| 摘要 |
We have perfected a technique for continuous measurement of the maximum stress load, that is, the rupture point, to which samples of organic tissues extracted from donors and areas in a process of scarring, can be submitted. (This technique is just as suitable for measuring the stress of maximum load, that is, rupture point, of a fragment of integral organic tissue). The fragments of organic tissue, extracted from animal donors, minimum length 2cm and maximum width 0.08cm, are placed within two "Duval" surgical tweezers at a distance variable between 0 and 10cm. The animal donor of the organic tissue can be treated pharmacologically. We have demonstrated that the variations in stress of the maximum load, that is rupture, to which the joint is submitted, in other words the scar between two fragments of organic tissue extracted from control animals, in pathological conditions of pharmacological treatment, are a reliable indication of the variations in the deposition of collagen and the flow of the scarring process. The technique has the advantage of being easily carried out, easily repeated and, compared to other techniques using piston apparatus, of remarkable precision, considerable manageability and with low manufacturing and management costs. Moreover, as its dimensions and weight are minimal, it can be taken anywhere and it is possible to take immediate measurements without transporting and/or conserving materials.<IMAGE> |
