US Patent 7361158 Catheter including textured interface

A catheter including a body for insertion into a blood vessel of a medical patient. The body including an interface thereon which is the portion of the body that is inserted into and in contact with the skin or blood vessel of the patient. The interface includes texture on its exterior surface such that when the catheter body is inserted into the blood vessel, the texture secures the catheter body from migration at the point of entry of the catheter body into the patient. The texture is obtained by scoring or molding an irregular surface along the length of the interface. In the event that the catheter is configured for use with an introducer or cannula, portions of the introducer or cannula may also be textured in accordance with the invention.