Decoupling two-dimensional wireless passive implantable sensors between wedge-shaped dimensions

A wireless passive, wedge-shaped interdimensional technology, applied in instruments, measurement of force by measuring the change of magnetic properties of materials caused by applied stress, measurement of force, etc. The effect of high support stiffness, reducing the effect of thread embedding or secondary surgery

Active Publication Date: 2020-03-31
NORTHEAST DIANLI UNIVERSITY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that it is difficult for existing mechanical structure sensors to measure the coupling force between tension or compression and torsional force to solve the problem of component calculation of tension or pressure and torsional force, and to provide a two-dimensional wireless passive plant with wedge-shaped inter-dimensional decoupling. In-type sensor

Method used

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  • Decoupling two-dimensional wireless passive implantable sensors between wedge-shaped dimensions
  • Decoupling two-dimensional wireless passive implantable sensors between wedge-shaped dimensions
  • Decoupling two-dimensional wireless passive implantable sensors between wedge-shaped dimensions

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Embodiment 1

[0033] This embodiment provides a wedge-shaped inter-dimensional decoupling two-dimensional wireless passive implantable sensor, which includes a tension and pressure shaft 1, a torsion shaft 2, a limit end cap 3, an axial deformation ring 4, and a limit notch snap ring 5. Connecting seat 6 and wedge-shaped variable block 7.

[0034] One end (lower end) of the tension-pressure shaft 1 is formed with a flange, and the axial deformation ring 4 includes an upper connecting flange part and a lower connecting flange part and a connecting flange part connecting the upper connecting flange part and the lower connecting flange part. In this embodiment, a magnetostrictive material is attached to the sleeve, so that when the tension and pressure shaft 1 moves along its axial direction, the sleeve will be deformed, so as to detect the tension. The tensile stress or compressive stress that the pressure axis bears.

[0035] A through hole is formed on the position-limiting end cap 3 along...

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Abstract

The present invention discloses a wedge-shaped inter-dimension decoupling two-dimensional wireless passive implantable sensor. The sensor comprises a tension and pressure shaft, a torsion shaft, a spacing end cap, an axial deformation ring, a spacing gap clamping ring, a connection base and a wedge-shaped deformation block. The wedge-shaped inter-dimension decoupling two-dimensional wireless passive implantable sensor is stressed to allow a magnetostriction material attaching area to generate stress so as to cause magnetic field change of the magnetostriction materials in a uniform alternatingmagnetic field generated in an exciting coil under the action of external stress, the detection coil is employed to detect the change in the magnetic field, and the change in the magnetic field is converted to electric signals to express a condition of tension torsion stress.

Description

technical field [0001] The invention relates to a wedge-shaped two-dimensional inter-dimensional decoupling wireless passive implanted sensor, which belongs to the field of multi-dimensional structural sensors. Background technique [0002] When measuring force, since tension or pressure is often coupled with torsional force, it is difficult to solve the mechanical component between tension or compression and torsion with a single sensor structure. [0003] Most of the mechanical sensors at this stage need to be connected to a power supply and transmit measurement data by wire. This kind of sensor is difficult to apply to the application direction of medical human implantation. [0004] Medical sensors implanted in the human body need to have high battery life and low energy consumption, so as to minimize the medical trauma caused by the installation and battery life of the human body. Contents of the invention [0005] The purpose of the present invention is to solve the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L1/12
CPCG01L1/125
Inventor 谭益松付义夫任立敏
Owner NORTHEAST DIANLI UNIVERSITY
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