PATENT CLAIM ANALYSIS

Application Number: 16372240
Application Type: Utility
Filing Date: 2019-04
Publication Date: 2019-07
Patent Classification: ["606", "278000"]

Abstract:
A spinal screw assembly providing an adjustable securement of a fixation rod across at least two vertebrae. The assembly includes a pedicle screw having a spherical head portion, a threaded shaft portion and a tool engagement surface in the head portion for use in driving the screw into a vertebrae. The head portion of the screw is positioned in a body member adjacent a curvilinear surface disposed about an aperture in the end of the body member such that the shaft portion of the screw extends therethrough and the curvilinear inner surface abuts and mates with the head portion of the screw so as to define a ball joint therewith. The body member additionally defines a pair of opposed parallel slots therein adapted to receive a portion of the fixation rod and a locking cap bears against the fixation rod to releasably secure the rod within the assembly.

Claim (Index 1):
A pivotal bone anchor assembly for securing a fixation rod to a bone via a closure, the pivotal bone anchor assembly comprising:\n a shank having a longitudinal axis and at least a partially shaped spherical head formed on a proximal end thereof, the head having a spherical outer surface defined by a single common radius extending above and below a hemisphere plane perpendicular to the shank longitudinal axis; a body member having an axial bore formed along a longitudinal axis of the body member intersected by a channel adapted to receive the fixation rod, the axial bore including a proximal closure mating structure, a integral distal interior surface configured to support the shank head while allowing for pivotal movement of the shank relative to the body member, and a distal opening adjacent the distal interior surface through which the shank extends; and a compression bushing positionable in the axial bore having an outer surface in direct biased engagement against an integral internal surface of the body member above the distal interior surface, wherein the compression bushing cooperates with the body member via the direct biased engagement therebetween to exert a distal pressure towards the spherical outer surface of the shank head to frictionally hold the shank head down within the body member prior to a locking of the assembly via the closure, so as to provide a friction fit articulatable relationship between the shank and the body member.

Metadata:
- Claim Count in Document: 80.0
- Percentile: 100.0
- Lexical Diversity: 1.93671
- Patent Class: 606.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14163797', '13507857', '12154448', '10848946', '14250685']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8559833824183232
- 35 USC 102 Novelty (BERT): 0.5440159955515301
- Combined Prediction Score: 0.8247866437316439
- Mean Citation Score: 421.1288080000001
- Max Citation Score: 463.47812000000016
- Similarity Product: 367.6726218881608

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test