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Thermal safeguard for light treatment devices

A phototherapy and light source technology, applied in the field of phototherapy blankets, can solve problems such as wrongly turning off the light source, prematurely interrupting the processing, etc.

Inactive Publication Date: 2019-02-12
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the control system incorrectly decides to turn off the light source and interrupts the process prematurely, which is obviously not desirable

Method used

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  • Thermal safeguard for light treatment devices
  • Thermal safeguard for light treatment devices
  • Thermal safeguard for light treatment devices

Examples

Experimental program
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Embodiment Construction

[0027] The present invention provides a phototherapy blanket with improved temperature detection.

[0028]figure 2 Phototherapy blanket 200 is shown covering / wrapping infant 202 . As can be seen from the figure, the idea for the blanket is to completely cover the baby so that the whole body can be irradiated with electromagnetic radiation emitted by a light source (not shown), hitting the subject directly, thereby providing a treatment for neonatal jaundice. For the treatment of neonatal jaundice, blue light in the range of 460-490nm was found to be the most effective.

[0029] Figure 3a , 3b and 3c illustrate a light therapy blanket 300 according to one embodiment. The phototherapy blanket 300 includes a front surface 301a and a rear surface 301b, a collection of light sources 302 arranged in a matrix structure of rows and columns, two temperature sensors 304a and 304b, two surface sensors 306a and 306b, and a control module 308 . In the current embodiment, the light sou...

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PUM

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Abstract

A phototherapy blanket configured to cover, support, and / or envelop at least part of a subject, the phototherapy blanket comprising: a set of light sources configured to emit electromagnetic radiation, wherein the set of light sources is held and / or carried by the phototherapy blanket; a temperature sensor configured to generate a first signal conveying information related to a temperature of a region of a surface of the at least part of the subject covered, supported, and / or enveloped in the phototherapy blanket, a surface sensor configured to provide information about presence of the surfaceof the at least part of the subject, wherein the surface sensor is positioned proximate to the temperature sensor such that the surface sensor is configured to generate a second signal indicative ofpresence of the region of the surface of the at least part of the subject, and a control module configured to control the intensity of the set of light sources based on the first and the second signal.

Description

technical field [0001] The present invention relates to phototherapy blankets, and more particularly, the present invention relates to thermal management in phototherapy blankets. Background technique [0002] Current phototherapy blankets include multiple light sources, preferably light emitting diodes (LEDs), that provide light energy for treating a patient / subject. Typically, these phototherapy blankets are used in the management of neonatal hyperbilirubinemia (jaundice of the newborn). Monitoring the baby's temperature in these phototherapy blankets is critical because light energy is converted to heat energy, which can heat the skin. The increase in skin temperature should not exceed the maximum. In order to check the skin temperature, currently, at least one temperature sensor is integrated in the phototherapy blanket, which measures the temperature of a specific location(s) / area(s) of the body. In the current embodiment, two temperature sensors are positioned in th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/06
CPCA61N5/0621A61N2005/0626A61N2005/0651A61N2005/0663A61B2017/00026A61B2017/00084A61N2005/0628A61N2005/0643
Inventor G·M·丹克斯
Owner KONINKLJIJKE PHILIPS NV
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