Table 1.

Medline Database search.

Number	Search terms	Results
1	(“Medical device*” or Intervention* or Assess* or Detect* or Technolog* or “image device*” or “imaging device*” or probe*).mp. [mp = title, abstract, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword, floating subheading word, candidate term word]	7,007,565
2	(Intra?operative or monitor or non?invasive or Residual or Retain* or Remain* or “During surgery” or “Real?time” or Boundar* or Edge or “re?excise”).mp. [mp = title, abstract, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword, floating subheading word, candidate term word]	2,812,795
3	(Osteosarcoma or “Ewing* Sarcoma” or “Bone cancer” or “Hard tissue cancer” or “Hard tissue tumo?r” or Chondrosarcoma or “Multiple Myeloma” or “Osteochondroma” or “Giant cell tumo?r” or Chondroma).mp. [mp = title, abstract, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword, floating subheading word, candidate term word]	111,805
4	1 and 2 and 3	3833