What Is theVascular Introducer?

In human anatomy, the femoral sheath is a band of fibrous tissue located in the femoral triangle of the upper thigh on both the left and right sides of the body. It essentially acts as a protective tubing through which the femoral artery, vein and lymph vessels pass on their way from the heart down to the legs. Each sheath is made of fascia, a special type of connective tissue. Its main job is to provide protection and guidance to the vessels as they transition from deep within the buttocks area to closer to the skin. This guiding and protective role is also echoed in a medical device that also carries the “femoral sheath” name. The device is a temporary, usually one-time use tube or synthetic covering that surgeons use to create a portal into a vein or artery of the upper thigh, usually for the purpose of introducing devices into the heart to diagnose or treat cardiac disease. The precise placement of this device is critical to its proper functioning, as well as to avoid complications like infection.

The femoral sheath and other types of fascia are all thought to provide a similar function, which is to transmit the tension in muscles throughout the body with a minimal amount of friction.

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