对人类幽灵进行内镜前列腺手术
A team of scientists headed by Dr. Tian Qiu, leader of the Cyber Valley Biomedical Microsystems research group, and Professor Peer Fischer from the Max Planck Institute for Intelligent Systems in Stuttgart have made a decisive contribution to improving complex surgical training by developing a very realistic prostate phantom.
在飞往天空之前，航空公司飞行员在飞行模拟器中培训数百小时。相比之下，外科医生获得了对模拟器的访问非常有限，并且可用的模拟器不提供足够现实的条件。为了改善局势并允许进行优化和定量评估的外科手术，来自Max Planck智能系统和斯图加特大学的科学家们开发了第一个器官模型，可用于前列腺的现实经尿道切除。与医疗中心的尿发技术课程合作 - 弗赖堡大学，一支医生团队使用相同的手术设置和设备，常规用于患者对器官幻像进行手术，这是由表现得真实的材料制成的组织。随着幻影，可以清楚地看到手术的结果，这对真正的患者来说是不可能的。该团队开发了一种自动系统，以评估手术表现，并在培训课程后立即向实习生外科医生提供反馈。
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At some point in their lives, 80% of men suffer from the enlargement of the prostate, which is known as benign prostate hyperplasia (BPH). BPH can be treated surgically, most commonly in a minimally invasive procedure called transurethral resection of the prostate (TURP). During the surgery, a rigid endoscope is inserted through the patient’s urethra and prostate tissue is cut out from the inside with a wire loop that is heated with an electrical current. While the prostate’s central zone should be removed, the peripheral zone must be preserved. An experienced surgeon is capable of distinguishing the inner and outer zones based on the tactile feedback from the endoscope and appearance of the tissue. Developing this ability requires a great deal of practice.
The new prostate phantom can help in this regard. It provides a unique opportunity for surgical training without the risk of patients being harmed. The realistic phantom was fabricated by 3D printing and molding, and the researchers used special biomimetic materials to provide the correct level of softness, the right appearance, and the appropriate response to the surgical resection instrument. In addition, imaging contrast agents were added that became visible only after the surgery and made the two different zones clearly visible. As a result, the surgeon can obtain feedback on the accuracy of the resection for the first time.
“器官幻影感觉非常现实和苏rgery feels like operating on a real patient”, says Professor Arkadiusz Miernik, a senior urology consultant and the head of the Division of Urotechnology at the Medical Center – University of Freiburg. “The phantom will transform surgical training. Compared with cadaver or animal models, it is much more pleasant to use, saves time and money, and can be designed for special procedures. The phantom also provides valuable feedback on how to improve one’s surgical skills.”
Source:网络谷
