Manual wheelchairs from Karman Healthcare are available in your choice of either folding or rigid designs. Rigid wheelchairs, which are increasingly preferred by active users, have permanently welded joints and fewer moving parts. This reduces the energy that is required to push the chair by eliminating many points where the chair would flex as it is moved. Welding the joints also reduces the overall weight of the chair. Rigid chairs typically feature instant-release rear wheels and backrests that fold down flat, allowing the user to dismantle the chair quickly for storage in a car.
Many rigid models are now made with ultralight materials such as aircraft aluminum and titanium. Another innovation in rigid chair design is the installation of polymer shock absorbers, which cushion the bumps over which the wheelchair rolls. These polymers may be added to the front wheels or to the rear wheels, or both.
Various optional accessories are available, such as anti-tip bars or wheels, safety belts, adjustable backrests, tilt and/or recline features, extra support for limbs or neck, mounts or mobility equipment holders for crutches, walkers or oxygen tanks, drink holders, and clothing protectors.
Transport wheelchairs are usually light, folding chairs with four small wheels designed to be pushed by a caregiver to provide mobility for patients outside the home or more common medical settings.