Gastrostomy catheter system

Details Gastrostomy catheter system Gastrostomy catheter system

A - Human Necessities

61

M

A61M 25/04 (2006.01) A61J 15/00 (2006.01) A61M 25/02 (2006.01)

Patent

CA 2151259

This invention is a system and method for inserting a gastrostomy catheter (10) through a passageway formed through the abdominal and stomach walls (11, 12) of a patient. The gastrostomy catheter (10) is mounted onto a dilatation catheter (13) with a dilatation member such as an inelastic balloon (14) on the distal extremity thereof. An introducer needle is first advanced through the walls of the patient's abdomen and stomach (11, 12) into the interior of the stomach and then a guide wire is advanced through the inner lumen of the needle into the stomach interior. The gastrostomy catheter/dilatation catheter assembly (10, 13) is advanced over the guide wire until the balloon (14) on the dilatation catheter (13) is in proper position crossing both the abdominal and gastric walls (11, 12). Upon inflation of the balloon (14) on the dilatation catheter (13), the passageway is expanded enough so that the gastrostomy catheter (10) can be advanced therethrough to dispose the distal end of the gastrostomy catheter (10) within the interior of the stomach. The balloon (14) on the distal end of the gastrostomy catheter (10) is inflated so as to for an internal retention member.

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