Systems and apparatus for providing motor protection in a power tool and method of manufacturing the same

A method of manufacturing a surgical device, comprising:

• providing a motor comprising a cannulated motor shaft, the cannulated motor shaft defining proximal and distal ends;
• providing a gear box device;
• providing a drive shaft communicatively connected to the cannulated motor shaft through the gear box device, the drive shaft extending distally from the gear box device and the cannulated motor shaft extending distally to the gear box device, wherein the cannulated motor shaft and the drive shaft have a common rotation axis;
• providing a drive shaft tube coupled to the drive shaft that extends proximally from the gear box device through the cannulated motor shaft and beyond the proximal end of the cannulated motor shaft;
• and
• providing a sealing member adjacent to the proximal end of the cannulated motor shaft, the sealing member providing a seal between the drive shaft tube and the motor, wherein the sealing member providing a seal between the drive shaft tube and the motor, wherein the sealing member comprises a concentric ring and a lip, the lip extending radially from the concentric ring, and the concentric ring being disposed around an outer surface of the drive shaft tube, wherein the lip is tapered from the concentric ring to the outer surface of the drive shaft, and the tapered portion of the lip contacts the outer surface of the drive shaft tube.