Catheter
device · 3000 BC · Ancient world
A tube inserted into a body cavity.
Inventor: Michele Troja.
What it is made of
- Flexible silicone tube — has part. A channel for the liquid.
- Inflatable catheter balloon — has part. It inflates and holds the catheter in place.
- Tube connector — has part. Connection to the bag.
Principles and materials it uses
- Polyvinyl chloride (PVC) — is made of. Plastic catheters.
- Reed — is made of. The oldest catheters were reed tubes.
- Bronze — is made of. The Greeks and Romans made them of bronze.
Where it is used
- IV drip — is part of. A catheter.
- Angioplasty — is part of. A balloon catheter.