Stryker Corp. operates as a medical technology company. It operates through the following segments: Orthopaedics & Spine and MedSurg & Neurotechnology. The Orthopaedics & Spine segment provides implants for use in total joint replacements, such as hip, knee, and shoulder, and trauma and extremities surgeries. This segment also offers spinal implant products comprising cervical and thoracolumbar systems that are used in spinal injury, complex spine and degenerative therapies. The MedSurg and Neurotechnology segment offers surgical equipment, patient & caregiver safety technologies, and surgical navigation systems, endoscopic and communications systems, patient handling, emergency medical equipment and intensive care disposable products, reprocessed and remanufactured medical devices, and other medical device products that are used in various medical specialties. This segment also provides neurotechnology products, which include products used for minimally invasive endovascular techniques, products for brain and open skull based surgical procedures, orthobiologic and biosurgery products, such as synthetic bone grafts and vertebral augmentation products, minimally invasive products for the treatment of acute ischemic and hemorrhagic stroke, and craniomaxillofacial implant products, including cranial, maxillofacial, and chest wall devices, as well as dural substitutes and sealants. The company was founded by Homer H. Stryker in 1941 and is headquartered in Kalamazoo, MI.