Patent ID: 7066927

Claim:
A surgical cutting device, comprising: a housing having a first chamber, a second chamber, and a passage extending between the first and second chamber; a vent defined by a channel extending through the housing from the passage; a shaft having a first end located in the first chamber and a second end located outside of the housing, the shaft extending from the first chamber at the first end and through the passage and the second chamber to the second end; a seal located between the shaft and the passage to separate the first chamber from the second chamber, the seal comprising: a body having at least one inner surface positioned adjacent the shaft, at least one outer surface positioned adjacent the passage, and an aperture extending between the at least one inner surface and the at least one outer surface, a first and second band projecting from and formed integral with the body, the first and second band each surrounding at least an axial portion of the outer surface of the body and dimensioned for sealing engagement with the passage, the first band axially disposed from the second band and the aperture; and a third and fourth band projecting from and formed integral with the body, the third and fourth band each surrounding at least an axial portion of the inner surface of the body and dimensioned for sealing engagement with the shaft, the third band axially disposed from the fourth band and the aperture.