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    • 4. 发明申请
    • Hybrid Ultrafast Laser Surgery and Growth Factor Stimulation for Ultra-Precision Surgery with Healing.
    • 混合超快激光手术和生长因子刺激超精密手术治疗。
    • US20100100084A1
    • 2010-04-22
    • US11989951
    • 2006-08-03
    • Bruno GirardCameron ClokieBrian Campbell WilsonRobert John Dwayne Miller
    • Bruno GirardCameron ClokieBrian Campbell WilsonRobert John Dwayne Miller
    • A61B18/20
    • A61B18/20A61K38/1875B23K26/0624B23K2103/32B23K2103/50
    • The present invention relates to methods for laser surgery and growth factor stimulation for ultra-precision surgery with healing. The method is achieved by cutting biological tissue using an ultrafast laser, which produces laser pulses less than 10 picosecond in duration, to induce a cold ablation process in order to avoid the formation of carbonaceous or other materials that cannot be removed efficiently or completely from the wounded area through natural healing mechanisms. By use of femtosecond lasers, a negligible amount of debris is generated and an outer layer of intact but non viable cells are created principally through shock wave induce damage and ionizing radiation effects induced by multiphoton absorption of ultrashort laser pulses. The normal healing process is blocked by this outer layer of cells as all cell contacts are still intact. Therefore the healing process must be stimulated. The healing may be triggered or accelerated, or both, by application of growth factor molecules and/or signal proteins to the effectively undamaged cells causing the damaged cells to be replaced and the wound to close. The combination of very precise laser cutting used in combination with growth factors is the key to this unique tool.
    • 本发明涉及用于具有愈合的超精密手术的激光手术和生长因子刺激的方法。 该方法通过使用超快激光切割生物组织来实现,该超快激光产生持续时间小于10皮秒的激光脉冲,以诱导冷消融过程,以避免形成不能有效或完全地从 受伤区域通过自然愈合机制。 通过使用飞秒激光器,产生可忽略量的碎片,并且主要通过冲击波诱发损伤和由超短激光脉冲的多光子吸收引起的电离辐射效应产生完整但不活细胞的外层。 正常的愈合过程被这个外层的细胞所阻挡,因为所有细胞接触仍然完整。 因此,必须刺激愈合过程。 通过将生长因子分子和/或信号蛋白应用于有效的未损伤的细胞,导致损伤的细胞被替换并且伤口闭合,可以触发或加速愈合或两者。 与生长因子结合使用的非常精确的激光切割的组合是这种独特工具的关键。