Abrasion device

• US 4,572,187 A
• Filed: 03/06/1984
• Issued: 02/25/1986
• Est. Priority Date: 03/11/1983
• Status: Expired due to Fees

• Current Assignee: John R. Schetrumpf
• Original Assignee: John R. Schetrumpf
• Inventors: Schetrumpf, John R.
• Primary Examiner(s): Peshock, Robert
• Application Number:
  US06/586,747
• Time in Patent Office: 721 Days
• Field of Search: 51/334, 51/336, 51/337, 128/355
• US Class Current: 606/131
• CPC Class Codes: B24D 13/04 comprising a plurality of flaps or strips arranged around the axis
• CPC Class Codes: B24D 13/06 the flaps or strips being individually attached

Abstract

A device suitable for use in the surgical procedure of dermabrasion comprising a rotary hub and a plurality of flexible strips each of which has a single abrasive surface, the strips being located with respect to the hub at or adjacent ends or edges of the strips to extend outwardly of the hub at spaced locations around the periphery thereof with the abrasive surfaces of the strips facing in the same peripheral direction around the hub.

Claims

1. A dermabrader comprising a rotary hub made of a material which is relatively inert in relationship to contact with skin or other body tissue, and a plurality of flexible strips having a single abrasive surface of high stability and which has no or little body tissue toxicity and is relatively non-allergenic, the strips being located and fixed with respect to the hub at or adjacent ends or edges of the strips to extend outwardly of the hub at locations around the periphery thereof with the abrasive surfaces of the strips facing in the same peripheral direction around the hub, each flexible strip being dimensioned in length and thickness to flex to a position substantially parallel to the surface to be abraded and remain out of contact with each other at the hub.

2. A dermabrader according to claim 1, wherein said locations are spaced around the periphery of the hub.

3. A dermabrader according to claim 2, wherein said locations are equally spaced around the periphery of the hub.

4. A dermabrader according to claim 3 wherein an even number of said strips are provided.

5. A dermabrader according to claim 1 wherein said hub is generally cylindrical with a drive shaft projecting axially from one end thereof.

6. A dermabrader according to claim 1 wherein the hub is a moulded member with end or edge portions of said strips embedded therein.

7. A dermabrader according to claim 6 wherein said hub is made of a plastics material.

8. A dermabrader according to claim 6 wherein an end portion of a drive shaft is also embedded in the moulded hub coaxially therewith.

9. A dermabrader according to claim 1 wherein the diameter of said hub is in the range of 0.75 cms-2.5 cms and the axial length of the hub is in the range 1 cm-3 cms.

10. A dermabrader according to claim 1 wherein each strip comprises a support sheet having an abrasive material bonded to one side thereof, the abrasive and bonding materials being relatively insoluble in blood or aqueous solutions.

11. A abrasive device comprising a rotary hub having a hollow end portion and a plurality of slots through the wall of said hollow end portion at spaced positions therearound suitable to receive end or edge portions of each of a plurality of respective flexible abrasive strips, a plug member for engagement in said hollow end portion, the plug member being dimensioned to trap end or edge portions of the abrasive strips located, in use, in said slots and projecting into the hollow interior of said hub end portion, and means to locate the plug member on the hub so as to trap the strips as aforesaid, each flexible strip being dimensioned in length and thickness to flex to a position substantially parallel to the surface to be abraded and remain out of contact with each other at the hub.

12. A device according to claim 11 wherein said portions are equally spaced around said hollow end portion of the hub.

13. A device according to claim 11 wherein said plug member has an externally threaded end portion which cooperates with an internally threaded bore in the blind end of said hollow end portion of the hub to locate the plug member thereon.

14. A device according to claim 11, wherein the plug member has a shank which tapers progressively towards its end to bind and secure end or edge sections of abrasive strips projecting, in use, into the hollow interior of said hub end portion.

15. A device according to claim 11, wherein said slots extend from the open end of said hollow hub end portion, the head of the plug member and the wall of the hub end portion at its open end having cooperating frusto-conical surfaces whereby, when the plug member is fully inserted in the hollow hub end portion, the engagement of the said frusto-conical surfaces causes inward flexing of the wall portions of said hub end portion between said slots therein thereby tending to close the slots and to grip more firmly portions of abrasive strips located, in use, in the slots.