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Tactile stimulation module and multi-channel tactile stimulation device

A stimulation device, multi-channel technology, applied in medical science, telemetry patient monitoring, diagnosis using vibration, etc., can solve the problems of small displacement, low resolution, large volume of piezoelectric ceramics, etc., to alleviate the problem of insufficient number of channels. Effect

Pending Publication Date: 2019-12-06
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The currently used piezoelectric ceramic sheets are large in size, low in resolution and relatively small in displacement

Method used

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  • Tactile stimulation module and multi-channel tactile stimulation device
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  • Tactile stimulation module and multi-channel tactile stimulation device

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Embodiment Construction

[0072] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0073] Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art w...

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Abstract

The invention provides a tactile stimulation module and a multi-channel tactile stimulation device, and relates to the technical field of tactile function brain spectrums. The tactile stimulation module comprises a fixed frame, piezoelectric bending type drivers, a steering driver and a guide wire. The fixed frame comprises a containing cavity, and the piezoelectric bending type drivers are suspended in the containing cavity. The steering driver is arranged on the fixed frame and is connected with the free ends of the piezoelectric bending type drivers and is used for converting the displacement generated by the piezoelectric bending type drivers into force parallel to the stimulation direction. The guide wire comprises a first end and a second end, wherein the first end is fixed on the steering driver, and the second end penetrates through the fixed frame in the stimulation direction and extends out of the fixed frame. The tactile stimulation module disclosed by the invention has relatively high stimulation frequency and relatively high resolution. The tactile stimulation module can be freely combined into the multi-channel tactile stimulation device according to the required number of channels, and can alleviate the problems of insufficient channel number, small selection operation frequency, low resolution and the like in a tactile brain activity experiment.

Description

technical field [0001] The present application relates to the field of tactile functional brain maps, in particular, to a tactile stimulation module and a multi-channel tactile stimulation device. Background technique [0002] Functional magnetic resonance imaging, abbreviated as fMRI (functional magnetic resonance imaging), is a neuroimaging method widely used to explore human tactile brain maps. change in dynamics. [0003] The formation of tactile sensation is firstly through the tactile receptors on the skin to sense changes in external physical quantities and generate different action potentials, and then transmit nerve signals to the somatosensory cortex of the brain to stimulate tactile functions to generate sensation and cognition. For tactile brain atlas measurements, a stimulus is applied to the skin. The stimulus providing device needs to operate in the strong magnetic field environment around the functional magnetic resonance equipment, so the stimulating devic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00A61B5/055
CPCA61B5/0053A61B5/0051A61B5/055A61B5/0042
Inventor 吴景龙闫天翼王晨宇仰若水杨彬彬
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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