| US 7,510,565 B2 | ||
| Embolic protection device | ||
| Paul Gilson, Moycullen (Ireland); Eamon Brady, Elphin (Ireland); Padraig Maher, Gloster (Ireland); David Vale, Clontarf (Ireland); and Charles Taylor, Warnlnglid (United Kingdom) | ||
| Assigned to Salviac Limited, Doublin (Ireland) | ||
| Filed on Jan. 05, 2006, as Appl. No. 11/325,480. | ||
| Application 11/325480 is a continuation of application No. 10/442259, filed on May 21, 2003. | ||
| Application 10/442259 is a continuation of application No. 10/058828, filed on Jan. 30, 2002. | ||
| Application 10/058828 is a continuation of application No. 09/921596, filed on Aug. 06, 2001, granted, now 6,432,122. | ||
| Application 09/921596 is a continuation of application No. 09/188472, filed on Nov. 09, 1998, granted, now 6,336,934. | ||
| Claims priority of application No. 97 0789 (IE), filed on Nov. 07, 1997; and application No. 98 0267 (IE), filed on Apr. 08, 1998. | ||
| Prior Publication US 2006/0129182 A1, Jun. 15, 2006 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. A61M 29/00 (2006.01) | ||
| U.S. Cl. 606—200 | 32 Claims |
| 1. A filtration device for removing embolic material in body fluid, the filtration device having a pre-deployment state and
a deployment state, comprising:
a guidewire having a longitudinal axis; and
a filter assembly comprising:
a first collar, the guidewire extending through the first collar, the first collar being slidably movable on the guidewire;
a second collar, the guidewire extending through the second collar, the second collar being slidably movable on the guidewire;
a filter element coupled to the first collar and the second collar, the filter element comprising a filter membrane and a
filter support frame for the membrane;
the filter frame being collapsed in the pre-deployment state and the filter frame being expanded in the deployment state,
the filter frame and collars being slidable in the pre-deployment and in the expanded deployment state;
the filter element having at least one inlet opening at a proximal end of the filter element and a plurality of outlet openings
towards a distal end of the filter element, the outlet openings allowing the body fluid to flow through the filter element
but retaining embolic material within the filter element, and the inlet opening being larger than any of the outlet openings;
and
the filter membrane having a proximal end which terminates distal of a proximal end of the filter support frame.
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