CATHETER ALLOWING VARIABLE DOSING OF AN ACTIVE AGENT

A drug eluting catheter includes an active agent, such as a drug or chemical substance, which is integrated with the catheter and allows variable dosing of the agent for elution to the patient's body. The catheter includes a dosing region and graduated markings or is associated with a measurement device that includes graduated markings that correspond to a range of dose of the active agent associated with the catheter. By removing or masking an undesired dosing region prior to administration, a user may vary the dosage to suit a patient's needs. 种药物洗脱导管，包括与导管结合的活性剂如药物或者化学物质，并允许改变洗脱至患者体内的活性剂的剂量。该导管包括剂量区域和刻度标记，或者与包括刻度标记的测量装置相结合，所述刻度标记对应于与导管相结合的活性剂的剂量范围。在施用之前通过去除或遮盖不期望的剂量区域，使用者可以改变剂量以适应患者的需要。