A multichannel cannula for carrying a substance to and from a bone , comprising: a first channel having an open proximal end and an open distal end, wherein the first channel is configured to receive a stabilizing wire ; a second channel having an inlet portal and an exit portal , wherein the inlet portal and the exit portal are in fluid communication; and a distal tip at a distal end of the cannula , the tip comprising a tapered portion and an engagement portion , and having a channel extending therethrough for receiving a portion of the stabilizing wire ; wherein the engagement portion of the distal tip comprises a portion having a smaller diameter than an inner diameter of the second channel such that the engagement portion can be received within the second channel and wherein the engagement portion is coupled to the first channel . the multichannel cannula being characterized in that it further comprises: a cap closing at least a portion of the inlet portal and having a delivery port in fluid communication with the inlet portal of the second channel , the delivery port extending at an angle relative to the cannula , and the cap further comprising a channel for receiving a portion of the cannula therein; and a plunger movable between a first position and a second position within the second channel , and wherein the cap is configured to fit over the cannula and a portion of the plunger . a first channel having an open proximal end and an open distal end, wherein the first channel is configured to receive a stabilizing wire ; a second channel having an inlet portal and an exit portal , wherein the inlet portal and the exit portal are in fluid communication; and a distal tip at a distal end of the cannula , the tip comprising a tapered portion and an engagement portion , and having a channel extending therethrough for receiving a portion of the stabilizing wire ; wherein the engagement portion of the distal tip comprises a portion having a smaller diameter than an inner diameter of the second channel such that the engagement portion can be received within the second channel and wherein the engagement portion is coupled to the first channel . the multichannel cannula being characterized in that it further comprises: a cap closing at least a portion of the inlet portal and having a delivery port in fluid communication with the inlet portal of the second channel , the delivery port extending at an angle relative to the cannula , and the cap further comprising a channel for receiving a portion of the cannula therein; and a plunger movable between a first position and a second position within the second channel , and wherein the cap is configured to fit over the cannula and a portion of the plunger . a cap closing at least a portion of the inlet portal and having a delivery port in fluid communication with the inlet portal of the second channel , the delivery port extending at an angle relative to the cannula , and the cap further comprising a channel for receiving a portion of the cannula therein; and a plunger movable between a first position and a second position within the second channel , and wherein the cap is configured to fit over the cannula and a portion of the plunger . <EOS>