K Number
K963986
Device Name
STP SYSTEM PVA WITH ZINC
Date Cleared
1996-11-08

(35 days)

Product Code
Regulation Number
866.2900
AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP Authorized
Intended Use
Collection, transport, preservation and preparation of stool specimens containing intestinal parasites for microscopic examination
Device Description
The product contains two conical shaped centrifuge tubes. One tube contains Polyvinyl Alcohol with Zinc and the other 10% Buffered Formalin. A stand is provided to keep the tubes in the upright position. Both tubes have a spoon contained within the tube which is attached to the cap. The cap/spoon is removed and used to obtain a sample of the stool specimen. The sample is placed into the centrifuge tubes and the cap/spoon assembly is securely closed. The collection tubes are shaken causing the mixing balls to disrupt the specimen allowing complete coverage of the specimen with the fixative. The sample in PVA can be used for permanent staining techniques. The tube with the 10% Buffered Formalin also contains an integral filter which separates large debris from the specimen facilitating concentration of the specimen for wet mount examination. The product is contained in a bag labeled with the biohazard symbol which can be used for transport of the tubes containing samples.
More Information

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Not Found

No
The device description and performance studies focus on the physical components and chemical fixatives used for specimen collection and preparation for microscopic examination. There is no mention of any computational analysis, algorithms, or learning processes.

No.
The device is used for the collection, transport, preservation, and preparation of stool specimens for diagnostic examination, not for treating a disease or condition.

No

Explanation: The device is for the collection, transport, preservation, and preparation of stool specimens for microscopic examination, not for making a diagnosis. It assists in the diagnostic process by preparing samples, but it does not perform the diagnostic analysis itself.

No

The device description clearly outlines physical components like centrifuge tubes, a stand, spoons, mixing balls, and a filter, indicating it is a hardware-based medical device for specimen collection and preparation.

Yes, this device is an IVD (In Vitro Diagnostic).

Here's why:

  • Intended Use: The intended use is "Collection, transport, preservation and preparation of stool specimens containing intestinal parasites for microscopic examination." This clearly indicates the device is used in vitro (outside the body) to prepare a biological specimen for diagnostic purposes (identifying intestinal parasites).
  • Device Description: The description details how the device is used to collect, preserve, and prepare the stool sample for microscopic examination, which is a diagnostic procedure.
  • Performance Studies: The performance studies describe the evaluation of the device's ability to properly fix and prepare specimens for microscopic examination to identify parasites. This directly relates to its function in a diagnostic process.

The device is a specimen collection and preparation system specifically designed to facilitate the microscopic examination of stool for parasites, which is a diagnostic test.

N/A

Intended Use / Indications for Use

Collection, transport, preservation and preparation of stool specimens containing intestinal parasites for microscopic examination

Product codes (comma separated list FDA assigned to the subject device)

866.2900

Device Description

The product contains two conical shaped centrifuge tubes. One tube contains Polyvinyl Alcohol with Zinc and the other 10% Buffered Formalin. A stand is provided to keep the tubes in the upright position.

Both tubes have a spoon contained within the tube which is attached to the cap. The cap/spoon is removed and used to obtain a sample of the stool specimen. The sample is placed into the centrifyge tubes and the cap/spoon assembly is securely closed. The collection tubes are shaken causing the mixing balls to disrupt the specimen allowing complete coverage of the specimen with the fixative.

The sample in PVA can be used for permanent staining techniques. The tube with the 10% Buffered Formalin also contains an integral filter which separates large debris from the specimen facilitating concentration of the specimen for wet mount examination.

The product is contained in a bag labeled with the biohazard symbol which can be used for transport of the tubes containing samples.

Mentions image processing

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Mentions AI, DNN, or ML

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Input Imaging Modality

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Anatomical Site

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Indicated Patient Age Range

Not Found

Intended User / Care Setting

Not Found

Description of the training set, sample size, data source, and annotation protocol

Not Found

Description of the test set, sample size, data source, and annotation protocol

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Summary of Performance Studies (study type, sample size, AUC, MRMC, standalone performance, key results)

Test Name: Performance Evaluation
Purpose: To evaluate the functional performance of Sage's Stool Transport Processing System - Polyvinyl Alcohol with Zinc, using a standardized testing procedure.
Summary of Method: Specimens were evaluated at independent clinical laboratories. The quality control test method described in the instruction sheet for the product was used for assessing functional performance. This method is based on the procedure reported by Garcia and Bruckner where white blood cells are used in lieu of parasites. White blood cells (buffy coat from uncoagulated human blood with high WBC count) are added to product tubes containing human stool specimens. Written instructions were then followed for the preparation and microscopic evaluation of permanent slides and wet mounts. Product function was evaluated as either satisfactory or unsatisfactory. For a satisfactory functional evaluation the smear must adhere well to the glass slides after permanent staining to allow for a thorough microscopic examination, and the added cells from the human buffy coat must be well-fixed and display typical morphology and color when the permanent stains and wet mounts are examined under a microscope.
Conclusion: The STPTTM System - PVA with Zinc, when used according to current instructions, results in a successful microscopic examination of human stool specimens for parasites.

Key Metrics (Sensitivity, Specificity, PPV, NPV, etc.)

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Predicate Device(s): If the device was cleared using the 510(k) pathway, identify the Predicate Device(s) K/DEN number used to claim substantial equivalence and list them here in a comma separated list exactly as they appear in the text. List the primary predicate first in the list.

Not Found

Reference Device(s): Identify the Reference Device(s) K/DEN number and list them here in a comma separated list exactly as they appear in the text.

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Predetermined Change Control Plan (PCCP) - All Relevant Information for the subject device only (e.g. presence / absence, what scope was granted / cleared under the PCCP, any restrictions, etc).

Not Found

§ 866.2900 Microbiological specimen collection and transport device.

(a)
Identification. A microbiological specimen collection and transport device is a specimen collecting chamber intended for medical purposes to preserve the viability or integrity of microorganisms in specimens during storage of specimens after their collection and during their transport from the collecting area to the laboratory. The device may be labeled or otherwise represented as sterile. The device aids in the diagnosis of disease caused by pathogenic microorganisms.(b)
Classification. Class I (general controls). The device, when solely intended for use in the collection of concentrated parasites from specimens and transport, is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 866.9.

0

Image /page/0/Picture/0 description: The image shows the logo for SAGE Products INC. The logo is in black and white and features the word "SAGE" in large, bold letters. Below the word "SAGE" is the phrase "PRODUCTS INC." in smaller letters. The logo has a simple, modern design.

K963986

nov. 8, 1996

Pre-Market Notification: STPTM System - PVA with Zinc

Submitter NameKaren Pinto, Regulatory Affairs Manager
Company NameSage Products Inc.
Street Address815 Tek Drive, Crystal Lake, IL 60014
Contact PersonKaren Pinto, Regulatory Affairs Manager
Telephone of Contact Person815-455-4700 ext. 1383
Fax of Contact Person815-455-5599
Date of Summary PreparationSeptember 30, 1996
Device Name
Trade or Proprietary NameSTPTM System- PVA with Zinc
Common NameFixative-preservative for intestinal parasite examination
Classification NameMicrobiological specimen collection and transport device
(866.2900)
Intended UseCollection, transport, preservation and preparation of stool
specimens containing intestinal parasites for microscopic
examination

"Innovative health care products since 1971"

1

Image /page/1/Picture/0 description: The image shows the logo for SAGE PRODUCTS INC. The word "SAGE" is in large, bold, sans-serif font. Below it, "PRODUCTS INC" is written in a smaller, sans-serif font. A horizontal line underlines the entire phrase "PRODUCTS INC".

Pre-Market Notification: STPTM System - PVA with Zinc

1

(Sontinued

Description

The product contains two conical shaped centrifuge tubes. One tube contains Polyvinyl Alcohol with Zinc and the other 10% Buffered Formalin. A stand is provided to keep the tubes in the upright position.

Both tubes have a spoon contained within the tube which is attached to the cap. The cap/spoon is removed and used to obtain a sample of the stool specimen. The sample is placed into the centrifyge tubes and the cap/spoon assembly is securely closed. The collection tubes are shaken causing the mixing balls to disrupt the specimen allowing complete coverage of the specimen with the fixative.

The sample in PVA can be used for permanent staining techniques. The tube with the 10% Buffered Formalin also contains an integral filter which separates large debris from the specimen facilitating concentration of the specimen for wet mount examination.

The product is contained in a bag labeled with the biohazard symbol which can be used for transport of the tubes containing samples.

Substantial Equivalence Comparison

The Sage STP™ System-PVA with Zinc is substantially equivalent in principle and clinical performance to Meridian's Para-Pak ZN-PVA/Formalin Kit for the routine collection, transport, preservation and preparation of stool specimens for identification of intestinal parasites by microscopic examination.

Similarities between the Sage and Meridian Products are listed below:

  • Both products have two tubes designed for the safe and convenient collection of a standardized 1. quantity of stool specimen. They both have a spoon-in-cap design.
  • The tubes in both products contain general laboratory fixative solutions: One tube contains a 2. Polyviny! Alcohol with Zinc solution and the other tube contains 10% buffered Formalin.
  • The solutions have widespread use and acceptance for the purpose of fixing and preserving 3. stool specimens. PVA allows permanent stain slides to be prepared from the specimen. Formalin is a fixative that is used primarily for preserving a specimen which will be concentrated and wet mounted on a slide.

"Innovative health care products since 1971"

2

Image /page/2/Picture/0 description: The image shows the logo for SAGE PRODUCTS INC. The logo is in black and features a bold, sans-serif font. The word "SAGE" is on the top line, and the words "PRODUCTS INC" are on the bottom line. A horizontal line separates the two lines of text.

Pre-Market Notification: STPTM System - PVA with Zinc

mmary (Continued)

Performance Test Summary

l

Test Name:Performance Evaluation
Purpose:To evaluate the functional performance of Sage's Stool
Transport Processing System - Polyvinyl Alcohol with Zinc,
using a standardized testing procedure.
Summary of Method:Specimens were evaluated at independent clinical laboratories.
The quality control test method described in the instruction sheet
for the product was used for assessing functional performance.
This method is based on the procedure reported by Garcia and
Bruckner1 where white blood cells are used in lieu of parasites.
White blood cells (buffy coat from uncoagulated human blood
with high WBC count) are added to product tubes containing
human stool specimens. Written instructions were then followed
for the preparation and microscopic evaluation of permanent
slides and wet mounts. Product function was evaluated as either
satisfactory or unsatisfactory. For a satisfactory functional
evaluation the smear must adhere well to the glass slides after
permanent staining to allow for a thorough microscopic
examination, and the added cells from the human buffy coat must
be well-fixed and display typical morphology and color when the
permanent stains and wet mounts are examined under a
microscope.
Conclusion:The STPTTM System - PVA with Zinc, when used according to
current instructions, results in a successful microscopic
examination of human stool specimens for parasites.

Garcia, L.S. and Bruckner, D.A., Diagnostic Medical Parasitology, 2nd Edition, Washington, D.C., American Society for Microbiology, 1993

"Innovative health care products since 1971"

815 TEK DRIVE ■ P.O. BOX 9693 ■ CRYSTAL LAKE, IL 60014-9693 815-455-4700 ■ 800-323-2220 ■ Fax: 815-455-5599

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