The PAJUNK® Sono-Series Kits SonoLong, SonoLong Sono, PlexoLong Sono, StimuLong Sono, SonoLong NanoLine and SonoLong Curl Sono are intended for delivery of continuous conduction anesthesia and/ or analgesia of peripheral nerves for up to 72 hours. Continuous delivery for up to 72 hours is accomplished using the Polyamide indwelling catheter. Optionally an electrical stimulus may be applied to assist the physician pinpoint the area of application.
Device Story
Sono-Series Kits are single-use, sterile kits for continuous regional anesthesia and analgesia. Components include catheters, cannulas/needles, filters, syringes, and fixation devices. Cannulas feature 'CornerStone' technology for enhanced ultrasound visibility; catheters contain an inner coil for stability and ultrasound visibility. Used in clinical settings by physicians to gain tissue access for nerve blocks. Electrical stimulation may be applied via the cannula or catheter tip to assist in pinpointing the target nerve area. Output is the delivery of anesthetic/analgesic agents through the indwelling polyamide catheter for up to 72 hours. Benefits include improved ultrasound-guided placement and sustained pain management.
Clinical Evidence
No clinical data. Substantial equivalence is supported by bench testing, biocompatibility testing (ISO 10993-1), and validation of the sterilization process (EtO).
Technological Characteristics
Kits consist of polyamide catheters, cannulas, filters, and accessories. Features CornerStone technique for ultrasound visibility and internal catheter coils. Materials comply with ISO 10993-1. Sterilization via Ethylene Oxide (EtO) validated for 5-year shelf life. Electrical stimulation capability for nerve localization. No software or complex algorithms.
Indications for Use
Indicated for continuous conduction anesthesia and/or analgesia of peripheral nerves for up to 72 hours in patients requiring regional anesthesia or pain relief. Optional electrical stimulation may be used to assist in needle/catheter placement.
Regulatory Classification
Identification
An anesthesia conduction kit is a device used to administer to a patient conduction, regional, or local anesthesia. The device may contain syringes, needles, and drugs.
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Premarket Notification Submission 510(k)
K113188
MEDIZINTECHNOLOGIE
# Summary of Safety and Effectiveness
Date of Preparation: October 27th 2011
# Submitter Information/ production site:
Pajunk GmbH Karl-Hall-Strasse 01 78187 Geisingen Germany Fon: +49(0)7704-9291-586 Fax: +49(0)7704-9291-605 Establishment Registration Number: 9611612
## Contact:
Christian G. H. Quass Director Regulatory Affairs, Safety Official Patricia Weisbrod, Regulatory Affairs Fon: +49(0)7704-9291-586 Fax: +49(0)7704-9291-605 E-Mail: christian.quass@pajunk.com E-Mail: patricia.weisbrod@pajunk.com
# USA Contact:
PAJUNK MEDICAL SYSTEMS 6611 Bay Circle, Suite 100 Norcross, GA 30071 Phone: (770) 493 - 6832 ext.111 (678) 514 - 3388 Fax: (770) 330 - 2724 Cell: richard.fischer@pajunk-usa.com
# Contact
Richard Fischer MD President Fon: +01(0)770-493-6832 Ext 111 Fax: 678 5143388 E-Mail: Richard.fischer@pajunk-usa.com
| Device Information: | Contract Sterilizer: |
|-----------------------------------------|----------------------------------------------------------------------------------------------------------------------------------|
| Device Name: | Ethylene Oxide; |
| | External service provider, validated procedure. |
| Trade Names: | Sono-Series Kits (needles, catheters) |
| | SonoLong, SonoLong Sono, SonoLong Curl<br>Sono, StimuLong Sono, PlexoLong Sono,<br>SonoLong NanoLine |
| Components: | Kits consisting of catheter, cannula/needle,<br>filter, syringe, filter fixation device, adapter and<br>common hospital supplies |
| Availability: | The components are available separately; non<br>sterile, to be sterilized with EO for kit suppliers |
| Common Name: | SonoLong set, needles and catheters |
| Classification Name: | Anesthesia conduction kit |
| Classification Reference: | 21 CFR §868.5140, April 1, 2011 |
| 1st Subsequent Classification Name | Anesthesia conduction needle |
| 1st Subsequent Classification Reference | 21 CFR §868.5150, April 1, 2011 |
510(k) Sono-Series Kit
R&D Regulatory
Resp. HE Resp. CQ/PAW 2011/10/27
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Image /page/1/Picture/1 description: The image shows the logo for PAJUNK MEDIZINTECHNOLOGIE. The word "PAJUNK" is in large, bold, outlined letters at the top of the logo. Below that, in smaller letters, is the word "MEDIZINTECHNOLOGIE".
| 2nd Subsequent Classification Name | Anesthesia conduction catheter |
|-----------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 2nd Subsequent Classification Reference | 21 CFR §868.5120, April 1, 2011 |
| Product Code: | CAZ, BSP, BSO |
| Establishment Registration Number: | 9611612 |
| Regulatory Class: | II |
| Panel: | Anesthesiology |
| Predicate Devices: | 1) K033018 PAJUNK® StimuLong Plus Catheter sets<br>PAJUNK® GmbH Medizintechnologie, Geisingen<br>2) K013041 PAJUNK® PlexoLong Anaesthesia sets<br>PAJUNK® GmbH Medizintechnologie, Geisingen<br>3) K111374 PAJUNK® SonoPlex STIM SONO-SERIES CORNERSTONE TECHNIQUE,<br>PAJUNK® GmbH Medizintechnologie, Geisingen |
### Indications for use:
The PAJUNK® Sono-Series Kits SonoLong, SonoLong Sono, PlexoLong Sono, StimuLong Sono, SonoLong NanoLine and SonoLong Curl Sono are intended for delivery of continuous conduction anesthesia and/ or analgesia of peripheral nerves for up to 72 hours. Continuous delivery for up to 72 hours is accomplished using the Polyamide indwelling catheter. Optionally an electrical stimulus may be applied to assist the physician pinpoint the area of application.
## Device Description:
The PAJUNK® Sono-Series Kits are single use sterile and non-pyrogenic kits basically consisting of catheters and cannulas as well as of optional components like Adapter, syringe, filter, filter fixation device and common hospital supply; used to gain entry or puncture the tissue micil inter fination do no continuous regional anesthesia anesthesia and analgesia for pain relief.
An electrical stimulus may be applied to the tip of the cannula/ needle (former PlexoLong series) An Cleunoul caffinale may of the cather (former StimuLong series) via cable and connector to assist the physician pinpoint the area of application.
The Sono-Cannulas/ needles are standard cannulas/ needles (cleared by several PMNsubmissions) equipped with the CornerStone technique in order to significantly enhance ultrasound visibility.
The Sono-catheters are standard anaesthesia conducting catheters equipped with an inner coil (cleared by several PMN-submissions) in order to enhance ultrasound visibility and device stability/ ergonomical features.
This submission of a 510(k) merely is due to new brand names than to introduce new techniques or technologies.
510(k) Sono-Series Kit R&D
Regulatory
2011/10/27
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# Premarket Notification Submission 510(k)
Image /page/2/Picture/1 description: The image contains the word "PAJUNK" in a bold, sans-serif font. Below the word "PAJUNK" is the word "MEDIZINTECHNOLOGIE" in a smaller, sans-serif font. The words are stacked on top of each other, with "PAJUNK" being the larger and more prominent word.
#### Predicate Devices:
The components the Sono-Series Kits consist of are already cleared in the predicate devices ' 510(k) but now are assigned a new brand name.
Predicate devices with identical or at least partial identical indications of use are:
- 1) K033018 PAJUNK® StimuLong Plus Catheter sets, Manufacturer: PAJUNK® GmbH Medizintechnologie, Geisingen
- 2) K013041 PAJUNK® PlexoLong Anaesthesia sets, Manufacturer: PAJUNK® GmbH Medizintechnologie, Geisingen
- 3) K11374 PAJUNK® SonoPlex STIM SONO-SERIES CORNERSTONE TECHNIQUE, Manufacturer: PAJUNK® GmbH Medizintechnologie, Geisingen
The detailed discussion of substantial equivalence can be found in Section 12 of this submission.
#### Sterilization
The contract sterilizer and the sterilizing process are identical to the process and sterilizer used for all PAJUNK® - manufactured and purchased devices which are already cleared for market or exempt.
Neither Cornerstone-technique nor the coil inside the catheter do neither influence sterilization process nor shelf life properties.
Cleaning and Sterilization method, which ensures an SAL of 10° as well as compliance with limits for chemical burden, bioburden, pyroburden (i.e. LAL) and EtO-residuals as well as shelf life have been validated and are safe and effective.
Efficacy of sterile product's lifecycle has been validated for a period of 10 years now. Shelflife is set to 5 years.
#### Biocompatibility :
All cannulas comply with ISO 10993-1, 2nd and 3rd edition.
#### Technology Characteristics:
The components are listed in a table in section 11 of this submission. Shelf life and impact of r he components arrage on the devices has been proven and found to be safe and effective.
Each component shall be available separately, sterile and non-sterile, to be used with kit packaging in different configurations.
#### Conclusion:
The comparison between the predicate devices and the subject device in section 12 of this The companson between the products derilization process and the results of the bench testing and Submission as well as the validatou commoned devices are substantially equivalent (identical) to belien manting dominities the the technical description to devices already cleared for market and therefore demonstrated to be safe and effective.
Based on the clinical evaluation, the biocompatibility testing and the bench testing conducted, based on the cirincal evaluation, the firesty of the Cornerstonel Sono-technique is demonstrated for each type of kit.
2011/10/27
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# DEPARTMENT OF HEALTH & HUMAN SERVICES
Image /page/3/Picture/1 description: The image shows the seal of the Department of Health & Human Services USA. The seal features an abstract eagle design with three stylized lines forming the body and wings. The text "DEPARTMENT OF HEALTH & HUMAN SERVICES USA" is arranged in a circular pattern around the eagle.
#### Public Health Service
Food and Drug Administration 10903 New Hampshire Avenue Document Control Room -WO66-G609 Silver Spring, MD 20993-0002
Mr. Christian G. Quass Director Regulatory Affairs, Safety Official Pajunk GmbH Karl-Hall-Strasse 01 78187 Geisingen GERMANY
MAR - 1 2012
Re: K113188
Trade/Device Name: Sono-Series Kits for Anaesthesia / Analgesia Conduction Regulation Number: 21 CFR 868.5140 Regulation Name: Anesthesia Conduction Kit Regulatory Class: II Product Code: CAZ, BSP, BSO Dated: February 15, 2012 Received: February 21, 2012
Dear Mr. Quass:
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.
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# Page 2 - Mr. Quass
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 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/Resourcesfor You/Industry/default.htm.
Sincerely yours,
Anton D. avant
Anthony D. Watson, B.S., M.S., M.B.A. Director Division of Anesthesiology, General Hospital, Infection Control and Dental Devices Office of Device Evaluation Center for Devices and Radiological Health
# Enclosure
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# Indications for use
510(k) Number:
Device Name:
Brand name:
Sono-Series Kits for anaesthesia/ analgesia conduction SonoLong, SonoLong Sono, PlexoLong Sono, SonoLong Curi Sono, StimuLong Sono, SonoLong NanoLine
Indications for Use:
The PAJUNK® Sono-Series Kits SonoLong, SonoLong Sono, PlexoLong Sono, The 1 760Tht - Sono Sono Rits St.ine and SonoLong Curl Sono are intended for OtimaLong Ocher, Ochonomic on anesthesia and/ or analgesia of peripheral nerves denvery of ochtinuous conduction were for up to 72 hours is accomplished using the Polyamide indwelling catheter. Optionally an electrical stimulus may be applied to assist the physician pinpoint the area of application.
Prescription Use_ (Per 21 CFR 801.109) AND/OR
Over-The-Counter Use (21 CFR 801 Subpart C)
(Please DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
L. Schuttler
(Division Sign-Off) Division of Anesthesiology, General Hospital Infection Control, Dental Devices
510(k) Number: k113188
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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.
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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.
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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
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Reading rule for every project: how many summaries do you read in full?
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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.
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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.
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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.
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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.