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US 12,605,153 B2Granted
Retractor tool apparatus and method of manipulation
AssigneeSeaSpine Orthopedics Corporation
InventorsMichael Roscoe Harper, Trevor Thomas Jaye, Sarah Jauregui, Matthew Steven Horner, Daniel Scott Davenport
Life of this patent
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Abstract
A retractor tool apparatus and method of manipulation are described. The retractor tool may include one or more blades. The one or more blades may be cranial/caudal blades. The one or more blades may be a medial blade. One or more portions of the retractor tool may be adjustable.
Claims17
A retractor tool comprising:
- two or more blades adjustable in length, wherein:
- at least one blade comprises an upper blade and a lower blade;
- the upper blade further comprises an upper shaft having a shaft wall defining a hollow, the lower blade further comprises a lower shaft, the hollow configured to receive the lower blade to allow the lower shaft to move along a longitudinal direction of the upper shaft;
- and
- the upper blade further comprises an opening at an upper end, the lower blade further comprises a lower threaded member, the opening is configured to receive an upper threaded member to engage with the lower threaded member to position or slide the lower blade to or from the upper blade;
- two or more base arms, the two or more blades mechanically engaged to the two or more base arms respectively;
- a base rack, the two or more base arms slideably coupled to the base rack;
- wherein the two or more base arms are configured to slide along a longitudinal direction of the base rack to adjust a distance between the two or more blades.
5 more elements
A retractor tool comprising:
- a base arm;
- at least one blade;
- and
- a pivoting engagement between the base arm and the at least one blade, wherein the pivoting engagement comprises a gear end, a thread end, and a through opening, the gear end is configured to be engaged with a driving mechanism, the thread end is engaged with the at least one blade, the through opening is configured to receive a pin engaged with the base arm, such that an up or down movement of the driving mechanism drives the pivoting engagement to rotate about the pin, allowing the at least one blade to angle both in and out from the base arm.
1 more element
Dependencies are inferred from the claim text.