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Comparative Life Cycle Assessment of Cardiac Monitoring Devices: A Case Study
KTH, School of Industrial Engineering and Management (ITM), Production Engineering.
2020 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Current cardiac monitoring devices are rigid, bulky, and integrate poorly with the human skin, obstructing health monitoring for longer periods. With the miniaturization of electronics, soft and stretchable polymer substrate-based cardiac monitoring device is being developed at Mycronic AB to overcome the aforementioned issues and replacing the traditional rigid electronics-based cardiac monitoring devices. Manufacturing of stretchable cardiac monitoring device includes new materials and manufacturing techniques as well as different end-of-life treatments. The sustainability of this kind of stretchable device is often enquired by curious customers and environment enthusiasts. Without a comprehensive scientific study on the environmental performance of this device, it is difficult for the manufacturer to answer such inquiries. Hence, this study aims to carry out a comparative Life Cycle Assessment (LCA) of rigid and stretchable cardiac monitoring devices. The LCA for both the devices was based on ISO 14044:2006 standards. The impact assessment method used was ReCiPe 2016 (Hierarchist). The LCA results showed that the stretchable cardiac monitor had significantly lower impacts than its rigid counterpart. Lower usage of Printed Circuit Board (PCB) in the stretchable device was the main reason for its better environmental performance. The PCB was identified as the major environmental hotspot in both the devices.

Abstract [sv]

Nuvarande hjärtövervakningsanordningar är styva, skrymmande och dåligt integrerade med människans hud och hindrar övervakning under längre perioder. Inom ramen för det europeiska forskingsprojektet SINTEC har Mycronic bidragit till att utveckla en ny design och tillverkningsmetod för en mjuk och töjbar polymersubstratbaserad övervakningsanordning för att övervinna de ovan nämnda hindren med de traditionella alternativ. Tillverkning av töjbar hjärtövervakningsanordning inkluderar nya material och tillverkningstekniker som ger en ökad hållbarhet som ofta efterfrågas av nyfikna kunder och miljöentusiaster. Men utan en omfattande vetenskaplig studie om enhetens miljöprestanda är det dock svårt för tillverkaren att besvara sådana frågor, och därför syftar denna studie till att utföra en jämförande livscykelanalys (LCA) av styva och töjbara hjärtövervakningsanordningar. LCA för båda enheterna baseras på ISO 14044: 2006-standarder. Den konsekvensbedömning som användes var ReCiPe 2016 (Hierarchist). LCA-resultaten visade att den töjbara hjärtmonitorn hade signifikant lägre påverkan än dess styva motsvarighet. Lägre användning av kretskort (PCB) i den töjbara enheten var den främsta anledningen till dess bättre miljöprestanda och just PCB identifierades som den viktigaste miljöhotspoten i båda enheterna.

Place, publisher, year, edition, pages
2020. , p. 73
Series
TRITA-ITM-EX ; 2020:590
Keywords [en]
Life Cycle Assessment (LCA), Cardiac monitoring devices, Stretchable electronics
Keywords [sv]
Livscykelbedömning (LCA), hjärtövervakningsanordningar, stretchbar elektronik
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-286308OAI: oai:DiVA.org:kth-286308DiVA, id: diva2:1503537
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Examiners
Available from: 2020-11-24 Created: 2020-11-24 Last updated: 2022-06-25Bibliographically approved

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