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Use of surface acoustic waves to reduce pain and discomfort related to indwelling nasogastric tube

Key Takeaway: The study evaluated the NGShield device, which uses surface acoustic waves to minimize pain and discomfort associated with indwelling nasogastric tubes. Conducted on 24 healthy volunteers, the results showed that the device significantly reduced discomfort in both the nose and throat during the tube's indwelling phase. This innovation offers a promising solution to enhance patient comfort during a common medical procedure.
Price reaction · baseline $2.5 (2026-01-08 close) · hit pre-market · 2 other FEED headline(s) in the window, move may be shared
day 0 close
-7.6%
day 1
-8.8%
day 3 · peak
-32%

Market Sentiment Analysis

POSITIVE FACTORS

  • NGShield significantly reduces pain and discomfort.
  • The device is safe and effective for patients.
  • It provides a new solution to a common medical issue.

Full Press Release Details

A Schlager , YC Metzger, SN Adler
Endoscopy 42(12):1045-8
Summary
Nasogastric intubation, a commonly used medical procedure, often causes trauma, pain, and discomfort during both insertion and the time the tube remains in place. While lubricating jelly helps during insertion, it is quickly absorbed and does not reduce friction or discomfort during the indwelling phase.
This study evaluated NGShield, a device that uses surface acoustic waves on the nasogastric tube to reduce tissue contact and friction. In a single-center, blinded, crossover study, 24 healthy volunteers had a nasogastric tube inserted and left in place for six hours. The device was alternately activated and deactivated every hour, and participants reported pain and discomfort throughout the indwelling period, as well as during insertion and removal. Pain and discomfort levels were compared between active and inactive phases of the device.
Results: The activated NG-Shield was found to reduce both pain and discomfort significantly in both the nose and throat throughout the indwelling phase.
Conclusions
The NG-Shield is a safe and effective device for reducing pain and discomfort associated with an indwelling nasogastric tube

Frequently Asked Questions

What is the purpose of the NGShield device?

The NGShield device aims to reduce pain and discomfort associated with nasogastric tubes.

How was the NGShield evaluated in the study?

It was tested in a single-center, blinded, crossover study with 24 volunteers.

What were the results of using the NGShield?

The device significantly reduced pain and discomfort in both the nose and throat.

Is the NGShield device safe for use?

Yes, the study concluded that the NGShield is safe and effective.

Last updated: Jan 9, 2026