PATENT CLAIM ANALYSIS

Application Number: 15878542
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-06
Patent Classification: ["606", "246000"]

Abstract:
A polyaxial bone screw assembly includes a threaded shank body having an integral upper portion receivable in an integral receiver, the receiver having an upper channel for receiving a longitudinal connecting member and a lower cavity cooperating with a lower opening. A down-loadable compression insert with tool receiving arm extensions, a down-loadable friction fit split retaining ring and an up-loadable shank upper portion cooperate to provide for pop- or snap-on assembly of the shank with the receiver either prior to or after implantation of the shank into a vertebra. The shank and receiver once assembled cannot be disassembled.

Claim (Index 46):
The bone anchor assembly of  claim 22 , wherein at least a portion of the retainer has an interior with a plurality of spaced apart inner annular surface edges to engage the at least partial spherical outer surface of the bone anchor upper portion above and below the hemisphere thereof upon uploading of the bone anchor upper portion into the receiver cavity.

Metadata:
- Claim Count in Document: 92.0
- Percentile: 86.0
- Lexical Diversity: 1.6
- Patent Class: 606.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['14872621', '13373289', '15638039', '13374439', '14674517']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9092271618948288
- 35 USC 102 Novelty (BERT): 0.5555144245414352
- Combined Prediction Score: 0.8738558881594894
- Mean Citation Score: 498.409288
- Max Citation Score: 516.714
- Similarity Product: 415.74481995034216

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