Search Results
Found 4 results
510(k) Data Aggregation
(71 days)
BIOCHEM IMMUNOSYSTEMS (U.S.), INC.
The PersonallAB™ Automated Micropiate Analyzer from BloCHEM IMMUNOSYSTEMS (U. S.), INC. of Allentown Pennsylvania is a fully automated microplate analyzer. The analyzer is used for the in vitro diagnostic processing of human and animal specimens with Immunoenzymatic techniques, developed on 96 well microplate formats, such as:
- E.I.A. (Enzyme Immuno Assay), and
- E.L.I.S.A. (Enzyme Linked Immuno Sorbent Assay).
The PersonalLAB™ Automated Microplate Analyzer is intended to duplicate the manual analytical procedures associated to an assay and the assay's reagents, by performing automatically the various steps identified in the assay manufacturer's Instructions For Use. The steps performed are as follows:
- Specimen handling and identification,
- Specimen pipetting and pre-dilution,
- Reagent distribution and pipetting.
- Washing of the microplates.
- Incubation of the microplates,
- Photometric reading of the microplates,
- Data analysis -- both quantitative and qualitative,
- Data management - displaying, printing and archiving, and
- Waste management.
The PersonalLAB™ Automated Microplate Analyzer is used for the in vitro diagnostic processing of various specimen types, as define by the assay manufacturer's instructions for use. Examples of specimen types are as follows:
- Whole blood,
- Serum.
- Plasma.
- Urine,
- Stool.
- Spinal fluid,
- Saliva, and
- Swabs from antigen sites.
The PersonallAB™ Automated Micropiate Analyzer from BloCHEM IMMUNOSYSTEMS (U. S.), INC. of Allentown Pennsylvania is a fully automated microplate analyzer. The analyzer is used for the in vitro diagnostic processing of human and animal specimens with Immunoenzymatic techniques, developed on 96 well microplate formats, such as: E.I.A. (Enzyme Immuno Assay), and E.L.I.S.A. (Enzyme Linked Immuno Sorbent Assay). The PersonalLAB™ Automated Microplate Analyzer is intended to duplicate the manual analytical procedures associated to an assay and the assay's reagents, by performing automatically the various steps identified in the assay manufacturer's Instructions For Use. The steps performed are as follows: Specimen handling and identification, Specimen pipetting and pre-dilution, Reagent distribution and pipetting. Washing of the microplates. Incubation of the microplates, Photometric reading of the microplates, Data analysis -- both quantitative and qualitative, Data management - displaying, printing and archiving, and Waste management. The PersonalLAB™ Automated Microplate Analyzer is used for the in vitro diagnostic processing of various specimen types, as define by the assay manufacturer's instructions for use. Examples of specimen types are as follows: Whole blood, Serum. Plasma. Urine, Stool. Spinal fluid, Saliva, and Swabs from antigen sites.
This document is a 510(k) premarket notification for the PersonalLAB™ Automated Microplate Analyzer. It describes the indications for use of the device but does not contain information about acceptance criteria or a study that proves the device meets those criteria, nor does it provide details about sample sizes, ground truth establishment, or expert qualifications.
Therefore, I cannot provide the requested information based on the provided text. The document is a regulatory approval letter from the FDA, not a performance study report.
Ask a specific question about this device
(426 days)
BIOCHEM IMMUNOSYSTEMS (U.S.), INC.
The Spirit " , is a computerized, enhanced electronic Hematology System designed for clinical applications to allow 16 whole blood parameters to be measured by a small table top computer driven instrument.
The Spirit" Hematology System is a microprocessor based device which is designed to provide identical function as the System 9000 Plus, (Model 9018). This compact device sits on any desktop. It provides a fathful analysis and display of key blood cells parameters by automatic processing and analyzing test results via a structured computer program. Both the System 9000 Plus, (Model 9018) retain an electronically stored data and act on that data using mathematical computations {proprietary algorithm}and computer programming {stored in a Electronic media and PROM}to provide blood parameters.
Here's an analysis of the provided text regarding the Spirit™ Hematology System, focusing on the acceptance criteria and the study that proves the device meets them:
1. Table of Acceptance Criteria and Reported Device Performance:
The provided document does not explicitly state quantitative acceptance criteria or detailed device performance metrics. Instead, it relies on claiming "substantial equivalence" to a predicate device.
Acceptance Criteria | Reported Device Performance |
---|---|
Functional Equivalence to System 9000 Plus (Model 9018) | "designed to provide identical function as the System 9000 Plus" |
Measurement of 16 whole blood parameters | "allow 16 whole blood parameters to be measured" |
Accuracy (conventional accuracy as per predicate) | "analyze whole blood on a repeatable basis with conventional accuracy. as also does the System 9000 Plus" |
Safety and Efficacy | "This device is safe and effective for the application for which it is intended and has been tested to confirm safety and efficacy." (No specific metrics or details provided.) |
Throughput of analytical data (compared to predicate) | "Each process yields a higher throughput of analytical data" |
Ease of Use (compared to predicate) | "resulting in a system easier to use" |
Cost (compared to predicate) | "lower in cost" |
Maintenance (compared to predicate) | "easier to maintain in the field" |
Good Manufacturing Procedures (GMP) conformance | "benefited from design, development, testing and production procedures that conform to Good Manufacturing Procedures." |
2. Sample size used for the test set and the data provenance:
The document does not specify a sample size for a test set. The claim of "substantial equivalence" appears to be based on design and functional similarity rather than a dedicated clinical study with a distinct test set. No information is provided regarding data provenance (e.g., country of origin, retrospective or prospective).
3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts:
The document does not mention a test set, experts, or the establishment of ground truth by experts.
4. Adjudication method for the test set:
Not applicable, as no dedicated test set or adjudication process is described.
5. If a multi-reader multi-case (MRMC) comparative effectiveness study was done, and the effect size of how much human readers improve with AI vs without AI assistance:
Not applicable. The Spirit™ is an automated electronic hematology system, not an AI-assisted diagnostic tool for human readers. There is no mention of human readers or comparative effectiveness in the context of AI assistance.
6. If a standalone (i.e., algorithm only without human-in-the-loop performance) was done:
The device is described as a "computerized, enhanced electronic Hematology System" and operates in an "unattended mode" to provide "automatic processing and analyzing test results." This strongly suggests a standalone performance mode, as it describes the algorithm/system performing the analysis without human intervention during the measurement process. However, specific standalone performance metrics are not given. The document does state that "Neither device has claims or, is offered as, laboratory analysis equipment. Where either device is used, traditional medical practice requires additional analysis for any authentic diagnosis," implying it's a tool for analysis, but not a standalone diagnoser.
7. The type of ground truth used (expert consensus, pathology, outcomes data, etc.):
The document does not explicitly state the type of ground truth used for validating the device's accuracy. Given the claim of "conventional accuracy" and reliance on "tried and proven chemistry," it implies that the comparison is against established laboratory methods or the performance of the predicate device (System 9000 Plus), which itself would have been validated against some form of ground truth (e.g., manual differential counts, other gold-standard hematology analyzers). However, this is inferred, not explicitly stated.
8. The sample size for the training set:
The document does not mention a training set or its sample size. This type of device, described as using "tried and proven chemistry" and "proprietary algorithm" and "computer programming," is likely rule-based or uses algorithms derived from established hematology principles, rather than being a machine learning model that requires a distinct "training set" in the modern sense.
9. How the ground truth for the training set was established:
Not applicable, as no training set is mentioned in the context of typical machine learning model development.
Ask a specific question about this device
(315 days)
BIOCHEM IMMUNOSYSTEMS (U.S.), INC.
Ask a specific question about this device
(229 days)
BIOCHEM IMMUNOSYSTEMS (U.S.), INC.
The Biodata Testosterone Maia Kit is a radioimmunoassay for the quantitative determination of testosterone in human serum or plasma. The device is intended to be used for the diagnosis of elevated or depressed levels of testosterone. It is FOR IN VITRO DIAGNOSTIC USE ONLY.
Neoplasms of the testes and adrenal cortex and hyperthyroidism may result in elevated levels of testosterone in the male. Elevated testosterone levels are observed in females with endometrial carcinoma, hirsutism, neoplasms of the ovaries, and Cushing syndrome. Patients with hypogonadism of pituitary origin, anorchia, gonadel dysgenesis, Klinefelter syndrome, and pseudohermaphroditism have decreased testosterone levels.
The Biodata Testosterone Maia kit is based on the competitive binding principles of radioimmunoassay. Testosterone (unlabeled antigen) in samples, standards, or controls competes with testosterone labeled with radioactive 1251 ("testosterone - 1251") (labeled antigen) for a limited number of testosterone antibody sites. The amount of testosterone - 1251 bound by the antibody is inversely proportional to the amount of testosterone present in the sample, standard, or control. Testosterone Maia Separation Reagent (an antibody covalently bound to a magnetic particle capable of binding the testosterone antibody) is added to the reaction mixture to facilitate the separation of the bound and free fractions of labeled testosterone. The bound fraction of each standard, sample and control is sedimented in a magnetic separator. Each bound fraction is then counted in a gamma counter calibrated to detect 125].
The concentration of testosterone in the samples can be determined by comparing the relative percent binding of the standards with known concentrates of testosterone on the standard curve. The testosterone concentration in the sample is then compared to the reference range of testosterone concentrations established by each laboratory or the expected volumes listed in the package insert.
The provided text describes several studies related to the performance of the Biodata Testosterone Maia Kit, but it does not explicitly state pre-defined acceptance criteria for each study. Instead, it presents the results and concludes that the performance is "satisfactory," "high degree of precision," "acceptable," "no significant cross-reaction," or "does not significantly affect."
Therefore, I will create a table with the study type, the reported device performance, and then explain the details of each study as they relate to the requested information.
1. Table of Acceptance Criteria and Reported Device Performance
As no explicit "acceptance criteria" are stated in the document, the table will reflect the reported findings/conclusions for each performance study, indicating whether the device met the implied performance standards.
Study Type | Implied/Observed Acceptance Criteria (based on text) | Reported Device Performance |
---|---|---|
Intra-Assay Precision | High degree of precision within assays | CV% for all samples (Serotest S-18, Lyphocheck controls, Patient Pools) ranged from 3.51% to 7.70%. Conclusion: "high degree of precision within assays." |
Inter-Assay Precision | High degree of precision between assays | CV% for all samples (Serotest S-18, Lyphocheck controls, Patient Pools) ranged from 2.77% to 9.43%. Conclusion: "high degree of precision between assays." |
Recovery Studies | Satisfactory accuracy over the specified range | % Recovery (Mean ± 1 S.D.) for spike values from 1.25 to 10.00 ng/mL ranged from 97.6% (± 9.73) to 109.3% (± 1.03). Conclusion: "accuracy... is satisfactory over the range of 1.25 to 10.00 ng/mL." |
Dilution Studies | Acceptable dilution performance with low standard | For various dilution factors (1 to 32), % recovery ranged from 90.64% to 104.29%. Conclusion: "dilution using the low testosterone concentration standard is acceptable." |
Sensitivity Study | Ability to differentiate from zero (low MDL) | Mean Detection Limit (MDL) was 0.064 ng/mL. |
Specificity Study | No significant cross-reaction with other analytes | Cross-reactivity: Testosterone 100%, DHT 15.0%, Estradiol 0.007%, Progesterone 0.01%, Estrone 0.001%, Estriol 0.0005%, Cortisol 0.002%, DHEA-S 0.006%. Conclusion: "no significant cross-reaction with testosterone." |
SHBG Interference Study | SHBG concentration not to significantly affect measurement | Average % Change in Testosterone Concentration over time (2 to 32 minutes) ranged from 99.33% to 105.49% for the new kit. Conclusion: "the SHBG Concentration does not significantly affect the measurement of testosterone." |
Variation of Assay Procedures | Variation in incubation time not to significantly affect values | Average % Recovery for controls and sera with incubation times of 45' and 75' (vs. 60' reference) were 99.1% and 98.3% respectively. Conclusion: "variation in the incubation time... does not significantly affect the control and sample values." |
GCMS Tested Samples Comparison | Results to fall within GCMS range | Mean percentage recovery was 75.69%, with individual sample recoveries ranging from 46.25% to 106.39%. Conclusion: "all the data fell within the range of the gas chromatography mass spectroscopy results." |
Correlation Studies (vs DPC) | High/Satisfactory correlation with predicate device | Males (120 samples): R = 0.8700 (vs DPC), Y = 1.0895 X - 1.034. Females (63 samples): R = 0.7598 (vs DPC), Y = 0.6061 X + 0.2471. Pre-puberal children (60 samples): satisfactory correlation (no R value given for DPC comparison). |
Correlation Studies (vs Old Maia Kit) | High/Satisfactory correlation with old version | Males (120 samples): R = 0.8769 (vs Old Maia), Y = 0.4667 X + 1.407. Females (63 samples): R = 0.9322 (vs Old Maia), Y = 0.8036 X + 0.145. Pre-puberal children (60 samples): satisfactory correlation. |
Expected Values Study | Establishment of reference ranges | Males: 5-95 percentile 2.8 - 9.7 ng/mL (Mean 6.0 ng/mL). Females: 95 percentile |
Ask a specific question about this device
Page 1 of 1