While 'fever detectors' or 'fever cameras' are now hotly marketed, FLIR has gone the other way. While FLIR never called these devices by those terms, they have become even more conservative, rejecting even 'EBT', now calling them 'EST'.
In this note, we examine:
The various marketing terms for this thermal technology
Why FLIR switched from EBT to EST
What the difference between body temperature and skin temperature is
What the difference between forehand and inner canthus measurements are
The relationship between EST, EBT, fever, and coronavirus
The risks of using EST to determine EBT
Marketing *****
******* ********* ****** ***** cameras ** ********* '*****', such **:
***:
***:
** *****, * ****** buster:
FLIR ******
*******, **** *** ****** even **** ************, ********** to **** **** *** made **** ******, ******:
** **** ******** *** language ** ** ******* ‘skin’ **** ************ ********* what *** ********** ** measuring.
Body ** **** *********** **********
**** *********** ******** ****** 98.6°F / **°*, **** individuals ******* ******** ***** or ******, *** *********** changing ********** *** ***. However, **** *********** ****** widely *** *** ***** from **** ******* ***** to * *** ******* higher, ******** ****** *******.
**** *********** ** ******** by **** *******, *********:
****** ************ ** ******* areasother **** *** ****** ******** ******** ** *** ***** ****** ** **********, and may be complicated by perspiration, facial skin flushed from exertion, etc. The current evidence indicates that the region medially adjacent to the inner canthi is the preferred site for fever screening due to the stability of that measurement site. This is because this region is directly over the internal carotid artery. [emphasis added]
**** ****** *** **** elevated **** *********** (***) may **** ******** **** temperature (***). **** ** those ****** **** *** may **** * *****. Some ** ***** ****** with * ***** *** have ***********.
***, ** ** ***** solution. **** *** ********* stop. *** ***** ** the *********** ****** **** to *** *****. *** for ******* **** ********* video.
*** ** ** ***'* find *** ******* ***** (canthus) ******* *** ****** wear *** *****, ** can ** **** *** other ******* ***** ** the ****. *** ***** camera *** **** *** faces! *********, ** ** suitable *** ********* *********** **** ************* ******* ****** ** the **** ****. :)
* *** ******** ** to ***** **** *** camera ** ******* *** the ******* *** ******** the *********** *****. *** hottest ***** ** *** face ** *** ******* and *** ******* ********** the ******* ***** **** can ** **** ** the ****. *** *** video.
****, **** ********. **** what ** **** ***** so ***, ** ******* on *** ******. **** is ********* ****** *** temperature **** ***** *** be ****** ** ***** good (***-************) ** *** (no **).
**** *** "**" ** in * ***** ****** is * *** ********. How **** ** *** how ******** ** **** AI?
**, **** ** **** on **** ****. *** without **** ******* ** the ********** ** * controlled ******.
* ****** ** ****** everyone **** *********, *******, and ******* ********** *** use ************ **** **** on **** *** **********..... Why? ******* **** ******* a ******** ** *********** that ** **** ** determine*****************.
*******. ************** **** ** ****** care ** ******* *** monitor **** ***********. ** an ******, ******** ** other ****** **** ********, it ****** * ********* to ****** * ******** temperature **** * ******* is ********. ******** ************ of *********** *********** ****** ********** **** normal ******.
*thermometer ******** temperature through a glass tube sealed with mercury that expands or contracts as the temperature rises or falls. ... As temperatures rise, the mercury-filled bulb expands into the capillary tube. Its rate of expansion is calibrated on the glass scale.
******** ** ******: ** this *********** ********? ***** adding ** ** **** old ********** *** ******** and ******** ******* *** better ***********? *** ** be ******* ** ***** a ****** ******** ******* their *** **** **** from *** ** *** to ******** * *******?
** **** ** *** a ******** ** **** it ****** ** ******, at ***** ** *** US. * ********** **** would ** *********** **** a ********* ***********. *******, in *** **, *** FDA *** ************ **** these ************. *** ***, I ** ***** **** the *** *** **** released * ********* ********* to ***** *** **** ruling. *******, ** ** a "***-*******" ********* *** it ** *********. ** other *****, *** *** may ****** ** ***** sole ********** **** *** how ** ******* **** as **** ** **** to ****** **** *********. So ******* *** ****** changed, ***** **** *** FDA ******** ********* ** install ******* *********** ******* going ***** *** ******/***********/******** or ********** *** ***, due ** *** **** demand ** **** ******. This *** ** ******* at *** ****.
***** ****** ** ** why **** *** ******* the *** ** ***. If *** **** *** FDA **** ************ *** the **** *******, ***'** see * ******* ****** "Intended ***". **** ** the ******** ***** *** which ***** ******* ******** the **** ** *** first *****. *** ***** being **** **** **** beyond **** ***** ** outside ** *** ***** of *** **** *** would ********* ** * violation ** *** ****. The ******** *** *** the ****** ******: "...******** for ** ** ** adjunct ** ***** ******** diagnostic ********** ** *** diagnosis, ***********, *** ********* ofdifferences ** **** ******* *********** changes. It can visualize, document temperature patterns and changes."
** ****, ** ******* camera *** **** **** cleared ** *** *** for **** *********** ************ of *** ****. **** wouldn't ** ********, ***** a ******* ****** *** only ******* *** ******** radiation ******* ** *** surface ** * ***** object (** ****). ***** are ********** **** *********** skin *********** **** *** inner **** **** ***********, due ** **** ************* effects, **** ** ********, fat *****, **************** ***.
*** ***** ******/**** **** area ** *** **** closely ********** ****** *** body *********** ** *** face. ***** *** ************** to ******* *********** *****.
**, ******* ** ** "Elevated **** ***********" *********** has *** **** **** temperature ** **, ***** could *********** ** ****** at ** * ***** that ** ******* ** the ********intended *** for the 510k.
**** ** *** **** specific *** ** **** for *** ******* ****** or ******* *********** *********** for **** ****** ** the **. ********* **** surface *********** ** *** equal ** ******** ** oral *********** **** ********'* mouth. **** ***** ** a *********** ** **********.
**** ** **** ** rectal ***** *********** ******* from *** ***** **** temperature, ****** **** **** than * ******* ****** does **** ********* **** surface ***********.
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Comments (49)
Undisclosed Integrator #1
* ***** **** ** a **** *********** ** make ******* **** ********. I ******* ******** *** over *** ***** ********* potential ********* *** ** mention **** ******* ******* what ** ***** ********. Props ** **** *** that.
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Undisclosed Integrator #2
** ** ********* ** note *** ********** ** capabilities *** **** **** of ******. ***** *** Flir ******** **** *** have * ********* ** partner **** *** ******* camera, **** *** ** more ***********.
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Tamas Menyhart
* ***** *** ***** "+" **** ** *** canthus, *** * ** not * *****.
*** *** ******* *** solution ******** *** ****, but ** ***** ****.
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Shay Fogel
**** ****** **** ** the *********** ****** ********* raw ****? ** *** they *********** **** **** sort ** "**"?
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Undisclosed Manufacturer #6
**** ****** ******* **** modules ** * *** of ***** ****** *************, so ** **** *** now ************ ** *** viability ** *** ***********. Shouldn’t ** **** ** other *************, *** *** using **** ****** **********, to **** ***** **** their ****** ????
** ***** **** ** asking ** **** **** them ?
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Arindam Bhadra
*** **** ***** ******* imaging ****** *** ** image ********** ** *** x *** ******, ********* in **,*** *********** ******** at * ******. **** good ****** ** ****.
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George Peffer
* ***** ****** ***** detector. **** *** ****** with * ***** ***** recognize *** ****.
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Undisclosed Manufacturer #7
*** ***** **********? *** terminology ****** ** ********, but * ***** **** in **** ***** *** sale ****** ******* ***********, the *********** ****** ** snake ***, *** *** accuracy **** ******* ******* numbers ** ****** ** unfounded ********-****** ‘**** *** frisk’ *********** *** ************ responses. **** *** ***’* opinion.
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Undisclosed Integrator #8
**** **** ******* ** help **** ******* **** terminology. ***** ***.
*** ******* **** **** a ***** *** ** reading *** ***** ****** and *** ******** **** had **** **** ******* with **.
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Undisclosed Integrator #10
**** * ******* **** someone *** ** ****** as **** **** ** thermal.
*****'* *** ******** ** the ******* ***** ******* from *** ****** ** relation ** *** ********** of *** ****** ***** used **** * ****** as *** ****** ***** to ** **** ** be **** ** **** a ******* ****** ** "pixels" ** ** **** in ***** ** ****** a ******** *********** *******?
* *** ******* **** of *** ********* ** have **** **** ****** fairly *** **** **** the ******. ***** *** fact *** ******* ** the *** ** ***** 1/4" ******, ***** *** to ** * ***** on ***** *** ****** can ** ****** *** an ******** ******* *** I ** *** **** how **** *** ** algorithm ** ** ** to **** ********* *** sensor ****** ********** *** appear, ** ***** ***** pointed *** *******.
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Undisclosed Distributor #11
**** ** ***** *** rounds ** *** ** at *** ******
* **** *** **** people ** ***** ***** it *** *** ** appears ** ** ******* Dahua *** *** **** Chinese *** ********* ****.
**** *********** ****** *** the ***** ****** **** !
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Undisclosed Integrator #12
***** ***, * ******* FLIR’s ******* ** **** their ******* *** *** can’t ** *** ***** willingness ** **** ***** for *** **** ** integrity. **** *** ********* to **** ******* *****, it ******* *** **** other ************* *** ******* to ** ****.
**** **** ****, **** the **** ***** ******* and * ***** ******* about ********* ******* ‘*****-*********’ cameras, ** ***** ******* was **** ** ******** me ** *** ******* post-911 ******** ***** ***** high-rise ******** ****** ** install **** ****** ******** in ***** ** ***** doors ** ***** ** stop **********. ****** * relatively ***** *********, **** realized **** ***** ***** planters **** ********** *********** in ******** ******** ***** than * ******* ******* to ***** ******* ***** lobby *** *** *** started ** ****.
***, *’* ******* ***** articles *** ******* **** politicians **** ** **********’* Governor *** *** ****** things **** ********* *** business ** ***** ************ of ****** (******** ** patron) ****** **** *****, and *’* ******** ** the ****** **** *** public ***** *** *** Vegas ********* ** *** if **** **** ***** would **** *** ***** detectors ** ***** ****** allowing ***** **** *** elevator **** *** ***** massacre ***** **** **** avoided. *** * ***** time, ***** *** ******** talk ** *********** ****** requiring *** ****** ** have ***** ********* ** place. ****, ** ***** have ******* **** ********, but ** ***** **** have ******* *** ***** usage ** ******** ** nobody ***** ********* ***** their ******* ** ** opened *** ******** *** any ***** ****** **** went ** ***** ****.
* ****** ***** **** the ******** ******* **** showed *** ********** ***** in ******** ** ** followed ** **** ** rapid * **** ** interest, *** * **** the ********* **** *** spending ***** ******** ** R&D *** *** ************ themselves **** ******* ******* forgets ***** *** ******** and ******* ** ***** their *********** ** ** taken ** * ********* to ****** ****. ** one ** ** ********* pointed ***, ***** ****** is **** ** **** purchase *** ** ***** cameras, **** ***** ****** to ****** **** ** other ************* ** *** very **** ******.
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Undisclosed Integrator #2
**, **** ** **** on **** ****. *** without **** ******* ** the ********** ** * controlled ******.
* ****** ** ****** everyone **** *********, *******, and ******* ********** *** use ************ **** **** on **** *** **********..... Why? ******* **** ******* a ******** ** *********** that ** **** ** determine*****************.
*******. ************** **** ** ****** care ** ******* *** monitor **** ***********. ** an ******, ******** ** other ****** **** ********, it ****** * ********* to ****** * ******** temperature **** * ******* is ********. ******** ************ of *********** *********** ****** ********** **** normal ******.
*thermometer ******** temperature through a glass tube sealed with mercury that expands or contracts as the temperature rises or falls. ... As temperatures rise, the mercury-filled bulb expands into the capillary tube. Its rate of expansion is calibrated on the glass scale.
******** ** ******: ** this *********** ********? ***** adding ** ** **** old ********** *** ******** and ******** ******* *** better ***********? *** ** be ******* ** ***** a ****** ******** ******* their *** **** **** from *** ** *** to ******** * *******?
*** ** *********** ************ work ***? *** ********** infrared ************ ********?
*** *********** *** *********** for ******-contact *********** is 97%. ... The ***-contact ******** *********** is a ********, *********** ***************** *** *********** ** temperature *** ** **** useful *** *** ********* of *****.*** ****** ***** ****** in *** **** ** IR (****). ... ** light********* ******* *****—** *** be *******, ********* ** absorbed. ******** *********************** *** * **** to ***** ***** **** one ****** **** * detector, ****** * **********. The ********** ******* *** IR ********* *** ***** it **** ****.
********************, ***** ********* **** about $** ** $**, use **************** ** ******* *** heat **** *** ********. ... **** ******* **** found **********************************, ***** ****** ***** them *** ** ******** as ******************—********** *** **** ******** by **** **********.
*** ***** ** **** long **** ** **** technology ** ********** ******** and *** **** *** to ********* ** * new ********** ** ********* that *** ** **** for ********* ** ** TEST ** ** * controlled *****.
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Markus Tarin
** **** ** *** a ******** ** **** it ****** ** ******, at ***** ** *** US. * ********** **** would ** *********** **** a ********* ***********. *******, in *** **, *** FDA *** ************ **** these ************. *** ***, I ** ***** **** the *** *** **** released * ********* ********* to ***** *** **** ruling. *******, ** ** a "***-*******" ********* *** it ** *********. ** other *****, *** *** may ****** ** ***** sole ********** **** *** how ** ******* **** as **** ** **** to ****** **** *********. So ******* *** ****** changed, ***** **** *** FDA ******** ********* ** install ******* *********** ******* going ***** *** ******/***********/******** or ********** *** ***, due ** *** **** demand ** **** ******. This *** ** ******* at *** ****.
***** ****** ** ** why **** *** ******* the *** ** ***. If *** **** *** FDA **** ************ *** the **** *******, ***'** see * ******* ****** "Intended ***". **** ** the ******** ***** *** which ***** ******* ******** the **** ** *** first *****. *** ***** being **** **** **** beyond **** ***** ** outside ** *** ***** of *** **** *** would ********* ** * violation ** *** ****. The ******** *** *** the ****** ******: "...******** for ** ** ** adjunct ** ***** ******** diagnostic ********** ** *** diagnosis, ***********, *** ********* ofdifferences ** **** ******* *********** changes. It can visualize, document temperature patterns and changes."
** ****, ** ******* camera *** **** **** cleared ** *** *** for **** *********** ************ of *** ****. **** wouldn't ** ********, ***** a ******* ****** *** only ******* *** ******** radiation ******* ** *** surface ** * ***** object (** ****). ***** are ********** **** *********** skin *********** **** *** inner **** **** ***********, due ** **** ************* effects, **** ** ********, fat *****, **************** ***.
*** ***** ******/**** **** area ** *** **** closely ********** ****** *** body *********** ** *** face. ***** *** ************** to ******* *********** *****.
**, ******* ** ** "Elevated **** ***********" *********** has *** **** **** temperature ** **, ***** could *********** ** ****** at ** * ***** that ** ******* ** the ********intended *** for the 510k.
**** ** *** **** specific *** ** **** for *** ******* ****** or ******* *********** *********** for **** ****** ** the **. ********* **** surface *********** ** *** equal ** ******** ** oral *********** **** ********'* mouth. **** ***** ** a *********** ** **********.
**** ** **** ** rectal ***** *********** ******* from *** ***** **** temperature, ****** **** **** than * ******* ****** does **** ********* **** surface ***********.
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Undisclosed Integrator #13
******* * ****** ********, but ********* **** ********* from *******: "**** ****** who **** ******** **** temperature (***) *** **** elevated **** *********** (***). Some ** ***** ****** with *** *** **** a *****. **** ** those ****** **** * fever *** **** ***********". Can ******* **** ** if ******* **** * fever *********** *** ***, and ** ***, **** they *********** **** ***?
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Undisclosed Integrator #13
****** *****. **** *****: by ************************* ****** ** ********** measured ******** ******** (**: skin/surface)
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John Honovich
**** ****** **************** **** *** ***** clear *** *********** ***** instructions:
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