A stent delivery system comprising: an elongate shaft including a proximal portion, a distal portion, a lumen extending at least partially therethrough, and a stent receiving portion on the distal portion of the shaft; a stent positioned at the stent receiving portion of the elongate shaft, the stent having a constrained configuration and an expanded configuration; a proximal constraining member connected to an outer shaft movably positionable over a portion of the elongate shaft, the proximal constraining member connected to the outer shaft proximal to the stent receiving portion on the elongate shaft and having a first position and a second position, the proximal constraining member comprising a first proximal loop interwoven through one or more peaks of the stent, a second proximal loop attached to the outer shaft, and a proximal retaining wire releasably extending through the first and second proximal loops so that the proximal end portion of the stent is releasably connected to the outer shaft; a distal constraining member connected to the elongate shaft distal to the stent receiving portion and having a first position and a second position, the distal constraining member comprising a first distal loop interwoven through one or more peaks of the stent, a second distal loop attached to the elongate shaft, and a distal retaining wire releasably extending through the first and second distal loops so that the distal end portion of the stent is releasably connected to the elongate shaft; wherein the proximal constraining member and the distal constraining member in the first position cooperatively apply a longitudinal tensile force to at least a portion of the stent so that the stent is in the constrained configuration; wherein the proximal constraining member and the distal constraining member in the second position cooperatively release the tensile force so that the stent is in the expanded configuration; and wherein the proximal and distal constraining members are movably positionable to the first position from the second position to return the stent to the constrained configuration from the expanded configuration. an elongate shaft including a proximal portion, a distal portion, a lumen extending at least partially therethrough, and a stent receiving portion on the distal portion of the shaft; a stent positioned at the stent receiving portion of the elongate shaft, the stent having a constrained configuration and an expanded configuration; a proximal constraining member connected to an outer shaft movably positionable over a portion of the elongate shaft, the proximal constraining member connected to the outer shaft proximal to the stent receiving portion on the elongate shaft and having a first position and a second position, the proximal constraining member comprising a first proximal loop interwoven through one or more peaks of the stent, a second proximal loop attached to the outer shaft, and a proximal retaining wire releasably extending through the first and second proximal loops so that the proximal end portion of the stent is releasably connected to the outer shaft; a distal constraining member connected to the elongate shaft distal to the stent receiving portion and having a first position and a second position, the distal constraining member comprising a first distal loop interwoven through one or more peaks of the stent, a second distal loop attached to the elongate shaft, and a distal retaining wire releasably extending through the first and second distal loops so that the distal end portion of the stent is releasably connected to the elongate shaft; wherein the proximal constraining member and the distal constraining member in the first position cooperatively apply a longitudinal tensile force to at least a portion of the stent so that the stent is in the constrained configuration; wherein the proximal constraining member and the distal constraining member in the second position cooperatively release the tensile force so that the stent is in the expanded configuration; and wherein the proximal and distal constraining members are movably positionable to the first position from the second position to return the stent to the constrained configuration from the expanded configuration.