Self-contained disposable handpiece for a skin tissue removing a

Details Self-contained disposable handpiece for a skin tissue removing a Self-contained disposable handpiece for a skin tissue removing a

1999-03-15

2000-06-27

Hirsch, Paul J.

Surgery

Instruments

Means for removal of skin or material therefrom

A61B 1750

Patent

active

060801654

ABSTRACT:
A manually held and guided handpiece for a skin tissue removing apparatus includes a mixing container accommodating unused abrasive crystals and having a front end and an air inlet opening spaced from the front end. A delivery tube extends within the mixing container and has opposite first and second open ends. The first open end is situated at the front end of the mixing container and the second open end is situated at a distance from the air inlet opening. A collecting container accommodates particles composed of used abrasive crystals and dislodged skin tissue fragments. The collecting container has a front end and an air outlet opening spaced from the front end of the collecting container and being connectable to a vacuum source. An exit tube extends within the collecting container and has opposite first and second open ends. The first open end of the exit tube is situated at the front end of the collecting container and the second open end of the exit tube is situated at a distance from the air outlet opening. A connecting channel couples the first open end of the delivery tube with the first open end of the exit tube. A treatment window in the connecting channel is adapted to be brought into contact with the surface of a patient's skin. An air stream maintained through the handpiece carries the crystals which impinge on the skin before re-entering the treatment window and are deposited in the collecting container, together with skin fragments.

REFERENCES:
patent: 5037432 (1991-08-01), Molinari
patent: 5100412 (1992-03-01), Rosso
patent: 5810842 (1998-09-01), Di Fiore et al.
patent: 5971999 (1999-10-01), Naldoni

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