Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators (iron lungs A61H31/02); Tracheal tubes

Child Classifications

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• A61M 16/0003
• A61M 16/0045
• A61M 16/0048
• A61M 16/0051
• A61M 16/0054
• A61M 16/0057
• A61M 16/0087
• A61M 16/0096
• A61M 16/01 specially adapted for anaesthetising
• A61M 16/021
• A61M 16/04 Tracheal tubes (catheters in general A61M25/00)
• A61M 16/06 Respiratory or anaesthetic masks
• A61M 16/08 Bellows; Connecting tubes
• A61M 16/10 Preparation of respiratory gases or vapours
• A61M 16/20 Valves specially adapted to medical respiratory devices
• A61M 16/22 Carbon dioxide-absorbing devices (cartridges with absorbing substances for respiratory apparatus A62B19/00)