Disposable Thoracic Drainage Device (Water-Seal Type) Used in conjunction with a drainage catheter, this device is intended for closed thoracic drainage following surgeries such as pulmonary resection, esophageal cancer, mediastinal and cardiac procedures. It is also suitable for treating pneumothorax, hemothorax, and empyema caused by chest trauma or thoracic diseases Product Features: • External water-seal tube for easy observation and negative pressure monitoring • Fine fluid chamber for visual drainage a ssessment and volume measurement • Anti-reflux design helps prevent postoperative complications such as pneumothorax or empyema • Positive pressure release valve automatically expels residual air to aid thoracic decompression • Manual negative pressure control to regulate intrathoracic pressure and restore effective drainage • Integrated design with excellent sealing performance (with Manual Pressure Release Valve) Triple-Chamber Thoracic Drainage Device (Without Pressure Release Valve) Triple-Chamber Thoracic Drainage Device ( Drainage Bottle Capacity:2000ML C Double-Chamber Thoracic Drainage Device Drainage Bottle Capacity:!400Ml2000ML Single-Chamber Thoracic Drainage Device C Drainage Bottle Capacity:1400ML