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2025

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11

Disposable Breathing Circuit--Corrugated and Expandable


Breathing circuits are vital consumables used to connect ventilators for patients’ endotracheal tube, playing a vital role in delivering oxygen and providing respiratory support for mechanically ventilated patients. Globally, up to 20 million critically ill patients require mechanical ventilation each year. To meet the diverse needs of different patients and clinical procedures, various types of breathing circuits are available on the market. Undis Medical products primarily cover the fields of respiratory, anesthesia, and emergency care, with our breathing circuits established as a durable and reliable foundational consumable in clinical mechanical ventilation. Today, we would show our corrugated and expandable breathing circuits.

  • non-kinking and Crush Resistance

The unique annular corrugated structure effectively disperses external pressure while maintaining flexibility. Even in difficult scenarios or with agitated patients, this design helps maintain lumen patency, ensuring continuous and stable airflow. It significantly mitigates the risk of tube kinking  due to twisting, thereby enhancing ventilation safety and improving the overall quality of clinical airway management.

 

  • Flexibility and Adaptive Length

Free telescopic adjustment:The expandable tube has excellent elasticity. This makes it easy for healthcare professionals to extend it as needed, according to the patient-ventilator distance. This prevents undue traction on the patient's airway and avoids problems related to excessive tube length, such as entanglement or dragging.

360 ° flexible:Superior pliability enables the tube to bend and be positioned in any direction, allowing it to easily navigate around bed rails, stands, or other equipment. This ensures the water trap is always at the circuit's lowest point, no matter how the patient is positioned. This position prevents condensate backflow, thereby reducing the risk of VAP. It also facilitates an optimized 6S bed unit layout. These advantages are particularly evident during prone ventilation and positional changes.

  • Low Breathing Resistance and Low Compliance

Our circuit design ensures a breathing resistance of less than 0.2 kPa. Even when bent, the airflow resistance pressure does not exceed 150% compared with the tube when it is traight. This reduces the patient's work of breathing, which is especially beneficial for patients with weak spontaneous breathing or those undergoing weaning.

Our breathing circuits boast a compliance of no more than 10 mL/kPa per meter of tube length. This ensures accurate delivery of tidal volume to the patient and reduces the risk of carbon dioxide rebreathing.

  • Shape Recovery and Durability

Following bending or extension, the tube rapidly returns to its original shape, resisting permanent creases. This ensures the internal diameter remains clear and performance remains stable over the long term.

The connectors on our circuits are securely connected with UV adhesive, providing a reliable connection that minimizes the risk of accidental  disconnect.

  • Strong Versatility and User-Friendly Operation

Our breathing circuits feature standardized connectors (22mm/15mm), ensuring excellent compatibility with mainstream ventilators, humidification devices, masks, and artificial airways. The simple, direct connections facilitate quick and easy setup, which is crucial in clinical and emergency situations.