The present invention pertains to a device for securing a medical implement to the body of a patient such as a catheter. The device preferably comprises a base pad with at least a portion of the bottom surface having adhesive thereon for attaching the device to the body of the patient. The device also has a securement member attached to the base pad. The securement member preferably has a rigid member base with a flexible gear rack extending from one side and an adjustable locking device extending from the other side. The locking device is adjustably lockable to the gear rack by a lock case with a ratchet and at least one open side. A center pad is mounted on the rigid member base and a lock pad is mounted adjacent to the locking device. The base pad can also further comprise a transparent window.