Product Parameters
| Classification standards for clean operating room rooms |
| Clean room grade | Maximum average concentration of bacteria by sedimentation method (planktonic method) | Air cleanliness class | Reference |
| Surgical area | Peripheral area | Surgical area | Peripheral area | surgery |
| 1 | 0. 2cfu/30min · φ90dish(5efu/m³) | 0. 4cfu/30min · φ90dish(10efu/m³) | 5 | 6 | Surgeries such as prosthesis implantation, certain large-scale organ transplants, and other operations where surgical site infections can directly endanger life and quality of life. |
| 2 | 0. 75cfu/30min · φ90dish(25efu/m³) | 1. 5cfu/30min · φ90dish(50efu/m³) | 6 | 7 | Major surgeries involving deep tissues and major vital organs |
| 3 | 2 cfu/30min · φ90dish(75efu/m³) | 4 cfu/30min · φ90dish(150efu/m³) | 7 | 8 | Other surgical operations |
| 4 | 6 cfu/30min · φ90dish | 8.5 | Infectious and severely contaminated surgeries |
| Classification Standards for Clean Operating Room Premises |
| Clean room grade | Maximum average concentration of bacteria by sedimentation method (planktonic method) | Air cleanliness class |
| 1 | Local centralized air supply area:0. 2cfu/30min · φ90dish,Other areas:0. 4cfu/30min · φ90dish | Local level 5, other areas level 6 |
| 2 | 1.5 cfu/30min · φ90dish | level 7 |
| 3 | 4 cfu/30min · φ90dish | level 8 |
| 4 | 6 cfu/30min · φ90dish | level 8.5 |
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