Edlich Richard F, Wind Tyler C, Heather Cynthia L, Thacker John G
Plastic Surgical Research Program, University of Virginia Health System, Charlottesville, Virginia, USA.
J Long Term Eff Med Implants. 2003;13(2):91-6. doi: 10.1615/jlongtermeffmedimplants.v13.i2.30.
Cornstarch on surgical gloves is often used as a detackifying agent and a lubricant to facilitate glove donning. During the last century, scientific studies have demonstrated that cornstarch produces tissue injury in literally every part of the body. Because this glove lubricant cannot be removed from the glove, Dr. David Podell, an ophthalmologic surgeon, and his cousin, Howard Podell, a chemical engineer, devised the first powder-free surgical glove that could be donned easily. They coated the inner surface of the surgical glove with a methacrylate polymer lining that was bonded to the natural rubber latex. This special coating acts as a lubricant to facilitate donning with damp, wet, or dry hands. In our earlier experimental studies, we confirmed that these polymer-lined latex gloves could be donned with either wet or dry hands. More recently, the polymer-coated latex gloves were incorporated into a double-glove hole puncture indication system that accurately detected glove holes in the presence of fluid. Because this discovery has been expanded into the development of a non-latex double-glove hole puncture indication system, we have expanded our biomechanical performance studies to examine the glove donning forces of the latex and non-latex glove hole puncture indication systems. The maximum donning forces recorded for the non-latex undergloves were significantly lower than those encountered by the same respective sizes of the latex underglove. The donning forces of the thin Biogel Super-Sensitive outer gloves were remarkably similar to the donning forces of the Biogel Indicator undergloves. The thicker Biogel outer gloves encountered greater donning forces than that noted for the Biogel Super-Sensitive outer gloves. The donning forces recorded for the non-latex outer gloves were remarkably similar to those noted for the latex Biogel outer gloves. Because the results of this biomechanical performance study demonstrated that the latex and non-latex double-glove hole puncture indication systems can be easily donned by surgeons using relatively low donning forces, this study provides convincing evidence that these double-glove hole puncture indication systems can be used in all surgical procedures.
手术手套上的玉米淀粉常被用作去粘剂和润滑剂,以方便戴上手套。在上个世纪,科学研究表明,玉米淀粉会对身体的每个部位造成组织损伤。由于这种手套润滑剂无法从手套上清除,眼科外科医生大卫·波德尔博士和他的化学工程师表弟霍华德·波德尔设计出了第一种易于佩戴的无粉手术手套。他们在手术手套的内表面涂上了一层与天然橡胶乳胶粘合的甲基丙烯酸酯聚合物衬里。这种特殊涂层起到润滑剂的作用,便于在手部潮湿、湿润或干燥的情况下佩戴手套。在我们早期的实验研究中,我们证实了这些带有聚合物衬里的乳胶手套无论是在手部潮湿还是干燥的情况下都能轻松佩戴。最近,这种聚合物涂层乳胶手套被纳入了一种双手套破洞指示系统,该系统能在有液体存在的情况下准确检测出手套破洞。由于这一发现已扩展到非乳胶双手套破洞指示系统的开发,我们扩大了生物力学性能研究,以检查乳胶和非乳胶手套破洞指示系统的戴手套力。非乳胶内层手套记录的最大戴手套力明显低于相同尺寸的乳胶内层手套。薄款生物凝胶超敏感外层手套的戴手套力与生物凝胶指示内层手套的戴手套力非常相似。较厚的生物凝胶外层手套遇到的戴手套力比生物凝胶超敏感外层手套更大。非乳胶外层手套记录的戴手套力与乳胶生物凝胶外层手套的戴手套力非常相似。由于这项生物力学性能研究的结果表明,乳胶和非乳胶双手套破洞指示系统外科医生可以使用相对较低的戴手套力轻松佩戴,这项研究提供了令人信服的证据,证明这些双手套破洞指示系统可用于所有外科手术。