Thumy Tattoos are injection site rotation temporary tattoos designed to help diabetic children remember where they have previously injected insulin.


Diabetes Daily

Diabetes Daily

Thumy Tattoos Help Kids With Injection Site Rotation


By Sysy Morales March 11th, 2019

A loved one with diabetes inspired a young woman to create something that would help provide a solution to a problem using her unique talents.

Renata Souza is a 25-year-old Mexican industrial designer and aunt to Thomás, a little boy diagnosed with type 1 diabetes at age 5. She studied product design at Parsons School of Design and as her capstone project she thought of her nephew and created a product for children with diabetes: a kit which includes an insulin pen designed for a child’s hand and temporary tattoos that help kids remember where they’ve already recently injected for proper site rotation. She says “Both products are intuitive and playful, adding a bit of fun and whimsy to the process of managing a difficult condition.”

Her design gained her recognition as a national finalist in The James Dyson Award contest and piqued interest all over the world. Souza soon presented at Dutch Design Week in the Netherlands and at Design Indaba’s annual design conference in Cape Town, South Africa.

As a young designer, Souza is honest and humble about her mistakes. She says that she lost the time frame of her provisional patent which expired, casting her design to the public domain, putting the insulin pen on hold for now, since the pen would require FDA approval and without a patent, it is difficult to gain commitment from investors. But, her Thumy tattoos are still a go!

I asked her some questions to learn more:

Renata Souza

Renata Souza Luque

THUMY Creator

THUMY Instagram

THUMY Instagram

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