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Related Concept Videos

Temperature Measurement Sites01:14

Temperature Measurement Sites

2.3K
A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
2.3K
Assessing Body Temperature - Oral01:14

Assessing Body Temperature - Oral

848
Here are the steps to accurately measure oral temperature using an electronic thermometer:
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
848
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

1.2K
Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
1.2K
Assessing Body Temperature - Axilla01:14

Assessing Body Temperature - Axilla

675
Procedural Guide for Assessing Axillary Body Temperature using a Digital Thermometer:
Step 1: Perform hand hygiene and put on clean gloves to maintain infection control and prevent cross-contamination.
Step 2: Prepare the patient by explaining the procedure to ensure understanding and cooperation. Ensure privacy, expose the axilla, and inform the patient that minimal movement is crucial for an accurate reading.
Step 3: Adjust the patient’s clothing to expose only the axilla. It minimizes...
675
Assessing Body Temperature - Rectal01:27

Assessing Body Temperature - Rectal

6.7K
Rectal temperature measurement is considered the most precise method for assessing core body temperature and typically registers higher than oral temperature. For adults, the rectal thermometer should be inserted 1 to 1.5 inches into the rectum to obtain the most accurate reading.
Follow these steps for rectal temperature assessment:
Step 1: Perform hand hygiene and don clean gloves to prevent cross-infection.
Step 2: Position the patient in a side-lying position to better visualize the rectal...
6.7K
Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

693
Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.  
Step 3: Assess the patient's...
693

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Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function
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A Single Subject, Feasibility Study of Using a Non-Contact Measurement to "Visualize" Temperature at Body-Seat

Zhuofu Liu1, Vincenzo Cascioli2, Peter W McCarthy3,4

  • 1The Higher Educational Key Laboratory for Measuring and Control Technology and Instrumentations of Heilongjiang Province, Harbin University of Science and Technology, Harbin 150080, China.

Sensors (Basel, Switzerland)
|May 28, 2022
PubMed
Summary

A novel non-contact infrared sensor system accurately measures body-seat interface temperature. This technology offers a reliable alternative to traditional contact methods for assessing sitting comfort.

Keywords:
body-seat interfacecontact and non-contactinfrared sensorsittemperature measurement

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Ergonomics

Background:

  • Sedentary lifestyles increase the importance of understanding body-seat interface dynamics.
  • Contact temperature measurement can alter micro-environments and perceived comfort.
  • Non-contact methods are needed for unobtrusive thermal monitoring.

Purpose of the Study:

  • To develop and validate a non-contact infrared sensor system for body-seat interface temperature measurement.
  • To assess the accuracy and reliability of the non-contact system compared to traditional contact methods.
  • To investigate the use of advanced signal processing and machine learning for temperature estimation.

Main Methods:

  • A non-contact infrared sensor (IRs) system was developed and calibrated.
  • Simultaneous temperature measurements were taken using contact sensors and the IRs system on foam materials.
  • IRs data underwent empirical mode decomposition and fractal analysis, followed by artificial neural network modeling.

Main Results:

  • The non-contact IRs system demonstrated strong correlation (ρ > 0.85) with contact measurements.
  • The artificial neural network model achieved low root mean square error (RMSE < 0.16) and high Nash-Sutcliff efficiency (NSE ≈ 1).
  • System performance was validated for linearity, hysteresis, reliability, and accuracy.

Conclusions:

  • The developed non-contact infrared sensing system provides accurate and reliable body-seat interface temperature measurements.
  • Advanced data processing techniques enhance the estimation of surface temperature from non-contact data.
  • This technology has potential applications in improving seating comfort and ergonomic design.