Patent 10507023 was granted and assigned to Cook Medical on December, 2019 by the United States Patent and Trademark Office.
The present disclosure describes filter devices for deployment to body vessels where clots or emboli may need to be captured, particularly the vena cava. The filter device is of a spiral construction, having a first loop and a second loop, with a helical portion extending helically therebetween. The first and second loops assist in the filter being self-centering within a body vessel. A method of making a filter device is also disclosed.