BIOMIMETIC CONTROLLER FOR A MULTIFINGER PROSTHESIS

用于多指假肢的仿生控制器

基本信息

批准号：
2901549
负责人：
WILLIAM CRAELIUS
金额：
$ 2.27万
依托单位：
NIAN-CRAE, INC.
依托单位国家：
美国
项目类别：
财政年份：
1998
资助国家：
美国
起止时间：
1998-06-01 至 1999-09-30
项目状态：
已结题

来源：
https://reporter.nih.gov/project-details/2901549
关键词：
artificial limbs biological signal transduction biomedical equipment development biomimetics biosensor device clinical biomedical equipment fingers hand limb movement muscle function phantom model tendons

项目摘要

DESCRIPTION (Adapted from the applicant's abstract): Congenital upper limb reduction deficits (i.e. missing hands) afflict an estimated 1 of every 3000 children in the US and many thousands of children and adults lose their upper limbs by amputation. The goal of this work is to restore a dextrous hand to those patients lacking it. Current upper limb prostheses can only restore simple movements, either with a split hook or various types of artificial hands. The proposed project will develop a novel hand controller based on transduction of volitional muscle and tendon movements in the residual limb with tendon-actuated pneumatic (TAP). The system will utilize pressure-sensitive foam to measure pressure changes resulting from activation of muscle/tendon of the residual limb. Signals from an array of these sensors will be processed to determine the desired movement of digits. Preliminary results from tests on a wrist disarticulation amputee indicate that suitable signals can be recorded and detected. Phase I of this project aims to reliably detect movement of individual forearm tendons produced by intended movement of phantom fingers and to provide multi-finger virtual typing capability for patients with missing or non-functional hands. Use of the TAP hand by children with ULRD could restore a greater dexterity than that which is offered by present prostheses and may foster anatomical and functional development of nerves, muscles and tendons that could operate advanced prostheses of the future. PROPOSED COMMERCIAL APPLICATION: The new prosthesis advances the state-of-the-art, and is expected to be commercially available by 2000. there are thousands of individuals in the U.S. and throughout the world who could benefit from a dexterous hand, in order to perform their jobs, or use a keyboard. The prosthesis can be marketed through traditional health practitioners such as physical therapists, prosthetists, and physiatrists.

描述（改编自申请人的摘要）：先天性上肢估计有 1 人受到肢体减少缺陷（即失去双手）的影响美国每 3000 名儿童以及数千名儿童和成人因截肢而失去上肢。这项工作的目标是为那些缺乏灵巧手的患者恢复一双灵巧的手。当前上限肢体假肢只能恢复简单的运动，要么是分裂的钩子或各类假手。拟议的项目将开发一种基于意志传导的新型手控制器肌腱驱动残肢的肌肉和肌腱运动气动（TAP）。该系统将利用压敏泡沫测量因肌肉/肌腱激活而产生的压力变化残肢。来自这些传感器阵列的信号将进行处理以确定所需的数字移动。初步的对手腕离断截肢者的测试结果表明可以记录和检测合适的信号。本项目一期旨在可靠地检测产生的单个前臂肌腱的运动通过幻象手指的有意运动并提供多指为缺失或无功能的患者提供虚拟打字功能手。患有 ULRD 的儿童使用 TAP 手可以恢复比现有假肢具有更大的灵活性可以促进神经、肌肉和神经的解剖学和功能发育可以操作未来先进假肢的肌腱。拟议的商业应用：新的假肢推进了最先进的技术，预计将到 2000 年已实现商业化。有数千人美国和全世界谁都可以从灵巧的技术中受益手，以便执行其工作，或使用键盘。假肢可以通过传统医疗从业者销售例如物理治疗师、假肢师和理疗师。