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US 11,890,000 B2Granted
Cervical retractor and method
OwnerCharles R. Watts, Paul A. Jamesinventors
Life of this patent
Estimating the term…
Abstract
A retractor blade includes a shaft having a head portion at a first end and a foot portion at a second end of the shaft. A connector is coupled to the head portion for coupling to a frame. A toe portion extends from the foot portion and has a width and longitudinal curvature configured to at least partially conform to a curvature of a spinal vertebral body.
Claims13
A retractor blade comprising:
- a shaft having a head portion at a first end and a foot portion at a second end of the shaft;
- a connector coupled to the head portion for coupling to a frame;
- a toe portion extending from the foot portion having a width and longitudinal curvature configured to at least partially conform to a curvature of a spinal vertebral body, wherein the toe portion comprises a semielliptical protuberance and a distal end of the toe portion opposite the head portion is rounded, and
- bridge portions, extending from lateral edges of the foot portion to lateral edges of the toe portion, wherein distal ends of the bridge portions are textured.
1 more element
A retractor blade comprising:
- a shaft having a head portion at a first end and a foot portion at a second end of the shaft, wherein the shaft and foot portion have a transverse concave front surface and convex back surface;
- a connector pin coupled to the head portion for coupling to a frame;
- a toe portion extending from the foot portion having a width longitudinal curvature configured to at least partially engage a curvature of a spinal vertebral body, wherein the longitudinal curvature of the toe portion is configured to engage the uncinate process and uncal vertebral joint between adjacent vertebra, and wherein the toe portion comprises a semielliptical protuberance and a distal end of the toe portion opposite the head portion is rounded;
- and
- bridge portions, extending from lateral edges of the foot portion to lateral edges of the toe portion and configured to engage the transverse processes of adjacent vertebra, wherein distal ends of the bridge portions are textured.
2 more elements
Dependencies are inferred from the claim text.