Dynamic analysis of surgical incision in head and neck surgery by using force sensing knife

力传感刀头颈外科手术切口动态分析

• 批准号: 10671618
• 负责人: ISHII Tetsuo
• 金额: $ 1.41万
• 依托单位: TOKYO WOMEN'S MEDICAL UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1998
• 资助国家: 日本
• 起止时间: 1998 至 1999
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-10671618/
• 关键词: Skin incision; 2 axes sensing knife; 2 axes force sensor; strain; horizontal incision; direct incision; head and neck surgery; adipose tissue; 力センシングメス; 張力センサ; 力学的解析; 頚部皮膚; メス; 切開; 力センサー; 張力; 力学的測定; ひずみゲージ

1. Objectives of the studyIn surgery, making the skin incision is a basic technique. However, the quality, methods, techniques, and depth of incision are usually evaluated empirically. There has been little scientific analysis of the force applied to the knife during incision and its dynamic effect on the tissues and organs. Before performing a dynamic analysis of the process of surgical incision, we prepared 1) a knife with a biaxial force sensor that measured the force in two directions and 2) a biaxial tension measurement system that could assess the tension applied to the skin during incision. We then carried out a dynamic analysis of surgical incision using the sensor knife.2. Preparation of the biaxial sensor knife and biaxial skin tension sensorThe sensor knife and the skin tension sensor were prepared utilizing the principle that a parallel metal plate subjected to mechanical force converts the stress to electric current, enabling detection of the force. We attached such a sensor to a knife and tension meter.3. Results1) Incision was performed in a shank of beef using the sensor knife and tension sensor. One incision was made parallel to the muscle fibers and one was made perpendicular to the fibers. It was found that the parallel incision required less force than the perpendicular incision.2) When tension was applied across the incision, less force was needed for cutting than without tension.3) When starting the incision, vertical force was applied. As the incision proceeded, horizontal force was applied that was almost equivalent to the vertical force.4) For clinical skin incision during head and neck surgery, the results of this study suggest that the tension applied to the skin via the thumb and index finger should be almost equal.5) When making an incision, the initial vertical force on the knife was increased and then the horizontal force was increased. It was found that the incision force was greater for the skin than for adipose tissue.

1.研究目的在外科手术中，皮肤切口是一项基本技术。然而，质量，方法，技术和深度的切口通常是经验性的评估。对切割过程中施加在刀上的力及其对组织和器官的动态影响几乎没有科学的分析。在对手术切割过程进行动态分析之前，我们准备了1）带有双轴力传感器的刀，该传感器测量两个方向上的力，以及2）双轴张力测量系统，该系统可以评估在切割过程中施加到皮肤上的张力。然后利用传感刀对手术切口进行了动态分析.双轴传感器刀和双轴皮肤张力传感器的制备传感器刀和皮肤张力传感器是利用这样的原理制备的：受到机械力的平行金属板将应力转换为电流，从而能够检测力。我们将这样的传感器连接到刀和张力计上。结果1）使用传感刀和张力传感器在牛小腿上进行切口。一个切口平行于肌纤维，另一个切口垂直于肌纤维。发现平行切口比垂直切口需要更小的力。2）当在切口上施加张力时，切割所需的力比没有张力时更小。3）当开始切口时，施加垂直力。随着切口的进行，施加的水平力几乎等于垂直力。4）对于头颈部手术中的临床皮肤切口，本研究的结果表明，通过拇指和食指施加到皮肤上的张力应该几乎相等。5）在制作切口时，增加刀上的初始垂直力，然后增加水平力。发现皮肤的切割力大于脂肪组织。