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CaseMONO™ Culture is intended for use for culture of embryos from fertilization to the blastocyst stage. This device can be used for transfer of embryos to the uterus. CaseBioscience® HTF is intended for use for the culture of embryos to the cleavage stage (Day 3). This device can be used for transfer of embryos to the uterus. CaseMONO w/HEPES™ is intended for use in short-term handling and manipulating gametes and embryos, including washing and intracytoplasmic sperm injection (ICSI). This medium is not intended for transfering to the uterine cavity. CaseBioscience® HTF w/HEPES is intended for use in short-term handling gametes embryos, including washing and intracytoplasmic sperm injection (ICSI). This medium is not intended for transferring embryos to the uterine cavitv.

CaseMONO Culture, CaseMONO w/HEPES, CaseBioscience HTF, and CaseBioscience HTF w/HEPES are intended for use during in vitro procedures for gamete/embryo culture and one step media. CaseMONO Culture is intended for use for culture of embryos from fertilization to the blastocyst stage. This device is a one-step media and can be used for transfer of embryos to the uterus. CaseMONO w/HEPES is intended for use in short-term handling and manipulating gametes and embryos, including washing and intracytoplasmic sperm injection (ICSI). CaseBioscience HTF is intended for use for the culture of embryos to the cleavage stage (Day 3). This device is not a one-step medium but can be used for transfer of embryos to the uterus. CaseBioscience HTF w/HEPES is intended for use in short-term handling and manipulating gametes and embryos, including washing and intracytoplasmic sperm injection (ICSI). CaseMONO Culture and CaseMONO w/HEPES have almost identical composition with differences in amount of NaHCO3 and Phenol red and presence of HEPES in CaseMONO w/HEPES. Similarly, CaseBioscience HTF and CaseBioscience HTF w/HEPES have an almost identical composition with the exception of HEPES present in CaseBioscience HTF w/HEPES and minor difference in composition for NaCl, Sodium L-lactate and Phenol red. CaseMONO Culture and CaseMONO w/HEPES contain EDTA. All media formulations contain antibiotic gentamicin. The four solutions are aseptically filtered (storage vials sterilized by radiation) and provided in PETG square media bottles with HDPE screw-style caps. They have a shelf-life of 90 days when stored at 2-8°C. Media in the vials can be used for up to seven days after vial opening.

The Revogene® instrument is intended for in vitro diagnostic (IVD) use in performing nucleic acid testing of specific IVD assays in clinical laboratories. Revogene is capable of automated lysis and dilution of samples originating from various clinical specimen types. Revogene performs automated amplification and detection of target nucleic acid sequences by fluorescence-based real-time PCR.

The Revogene is a PCR instrument that automates lysis and dilution of samples, followed by nucleic acid amplification, and detection of target sequences by fluorescence-based real-time PCR. Revogene runs are orchestrated by a combination of software, firmware and instrument control protocol that ensures the adequate combination times and temperatures for sample homogenization and PCR analysis. The Revogene instrument acquires fluorescence signals generated during amplification. The signals are then interpreted by the system using embedded calculation algorithms. The Revogene requires the use of a 'PIE', i.e., an assay-specific cartridge to which a patient sample is added. The PIE contains the reagents needed to process a sample and to perform a PCR amplification. When the number of assay PIEs to be run is lower than eight, the user fills empty spaces with "MOCK PIE", which are cartridges that simulate the presence of an assay PIE to confer thermal and rotational balance. The Revogene instrument subject of this Premarket Notification is substantially equivalent to the Revogene instrument cleared under K222779. Meridian is submitting this 510(k) Premarket Notification to implement a photomultiplier tube (PMT) cooling system. This cooling system keeps the PMT environment at a temperature that prevents the appearance of fluorescence glitches, which may stop the Revogene instrument

The Premier HpSA Flex enzyme immunoasay (EIA) is an in vitro qualitative procedure for the detection of Helicobacter pylori antigens in human stool. The test is intended for use with unpreserved stool specimens or preserved stool specimens in transport media. Test results are intended to aid in the diagnosis of H. pylori infection and to monitor response during and post- therapy in patients. Accepted medical practice recommends that testing by any current method, to confirm eradication, be done at least four weeks following completion of therapy.

Meridian Bioscience has modified its FDA-cleared PREMIER Platinum HpSA® PLUS assay (K182559), a qualitative, in vitro diagnostic test for the detection of Helicobacter pylori antigens present in unpreserved human stool specimens. This modification, to be marketed under new device trade name Premier HpSA® Flex upon FDA clearance, is the addition of a new specimen type claim to the intended use of the previously cleared device (K182559) whereby specimens may be preserved in Cary-Blair or Culture and Sensitivity (C&S) transport media. The Premier HpSA Flex test is a microwell-based enzyme immunoassay that detects H. pylori antigens present in human stool specimens, either unpreserved in transport media. The test uilizes a plurality (mixture) of monoclonal anti-H. pylori capture antibodies adsorbed to microwells. Diluted patient samples and an enzyme conjugate reagent are added to the microwells and incubated for one hour at room temperature. A wash is performed to remove unbound material. Substrate is added and incubated for 10 minutes at room temperature. Color develops in the presence of bound enzyme. Stop solution is added and the results are interpreted visually or spectrophotometrically.

Curian Campy, for use with the Curian Analyzer, is a rapid, qualitative fluorescent immunoassay for the detection of a Campylobacter-specific antigen in human fecal specimens. Curian Campy is intended to detect C. jejuni, C. coli, C. upsaliensis, and C. lari in human stool from patients with signs and symptoms of gastroenteritis. The test is intended for use with unpreserved fecal specimens or preserved fecal specimens in transport media. Test results are to be used in conjunction with information available from the patient clinical evaluation and other diagnostic procedures. Curian Campy is intended to aid in the diagnosis of Campylobacter infection.

The Curian® Campy assay is a qualitative in vitro diagnostic test for the detection of Campylobacter-specific antigens in human stool samples collected from individuals with signs and symptoms of gastroenteritis. Curian Campy is intended to detect C. jejuni, C. coli, C. upsaliensis, and C. lari in unpreserved or preserved stool in Cary-Blair or C&S transport media. The Curian® Campy assay utilizes fluorescence technology with the cleared Curian® Analyzer (K192817) to detect Campylobacter-specific antigens in human stool.

The Tosoh ST AIA-PACK BNP assay is designed for IN VITRO DIAGNOSTIC USE ONLY for the quantitative measurement of BNP in human (K2EDTA) plasma on Tosoh AIA System Analyzers. BNP is used as an aid in the diagnosis of heart failure (HF) in patients presenting to the emergency department (ED) with clinical suspicion of new onset HF, acutely decompensated or exacerbated HF.

The ST AIA-PACK BNP is a two-site immunoenzymometric assay which is performed entirely in the ST AIA-PACK BNP test cups. BNP present in the test sample is bound with monoclonal antibody immobilized on magnetic beads and enzyme-labeled monoclonal antibody. The magnetic beads are washed to remove unbound enzyme-labeled monoclonal antibody and are then incubated with a fluorogenic substrate, 4-methylumbelliferyl phosphate (4MUP). The amount of enzyme-labeled monoclonal antibody that binds to the beads is directly proportional to the BNP concentration in the test sample. A standard curve is constructed, and unknown sample concentrations are calculated using the curve.

The Tosoh Automated Glycohemoglobin Analyzer HLC-723G8 is intended for in vitro diagnostic use for the measurement of % hemoglobin A1c (HbA1c) (DCCT/NGSP) and mmol/mol hemoglobin A1c (IFCC) in venous whole blood specimens using ion-exchange high-performance liquid chromatography (HPLC). This test is an aid in diagnosis of diabetes and identifying patients who may be at risk for developing diabetes, and for monitoring of long-term blood glucose control in individuals with diabetes mellitus.

The Tosoh Automated Glycohemoglobin Analyzer HLC-723G8 is an automated High-Performance Liguid Chromatography (HPLC) system that separates and reports stable hemoglobin A1c (sA1c) percentage in venous whole blood. The operational portion of the G8 is composed of a sampling unit, liquid pump, degasser, column, detector, microprocessors, sample loader, smart media card, operation panel, and a printer. The Tosoh Automated Glycohemoglobin Analyzer HLC-723G8 uses ion-exchange HPLC for rapid, accurate, and precise separation of the stable form of HbA1c (sA1c) from other hemoglobin fractions. The G8 uses a non-porous cation exchange column and separates the hemoglobin components in the blood. Separation is achieved by utilizing differences in ionic interactions between the cation and exchange group on the column resin surface and the hemoglobin components in a step gradient elution. The hemoglobin fractions (designated as A1a. A1b. F. LA1c+, SA1c, A0, and, if present, H-V0, H-V2, H-V2 and H-V3) are subsequently removed from the column by performing a step-wise elution gradient using the varied salt concentrations in the Variant Elution Buffers HSi 1, 2 and 3. The peaks, H-V0, H-V1, H-V2 and H-V3 are typically presumptive HbAD, HbAS, HbAC and HbAE respectively. The software compares the retention times of hemoglobin fractions in a sample to the expected "windows of retention" and labels each fraction that correctly elutes within a defined expected window of retention. The software designates a hemoglobin fraction as POX (where X is the order of the peak as it elutes from the column) if it does not match a defined window of retention. All automated processes in the G8 are controlled by internal microprocessors, using software downloaded via a smart media card. The result report is printed and can be stored on the instrument. The data can be transmitted to a host computer through a bi-directional interface. The result report includes the sample ID, date, percentage and retention time of each fraction of hemoglobin, sA1c percentage and total A1 percentage, along with a chromatogram of the elution pattern of the hemoglobin fractions. If a sample contains a hemoglobin variant, the column elutes the fraction depending upon its charge.

VR101 Lubricating Intravaginal Ring is a personal application, intended to moisturize and lubricate, to enhance the ease and comfort of intimate sexual activity, and supplement the body's natural lubrication. This product is compatible with natural rubber latex and synthetic (polyurethane and polyisoprene) male condoms and FC2 female condoms.

The VR101 Lubricating Intravaginal Ring device is a lubricating intravaginal ring designed to moisturize and lubricate, to enhance the ease and comfort of intimate sexual activity, and supplement the body's natural lubrication. VR101 Lubricating Intravaginal Ring is constructed from a hollow biomedical grade hydrophilic polyether urethane (HPU) tube filled with a liquid vaginal lubricating solution comprised of a solution of glycerol (also known as glycerin), water, and sodium chloride. Upon insertion of VR101 Lubricating Intravaginal Ring in the vagina, the lubricating solution in the lumen ring is released through the semi-permeable wall of the tubing into the vagina, moisturizing and lubricating the vaginal mucosa without the use of any hormones or active pharmaceutical ingredients (APIs). Each VR101 Lubricating Intravaginal Ring provides moisturization and lubrication for up to seven (7) days.

Curian HpSA, for use with the Curian Analyzer, is a rapid, qualitative, fluorescent immunoassay for the detection of Helicobacter pylori antigen in human stool. Test results are intended to aid in the diagnosis of H, pylori infection and to demonstrate loss of H. pyloriantigen following treatment. Accepted medical practice recommends that testing by any current method, to confirm eradication, be done at least following completion of therapy. Test results should be taken into consideration by the physician in conjunction with the patient history and symptoms.

The Curian™ HpSA® assay is a qualitative in vitro diagnostic test for the detection of Helicobacter pylori in human stool. The Curian™ HpSA® assay utilizes fluorescence technology with the newly developed Curian™ Analyzer to detect H. pylori antigen. The Curian™ Analyzer has been designed to disposition sample results from lateral flow immunoassays.

The Alethia CMV Assay Test System includes separately provided test kits for the Alethia CMV DNA Amplification Assay and the Alethia CMV External Control Reagents. The Alethia CMV DNA Amplification Assay, performed on the Alethia instrument, is a qualitative, in vitro diagnostic test system for the direct detection of Cytomegalovirus (CMV) DNA in saliva samples from neonates younger than 21 days of age. The test is used as an aid in the diagnosis of congenital CMV infection. The results of this test should be used in conjunction with the results of other clinical findings. Flocked swabs should be used to collect saliva from neonates. The swab can be collected dry, without viral transport media (VTM), or placed in no more than 1 mL VTM. The Alethia CMV External Control Reagents are used as part of a routine quality control program to aid the user in detection of unexpected conditions that may lead to test errors. The external controls are intended for use with the Alethia CMV DNA Amplification Assay; the controls are not intended for use with other assays or systems.

The Alethia CMV Assay Test System, including the Alethia CMV DNA Amplification Assay and the Alethia CMV External Controls, is based on loopmediated amplification (LAMP) technology. The assay targets a region of the Cytomegalovirus genome that is conserved across multiple CMV strains. The Alethia CMV target is a 194 base pair (bp) sequence of the Human herpesvirus 5 genome. LAMP uses specially designed primers to provide for specific and continuous isothermal DNA amplification. A bv-product of amplification is magnesium pyrophosphate, which forms a white precipitate leading to a turbid solution. Reaction solution absorbance characteristics are monitored by the Alethia™ instrument. Changes in reaction solution turbidity created by precipitation of magnesium pyrophosphate indicate the presence of target DNA. The absence of target DNA results in no significant change in sample absorbance.

The PREMIER Platinum HpSA PLUS enzyme immunoassay (EIA) is an in vitro qualitative procedure for the detection of Helicobacter pylori antigens in human stool. Test results are intended to aid in the diagnosis of H. pylori infection and to monitor response during and post-therapy in patients. Accepted medical practice recommends that testing by any current method, to confirm eradication, be done at least four weeks following completion of therapy.

The PREMIER Platinum HpSA® PLUS test is a microwell-based enzyme immunoassay that detects H. pylori antigens present in human stool. The test utilizes a plurality (mixture) of monoclonal antibodies adsorbed to microwells. Diluted patient samples and an enzyme conjugate reagent are added to the microwells and incubated for one hour at room temperature. A wash is performed to remove unbound material. Substrate is added and incubated for 10 minutes at room temperature. Color develops in the presence of bound enzyme. Stop solution is added and the results are interpreted visually or spectrophotometrically. No calculations are required and the visual color change makes the interpretation of results objective and simple. In addition, the HpSA test permits assessment of established or novel anti-H. pylori treatment during and posttherapy to monitor for treatment effectiveness, relapse or eradication. PREMIER Platinum HpSA PLUS (K053335), as the predicate device for this submission, was a modification of PREMIER Platinum HpSA (K983255, K980076) that provided increased signal strengths with positive test results and better discrimination between low positive and negative tests. This submission is for modifications to the antibodies used in the microwells and conjugate reagent.