened and form a lever for pulling the bladder neck and the prostate outward to a position more accesable for the urologist who performs an operation.

REFERENCES:
patent: 832201 (1906-10-01), Kistler
patent: 862712 (1907-08-01), Collins
patent: 3628522 (1971-12-01), Kato
patent: 3920023 (1975-11-01), Dye et al.
patent: 5133727 (1992-07-01), Bales et al.
patent: 5152749 (1992-10-01), Giesy et al.

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