The biomechanical system "knee joint" which is disturbed in chronic knee ligament instabilities can be repaired by means of synthetic ligaments; however, the correspondent materials have to meet some technical requirements which are described in the present work. The introduction of foreign bodies into tissue incite some defined reactions which may increase or decrease the functional value of the alloplastic ligament prosthesis; the correlations and dependencies are presented. An appropriate alloplastic knee ligament prosthesis is offered taking into account the requirements for material and the biologic reactions described.

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In disasters, the success of medical action in the hospital will only be measured according to the number of survivors and not to the number of major operations executed. Thus, for the clinician his usual standards may have to be modified and he must keep in mind the principle of helping the largest possible number of patients in the given circumstances.According to previous experience it can be expected that 20% of the survivors in a disaster need surgical treatment. Even in well organized and fully equipped surgical clinics, the proportion of immediate treatment capacity to the total number of beds is no more than 5% to 8% under normal conditions. This means that every hospital should make plans to organize facilities to cope with a major disaster. The individual hospital plans should be co-ordinated with other hospitals in the neighborhood and be integrated into the disaster plans for the entire area. Communication between hospital and the central headquarters is of the utmost importance.

H. Con~z~.~: F.LAR(~I&D~R-Zfirich: Ich habe es nicht erw/~hnt. Wir sind so vorgegangen, dab wir das Transplantat nach Entnahme sofort mit einer kalten LSsung perfundiert und dann transplantiert haben. Die Isch~Lmiezeit, also Perfusion plus Transplantation, bewegte sich in der GrSl~enordnung yon 50--55 rain.Leiter: Sie glauben nicht, welm Sie die Duodenitis haben, daI] es vielleichb eine Vorsch~digung durch die Anoxiephase bedeutet, obwohl Sie die Duodenitis erst zwischen 30--40 Tagen gehabt haben. Das glauben Sie nicht ? F. LARGIAD~R-Ziirich: Das glaube ich nicht, nein! Leiter: Ich glaube, dal~ wit fiber das Thema ,,Organtransplantation" heute ganz befriedigt nach Hause gehen kSnnen. Es riihrt sich allerorts etwas. Erste Erfolge zeichnen sich sehon ab. Wir setzen nun die Sitzung fort. Das n~chste Hauptthema behande]t die Wundheilung und den WundverschlufiEs wird sich im wesentlichen um die Anwendung der neuen Klebestoffe handeln, die bier zur Diskussion gestellt werden.

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