See how a single-motor linkage system replaces multiple motors to adjust backrest, seat, and fo
See how a linkage mechanism synchronizes shampoo basin and back cushion adjustment to eliminate
A sealed sleeve and fluid ports contain, agitate, and drain wash water around the head, enabling sink-free hair washing for bedridden users.
Selective laser targeting of hair melanin enables decorative lightening and depigmentation while reducing scalp irritation and skin damage.
Central timer mechanism with rotatable marker ring tracks multiple hair colorants in separate bowls, resolving manual timing errors.
Gradient surface tension on applicator spikes prevents droplet coalescence and eliminates artificial stiffness in styled hair.
Integrating storage and mixing in a single vessel eliminates incomplete emptying errors, ensuring accurate ratios for viscous hair treatment substances.