Patent ID: 11890147
Assignee: GLOBUS MEDICAL INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 6:
7. A surgical retractor system comprising:
first and second bone pins each comprising a head, a threaded shaft, and a distal tip;
an elongated disc shim comprising an upper portion and an elongated lower portion; and
a retractor comprising:
a frame portion having a first arm, a first blade arm operably attached to the first arm, a second arm, a second blade arm operably attached to the second arm, a third arm, and a third blade arm operably attached to the third arm;
a first blade extending from the first blade arm, the first blade comprising a first opening extending from a first end to a second end of the first blade, the first opening configured to receive the first bone pin and engage a first adjacent bone, the first opening being an enclosed channel or a partial channel which is partially open circumferentially by more than 180 degrees;
a second blade extending from the second blade arm, the second blade comprising a second opening extending from a first end to a second end of the second blade, the second opening configured to receive the second bone pin and engage a second adjacent bone, the second opening being an enclosed channel or a partial channel which is partially open circumferentially by more than 180 degrees; and
a third blade extending from the third blade arm, the third blade comprising a slot extending along a portion thereof and locking tabs, the slot of the third blade configured to slidably receive the lower portion of the disc shim and the upper portion of the disc shim configured to engage outer edges of the third blade to lock the disc shim in a fully extended position;
wherein the first and second blades are configured to move in a cephalad-caudal direction and the third blade is configured to move in an anterior direction, and each blade is adapted to be translated and angulated independently from one another.