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Avoiding ocular infections with a laminar flow system adapted to ophthalmology needs

Poster Details

First Author: J.Rodriguez-Prats SPAIN

Co Author(s):    I. Signes Soler   V. Pilotti   P. Taña-Rivero        

Abstract Details


To present a laminar flow system adapted to the ophthalmologic needs showing the benefits it supposes (laminar flow And HEPA filters).




We use a new development that guarantees the asepsis level: the surgical laminar flow cabin. It consists in a big squared cabin with two structurals columms. Inside of each column there is a fan that takes the room’s air, and filters it twice. The second filter is an HEPA14 unit which assures a very high level of protection against airborne disease transmission. After the HEPA filter there is a very thin plate, of special constitution, which allows turning into laminate the clean air flow that crosses it, creating a tunnel of horizontally laminar flow in which sure conditions of surgery are reached. We use the cabin in the "close mode", locating the biggest opening of the cabin against a wall. The room where the cabin was instaled has a standar air acodicioner system. We put the patient table in the security zone (the space occupied for the laminar flow tunnel), inside the cabin, indicated by a linear led red light. We select the column right or left, to adapt to the surgery team positions and to avoid any person or equipment modifies the laminarity of the flow, interrupting the way of the clean air.


Before the first time of use, we asked for an Air Quality Control to know the asepsis levels. The air quality control results were the best we could expect. Inside the laminar Air flow tunnel the asepsis level, watching the ISO (International Standards Organization) standards, was ISO 5 in the clean air tunnel and ISO 7 in any other point inside the cabin. The asepsis level remained stable throughout the time. It was possible to confirm positive pressure inside the cabin and around 64 renovations of air per hour (considering the volume occupied by the cabin). We did not have post-surgery endophthalmitis in a year. The cost per hour of surgery was around of 150€ in the conventional operating room, and 30€ with the arc sterile cabin.


The use of the ArcSteril for ophthalmic surgery may be similar in terms of security and better in terms of economic benefit than the conventional operating room. The higher pressure inside the cabin and the number of renovations of air adjust perfectly to the dynamics of work of ophthalmological surgery, which supposes a materials and patients" high traffic inside the operating room.

Financial Disclosure:

... is employed by a for-profit company with an interest in the subject of the presentation

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