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Let's learn about the small machine that strengthens the lungs (Incentive Spirometer)!

Dr. Priya Sammani (MBBS)
Medically Reviewed by Dr. Priya Sammani (MBBS) ✓ Medically Reviewed
📅 Updated: Jul 14, 2026 • ⏱ 6 min read • Editorial policy
Let's learn about the small machine that strengthens the lungs (Incentive Spirometer)!
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Have you recently had a major operation? Or are you just recovering from something like a chest infection or lung infection? Sometimes we feel a little short of breath, like we have a stuffy nose . At times like these, your doctor may give you a small plastic device and ask you to breathe through it several times a day. That's what we call an Incentive Spirometer .

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Simply put, what is this Incentive Spirometer?

This is a very simple, little plastic device. It's like a little machine that gives your lungs an exercise , a workout . It's small enough to hold in your hand, like a water bottle.

After major surgery, especially chest or abdominal surgery, or after a lung disease like pneumonia , our lungs become less efficient. Our breathing can become short and shallow, which can lead to mucus and other secretions getting trapped in the lungs, which can lead to infections. This device helps us reduce that risk.

When we practice deep breathing using this, our lungs become better inflated and stronger, and it becomes easier to cough out things like mucus that are stuck inside.

What are the main advantages of using this device?

Imagine going to the gym and exercising to strengthen your arm and leg muscles. The Incentive Spirometer is like a gym for your lungs . There are several benefits to using it regularly.

The benefit Simply explained
Improving ventilation to the lungs It regulates the amount of air entering and leaving your lungs when you breathe, helping you use your lungs to their full capacity.
Recovering quickly from anesthesia Anesthetic drugs administered during surgery are quickly cleared from the lungs, helping to speed recovery.
Clearing mucus from the lungs When you breathe deeply and exhale, the mucus and unnecessary fluids in the lungs become loose and can be easily cleared with a cough.
Preventing lung complications Because the lungs inflate well, the risk of complications such as pneumonia and atelectasis is greatly reduced.

Who wants to use this?

Your doctor will usually recommend using this device in the following situations:

  • After chest surgery or abdominal surgery: After such surgeries, we are a little afraid to take a deep breath due to the pain. This can lead to decreased lung function.
  • Ribcage injuries : When a rib is broken, we unconsciously take shallow breaths because it hurts when we breathe or cough.
  • For those on bed rest: Staying in bed for several days can reduce airflow to the lower parts of the lungs and cause mucus to accumulate.
  • After illnesses like pneumonia:This helps to remove mucus and fluid that remains in the lungs even after the disease has cleared.
  • Conditions like Asthma and COPD ( Chronic Obstructive Pulmonary Disease ): This exercise helps keep the lungs strong for people with these chronic respiratory diseases .
  • Atelectasis (collapsed lung): This helps to restore function to parts of the lungs that are not inflating properly.
  • Diseases such as Cystic Fibrosis and Sickle Cell Anemia: This device is useful in keeping the lungs healthy, as these diseases cause mucus to accumulate in the lungs and blood vessels to become blocked.

Okay, now let's see how to use this exactly.

It's very easy to use. But it's important to do it right . Don't worry, I'll walk you through it step by step.

1. Sit up straight: If possible, sit on the edge of the bed. If not, sit as straight as you can in bed.

2. Hold the device upright: Hold the spirometer upright in your hand.

3. Insert into mouth: Place the mouthpiece inside your mouth and close it tightly with your lips to prevent air from escaping.

4. Take a slow, deep breath: Now breathe in as slowly and deeply as you can. You will see a piston (usually yellow) inside the device rise. Your goal should be to bring the piston to the level marked by the doctor or nurse.

5. Hold your breath: Once the piston reaches its maximum position, hold your breath for as long as possible (at least 5 seconds). This will help your lungs develop properly.

6. Exhale slowly: Now exhale slowly. Then that piston will go down again.

7. Take a break: Rest for a few seconds and then repeat these steps again.

8. Frequency: It's best to do this at least 10 times every hour you're awake.

9. Finish with a cough: After doing this 10 times,Cough deeply two or three times. This will help loosen the mucus in your lungs. If you have a surgical wound, place a pillow or rolled towel over the wound while coughing to compress it. This will reduce the pain.

If you feel dizzy or your eyes are turning blue while doing this, stop immediately and tell your doctor or nurse.

How do you keep this clean?

Yes, it is very important to keep it clean. Otherwise, germs can get in. If you use it at home, clean it every day.

  • First, remove the mouthpiece and wash it thoroughly with soap and running water.
  • Then wash the rest of the equipment in the same way with soap and water.
  • Wash thoroughly and let it dry completely before using it again.

Don't use a device that someone else has used. Always use a device that is dedicated to you.

Take-Home Message

  • The Incentive Spirometer is a simple device that gives your lungs a workout, strengthens them, and helps prevent lung-related complications.
  • This is especially useful after surgery and respiratory illnesses.
  • Do the exercises exactly as your doctor or physical therapist advises, and don't be lazy!
  • After each use, don't forget to cough deeply. This is what removes the mucus.
  • Always keep the device clean.
  • If you have any questions about this, don't be afraid to ask your doctor.
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⚠️ Important: Medical articles and information on Nirogi Lanka are strictly for educational and awareness purposes and do not substitute professional medical advice, diagnosis, or treatment. Always consult a qualified physician for any medical concerns.