Prosthetic heart valve having non-linear struts

An implantable prosthetic device, comprising:

• a frame that is radially expandable and compressible between a radially compressed configuration and a radially expanded configuration, the frame comprising a plurality of struts, each strut of the plurality of struts comprising a first portion and a second portion separated by a deflection point,
• wherein each strut of the plurality of struts is curved helically with respect to a first, longitudinal axis of the frame;
• wherein the first portion of each strut of the plurality of struts is curved in a first direction with respect to a first line parallel to a second axis that is perpendicular to the first, longitudinal axis of the frame;
• wherein the second portion of each strut the plurality of struts is curved in a second direction with respect to a second line parallel to the second axis;
• wherein each strut of the plurality of struts comprises a plurality of segments, and wherein each segment of the plurality of segments is curved;
• wherein the plurality of struts comprises a first set of struts extending in a first direction and a second set of struts extending in a second direction, and wherein each strut of the first set of struts is connected to at least one strut of the second set of struts to form a plurality of cells;
• wherein the plurality of cells comprises a first row of cells adjacent a first end of the frame, and a second row of cells disposed between the first end and a second end of the frame, the first row of cells being smaller than the second row of cells;
• and
• wherein the plurality of struts comprises a plurality of inner struts and a plurality of outer struts pivotably coupled to the inner struts at a plurality of pivot joints.

An implantable prosthetic device, comprising:

• a frame that is radially expandable and compressible between a radially compressed configuration and a radially expanded configuration, the frame comprising a plurality of struts, each strut of the plurality of struts comprising a first portion and a second portion and is curved helically with respect to a first, longitudinal axis of the frame,
• wherein the first portion of each strut of the plurality of struts is curved in a first direction with respect to a second axis that is perpendicular to the first, longitudinal axis of the frame, and the second portion of each strut the plurality of struts is curved in a second direction with respect to the second axis;
• wherein the plurality of struts comprises a first set of struts extending in a first direction and a second set of struts extending in a second direction, and wherein each strut of the first set of struts is connected to at least one strut of the second set of struts to form a plurality of cells;
• wherein the plurality of cells comprises a first row of cells adjacent a first end of the frame, and a second row of cells disposed between the first end and a second end of the frame, the first row of cells being smaller than the second row of cells;
• and
• wherein the first portion of each strut extends from a first end of the frame to a deflection point and the second portion of each strut extends from the deflection point to a second end of the frame.