Artificial contractile tissue

Details Artificial contractile tissue Artificial contractile tissue

A - Human Necessities

61

F

A61F 2/00 (2006.01)

Patent

CA 2635658

Artificial contractile tissue comprising a structure (b, f) and several fibers (a, g) of variable length which are fixed at their ends to said structure (b, f); said fibers (a, g) being made of a contractile material which can be activated by an activator in such a way as to provide a tissue in a rest or in an activated position, the rest position being defined with non-rectilinear fibers (a, g) and the activated position being defined with fibers (a, g) of reduced length; the transition from the rest towards the activated position or vice-versa being defined by a fiber movement along a lateral direction which is perpendicular with respect to the fiber length.

La présente invention concerne un tissu contractile artificiel comprenant une structure (b, f) et plusieurs fibres (a, g) de longueur variable qui sont fixées par leurs extrémités à ladite structure (b, f). Ces fibres (a, g) sont faire d'un matériau contractile qui peut être rendu actif au moyen d'un actionneur de façon à constituer un tissu dans une position au repos ou dans une position active, la position au repos étant définie par une non-linéarité des fibres (a, g) et la position active par une longueur réduite des fibres (a, g). Les transitions entre la position au repos et la position active sont définies par un déplacement de fibres selon un axe latéral perpendiculaire à la longueur de la fibre.

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