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Pressure equalisation

Almost every air passenger has suffered an unpleasant feeling of pressure or even pain in the ears occasionally during landings. Sometimes hearing is affected even days after the flight.

SANOHRA fly

SANOHRA fly was developed with the express objective of protecting the ear from quick and major changes in the air pressure, such as can be experienced in airplanes or cable cars. Inserted in time before the landing or the trip down to the valley, the ear protection forms a small chamber in the auditory canal in front the ear drum. A special, high precision filter delays the increase in air pressure in this small chamber.

 

Even if the Eustachian tubes can perform an active opening to the middle ear for the pressure balance only with a delay or with limitations, the buffer effect in the chamber prevents the ear drum from bending painfully.

Use

If you have felt pressure in the ear and pain even at the start of the flight and during ascent we recommend inserting the ear protection before the start and to remove it only after approx. 30 minutes after the start of the flight. The pressure conditions in the cabin normally do not change at cruising altitude till the aircraft begins to descend. During flights of less than an hour and half duration, we recommend wearing SANOHRA fly during the entire flight, especially since the ear protection additionally works to reduce noise.

 

>> SANOHRA fly - Product information

Information

Video

 

Many people suffer from considerable ear pain during landings. A small invention from Schwetzingen can prevent or relieve the pain. The TV show “Einfach Genial" ( Simply genius) on German TV tested it extensively.

The " Einfach Genial" test result is clear: The small ear plugs from Schwetzingen prevent or alleviate ear pain suffered during landings.

 

To mdr Video

 

 

Testimonials

Your opinion is important to us. We look forward to learning of your experience with SANOHRA fly and how the ear protection was able to remedy your ear problems.

 

Please send an email to:

meine-erfahrung-mit(at)sanohra.de

 

By sending us the email you declare your acceptance that your reported experience may be published albeit as anonymous. If you do not agree to the publication of your experience, please add a note to that effect in the email.

Where are they available?

SANOHRA fly ear plugs

  • prevents ear pain when flying
  • protects the ears against changes in pressure
  • easy to use and comfortable to put on

 

SANOHRA fly ear plugs is available in two standard sizes:

Adults with narrow ear canals should use the size meant for children. This should prevent any discomfort or pain associated with wearing a larger sized device.

 

buy SANOHRA fly

 

Brand New: Do you need a customised size for the ear protection? We now present SkyComfort ear molds! The SkyComfort ear molds contain a SANOHRA fly ear plugs pressure equalising filter and is manufactured individually for your auditory canal by hearing aid acousticians.

 

>> More information on individual ear protection


Questions and Answers about SANOHRA fly (FAQ)

Why do the ears ache usually while landing and not during takeoff?

The air pressure in the cabin reduces quickly during takeoff. This leads to relative higher pressure in the middle ear. It is easy for the ear to balance it, since this just requires a so-called passive opening of the Eustachian tubes, i.e. the excess pressure can be balanced easily.

 

During landing, the air pressure in the cabin increases quickly. To now balance the relative lower pressure that occurs, the Eustachian tubes must have a so called active opening and release the air pressure to the middle ear.

Why is limited to 3 roundtrips using SANOHRA fly?

In order to achieve the pressure-regulating properties of the patented filter, a
specially shaped bore of a few 1000th of a millimeter is required. It may for earplugs sound a little weird, but this material processing is high tech "Made in Germany". Due to the minimum bore to SANOHRA fly can not be cleaned, as even the minerals in the water could enforce the filter. Also air pollution or pollen can do that. For proper operation, we recommend therefore, SANOHRA fly after 3 return trips to replace with a new pair and the ear plugs to cover in the provided jar after use. The length of the flights and the number of stopovers are irrelevant.

How does SANOHRA fly function?

SANOHRA fly is an ear plug with an integrated filter element or technically speaking a pressure reducer. A small chamber is formed before the ear drum by inserting the plug in the auditory canal. The filter element allows the pressure there to build up considerably slowly and continuously as compared to the cabin. This gives the Eustachian tubes more time to take care of the ventilation to the middle ear.

Are there scientific studies on SANOHRA fly?

In a first systematic preparatory study at the HNO-clinic on the Charité Mitte campus in Berlin a small group of pro-bands with known ear problems while flying (airplane ear) were studied in a pressure chamber. The delay in the change in pressure due to the filter and a significant improvement in the perception of pain could be proved during this study. The study was published in an internationally recognized publication for the medical profession.

Over 500 passengers participated in a user acceptance study conducted by the Institute for Marketing and Management of the Leibniz University, Hannover for Hannover airport, TUIfly.com and the manufacturer Innosan GmbH.

• For the group of pro-bands that were particularly severely affected by ear pain when flying, the use of SANOHRA fly resulted in an average reduction in pain of 6.2 points on a 10 point scale of pain.

• 2/3 of these subjects noted that they were completely free of pain.

• Over 90% reported an improvement in the complaint. Around 80% of all participants of the study were completely free of pain with the use of SANOHRA fly.

• Over 80% of all subjects would recommend SANOHRA fly to their friends.

Where is SANOHRA fly manufactured?

SANOHRA fly was developed in Germany and is manufactured in Germany.


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