Budget Humerus Bone Model (Left) Chest Tube / Drain correct ventilation is prevented because

correct ventilation is prevented because of the narrowing of the passages

With this model

The system can be pressurised using synthetic blood to induce an authentic flashback when the needle is inserted

The 4 stages illustrate:

Budget Humerus Bone Model (Left) Chest Tube / Drain correct ventilation is prevented becauseA life size cast of a left humerus bone, for basic anatomical study. A good value arm bone model for schools, or for use as an artist's prop. A right version of the humerus bone model is also available, along with a budget upper limb skeleton model and a full range of individual bone replicas. Discounts available on multiple purchases of this item, please contact us for further details.