Instruments Patents (Class 606/1)
- Cutter drive reversed to clean material therefrom (Class 606/168)
- Cutter having vibratory drive means (Class 606/169)
- Cutter carried on elongated probe-like member (Class 606/170)
- Means to limit cutter penetration depth (e.g., dura guard) (Class 606/172)
- Shear type (e.g., scissors, etc.) (Class 606/174)
- Saw type (Class 606/176)
- Rotary cutter (Class 606/180)
- Lancet (Class 606/181)
- Punch (Class 606/184)
- Puncturing or piercing (Class 606/185)