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加拿大圣约瑟夫医疗中心：突破的关键在于采用了更灵活的导引鞘...
近期，位于加拿大伦敦市的圣约瑟夫医疗中心（St. Joseph’s Health Care London）在肾结石治疗领域取得重大突破。该中心验证了华芯提供的输尿管导引鞘在临床中的应用价值，其独特设计使外科医生能够更精准地进入肾脏复杂区域，显著提升了肾结石治疗的准确性和有效性。
肾结石治疗领域的权威专家约翰·登斯泰特（John Denstedt）对此评价道：“这是一项了不起的进步，堪称外科创新的典范。”这一突破的关键在于采用了更灵活的输尿管导引鞘，其设计极大提升了手术的可操作性和治疗效果。
报道原文 Original report
来源：加拿大圣约瑟夫医疗中心官网
New Kidney Stone Treatment Clears Fragments In One Go.
肾结石治疗新突破：一次性清除碎片技术登陆北美。 St. Joseph’s Health Care London is the first hospital in North America to introduce technology that shows great promise in enhancing kidney stone treatment outcomes and reducing the risk of recurrence. 位于加拿大伦敦市的圣约瑟夫医疗中心是北美第一家引进技术的医院，该技术在提高肾结石治疗效果和降低复发风险方面显示出巨大的希望。 In a North American first, an exciting evolution in the treatment for kidney stones has debuted at St. Joseph’s Health Care London (St. Joseph’s) that offers the possibility of completely clearing stone fragments in a single procedure and significantly decreasing the risk of recurrence. Using a flexible ureteral access tube (sheath) as part of standard ureteroscopy and laser lithotripsy, stone fragments broken up by the laser are suctioned out of the kidney during the procedure. This eliminates the need for patients to pass the fragments on their own in the days and weeks after treatment, which can be painful and may not result in all fragments passing, leading to a recurrence of stones. Until now, this flexible ureteral access sheath, made by Vathin Medical, has only been used in China. 在北美地区，肾结石治疗迎来了一项革命性进展——加拿大圣约瑟夫医疗中心，首次引入了一种新型治疗技术，通过单次手术即可彻底清除肾内结石碎片，并显著降低复发风险。 这项技术的核心是柔性输尿管导引鞘（由华芯医疗研发），将其与标准输尿管镜检查和激光碎石术结合使用时，医生可在术中通过负压吸引直接吸出激光粉碎后的结石碎片。传统治疗中，患者术后需自行排出碎片，过程痛苦且可能残留碎片导致复发，而新技术彻底解决了这一难题。 在此前，该导引鞘仅在中国使用。
“The ureteral access sheath is a unique material and lined with overlapping scales that make it very flexible, allowing us to access difficult-to-reach caves and pockets of the kidney, even in patients with complex kidney anatomy,” explains St. Joseph’s urologist Dr. John Denstedt, a renown surgical innovator in the treatment of kidney stones. “Together with enhanced suction, the sheath dramatically increases the likelihood of patients being completely free of stones without having to pass the fragments after treatment.”
为何能实现突破？ About 12 per cent of men and 10 per cent of women experience kidney stones, clusters of crystals that form from minerals and other substances in the kidneys that can result in severe pain. Due to diet and lifestyle, research shows the prevalence of kidney stones is on the rise. 肾结石高发：新技术或成患者福音 约12%的男性和10%的女性会罹患肾结石，这种由矿物质结晶形成的硬块可能引发剧烈疼痛。研究表明，受饮食和生活方式影响，肾结石发病率正逐年上升。 Standard treatment for kidney stones involves inserting a ureteroscope – a long, narrow telescope-type device - through the urethra (the tube that drains urine) and bladder into the kidney. Using this ureteroscope, the surgeon can see, inspect and treat problems of the ureter and kidney, such as kidney stones. For larger kidney stones, ureteroscopy is commonly used with laser lithotripsy in which a laser is used to break up the stones from inside the body. When stones are more than two centimetres in size – a toonie or bigger - the kidney is accessed through an incision in the patient’s back. 传统治疗方式的局限 输尿管镜激光碎石术：通过尿道将细长内镜置入肾脏，利用激光粉碎结石，但较大碎片需患者术后自行排出。 经皮肾镜取石术：针对直径超2厘米（约两加元硬币大小）的大结石，需在患者背部切口建立通道，创伤较大。 “The new ureteral access sheath may allow the removal of stones up to three centimetres or larger using the less invasive ureteroscopy and laser procedure in a single treatment, says Denstedt. “This is a remarkable advancement and a great example of surgical innovation supported by St. Joseph’s.” About 600 patients undergo ureteroscopy and laser lithotripsy at St. Joseph’s each year and Denstedt expects many of those individuals to be eligible for the new procedure as part of a clinical trial. 新技术的优势 目前，圣约瑟夫医疗中心每年开展约600例输尿管镜激光碎石术，未来将有大量患者通过临床试验受益于这项新技术。
圣约瑟夫医疗中心泌尿科专家、肾结石治疗领域权威约翰·登斯泰特（John Denstedt）博士解释道：“这款导引鞘采用特殊材料制成，表面覆有鳞片状重叠结构，兼具柔韧性和支撑力，即使面对复杂肾内结构，也能精准抵达传统器械难以触及的区域。结合增强的负压吸引功能，患者术后无需自行排石即可实现‘无残留’治疗，极大提升了治疗效果。”
登斯泰特博士指出：“柔性导引鞘的引入，使得单次微创手术即可清除直径3厘米甚至更大的结石，无需开放手术。这是一项里程碑式的进步，也是外科创新的典范。”
“Kidney stones are the most common issue that urologists look after and ureteroscopy is the most common procedure urologists use,” says Denstedt. “When you can break new ground like this with tremendous potential to improve outcomes, it’s very exciting for the surgical team, the organization and for patients everywhere.” Bringing the Vathin flexible ureteral access sheath to North America is the latest of many firsts over several decades by the Urology Centre at St. Joseph’s in treating kidney stones. In 1990, St. Joseph's became the second hospital in Ontario to offer shock wave lithotripsy, a non-invasive way to break up kidney stones from outside the body that combines X-ray to target the stone and a lithotripsy machine to break it up. The service quickly became the busiest in the world before ureteroscopy became the standard of care. St. Joseph’s continues to house one of only two lithotripsy machines in the province, which is used to treat about 500 patients a year with kidney stones. Shock wave lithotripsy is most suitable for smaller stones in the kidney visible on X-ray. In 1993, St. Joseph's urologists were the first to treat a human for kidney stones using a holmium laser, a treatment now used around the world. Since that time, Denstedt and his colleagues have continued to make waves - literally and figuratively - in the care of patients with kidney stones. 圣约瑟夫医疗中心：肾结石治疗领域的领跑者 此次引入华芯医疗导引鞘，延续了该中心数十年的创新传统： 1990年：成为安大略省第二家提供体外冲击波碎石术的医院（通过X射线定位结石并用体外冲击波粉碎），该技术迅速成为全球最繁忙的碎石服务。 1993年：全球首次使用钬激光治疗肾结石，该技术现已成为国际标准。 至今：中心仍保有安大略省仅有的两台冲击波碎石设备之一，每年治疗约500例患者（适用于X光可见的小型肾结石）。 “肾结石是泌尿科最常见的疾病，输尿管镜则是应用最广的治疗手段。”登斯泰特博士表示，“这项突破性技术将显著改善患者预后，无论对医疗团队、机构还是全球患者而言，都意义非凡。”
华芯始终秉持“至简普惠”的初心，以创新为引擎，持续打造更安全、更简便、更智能的3S级别产品与服务。此次与圣约瑟夫医疗中心的合作突破，正是我们以技术之力简化复杂治疗、普惠全球患者的生动实践。
未来，我们将继续深耕临床需求，用科技之光点亮健康之路，让优质医疗触手可及。期待引领行业将内镜致简的普惠带给世界。
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