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UnitGrades 9 - 12

Next-Generation Surgical Tools in the Body

Five photos: Laparoscopic surgery being performed. Three students measuring the stretch of silly putty. A lump of silly putty seeps through a hole. Students control a remote camera and tools. A student uses a device to remotely collect data and samples.Students learn about human anatomy and physiology, and the mechanics of biomaterials before designing their own laparoscopic surgical robots and testing them in a synthetic abdominal cavity simulator.

At the beginning of the unit, as part of lesson 1, introduce the culminating engineering design challenge of the unit, which is the design project described in the Designing a Robotic Surgical Device activity. After lesson 1, have student teams conduct its associated Challenges of Laparascopic Surgery activity as a hook to engage them in the subsequent lessons. Then present the mechanics of biomaterials lessons and activities (lessons 2, 3, 4 and 5, and their associated activities). After lesson 5 is presented, conduct the concluding design activity to complete the design challenge.

Biomechanical engineers work closely with laparoscopic surgeons to develop surgical procedures and tools. Biomechanical engineers must have an understanding of anatomy, physiology and surgery in order to communicate well with surgeons and other medical professionals. They also must have an understanding of materials properties so as to study pathologies and design implants and devices that function reliably and safely in the human body. Engineers partner with surgeons to create, design, test and manufacture new tools, devices and prosthetics—a partnership that helps to advance life-saving and life-enhancing technologies.

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