Foxpat Lub Hauj Lwm Tseem Ceeb: Cuab Yeej Xyaum Phais Neeg by Nitin Gurram

Foxpat Lub Hauj Lwm Tseem Ceeb: Cuab Yeej Xyaum Phais Neeg by Nitin Gurram is a highly esteemed winner of the very prestigious 2020 A' Design Award Nyiaj in Tsim Kev Kawm, Khoom Pab Qhia thiab Kev Cob Qhia Competition Category.

NyiajKev Kawm· 2020

Foxpat Lub Hauj Lwm Tseem Ceeb: Cuab Yeej Xyaum Phais Neeg

by Nitin Gurram

Client: Zimmer Biomet

A' Design Award Nyiaj Winner in Kev Kawm Category

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The Design

About Foxpat Lub Hauj Lwm Tseem Ceeb: Cuab Yeej Xyaum Phais Neeg

Foxpat yog ib lub cuab yeej xyaum phais uas siv tau ntau zaus rau kev phais hloov pob txha hauv caug. Lub cuab yeej no yog ib tug qauv ntawm tus neeg mob lub hauv caug, uas muaj tej lub sensor los qhia txog kev ua hauj lwm phais zoo li cas. Cov pob txha ua los ntawm polyurethane thiab ib daim ntaub ntxhib silicone kauv nqaij mos raug tuav los ntawm ib lub thawv aluminium, yog li cov kws phais tuaj yeem xyaum siv cov cuab yeej zoo ib yam li siv hauv chav phais, tsis tas muaj ib tug pab tuav lub hauv caug. Ib rab rauj phais wireless kaw cov zog ntaus thiab qhia cov txiaj ntsig ntawm ib qhib ntsuas LED. Foxpat pab cov kws phais tshiab kawm los ntawm tej yam ua yuam kev tsis raug cai tsis ua mob rau tus neeg mob.

The Recognition

About the A' Design Award Nyiaj

Foxpat Lub Hauj Lwm Tseem Ceeb: Cuab Yeej Xyaum Phais Neeg yog tus yeej ntawm A' Design Award Nyiaj, ib qho kev lees paub muaj meej mom heev tshaj li qub uas muab rau cov qauv tsim qib siab, zoo nkauj thiab ua rau neeg xav tsis thoob. Cov neeg yeej Nyiaj yog cov haujlwm ci ntsa iab heev thiab tsim tshiab heev uas qhia txog kev paub, kev txawj ntse thiab kev ntse ntawm cov kws tsim qauv. Foxpat Lub Hauj Lwm Tseem Ceeb: Cuab Yeej Xyaum Phais Neeg xav tias yuav yog ib qho haujlwm zoo kawg nkaus uas tsim rau qhia, tshaj lij heev thiab tsim tshiab tob. Cov qauv tsim yeej A' Design Award Nyiaj no yog ib qho khoom tsim uas pom tseeb heev thiab neeg qhuas uas pab tau thiab nthuav dav ciam teb ntawm kev kos duab, kev tshawb fawb, kev tsim qauv thiab thev naus laus zis. Foxpat Lub Hauj Lwm Tseem Ceeb: Cuab Yeej Xyaum Phais Neeg yog ib qho khoom tsim uas neeg coob xav tau, uas ua rau xav, coj kev xav zoo thiab ua rau xav tsis thoob thiab xav paub.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: Foxpat is a reusable training simulator for knee replacement surgery. Unlike the existing digital simulators, Foxpat is a physical simulation of a patient knee integrated with sensors to feedback on operational performance. The learning platform incorporates all the four stages of Kolb's experiential learning cycle; feel, observe, learn and experiment. The surgeons can use actual tools that are used in the operating room to practice independently without needing an assistant to hold the knee.
Dimensions & Packaging: Width 900 mm x Depth 600mm x Height 400mm.
Tags: Arthroplasty, Knee Replacement, Medical Training, Surgical simulator, Impact hammer
Production Technology: The product consists of polyurethane(PU) bones, 3D scanned knee anatomy, aluminium structural frame and a wireless surgical mallet. The lower leg is made up of ABS plastic, and the upper knee joint is vacuum cast with silicone of shore hardness 0030. The PU bones are vacuum casted for 320gm/cc density to simulate a realistic bone density. The low production volume of 50 pieces per year, allows producing most of the plastic and aluminium parts through CNC milling.
Design Challenge: Orthopedics surgeries involve invasive processes like cutting, milling, and hammering. Making a realistic training model simulating the ergonomics of an actual operation is quite complicated. Secondly, there is not any standardized validation procedure to feedback the surgeons. Several studies have suggested that the hammer impact is a crucial element for positive results. So the impact force is recoded through a wireless surgical mallet to feedback the user on an LED impact scale.
Research: The project was a graduation thesis took place with collaboration between Zimmer Biomet and Delft University of Technology. Oxford Partial Knee Replacement is one of the most popular Knee Replacement techniques from Zimmer Biomet. The research took place in two hospitals in Oxford, where the surgical technique was invented. The outcome of this project was expected to support Oxford training course that takes place across the world to train the novice surgeons on the surgical techniques.
Inspiration: Research shows that it takes about 25 surgeries for novice surgeons to be proficient at knee replacement surgery(Qidong et al., Journal of Orthopaedic Surgery and Research, 9:81). So designing efficient and ergonomic surgical tools is not just enough, but an excellent learning platform is crucial. This idea has led to developing a reusable surgical trainer where surgeons are allowed to make mistakes without harming a patient and gain surgical skills.
Project Duration: The project started in March 2019 in Delft, The Netherlands and finished in August 2019, and was exhibited at Innovation for Health - Design Expo in Rotterdam in February 2020.
Operation Flow: As the product is used for training the novice surgeons, the training sessions take place in a conference hall or a hospital. A training support team that organizes the training or a local technician in the hospital will set up the device. Firstly, the metal frame is clamped down to a suitable table. Secondly, a new pair of Polyurethane bones are inserted into the device and clamped. Lastly, the silicon soft tissue is wrapped around the bones and locked with a Velcro strap.
Team Members: Nitin Gurram
Image Credits: Image #1, Image #2, Image #3 and Image #4: Keyshot Renders, Nitin Gurram, 2020. Image #5: Photographer and model Nitin Gurram, Foxpat photoshoot, 2020.
Video Credits: Zimmer Biomet, TU Delft, Oxford Knee Group