640
Due to these characteristics , NiTi has been widely used in medical devices , such as surgical tools , stents , orthodontic wires , plates and staples for bone fractures .
 material: NiTi; application: medical devices; material: as; machine or equipment: tools; machine or equipment: stents; application: orthodontic; biomedical: bone fractures
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 material: NiTi; application: medical devices; material: as; machine or equipment: tools; machine or equipment: stents; application: orthodontic; biomedical: bone fractures