An apparatus comprising: a first hypotube formed from a first material and including a first sidewall and a first lumen defined within the first sidewall and extending through the first hypotube, the first hypotube including a first inner diameter and a first outer diameter; a second hypotube formed from a second material different from the first material and including a second sidewall and a second lumen defined within the second sidewall and extending through the second hypotube, the second hypotube including a second inner diameter and a second outer diameter, wherein the second inner diameter is substantially similar to the first inner diameter and the second outer diameter is substantially similar to the first outer diameter; and a first joint between and joining the first hypotube and the second hypotube, the first joint including a combination of the first material and the second material, the combination being formed after a fusion of the first material and the second material, the first joint including a first joint inner diameter that is substantially similar to the first and second inner diameters (210A; 220A), wherein the apparatus includes a sidewall and a passageway defined within the sidewall and extending through the apparatus, the sidewall formed by the first sidewall, the second sidewall, and the first joint, the passageway formed by the first lumen, the second lumen, and the first joint inner diameter, the apparatus including an outer diameter that is substantially consistent along a length of the apparatus and an inner diameter that is substantially consistent along a length of the apparatus; wherein the first material includes Nitinol and the second material includes a nickel-cobalt-based alloy. a first hypotube formed from a first material and including a first sidewall and a first lumen defined within the first sidewall and extending through the first hypotube, the first hypotube including a first inner diameter and a first outer diameter; a second hypotube formed from a second material different from the first material and including a second sidewall and a second lumen defined within the second sidewall and extending through the second hypotube, the second hypotube including a second inner diameter and a second outer diameter, wherein the second inner diameter is substantially similar to the first inner diameter and the second outer diameter is substantially similar to the first outer diameter; and a first joint between and joining the first hypotube and the second hypotube, the first joint including a combination of the first material and the second material, the combination being formed after a fusion of the first material and the second material, the first joint including a first joint inner diameter that is substantially similar to the first and second inner diameters (210A; 220A), wherein the apparatus includes a sidewall and a passageway defined within the sidewall and extending through the apparatus, the sidewall formed by the first sidewall, the second sidewall, and the first joint, the passageway formed by the first lumen, the second lumen, and the first joint inner diameter, the apparatus including an outer diameter that is substantially consistent along a length of the apparatus and an inner diameter that is substantially consistent along a length of the apparatus; wherein the first material includes Nitinol and the second material includes a nickel-cobalt-based alloy.