Device for securing an object to a surface by vacuum

Details Device for securing an object to a surface by vacuum Device for securing an object to a surface by vacuum

1996-06-25

1998-03-31

Cohen, Lee S.

Surgery

Truss

Pad

A61B 50416

Patent

active

057326991

ABSTRACT:
A reusable electrode holder and associated disposable electrode unit are provided. The holder retains the electrode therein and is connectable to a vacuum source for holding the electrode against a patient's skin with vacuum suction. The holder is also connectable to an electrical lead for connection to the electrode unit. The holder has a resilient cap which is moveable to actuate a valve to open communication through the holder from the vacuum source to a chamber adjacent the skin. To prevent the transfer of contaminants from the skin to reusable parts of the holder, a first contaminant absorber is provided within a housing of the holder and a second contaminant absorber is provided as part of the electrode unit. A second valve can be provided which is actuatable to close vacuum communication when second absorber expands to a threshold contamination condition.

REFERENCES:
patent: 3640270 (1972-02-01), Hoffmann
patent: 4369793 (1983-01-01), Staver et al.
patent: 4556065 (1985-12-01), Hoffmann
patent: 4646747 (1987-03-01), Lundback
patent: 4708381 (1987-11-01), Lundback
patent: 4736749 (1988-04-01), Lundback
patent: 4938218 (1990-07-01), Goodman et al.
patent: 5345935 (1994-09-01), Hirsch et al.

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