System for Locating an Object using an Antenna Array with Partially Overlapping Coils

a technology of antenna array and object, applied in the field of sensing and detecting systems, can solve the problems of time required to complete, differing procedures, and inability to ensure the correct placement of catheters, and achieve the effect of accurate detection of electromagnetic reflectors

Active Publication Date: 2016-09-29
TECH UNIV EINDHOVEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present inventors developed a technology that can accurately measure the size of objects within their own bodies without being affected from humans' compositions or external factors like lighting conditions. This makes it possible to use this technology even at longer distances than previously needed due to its ability to capture high levels of detail about how well they are looking around them.

Problems solved by technology

This patented problem addressed by this patents relates specifically to improving the accuracy and precision of inserting tubings into critical/fragile individuals during medical procedures while ensuring they can stay properly located within their body's natural environments without causing harm themselves.

Method used

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  • System for Locating an Object using an Antenna Array with Partially Overlapping Coils
  • System for Locating an Object using an Antenna Array with Partially Overlapping Coils
  • System for Locating an Object using an Antenna Array with Partially Overlapping Coils

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Embodiment Construction

[0011]The invention is a system for wirelessly locating an object, especially objects that are hidden from direct visual inspection. In a specific embodiment the object to be located is a tip of a nasogastric feeding tube that is inserted in a human body. However, the invention is not limited to various medical applications and can also be useful in any other situation where a hidden object needs to be located or tracked. The system contains a transducer or electromagnetic (EM) reflector 100 and a scanner or transceiver unit 200 as shown in respectively FIGS. 1-2. In one variation the scanner can be equipped with sensors, such as an accelerometer to keep track of the direction of movement.

Reflector

[0012]Transducer or electromagnetic (EM) reflector 100 is a passive (i.e. wirelessly powered) electromagnetic reflector that can be affixed to an object that one desires to locate. The electromagnetic reflector contains a ferrite antenna (coil) L with a diode D and a series C2 and parallel C1

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Abstract

A system is provided for wirelessly locating objects. The system has a transceiver unit with an antenna array of two partially overlapping coils, which is used in combination with a passive electromagnetic reflector to track or locate the objects. The system is tuned to reflect and receive higher order harmonics of a transmitted signal frequency. The system is reliable in a highly reflective environment with no placement error detection due to reflections. A relatively large distance can be bridged with a minimum power and a small sensitive area to detect the coils, which increase the accuracy to determine the location of the electromagnetic reflector.

Description

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Claims

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Application Information

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Owner TECH UNIV EINDHOVEN
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