Tubular Filter

摘要

A method of preparing a filter for delivery into a body vessel. The filter includes a hub disposed along a longitudinal axis and a plurality of anchor members extending from the hub. Each anchor member includes either a cranial extension or a caudal extension at a distal end thereof. At least one anchor member distal end may be spaced from the hub at each of a first, second, and third distance along the longitudinal axis. The filter also includes a plurality of locator members extending from the hub, the locator members alternatingly interposed between the anchor members.

主权项

1. A vascular blood filter comprising:
a hub disposed along a longitudinal axis; a plurality of anchor members extending from the hub;and
a locator member extending from the hub disposed between two adjacent anchor members,wherein
an anchor member comprises a distally disposed cranial extension base or a distally disposed caudal extension base, a cranial extension extends from the cranial extension base and comprises a cranial penetration member and a cranial limiter that is straight or curved,and
a caudal extension extends from the caudal extension base and comprises a caudal penetration member and a caudal limiter.