Apparatus for removing tissue during surgical procedures
First Claim
Patent Images
1. An apparatus for removing tissue from a surgical site during a surgical procedure, said apparatus comprising:
- means for abrading the tissue during the surgical procedure, said means for abrading the tissue including;
(a) an abrading surface, said abrading surface including at least one generally helically oriented abrading ridge, and(b) at least one generally helically oriented aperture disposed in said abrading surface, said generally helically oriented aperture being defined adjacent said at least one generally helically oriented abrading ridge; and
means for providing support to said means for abrading during the surgical procedure, said means for providing support being operable to permit rotation of said means for abrading.
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Abstract
An apparatus for removing tissue from a surgical site during a surgical procedure. The apparatus includes an abrading element for abrading the tissue during the surgical procedure. The abrading element has an abrading surface and at least one aperture disposed on the abrading surface. The apparatus also includes a shaft for supporting the abrading element during the surgical procedure as well as to permit rotation of the abrading element.
108 Citations
13 Claims
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1. An apparatus for removing tissue from a surgical site during a surgical procedure, said apparatus comprising:
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means for abrading the tissue during the surgical procedure, said means for abrading the tissue including; (a) an abrading surface, said abrading surface including at least one generally helically oriented abrading ridge, and (b) at least one generally helically oriented aperture disposed in said abrading surface, said generally helically oriented aperture being defined adjacent said at least one generally helically oriented abrading ridge; and means for providing support to said means for abrading during the surgical procedure, said means for providing support being operable to permit rotation of said means for abrading. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for abrading tissue during a surgical procedure, said method comprising the steps of:
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providing a surgical instrument for abrading tissue, said surgical instrument having; (a) means for abrading the tissue during the surgical procedure, said means for abrading the tissue including; an abrading surface, said abrading surface having at least one generally helically oriented abrading ridge, and at least one generally helically oriented aperture disposed in said abrading surface, said generally helically oriented aperture being defined adjacent said at least one helically oriented abrading ridge; and (b) means for providing support to said means for abrading during the surgical procedure, said means for providing support being operable to permit rotation of said means for abrading; abrading the tissue with said surgical instrumentation; removing the abraded tissue through the aperture in said means for abrading. - View Dependent Claims (10, 11, 12)
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13. An apparatus for removing tissue from a surgical site during a surgical procedure, said apparatus comprising:
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a surgical instrument for use in abrading the tissue, said surgical instrument including an elongated rotatable shaft, said shaft including an abrading end and a proximal end, said shaft having a substantially straight flow passage defined therein beginning adjacent said abrading end, said flow passage being of substantially constant width between said abrading end and said proximal end, said instrument further including at least one helically oriented abrading ridge and at least one helically oriented aperture defined on said abrading end, said at least one aperture being continuous with said flow passage; means for rotating at least a portion of said surgical instrument so as to cause said surgical instrument to produce an abrading action, said means for rotating including a hand-held rotary power source having a plurality of switches disposed thereon which are operable to control the speed of rotation of said portion of said surgical instrument; and means for applying a vacuum to said surgical instrument so as to withdraw tissue which has been abraded by the surgical instrument.
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Specification