The CapIMAGE Gamma Camera System is intended to produce planar images depicting the anatomical distributions of single photon emitting radioisotopes in the human body within the energy range of 59kev to 167kev. The system provides software applications for processing, analyzing, and displaying medical images for interpretation by medical personnel. The CapIMAGE Gamma Camera System is intended for examination (and diagnosis) of disorders and diseases in the thyroid gland, the heart and other small organs. The device is not interpretative. Data from the device are interpreted by medical personnel who, based on these, make the clinical diagnosis.
Device Story
Mobile Small Field of View (SFOV) gamma camera; utilizes scintillation detector to detect gamma rays. System manually transported; operates on mains or internal battery. Analog signals from photomultiplier tubes summed into position/energy signals; digitized and corrected by camera console electronics. Corrected data sent to laptop PC for control, user interface, and image display. User enters acquisition parameters; reviews/processes images on PC; transfers via DICOM. Used in clinical settings for planar imaging of thyroid, heart, and small organs. Provides visual data for medical personnel to interpret and diagnose; does not provide automated interpretation.
Clinical Evidence
No clinical data. Bench testing only. Compliance with UL 60601-1, IEC 60601-1, IEC 60601-1-1, IEC 60601-1-2, and NEMA NU 1-2001 standards demonstrated.
Technological Characteristics
Mobile gantry with horizontal arm; NaI crystal scintillation detector; photomultiplier tubes. Energy range 59-167 keV. Materials: iron, aluminum, copper/zinc/lead shielding. Connectivity: DICOM interface. Power: mains and battery backup. Software: Windows Vista-based acquisition/processing package. Detector spatial resolution ≤ 3.7mm FWHM; energy resolution ≤ 9.4% @ Tc-99m.
Indications for Use
Indicated for examination and diagnosis of disorders and diseases in the thyroid gland, heart, and other small organs in patients requiring planar imaging of single photon emitting radioisotopes (59-167 keV).
Regulatory Classification
Identification
A scintillation (gamma) camera is a device intended to image the distribution of radionuclides in the body by means of a photon radiation detector. This generic type of device may include signal analysis and display equipment, patient and equipment supports, radionuclide anatomical markers, component parts, and accessories.
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Image /page/0/Picture/0 description: The image contains three stylized letter D's in a row. Each D is outlined with a thicker line, and has a smaller, rounded rectangle inside, creating a hollow effect. The D's are evenly spaced and appear to be part of a logo or design element.
**Diagnostic**
Danish Diagnostic Development A/S
# JUL 11 2008
Dr. Neergaards Vej 5F Scion DTD DK-2970 Hoersholm Denmark
June 10, 2008
## CapIMAGE Gamma Camera System
## 510(k) Summary" as required by section 807.92(c).
K68/879 Assigned 510(K) number:
#### Submitter Information. 1.
| Submitted by: | 3D, Danish Diagnostic Development A/S<br>Dr. Neergaardsvej 5F<br>2970 Horsholm, Denmark<br>Tel: +45 45 768888<br>Fax: +45 45 164659 |
|---------------|-------------------------------------------------------------------------------------------------------------------------------------|
|---------------|-------------------------------------------------------------------------------------------------------------------------------------|
Contact person:
Niels Sorensen QA manager. Tel: + 45 45 768888 Fax: + 45 45 164659 E-mail: nes@ddd-diagnostic.com Prepared: June 10, 2008
#### , 2. Device Information.
| Device: | |
|---------|--|
| | |
Device Trade Name: CapIMAGE Device Model number: 9THY1660 Common Name: · Gamma Camera Classification name: Scintillation Gamma Camera Classification: Class I. 892.1100
#### 3. Predicate Device Information.
| Predicate device: | Device Trade Name: CardioMD (initially Cardiocam). |
|-------------------|----------------------------------------------------|
| Product code: | 90-KPS |
| 510(K): | K011611 |
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#### Device Description. 4.
The CapIMAGE is a mobile Small Field of View (SFOV) gamma camera system utilizing a scintillation detector to detect gamma rays. The CapIMAGE is designed to be manually transported and deployed for scanning of patients in laying, sitting or standing positions. The system can operate powered from mains or from the internal battery source for at least 60 min.
### Functional.
Analog signals from the photo multiplier tubes are summed into position and energy signals and sent to the camera console digitization and correction. The corrected data are hereafter send to a laptop PC located on top of the camera console, acting as a combined control and user interface to the system. Detector positioning is done using the persistence display mode on the PC, showing radioactive emission from the patient. The vertical detector positioning is motorised, all other positioning is done manually, using controls on the detector, including acquisition start and stop. The PC user interface (UI) enables the user to enter image acquisition parameters and to start and stop image acquisition. Following acquisition, images can be reviewed on the PC, processed and/or transferred to a peripheral device using DICOM
Performance characteristics.
| Energy range: | 59kev – 167kev |
|------------------------------------------|---------------------------|
| Detector UFOV: | Ø 210 mm (8.3") |
| Intrinsic Spatial Res.: | ≤ ± 3.7mm @ UFOV / FWHM |
| Energy Resolution: | ≤ 9.4% @ Tc-99m |
| Spatial Linearity: | ≤ ± 0.5mm @ UFOV |
| Flood Field Uniformity: | ≤ ± 2.7% @ UFOV Intrinsic |
| Intrinsic Uniformity, UFOV, Differential | < 1.5% |
| Count rate Performance: | >180k cps @ 20% loss |
| Spatial Resolution, FWHM, LEGP Tc-99m. | < 9.4mm |
#### Statement of Intended Use. પં
The CapIMAGE Gamma Camera System is intended to produce planar images depicting the anatomical distributions of single photon emitting radioisotopes in the human body within the energy range of 59kev to 167kev. The system provides software applications for processing, analyzing, and displaying medical images for interpretation by medical personnel.
The CapIMAGE Gamma Camera System is intended for examination (and diagnosis) of disorders and diseases in the thyroid gland, the heart and other small organs. The device is not interpretative. Data from the device are interpreted by medical personnel who, based on these, make the clinical diagnosis.
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The difference between the CapIMAGE and the CardioMD intended use is that the CardioMD includes cardiac SPECT, whereas the intended use of CapIMAGE includes planer cardiac imaging and planar imaging of other organs enabled by its single detector. CapIMAGE are considered to be substantial equivalent to the CardioMD device since they both perform planar imaging. Also, labelling of the CapIMAGE is substantially equivalent to the predicate device, providing the adequate directions for use and warnings, needed to ensure the safe effective use of the device.
#### Technological Characteristics. 6.
### Design:
The submitted device is a mobile gantry design supported on wheels. It includes a detector, supported by a horizontal arm, a laptop PC for image acquisition and processing and electronics. The submitted device has the same technological and functional characteristics as the predicate device. Both systems are gamma camera systems with detector technology based on the Anger principle and designed to perform acquisition of diagnostic images. However, the submitted device differs from the predicate device on the following:
- The CapIMAGE is a planar system (no automatic motions), whereas the CardioMD is a . tomography SPECT system.
- The CapIMAGE is a mobile system whereas the CardioMD is designed for permanent . installation.
- The CapIMAGE is a single detector system whereas the CardioMD is a dual detector system. .
- The CapIMAGE system includes no collision detection system whereas the CardioMD is . provided with collision sensors on the detector and collimators to protect the patient during automatic motions.
### Material:
Both the submitted and the predicate device utilize similar material including iron base structure, iron and aluminium plates and casted copper/zinc/lead structures where shielding is necessary.
### Energy source:
Both the submitted and the predicate device are supplied from mains supply. However, the submitted device includes battery backup power. The main purpose of this is to maintain power on the detector, for detector performance stability during manoeuvring.
### Patient Support:
Regarding patient support, the submitted device differs from the predicate device since the CaplMAGE system does not provide any support for the patient, whereas the predicate device supports the patient in a lying position during scanning.
### Detector:
The detector for the submitted and predicate device is mounted in a casted housing and both include a NaI crystal, photo multiplier tubes and electronics for analog and digital signal processing. Both devices utilize the same technology based on the Anger principle. However, the submitted device detector differs from the predicate device on the following:
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- The CapIMAGE detector has a circular field of view, whereas the CardioMD has a t . rectangular field of view.
- The CapIMAGE detector does not include any electronics for digitalisation and correction � (since this is located in the gantry and PC), whereas the CardioMD detector includes means for complete detector corrections within the detector.
- The CapIMAGE product includes only one detector, whereas the CardioMD includes two ● detectors in the same casting.
### Software:
The CapIMAGE is based on a Windows Vista PC platform, supporting a dedicated acquisition software package. The package consists of processing software, a graphical user interface including a patient database, and a DICOM interface for data transmission to external processing devices. The software does not include control for any automated detector or system motions. In addition to processing software, graphical UI, patient database and a DICOM interface, the predicate device includes software for setup and control of automated gantry motion during SPECT.
### Indication for use:
The CapIMAGE Gamma Camera System is intended to produce planar images depicting the anatomical distributions of single photon emitting radioisotopes in the human body within the energy range of 59kev to 167kev. The system provides software applications for processing, analyzing, and displaying medical images for interpretation by medical personnel. Both the submitted and the predicate device are designed for imaging the anatomical distributions of single photon emitting radioisotopes within the human body for interpretation by medical personnel. The predicate device is further designed for multi-slice imaging (SPECT).
### Performance:
Detector Specifications: The submitted and the predicate device have basically the same performance except difference in the field of view size.
Gantry Specifications: The major difference between the submitted and the predicate device is that the predicate device is designed for both planar and SPECT imaging whereas CapIMAGE are designed for planar imaging only. This allows the CapIMAGE gantry to be much simpler and lighter enabling manual transportation of the device.
#### Non-clinical Performance Data. 7.
The CapIMAGE performance characteristics have been tested in accordance with applicable standards for medical device during which the CapIMAGE has shown full compliance.
| Safety and effectiveness. | Compliance to all relevant parts of the UL 60601-1, IEC601-1,<br>IEC601-1-1 and IEC601-1-2 standards. |
|-----------------------------|-------------------------------------------------------------------------------------------------------|
| Performance specifications. | Compliance to all relevant parts of the NEMA NU 1-2001 standard. |
Based on these data it is concluded that the CapIMAGE provides effective results equivalent to those from the predicate device, the CardioMD.
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#### Clinical Performance Data. 8.
None.
#### 9. Conclusion.
The main intention of the CapIMAGE is to produce planar images of radioisotopes within the human body. As such the CapIMAGE can be concluded to be substantial equivalent to the predicate device. Data presented in this 510(k) submission demonstrate that the CapIMAGE system is as safe and effective and performs in a manner equivalent to the predicate device.
### 10. Any Other Information.
None.
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## DEPARTMENT OF HEALTH & HUMAN SERVICES
Image /page/5/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo is circular and contains the words "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" around the perimeter. Inside the circle is a stylized graphic of three human profiles facing to the right, with flowing lines representing hair or movement.
#### Public Health Service
Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850
## JUL 11 2008
Danish Diagnostic Development A/S % Mr. Casey Conry Senior Project Manager Underwriters Laboratories, Inc. 1285 Walt Whitman Road MELVILLE NY 11747
Re: K081829
Trade/Device Name: CapIMAGE Regulation Number: 21 CFR 892.1100 Regulation Name: Scintillation (gamma) camera Regulatory Class: I Product Code: IYX Dated: June 20, 2008 Received: June 27, 2008
Dear Mr. Conry:
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 udioons for use stated in the enclosure) to legally marketed predicate devices marketed in intentate. 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, Or to 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.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to such 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.
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#### Page 2
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); 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.
This letter will allow you to begin marketing your device as described in your Section 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Center for Devices and Radiological Health's (CDRH's) Office of Compliance at one of the following numbers, based on the regulation number at the top of this letter.
| 21 CFR 876.xxxx | (Gastroenterology/Renal/Urology) | 240-276-0115 |
|-----------------|----------------------------------|--------------|
| 21 CFR 884.xxxx | (Obstetrics/Gynecology) | 240-276-0115 |
| 21 CFR 892.xxxx | (Radiology) | 240-276-0120 |
| Other | | 240-276-0100 |
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97). For questions regarding postmarket surveillance, please contact CDRH's Office of Surveillance and Biometric's (OSB's) Division of Postmarket Surveillance at 240-276-3474. For questions regarding the reporting of device adverse events (Medical Device Reporting (MDR)), please contact the Division of Surveillance Systems at 240-276-3464. You may obtain other general information on your responsibilities under the Act from the Division of Small Manufacturers. International and Consumer Assistance at its toll-free number (800) 638-2041 or (240) 276-3150 or at its Internet address http://www.fda.gov/cdrb/industry/support/index.html.
Sincerely vours.
Nancy Brogdon
Nancy C. Brogdon Director. Division of Reproductive. Abdominal, and Radiological Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known): K DP / 829
Device Name: CapIMAGE.
Indications for Use:
The CapIMAGE Gamma Camera System is intended to produce planar images depicting the anatomical distributions of single photon emitting radioisotopes in the human body within the energy range of 59kev to 167kev. The system provides software applications for processing, analyzing, and displaying medical images for interpretation by medical personnel.
Prescription Use X (Part 21 CFR 801 Subpart D)
AND/OR
Over-The-Counter Use (21 CFR 801 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE OF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
(Posted November 13, 2003)
(Division Sign-Off) Division of Reproductive, Abdominal and Radiological Devices 510(k) Number __
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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.