K113312 · Patrin Pharma · FQH · Aug 21, 2012 · General Hospital
Device Facts
Record ID
K113312
Device Name
HY-CHLO(TM)WOUND SCRUB
Applicant
Patrin Pharma
Product Code
FQH · General Hospital
Decision Date
Aug 21, 2012
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 880.5475
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
OTC HyChlo™ Wound Solution is intended for removal of foreign objects such as dirt, for cleansing of minor cuts, lacerations, abrasions and wounds. Professional Use HyChlo™ Wound Solution is intended to be used under the supervision of healthcare professional in cleansing of acute, chronic and/or open wounds such as Stage I-IV pressure ulcers, diabetic foot and leg ulcers, surgical wounds, first and second degree burns and grafted and donor sites.
Device Story
Hy-Chlo™ Wound Solution is an aqueous, clear, colorless solution containing 0.125% sodium hypochlorite (preservative) and sodium bicarbonate (pH modifier). Supplied in HDPE bottles, the solution is dispensed to provide a mechanical lavage force of 8.0 psi to remove foreign objects and debris from wounds. Used in clinical settings (hospitals, nursing homes, surgery centers, wound clinics) by healthcare professionals or as an OTC product for minor wounds. The solution acts as a cleanser; the mechanical force facilitates debris removal. Benefits include effective wound cleansing without inhibiting the natural healing process, as demonstrated in porcine models. The device is intended for external use only.
Clinical Evidence
No human clinical trials provided. Evidence consists of bench and animal studies. In vitro: ISO 10993-5 cytotoxicity testing showed moderate reactivity. In vivo: Porcine dermal abrasion study (n=unspecified) over 14 days showed no inhibition of healing compared to untreated sites. Rabbit dermal irritation study (4h/24h exposure) showed minimal irritation clearing within 72 hours. Guinea pig sensitization study showed no sensitization. Preservative efficacy testing (USP protocol) confirmed effectiveness against S. aureus, E. coli, P. aeruginosa, C. albicans, MRSA, and A. Brasiliensis. Mechanical force testing confirmed 8.0 psi (SD 0.7) output.
Indicated for removal of foreign objects (dirt) and cleansing of minor cuts, lacerations, abrasions, and wounds (OTC). Indicated for professional use in cleansing acute, chronic, and open wounds including Stage I-IV pressure ulcers, diabetic foot/leg ulcers, surgical wounds, first/second degree burns, and grafted/donor sites.
Regulatory Classification
Identification
A jet lavage is a device used to clean a wound by a pulsatile jet of sterile fluid. The device consists of the pulsing head, tubing to connect to a container of sterile fluid, and a means of propelling the fluid through the tubing, such as an electric roller pump.
Special Controls
*Classification.* Class II (special controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to § 880.9.
Submission Summary (Full Text)
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## 510 (K) Summary of Hy-Chlo™ Wound Solution
AUG 2 1 2012
| 510(K) Summary | This summary of 510(K) safety and effectiveness information<br>is being submitted in accordance with the requirements of 21<br>CFR §807.92. |
|------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Submitter Company | Patrin Pharma, Inc<br>P.O. Box 1481<br>7817 Babb Avenue, Suite 103<br>Skokie, IL 60076-1481 |
| Contact | Jay S. Trivedi<br>Director, New Products<br>Tel: (847) 644-1321<br>Fax: 800-936-3088<br>Email: |
| Date Prepared | November 8th, 2011 |
| Device Trade/Brand Name | Hy-Chlo™ Wound Solution |
| Device Common Name | Wound Solution, |
| Classification Name | Dressing, Wound, Drug |
| Device Classification | Jet Lavage |
| Product Code Proposed | FQH |
| Device Description | Hy-Chlo™ Wound Solution is an aqueous, clear, colorless<br>solution that cleans open wounds. The solution delivers<br>sodium hypochlorite as a preservative with sodium<br>bicarbonate as a pH modifier. Hy-Chlo™ Wound Solution<br>will be supplied in heat sealed, impervious, mold extruded<br>HDPE bottles. A permanent affixed label will be on each<br>bottle. |
| Indications for Use | |
| OTC | Hy-Chlo™ Wound Solution is intended for removal of foreign<br>objects such as dirt, for cleansing of minor cuts, lacerations,<br>abrasions and wounds. |
| Professional Use | Hy-Chlo™ Wound Solution is intended to be used under the<br>supervision of healthcare professional in the cleansing of<br>acute, chronic and/or open wounds such as Stage I-IV<br>pressure ulcers, diabetic foot and leg ulcers, surgical wounds,<br>first and second degree burns and grafted and donor sites. |
| General use conditions | Hy-Chlo™ Wound Solution is to be used for patients with<br>acute or chronic wounds generally in an attended healthcare<br>setting such as acute and non-acute care hospitals, nursing<br>homes, surgery centers, emergency rooms and wound clinics |
| Manufacturing and<br>Performance Testing | Hy-Chlo™ Wound Solution will be manufactured in USA in<br>an FDA inspected facility inspected as recently as 2011. The<br>manufacturing and testing will be performed under cGMP<br>(Current Good Manufacturing Practices) and Good<br>Laboratory Practices (GLP) guidance and according to |
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Laboratory Practices (GLP) guidance and according to specifications set per current United States Pharmacopia (USP). Manufacturing practices incorporate a QbD (quality by design) analysis that addresses all critical parameters for consistent and measurable product quality that meets or exceeds established specifications. A testing regimen and associated release specifications have been established per USP (United States Pharmacopeia) to meet Hy-Chlo™ Solution testings. All production batches are tested prior to release to insure product meets established specifications and is safe and effective for its intended use. Pre-marketing stability studies have been performed to demonstrate continued stability and efficacy of the product for the claimed shelf life. Ongoing performance and stability studies are planned for continued monitoring.
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:
## Device Description
. .
| | Proposed |
|-----------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Devices | Hy-Chlo™ Wound Solution |
| Indications of<br>Use | OTC: Hy-Chlo™ Wound Solution is intended for removal of foreign<br>objects such as dirt and for cleaning of minor cuts, lacerations,<br>abrasions and wounds. |
| | Professional Use:<br>Hy-Chlo™ Wound Solution is intended to be used under the supervision<br>of healthcare professional for removal of foreign objects such as dirt and<br>for cleaning of minor cuts, lacerations and abrasions. |
| Dispensing | OTC |
| General Use<br>Conditions | Patients with acute or chronic wounds generally in an attended<br>healthcare setting such as acute and non-acute care hospitals, nursing<br>homes, surgery centers, emergency rooms and wound clinics |
| Ingredients | Purified Water, Sodium Bicarbonate, Sodium Hydroxide, Sodium<br>Hypochlorite 0.125% weight/volume |
| pH | 9-11 |
| Organoleptic<br>properties | Mild Chlorine odor; colorless |
| Non-Clinical<br>Performance | Shelf life- 1 year and will be extended up to 2 years with real time data. |
| Manufacturing | Manufacturing under cGMP in a FDA inspected plant and testing<br>performed under GLP. |
| Warnings | • For External Use Only<br>• Keep out of reach of children<br>• If swallowed, contact Poison Center or seek immediate medical<br>attention<br>• If redness, swelling, irritation or pain appears or increases, contact<br>doctor immediately<br>• Do not use if sensitive to chlorine |
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#### Testing Summary:
Overall, in vivo studies conducted demonstrate that Hy-Chlo™ wound solution (0.125% sodium hypochlorite) is safe, non-irritant and non- sensitizer and did not inhibit the healing process. Hy-Chlo wound solution is also effective mold, yeast and S. aureus, E. coli, P. aeruginosa, C. albicans, S. aureus (MRSA), A. Brasiliensis. Testing also confirmed that Hy-Chlo™ wound solution delivers the required force to remove dirt and foreign objects from the wound.
In-vitro study was conducted under ISO 10993 with Mammalian cell line (L-929) with Hv-Chlo Wound solution, 0.125%. Based on the grading criteria in ANSI/AAMI/ISO 10993-5:2009, Hy-Chlo™ Wound solution, 0.125% had a moderate reactivity for cytotoxicity per qualitative evaluation of the cells exposed. However, a follow up in vivo study conducted to study wound healing in young adult pigs, the results clearly show that Patrin Pharma's Sodium Hypochlorite solution, 0.125% did not inhibit the normal healing process (see below).
In vivo, acute dermal abrasion study was conducted in the dorsal area of voung adult pigs over 14 days. Each animal wound was treated every day with 1 ml of Hy-Chlo™ Wound Solution (0.125% Sodium Hypochlorite solution) for 14 days. Each animal was observed every day for healing process and compared with the untreated site. Daily treatment of the abraded sites with Sodium Hypochlorite solution (0.125%) did not inhibit the healing process when compared with untreated abrasion sites. Local infection was not observed.
In-vivo study was conducted in rabbits for dermal irritation with Hy-Chlo wound solution for 4 hours and 24 hours exposure. The results indicated that with 4 hour contact exposure in abraided skin, there was minimal irritation with the irritation clearing within 24 hours. For 24 hours of contact exposure to abraded skin, there was minimal irritation with the irritation clearing up within 72 hours. No skin irritation reactions were observed in the unabraded sites. Thus, in accordance with the OPPTS Guidelines, Hy-Chlo™ Wound Solution, 0.125% would not be considered to be a dermal irritant.
In-vivo study conducted in guinea pigs for sensitization clearly demonstrated that sensitization of naïve group was not significantly different indicating that there was no sensitization.
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Preservative testing was conducted for Hy-Chlo™ Wound Solution (0.125%) using USP protocol. The microorganisms tested were S. aureus, E. coli, P. aeruginosa, C. albicans, S. aureus (MRSA), A. Brasiliensis, mold and yeast. Results clearly indicate that Hy-Chlo™ wound Solution is effective against all of the organisms.
Hy-Chlo™ wound solution was used to estimate the maximum force at the site of administration. The purpose of the study was to measure the forces and estimate the maximum pressure exerted at the site of contact by a plume of Hy-Chlo wound solution that is expelled from the container. It is important that force generated is sufficient to be able to remove dirt and foreign objects from the wound. The results indicate that force generated was 8.0 psi (sd 0.7). The force is well within the typical ranges of 4-15 psi for such applicators.
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Image /page/5/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo consists of a stylized eagle or bird-like symbol with three curved lines representing its body and wings. The text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" is arranged in a circular fashion around the bird symbol.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Room -WO66-G609 Silver Spring, MD 20993-0002
Patrin Pharma, Incorporated % Mr. Jay S. Trivedi Director of New Products P.O. Box 1481 Skokie, Illinois 60076
AUG 2 1 2012
Re: K113312
Trade/Device Name: HyChlo™ Wound Solution Regulation Number: 21 CFR 880.5475 Regulation Name: Jet Lavage Regulatory Class: Class II Product Code: FOH Dated: July 30, 2012 Received: August 6, 2012
Dear Mr. Trivedi:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807): labeling (21 CFR Part 801); medical device reporting (reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set
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#### Page 2 - Mr. Jay S. Trivedi
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.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please go to http://www.fda.gov/AboutFDA/CentersOffices/CDRH/CDRHOffices/ucm115809.htm for the Center for Devices and Radiological Health's (CDRH's) Office of Compliance. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to
http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Small Manufacturers, International and Consumer Assistance at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours,
Sincerely yours,
Mark N. Melkerson
Director Division of Surgical, Orthopedic and Restorative Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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# 4. Indications for Use Statement
#### 510(k) Number: K113312
### Device Name: HyChlo™ Wound Solution
Indications for Use:
OTC
HyChlo™ Wound Solution is intended for removal of foreign objects such as dirt, for cleansing of minor cuts, lacerations, abrasions and wounds.
Professional Use
HyChlo™ Wound Solution is intended to be used under the supervision of healthcare professional in cleansing of acute, chronic and/or open wounds such as Stage I-IV pressure ulcers, diabetic foot and leg ulcers, surgical wounds, first and second degree burns and grafted and donor sites.
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 OM:ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
Daniel Krane for MM
(Division Sign-Off)
Division of Surgical, Orthopedic, and Restorative Devices
Page 1 of
510(k) Number K113312
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.