6 results about "Metatarsal region" patented technology

This invention relates to the design and fabrication method of a flexible sensor array for plantar pressure monitoring. The flexible sensor array includes a first sensing unit and a second sensing unit. The first sensing unit is applied to the 1st metatarsal region, the 2nd-5th metatarsal regions, the medial heel region, and the lateral heel region. The second sensing unit is applied to the 1st metatarsal region, the 2nd metatarsal region, the 3rd metatarsal region, the 4th metatarsal region, the 5th metatarsal region, and the midfoot region. By optimizing the size, number, and distribution of the sensing units, complete representation of plantar pressure information is achieved, effectively solving the problem of low resolution and insufficient representation of plantar pressure information in existing sensors. A swelling process is used to enhance the interface of the quasi-homogeneous materials of the sensor, improving the interface stability and reliability of the sensor. The fabrication method of the plantar pressure monitoring sensor array of this invention has the advantages of low cost, easy mass production, and easy large-area expansion.

The utility model discloses a sole structure, footwear product, this sole structure includes upper layer midsole, lower layer midsole, big sole and reinforcing plate. Lower layer midsole contains first, second, third support module of mutual separation, wherein, the compression deformation rate of first support module located in the forefoot lateral side is lower than the second support module of inside. Reinforcing plate is located between upper and lower midsole, and it has straight section of linear form corresponding to metatarsal region of foot. The bottom surface of second support module constitutes arc rolling contour, and its lowest point being tangent to horizontal plane is configured behind reinforcing plate straight section. Meanwhile, first support module and the straight section of reinforcing plate at least partially overlap in vertical direction. The sole structure can improve the natural torsion deficiency of the foot of the forefoot runner landing and the problem that the energy feedback is weak in the moment of climbing the ground.

The invention provides a rebound torsion-resistant sole and a shoe. The sole comprises a first midsole and a second midsole. The front end of the heel part extends forwards to form a first wing part, a second wing part, a third wing part and a fourth wing part, the first wing part and the second wing part are arranged at intervals in the width direction, and the third wing part and the fourth wing part are located above the two wing parts. The first wing part is located on the outer foot side and extends to the front end of the sole, and the second wing part is located on the inner foot side and extends to the metatarsal area; the front ends of the third wing part and the fourth wing part are downwards connected to the first wing part and the second wing part respectively and are flush in the front-back direction. The second insole is provided with a supporting part and a foot bed part, the supporting part is embedded between the first wing part and the second wing part, and the foot bed part is embedded between the third wing part and the fourth wing part. The rebound rate of the second midsole is higher than that of the first midsole, and the damping G value of the first midsole is lower than that of the second midsole. The sole can provide good rebound resilience and torsion resistance.

A shoe includes a knit upper and a sole secured to the knit upper. The knit upper is formed with a first type of knit structure knitted with a thermoplastic yarn in a first area. The first area is in at least the toe region of the knit upper. In a second area including at least the medial and lateral metatarsal regions of the knit upper, the knit upper is formed with a second type of knit structure knitted with a second yarn having a higher melting temperature than the thermoplastic yarn. A rear boundary line of the first area and a forward boundary line of the second area define a boundary line between the first and second areas.

The application discloses a friction nanogenerator sensor array for gait detection and a preparation method thereof. The sensor array comprises a shoe pad body and a plurality of sensing unit groups integrated in the shoe pad body; the plurality of sensing unit groups comprise a first unit group corresponding to a heel region, a second unit group corresponding to a metatarsal region and a third unit group corresponding to a toe region; each sensing unit comprises, from top to bottom, an upper friction layer, an upper electrode, a multi-degree-of-freedom elastic support body, a limiting frame, a lower electrode and a lower friction layer; the multi-degree-of-freedom elastic support body comprises a plurality of inclined columns and a central column distributed in a circumferential direction, and is used for realizing mechanical decoupling of a vertical force, bidirectional shear force and a torsional moment; and flexible isolation grooves are arranged between adjacent sensing units. Through the partition differentiated structure design, the multi-degree-of-freedom force-electricity decoupling and the inter-unit crosstalk suppression, the application solves technical problems such as multi-directional force coupling, contradiction between spatial resolution and comfort, poor long-term cycle stability and the like in gait detection, and realizes high-precision and high-durability monitoring of plantar mechanics space-time distribution.