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Title:
CONTAINED DIRECT PARTICLE BEAM FLOW ABRASION SYSTEM
Document Type and Number:
WIPO Patent Application WO2000010772
Kind Code:
A3
Abstract:
Systems (21, 501, 801) for abrasive action include machinery for creating a vacuum and positive pressure to enable flow control while providing adequate vacuum to both retrieve and capture the spent abrasive material and the abraded material. A first embodiment (21) includes a vacuum and boost operation facilitated by the use of a foot control (51) for high control of abrasion, cleaning and polishing. A second embodiment (801) is for use with human tissue and includes a vacuum only system with filtered air. A third embodiment (501) includes vacuum with automatic boost for skilled medical personnel use and uses a minimum vacuum level to trigger a pre-set boost operation.

Inventors:
METCALF ALVA WESLEY (US)
CARRIER CALVIN LON (US)
Application Number:
PCT/US1999/018062
Publication Date:
July 20, 2000
Filing Date:
August 09, 1999
Export Citation:
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Assignee:
METCALF ALVA WESLEY (US)
CARRIER CALVIN LON (US)
International Classes:
A61B17/00; B24C5/02; A61B17/54; A61G12/00; B24C5/04; B24C7/00; B24C9/00; F16K3/24; F16K3/32; (IPC1-7): B24C9/00
Domestic Patent References:
WO1997011650A11997-04-03
Foreign References:
EP0564392A21993-10-06
US5971999A1999-10-26
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