Plexāā Launches the Free BLOOM⁴³ app for Breast Surgery Prehab™ & Rehab
April 29, 2025 – London, UK – Plexāā, the London-based medtech startup behind the award-winning BLOOM⁴³ medical device, is proud to announce the global launch of the BLOOM⁴³ app, now available to download for free on iOS and Android across the UK, US, and more than 150 territories worldwide.
Developed in collaboration with a group of patients, the BLOOM⁴³ app is designed to support individuals preparing for and recovering from breast surgery. The app was created to answer the question so many patients face: “What can I do to prepare for my surgery?”
With expert, evidence-based information and advice from leading breast and plastic surgeons, nurses, and specialists in nutrition, movement, mindfulness, and sleep, every feature of the BLOOM⁴³ app is grounded in science and shaped by patient experience. It offers users a personalised and supportive digital companion through every phase of their breast surgery journey.
“This month is a real pinch-me moment as I watch a dream become a reality”, said Dr Saahil Mehta, Founder of Plexāā. “To have the app live and being used by patients is an incredible milestone moment for BLOOM⁴³, and I feel so proud of everyone who has helped to get it out to the world, supporting all patients on their breast surgery journeys."
What can beast surgery patients do on the BLOOM⁴³ app – for free?
Access Expert Content: Explore a rich library of evidence-based, medically approved articles and videos to help navigate their surgical journey with confidence.
Follow a Personalised Surgery Prehab™ & Rehab Guide: Engage in an 8-week pre- and post-surgery programme, with expert insights to support them before and after their procedure.
Join a Supportive Community: Connect with others on the same journey and find strength in shared experiences.
Watch Live Expert Sessions: Learn from medical professionals and industry experts through exclusive live events.
Track Symptoms & Healing Progress: Monitor recovery and stay on top of their health with built-in tracking tools.
Organise Medical Information: Securely upload and manage clinical documents, photos, surgery details, and appointments—all in one place.
Support Network: Loved ones can join as members of a patient’s support circle, gaining access to tailored content that helps them better understand the journey and provide meaningful support.
The BLOOM⁴³ app is also the companion to the FDA-registered BLOOM⁴³ device, the world’s first medical device designed to help patients safely precondition their skin at home the night before breast surgery. Whether patients are using the BLOOM⁴³ device or not to prepare for their surgery, the app offers valuable resources to support their surgical journey.
This milestone follows a series of strategic advances for the BLOOM⁴³ medical device, including its upcoming entry into the U.S. market in 2025.
Patients and healthcare professionals can now download the app for free by searching BLOOM⁴³ in their app store. Available globally on iOS and Android.
About Plexāā
Plexāā is a pioneering UK MedTech company focused on improving surgical outcomes through innovative solutions. Their flagship device, BLOOM⁴³ enables patients to supraphysiologically precondition their skin, potentially reducing the risk of wound healing complications such as infection and skin necrosis, which affect 1 in 3 women undergoing breast surgery.
BLOOM⁴³ is the world’s first fully wearable device worn next to the skin before breast surgery. By gently warming the area to stimulate the release of Heat Shock Proteins (HSPs). These naturally occurring proteins cause the release of carbon monoxide into the tissue which vasodilates the blood vessels and improves the blood flow to the skin. This improved blood flow primes the skin to heal and has been shown to prevent wound healing complications in proof-of-concept clinical trials.
Plexāā is also exploring the application of this technology in other surgical fields, including obstetrics for C-sections, orthopedics for joint operations, and general and vascular surgery, with a commitment to improving pre-operative preparation for surgery and patient outcomes.