Design of the Novel Single Incision, Free Motion Laparoscopic Surgical System

IF 0.8 4区 医学 Q4 ENGINEERING, BIOMEDICAL
Samson Galvin, R. Yanalitis, Eric Leon, J. Winder, R. Haluck, P. von Lockette, J. Moore
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引用次数: 0

Abstract

Laparoscopic surgery is a common minimally invasive surgery that uses specialized tools to access the abdominal cavity and pelvic regions via small incisions called ports. Compared to open surgery, laparoscopy's small incision size better protects a patient's health and reduces recovery time. However, restricted rotation of the tools around chosen port locations can limit a surgeon's mobility while operating. To address this, the Novel Single Incision, Free Motion (SIFM) Laparoscopic Surgical System was created, and its design was explored through three experiments. Experiment 1 analyzed different permanent magnetic configurations to optimize the magnetic force between a tool on the inside of the abdominal wall and an external tool. The chosen configuration was a single pole external magnet, coupled to an axially magnetized internal magnet. Experiment 2 analyzed the experimental and theoretical forces applied by the internal tool. The tool was able to provide sufficient cutting forces at 26.1 mm of separation between the tools. Experiment 3 measured the precision of the tool's end effector which was controlled by a stepper motor powered cable system. The tool's end effector rotates no more than 1 degree about the y axis and no more than 2 degrees about the x axis. The SIFM system combines the health benefits of minimally invasive laparoscopic surgery, with the free motion and ease of open surgery.
新型单切口自由运动腹腔镜手术系统的设计
腹腔镜手术是一种常见的微创手术,使用专用工具通过称为端口的小切口进入腹腔和骨盆区域。与开放手术相比,腹腔镜手术的小切口尺寸更好地保护了患者的健康,并缩短了恢复时间。然而,在选定的端口位置周围限制工具的旋转可能会限制外科医生在手术时的行动能力。为了解决这一问题,创建了新型单切口自由运动腹腔镜手术系统,并通过三个实验对其设计进行了探索。实验1分析了不同的永磁配置,以优化腹壁内侧的工具和外部工具之间的磁力。所选择的配置是单极外部磁体,耦合到轴向磁化的内部磁体。实验2分析了内部工具施加的实验力和理论力。该工具能够在工具之间26.1mm的间隔处提供足够的切削力。实验3测量了由步进电机驱动的电缆系统控制的工具末端执行器的精度。工具的末端效应器绕y轴旋转不超过1度,绕x轴旋转不大于2度。SIFM系统结合了微创腹腔镜手术的健康益处,以及开放手术的自由运动和轻松性。
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来源期刊
CiteScore
1.80
自引率
11.10%
发文量
56
审稿时长
6-12 weeks
期刊介绍: The Journal of Medical Devices presents papers on medical devices that improve diagnostic, interventional and therapeutic treatments focusing on applied research and the development of new medical devices or instrumentation. It provides special coverage of novel devices that allow new surgical strategies, new methods of drug delivery, or possible reductions in the complexity, cost, or adverse results of health care. The Design Innovation category features papers focusing on novel devices, including papers with limited clinical or engineering results. The Medical Device News section provides coverage of advances, trends, and events.
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