Recommended sizes for clinical devices
Device | Recommended Size |
|---|---|
Oropharyngeal Airway (OPA) | 3 |
Nasopharyngeal Airway (NPA) | 7 |
Endotracheal Tube and Laryngoscope Blade | 7 to 8.5 |
i-gel Airway | 4 |
King LTS-D/LT-D | 4 |
Combitube | 37 Fr (small adult) |
Laryngeal Mask Airway (LMA) | 4 or 5 |
Tracheostomy Tube | 8 Fr |
Airway Suctioning | Rigid Adult Size |
Thoracostomy Needle | 22 G |
Chest Tube | 14-28 Fr |
IV Catheter | 22 G |
Urinary Catheter Size | 16 Fr |
IM Needle | 21 G (maximum) |
Mask (for ventilation) | Laerdal Adult Mask 4 to 5+ |
Intraosseous (IO) Access | Tibial: BIG Automatic Intraosseous Device, 15 G EZ-IO, 15 G x 1”, 1.8mm x 25mm Jamshidi ® Illinois Bone Marrow Aspiration/Intraosseous Infusion Needle. 18 Ga. 9/16” (14mm)-1 ½” (38mm) |
Intraosseous (IO) Access (Articulated arms) | Humeral: BIG Automatic Intraosseous Device, 15 G EZ-IO, 15 G x 1”, 1.8mm x 25mm or 45mm |
CAUTION
Incorrect use of larger devices can damage the IO bones and/or internal components.