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Apparatus for endoscopic-transpapillary exploration of biliary tract

  • US 4,905,667 A
  • Filed: 12/01/1988
  • Issued: 03/06/1990
  • Est. Priority Date: 05/12/1987
  • Status: Expired due to Term
First Claim
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1. An apparatus for the endoscopic transpapillary exploration of a biliary tract comprising a side-view duodenoscope for insertion into the duodenum with its distal end at the duodenal papilla, a probe catheter for being slid through the side-view duodenoscope and the duodenal papilla into the common bile duct and a guide wire for arrangement in the side-view duodenoscope and the probe catheter, characterized in that the probe catheter and the guide wire are suitably constructed to be advanced as far as the cystic cut, and the apparatus includes a guide catheter to be slid over the guide wire, the guide catheter being preformed with bends corresponding to a Judkins or right coronary catheter and with a conically shaped tip for deflection into the cystic duct with the guide wire retracted, a probe wire with a flexible tip piece for being inserted through the guide catheter and through the cystic duct into the gall bladder lumen and an irrigation catheter or a small endoscope for being passed into the gall bladder lumen by means of the probe wire with the guide catheter retracted.

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