Safety: Match load capacity to purpose with safety margin; avoid overload risks.
Equip dual (wheel + direction) locks for stable parking.
Secure caster-chassis connection; prevent detachment/jamming.
Functionality: Combine fixed/swivel casters for flexible movement in narrow spaces.
Elastic wheels + bearings for quiet operation and shock absorption.
Wheel hardness/diameter adapted to medical floors; ease obstacle crossing.
Hygiene: Use antibacterial/corrosion-resistant materials; easy to clean, no dirt traps.
Special-scene casters: anti-adhesive or cover-compatible to reduce cross-contamination.
Durability: Wear/aging-resistant wheels; rust/deformation-proof brackets for high-frequency use.
Pre-lubricated bearings; easy replacement of vulnerable parts.
Compliance: Meet CE, FDA, etc., medical certifications and standards.