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HOSPITALS

About Us: Welcome
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Hospital Authority (HA) of Hong Kong is considered to be Immune material’s earliest recurring client, as well as granting the status of authorized supplier.

Since the workshop’s opening, HA has collectively commissioned hundreds of IMU+®  embedded products and IMU+® antimicrobial materials, where they play a vital role in enhancing infection control and protecting the patient’s, visitor’s, and staff’s hygienic safety.

CASE STUDIES

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Pioneering Hygiene Enhancement at Union Hospital with IML’s IMU+ 3D-Printed Antiviral Technology

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Background

Union Hospital (UH), a private facility located in Tai Wai, Sha Tin, stands as a beacon of advanced healthcare in Hong Kong. Established shortly after the Hospital Authority took over public hospital management, UH boasts over 300 beds and offers a hotel-like environment, including a "5-star hotel ward" designed to provide a soothing and comfortable atmosphere for patients.

In a groundbreaking partnership with IML, Union Hospital became the first hospital in Hong Kong to adopt IMU+ 3D-printed Antiviral Technology. This collaboration marked the initial public proof-of-concept for 3D printing (3DP) applications in healthcare, featuring the installation of 3DP handle covers and push plates. This initiative set a significant reference point for IML’s 3DP services, showcasing their commitment to enhancing hygiene in healthcare settings.

The Challenge

In early 2022, Hong Kong was dealing with the fifth wave of COVID-19, the city’s most contagious outbreak to date, with cases peaking at 50,000 per day. Hospitals struggled to manage the sudden surge of confirmed cases, leaving healthcare facilities overstretched and vulnerable to further outbreaks.

 

Union Hospital, like many others, urgently needed to strengthen infection control measures to prevent the spread of pathogens in high-contact areas. Antimicrobial products became critical for minimizing infection risks by actively reducing harmful pathogens on frequently touched surfaces. However, traditional coatings on surfaces often wore off quickly, diminishing their effectiveness over time. Hospitals require durable, cost-effective solutions to improve hygiene protocols, create safer environments, and reduce the risk of cross-contamination for patients, healthcare workers, and visitors.

Our Solution

IML’s IMU+ technology provided a crucial solution to Union Hospital's challenges. IMU+, an advanced antimicrobial agent, is capable of neutralizing over 99% of surface-level pathogens within 20 minutes of exposure, including the COVID-19 virus. Leveraging in-house 3D printing (3DP) capabilities, IML produced custom-designed handle covers tailored to fit the hospital’s doors and trolleys. These products were developed to maximize hygienic safety while minimizing costs.

Unlike traditional filament (FDM) printing, IML employs liquid crystal display (LCD) printing, which allows for a smooth, non-porous surface finish that is both pleasant to the touch and easy to clean. This ensures that the handle covers not only deliver superior antimicrobial performance but also meet the aesthetic and functional requirements of hospital environments.

The Benefits

The collaboration between Union Hospital and IML successfully demonstrated the efficacy of IMU+ 3D-printed antimicrobial products in a high-demand healthcare setting. Key benefits included:

  • Enhanced Infection Control: The IMU+ handle covers actively reduced surface-level pathogens, providing an added layer of protection for patients, staff, and visitors during critical times.

  • Cost-Effectiveness: The custom 3DP handle covers were designed to be durable and long-lasting, reducing the need for frequent replacements and lowering overall maintenance costs.

  • Improved Hygiene Protocols: The smooth, easy-to-clean surface of the LCD-printed products contributed to more efficient cleaning practices, supporting the hospital’s infection control measures.

  • Proof of Concept: Union Hospital's adoption of IML’s products validated the practicality and effectiveness of IMU+ technology, encouraging other hospitals under the Hospital Authority to explore similar implementations.

Conclusion

Union Hospital’s partnership with IML marked a significant step forward in the fight against hospital-acquired infections during the COVID-19 pandemic. By leveraging the advanced antimicrobial properties of IMU+ and the precision of 3D printing technology, Union Hospital not only enhanced its infection control measures but also set a precedent for innovation in healthcare.

This successful collaboration underscores the potential of IML’s IMU+ technology to transform hygiene practices in healthcare settings, ensuring safer environments for patients, healthcare workers, and visitors alike. As more hospitals recognize the value of durable, cost-effective antimicrobial solutions, IML remains committed to supporting the healthcare industry with cutting-edge products tailored to their needs.

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ADDRESS

Workshop 08, 2/F Yan Hing Centre, 9-13 Wong Chuk Yeung Street, Fo Tan, Shatin, New Territories, Hong Kong

CONTACT 

Tel: +852 96860418

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© 2025 by Immune Materials Limited l All Rights Reserved

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