A tissue removal system, comprising: a handpiece; an outer cannula having an outer cannula lumen, a proximal end, a distal end, and an outer cannula opening adjacent the distal end, wherein the opening defines a cutting edge for severing tissue; the tissue removal system further comprising: a fluid supply sleeve disposed about the outer cannula, wherein the fluid supply sleeve includes an elongated channel section that comprises an outer cannula channel and at least one fluid supply channel, and wherein the outer cannula channel is in fluid communication with the fluid supply channel along the entire length of the elongated channel section and wherein the fluid supply sleeve is configured to be selectively positioned along the length of the outer cannula so as to selectively occlude a portion of the outer cannula opening; an inner cannula disposed in the outer cannula lumen and reciprocable within the outer cannula lumen, the inner cannula having an inner cannula lumen, a proximal end, an open distal end, a cutting edge at the distal end, a living hinge, a cutting section, and a body section, with the hinge being located between the cutting section and the body section, wherein the cutting section is pivotable when the inner cannula reciprocates within the outer cannula lumen; and a vacuum generator in fluid communication with the inner cannula lumen. a handpiece; an outer cannula having an outer cannula lumen, a proximal end, a distal end, and an outer cannula opening adjacent the distal end, wherein the opening defines a cutting edge for severing tissue; the tissue removal system further comprising: a fluid supply sleeve disposed about the outer cannula, wherein the fluid supply sleeve includes an elongated channel section that comprises an outer cannula channel and at least one fluid supply channel, and wherein the outer cannula channel is in fluid communication with the fluid supply channel along the entire length of the elongated channel section and wherein the fluid supply sleeve is configured to be selectively positioned along the length of the outer cannula so as to selectively occlude a portion of the outer cannula opening; an inner cannula disposed in the outer cannula lumen and reciprocable within the outer cannula lumen, the inner cannula having an inner cannula lumen, a proximal end, an open distal end, a cutting edge at the distal end, a living hinge, a cutting section, and a body section, with the hinge being located between the cutting section and the body section, wherein the cutting section is pivotable when the inner cannula reciprocates within the outer cannula lumen; and a vacuum generator in fluid communication with the inner cannula lumen. a fluid supply sleeve disposed about the outer cannula, wherein the fluid supply sleeve includes an elongated channel section that comprises an outer cannula channel and at least one fluid supply channel, and wherein the outer cannula channel is in fluid communication with the fluid supply channel along the entire length of the elongated channel section and wherein the fluid supply sleeve is configured to be selectively positioned along the length of the outer cannula so as to selectively occlude a portion of the outer cannula opening; an inner cannula disposed in the outer cannula lumen and reciprocable within the outer cannula lumen, the inner cannula having an inner cannula lumen, a proximal end, an open distal end, a cutting edge at the distal end, a living hinge, a cutting section, and a body section, with the hinge being located between the cutting section and the body section, wherein the cutting section is pivotable when the inner cannula reciprocates within the outer cannula lumen; and a vacuum generator in fluid communication with the inner cannula lumen.