Reducing the risk of prosthetic joints infections and infections in implant surgery with a mobile laminar air flow

Prevention of prosthetic joints infections and infections in implant surgery with a mobile laminar air flow that reduces the contamination level in the wound area and instruments up to 95 %

(I-Newswire) - Small numbers of organisms are sufficient to cause implant infections, which give rise to a considerable degree of morbidity and also mortality. The periprosthetic infection rates correlate with the number of airborne bacteria. It has been estimated that as few as 10 colony forming units ( cfus ) are sufficient to cause infections in prosthetic replacement arthroplasty. Typically, around 50-200 colony forming units per cubic metre ( cfu/m3 ) of air are found in conventionally ventilated operating rooms. The bacteria’s that cause infections in implant surgery are mostly inoculated into the wound at the time of insertion of the implant. Airborne micro-organisms can fall directly into wounds or through exposed instruments. The main source of airborne microbial contaminants is microscopic skin fragments given off by staff in theatre. The patient is not usually a significant source of airborne contamination as their movement is usually minimal. It has been estimated that almost 70 % of bacteria found in patient’s wounds are transported indirectly via exposed instruments especially during long exposure time of instruments. The introduction of laminar airflow systems has greatly reduced infection in implant surgery. Laminar flow, as opposed to turbulent flow, allows airborne particles to pass the operating area and prevent them from landing in the wound area. Adjustments to existing operating rooms is extremely expensive and in a lot of cases not possible due to the existing situation. Conventional airflow systems are mostly hindered by the surgical light and the heads of the operating team and increase the turbulences in the operating room.
Toul laminar airflow is positioned very close to the operating field and therefore it is possible to reduce the contamination level up to 95 % for the operating field and instrument table. Toul mobile laminar airflow units have been used in Scandinavia since 2001, providing an ultraclean, horizontal flow of air directly over the surgical site and instruments and acting as a barrier to minimize the presence of bacteria-carrying particles at the wound and on the instruments 

Toul mobile can be used immediately without any installation. The ceiling-mounted unit, TOUL 200, is the solution for those preferring a dedicated, fixed installation that can be optimally mounted without interfering with staff movements and other equipment. For the protection of instruments during long operations we recommend the Toul 300 instrument table ( see instrument table )

Applications:
Preventing implant surgery infection
Preventing hip joint infections
Preventing knee joint infections
Preventing penile and breast implant infection
Preventing dental implant infection



Normeditec
Da Vinci st. 12
39100 Bozen
http://www.normeditec.com


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More Information
Andreas Kunze
Published on:
2007-09-11
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