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Magnetic particle regulation and control aggregation system in space

A magnetic particle, in-space technology, applied in the direction of drug devices, other medical devices, etc., to achieve the effects of controllable movement trajectory, variable movement speed, and adjustable force

Active Publication Date: 2019-08-30
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Despite some research progress, there are still technical challenges in applying magnetic modulation technology to clinical trials

Method used

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  • Magnetic particle regulation and control aggregation system in space
  • Magnetic particle regulation and control aggregation system in space
  • Magnetic particle regulation and control aggregation system in space

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Such as figure 1 As shown, a system for regulating and aggregating magnetic particles in space is characterized in that:

[0062] It includes a power supply module E, an on-off control module F and a magnetic control device G, wherein the input end of the power supply module E is provided with a mains interface, and the output terminal group of the power supply module E passes through the on-off control module F to the magnetic control device G. The control device G is powered by time-sharing and divisional voltage;

[0063] Such as Figure 2-5 As shown, the magnetic control device G includes two pairs of coil pairs 100, and a pair of the coil pairs 100 includes two sets of polarized coil groups, and one set of the polarized coil groups includes two sub-coils;

[0064] The two sub-coils of the same group are arranged in parallel and face to face, and the wires are wound in the same direction; a unidirectional polarization zone is formed between the two sub-coils of th...

Embodiment 2

[0108] figure 2 and 3 A planar magnetron device is shown. There are two pairs of coils 100, and the centerlines of the two pairs of coils 100 are perpendicular to each other. A cube-shaped winding formwork is provided inside, and the polarized coil groups are all wound on the winding formwork, and the push coil 120 is threaded on the surface of the corresponding winding formwork. For the convenience of expression, the centerlines of the two groups of coil pairs 100 are respectively marked as x-axis and y-axis, and then there are two polarized-pushing coil groups with opposite driving directions on the x-axis and y-axis respectively. The polarized coil groups in the four driving directions are sequentially recorded as X+ polarized coil group, X-polarized coil group, Y+ polarized coil group and Y-polarized coil group, and the driving coils in the four driving directions are sequentially recorded as X+ Push Coil, X-Push Coil, Y+ Push Coil, and Y-Push Coil. The X+ polarized c...

Embodiment 3

[0111] Figure 5 Shown is a three-dimensional magnetic control device. There are three groups of coil pairs 100 , the three groups of coil pairs 100 enclose the cubic magnetic control area 130 , and the centerlines of the three coil pairs 100 are perpendicular to the center of the magnetic control area 130 . A square hollow winding formwork is provided inside, and the polarized coil groups are all wound on the winding formwork, and the driving coil 120 is threaded on the surface of the corresponding winding formwork.

[0112] For the convenience of expression, the centerlines of the three groups of coil pairs 100 are respectively marked as x-axis, y-axis and z-axis, and then two polarized-push coils with opposite driving directions are respectively arranged on the x-axis, y-axis and z-axis Group. The polarized coil groups in the six driving directions are sequentially recorded as X+ polarized coil group, X-polarized coil group, Y+ polarized coil group, Y-polarized coil group...

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Abstract

The present invention discloses a magnetic particle regulation and control aggregation system in a space. The magnetic particle regulation and control aggregation system in the space comprises a powersupply module, an on-off control module and a magnetic control device, and output groups of the power supply module supply power to the magnetic control device in a time-dividing, zone-dividing and pressure-dividing manner through the on-off control module; the power supply module comprises polarized power supply units and push power supply units, each corresponding group of polarized coil groupsis respectively provided with the corresponding polarized power supply unit, and each corresponding push coil is respectively provided with the corresponding push power supply unit; and the on-off control module comprises power supply control units and a power supply driving unit, the polarized power supply unit or the push power supply unit both supply power to a polarized coil or a push coil inthe magnetic control device from the power supply control unit, and the power supply driving unit is used for driving on or off of the power supply control units. Beneficial effects are as follows: the magnetic particle regulation and control aggregation system energizes the polarized coil groups and the push coils in each direction, gradually push magnetic particles from corresponding directionsto ta center of a magnetic regulation region, and highly controllably realizes aggregation of the magnetic particles.

Description

technical field [0001] The invention relates to the field of control of magnetic granular materials, in particular to a system for regulating and aggregating magnetic particles in a space. Background technique [0002] Magnetic particles, especially nano-magnetic particles, are new materials with rapid development and great application value in recent years. The wider the application. Nanomagnetic particles are generally composed of iron, cobalt, nickel and other metals and their oxides. In the medical field, they usually have a core-shell structure, consisting of a magnetic core and a polymer / silicon / hydroxyapatite wrapped outside the magnetic core. shell composition. The most common core layer consists of Fe with superparamagnetic or ferromagnetic properties 3 o 4 or γ-Fe 2 o 3 It has magnetic orientation, which means that the magnetic particles are targeted in the magnetic field environment. The magnetic particles can move in a direction under the action of an exte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M31/00
CPCA61M31/00A61M2205/0272A61M2205/10
Inventor 陈登明邵斌马毅龙李春红郑元义曾文周安若郭东林陈小立赖佳琪
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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