A stretchable fabric signal path may include a conductive strand located between first and second outer fabric layers. The outer fabric layers may be formed from intertwined strands of elastic material. The conductive strand may have a wavy shape to accommodate stretching of the stretchable fabric signal path. First and second inner fabric layers may be located between the outer stretchable fabric layers. The inner fabric layers may be formed from intertwined strands of non-elastic material. The inner fabric layers may have strands that are intertwined with the outer fabric layers to serve as anchor points for maintaining the shape of the conductive strand as the stretchable fabric signal path expands and contracts. The outer fabric layers and inner fabric layers may be woven. The conductive strand may convey electrical signals such as audio signals, power signals, data signals, or other suitable signals.

A stretchable fabric signal path may include a conductive strand located between first and second outer fabric layers. The outer fabric layers may be formed from intertwined strands of elastic material. The conductive strand may have a wavy shape to accommodate stretching of the stretchable fabric signal path. First and second inner fabric layers may be located between the outer stretchable fabric layers. The inner fabric layers may be formed from intertwined strands of non-elastic material. The inner fabric layers may have strands that are intertwined with the outer fabric layers to serve as anchor points for maintaining the shape of the conductive strand as the stretchable fabric signal path expands and contracts. The outer fabric layers and inner fabric layers may be woven. The conductive strand may convey electrical signals such as audio signals, power signals, data signals, or other suitable signals.

A stable conductive myocardial patch with a negative Poisson's ratio structure is provided. The preparation method includes preparing a myocardial patch substrate with concave polygons as the structural units by weaving or knitting, and then a conductive coating is coated on the surface of the substrate. Alternatively, the yarns can be processed into conductive coated yarns first, and then used as the raw material to weave or knit a stable conductive myocardial patch with a negative Poisson's ratio structure. The prepared myocardial patch has a relative resistance change of less than 5% at 50% tensile strain. When the strain of the structural units is within 50%, the fabric exhibits a negative Poisson's ratio structure, which expands in the perpendicular direction of the tensile load. The fabric exhibits a negative Poisson's ratio effect and anisotropy of Young's modulus, which matches the mechanical behavior of natural myocardium.

A stable conductive myocardial patch with a negative Poisson's ratio structure is provided. The preparation method includes preparing a myocardial patch substrate with concave polygons as the structural units by weaving or knitting, and then a conductive coating is coated on the surface of the substrate. Alternatively, the yarns can be processed into conductive coated yarns first, and then used as the raw material to weave or knit a stable conductive myocardial patch with a negative Poisson's ratio structure. The prepared myocardial patch has a relative resistance change of less than 5% at 50% tensile strain. When the strain of the structural units is within 50%, the fabric exhibits a negative Poisson's ratio structure, which expands in the perpendicular direction of the tensile load. The fabric exhibits a negative Poisson's ratio effect and anisotropy of Young's modulus, which matches the mechanical behavior of natural myocardium.

A woven textile defines a longitudinal direction and a transverse direction and includes a first layer, a second layer, and at least one binding thread. The first layer includes at least one first braid extending in a sinusoidal wave pattern. The second layer includes a plurality of rows of second braid extending along the transverse direction in a sinusoidal wave pattern. The rows of second braid are aligned along the longitudinal direction and are separated. Each of the rows of second braid is stacked with the at least one first braid to form a plurality of overlap portions. The at least one binding thread is woven with each of the rows of second braid and the at least one first braid together at the overlap portions to fix the row of second braid and the at least one first braid.

A woven textile defines a longitudinal direction and a transverse direction and includes a first layer, a second layer, and at least one binding thread. The first layer includes at least one first braid extending in a sinusoidal wave pattern. The second layer includes a plurality of rows of second braid extending along the transverse direction in a sinusoidal wave pattern. The rows of second braid are aligned along the longitudinal direction and are separated. Each of the rows of second braid is stacked with the at least one first braid to form a plurality of overlap portions. The at least one binding thread is woven with each of the rows of second braid and the at least one first braid together at the overlap portions to fix the row of second braid and the at least one first braid.

A woven textile defines a longitudinal direction and a horizontal direction. The woven textile includes at least one first zone, at least one second zone, at least one first binding thread, and at least one second binding thread. The first zone includes at least one first braid. The first braid is woven by a plurality of filaments and extends in a sinusoidal wave pattern. The second zone includes at least one second braid. The second braid is woven by a plurality of filaments and extends in a sinusoidal wave pattern. The first zone and the second zone are aligned along the longitudinal direction. The first binding thread extends along the horizontal direction and is woven with the first braid. The second binding thread extends along the horizontal direction and is woven with the second braid.

A woven textile defines a longitudinal direction and a horizontal direction. The woven textile includes at least one first zone, at least one second zone, at least one first binding thread, and at least one second binding thread. The first zone includes at least one first braid. The first braid is woven by a plurality of filaments and extends in a sinusoidal wave pattern. The second zone includes at least one second braid. The second braid is woven by a plurality of filaments and extends in a sinusoidal wave pattern. The first zone and the second zone are aligned along the longitudinal direction. The first binding thread extends along the horizontal direction and is woven with the first braid. The second binding thread extends along the horizontal direction and is woven with the second braid.

The woven textile has a first end and an opposite second end. A longitudinal direction is defined by the first end and the second end. The woven textile includes an upper layer, a lower layer, and at least one binding thread. The upper layer includes at least one first braid woven by a plurality of filaments and extending in a meandering way to form a plurality of hollow portions. The lower layer includes at least one second braid woven by a plurality of filaments and extending in a meandering way to form a plurality of hollow portions. The binding thread fixes the first braid and the second braid together by weaving so that the upper layer and the lower layer are positioned by the binding thread.

The woven textile has a first end and an opposite second end. A longitudinal direction is defined by the first end and the second end. The woven textile includes an upper layer, a lower layer, and at least one binding thread. The upper layer includes at least one first braid woven by a plurality of filaments and extending in a meandering way to form a plurality of hollow portions. The lower layer includes at least one second braid woven by a plurality of filaments and extending in a meandering way to form a plurality of hollow portions. The binding thread fixes the first braid and the second braid together by weaving so that the upper layer and the lower layer are positioned by the binding thread.