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System for contactless moving or holding magnetic body in working space using magnet coil

A technology for manipulating space, electromagnetic coils, applied in applications, diagnostic recording/measurement, in-body radio detectors, etc.

Inactive Publication Date: 2005-08-17
SIEMENS HEALTHCARE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the details of the implementation of the corresponding electromagnetic coil system and the detailed operation of its coils cannot be seen from this document

Method used

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  • System for contactless moving or holding magnetic body in working space using magnet coil
  • System for contactless moving or holding magnetic body in working space using magnet coil
  • System for contactless moving or holding magnetic body in working space using magnet coil

Examples

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Embodiment Construction

[0047] With the device according to the invention, the magnetic probe body can be moved and stabilized without contact in the operating space. In this case, the orientation as well as the magnitude and direction of the force exerted on the probe body are magnetic without requiring an externally predeterminable mechanical connection. Especially in medical applications, a probe equipped with such a probe body could be a catheter or an endoscope with magnetic elements or a miniature TV camera with an illuminator and The lungs send out video images. Furthermore, ferromagnetic foreign objects such as needles or functional modules can be moved magnetically into or out of target bodies or spaces without external access. In addition to medical applications, the device according to the invention can also be used very well in other areas, for example in contaminated spaces. For example, internal inspections of other objects, in particular without access, can also be carried out by mea...

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Abstract

A magnetic body may be moved in a contactless fashion and fixed in a working space by a system with a magnet coil system of fourteen individual coils which can be driven individually for production of three magnetic field components and five magnetic field gradients. The system also includes a unit to detect the actual position and a unit to set a desired position of the magnetic body.

Description

technical field [0001] The invention relates to a device for contactless movement and / or positioning of magnets in a three-dimensional operating space by using a system of electromagnetic coils enclosing the operating space enclosed by a plane located in the X, Y, Z-cartesian coordinate system . Background technique [0002] Endoscopes and catheters are used in medicine, which are inserted through an incision or body opening and are movable longitudinally from the outside and are therefore steerable in only one dimension. Optical viewing is possible by means of the light guide, wherein the endoscope end and thus the viewing direction can be deflected by controlled rotation. In particular, this may form a device for performing biopsies. In particular, however, the probes used here can only be guided to a limited extent at the branching, so that a non-contact force applied from the outside can consequently lead to an extension of the range of use. [0003] From the publishe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/00A61B5/06A61B5/07A61B34/20A61B90/00
CPCA61B1/00147A61B5/06A61B2019/2261A61B19/22A61B5/062A61B2019/2253A61B1/00158A61B34/73A61B2034/732A61B34/70
Inventor 冈特·里斯
Owner SIEMENS HEALTHCARE GMBH
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