CPC A61B 17/3205 (2013.01) [A61B 17/32053 (2013.01); A61B 17/320725 (2013.01); A61B 17/320016 (2013.01); A61B 17/3207 (2013.01); A61B 17/3209 (2013.01); A61N 2001/0578 (2013.01)] | 13 Claims |
1. A tissue slitting device comprising:
a shaft having a distal end, a longitudinal axis, and an inner lumen extending substantially through the shaft;
an actuation guide comprising a track, wherein the track comprises a linear portion substantially parallel to the longitudinal axis of the shaft and a non-linear portion proximal to the linear portion;
a cutting edge at the distal end of the shaft, wherein the cutting edge pivots on a pin that follows the track of the actuation guide; and
a support element having a tapered outer surface and a lumen running therethrough, wherein the lumen of the support element is in communication with the inner lumen of the shaft.
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