Unlock instant, AI-driven research and patent intelligence for your innovation.

Forearm multifunctional-conversion prosthetic hand

A prosthetic hand and function technology, applied in the field of prosthetic hands, can solve the problems of high cost, slow grasping speed of forearm myoelectric prosthesis, single function of cable-controlled forearm prosthesis, etc.

Inactive Publication Date: 2010-09-29
王永玉
View PDF0 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The task of the present invention is to provide a kind of prosthetic hand, the task of this prosthetic hand is to solve the single function of the existing cable-controlled forearm prosthesis, inflexible grasping, slow grasping speed of the forearm myoelectric prosthesis, difficult function conversion operation, high cost, etc. insufficient

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Forearm multifunctional-conversion prosthetic hand
  • Forearm multifunctional-conversion prosthetic hand
  • Forearm multifunctional-conversion prosthetic hand

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] Exemplary embodiments of the invention are described in detail below with the aid of the drawings.

[0022] figure 1 shows the overall diagram of the cable-controlled forearm multi-functional conversion prosthetic hand, the cable-controlled forearm multi-functional conversion prosthetic hand is mainly composed of a suspension device 1, an inner bearing tube 2, a rotating wrist transmission device 3, and a cable-controlled function conversion device 4.1, cable-controlled driving device 5.1, hand function device 6 constitutes. The suspension device 1 in the figure can contain the upper arm of the amputee through the upper arm band 1.1. The upper arm band 1.1 is made of non-toxic material to the skin. The upper arm band 1.1 does not require high material hardness. When the amputee bends or extends the elbow, it will drive the cable control hinge 1.2 to flex and extend, thereby driving the stretching of the control cable 5.1.1. Because one end of this control cable 5.1.1 ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a prosthetic hand, in particular to a forearm multifunctional-conversion prosthetic hand. The prosthetic hand of the invention is composed of a suspension device (1), an inner bearing barrel (2), a wrist-rotating transmission device (3), a function convertor (4), a drive device (5) and a hand function device (6), and is characterized in that the internal and external rotating functions of the residual limb of a forearm amputee are fully utilized to design the multifunctional-conversion prosthetic hand which can simultaneously carry out two degrees of freedom and multifunctional conversion and selection easily. When the amputee places the nub of the forearm into the inner bearing barrel (2), the amputee can rotate the inner bearing barrel (2) to control the conversion and selection of the functions; the functional conversion and selection functions are arranged in the function convertor (4); and according to different types of driving force, the function convertor (4) is designed into a drive-by-wire function convertor (4.1) and an electrodynamic function convertor (4.2).

Description

technical field [0001] The invention relates to a prosthetic hand, in particular to a prosthetic hand with multi-functional conversion of the forearm. Background technique [0002] The working principle of the cable-controlled forearm prosthesis in the existing domestic prosthesis is: the amputee uses his own strength to control the opening and closing of the prosthetic hand through the cable and the pulling mechanism, so as to realize the grasping function of the prosthetic hand. Generally, this hand only has the opening and closing grasping function, and its function is single, and grasping is inflexible. There is also a myoelectric forearm prosthesis. Its working principle is: the amputee controls the opening and closing of the prosthetic hand or the wrist rotation through the myoelectric signal of the residual limb muscle. This type of prosthesis is equipped with a micro-motor, and a battery needs to be installed when using it. The prosthetic hand has only two degrees o...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): A61F2/54A61F2/70A61F2/68
Inventor 不公告发明人
Owner 王永玉