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Related Concept Videos

Temperature Measurement Sites01:14

Temperature Measurement Sites

1.6K
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...
1.6K
Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

537
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...
537
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

983
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,...
983
Assessing Body Temperature - Axilla01:14

Assessing Body Temperature - Axilla

578
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...
578
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

574
Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
574
Assessing Body Temperature - Oral01:14

Assessing Body Temperature - Oral

736
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...
736

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A Flexible Temperature Sensor Integrated at Needle Tip for In Situ Acupoint Temperature Monitoring.

Ci Song1,2, Zheng Yu3, Weiwen Feng1,2

  • 1State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China.

Micromachines
|July 27, 2024
PubMed
Summary

Researchers developed a mass-producible, flexible temperature sensor for acupoint monitoring using MEMS technology. This novel sensor integrates a platinum thermistor at the needle tip for precise in situ temperature measurements in traditional Chinese medicine.

Keywords:
MEMS manufacturing technologyacupoint temperatureflexibletemperature sensorthermistor

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Traditional Chinese Medicine

Background:

  • Acupoint temperature changes are linked to vital activities and used in Chinese medicine diagnosis and treatment.
  • Previous in situ acupoint temperature monitoring relied on manually soldered sensors, hindering mass production.
  • Need for a reliable, manufacturable temperature sensor for precise acupoint monitoring.

Purpose of the Study:

  • To develop a flexible, mass-producible temperature sensor for integration at the needle tip for acupoint monitoring.
  • To utilize Microelectromechanical Systems (MEMS) manufacturing for sensor fabrication.
  • To evaluate the sensor's performance in vitro and in vivo.

Main Methods:

  • Fabrication of a flexible temperature sensor using MEMS technology on silicon wafers.
  • Integration of a platinum (Pt) thermistor as the temperature-sensing element.
  • Assembly by inserting the sensor into a hollow needle with the Pt thermistor glued to the tip.
  • Characterization of sensor performance (sensitivity, nonlinearity, repeatability) in the 30-50 °C range.
  • In vivo testing of the sensor for acupoint temperature monitoring in rats.

Main Results:

  • A flexible temperature sensor with a slender structure (125 μm width, 3.2 cm length) was successfully fabricated.
  • The sensor exhibited a sensitivity of 5.00 Ω∙°C⁻¹, nonlinearity of ±0.39%FS, and repeatability error of ±2.62%FS within the 30-50 °C range.
  • The sensor demonstrated good performance during in vivo acupoint temperature monitoring experiments in rats.

Conclusions:

  • A novel, mass-producible flexible temperature sensor for acupoint monitoring has been developed using MEMS technology.
  • The sensor offers accurate and reliable in situ temperature measurements, overcoming limitations of previous methods.
  • This technology shows significant promise for advancing research and clinical applications in traditional Chinese medicine.