K Number
K170731
Device Name
System, X-Ray, Extra oral Source, Digital, PaX-i Plus, PaX-i Insight
Manufacturer
Date Cleared
2017-04-04

(25 days)

Product Code
Regulation Number
872.1800
AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP Authorized
Intended Use
PCH-30CS is intended to produce panoramic or cephalometric digital x-ray images. It provides diagnostic details of the dento-maxillofacial, sinus and TMJ for adult and pediatric patients. The system also utilizes carpal images for orthodontic treatment. The device is to be operated by physicians, dentists, and x-ray technicians.
Device Description
PaX-i Plus / PaX-i Insight (Model: PCH-30CS) is an advanced 3-in-1 digital X-ray imaging system that incorporates PANO, CEPH (Optional) and 3D PHOTO (Optional) imaging capabilities into a single system and acquires 2D diagnostic image data in conventional panoramic and cephalometric modes. The PaX-i Plus / PaX-i Insight dental systems are not intended for CBCT imaging.
More Information

No
The document describes a digital X-ray imaging system and its performance characteristics, focusing on hardware components and image quality metrics. There is no mention of AI, ML, or related concepts like deep learning, training sets, or specific algorithms that would indicate the use of AI/ML technology.

No
This device is an X-ray imaging system intended for diagnostic purposes (producing images), not for treating conditions or diseases.

Yes
The "Intended Use / Indications for Use" section explicitly states that the device "provides diagnostic details."

No

The device description explicitly states it is a "digital X-ray imaging system" and mentions hardware components like "detectors" and "CMOS panel," indicating it is a hardware device with integrated software, not a software-only device.

Based on the provided information, this device is not an IVD (In Vitro Diagnostic).

Here's why:

  • IVD Definition: In Vitro Diagnostic devices are used to examine specimens taken from the human body, such as blood, urine, or tissue, to provide information about a person's health.
  • Device Function: The description clearly states that this device is an X-ray imaging system that produces digital images of the dento-maxillofacial, sinus, and TMJ. It uses X-rays to create images of internal structures.
  • Lack of Specimen Analysis: There is no mention of the device analyzing any biological specimens. Its function is purely image acquisition using radiation.

Therefore, this device falls under the category of a medical imaging device, not an In Vitro Diagnostic device.

N/A

Intended Use / Indications for Use

PCH-30CS is intended to produce panoramic or cephalometric digital x-ray images. It provides diagnostic details of the dento-maxillofacial, sinus and TMJ for adult and pediatric patients. The system also utilizes carpal images for orthodontic treatment. The device is to be operated by physicians, dentists, and x-ray technicians.

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

MUH

Device Description

PaX-i Plus / PaX-i Insight (Model: PCH-30CS) is an advanced 3-in-1 digital X-ray imaging system that incorporates PANO, CEPH (Optional) and 3D PHOTO (Optional) imaging capabilities into a single system and acquires 2D diagnostic image data in conventional panoramic and cephalometric modes. The PaX-i Plus / PaX-i Insight dental systems are not intended for CBCT imaging.

Key components of the device:

  1. PaX-i Plus / PaX-i Insight (Model: PCH-30CS) digital x-ray equipment
  2. SSXI detector: Xmaru1501CF-PLUS, Xmaru1404CF-PLUS, Xmaru2602CF
  3. X-ray generator
  4. PC system
  5. Imaging software (Image Viewing Program: EasyDent (Cleared under K122155), EzDent-i (K163533))

Mentions image processing

Not Found

Mentions AI, DNN, or ML

Not Found

Input Imaging Modality

X-ray

Anatomical Site

dento-maxillofacial, sinus, TMJ, oral and maxillofacial anatomy

Indicated Patient Age Range

adult and pediatric patients

Intended User / Care Setting

physicians, dentists, and x-ray technicians.

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

Non-Clinical Test results of all detectors for the Subject device.
Clinical images were provided; these images were not necessary to establish substantial equivalence based on the modifications to the device (note subject device detectors strongly based on predicate detectors) but they provide further evidence in addition to the laboratory performance data to show that the complete system works as intended.

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

Study Type: Non-clinical performance report, Bench testing, Acceptance test, image evaluation report, Clinical consideration and image quality evaluation report.
Key Results:

  • The fundamental technological characteristics of the subject and predicate device are similar.
  • The imaging modes are similar; PANO and CEPH (Optional).
  • The same x-ray source.
  • All viewing software programs have been cleared with previous 510k submissions; EasyDent (K122155).
  • The subject device is equipped with new detectors, Xmaru1501CF-PLUS, Xmaru1404CF-PLUS and Xmaru2602CF.
  • In addition to modality, the subject device includes imaging modes; 3D PHOTO and Insight PAN(multi layer pano) mode for Panoramic.
  • The subject device includes image viewing program; EzDent-i (K163533).
  • Electric Power Voltage: Subject device; AC 100-240 V, Predicate device; AC 100-120 V / 200 -240 V.
  • Xmaru1404CF-PLUS and Xmaru2602CF have been cleared with previous 510k submissions; on reference device, PHT-35LHS(K162660).
  • The additional 3D PHOTO modality is also a function in reference device, PHT-35LHS(K162660).
  • Insight PAN modality, only available in EzDent-i (K163533) image viewing program, provides multilayer panorama images with depth information, which a conventional single panorama image could not. Panorama images in Insight PAN mode demonstrate useful diagnostic information of a tooth, from anterior to posterior.
  • The CMOS panel of new detectors is exactly same to that of the predicate device.
  • The testing image patterns of the subject device show no aliasing phenomenon throughout the same spatial frequency as the predicate device.
  • The new detector Xmaru1501CF-PLUS is based on the predicate Xmaru1501CF and bench testing data in the non-clinical consideration shows similar or better performance.
  • For the new detector Xmaru1501CF-PLUS and Xmaru2602CF of the Non-Clinical test results demonstrated better performance parameters compared to Xmaru2301CF, respectively, of the predicate device in terms of MTF, DQE and NPS. Furthermore, it results a superior signal-to-noise ratio than the predicate device in all spatial frequencies.
  • The new CMOS panel in Xmaru1501CF-PLUS and Xmaru2602CF generates better image quality. All performance parameters for Xmaru2602CF detector have better results than Xmaru1501CF and Xmaru2301CF detector, respectively.
  • The CMOS panel of Xmaru1404CF-PLUS is higher performance than that of the predicate device(Xmaru1501CF).
  • Pixel resolutions and pixel sizes in 2x2 binning mode for Xmaru1501CF are similar. However, at all spatial frequency(0°5 lp/mm), the Xmaru1404CF-PLUS has much better signal-to-noise ratio performance than the predicative device.
  • The Xmaru1404CF-PLUS has higher DQE performance at all spatial frequencies. At low spatial frequency(r0.5 lp/mm), Xmaru1404CF-PLUS has a DQE of 2x2 binning: 57% / 4x4 binning: 56% and that of Xmaru1501CF is 59.7%. This result will be in a superior signal-to-noise ratio than Xmaru1501CF.
  • The image quality of Xmaru1404CF-PLUS is higher than Xmaru1501CF at same patient exposure.
  • The acceptance test was performed according to the requirements of 21 CFR Part 1020.30. and IEC 61223-3-4, international performance standard for dental x-ray equipment.
  • In addition, the dosimetric performance of the subject device and the predicate device was compared in terms of DAP. With the identical FDD(Focal Spot to Detector Distance), DAP measurement in the PANO mode of each device under the similar X-ray exposure conditions (exposure time, tube current) was the similar.
  • In CEPH mode, the subject device has two image options, normal and fast, based on the exposure condition (exposure time, tube voltage, tube current) whereas the predicate device has no such option. The direct comparison of the dosimetric performance for each mode available in the subject and predicate device is difficult due to different exposure conditions such as the exposure time. DAP of the fast CEPH mode of the subject device was equivalent to the predicate device.
  • The results demonstrated that the general image quality of the subject device is equivalent or better than the predicate device.
  • Software verification and validation were conducted and documented as recommended by FDA's Guidance for Industry and FDA Staff, "Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices."
  • The software for this device was considered as a "moderate" level of concern.
  • A cybersecurity risk analysis was performed on the device software.
  • Satisfactory device testing result also indicates that the software part supports proper functioning of the subject device.
  • PaX-i Plus / PaX-i Insight (Model: PCH-30CS) conforms to the provisions of NEMA PS 3.1-3.18, Digital Imaging and Communications in Medicine (DICOM) Set.

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

  • MTF (Modulation Transfer Function)
  • DQE (Detective Quantum Efficiency)
  • NPS (Noise Power Spectrum)
  • Signal-to-noise ratio
  • DAP (Dose Area Product)

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.

K122155

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.

K162660

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

§ 872.1800 Extraoral source x-ray system.

(a)
Identification. An extraoral source x-ray system is an AC-powered device that produces x-rays and is intended for dental radiographic examination and diagnosis of diseases of the teeth, jaw, and oral structures. The x-ray source (a tube) is located outside the mouth. This generic type of device may include patient and equipment supports and component parts.(b)
Classification. Class II.

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Image /page/0/Picture/1 description: The image shows the logo for the Department of Health & Human Services - USA. The logo consists of a circular seal with the text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" arranged around the perimeter. Inside the circle is a stylized symbol that resembles three human profiles facing to the right, with flowing lines extending from the bottom of the profiles.

Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002

April 4, 2017

Vatech Co., Ltd. % Mr. Dave Kim Medical Device Regulatory Affairs Mtech Group 8310 Buffalo Speedway HOUSTON TX 77025

Re: K170731

Trade/Device Name: PaX-i Plus/PaX-i Insight (Model: PCH-30CS) Regulation Number: 21 CFR 872.1800 Regulation Name: Extraoral source x-ray system Regulatory Class: II Product Code: MUH Dated: March 8, 2017 Received: March 10, 2017

Dear Mr. Kim:

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. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.

If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. 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 Part 801); medical device reporting (reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.

1

If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Industry and Consumer Education at its toll-free number (800) 638 2041 or (301) 796-7100 or at its Internet address

http://www.fda.gov/MedicalDevices/Resourcesfor You/Industry/default.htm. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to

http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.

You may obtain other general information on your responsibilities under the Act from the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address

http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.

Sincerely yours.

Michael D'Hara

For

Robert Ochs, Ph.D. Director Division of Radiological Health Office of In Vitro Diagnostics and Radiological Health Center for Devices and Radiological Health

Enclosure

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Indications for Use

510(k) Number (if known) K170731

Device Name PaX-i Plus/PaX-i Insight (Model: PCH-30CS)

Indications for Use (Describe)

PCH-30CS is intended to produce panoramic or cephalometric digital x-ray images. It provides diagnostic details of the dento-maxillofacial, sinus and TMJ for adult and pediatric patients. The system also utilizes carpal images for orthodontic treatment. The device is to be operated by physicians, dentists, and x-ray technicians.

Type of Use (Select one or both, as applicable)
X Prescription Use (Part 21 CFR 801 Subpart D)Over-The-Counter Use (21 CFR 801 Subpart C)

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510(k) Summary

1. 510(k) Summary

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

2. Date 510K Summary prepared: March 28, 2017

3. Administrative Information

| Official Correspondent: | Dave Kim / Mtech Group
8310 Buffalo Speedway, Houston, TX 77025
Tel: +713-467-2607
Fax: +713-583-8988
Contact person: Mr. Dave Kim (davekim@mtech-inc.net) |
|-------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 510(k) Submitter: | VATECH Co., Ltd.
Address: 13, Samsung 1-ro 2-gil, Hwaseong-si, Gyeonggi-do, 18449, Korea
Tel: +82-31-379-9492
Fax: +82-31-379-9400
Contact person: Dongyub Lee / Manager (dongyub.lee@vatech.co.kr) |

4. Device Information

Type of 510(k) Submission:Traditional
Trade or Proprietary Name:PaX-i Plus/PaX-i Insight (Model: PCH-30CS)
Common or Usual Name:Digital X-ray Imaging System
Regulation Classification:Extraoral Source X-ray System (21 CFR 872.1800)
Product Code:MUH
Class of Device:Class II
Panel:Radiology

5. Predicate Device Information

Manufacturer:VATECH Co., Ltd.
Predicate device:PaX-i (PCH-2500) / K122155
Common or Usual Name:Digital X-ray Imaging System
Regulation Classification:Extraoral Source X-ray System (21 CFR 872.1800)
Product Code:MUH
Class of Device:Class II
Panel:Radiology

6. Reference Device Information

Manufacturer:VATECH Co., Ltd.
Predicate device:Green Smart (Model: PHT-35LHS) / K162660
Common or Usual Name:Digital X-ray Imaging System

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Regulation Classification:X-Ray, Tomography, Computed, Dental (21 CFR 892.1750)
Product Code:OAS
Class of Device:Class II
Panel:Radiology

※ This predicate device has not been subjected to a design-related recall.

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6. Device Description

PaX-i Plus / PaX-i Insight (Model: PCH-30CS) is an advanced 3-in-1 digital X-ray imaging system that incorporates PANO, CEPH (Optional) and 3D PHOTO (Optional) imaging capabilities into a single system and acquires 2D diagnostic image data in conventional panoramic and cephalometric modes. The PaX-i Plus / PaX-i Insight dental systems are not intended for CBCT imaging

Key components of the device

    1. PaX-i Plus / PaX-i Insight (Model: PCH-30CS) digital x-ray equipment
    1. SSXI detector: Xmaru1501CF-PLUS, Xmaru1404CF-PLUS, Xmaru2602CF
Description
ItemPANOCEPH
PaX-i PlusPaX-i InsightPaX-i Plus / PaX-i Insight
ModelXmaru1501CF-PLUSXmaru1404CF-PLUSXmaru2602CF
Detector TypeCMOS photodiode arrayCMOS photodiode arrayCMOS photodiode array
Pixel Size$100 \mu m$99 μm -2X2 binning
(detector spec)
198 μm - 4X4 binning
(system spec)100 μm- Non binning
(detector spec)
200 μm -2X2 binning
(system spec)
Active Area151.2 x 6.0 mm135.8 x 36.4 mm259 x 15.6 mm
Frame Rate~287 fps (4x4 Binning)~308 fps (4x4 Binning)~330 fps (2x2 Binning)
Analogue-
Digital
Conversion14 bits14 bits14 bits
ConverterCsI:TiCsI:TiCsI:Ti
Energy Range50 ~ 120 kV50 ~ 120 kV50 ~ 120 kV
Readout TypeCharge amplifier arrayCharge amplifier arrayCharge amplifier array
Video OutputOpticOpticOptic

3) X-ray generator

ItemDescription
High Voltage
GeneratorModelDG-07D21T2
Rated output power1.0 kW
TypeInverter
Normal/Pulse kV60 ~ 99 kV
Normal/Pulse mA4 ~ 10 mA
CoolingAir (Optional fan cooling, ≥ 60 °C)
Total filtrationMin. 2.5 mm Al
Added filtration1.5 mm Al (Fixed)
X-ray TubeManufacturerToshiba
X-ray TubeModelD-052SB (Stationary Anode type)
X-ray TubeFocal spot size0.5 x 0.5 mm
X-ray TubeTarget Angle5 degree
X-ray TubeInherent FiltrationAt least 0.8 mm Al equivalent at 50 kV
X-ray TubeAnode Heat Content35 kJ
X-ray TubeDuty Cycle1:60 or more (Exposure time : Interval time)
  1. PC system

| Description

For Start Court of Concessful Concessful
---------------------------------------------------------

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ItemDescription
PaX-i PlusOperating SystemWindow 10 Home 64-bit OS
CPUIntel Core i3-6100 3.7G 3M 2133 2C CPU
RAM4GB DDR4-2133 DIMM(1x4GB) RAM
HDD500GB 7200 RPM SATA 6G 3.5 HDD
Graphics boardIntegrated Graphic Card
Ethernet interfaceIntel Ethernet I210-T1 PCIe x1 Gb NIC
Serial Port (RS232)Integrated Motherboard
Power Supply≥ 280 Watts (90% efficient)
Slots1 full-height PCIe x16 (x4)
1 full-height PCIe x16
2 full-height PCIe x1
1 PCI (optional)
PaX-i InsightOperating SystemWindows 10 Professional 64-Bit OS
CPUIntel Xeon E5-1607v3 3.1GHz 1866 4C
RAM16GB DDR4-2133 Registered RAM
HDD1TB SATA 1st HDD
Graphics boardNVIDIA Geforce GTX970 D5 4GB
Ethernet interfaceIntegrated Intel I218LM PCIeGbE
Serial Port (RS232)HP Serial Port Adapter kit
Power Supply≥ 700 Watts (90% efficient)
Slots2 PCI Express Gen3 x16 slot
1 PCI Express Gen3 x8 Slot
1 PCI Express Gen2 x4 Slot
1 PCI Express Gen2 x1 Slot
1 PCI Slot

5) Imaging software

ItemDescription
Image Viewing ProgramEasyDent (Cleared under K122155)
EzDent-i (K163533)

7. Indication for use

PCH-30CS is intended to produce panoramic or cephalometric digital x-ray images. It provides diagnostic details of the dento-maxillofacial, sinus and TMJ for adult and pediatric patients. The system also utilizes carpal images for orthodontic treatment. The device is to be operated by physicians, dentists, and x-ray technicians.

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Subject DevicePredicate DeviceReference Device
PaX-i Plus / PaX-i InsightPaX-iGreen Smart
Device Name(Model: PCH-30CS)(Model: PCH-2500)(Model: PHT-35LHS)
Applicant NameVATECH Co., Ltd.VATECH Co., Ltd.VATECH Co., Ltd.
510(k) NumberN/AK122155K162660
Device Classification NameSystem, X-Ray, Extra oral Source, DigitalSystem, X-Ray, Extra oral Source, DigitalX-Ray, Tomography, Computed, Dental
Classification Product CodeMUHMUHOAS
Regulation Number21 CFR 872.180021 CFR 872.180021 CFR 892.1750
Indications for UsePCH-30CS is intended to produce
panoramic or cephalometric digital x-
ray images. It provides diagnostic
details of the dento-maxillofacial,
sinus and TMJ for adult and pediatric
patients. The system also utilizes
carpal images for orthodontic
treatment. The device is to be
operated by physicians, dentists, and
x-ray technicians.PCH-2500 is a digital extra oral source
x-ray system intended to take
panoramic and cephalometric images
of the oral and maxillofacial anatomy
to provide diagnostic information for
adult and pediatric patients. The
device should be operated and used
by dentists, x-ray technicians and
other professionals licensed by the
law of the state in which the device is
used.PHT-35LHS is a computed tomography
x-ray system intended to produce
panoramic, cephalometric or cross-
sectional images of the oral anatomy
by computer reconstruction of x-ray
image data from the same axial plane
taken at different angles. It provides
diagnostic details of the maxillofacial
areas for dental treatments in adult
and pediatric dentistry. The system
also utilizes carpal images for
orthodontic treatment. The device is
operated and used by physicians,
dentists and x-ray technicians.
Performance SpecificationPanoramic, CephalometricPanoramic, CephalometricPanoramic, Cephalometric and computed
tomography
Input VoltageAC 100 - 240 VAC 100 - 120 / 200-240 VAC 100 - 240 V
X-Ray sourceD-052SBD-052SBD-052SB
Tube Voltage60 - 99 kv60 - 90 kv60 - 99 kV
Tube Current4 - 10 mA4 - 10 mA4 - 16 mA
Focal Spot Size0.5 x 0.5 mm0.5 x 0.5 mm0.5 x 0.5 mm
Scan TimeMax. 21 sMax. 20.2 sMax. 18 s
Slice WidthMin. 0.1 mmMin. 0.1 mmMin. 0.1 mm
Total FiltrationMin. 2.5 mm Al2.8 mm AlMin. 2.5 mm Al
MechanicalCompact designCompact designCompact design
ElectricalLDCP logic circuitLDCP logic circuitLDCP logic circuit
SoftwareDICOM 3.0 Format compatibleDICOM 3.0 Format compatibleDICOM 3.0 Format compatible
Image Viewing ProgramEasyDent (Cleared under K122155)EasyDent (Cleared under K122155)EasyDent (Cleared under K162660)

8. Comparison of Technological characteristics with the predicate device

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Subject DevicePredicate DeviceReference Device
EzDent-i (K163533)EzDent-i (K161117)
Ez3D Plus (Cleared under K162660)
Ez3D-i (K161246)
Anatomical SitesMaxillofacialMaxillofacialMaxillofacial
Image
ReceptorPANOXmaru1501CF-PLUSXmaru1501CF(PANO/CBCT) Xmaru1404CF-PLUS
Xmaru1404CF-PLUS
CEPHXmaru2602CFXmaru2301CFXmaru2602CF
Pixel
ResolutionPANOXmaru1501CF-
PLUS5 lp/mm5 lp/mm
Xmaru1404CF-
PLUS5 lp/mm -2x2 binning
(detector spec)
2.5 lp/mm -4x4 binning
(system spec)5 lp/mm -2x2 binning (detector spec)
2.5 lp/mm -4x4 binning (system spec)
CEPH5 lp/mm-Non binning (detector spec)
2.5 lp/mm -2x2 binning (system spec)5 lp/mm5 lp/mm-Non binning (detector spec)
2.5 lp/mm -2x2 binning (system spec)
Pixel SizePANOXmaru1501CF-
PLUS100 μm100 μm99 µm -2X2 binning (detector spec)
198 µm - 4X4 binning (system spec)
Xmaru1404CF-
PLUS99 µm -2X2 binning
(detector spec)
198 μm - 4X4 binning
(system spec)
CEPH100 um- Non binning (detector spec)
200 um -2X2 binning (system spec)100 μm100 um- Non binning (detector spec)
200 um -2X2 binning (system spec)

※ The PaX-i Plus / PaX-i Insight dental systems are not intended for CBCT imaging.

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9. Performance Data

Summary of Performance Testing

The PaX-i Plus/PaX-i Insight(Model: PCH-30CS) digital X-ray system described in this 510(k) is similar to the predicate device and reference device in terms of indications for use, materials, safety characteristics, and X-ray source.

The following information further substantial equivalence between the subject device and predicate device:

  • a. The fundamental technological characteristics of the subject and predicate device are similar.
  • b. The imaging modes are similar; PANO and CEPH (Optional).
  • c. The same x-ray source
  • d. All viewing software programs have been cleared with previous 510k submissions; EasyDent (K122155)

The sponsor tested the subject device in a laboratory and provided a non-clinical performance report. The same test protocol was used to test the performance of the subject and the predicate device for comparison. The sponsor certifies that adequate design and development controls (according to 21 CFR 820.30) were in place for manufacturing the subject device.

The differences between the subject device and the predicate device:

  • a. The subject device is equipped with new detectors, Xmaru1501CF-PLUS, Xmaru1404CF-PLUS and Xmaru2602CF.
  • b. In addition to modality, the subject device includes imaging modes; 3D PHOTO and Insight PAN(multi layer pano) mode for Panoramic
  • c. The subject device includes image viewing program; EzDent-i (K163533)
  • d. Electric Power Voltage
    • Subject device; AC 100-240 V
    • Predicate device; AC 100-120 V / 200 -240 V

Xmaru1404CF-PLUS and Xmaru2602CF have been cleared with previous 510k submissions; on reference device, PHT-35LHS(K162660).

The additional 3D PHOTO modality is also a function in reference device, PHT-35LHS(K162660). In addition, Insight PAN modality, only available in EzDent-i (K163533) image viewing program, provides multilayer panorama images with depth information, which a conventional single panorama image could not. Panorama images in Insight PAN mode demonstrate useful diagnostic information of a tooth, from anterior to posterior.

Based on Non-Clinical Test results of all detectors for the Subject device, the CMOS panel of new detectors is exactly same to that of the predicate device. Therefore, the testing image patterns of the subject device show no aliasing phenomenon throughout the same spatial frequency as the predicate device.

The new detector Xmaru1501CF-PLUS is based on the predicate Xmaru1501CF and bench testing data in the non-clinical consideration shows similar or better performance.

For the new detector Xmaru1501CF-PLUS and Xmaru2602CF of the Non-Clinical test results demonstrated better performance parameters compared to Xmaru2301CF, respectively, of the predicate device in terms of MTF, DQE and NPS. Furthermore, it results a superior signal-to-noise ratio than the predicate device in all spatial frequencies. The new CMOS panel in Xmaru1501CF-PLUS and Xmaru2602CF

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generates better image quality. All performance parameters for Xmaru2602CF detector have better results than Xmaru1501CF and Xmaru2301CF detector, respectively.

Based on Non-Clinical Test results of Xmaru1404CF-PLUS for the subject device, the CMOS panel of Xmaru1404CF-PLUS is higher performance than that of the predicate device(Xmaru1501CF). Pixel resolutions and pixel sizes in 2x2 binning mode for Xmaru1501CF are similar. However, at all spatial frequency(0°5 lp/mm), the Xmaru1404CF-PLUS has much better signal-to-noise ratio performance than the predicative device.

The Xmaru1404CF-PLUS has higher DQE performance at all spatial frequencies. At low spatial frequency(r0.5 lp/mm), Xmaru1404CF-PLUS has a DQE of 2x2 binning: 57% / 4x4 binning: 56% and that of Xmaru1501CF is 59.7%. This result will be in a superior signal-to-noise ratio than Xmaru1501CF. Therefore, the image quality of Xmaru1404CF-PLUS is higher than Xmaru1501CF at same patient exposure.

The acceptance test was performed according to the requirements of 21 CFR Part 1020.30. and IEC 61223-3-4, international performance standard for dental x-ray equipment.

In addition, the dosimetric performance of the subject device and the predicate device was compared in terms of DAP. With the identical FDD(Focal Spot to Detector Distance), DAP measurement in the PANO mode of each device under the similar X-ray exposure conditions (exposure time, tube current) was the similar. In CEPH mode, the subject device has two image options, normal and fast, based on the exposure condition (exposure time, tube voltage, tube current) whereas the predicate device has no such option. The direct comparison of the dosimetric performance for each mode available in the subject and predicate device is difficult due to different exposure conditions such as the exposure time. DAP of the fast CEPH mode of the subject device was equivalent to the predicate device. Any user adjustment of the exposure setting in normal and fast mode of the subject device should consider the patient exposure level to be as low as possible.

Moreover, PANO / CEPH images from the subject and predicate devices are evaluated in the Clinical consideration and image quality evaluation report. The results demonstrated that the general image quality of the subject device is equivalent or better than the predicate device.

Clinical images were provided; these images were not necessary to establish substantial equivalence based on the modifications to the device (note subject device detectors strongly based on predicate detectors) but they provide further evidence in addition to the laboratory performance data to show that the complete system works as intended.

Software Verification and Validation Testing

Software verification and validation were conducted and documented as recommended by FDA's Guidance for Industry and FDA Staff, "Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices." The software for this device was considered as a "moderate" level of concern, since a failure or latent flaw in the software would not directly result in serious injury or death to the patient or operator. A cybersecurity risk analysis was performed on the device software.

Satisfactory device testing result also indicates that the software part supports proper functioning of the subject device.

PaX-i Plus / PaX-i Insight (Model: PCH-30CS) provides the following image viewing programs;

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Safety, EMC and Performance Data

Electrical, mechanical, environmental safety and performance testing according to standard IEC 60601-1(Ed. 3, 2005), IEC 60601-1-3 (Ed. 2, 2008), IEC 60601-2-63 (Ed. 1, 2012) were performed, and EMC testing were conducted in accordance with standard IEC 60601-1-2.

The manufacturing facility is in conformance with the relevant EPRC standards as specified in 21 CFR 1020.30, 31 and the records are available for review.

PaX-i Plus / PaX-i Insight (Model: PCH-30CS) conforms to the provisions of NEMA PS 3.1-3.18, Digital Imaging and Communications in Medicine (DICOM) Set.

Non-clinical consideration report according to FDA Guidance "Guidance for the submissions of 510(k)'s for Solid State X-ray Imaging Devices" was provided.

Bench testing according to FDA Guidance "Format for Traditional and Abbreviated 510(k)s, section 18, Performance Testing - Bench" were performed.

Acceptance test and image evaluation report according to IEC 61223-3-4 were also performed.

All test results were satisfactory.

10. Conclusions

The proposed device and the predicate device have similar indications for use and demonstrated similar technical characteristics. As demonstrated in the performance test, the Xmaru1501CF-PLUS and Xmaru2602CF performed similar or better in comparison with the predicate device in various performance parameters such as DQE, MTF and NNPS. Quality assurance procedures are adhered to, and the specifications and functional requirements were met as the test results indicated.

In accordance with the Federal Food, Drug and Cosmetic Act, 21 CFR Part 807 and based on the information provided in this premarket notification, VATECH Co., Ltd. concludes that PaX-i Insight (Model: PCH-30CS) is substantially equivalent to the predicate device as described herein.