Customized patient-specific orthopaedic surgical instrumentation

• Main Authors: SMITH, Matthew D, ASHBY, Alan, WYSS, Joseph G, ROOSE, Jeffrey R, ARAM, Luke, SOKOFOV, Dimitri, AKER, Chris, BENNETT, Travis, COOK, Laban, RHODES, Matt, ZAJAC, Eric, AUGER, Daniel D, SHEAKS-HOFFMAN, Janell, BEECH, Richard, LESTER, Mark B, ROSE, Bryan
• Format: Patent
• Language: English
• Published: 23.09.2021
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

A customized patient-specific orthopaedic instrument, comprising a customizedpatientspecific femoral cutting block (1300)thatcomprises abody 5 (1302) having a bone-facing surface (1312) having aCustoizedpatient-specfic negative contour (1328) configured to receive a portion of an anterior side of a patient's femur that has a corresponding Positive contour; (ii) at least one tab extending posteriorly form the body, the at least one tab (1304, 1306) having a bonefacing surface having a customized patient-specific negative contour configured to 10 receive a portion of the distal side of the patient's femur that has a corresponding positive contour; and (iii) a lip (1308, 1310) extending superiorly from an end of the at least one tab, the lip having a bone-facing surface having a customized patientspecific negative contour configured to receive a portion of the posterior side of the patient's femur that has a corresponding positive contour. A number of orthopaedic 15 surgical instruments are also disclosed. A method, apparatus, and system for fabricating suchinstruments are also disclosed. 1:3;11/14,dh p- 7- 4sraat- cdrhvdocx,2