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可以调节力的并行封闭抓手.

Hamza Khan1, Stuart Coleman, Alfred Cuschieri

  • 1School of Medicine, University of Dundee, United Kingdom.

International journal of surgery (London, England)
|November 23, 2023
PubMed
概括
此摘要是机器生成的。

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现在,外科医生可以使用新型的强度可调的抓手来精确控制腹腔镜手术期间的抓手强度,从而减少组织损伤. 这些智能抓取器为微妙的胃肠道手术提供可选择的力级.

科学领域:

  • 外科手术仪器仪器仪表的使用
  • 生物医学工程 生物医学工程
  • 最少侵入性的手术

背景情况:

  • 腹腔镜外科手术使用长的抓取器,有可能对微妙的胃肠道 (GIT) 组织造成阴性损伤.
  • 腹膜炎和炎症性肠病等疾病增加了这种风险.
  • 现有的并行关闭仪器对组织粉碎提供有限的保护.

研究的目的:

  • 设计和测试一种新型智能抓器,以尽量减少炎症组织和空洞内脏的抓力.
  • 开发一种能够对GIT施加预先选择的,统一的抓取力的仪器.

主要方法:

  • 一个可调力的并行封闭抓取器 (FA-POG) 在ISO 13485认证的设施中设计和开发.
  • 手柄中的压缩弹机制允许控制,分级减少抓取力.
  • 该FA-POG包含一个力级控制器旋,用于外科医生选择的握力.

主要成果:

  • FA-POG对被抓住的组织施加均的力 (1-5N),由外科医生根据病理状况进行调整.
  • 使用猪小肠片段进行的体外试验验证实了原型的性能.
  • 该设计的特点是末端效应机,具有4条连接,用于均的平行遮力.

结论:

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  • 开发的并行遮抓手允许外科医生预先选择抓手力,防止过度压力.
  • 该FA-POG设计超越了传统的剪刀型抓手在统一的力量应用.
  • 实验验证证了该设计的有效性,其牙优化了握力摩擦.