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Self-supported device for guiding motions of a passive target system

a technology of passive target and self-supported device, which is applied in the direction of manipulators, chiropractic devices, medical science, etc., can solve the problems of costing an estimated annual equivalent of $375 billion in family caregiver support, shortcoming of current exoskeleton technology, and limited range of motion about the hip and ankle joints

Active Publication Date: 2021-08-12
HUMAN IN MOTION ROBOTICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent describes a self-supported device that helps guide the movements of a person's hand and a motion assistance system that can help with the movements of other joints. The device has a base structure and a motion generator that produces motions, which are then transferred to a load bearing system that connects to the person's body. This allows the person's hand to rotate in three dimensions around a center of rotation. The device also has at least one additional joint system that can be attached to the load bearing system to help with the movements of other joints. Overall, this technology helps people with mobility issues to have more independent and natural movements.

Problems solved by technology

These disabilities cost an estimated annual equivalent of $375 billion in family caregiver support, in addition to significant economic and social burdens to the patient and the healthcare system.
However, one major shortcoming of current exoskeleton technologies is a limited range of motion about the hip and ankle joints, which are both capable of three rotational degrees-of-freedom (DOFs) in the human body.
Therefore, this characteristic leads to bulkier than necessary devices.
Furthermore, the instability that arises from kinematic restrictions on human joint capabilities often requires attendant use of walking crutches or a walker to maintain bodily balance while standing or moving.
The inconvenience and effort associated with this requirement causes fewer potential users from adopting the technology and altogether prevents other people from operating the devices who could otherwise benefit from the technology if not for this requirement.

Method used

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Embodiment Construction

[0028]This invention discloses a self-supported device for guiding motions of a target joint that can provide positioning in regard to the up to three-dimensional orientation of a ball-and-socket joint or quasi ball-and-socket joint without causing undue stresses to a corresponding target body. The device is self-supported even when the target body is not attached to the rest of the system. Examples of a device for guiding motions of a 3-DOF target joint are described in co-pending international patent application with publication number WO17120680, which is incorporated by reference herein in its entirety. The prior patent application discloses examples of a motion guiding device with a motion generator and a motion transfer and target interfacing system that transfers the motions generated by the motion generator to a target joint so that the target joint moves with a 3-DOF motion about its own center of rotation. The motion guiding device disclosed in the prior application requir...

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PUM

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Abstract

Examples of a self-supported device for guiding motions of a target joint of a target body are disclosed. The device comprises a motion generator, a motion transfer system, a target body interfacing system, a load bearing system and a controller. The load bearing system comprises a plate connected to the motion transfer system and a network of joints and links configured to constrain the plate to rotate in three dimensions about a center of rotation of the load bearing system. A position of the center of rotation of the load bearing system being adjustable by adjusting a connection point between the links. The plate of the load bearing system is connected to an adjustable target body interfacing system that is configured to be mounted to the target body. The center of rotation of the load bearing system coincides (or nearly coincides) with a center of rotation of the target joint of the target body.

Description

FIELD OF INVENTION[0001]This invention relates to a self-supported device for guiding motions of a load bearing system and a motion assistance system employing the self-supported motion guiding devices to assist motions of a target body.BACKGROUND OF INVENTION[0002]Unless otherwise indicated herein, the materials described in this section are not prior art to the claims in this application and are not admitted to be prior art by inclusion in this section.[0003]With respect to medical exoskeleton applications, an estimated 20,639,200 (7.1%) of non-institutionalized United States residents suffered from an ambulatory disability in 2013, while an approximated 2,512,800 (7.2%) of Canadians reported mobility disablements in 2012. These disabilities cost an estimated annual equivalent of $375 billion in family caregiver support, in addition to significant economic and social burdens to the patient and the healthcare system.[0004]One emergent technology that aims to diminish this health pr...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61H3/00B25J9/00B25J9/10B25J9/16
CPCA61H3/00B25J9/0006B25J9/104A61H2201/5064A61H2003/007A61H2201/149A61H2201/5061B25J9/1628A61H1/00A61H1/0237A61H1/024A61H1/0244A61H1/0266A61H2201/1215A61H2201/123A61H2201/163A61H2201/1642A61H2201/165A61H2201/5007A61H2201/5069A61H2230/105A61H2230/605
Inventor ARZANPOUR, SIAMAKPARK, JUNG WOOKPAGE, LIAMDEHGHANI, HOSSEINBAZHANOV, NIKITA
Owner HUMAN IN MOTION ROBOTICS INC
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