The light source was returned and evaluated; our findings were as follows: all output readings are below spec.Unit was received in with a different lamp installed than what our records show we installed when we last serviced the light source in july 2016; also, the lamp differs from what karl storz recommends.Lamp output is not meeting spec.Lumen reading: 1113 actual; spec rating 1530-2800.Optical power 1.9 actual; spec rating 5.1 max.In addition, the model numbers for the light cable and arthroscope used for the procedure, which were provided to us by the hospital, are not of our manufacturer; the light cable, model #wa03310a, we believe is an olympus light cable; the arthroscope, model #502104030, is a stryker model number.There was no reported malfunction of the light source.The burn injury most likely occurred as a result of the light cable's connector coming into contact with the patient.
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