Clip applier having improved hemostasis and methods of use

摘要

A hemostasis assembly having a selectively expandable hemostasis member can be used with a medical device and in a method for delivering a closure element through tissue and into an opening formed in, or adjacent to, a wall of a blood vessel or other body lumen of any size while maintaining or improving hemostasis. The medical device and method of use utilizes such an expandable hemostasis member to maintain or improve hemostasis throughout a medical procedure for closing and/or sealing openings through tissues and/or blood vessels.

主权项

1. A method of closing an opening in a body lumen of a subject, the method comprising:
providing a medical device having an expandable hemostasis member; locating the body lumen with a locator; expanding the expandable hemostasis member to conform to the wall of the body lumen so as to create hemostasis across the opening while the expandable hemostasis member is expanded; and deploying a closure element having a plurality of tines tapering toward a distal end into the body lumen so as to close the opening and create hemostasis while the closure element is deployed.