An Endoloop is a medical device used in various surgical and endoscopic procedures to ligate or snare tissues, such as polyps or lesions. It is typically a detachable nylon loop snare that is placed over a target area and tightened to form a haemostatic ligature. 

Key Features of Endoloops
Material: Made from nylon, which provides durability and flexibility.
Design: The Endoloop is designed as a detachable loop that can be tightened around a lesion or tissue to secure it.
Applications: Commonly used in laparoscopic surgeries, endoscopic procedures, and for managing bleeding from polyps or varices.

Types of Endoloops
Detachable Endoloops: These are designed to be released once tightened, allowing for permanent ligation.
Reusable Endoloops: Though less common, some designs may be reusable, though this is not typical for most clinical applications.

Advantages
Easy Application: The Endoloop is relatively simple to use, making it a cost-effective option compared to more complex suturing techniques.
Haemostatic Effect: Provides effective haemostasis by forming a tight ligature around the target tissue.
Low Cost: Offers a low-cost alternative to other methods of securing tissues or controlling bleeding.