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US 10,945,777 B2Granted
Surgical instrument and method for performing an orthopaedic surgical procedure
AssigneeDepuy Ireland Unlimited Company
InventorsJeremy Oden, Steven Kitch, Graeme John Dutton, Takayuki Nakamura, Kevin Cooney
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Abstract
Surgical instruments, systems, and methods of performing orthopaedic surgical procedures on a patient's knee are disclosed.
Claims18
An orthopaedic surgical instrument, comprising:
- a first component including a passageway that extends along a longitudinal axis, the first component having a housing through which the passageway extends and a support arm that extends posteriorly from a superior end of the housing to a posterior end, the support arm having a first channel including a first lateral opening,
- a first plate removably coupled to the posterior end of the support arm of the first component, the first plate being shaped to be positioned on a proximal end of a patient's tibia,
- a second component including a shaft positioned in the passageway of the first component and an arm extending posteriorly from a superior end of the shaft, the arm of the second component having a second channel that includes a second lateral opening that is aligned in an anterior-posterior direction with the first lateral opening of the first channel, and
- a second plate pivotally coupled to a posterior end of the arm of the second component superior to the first plate, the second plate being configured to pivot about a pivot axis intersecting the longitudinal axis of the first component to tilt the second plate relative to the first plate,
- wherein an inferior-superior distance is de fined between the second plate and the first plate, and the second component is operable to be moved along the longitudinal axis relative to the first component to change the inferior-superior distance.
2 more elements
An orthopaedic surgical instrument, comprising:
- a first component including a passageway that extends along a longitudinal axis,
- a first plate coupled to a superior end of the first component, the first plate being shaped to be positioned on a proximal end of a patient's tibia,
- a second component including a shaft positioned in the passageway of the first component and an arm extending posteriorly from a superior end of the shaft,
- a second plate pivotally coupled to a posterior end of the arm of the second component superior to the first plate, the second plate being configured to pivot about a pivot axis intersecting the longitudinal axis of the first component to tilt the second plate relative to the first plate, wherein an inferior-superior distance is defined between the second plate and the first plate, and the second component is operable to be moved along the longitudinal axis relative to the first component to change the inferior-superior distance, and
- a third component coupled to the first component and the second component and being operable to move the second component relative to the first component, the third component including a handle that is positioned anterior of the first and second components, the handle extending along a longitudinal axis extending transverse to the pivot axis.
2 more elements
An orthopaedic surgical instrument system, comprising:
- a first orthopaedic surgical instrument including a tibial plate and a femoral plate configured to (i) move relative to the tibial plate along an inferior-superior axis to change an inferior-superior distance, and (ii) tilt relative to the tibial plate about a pivot axis extending traverse to the inferior-superior axis, and
- a second orthopaedic surgical instrument including (i) a pair of distractor arms that are configured to be coupled to the first orthopaedic surgical instrument, (ii) a handle extending along a longitudinal axis extending parallel to the inferior-superior axis, and (iii) a piston including an inferior end that is positioned in the handle and a superior end that is coupled to the second distractor arm, the piston being moveable relative to the handle to move a second distractor arm of the pair of distractor arms relative to a first distractor arm to move the femoral plate relative to the tibial plate along the inferior-superior axis.
Dependencies are inferred from the claim text.