## Understanding the Trocar and Cannula Difference.
1. What is a trocar?
2. What is a cannula?
### 1. What is a trocar?
A trocar is a medical instrument that consists of a sharp pointed end attached to a hollow tube. It is commonly used in surgical procedures to puncture the body in order to access or drain fluid from a cavity. Trocars are typically inserted through an incision made in the skin and are designed to provide a pathway for other instruments or devices to be introduced into the body.
### 2. What is a cannula?
A cannula, on the other hand, is a thin tube that is inserted into the body to administer fluids or medications, or to drain fluids or gases. Unlike a trocar, a cannula does not have a sharp tip. It is typically used in medical procedures such as intravenous therapy, where fluids need to be delivered directly into the bloodstream, or in suctioning procedures, where fluids need to be removed from the body.
In summary, the main difference between a trocar and a cannula lies in their design and purpose. While a trocar is used to puncture the body and create a pathway for access or drainage, a cannula is a tube used to deliver or remove fluids from the body without causing further tissue damage. Both instruments play important roles in medical procedures and are essential tools for healthcare providers.
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