Patent ID: 6193733
Filing Date: 2001-02-27
Classification: A61B,A61F

Abstract:
A method for causing the hemostasis of a blood vessel located along the gastrointestinal tract, said method comprising the steps of:providing a clip exhibiting pseudoelastic behavior at body temperature;deforming said clip from a first configuration to a second configuration;delivering said clip to a target location along the gastrointestinal tract, said delivering occurring with the use of a delivery device which holds said clip in said second configuration; andreleasing said clip from said delivery device such that said clip is urged toward said first configuration, said clip thereby applying sufficient constrictive forces to said blood vessel to cause hemostasis thereof; wherein:said first configuration of said clip is substantially circular;said delivery device comprisesan endoscope;a collar mounted on said endoscope;a hypodermic needle having an arc configuration and a pointed end, said hypodermic needle being housed in said collar; anda tissue grasper extendable from said endoscope; andsaid deforming step comprises the step of inserting said clip into said hypodermic needle such that said second configuration of said clip is an arc.