A surgical conduit leak testing system, comprising: a manifold assembly including a first manifold spaced from a second manifold , each of the first and second manifolds sealingly clampable to a respective end of a surgical conduit , the first manifold fluidly coupling a lumen of the surgical conduit to a testing gas port when the surgical conduit is sealingly clamped thereto; and a meter fluidly coupled to the testing gas port , the meter suitable for determining at least a gas flow rate; characterised in that , each of the first and second manifolds comprises a piston disposed in a chamber therein, wherein the piston is reversibly displaceable within the chamber between a first position and a second position, wherein, in the first position, the respective end of the surgical conduit is not sealingly clamped to the respective manifold , and in the second position, the respective end of the surgical conduit is sealingly clamped to the respective manifold ; wherein at least one of the first and second manifolds includes a mandrel , a portion of which is dimensioned to receive the respective end of the surgical conduit and an elastomeric clamping ring disposed around the portion of the mandrel , when the piston is in the first position, the elastomeric clamping ring is radially spaced from the portion of the mandrel by a first distance, when the piston is in the second position, the piston compresses the elastomeric clamping ring , urging the elastomeric clamping ring radially towards the portion of the mandrel to a radial space of a second distance, and the first distance is greater than the second distance. a manifold assembly including a first manifold spaced from a second manifold , each of the first and second manifolds sealingly clampable to a respective end of a surgical conduit , the first manifold fluidly coupling a lumen of the surgical conduit to a testing gas port when the surgical conduit is sealingly clamped thereto; and a meter fluidly coupled to the testing gas port , the meter suitable for determining at least a gas flow rate; characterised in that , each of the first and second manifolds comprises a piston disposed in a chamber therein, wherein the piston is reversibly displaceable within the chamber between a first position and a second position, wherein, in the first position, the respective end of the surgical conduit is not sealingly clamped to the respective manifold , and in the second position, the respective end of the surgical conduit is sealingly clamped to the respective manifold ; wherein at least one of the first and second manifolds includes a mandrel , a portion of which is dimensioned to receive the respective end of the surgical conduit and an elastomeric clamping ring disposed around the portion of the mandrel , when the piston is in the first position, the elastomeric clamping ring is radially spaced from the portion of the mandrel by a first distance, when the piston is in the second position, the piston compresses the elastomeric clamping ring , urging the elastomeric clamping ring radially towards the portion of the mandrel to a radial space of a second distance, and the first distance is greater than the second distance. <EOS>