Özyegin Üniversitesi

Ramazan Unal

Ozgur Karaoglan

Ege Gediksiz

Sinan Emre

Baris Baysal

Baris Akin

Ahmed Abdelrahman Ibrahim Elsayed

A prosthesis or orthosis device includes a knee joint connectable with the user's leg; a swing storage spring-gear mechanism comprising a balancing spring inserted in an ankle member housing located in an ankle member, a drive gear, a driven gear, an intermediate gear and a gear rod, and a foot part comprising a dorsiflexion spring; a lower leg connecting a knee joint and a foot part to each other, in which a weight-receiving member is located; and a swing storage mechanism connected to the foot part by a second housing of the connection tube and a gear rod pin, and to the knee joint by a first housing of the connection tube and a first housing of the knee joint; and a weight-receiving mechanism comprising a weight-receiving member and a compression arm and a lock fork for activating and deactivating the weight-receiving member.

Transfemoral prosthesis for walking, sitting- standing, stair climbing

A test platform system for testing lower limb assistive devices includes a lower limb device, a guide system by which the movement of a lower limb device is simulated during its transition between positions, a second motor that performs the movement of the lower limb device, and a moving belt.

Test platform system

A chairless chair exoskeleton in order to provide seating support to the user while the user is standing particularly in industrial field includes at least one foot connection element for being connected to the foot of the user and at least one calf support element connected to said foot connection element, and at least one thigh support element connected to said calf support element by means of at least one joint and at least one energy storage element associated to the thigh support element from one side and associated to the calf support element from the other side.

Growing community of inventors

Istanbul, Turkey

Ramazan Unal