Novate Medical Limited

Salviac Limited

Shane Molloy

David Vale

Brendan Casey

Paul Gilson

Steven Horan

Jerome A Henry

Karl Keating

Jacqueline O'Gorman

Aidan Dominic Goggin

Martin Keegan

Ronan O'Connor

Siora Coll

Earmon Brady

A vascular filter device () comprises a plurality of filter elements () which are movable from a capturing position to an open position upon elapse of a predetermined period of time. In the capturing position the filter elements () are configured to capture thrombus passing through the inferior vena cava. In the open position the filter elements () are configured to facilitate unrestricted blood flow. The filter elements () are biased towards the open position. The filter () comprises a holder member () to temporarily hold the filter elements () in the capturing position until elapse of the predetermined period of time. The holder member () comprises a biostable wire element () which extends through an opening () in each filter element (), and a biodegradable/bioabsorbable stop element (). Upon biodegrading/bioabsorbing of the stop element (), the filter elements () are free to move from the capturing position to the open position.

Vascular filter device

A vascular filter device comprises a support; and a filter comprising one or more filter elements configured to capture thrombus passing through a blood vessel. A holder holds the filter in a closed filtering state and releases to convert the filter to an open state after a period of time. The filter is adapted to retain thrombus after said conversion. In one case the filter elements are arranged to remain in a closed state after release by the holder, because they are blocked by a retained clot from opening fully, and the filter elements are biased to the open state with a bias level which is counter balanced by force exerted by a retained clot under action of blood flow.

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County Galway, Ireland

Shane Molloy