Surgical instrument for transcholedochal papillotomy

Details Surgical instrument for transcholedochal papillotomy Surgical instrument for transcholedochal papillotomy

1985-06-24

1988-03-08

Swiatek, Robert P.

Surgery

Truss

Pad

A61B 1732

Patent

active

047293748

ABSTRACT:
A surgical instrument suitable for use in transcholedochal papillotomy for incision of duodenal papilla without duodenal incision is disclosed, comprising a fixed handle; a ring movably attached to the fixed handle; a transmission catheter suitable for insertion through a choledochus without duodenal incision, attached at one end to the fixed handle; a guide positioned within the transmission catheter and actuated by movement of a ring; a fixed blade attached at a second end of the transmission catheter, the fixed blade having a blunt distal end; a movable blade distally hinged to the fixed blade and closing thereon proximally and completely in a direction opposite to that of insertion, the movable blade being actuated by a guide; and a spring for displacing the control means back to an original position after movement therefrom, the original position corresponding to a closed position of the movable blade relative to the fixed blade.

REFERENCES:
patent: 279413 (1883-06-01), McWilliams
patent: 2541246 (1951-02-01), Held
patent: 3455305 (1969-07-01), Ransy

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