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Regaining Mobility with Technology

Expo Girls
07 Dec, 23
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Mentored By: Yogesh Arora
Salwan Public School, Gurugram
Regaining Mobility with Technology


Artifial Orthopadics is a project of Biomechanics. It is very useful for the people who are unable to do certain activities like sitting, walking, writing, and many other daily routine activities. It is made with the help of 3D printing. This artificial joint (prosthesis) helps reduce pain and improve function. Hip replacement surgery might be an option if hip pain interferes with daily activities and nonsurgical treatments haven’t helped or are no longer effective. The most common reason to need hip replacement is arthritis damage. Hip replacement surgery is a procedure in which a surgeon makes an incision over the side of the thigh, removes the diseased parts of the hip joint, and replaces them with new, artificial parts.

Why It's Done

  • Osteoarthritis. Commonly known as wear-and-tear arthritis, osteoarthritis damages the slick cartilage that covers the ends of bones and helps joints move smoothly.
  • Rheumatoid arthritis. Caused by an overactive immune system, rheumatoid arthritis produces a type of inflammation that can erode cartilage and occasionally underlying bone, resulting in damaged and deformed joints.
  • Osteonecrosis. If there isn't enough blood supplied to the ball portion of the hip joint, such as might result from a dislocation or fracture, the bone might collapse and deform.

Technology Used

There are several technologies used in hip joint implants. According to the Hospital for Special Surgery (HSS), some of the latest technologies used in total hip replacement surgeries include:

  • 3D printed implants: 3D printing technology has enabled surgeons to create custom implants that fit a patient’s unique anatomy. This technology allows for greater precision in implant design and placement .

  • Smart sensors and other wearables: Smart sensors can be used to monitor a patient’s progress after surgery. These sensors can track a patient’s range of motion, activity level, and other metrics that can help doctors assess recovery progress .

  • Augmented reality: Augmented reality technology can be used to create a 3D model of a patient’s hip joint before surgery. This model can be used to help surgeons plan their approach and visualize how different implant options might fit .

Solution Developed

Several solutions have been developed to improve hip joint implants. One such solution is the use of drug-eluting polymers on the surface of artificial joints, which can make them infection-free. Another solution is the use of additive manufacturing techniques to create hip replacements with complex geometries, which require precise techniques.

It is important to note that hip implants are designed with optimal chemical composition, surface charge, and roughness for improved osseointegration. The proteins that adsorb to these surfaces and foster osseointegration are also proteins that encourage bacterial attachment and subsequent biofilm formation. Infection is an uncommon complication that leads to implant failure and is devastating for patients .


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*As submitted by students on Makershala portal.

About Makershala

Makershala is a Learning by Making ecosystem for kids from age 8-16 to help them discover their interests, develop future skills and deepen conceptual understanding. Makershala follows the Project Based Learning approach as its way of teaching in which kids work on authentic, real life & personally meaningful projects.

Kids work on these projects in different educational settings, namely; self-learning; online 1:4 Peer to Peer with a mentor; or in a school. Projects are categorized in different interest segments like Robotics, Coding, Electronics, 3D Printing, Animations, Photography, Machine Learning, Astronomy and many more.

Each project is mapped with classroom concepts, 21st century skills, UN sustainable development goals and interests/careers to not only focus on holistic development of a child but help them identify their calling by giving them exposure to problems that exist in the real world.

Why Project-Based Learning

Project-Based Learning has the potential to solve many of the learning problems we see today beyond foundational literacy.

  • Ownership: Learners have complete ownership on what they need to know to solve a problem and come up with the best solution in the best way. It can be a concept or a software tool or a skill. Kids involved in projects are never required to be told to study.

  • Interdisciplinary: Unlike traditional learning where subjects are taught in silos and learners develop a perception of liking or disliking a subject. In project based learning, the given problem is supreme and it may require to know something from maths, science and history together.

  • Experiential learning: We generally retain 75% of what we do as opposed to only 5% of what we hear and 10% of what we read, hence PBL helps kids retain what they learn.

  • Lifelong learning: The most important gift that PBL gives to its learners is to make them lifelong learners as this is the most required skill to lead a good life, personally & professionally.

  • Skills & Knowledge balance: Project-based learning doesn’t focus too much on memorizing information, rather it equally demands practising life skills to be able to do better in projects.

How Makershala Works

  • Parents and Kids who wish to start their journey with Makershala, are suggested to pick one interest area of the child and then choose a plan.

  • Parents and Kids after enrolling in a course based on their interest are assigned a batch. Each batch has 3-4 learners and 1 mentor.

  • Each course has 6 guided projects and 1 challenge project.

  • During the project, formative assessments are conducted to evaluate learner’s knowledge & skills.

  • On completion of a project parents and kids get a learning report which indicates the skills and knowledge developed/displayed by them.

  • Kids also build their portfolio which showcases problems solved, solutions created, skills developed, knowledge acquired and technologies learnt.

  • Kids earn rewards in the form of badges, points and coins for their performance in a project, course and overall.

  • Kids are maneuvered to take up courses and projects from different learning segments to gain more clarity on their interests. This eventually helps them in picking up a career.