Rotograph Prime 3D (under Trade mark Villa Sistemi Medicali), I-MAX 3D (under Trade mark Owandy Radiology)
K180601 · Villa Sistemi Medicali S.P.A. · OAS · Nov 2, 2018 · Radiology
Device Facts
Record ID
K180601
Device Name
Rotograph Prime 3D (under Trade mark Villa Sistemi Medicali), I-MAX 3D (under Trade mark Owandy Radiology)
Applicant
Villa Sistemi Medicali S.P.A.
Product Code
OAS · Radiology
Decision Date
Nov 2, 2018
Decision
SESE
Submission Type
Abbreviated
Regulation
21 CFR 892.1750
Device Class
Class 2
Attributes
Pediatric
Indications for Use
Rotograph Prime 3D and I-MAX 3D are extra-oral dental panoramic and CBCT (aka CBVT) X-ray units to take either two dimensional (panoramic, TMJ and sinus exams) or three dimensional radiographic exams of teeth, jaw and oral structures. Two dimensional images are taken using the narrow beam technique. Three dimensional exams are taken using cone shaped x-ray beam technique; both of them are well known techniques. The devices are operated and used by dentists, radiologists and other legally qualified health care professionals. They can be used with both pediatric and adult patients.
Device Story
Extra-oral dental X-ray system for 2D panoramic and 3D CBCT imaging. Inputs: X-ray projections acquired via CMOS flat panel detector with CsI scintillator. Transformation: High-frequency X-ray generator produces narrow beam (2D) or cone beam (3D); images reconstructed via Feldkamp algorithm (with optional Metal Artifact Removal) on PC using CPU/GPU. Outputs: 2D/3D radiographic images displayed on external monitor. Used in dental clinics; operated by dentists/radiologists. Healthcare providers use images for diagnostic assessment of teeth, jaw, and oral structures. Benefits: Enables precise anatomical visualization for dental planning and diagnosis; supports dose containment via adjustable exposure parameters.
Clinical Evidence
Bench testing only. Performance evaluated via image quality metrics (spatial resolution, contrast resolution, MTF, CNR, DAP) per IEC 61223-3-4 and DIN 6868-161 standards. Comparison against primary predicate (I-MAX Touch 3D) demonstrates equivalent or superior performance in resolution and acceptance index.
Technological Characteristics
High-frequency X-ray generator; CMOS flat panel detector with CsI scintillator; 0.5 mm focal spot (IEC 60336); 60-86 kV range. Wall or floor-mounted. Connectivity via Ethernet/TCP/IP to external PC. Software-based reconstruction. Biocompatible patient-contacting materials (ISO 10993).
Indications for Use
Indicated for pediatric and adult patients requiring 2D (panoramic, TMJ, sinus) or 3D (CBCT/CBVT) radiographic exams of teeth, jaw, and oral structures. Operated by dentists, radiologists, or qualified healthcare professionals.
Regulatory Classification
Identification
A computed tomography x-ray system is a diagnostic x-ray system intended to produce cross-sectional images of the body by computer reconstruction of x-ray transmission data from the same axial plane taken at different angles. This generic type of device may include signal analysis and display equipment, patient and equipment supports, component parts, and accessories.
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Villa Sistemi Medicali S.p.A. Paolo Casagrande Santin Quality Assurance Manager via delle Azalee 3 20090 BUCCINASCO (MI) ITALY
November 2, 2018
Re: K180601
Trade/Device Name: Rotograph Prime 3D (under Trade mark Villa Sistemi Medicali), I-MAX 3D (under Trade mark Owandy Radiology) Regulation Number: 21 CFR 892.1750 Regulation Name: Computed Tomography X-Ray System Regulatory Class: Class II Product Code: OAS Dated: October 12, 2018 Received: October 19, 2018
Dear Paolo Casagrande Santin:
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. Although this letter refers to your product as a device, please be aware that some cleared products may instead be combination products. The 510(k) Premarket Notification Database located at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. 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
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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); medical device reporting (reporting of medical device-related adverse events) (21 CFR 803) for devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see https://www.fda.gov/CombinationProducts/GuidanceRegulatoryInformation/ucm597488.html; good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
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 comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/) and CDRH Learn (http://www.fda.gov/Training/CDRHLearn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (http://www.fda.gov/DICE) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
Michael D. O'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) K180601
Device Name Rotograph Prime 3D, I-MAX 3D
Indications for Use (Describe)
Rotograph Prime 3D and I-MAX 3D are extra-oral dental panoramic and CBCT (aka CBVT) X-ray units to take either twc dimensional (panoramic, TMJ and sinus exams) or three dimensional radiographic exams of teeth, jaw and oral structures.
Two dimensional images are taken using the narrow beam technique. Three dimensional exams are taken using cone shaped x-ray beam technique; both of them are well known techniques.
The devices are operated and used by dentists, radiologists and other legally qualified health care professionals.
They can be used with both pediatric and adult patients.
Type of Use (Select one or both, as applicable)
× | Prescription Use (Part 21 CFR 801 Subpart D)
Over-The-Counter Use (21 CFR 801 Subpart C)
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Image /page/3/Picture/0 description: The image features a logo with a stylized white letter 'N' set against a blue square background. Below the blue square, the word 'VILLA' is written in white, bold, sans-serif letters on a white rectangular background. The logo appears clean and modern, with a simple color scheme.
# 510(k) Summary
This summary of safety and effectiveness information is submitted in accordance with the requirements of 21 CFR 807.92.
| Submitter: | Villa Sistemi Medicali S.p.A.<br>via delle Azalee 3<br>20090 Buccinasco (MI)<br>ITALY<br>Phone: +39 02 488591<br>Registration # 8021091 | |
|-----------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------|
| Contact Person: | Paolo Casagrande Santin<br>QA Manager<br>Phone: +39 02 48859 239<br>Fax: +39 02 48859 303<br>Email: p.casagrande@villasm.com | |
| Designated Agent: | Elizabeth Lane<br>Villa Radiology Systems<br>199 Park Road Extension<br>Suite 107<br>Middlebury, CT 06762<br>ph 203 2628836<br>e-mail admin@villaus.com | |
| Date Prepared: | October 12, 2018 | |
| Subject Device | 510(k) number: K180601<br>Trade Name: Rotograph Prime 3D (under trade mark Villa Sistemi Medicali)<br>I-MAX 3D (under Trade mark Owandy Radiology as Private Labeler)<br>Device Type: x-ray, tomography, computed, dental<br>Regulation Number: 21 CFR 892.1750<br>Regulation Name: Computed tomography x-ray system<br>Regulatory Class: Class II<br>Product Code: OAS | |
| Primary Predicate Device | Trade Name: I-MAX Touch 3D<br>Manufacturer: Owandy Radiology<br>510(k) clearance: K130443 (June 14, 2013)<br>Device Type: x-ray, tomography, computed, dental<br>Regulation Number: 21 CFR 892.1750<br>Regulation Name: Computed tomography x-ray system<br>Regulatory Class: Class II<br>Product Code: OAS | |
| Additional Predicate Device | Trade Name: | Rotograph Prime |
| | Manufacturer: | Villa Sistemi Medicali S.p.A. |
| | 510(k) clearance: | K162190 (July 6, 2017) |
| | Device Type: | System, x-ray, extraoral source, digital |
| | Regulation Number: | 21 CFR 872.1800 |
| | Regulation Name: | Extraoral Source X-Ray System |
| | Regulatory Class: | Class II |
| | Product Code: | MUH |
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Image /page/4/Picture/0 description: The image features a logo with a blue square background. Inside the square, there is a stylized white letter "N" that appears to be interconnected. Below the square, there is a white rectangle with the word "VILLA" written in a bold, sans-serif font.
## Device Description
Rotograph Prime 3D (and I-MAX 3D under trade mark Owandy Radiology) is a complete 3D and 2D panoramic X-ray system. It performs:
2D standard examination programs
- Standard Panoramic: adult/child panoramic exam ।
- -TMJ open and closed mouth
- Sinus P/A projection ।
- । Half Panoramic (left/right)
- । Ortho Rad Panoramic
- -Frontal Dentition
- -Low Dose Panoramic
- -Bitewing (Left/Right/Left and Right
3D standard examination programs
- 3D Full Dentition l
- 3D Single Jaw (Maxillary, Mandibular) ।
- 3D Mandibular Teeth (Frontal, Premolars and Molars) ।
- -3D Maxillary Teeth (Frontal, Premolars and Molars)
- । 3D TMJ ( ( ( right/left)
- । 3D Sinus
The images are acquired by a CMOS Flat Panel detector with CsI scintillator and are displayed on a monitor, and image manipulation, archiving and communication are performed via a computer (not included in the device).
#### Installation mode
The subject device is sold in wall or floor mounted version.
#### Accessories and components
The device can be equipped with different accessories to fulfill different diagnostic needs, such as three different chin supports with bite stick or with special removable appendix for edentulous patients, specific support for 2D TMJ exam, head strips for 3D exams and X-ray push button with extensible.
The device contains the following materials and/or components:
।
Tube-head: dielectric oil, copper, iron, aluminum, glass, tungsten.
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Image /page/5/Picture/0 description: The image features a logo with a blue square background. Inside the square, there is a stylized white letter 'N' with a curved design. Below the 'N', the word 'VILLA' is written in white, block letters. The logo appears to be for a company or organization named Villa, with the 'N' possibly representing a stylized initial.
- -Collimator: lead
- -Other parts of the device: non-biodegradable plastic materials, metal materials, printed circuits, iron-plastic materials, lead
The patient contacting components are:
- temple support rods
- chin supports
- bite sticks
- head strips
- handles
Chin supports, bite sticks are unchanged from primary predicate device, and temple support rods and handles are unchanged from additional predicate device.
Head strips and all other parts in contact with patient have been assessed according to ISO 10993.
Contact duration is in the range of seconds to few minutes and contact type is surface-contacting.
#### Indication for Use
Rotograph Prime 3D (and I-MAX 3D under trade mark Owandy Radiology) is an extra-oral dental panoramic and CBCT (aka CBVT) X-ray unit to take either two dimensional (panoramic, TMJ and sinus exams) or three dimensional radiographic exams of teeth, jaw and oral structures.
Two dimensional images are taken using the narrow beam technique. Three dimensional exams are taken using cone shaped x-ray beam technique; both of them are well known techniques.
The device is operated and used by dentists, radiologists and other legally qualified health care professionals.
It can be used with both pediatric and adult patients.
#### Rationale for Substantial Equivalence
Here below a summing up the main features of the proposed and predicate devices in order to point out the significant similarities and differences.
Rotograph Prime 3D (and I-MAX 3D under trade mark Owandy Radiology) is based on a well-known technology and it has the same indication for use as the predicate devices as reported here below.
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Image /page/6/Picture/0 description: The image is a logo for Villa. The logo consists of a white stylized letter "N" on a blue square background. Below the "N" is the word "VILLA" in white, also on a blue background.
| | Proposed device: | Primary predicate device: | Additional predicate device: |
|--------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| | Rotograph Prime 3D and I-Max 3D | I-MAX Touch 3D | Rotograph Prime |
| Intended Use | Rotograph Prime 3D is an extra-oral<br>dental panoramic and CBCT (aka CBVT)<br>X-ray unit to take either two dimensional<br>(panoramic, TMJ and sinus exams) or<br>three dimensional radiographic exams of<br>teeth, jaw and oral structures.<br>Two dimensional images are taken using<br>the narrow beam technique. Three<br>dimensional exams are taken using cone<br>shaped x-ray beam technique; both of<br>them are well known techniques.<br>The device is operated and used by<br>dentists, radiologists and other legally<br>qualified health care professionals.<br>It can be used with both pediatric and<br>adult patients. | I-MAX Touch 3D, panoramic x-ray<br>imaging system with cephalostat, is an<br>extraoral source x-ray system, which is<br>intended for dental radiographic<br>examination of the teeth, jaw, and oral<br>structures, specifically for panoramic<br>examinations and implantology and for<br>TMJ studies and cephalometry, and it<br>has the capability, using the CBVT<br>technique, to generate dento-<br>maxillofacial 3D images.<br>The device uses cone shaped x-ray<br>beam projected on to a flat panel<br>detector, and the examined volume<br>image is reconstructed to be viewed in<br>3D viewing stations.<br>2D Images are obtained using the<br>standard narrow beam technique<br>The device is to be operated and used<br>by dentists, radiologists and other<br>legally qualified health care<br>professionals. | Rotograph Prime is an extra-oral<br>dental panoramic X-ray unit to<br>radiograph teeth, jaw and oral<br>structures.<br>The device is operated and used<br>by dentists, radiologists and<br>other legally qualified health<br>care professionals.<br>It can be used with both<br>pediatric and adult patients. |
The following tables list the similarities and the differences between the subject device (Rotograph Prime 3D under trade mark Villa Sistemi Medicali and I-MAX 3D under trade mark Owandy Radiology) and the primary predicate device I-MAX Touch 3D, and the additional predicate device Rotograph Prime.
A detailed discussion about the differences is reported in section "Substantial Equivalence Discussion"
#### Similarities
| Proposed device<br>(Rotograph Prime<br>3D) | Primary predicate<br>device<br>(I-MAX Touch 3D) | Additional Predicate<br>Device<br>(Rotograph Prime) | |
|--------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------|----------------------------------------------------------|
| 2D Examination programs | | | |
| Panoramic exam | Yes | Yes | Yes |
| Ortho Rad Panoramic | Yes | Yes | Yes |
| Segmented Panoramic (Half<br>panoramic, frontal dentition,<br>bitewings) | Yes | Yes | Yes |
| | Proposed device<br>(Rotograph Prime<br>3D) | Primary predicate<br>device<br>(I-MAX Touch 3D) | Additional Predicate<br>Device<br>(Rotograph Prime) |
| Low dose panoramic | Yes | Yes | Yes |
| TMJ Open/Closed mouth | Yes | Yes | Yes |
| TMJ single phase | Yes | Yes | Yes |
| Sinus | Yes | Yes | Yes |
| Cephalometric option available | NO | YES | NO |
| 2D Exam characteristics | | | |
| Panoramic max image size | equivalent to 15x30<br>cm film | equivalent to 13x30<br>cm film | equivalent to 15x30 cm<br>film |
| 3D examination programs | | | |
| 3D Full dentition | Yes | Yes | n/a |
| 3D TMJ Left | Yes | Yes | n/a |
| 3D TMJ Right | Yes | Yes | n/a |
| 3D sinus | Yes | Yes | n/a |
| 3D Single Jaw<br>(maxillary / mandibular) | YES | NO | n/a |
| 3D teeth only (maxillary /<br>mandibular) | YES | NO | n/a |
| 3D High resolution mode | YES | NO | n/a |
| 3D exam characteristics | | | |
| X-ray beam | cone beam | cone beam | n/a |
| Acquisition trajectory | Single 200 degree<br>rotation (except for<br>3D TMJ)<br>Single 180 degree<br>rotation (for 3D TMJ) | Single 200 degree<br>rotation (except for 3D<br>TMJ)<br>Single 180 degree<br>rotation (for 3D TMJ) | n/a |
| Reconstruction algorithm | Feldkamp with the<br>option of MAR (Metal<br>Artifact Removal) | Feldkamp with the<br>option of MAR (Metal<br>Artifact Removal) | n/a |
| Generator/tube<br>characteristics | | | |
| X-ray generator | High frequency | High frequency | High frequency |
| Focal spot value | 0.5 mm (IEC 60336) | 0.5 mm (IEC 60336) | 0.5 mm (IEC 60336) |
| | Proposed device<br>(Rotograph Prime<br>3D) | Primary predicate<br>device<br>(I-MAX Touch 3D) | Additional Predicate<br>Device<br>(Rotograph Prime) |
| Independent kV-mA regulation | YES | YES | YES |
| DAP Software | YES | YES | YES |
| kV Range | 60 - 86 kV step 2kV | 60 - 86 kV step 2kV | 60 - 70 kV step 2kV |
| Total filtration | 2.5 mm Al eq | 2.5 mm Al eq | 2.0 mm Al eq |
| Collimator | Automatic | Automatic | Fixed |
| Patient positioning | | | |
| Height adjustment | motorized | motorized | motorized |
| Positioning lights | 2 laser pointers | 2 laser pointers | 2 laser pointers |
| Patient position | Standing | Standing | Standing |
| Patient positioning tools | temple clamps, bite<br>block, chin support,<br>head strip | temple clamps, bite<br>block, chin support,<br>head strip | temple clamps, bite<br>block, chin support |
| Height of chin support from the<br>floor | 975-1635 mm | 920-1755 mm | 975-1635 mm |
| Patient positioning orientation vs<br>the operator | face to face | lateral with adjustable<br>mirror | face to face |
| User interface | | | |
| Real time visualization | YES | YES | YES |
| User interface | Onboard keyboard<br>and virtual control<br>panel (on PC) | Onboard keyboard and<br>O-LED display, plus<br>virtual control panel<br>(on PC) | Onboard keyboard and<br>virtual control panel<br>(on PC) |
| Installation | | | |
| Power supply voltage | 110-120 V, 50/60 Hz | 110-120 V, 50/60 Hz | 110-120 V, 50/60 Hz |
| Current rating | 14.5 A | 15 A | 7 A |
| Type of installation | wall or floor mount | Wall or floor mount | Wall mount |
| Weight (wall mount version) | 67 kg | 161 kg | 62 kg |
| Dimensions (wall mount version) | 2184mm x 1107 mm<br>x 953 mm | 2450 mm x 1260 mm x<br>1040 mm | 2184mm x 1107 mm x<br>953 mm |
| | Proposed device<br>(Rotograph Prime 3D) | Primary predicate device<br>(Rotograph Evo 3D) | Additional Predicate<br>Device<br>(Rotograph Prime) |
| 3D examination programs | | | |
| 3D Single Jaw<br>(maxillary / mandibular) | YES | NO | n/a |
| 3D teeth only (maxillary /<br>mandibular) | YES | NO | n/a |
| 3D High resolution mode | YES | NO | n/a |
| 3D exam characteristics | | | |
| Biggest FOV (Ø x H) mm (3D<br>dentition, 3D TMJs, 3D sinus) | 85 mm x 93 mm | 85 mm x 85 mm | n/a |
| 3D Imaging detector | | | |
| Technology | CMOS flat panel with<br>Cesium Iodide (CsI)<br>scintillator screen | Amorphous Silicon with<br>Cesium Iodide (CsI)<br>scintillator screen | n/a |
| Sensor active area (Height x<br>Width) | 144 mm x 119.5 mm | 130 mm x 130 mm | n/a |
| Pixel size | 120 μm x 120 μm | 127 μm x 127 μm | n/a |
| Bit depth | 16 bit | 14 bit | n/a |
| Generator/tube<br>characteristics | | | |
| mA range | 2 - 12.5 mA | 6 - 10 mA | 2 - 7.1 mA |
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Image /page/7/Picture/0 description: The image is a logo for Villa. The logo is a blue square with a white stylized letter "V" in the center. Below the letter "V" is the word "VILLA" in white, block letters. The logo is simple and modern.
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Image /page/8/Picture/0 description: The image is a logo featuring a stylized white letter 'N' on a blue square background. Below the square, the word "VILLA" is written in white, block letters. The overall design is simple and modern, with a clear contrast between the white elements and the blue background.
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Image /page/9/Picture/0 description: The image is a logo for Villa. The logo consists of a blue square with a white stylized letter "N" inside. Below the "N" and still within the blue square, the word "VILLA" is written in white, block letters.
#### Differences
Rotograph Prime 3D (and I-MAX 3D under trade mark Owandy Radiology) has the same functions in the same environment as the primary predicate device I-MAX Touch 3D and the additional predicate device Rotograph Prime (and I-MAX under trade mark Owandy Radiology).
Specifically, the proposed device performs the same projections for the 2D examination of teeth, jaw and oral structures as both I-MAX Touch 3D and Rotograph Prime (and I-MAX under trade mark Owandy Radidlogy) and in addition has the capability to perform three dimensional exams as I-MAX Touch 3D device. On the proposed device, in addition to the exams present on I-MAX Touch 3D, has been added some new smaller field of view 3D examinations derived from the correspondent examinations with full field of view.
The proposed device uses a high frequency x-ray generator with the same electronics and x-ray exposure control as Rotograph Prime (and I-MAX under trade mark Owandy Radiology), with a range of exposure parameters similar to that of I-MAX Touch 3D. The focal spot value is the same as both predicate devices. The range of mA has been extended to the lower values allowing further dose reduction and to higher values allowing a reduction of the exam exposure time (still preserving the overall patient's dose).
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Image /page/10/Picture/0 description: The image is a logo for Villa. The logo features a stylized white letter "N" on a blue square background. Below the square is the word "VILLA" in white, set against the same blue background.
In the proposed device the patient positioning is assured by two laser pointers that allow to locate the patient reference planes as in both predicate devices and is frontal as in Rotograph Prime. The range of chin support height is the same as Rotograph Prime one.
The proposed device's detector is based on the same principle of the primary predicate device I-MAX Touch 3D (large area flat panel detector), however it's a more recent product: small differences are in the pixel size and active area. The equivalence of the image quality of both two dimensional radiographic exams of the proposed device vs the primary predicate device has been assessed with image comparison tests.
The user interface of the proposed device is the same as in Rotograph Prime and equivalent to that of I-MAX Touch 3D.
| | | Proposed device<br>Rotograph Prime 3D<br>Panoramic mode | Primary predicate device<br>I-MAX Touch 3D |
|---------------------------------------------------------------------------------------------|--------------------------------------------|---------------------------------------------------------|--------------------------------------------|
| Spatial resolution | | 3 lp/mm | 2.2 lp/mm |
| Contrast resolution (number of<br>visible holes in the phantom<br>defined in IEC 61223-3-4) | | 4 | 4 |
| DAP | | @80kV 9mA 14.0s: 15.7 uGy·m² | @80kV 9mA 13.8s: 13.0 uGy·m² |
| 3D mode | | | |
| Nyquist Frequency | | 2.85 lp/mm | 2.7 lp/mm |
| Contrast to Noise Ratio | | 15.3 | 17.9 |
| Homogeneity | Metrics defined in<br>standard DIN6868-161 | 8.6 | 7.0 |
| MTF on axial slices | | 10% modulation: 1.37 lp/mm | 10% modulation: 1.31 lp/mm |
| | | 50% modulation: 0.72 lp/mm | 50% modulation: 0.57 lp/mm |
| Acceptance Index | | 247 (mGy·cm²)-1 | 86 (mGy·cm²)-1 |
| DAP (3D full dentition ) | | @84kV 5mA 7s: 108 uGy·m² | @80kV 8mA 11.2s: 196.7<br>uGy·m² |
## COMPARISON OF KEY IMAGE QUALITY METRICS along with dose between the subject and primary predicate device
In the panoramic mode of operation the DAP value is slightly higher for the subject device. This is substantially due to the higher vertical size of the detector (14.2mm high, compared to 12.8mm of the primary predicate device), allowing to have a larger field of view and anatomic coverage.
In the 3D mode of operation instead, on the subject device the default parameters for a standard adult patient are chosen so to give priority to the dose containment with respect to the predicate device, at the cost of a slightly higher
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Image /page/11/Picture/0 description: The image is a logo for Villa. The logo consists of a white letter "N" that is stylized with a curved line on a blue square background. Below the blue square is the word "VILLA" in white, block letters.
image noise that results in a lower Contrast to Noise Ratio as explained in the Test Report RT336_2018-08-31_rev0_imageQuality included in Annex L. The user can anyway increase the radiological parameters in order to obtain higher contrast, should the need arise. This choice is also supported by the fact that the Acceptance Index is much higher in value, indicating an overall better performance. Index (defined in the standard DIN6868-161) is a parameter that indicates that the overall imaging performance, taking into account both the delivered dose, the image resolution and image contrast. The higher is the device performance vs the delivered dose. Additional details are given in above mentioned annex.
| | Proposed device<br>Rotograph Prime 3D | Primary predicate device<br>I-MAX Touch 3D | |
|----------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| System architecture | Based on multiple CPUs<br>connected via Can Bus<br>plus Ethernet<br>connection to PC | Based on multiple CPUs<br>connected via Can Bus<br>plus Ethernet connection<br>to PC.<br>In this case, the device<br>has two more CPUs for<br>controlling the onboard<br>GUI and vertical column | The firmware<br>architecture is the same<br>as the Predicate<br>Devices.<br>The architecture and<br>number of CPUS of the<br>Proposed Device are<br>simplified compared to<br>the primary predicate<br>device due to:<br>- Elimination of<br>onboard GUI<br>- Replacement of<br>column movement<br>device with a<br>component not<br>requiring a CPU<br>(fully hardware-<br>implemented) |
| | Proposed device<br>Rotograph Prime 3D | Primary predicate device<br>I-MAX Touch 3D | |
| Firmware functions<br>(of MCU and DSPU Control<br>Processing Units) for<br>controlling movements<br>and image<br>acquisition/synchronization | Firmware functions are<br>designed to manage<br>the panoramic/3D<br>version, which is<br>considered a subset of<br>the versions in the<br>primary predicate<br>device. The number of<br>3D exams is greater,<br>but their management<br>is the same in terms of<br>firmware. Some<br>differences are related<br>to specific hardware<br>solutions or different<br>microprocessors from<br>the Primary Predicate<br>Device. | Firmware functions are<br>designed to manage the<br>following configurations:<br>Film Version, digital<br>panoramic version,<br>panoramic/3D version,<br>cephalometric option | The firmware functions<br>of the proposed device<br>are equivalent to those<br>of the Primary Predicate<br>device, some functions<br>have been eliminated<br>since the proposed<br>device has just a<br>machine version.<br>The fact that proposed<br>device has more 3D<br>exams available doesn't<br>add complexity to the<br>firmware. |
| X-ray generator board<br>firmware functions | X-ray parameters (kV,<br>mA, pulsed / continuous<br>emission) management,<br>X-ray start and stop,<br>errors control.<br>Can Bus<br>communication. | X-ray parameters (kV,<br>mA, pulsed / continuous<br>emission) management,<br>X-ray start and stop,<br>errors control.<br>Can Bus communication. | Firmware functions and<br>Can Bus protocol are<br>the same as in the<br>Primary Predicate device |
| Communication protocol<br>between the computer<br>and DSPU board. | Proprietary TCP/IP<br>protocol | Proprietary TCP/IP<br>protocol | The communication<br>protocol is the same as<br>the Primary Predicate<br>Device one. |
| Software functions (on PC) | Graphical use interface<br>(GUI) to control the<br>machine, TCP/IP<br>communication, image<br>acquisition and<br>correction; image<br>reconstruction. | Graphical use interface<br>(GUI) to control the<br>machine, TCP/IP<br>communication, image<br>acquisition and<br>correction; image<br>reconstruction | Software functions are<br>the same as Primary<br>Predicate Device one;<br>the GUI is different in<br>the graphics respect to<br>the Primary Predicate<br>device but is the same<br>to the Additional<br>Predicate Device, with a<br>wider selection of exam<br>options. |
| | Proposed device<br>Rotograph Prime 3D | Primary predicate device<br>I-MAX Touch 3D | |
| Image acquisition | Integration of the<br>specific detector<br>manufacturer SDK; PC<br>memory and disk space<br>management and<br>control. | Integration of the specific<br>detector manufacturer<br>SDK; PC memory and<br>disk space management<br>and control. | Proposed Device and<br>Primary Predicate<br>Device use imaging<br>detector of different<br>manufacturers so SDK<br>are different but PC<br>memory and disk space<br>management and<br>control is the same as<br>Primary Predicate<br>Devices |
| Image correction (defect<br>map, offset and flat field) | Correction functions for<br>detector in area mode<br>are designed by Villa /<br>Owandy. Offset<br>correction is done<br>before each acquisition | Correction functions are<br>provided by the detector<br>manufacturer. Offset<br>correction is done before<br>each acquisition | Correction functions<br>implemented are<br>standard functions of<br>offset subtraction, flat<br>field correction and<br>defect map correction<br>and they are equivalent<br>to those provided by the<br>Primary Predicate<br>Device detector<br>manufacturer. |
| 2D examination programs'<br>final image | The frames acquired by<br>the Flat panel detector<br>in area mode after the<br>corrections, are<br>elaborated with a shift<br>and add procedure to<br>form the final image | The frames acquired by<br>the Flat panel detector in<br>area mode are after the<br>correction, are elaborated<br>with a shift and add<br>procedure to form the<br>final image | Same as predicate<br>device |
| 2D examination programs'<br>image pre-processing | GUI provides basic<br>image pre-processing<br>capabilities that the<br>user can enable or<br>disable. By default they<br>are disabled. | No image processing is<br>available | This function has been<br>added respect to the<br>Primary Predicate<br>Device but it is already<br>present on the<br>Additional Predicate<br>Device. |
| | Proposed device<br>Rotograph Prime 3D | Primary predicate device<br>I-MAX Touch 3D | |
| 3D examination image<br>reconstruction | The frames acquired by<br>the Flat panel detector<br>in area mode after the<br>correction, are<br>elaborated with a<br>Feldkamp algorithm -<br>and eventually with the<br>MAR algorithm- to get a<br>set of axial slices; then<br>a dicom header is added<br>to each slice file. Dicom<br>dataset is then saved to<br>disk for transfer to<br>external<br>visualization/processing<br>programs.<br>The 3D reconstruction is<br>done using PC GPU or<br>CPU. | The frames acquired by<br>the Flat panel detector in<br>area mode after the<br>correction, are elaborated<br>with a Feldkamp<br>algorithm —and<br>eventually with the MAR<br>algorithm- to get a set of<br>axial slices; then a dicom<br>header is added to each<br>slice file. Dicom dataset<br>is then saved to disk for<br>transfer to external<br>visualization/processing<br>programs.<br>The 3D reconstruction is<br>done using PC CPU. | The algoritm to<br>calculate the slices of<br>the 3D studies is the<br>same as the predicate<br>device one. Small<br>differences are related<br>to the algorithm tuning<br>for the different pixel<br>size, detector size and<br>detector response and<br>for the presence of<br>partial and high<br>resolution volumes.<br>The algorithm has been<br>implemented to run on<br>the computer CPU and<br>on the graphic card<br>GPU. The algorithm on<br>GPU verification is<br>reported in PANOVA -<br>N135C - GPU processing<br>time estimation |
## COMPARISON OF SOFTWARE between the subject and predicate device
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Image /page/14/Picture/0 description: The image is a logo for Villa. The logo consists of a blue square with a white stylized letter "V" inside. Below the square, the word "VILLA" is written in white, block letters. The logo is simple and modern, and the blue and white color scheme is clean and professional.
# Performance Data And Testing Evidence
Electrical safety, EMC/EMI testing, biocompatibility consideration, performance and image quality testing, verification and validation testing were performed to substantial equivalence determination. All standards applied were FDA recognized international standards. The software validation activities…
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Learn the FDA Browser
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
How do you verify an AI chat answer on the device detail page?
Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
5. Side-by-side comparison
Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
6. Collections
With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
8. Chart view
Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.