Bowhead ERA Wheelchairs

The Bowhead ERA Wheelchairs are manually operated mechanical wheelchairs made with composite materials, intended for adults restricted to sitting positions who need mobility assistance. Users self-propel by pushing the rear wheels and can use the chairs indoors and outdoors. Four wheelchair models are available, each with adjustable dimensions including seat width, height, depth, backrest angle, and wheelbase.

The Bowhead ERA differs from predicate devices in device weight (2.5–6 kg vs. 9.2–10.7 lbs), weight capacity (110 kg vs. 250 lbs), seat dimensions, back height range, wheel sizes, frame material (carbon fiber vs. aluminum or carbon fiber), and brake configuration. However, both share identical intended use, self-propelled manual operation, rigid folding design, identical caster sizes, identical push handle availability, identical foot rest integration, and identical manual wheel lock and anti-tip safety features.

RESNA WC-1:2019 standards were used, including Section 1 (static stability), Section 3 (brake effectiveness), Section 5 (overall dimensions and mass), Section 7 (seating and wheel dimensions), Section 8 (static, impact, and fatigue strength), and Section 13 (coefficient of friction). Flammability testing was also conducted.

The Bowhead ERA has the same intended use and principle of operation as the predicate devices (APEX Manual Wheelchair and Panthera X). Although technological differences exist in weight, capacity, and dimensions, these differences do not raise different safety or effectiveness questions because non-clinical testing demonstrates the device meets the same performance standards. The device shares key identical safety features (brakes, wheel locks, anti-tip), control mode (manual self-propulsion), and operational environment with predicates, establishing that design variations do not compromise safety or efficacy.