New anastomosis technique for (laparoscopic) instrumental small-diameter anastomosis |
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Authors: | O Schöb R Schmid R Schlumpf H P Klotz M Spiess F Largiadèr |
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Institution: | (1) Department of Surgery, Clinic for Visceral Surgery and Research Division, University of Zürich Hospital, Rämistrasse 100, CH-8091 Zürich, Switzerland |
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Abstract: | This study presents a new technique for visceral anastomosis. The principle consists of connecting the two parts to be anastomosed around a reabsorbable stent which is transluminally introduced into a small-diameter viscus, where it is fixed. Advancing a larger tube along the axis of the machine, the larger, perforated viscus is inverted and pulled over the stent, and finally a rubber band pops off the machine endoluminally in order to fix the intestinal walls in seroserosal contact onto the stent. To evaluate this micro anastomosis, a biliary bypass (choledochojejunostomy and roux-en-y-loop) was performed in ten pigs. Nine of ten animals showed biliary bypass with good runoff in contrast radiography and completely reabsorbed stent after a 3-month follow-up. Weight gain, bilirubin, and alkaline phosphatase were normal. This technology demonstrates a safe and quick way to perform instrumental micro anastomosis without remnant foreign material.Presented as a poster at the annual meeting of the Society of American Gastrointestinal Endoscopic Surgeons (SAGES), Nashville, TN, USA, 18–19 April 1994 |
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Keywords: | Surgical instrumentation Biliary surgery Anastomosing technology Malignant jaundice |
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