IJBTT

Development of a Universal Finger Module for Various Degrees of Amputation

	International Journal of Engineering Trends and Technology (IJETT)
	© 2020 by IJETT Journal
	Volume-68 Issue-9
	Year of Publication : 2020
	Authors : Ivan V. Krechetov, Arkady A. Skvortsov, Ivan A. Poselsky
	DOI :  10.14445/22315381/IJETT-V68I9P215

Citation 

MLA Style: Ivan V. Krechetov, Arkady A. Skvortsov, Ivan A. Poselsky "Development of a Universal Finger Module for Various Degrees of Amputation" International Journal of Engineering Trends and Technology 68.9(2020):101-108. 

APA Style:Ivan V. Krechetov, Arkady A. Skvortsov, Ivan A. Poselsky. Development of a Universal Finger Module for Various Degrees of Amputation  International Journal of Engineering Trends and Technology, 68(9),101-108.

Abstract
This paper describes the results of research on the development of a bionic finger module intended for human upper limb prostheses. A feature of the implementation is the design with the placement of the servo, which includes a motor, a gearbox, and a feedback sensor inside the finger. Thus, each finger is a complete autonomous module, which allows it to be used both for the implementation of a complete hand prosthesis and for finger prosthetics in patients with partial hand amputation. The key advantage of the design is the use of a built-in gearbox based on a cycloidal transmission, which can significantly increase the resistance of the finger to the loads arising from the gripping and power holding of various objects. Within the framework of the article, the design of the pin is presented, including the internal elements and the results of the analysis of the mechanical strength of the most loaded elements are presented. Load simulation made it possible to modernize the structure in order to eliminate critical points and possible breakdowns during operation, as well as outline the directions for further work. The developed finger module will make it possible to implement a complete hand prosthesis with characteristics that are not inferior to those of the world`s leading manufacturers. At the same time, the cost of a full hand will be significantly lower than analogs.

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Keywords
bionic finger, upper limb prosthesis, partial palm prosthesis.