Evacuation chamber

Details Evacuation chamber Evacuation chamber

2011-08-16

2011-08-16

Lucchesi, Nicholas D (Department: 3763)

Surgery

Endoscope

Having auxiliary channel

C606S020000, C606S021000, C606S022000, C606S023000, C604S902000

Reexamination Certificate

active

07998066

ABSTRACT:
During cryotherapy, using an endoscope that extends within a patient to a cold treatment site, the device of the invention vacuums gas from the site through radial intake ports to a cylindrical space in an evacuation chamber held elastically circumferentially about the distal end of the endoscope tube that carries the cryoprobe to the site.

REFERENCES:
patent: 5562640 (1996-10-01), McCabe et al.
patent: 5688256 (1997-11-01), Surratt et al.
patent: 5846235 (1998-12-01), Pasricha et al.
patent: 6849042 (2005-02-01), Christopher
patent: 2004/0186467 (2004-09-01), Swanson et al.

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