BANK FOR BONE AND CARTILAGINOUS TISSUE PRESERVATION

The invention relates to a bank for long-term preservation of bone or cartilaginous tissue needed in orthopedic surgery, traumatology and transplant. According to the invention, the bank comprises three compartments: a temperature stabilizer (A) consisting of a heat-insulated frigorific enclosure (2...

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Hauptverfasser: ILIE ANGEL GABRIEL, DRĂGHICI MARIA, JIANU MIHAI, THIERY BOGDAN ALEXANDRU, SUPEANU IULIAN, STICLARU SERGIU, ENCULESCU GEORGE
Format: Patent
Sprache:eng ; rum
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Zusammenfassung:The invention relates to a bank for long-term preservation of bone or cartilaginous tissue needed in orthopedic surgery, traumatology and transplant. According to the invention, the bank comprises three compartments: a temperature stabilizer (A) consisting of a heat-insulated frigorific enclosure (2) set at -20 °C; a cryogenic refrigerator (B) having a vessel (17) filled with liquid nitrogen and provided with some special rods (19), a protecting cover (20) and a temperature transducer (18) ensuring the cryopreservation of the bone and cartilaginous tissue taken over from the stabilizer (A) at the temperature of -20°C, for at least 24 months, at a storing temperature of -196°C and a tissue revitalizing device (C) ensuring the thermal transfer of the bone tissue at a controlled rate of the temperature rise, from the storing temperature of -196°C to +50°C, said device comprising a stainless steel tank (10) filled with a sterile saline solution having a concentration of 9%, a resistor (11) and a temperature transducer. Invenţia se referă la o bancă de conservare de lungă durată, a ţesutului osos şi cartilaginos, necesară în chirurgia ortopedică, traumatologie şi transplant. Banca conform invenţiei are în compunere trei compartimente: un stabilizator de temperatură (A), compus dintr-o incintă frigorifică (2), termoizolată, reglată la -20°C; un refrigerator criogenic (C), echipat cu un vas (17) încărcat cu azot lichid, prevăzut cu nişte tije speciale (19), un capac de protecţie (20) şi un traductor de temperatură (18), care asigură crioconservarea ţesutului osos şi cartilaginos, preluat la temperatura de -20°C din stabilizatorul (A) la temperatura de stocare de -196°C, timp de minimum 24 luni, şi un revitalizator de ţesut (C), care asigură transferul termic al ţesutului osos, cu rată controlată de creştere a temperaturii, de la temperatura de stocare de -196°C la temperatura de +50°C, şi care este echipat cu o cuvă din oţel inoxidabil (10), umplută cu soluţie salină, sterilă, de concentraţie 9%, o rezistenţă electrică (11) şi un traductor de temperatură.