Medical devices and methods of making the same

A medical device including a catheter having a first component having a first color and a wall thickness and a second component having a second color different from the first color and a wall thickness. The first component and the second component are joined by a lap weld having a wall thickness such that the wall thickness of the lap weld is greater than the first component wall thickness and also greater than the second component wall thickness. The first component wall thickness is spaced apart from the lap weld and the second component wall thickness is spaced apart from the lap weld. The first component is disposed over the second component and the first color is selected from the group consisting of blue, green, orange, yellow, or purple.