Clinical Chemistry - The Sentinel Clin Chem Cal is a device intended for medical purposes for use in Pancreatic amylase, Cholinesterase, Creatinine, Lithium, Alpha-Hydroxybutyrate Dehydrogenase and "Cholinesterase Dibucaine-Inhibited" assays to establish points of reference that are used in the determination of values in the measurement of Pancreatic amylase, Cholinesterase, Creatinine, Lithium, Alpha-Hydroxybutyrate Dehydrogenase and "Cholinesterase Dibucaine-Inhibited" in human specimens.

Device Description

The Sentinel Clin Chem Cal is a lyophilized Calibrator prepared with human based serum. It consists of 4 x 3 mL bottles of lyophilized material containing pancreatic amylase, cholinesterase Creatinine, Lithium, Alpha-Hydroxybutyrate Dehydrogenase and "Cholinesterase Dibucainedi in a lyophilized human serum matrix. This material is stable until the date printed on the label when stored as directed.

AI/ML Overview

The provided text is a 510(k) summary for the Sentinel Clin Chem Cal, a multiparameter calibrator. It describes modifications to an existing device, adding new analytes. However, it does not contain information about specific acceptance criteria or a study proving the device meets those criteria in the context of typical diagnostic device performance metrics like sensitivity, specificity, or accuracy.

The document focuses on the calibration process for assigning values to the calibrator itself, rather than evaluating the performance of a diagnostic device that uses the calibrator. Therefore, many of the requested categories for a diagnostic device study are not applicable or cannot be extracted from this specific document.

Here's an attempt to answer based only on the provided text, noting where information is absent or not relevant for this type of device:

1. A table of acceptance criteria and the reported device performance

The document describes the process for assigning values to the calibrator analytes and the quality control steps during that assignment process. It doesn't present acceptance criteria for a diagnostic device's performance (e.g., sensitivity, specificity, accuracy).

Acceptance Criteria (for Calibrator Value Assignment)	Reported Performance (for Calibrator Value Assignment)
Reconstituted vial weight acceptability	2.970-3.030 g
% recovery of each control material (single run)	within 85% - 115%
% recovery of Internal Master lot (single run)	within 95%-105%
Imprecision of measurements (for target value calculation)	<= 4.5%
Outlier detection (for target value calculation)	Single data - Mean > 3SD

2. Sample size used for the test set and the data provenance (e.g. country of origin of the data, retrospective or prospective)

This information is for the calibrator value assignment process, not a diagnostic device's test set.

Sample Size: 30 randomly selected vials of calibrator material were used for value assignment.
Data Provenance: Not explicitly stated. The submitter is from Milano, Italy, but the location where the testing was performed is not specified. It's an internal process for calibrator characterization.

3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts (e.g. radiologist with 10 years of experience)

Not applicable. This document describes the process of assigning values to a calibrator using an instrument (Abbott ARCHITECT® c8000 System) and predefined internal protocols. It does not involve human experts establishing ground truth in the context of, for example, image interpretation or clinical diagnosis. Traceability to certified reference materials/organizations (DGKC, IFCC, NIST) is mentioned for the analytes.

4. Adjudication method (e.g. 2+1, 3+1, none) for the test set

Not applicable. This is not a study involving human interpretation or adjudication. The value assignment process involves calculations of mean, standard deviation, and %CV, with outlier detection, based on instrument readings.

5. If a multi reader multi case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance

Not applicable. This document is for a chemical calibrator, not an AI-assisted diagnostic device.

6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done

This concept doesn't directly apply. The "standalone" performance here refers to the calibrator's assigned values being determined by an automated analytical instrument (Abbott ARCHITECT® c8000 System) following a defined protocol, without human interpretive input for the final value.

7. The type of ground truth used (expert consensus, pathology, outcomes data, etc)

For the calibrator, the "ground truth" (assigned values) is established through a rigorous internal process involving:

Measurement on a qualified instrument (Abbott ARCHITECT® c8000 System).
Calibration against an Internal Master Lot.
Confirmation using control materials.
Traceability to recognized international and national standards: Deutsche Gesellschaft für Klinische Chemie (DGKC), International Federation of Clinical Chemistry (IFCC), and NIST, SRM 909b.

8. The sample size for the training set

Not applicable. Calibrators are characterized, not "trained" in the machine learning sense. The process described is for determining the values of a batch of calibrators.

9. How the ground truth for the training set was established

Not applicable. As above, there's no "training set." The ground truth for the calibrator's values is established by measuring reconstituted vials on a calibrated instrument against an Internal Master Lot, with traceability to external reference standards, and applying statistical analysis (mean, SD, %CV, outlier detection).

Summary

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K070971

MAY 2 3 2007

510(k) Summary

Submitter's Name/Address SENTINEL CH. Via Robert Koch, 2 20152 Milano - Italy

Contact Person

Fabio Rota Technical Director Regulatory Affairs Tel. +39 02 34551448 Fax: +39 02 34551464

Date of Preparation of this Summary:	March 30, 2007
Device Trade or Proprietary Name:	Sentinel Clin Chem Cal
Device Common/Usual Name orClassification Name:	CLIN CHEM CAL
Classification Number/Class:	JIX/Class II

This summary of 510(k) safety and effectiveness information is being submitted in accordance with the requirements of SMDA 1990 and 21 CFR 807.92.

The assigned 510(k) number is:

Device Description:

Original (Clin Chem Cal K051452).

1. The Sentinel Clin Chem Cal is a lyophilized Calibrator prepared with human based serum. It consists of 4 x 3 mL bottles of lyophilized material containing pancreatic amylase, cholinesterase in a lyophilised human serum matrix. This material is stable until the date printed on the label when stored as directed. Calibrator traceability was stated as certified to Deutsche Gesellschaft für Klinische Chemie (DGKC) for Cholinesterase
1. International Federation of Clinical Chemistry (IFCC) for Pancreatic Amylase

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Modified Clin Chem Cal

1. Deutsche Gesellschaft für Klinische Chemie (DGKC) for Cholinesterase, Cholinesterase Dibucaine-Inhibited and for Alpha-hydroxybutyrate Dehydrogenase
1. International Federation of Clinical Chemistry (IFCC) for Pancreatic Amylase
1. NIST, SRM 909b for Creatinine and Lithium.

Description of modifications:

The modified CLIN CHEM CAL assay is substantially equivalent to the original CLN CHEM CAL assay K051452. The modifications consisted of certification in the following new analytes

1. Lithium
1. Creatinine
1. Cholinesterase Dibucaine-Inhibite
1. Alpha Bota Hydroxybutyrate Dehydrogenase.

All the above listed analytes are already contained in the original CLIN CHEM CAL. Thus no modifications of the chemical's compositions nor the production procedures have been made for the Clin Chem Cal (K051452).

These modifications did not significantly change the safety and effectiveness of the device as demonstrated in the Performance Characteristics Summary.

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Intended Use:

Multiparameter calibrator [CCC-S] for quantitative clinical chemistry determinations. Sentinel Clin Chem Cal must be used for the calibration of clinical chemistry tests.

Description of the Calibrator Material:

Sentinel Clin Chem Cal contains the analytes in a lyophilized human serum matrix. The analytes consist of:

1. Pancreatic Amylase
1. Cholinesterase
1. Cholinesterase Dibucaine-inhibited
1. Lithium
1. Creatinine
Alpha-Beta Hydroxybutyrate Dehydrogenase. 6.

Assigned Values and Value Assignment Process:

Target value assignment procedure is described in internal official protocol and under defined conditions.

Thirty (30) randomly selected vials of calibrator are reconstituted by weight (acceptability 2.970-3.030 g) following the Instruction for Use. (See page 28) for draft Instructions for Use)

The reconstituted vials are pooled in two (2) pools (15 vials in pool A and 15 different vials in pool B). The pools are aliquoted in small volumes (800 - 1200 µL) and the aliquots are labelled and stored at -20 ℃.

On Abbott ARCHITECT® c8000 System (K980367), the following assays:

1. Pancreatic Amylase
1. Cholinesterase
1. Cholinesterase Dibucaine-inhibited
1. Lithium
1. Creatinine
Alpha-Beta Hydroxybutyrate Dehydrogenase. 6.

Clin Chem Cal 510(k) March 30, 2007

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are calibrated against an Internal Master Lot, stored at -20 ℃ and freshly thawed. During each testing run the following samples are tested:

1. Two levels (normal and abnormal) of control materials in triplicate to ensure the effectiveness of the measurements
1. Aliquot of Internal Master lot in triplicate
1. Aliquots of pool A and Pool B in triplicate.

Four (4) analytical runs on at least two different days are performed. Single run is accepted if % recovery of each control material is within 85% - 115% and if % recovery of Internal Master lot is within 95%-105%.

The mean and Standard Deviation and %CV of the all measurements of pool A and Pool B are calculated. Data are inspected for outlier detection (single data - Mean > 3SD) and for imprecision of the measurements according to predefined criteria. In case of absence of outliers and of imprecision </= 4.5%, the obtained mean is the Target value.

Directions for Use:

Refer to Draft Calibrator Labelling on page (See Appendix page 25 & 26 for draft Instructions for Use)

Performance Characteristics:

Please refer to Section III .

Conclusion:

The modified CLIN CHEM CAL assay is substantially equivalent to the Predicate Device and to the previous Cleared CLIN CHEM CAL as demonstrated by results obtained in the studies.

Section II. Page 17

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DEPARTMENT OF HEALTH & HUMAN SERVICES

Image /page/4/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo consists of a stylized eagle with its wings spread, and the words "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" are arranged in a circle around the eagle. The eagle is black, and the text is also black.

Public Health Service

Food and Drug Administration 2098 Gaither Road Rockville MD 20850

Sentinel CH. c/o Fabio Rota Technical Director Via Robert Koch 2 Milan Italy 20152

Re:

MAY 2 3 2007

K070971 Trade/Device Name: Sentinel Clinical Chemistry Calibrator Regulation Number: 21 CFR 862.1150 Regulation Name: Calibrator Regulatory Class: Class II Product Code: JIX Dated: March 30, 2007 Received: April 06, 2007

Dear Fabio Rota:

We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food. Drug. and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA), You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration.

If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to such additional controls. Existing major regulations affecting your device can be found in Title 21, Code of Federal Regulations (CFR), Parts 800 to 895. In addition, FDA may publish further announcements concerning your device in the Federal Register.

Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Parts 801 and 809); and good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820).

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Page 2 -

This letter will allow you to begin marketing your device as described in your Section 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market.

If you desire specific information about the application of labeling requirements to your device, or questions on the promotion and advertising of your device, please contact the Office of In Vitro Diagnostic Device Evaluation and Safety at (240) 276-0490. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97). You may obtain other general information on your responsibilities under the Act from the Division of Small Manufacturers, International and Consumer Assistance at its toll-free number (800) 638-2041 or (240) 276-3150 or at its Internet address at http://www.fda.gov/cdrh/industry/support/index.html.

Sincerely yours,

Jean M. Cooper, M.S., D.V.M.

Jean M. Cooper, M.S., D.V.M. Director Division of Chemistry and Toxicology Office of In Vitro Diagnostic Device Evaluation and Safety Center for Devices and Radiological Health

Enclosure

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Indications For Use

510(k) Number (if known):

K070971

Device Name: _CLIN CHEM CAL

Indications For Use

Prescription Use X

AND/OR

Over-The-Counter Use

(Part 21 CFR 801 Subpart D)

(21 CFR 801 Subpart C)

(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)

Concurrence of CDRH, Office of In Vitro Diagnostic Devices (OIVD)

Carol C. Beniam
Division Sign-Off

Page of of

Office of In Vitro Diagnostic Device Evaluation and Safety

K070971

Regulation Number and Section

§ 862.1150 Calibrator.

(a)
Identification. A calibrator is a device intended for medical purposes for use in a test system to establish points of reference that are used in the determination of values in the measurement of substances in human specimens. (See also § 862.2 in this part.)(b)
Classification. Class II (special controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 862.9.