WALKING AUXILIARY DEVICE

• Main Authors: SAITO YASUSHI, KIKUCHI TAKAYUKI, NISHIZAWA SHINICHI, KOGANEZAWA KOICHI, KOBAYASHI NOBUYUKI, FUKUZAWA YUJI
• Format: Patent
• Language: English; Japanese
• Published: 11.03.2021
• Subjects: ARTIFICIAL RESPIRATION; BANDAGES, DRESSINGS OR ABSORBENT PADS; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSESOR SPECIFIC PARTS OF THE BODY; CHAMBERS PROVIDED WITH MANIPULATION DEVICES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; HAND TOOLS; HUMAN NECESSITIES; HYGIENE; MANIPULATORS; MASSAGE; MEDICAL OR VETERINARY SCIENCE; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PERFORMING OPERATIONS; PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING ORSTIMULATING REFLEX POINTS IN THE BODY; PORTABLE POWER-DRIVEN TOOLS; PROSTHESES; TRANSPORTING; TREATMENT OR PROTECTION OF EYES OR EARS

To provide a walking auxiliary device that enables natural walking motion.SOLUTION: A hydraulic artificial leg 1 comprises: a hydraulic cylinder 7 that is provided between a support member 2 attached to a user's femur and a lower thigh member 3 and contracts when the lower thigh member 3 rotates in a flexion direction with respect to the support member 2; a hydraulic cylinder 8 that is provided between the lower thigh member 3 and a foot member 4 and contracts when the foot member 4 rotates in a dorsal flexion direction with respect to the lower thigh member 3; and a first communication passage 101 that makes a piston side chamber 74 for discharging liquid when the hydraulic cylinder 7 contracts communicate with a piston side chamber 84 for discharging liquid when the hydraulic cylinder 8 contracts.SELECTED DRAWING: Figure 1 【課題】自然な歩行動作をとることが可能な歩行補助装置を提供する。【解決手段】油圧義足１は、使用者の大腿部に取り付けられる支持部材２と下腿部材３との間に設けられ、支持部材２に対して下腿部材３が屈曲方向に回動すると収縮する油圧シリンダ７と、下腿部材３と足部材４との間に設けられ、下腿部材３に対して足部材４が背屈方向に回動すると収縮する油圧シリンダ８と、油圧シリンダ７が収縮するときに液体を排出するピストン側室７４と油圧シリンダ８が収縮するときに液体を排出するピストン側室８４とを連通させる第１連通路１０１と、を備える。【選択図】図１