Arrangement consisting of ureter tube, (stent) mandrin and auxil

Details Arrangement consisting of ureter tube, (stent) mandrin and auxil Arrangement consisting of ureter tube, (stent) mandrin and auxil

1991-09-12

1994-03-22

Lewis, Ralph

Surgery

Devices transferring fluids from within one area of body to...

604170, 604281, A61M 2500

Patent

active

052959546

ABSTRACT:
An arrangement comprising a ureter tube, a mandrin having an outer shaft and an inner shaft, the inner shaft being longitudinally movable relatively to the outer shaft, and an auxiliary tube, the ureter tube and auxiliary tube being slidable onto the mandrin, and the mandrin and the ureter tube being releasably connected with each other; pear the proximal end of the mandrin outer shaft provisions are made for facilitating the introduction of an X-ray contrasting medium, and the distal end of the ureter tube having at its face a central opening, whereby the contrasting medium is enabled to flow through the length of the mandrin outer shaft in a substantially rectilinear path and to then exit the arrangement at the central opening. Focusing on another aspect of the arrangement, the distal end of the mandrin outer shaft and the mandrin inner shaft are approximately flush with the outer surface of the ureter tube tip surrounding the central opening, whereby traumatization of the ureter during introduction of the ureter tube with the mandrin inner shaft and the mandrin outer shaft therein is avoided.

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