CPC A61H 23/008 (2013.01) [A61B 17/225 (2013.01); A61H 2201/0153 (2013.01); A61H 2201/1207 (2013.01); A61H 2201/1418 (2013.01); A61H 2201/1602 (2013.01); A61H 2201/5058 (2013.01); A61N 1/00 (2013.01); A61N 2007/0008 (2013.01)] | 18 Claims |
1. A treatment device comprising:
a housing;
a motor disposed within the housing;
a drive shaft driven by the motor and configured to translate along a first axis;
a compression spring concentric with the drive shaft;
a helical cam disposed adjacent the compression spring, the helical cam having a flat end, and an irregular end having at least one discontinuity, the drive shaft passing through the helical cam from the flat end to the irregular end, the helical cam being configured for rotational movement, but being prohibited from translation along the first axis;
at least one cam follower directly coupled to, and in contact with, the drive shaft and configured to travel along the helical cam, the at least one cam follower being configured to translate along the first axis; and
a blunt tip aligned with the helical cam, the blunt tip being configured and arranged to contact body tissue to induce a micro-trauma.
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