K070400 · Litecure, LLC · ILY · Feb 28, 2007 · Physical Medicine
Device Facts
Record ID
K070400
Device Name
LC THERAPY, MODEL LCT-1000
Applicant
Litecure, LLC
Product Code
ILY · Physical Medicine
Decision Date
Feb 28, 2007
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 890.5500
Device Class
Class 2
Attributes
Therapeutic, 3rd-Party Reviewed
Indications for Use
LC Therapy, Model LCT-1000 is indicated for emitting energy in the infrared Spectrum to provide topical heating for the purpose of elevating tissue temperature for temporary relief of minor muscle and joint pain, muscle spasm, pain and stiffness associated with arthritis and promoting relaxation of the muscle tissue and to temporarily increase local blood circulation.
Device Story
LCT-1000 is a compact medical laser system for topical heating. System consists of a laser source, flexible optical fiber, and lightweight wand. Operator enables laser via touch-screen display and foot switch; operates in continuous or pulsed mode. Used in clinical settings by trained personnel. Output is infrared laser energy delivered to patient tissue. Healthcare provider uses device to elevate tissue temperature for pain relief and increased circulation. Benefits include temporary relief of muscle/joint pain and stiffness. Safety requires protective eyewear for all personnel and removal of reflective objects to prevent eye damage.
Clinical Evidence
Bench testing only. Device performance demonstrated compliance with generally accepted therapeutic heat performance specifications by producing tissue temperature levels consistent with literature and FDA-accepted standards.
Indicated for patients requiring topical heating for temporary relief of minor muscle/joint pain, muscle spasm, pain/stiffness from arthritis, muscle relaxation, and increased local blood circulation. Contraindications: pregnant females (abdominal/lumbosacral areas), children (epiphyseal lines), patients with pacemakers (thorax/over pacemaker), thyroid gland, ovaries, testicles, and patients on heat/light-sensitive medications.
Regulatory Classification
Identification
An infrared lamp is a device intended for medical purposes that emits energy at infrared frequencies (approximately 700 nanometers to 50,000 nanometers) to provide topical heating.
Special Controls
*Classification.* Class II (special controls). The device, when it is an infrared therapeutic heating lamp, is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 890.9.
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## 510(k) SUMMARY
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The Summary of Safety and Effectiveness on the LiteCure, LLC. LCT-1000 laser reflects data available and represented at the time the submission was prepared, but caution should be exercised in interpreting the data. The results of future studies and or tests may require alterations of the conclusions or recommendations set forth.
| Applicant | Brian Pryor<br>LiteCure, LLC<br>930 Old Harmony Road, Suite A<br>Newark, Delaware 19713 |
|-------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Telephone | 302-709-0408 |
| Facsimile | 302-709-0409 |
| Date | December 20, 2006 |
| Name | LC Therapy, Model LCT-1000 Laser |
| Classification | Infrared Lamp, 21 CFR 890.5500 |
| Predicate: | K-Laser Therapy Probe - Cleared under K050070 market clearance date May 25, 2005 ALT Laser, Model VTR 75 - Cleared under K031612 market clearance date December 11, 2003 |
| Description | LC Therapy, Model LCT-1000 Laser is a compact medical laser system.<br>The laser light delivery system consists of a flexible optical fiber threaded<br>through a lightweight wand. Activation occurs when the operator enables<br>the laser and presses the foot switch. Release the foot switch to deactivate<br>the laser. Depending on laser system configuration, the foot switch can<br>function as on/off switch. A touch-screen display panel allows the<br>operator to adjust or set laser output level. The laser can operate in<br>continuous wave mode or controlled pulse mode. |
| Intended Use | LC Therapy, Model LCT-1000 is indicated for emitting energy in the<br>infrared Spectrum to provide topical heating for the purpose of elevating<br>tissue temperature for temporary relief of minor muscle and joint pain,<br>muscle spasm, pain and stiffness associated with arthritis and promoting<br>relaxation of the muscle tissue and to temporarily increase local blood<br>circulation. |
| Contraindications | Do not apply infrared light to abdominal or lumbosacral points in pregnant females. Do not apply infrared light to the epiphyseal lines in children. Do not apply infrared light to the thorax or over the pacemaker itself in patients with pacemakers. Do not apply infrared light over the thyroid gland, ovaries and testicles. Do not apply infrared light to patients who are taking drugs that have heat or light sensitive contraindications, such as but not limited to certain types of steroids. |
| Warning | Warning: Use carefully. May cause serious burns. Do not use over sensitive skin areas or in the presence of poor circulation. The unattended use of LiteCure LCT-1000 device by children or incapacitated persons may be dangerous. NEVER look directly into the distal end of the optical fiber connected to an active laser device, direct the laser light directly into the eyes, or direct the laser beam at anything other than the area to be treated WITH or WITHOUT the appropriate laser-emission protective eyewear. Indirect or direct eye contact with the output beam or at scattered laser light from any reflective surfaces from the laser will cause serious damage, irreparable corneal and/or retinal damage, and possible blindness to one or both eyes. DO NOT allow any reflective object to fall into or obstruct the path of the laser energy produced by this device. Scattered or reflected laser energy can cause serious damage to eyes. The operator, all assistants, and the patient must remove all reflective objects (such as rings, metal watchbands, and jewelry) prior to treatment with this device. Indirect or direct eye contact with the output beam or at scattered laser light from any reflective surfaces from the laser will cause serious damage, irreparable corneal and/or retinal damage, and possible blindness to one or both eyes. DO NOT remove protective eyewear until the operator returns the laser device to Standby mode. DO NOT use the System Controls or performance of procedures other than those specified in this manual may result in hazardous radiation exposure. DO NOT attempt to gain access to any internal device component. THERE ARE NO USER-SERVICEABLE COMPONENTS inside this laser device. Doing so may cause serious and/or irreversible injury. AVOID THE USE of flammable solvents, anesthetics, oxidizing gases such as nitrous oxide (N 2O) and oxygen or endogenous gases The high temperatures produced in normal use of the laser equipment may ignite some material, for example cotton or wool, when saturated with oxygen. The solvents of adhesives and flammable solutions used for cleaning and disinfecting should be allowed to evaporate before the laser equipment is used. FAILURE TO COMPLY with all safety instructions and warnings may expose all participants to harmful levels of laser radiation and/or dangerous levels of electrical current. |
| Cautions: | Never allow untrained personnel to operate this advice unless directly supervised by a properly trained and experienced individual The protective eyewear supplied with this device has an optical density rating >5 in the 350nm~2000nm (see specification sheet) region. All personnel present during device operation must ware this eyewear. Contact LiteCure, LLC. at 302-709-0408 to purchase additional sets of protective eyewear for this device. Select a secure, properly equipped, and well-ventilated location in which to install and operate the laser. Place "Laser in use" signs at location entrances where people will use the LiteCure, LLC. laser device. Always put the laser in Standby mode or switch the device off prior to adjusting or preparing the wand or fiber optic. Never leave this device in the READY mode unattended. See the STANDBY to READY Mode in the Operations section of this manual. Remove the key from the device's key switch when not in use to prevent unauthorized and/or unqualified use of the device as well as inadvertent laser emissions. Turn the device off before relocating equipment in the same vicinity. Never press the foot switch without first verifying the safe orientation and proper positioning of the wand and distal end of the optical fiber and ensuring compliance to all safety precautions. During any laser procedure, do not allow any nonessential personnel into the treatment area. Never allow the untrained personnel to operate this device unless directly supervised by a properly trained and experienced individual. ALWAYS clean the SMA fiber tip before inserting into the SMA emission port. A dirty tip could result in damage to the unit. Federal law (USA) restricts this device to sale by or on the order of a physician. |
| Substantial<br>Equivalency<br>Information | According to non-clinical testing, the Litecure LCT 1000 system has the same intended uses, functional and performance characteristics as the predicate devices listed. The testing demonstrated compliance to the generally accepted therapeutic heat performance specifications by producing a level of tissue temperature reported in literature and accepted by the Food and Drug Administration. The identified differences were determined to be minor and do not raise any concerns regarding the overall safety and effectiveness of the device. |
| Technological<br>Characteristics | The device is subject to the following voluntary consensus standards: 21 C.F.R. § 1040.10 & 1040.11; IEC 60601-1; IEC 60601-1-2; IEC 60601-1-4; IEC 60601-2-22; IEC 61000-3-2; IEC 61000-3-3; and IEC 60825-1. |
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## 510(k) SUMMARY continued
The Summary of Safety and Effectiveness on the LiteCure, LLC. LC Therapy, Model LCT-1000 reflects data available and represented at the time the submission was prepared, but caution should be exercised in interpreting the data. The results of future studies and or tests may require alterations of the conclusions or recommendations set forth.
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## 510(k) SUMMARY continued
The Summary of Safety and Effectiveness on the LiteCure, LLC. LCT-1000 Laser reflects data available and represented at the time the submission was prepared, but caution should be exercised in interpreting the data. The results of fature studies and or tests may require alterations of the conclusions or recommendations set forth.
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Image /page/3/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo features a stylized eagle with its wings spread, and the text "DEPARTMENT OF HEALTH & HUMAN SERVICES.USA" is arranged in a circular pattern around the eagle. The eagle is black, and the text is in a smaller font size.
Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850
Litecure, LLC % Intertek Testing Services Mr. Neil E. Devine, Jr. 2307 East Aurora Road Unit B7 Twinsburg, Ohio 44087
FEB 2 8 2007
Re: K070400
Trade/Device Name: LC Therapy, Model LCT-1000 Regulation Number: 21 CFR 890.5500 Regulation Name: Infrared lamp Regulatory Class: II Product Code: ILY Dated: February 9, 2007 Received: February 12, 2007
Dear Mr. Devine:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration.
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.
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
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Page 2 - Mr. Neil E. Devine, Jr.
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 Office of Compliance at (240) 276-0115. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97). 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/cdrh/industry/support/index.html.
Sincerely yours,
Mark N. Melkerson
Melkerson Director Division of General, Restorative and Neurological Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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# Indication For Use
510(k) Number (if known): ____________________________________________________________________________________________________________________________________________________
LC Therapy, Model LCT-1000 Device Name: _ _______________________________________________________________________________________________________________________________________________________________
#### Indications For Use:
LC Therapy, Model LCT-1000 is indicated for emitting energy in the infrared Spectrum to provide topical heating for the purpose of elevating tissue temperature for temporary relief of minor muscle and joint pain, muscle spasm, pain and stiffness associated with arthritis and promoting relaxation of the muscle tissue and to temporarily increase local blood circulation.
X ____________________________________________________________________________________________________________________________________________________________________________ Prescription Use (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 IF NEEDED)
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.