A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/02 (2006.01) A61F 2/01 (2006.01) A61M 25/00 (2006.01) A61F 2/00 (2006.01)
Patent
CA 2067164
The invention relates to an anti-pulmonary embolism filter of the type made of an elastic wire with remanent spring effect, characterized in that it is configured like a spiral (1) with three non jointed turns (2, 3, 4), the medial turn (3) having a diameter (d3) larger than the diameter (d2, d4) of the two other turns, the diameter (d3) being selected to be approximately equal to the value of the semi-circonference of the vena cava in the area where the filter has to be implanted in order to optimally ensure the function in holding in place the filter by flattening the vena cava.
La présente invention concerne un filtre anti-embolie pulmonaire, du type réalisé en un fil élastique à effet de ressort rémanent, caractérisé en ce qu'il est conformé en une spirale (1) à trois spires non jointives (2, 3, 4) dont la spire médiane (3) a un diamètre (d3) supérieur à ceux (d2, d4) des deux autres spires, que ce diamètre (d3) est choisi voisin de la valeur de la demi-circonférence de la veine cave dans la zone où le filtre doit être implanté pour assurer optimalement la fonction de maintien en place du filtre par aplatissement de la veine cave.
Dibie Alain
Musset Dominique
Association Pour La Recherche En Imagerie de L'hopital Antoine B
Dibie Alain
Fetherstonhaugh & Co.
Fondation de L'avenir Pour La Recherche Medicale Appliquee
Musset Dominique
LandOfFree
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