B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 46/00 (2006.01)
Patent
CA 2530962
A smoke evacuating system for use during surgical procedures, particularly minimally invasive procedures involving the use of a laser or cautery at a surgical site having an associated higher than ambient pressure, wherein the system includes a filter with a site side and an outlet side and a fluid conduit extending between the surgical site and the filter. The filter includes a filter media and a housing substantially surrounding the filter media with a space between the filter media and the housing to collect condensed vapor. The filter exhibits low resistance or a low pressure drop and resists fluid flow, whereby the higher than ambient pressure is not substantially diminished and generates a fluid flow in the fluid path tending to carry smoke to and through the filter.
L'invention porte sur un système d'évacuation des fumées utilisé lors d'interventions chirurgicales en particulier lors d'interventions peu invasives au laser ou au cautère se déroulant dans des salles en surpression. Ledit système comporte un filtre présentant un côté salle et un côté extérieur et un conduit reliant la salle au filtre. Le filtre consiste en un milieu filtrant, et en un boîtier entourant sensiblement le milieu filtrant en laissant entre eux un espace de recueil des vapeurs condensées. Le filtre, peu résistant et à faible perte de charge, supporte le flux et ne réduit pas substantiellement la surpression ambiante tout en créant dans ledit conduit un flux dirigeant la fumée vers le milieu filtrant.
Jlj Medical Devices International Llc
Riches Mckenzie & Herbert Llp
Schultz Leonard S.
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