Tidewave R&D AS of Stavanger at MEDICA 2021 in Düsseldorf -- COMPAMED Trade Fair
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Tidewave R&D AS

P.O. Box -, 4016 Stavanger
Hillevagsveien 101, 4016 Stavanger

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This company is co-exhibitor of
German-Norwegian Chamber of Commerce

Hall map

MEDICA 2021 hall map (Hall 15): stand J02

Fairground map

MEDICA 2021 fairground map: Hall 15


Bjørn Lorentzen

CEO & Founder



Daniela Centonze




Andreas Smith




Arvid Bjerre


+47 979 51 699


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Our range of products

Product categories

  • 05  Disposables and consumables
  • 05.15  Wound care equipment
  • 05.15.11  Decubitus prevention products

Decubitus prevention products

Our products

Product category: Decubitus prevention products

Tidewave Turning Mattress

Automated pressure relief and continous redustribution
The unique technology provides automated turning sequences for the prevention and treatment of pressure ulcers (decubitus) up to and including category four (4). The continuous and automated movement sequences of the Tidewave™ mattress make manual repositioning unnecessary. For the patient, this means undisturbed sleep, less stiffness and pain, as well as a general improvement in well-being and quality of life. The Tidewave™ mattress enables caregivers to avoid manual repositioning multiple times a night while providing the peace of mind that the patient is in bed, safely.

Unique curving technology based on clinical best practices
The Tidewave™ mattress consists of an ergonomic cold foam mattress with air cells underneath. With the push of a button, it curves to shape a supporting cradle around the patient’s body. After the patient is safely supported, the mattress starts moving slowly and continuously from side to side. The increased surface contact area of the cradle shape, combined with the slow and constant movement from side to side, eliminates the need for manual repositioning.
The intuitive control panel lets the user set the degree of turning, turning direction both ways, only left or only right. The time it takes to complete a turning cycle can be set to 20, 40, or 60 minutes. A pause of 15 or 30 minutes at side position can also be set.
The mattress can be ordered with soft, medium or hard foam section, depending on the weight and preferences of the patient.

Key elements
• Ergonomic cold foam mattress on top
• Dual layer air mattress
• 12 air cells in 9 individual controlled sections
• The curvature adapts to the weight of the user to ensure stability before the turning begins
• Incontinence protection cover surrounds the entire mattress
• A single connector with CPR quick release connects the mattress to the pump unit


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About us

Company portrait

The Tidewave concept was originally invented by Audun Haugs, an active participant at the CMR Institute, the largest centre for development research in Scandinavia. He had developed a soft grip tool for the petroleum sector and realized that the technology could be used for other purposes. Together with medical staff at Haukeland Hospital he reused the patent by developing a curved turning mattress that should reduce the large problem with pressure ulcers. He managed to build and test a prototype before the project got put on hold after his sudden passing in 2008. However, in January 2017 Haugs' granddaughter, Elen Haugs Langvik, brought the concept to life again together with her two fellow students Bjørn Lorentzen and Nina Fagerheim Åmodt. A new company was formed: Tidewave R&D AS.

Today, Tidewave R&D is a health tech company focusing on assistive aids for people with movement disabilities. Our core activity is development, whereof the turning mattress is the first product in our portfolio. Several research studies have shown strong values of health benefits and savings of using the Tidewave turning mattress compared to manual repositioning.

Company data

Number of employees 1-19
Foundation 2017
Area of business Disposables and consumables