- A key to clean chair
- Original foot control light function
- Interlock machine chair,avoid the wrong operation
- Emergency chair,escort for you
- Lie on your back process only 9 seconds
- The composite of human body engineering
- Deadened the noise of air suction system
- A broader view of the zero block
- Postoperative clean the chair
- Security scram
- Utility is a key switch
- Utility separation
- Emergency chair bit
- Blocked to protect
- Interlock machine chair
