Antistatic caster wheel structure, its characteristic is that includes chassis, shock absorbing device, supporting device, castor device and braking device, supporting device including stents and fender fittings, the damping device inside the bracket of damping material for elastomer. Antistatic caster wheel structure, its characteristics is described several steel balls for connection between the chassis and support. Antistatic caster wheel structure, its characteristics is described in the circle of castor plant including castor and caster, casters on castor circle shape. Antistatic caster wheel structure, its characteristics is described in the brakes include brakes, brake release plate and the brake lever, brake lever side near the castor with dentate; Described the pedal end of the bracket cover fittings axis; Described the brake release board, respectively, and the brake pedal and brake lever at one end of the shaft, the brake lever at the other end is installed on the bracket cover fittings. Antistatic caster wheel structure, its characteristics is described on the brake pedal and brake release board has dentate anti-skid slot. Antistatic caster wheel structure, its characteristics is described in castor for antistatic polyurethane materials. Anti-static castor structure, including chassis, shock absorbing device, supporting device, castor device and braking device, supporting device including stents and fender fittings, the damping device inside the bracket of damping material for elastomer. The utility model beneficial effect is 1) Castor with elastomer reduce vibration mode, damping effect is good; 2) Caster wheel brake USES is the brake, brake, brake release only need to release the brakes when plate, convenient in use process; 3) Stents fender fitting for an organic whole, molding easily. A medical mute casters with anti-static dust prevention, including anti-static protection shell and the power cord, described in the esd protection shell with internal mute roller, as described in the outer surface of the mute roller equipped with non-slip mat, described on one side of the mat with dustproof plug, as described in the inner surface of the esd protection shell is equipped with sliding bearing, the inner surface of sliding bearing is equipped with link rod, described in the esd protection with the top of the shell is equipped with the support bar, on one side of the support bar is equipped with damping spring, described above the top of the damping spring is equipped with the axis of rotation, described in the axis of rotation of the upper end is equipped with installation cushion, described in the installation pad has fixed on both sides of the screw, described in the esd protection shell is equipped with brakes on only one side of tooth, described the brake on one side of the tooth has a fixed rod, brake the lower end of the tooth has described friction pads, as described in the lower end of the power cord is equipped with mini generators, described the micro generator and esd protection shell fixed connection, referred to the top of the power cord is equipped with LED lights, LED lamp body described the internal equipped with leds, as described in the bottom of the micro generator is equipped with 2 set screws, described in the installation surface is equipped with fastening cushion with the top of the pad.