Low-profile metallic customized patient-specific orthopaedic surgical instruments

An orthopaedic surgical instrument comprising:

• a customized patient-specific surgical instrument comprising:
• a metallic guide body extending from a posterior end to a free anterior end, the guide body including an elongated opening that is defined in its free anterior end,
• a cutting guide slot extending from the opening in the guide body, the guide slot being sized and shaped to guide a cutting saw blade into engagement with a patient's bone,
• a first plate section extending from the posterior end of the metallic guide body, the first plate section including a pair of posterior-extending arms, each arm including a first portion of a customized patient-specific negative contour configured to receive a first portion of a corresponding positive contour of the patient's bone, and
• a second plate section spaced apart from the first plate section and extending from the posterior end of the metallic guide body, the second plate section including a bone-facing surface including a second portion of the customized patient-specific negative contour configured to receive a second portion of the corresponding positive contour of the patient's bone.