PATENT CLAIM ANALYSIS

Application Number: 16109252
Application Type: Utility
Filing Date: 2018-08
Publication Date: 2019-11
Patent Classification: ["600", "481000"]

Abstract:
Devices, systems, and methods for monitoring patient hemodynamic status, systemic vascular resistance, reversal of cardiac and respiratory rates, and patient respiratory volume or effort are disclosed. A peripheral venous pressure is measured and used to detect levels, changes, or problems relating to patient blood volume. The peripheral venous pressure measurement is transformed from the time domain to the frequency domain for analysis. A heart rate frequency is identified, and harmonics of the heart rate frequency are detected and evaluated to determine, among other things, hypovolemia or hypervolemia, systemic vascular resistance, and of cardiac and respiratory rates, and patient respiratory volume or effort.

Claim (Index 8):
A device for measuring and evaluating blood volume of a patient, comprising:\n a peripheral venous pressure (PVP) sensor, including a transducer configured to generate an electronic signal associated with a pressure within a peripheral vein of a circulatory system of the patient; and an evaluation unit, including a computer processor communicatively connected to the PVP sensor to receive the electronic signal and a memory storing non-transitory computer-readable instructions that, when executed by the computer processor, cause the evaluation unit to:\n obtain a time-domain PVP signal, including a plurality of values of the electronic signal over a sample period; \n apply a transformation to the time-domain PVP signal to generate a frequency-domain PVP signal; \n identify a plurality of frequencies associated with local maxima of the frequency-domain PVP signal, including a heart rate frequency (F 1 ), a first harmonic frequency (F 2 ) at a first harmonic of the heart rate frequency, and a second harmonic frequency (F 3 ) at a second harmonic of the heart rate frequency; and \n calculate a blood volume metric based at least in part upon the heart rate frequency (F 1 ), the first harmonic frequency (F 2 ), and the second harmonic frequency (F 3 ).

Metadata:
- Claim Count in Document: 38.0
- Percentile: 96.0
- Lexical Diversity: 2.01695
- Patent Class: 600.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['12580648', '12034143', '12729883', '15525748', '13839534']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.4669688484619865
- 35 USC 102 Novelty (BERT): 0.4595358596882616
- Combined Prediction Score: 0.466225549584614
- Mean Citation Score: 171.65678199999996
- Max Citation Score: 180.12424
- Similarity Product: 135.58421273395538

Labels:
- Claim Label 101: 0
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 0
- Label 101 Adjusted: 0

Dataset: test