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SpO2 Probes

SpO2 Probes

SpO2, also known as oxygen saturation, is a measure of the amount of oxygen-carrying hemoglobin in the blood relative to the amount of hemoglobin not carrying oxygen.

There are many ways that the blood can be tested to ensure it contains normal oxygen levels. The most common way is to use a pulse oximeter to measure the SpO2 levels in the blood. Pulse oximeters are relatively easy to use, and are common in health care facilities and at home. They are very accurate despite their low price point.

   A SpO2 probes, also known as a pulse oximeter probe or sensor, is a medical device that is used to measure a person's oxygen saturation level (SpO2) in their blood.

It typically consists of a small clip or adhesive pad that is attached to a person's finger, toe, earlobe, or forehead, and contains a light emitter and a light detector. The probe works by emitting two wavelengths of light, one red and one infrared, through the skin and into the underlying blood vessels. Oxygenated and deoxygenated hemoglobin in the blood absorbs different amounts of light at these wavelengths, allowing the pulse oximeter to calculate the oxygen saturation level in the blood.

SpO2 probes are commonly used in hospitals, clinics, and other medical settings to monitor patients who are at risk of hypoxemia (low oxygen levels in the blood), such as those with respiratory conditions or who are under anesthesia. They are also used by athletes and people with certain medical conditions to monitor their oxygen levels during exercise or at home.

Spo2 probe types

There are different types of SpO2 probes, which can be categorized based on their design and application. Here are some common types of SpO2 probes:


  1. Location: Finger probe, Earlobe probe, Toe probe, Forehead probe.
  2. Method of measurement:Reflectance probeor Transmittance probe
  3. Reusable probes or Disposable Probes
  4. Additionally, some SpO2 probes are designed for use in specific clinical settings, such as MRI or surgery, and are constructed of materials that are safe for use in those environments.

 Selecting the Correct  Spo2  probe

Here are some factors to consider when selecting a SpO2 probe:


  1. Age of the patient: The size and design of the SpO2 probe will vary depending on the patient's age. Pediatric patients may require a smaller probe or a probe designed to fit on the earlobe or foot.
  2. Medical condition of the patient: Patients with poor peripheral circulation may require a probe designed to clip onto a toe rather than a fingertip. Patients with thin skin or fragile skin may require a probe with a softer, more flexible design.
  3. Location of the probe: The location where the SpO2 probe will be placed can also impact the choice of probe. For example, a probe designed for use on the forehead may not be appropriate for use on a finger.
  4. Purpose of the measurement: The purpose of the SpO2 measurement can also influence the selection of the probe. For example, a probe designed for use during exercise may have a different design than a probe used during surgery.
  5. Compatibility with the pulse oximeter: It is important to ensure that the SpO2 probe is compatible with the pulse oximeter being used. Some pulse oximeters may only work with specific probes, so it is important to check the compatibility before making a selection.

 Lub Dub Advantage

Lub Dub Medical Technologies has been the the business for over 29 Years. We are producing high quality SpO2 Probes that are compatible with the pulse oximeters made by different manufacturers.

The requirements and preferences of doctors and patients are varied. Different scenarios call for different types of SpO2 Probes but we here at Lub Dub ensure that all your requirements are met and your expectations are exceeded.