K193535 · Livermoretech, Inc. · IZL · May 7, 2020 · Radiology
Device Facts
Record ID
K193535
Device Name
EZER, Portable X-ray System
Applicant
Livermoretech, Inc.
Product Code
IZL · Radiology
Decision Date
May 7, 2020
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 892.1720
Device Class
Class 2
Attributes
Pediatric
Indications for Use
EZER Portable X-Ray system is a portable x-ray source with a fixed tube current and voltage for producing diagnostic x-ray images of extremities using digital or film image receptors. Its use is intended to be used by trained clinician or technicians for both adult and pediatric subjects age 2 and above. It is not intended to replace a radiographic system with variable tube current and voltage (kVp) which may be required for full optimization of image quality and radiation exposure for different exam types.
Device Story
EZER Portable X-ray System is a handheld, battery-powered X-ray source for extremity imaging. It utilizes a high-voltage generator and X-ray tube to produce diagnostic images on digital or film receptors. The device features a fixed tube current and voltage, a beam-limiting cone, and a remote hand switch. An integrated Intel stick PC and 7" TFT display allow clinicians to view images for reference; however, the display is not intended for diagnostic use. Operated by trained clinicians or technicians in clinical settings, the device provides a portable alternative to stationary systems. The output images assist healthcare providers in assessing extremity conditions. The device benefits patients by enabling point-of-care imaging without requiring transport to a radiology suite.
Clinical Evidence
Bench testing and comparative clinical image analysis. An American board-certified radiologist compared images from the subject and predicate devices, rating them as having similar overall quality with no radiographic abnormalities or diagnostic issues. Compliance with IEC 60601-1, 60601-1-3, 60601-2-54, and 62133 standards confirmed.
Technological Characteristics
Handheld portable X-ray system. Materials: unspecified enclosure. Energy: 22.2V DC Lithium-Ion Polymer battery. Output: 2.0 mA fixed, 60 kVp fixed. Exposure time: 0.03–1.30s. Focal spot: 1.2 mm. Source-to-skin distance: 30 cm. Collimator: manual shutters with light beam indicator. Connectivity: Integrated Intel stick PC for image viewing. Standards: IEC 60601-1, IEC 60601-1-3, IEC 60601-2-54, IEC 62133, 21 CFR 1020.30/31.
Indications for Use
Indicated for diagnostic x-ray imaging of extremities in adult and pediatric patients age 2 and older. Not intended to replace variable kVp radiographic systems for exams requiring full optimization of image quality and radiation exposure.
Regulatory Classification
Identification
A mobile x-ray system is a transportable device system intended to be used to generate and control x-ray for diagnostic procedures. This generic type of device may include signal analysis and display equipment, patient and equipment supports, component parts, and accessories.
{0}------------------------------------------------
Image /page/0/Picture/0 description: The image contains the logo of the U.S. Food & Drug Administration (FDA). The logo features a stylized depiction of a caduceus on the left, followed by the letters "FDA" in a blue square. To the right of the square, the words "U.S. FOOD & DRUG" are stacked above the word "ADMINISTRATION," all in blue. The logo is commonly used to represent the FDA and its role in regulating food and drugs in the United States.
May 7, 2020
Livermoretech, Inc. % Mr. Dave Kim Regulatory Affairs Mtech Group 7707 Fannin Street. Suite 200 HOUSTON TX 77054
Re: K193535
Trade/Device Name: EZER, Portable X-ray System Regulation Number: 21 CFR 892.1720 Regulation Name: Mobile x-ray system Regulatory Class: Class II Product Code: IZL Dated: April 17, 2020 Received: April 17, 2020
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. 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 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 of medical device-related adverse events) (21 CFR 803) for
{1}------------------------------------------------
devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatory-information/postmarketing-safety-reportingcombination-products); 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 https://www.fda.gov/medical-device-safety/medical-device-reportingmdr-how-report-medical-device-problems.
For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medicaldevices/device-advice-comprehensive-regulatory-assistance) and CDRH Learn (https://www.fda.gov/training-and-continuing-education/cdrh-learn). 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 (https://www.fda.gov/medical-device-advice-comprehensive-regulatoryassistance/contact-us-division-industry-and-consumer-education-dice) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely.
For
Thalia T. Mills, Ph.D. Director Division of Radiological Health OHT7: Office of In Vitro Diagnostics and Radiological Health Office of Product Evaluation and Quality Center for Devices and Radiological Health
Enclosure
{2}------------------------------------------------
# Indications for Use
510(k) Number (if known) K193535
Device Name EZER Portable X-ray System
Indications for Use (Describe)
EZER Portable X-Ray system is a portable x-ray source with a fixed tube current and voltage for producing diagnostic xray images of extremities using digital or film image receptors. Its use is intended to be used by trained clinician or technicians for both adult and pediatric subjects age 2 and above.
It is not intended to replace a radiographic system with variable tube current and voltage (KVp) which may be required for full optimization of image quality and radiation exposure for different exam types.
| Type of Use (Select one or both, as applicable) | |
|-------------------------------------------------------------------------------------|----------------------------------------|
| <span style="font-size: 10pt;"></span> Prescription Use (Part 21 CFR 801 Subpart D) | <span style="font-size: 10pt;"></span> |
| <span style="font-size: 10pt;"></span> Over-The-Counter Use (21 CFR 801 Subpart C) | <span style="font-size: 10pt;"></span> |
## CONTINUE ON A SEPARATE PAGE IF NEEDED.
This section applies only to requirements of the Paperwork Reduction Act of 1995.
### *DO NOT SEND YOUR COMPLETED FORM TO THE PRA STAFF EMAIL ADDRESS BELOW.*
The burden time for this collection of information is estimated to average 79 hours per response, including the time to review instructions, search existing data sources, gather and maintain the data needed and complete and review the collection of information. Send comments regarding this burden estimate or any other aspect of this information collection, including suggestions for reducing this burden, to:
> Department of Health and Human Services Food and Drug Administration Office of Chief Information Officer Paperwork Reduction Act (PRA) Staff PRAStaff@fda.hhs.gov
"An agency may not conduct or sponsor, and a person is not required to respond to, a collection of information unless it displays a currently valid OMB number."
{3}------------------------------------------------
## 510(k) Summary K193535
This summary of 510(k) information is being submitted in accordance with requirements of 21 CFR Part 807.92.
#### April 29, 2020 Date 510k summary prepared:
#### I. SUBMITTER
| Submitter's Name | Livermoretech |
|------------------------|-----------------------------------------------------------------------|
| Submitter's Address | 801 North Jupiter Rd, Suite 200<br>Plano TX 75074 |
| Submitter's Telephone | |
| Contact person | Jay Kim (jay.kim@aspenstate.com) / RA Manager<br>Tel: +1-214-257-0113 |
| Official Correspondent | Dave Kim (davekim@mtech-inc.net) |
| Address | 7707 Fannin St. Ste 200, V111, Houston, TX 77054 |
| Telephone | +713-467-2607 |
#### II. DEVICE
| Trade/proprietary Name | EZER Portable X-ray System |
|------------------------|----------------------------|
| Regulation Name | Mobile X-ray System |
| Regulation Number | 21 CFR 892.1720 |
| Product Code | IZL |
| Regulatory Class | Class II |
#### III. PREDICATE DEVICE
| 510K Number | K140723 |
|-------------------|--------------------------------|
| Manufacturer | Aribex, Inc |
| Device Name | NOMAD MD Handheld X-ray System |
| Regulation Name | Mobile X-ray System |
| Regulation Number | 21 CFR 892.1720 |
| Product Code | IZL |
| Regulatory Class | Class II |
{4}------------------------------------------------
#### IV. DEVICE DESCRIPTION:
EZER Portable X-ray System generates and controls X-ray with a fixed tube current and voltage (kVp) in order to take diagnostic X-rays of extremities for adult and pediatric patients. It operates on 22.2VDC supplied by a rechargeable Lithum-Ion Polymer battery pack. The X-ray tube head. X-ray controls and power source are assembled into a single hand-held enclosure. EZER Portable X-ray System includes high voltage generator, X-ray tube, a control board (PCB), rechargeable battery, LCD user interface, X-ray beam limiting cone, and a remote control switch (hand switch). Operating principle is that x-ray generated by high voltage electricity into x-ray tube, which penetrates extremities and makes x-ray images on receptor. INTEL stick PC is integrated with EZER so the user can see X-ray image from LCD display without a computer. EZER Portable X-ray System is intended to be used by trained clinicians or technicians for both adult and pediatric patients.
The embedded 7" TFT display in EZER Portable X-ray is not intended to be used for diagnosis.
#### Indications for Use: 21 CFR 807 92 (a) (5) V.
EZER Portable X-Ray system is a portable x-ray source with a fixed tube current and voltage for producing diagnostic x-ray images of extremities using digital or film image receptors. Its use is intended to be used by trained clinician or technicians for both adult and pediatric subjects age 2 and above.
It is not intended to replace a radiographic system with variable tube current and voltage (kVp) which may be required for full optimization of image quality and radiation exposure for different exam types.
Comparison Table with the Predicate Device for technological characteristics:
| Feature | Nomad MD<br>X-ray System (K140723) | EZER Portable X-ray System<br>(K193535) |
|-----------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Regulation No. | 21 CFR 892.1720 | 21 CFR 892.1720 |
| Regulation Class | II | II |
| Product Code | IZL | IZL |
| Indications for<br>Use/Intended<br>Use: | The NOMAD MD is a handheld and portable<br>general purpose X-ray system. The device<br>uses a fixed tube current and voltage (kVp)<br>and, therefore, is limited to taking<br>diagnostic X-rays of extremities.<br>It is intended to be used by a qualified and<br>trained clinician on both adult and pediatric<br>patients. It is not intended to replace a<br>radiographic system with variable tube<br>current and voltage (kVp) which may be<br>required for full optimization of image<br>quality and radiation exposure for<br>different exam types. | EZER Portable X-Ray system is a portable x-<br>ray source with a fixed tube current and<br>voltage for producing diagnostic x-ray<br>images of extremities using digital or film<br>image receptors. Its use is intended to be<br>used by trained clinician or technicians for<br>both adult and pediatric subjects age 2 and<br>above.<br>It is not intended to replace a radiographic<br>system with variable tube current and<br>voltage (kVp) which may be required for<br>full optimization of image quality and<br>radiation exposure for |
{5}------------------------------------------------
## LIVERMORETECH
801 North JupiterRd, Suite 200, Plano, TX 70574 USA
Tel.: +214-257-0113
| | | different exam types. |
|-------------------------|----------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------|
| Principle of Operation | General Purpose Diagnostic X-Ray | General Purpose Diagnostic X Ray |
| TECHNOLOGICAL: | | |
| Size: Body | 9.5"H x 5.25"Wx10"L<br>(excluding Source Skin guard) | 9.2" L x 6.4"W x 4.6" H |
| Weight | 11.0 lbs. | 5.7 lbs (2.6 kg) |
| Source to skin distance | 30 cm | 30 cm |
| Focal Spot | 0.4 mm | 1.2 mm |
| Collimator | Four manually and steplessly<br>adjustable shutters with LED Light<br>Field Center Indicator | Four manually and steplessly<br>adjustable shutters with light beam<br>type central x-ray indicator (Advantech<br>R72) |
| Triggering Mechanism | Two stage triggering | Two stage triggering |
| User Interface | Up-down buttons for exposure time<br>selection, with timer display. | Up-down push buttons for kVp<br>selections and exposure time selections<br>with LED indicators and mAs indicators. |
| Energy Source | Rechargeable 14.4 V DC NiCd battery pack | Rechargeable 22.2 V DC<br>Lithium Ion Polymer battery pack |
| Exposure Time | 0.02 – 0.99 seconds in 0.01 increments | 0.03~1.30 seconds in 0.01 increments |
| mA | 2.0 mA fixed | 2.0 mA fixed |
| kVp | 75 kVp fixed | 60 kVp fixed |
#### VI. Discussion of differences
The subject device is similar to the predicate device in terms of the indications for use and technological application. Both the subject and predicate devices are portable X-ray system for taking diagnostic X-rays of human anatomy using a fixed tube current and voltage (kVp). The subject device has on board computer and a display screen that allows the doctor to view X-ray images for reference purpose only and not for diagnosis. Other differences include device design such as battery pack, exposure time, size and user interface.
#### VII. Non clinical testing
Testing was performed successfully according to the following standards:
- > IEC 60601-1-3:2008+A1:2013
- > EN 60601-1-2:2015
- ≫ IEC 62133:2012
- > EN 62133:2013
- > EN 60601-1:2006/A1:2013
- > IEC 60601-2-54:2009 (First edition),A1:2014 for use in conjunction with IEC 60601-1:2015 (third e dition) A1:2012
{6}------------------------------------------------
Furthermore, the following Specific Guidance Document was utilized in the device development to ensure the safety of this device for both the operators and patients: "Radiation Safety Consideration for X-ray Equipment Designed for Hand-Held Use" "The Content of Premarket Submissions for Software Contained in Medical Devices"
The device also conforms to the following:
21 CFR 1020 Subchapter J: Performance Standards for Ionizing Radiation Emitting Products
21 CFR 1020.30: Diagnostic x-ray system and their major components
21 CFR 1020.31: Radiographic Equipment
#### VIII. Summary of Clinical Tests
Images taken from the predicate and subject devices were reviewed and rated in comparison by an American board-certified radiologist.
Based on image comparison test and data analysis, images taken from EZER, the subject device, have similar quality overall compared with Nomad MD, the predicate device. Based on images taken from EZER, there are no other radiographic abnormalities and any issue with diagnostic images.
#### IX. Conclusion:
In accordance with the Federal Food, Drug and Cosmetic Act, 21 CFR Part 807 and based on the information provided above comparison table, the EZER Portable X-ray System has little difference with its size and user interface as the information in the table. The subject device is substantially equivalent to the predicate device with its intended use, mechanical and electrical performance as described.
Performance evaluation (test) reports and device inspection report confirmed that the EZER Portable X-ray System suitable for its intended use and user instruction of the device.
Predicate graph will load when search results are available.
Embedding visualization will load when search results are available.
PDF viewer will load when search results are available.
Loading panels...
Select an item from Submissions
Click any panel, subpart, regulation, product code, or device to see details here.
Section Matches
Results will appear here.
Product Code Matches
Results will appear here.
Special Control Matches
Results will appear here.
Loading collections...
Loading
My Alerts
You will receive email notifications based on the filters and frequency you set for each alert.
Sort by:
Create Alert
Search Filters
Agent Token
Create a read-only bearer token for Claude, ChatGPT, or other agents that can call HTTP APIs.
Copy this now. It will not be shown again.
Connected apps
Apps you authorized through browser sign-in. Disconnecting revokes their access immediately.
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.