Vent system for endoscopes

Details Vent system for endoscopes Vent system for endoscopes

1995-01-24

1996-08-20

Apley, Richard J.

Surgery

Endoscope

Sterilizable

600159, 600121, A61B 104, A61B 112

Patent

active

055474560

ABSTRACT:
A continuous vent for an endoscope which always allows flow of gas in order to prevent damaging differential pressures and always prevents entry of liquid into the endoscope. A barrier for this purpose overlays a vent port and is held in place by a ring-shaped spacer which with an overhanging shoulder leaves a limited space for flow of fluid and excludes most particulates from the barrier. The barrier maybe an assortment of hydrophobic and hydrophilic layers.

REFERENCES:
patent: 4878484 (1989-11-01), Miyagi
patent: 5343854 (1994-09-01), Katsurada
patent: 5356376 (1994-10-01), Milijasevic et al.

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