CONTINUOUS PERIPHERAL NERVE BLOCK CATHETER KIT AND SET
K121403 · Teleflex, Inc. · CAZ · Jun 20, 2012 · Anesthesiology
Device Facts
Record ID
K121403
Device Name
CONTINUOUS PERIPHERAL NERVE BLOCK CATHETER KIT AND SET
Applicant
Teleflex, Inc.
Product Code
CAZ · Anesthesiology
Decision Date
Jun 20, 2012
Decision
SESE
Submission Type
Special
Regulation
21 CFR 868.5140
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
Continuous nerve block kit and set permits placement of catheters next to nerves and nerve plexuses for continuous nerve block anesthesia or analgesia techniques for periods not exceeding 72 hours.
Device Story
Continuous Peripheral Nerve Block (PNB) Catheter Kit and Set facilitates placement of catheters near nerves/plexuses for continuous anesthesia/analgesia (up to 72 hours). Kit includes catheter with stylet, Anesthesia Conduction (AC) needle, and SnapLock connector. Used in hospitals, sub-acute facilities, pain clinics, and physician offices by clinicians. Device allows for either stimulating or non-stimulating procedures; clinician chooses whether to connect to a nerve stimulator. Ultrasound guidance may be used for catheter tip location. Output is the physical placement of the catheter, enabling continuous delivery of anesthetic agents. Benefits include sustained pain management for surgical or therapeutic procedures.
Clinical Evidence
No clinical data. Bench testing only; components are identical to previously cleared predicate devices.
Technological Characteristics
Catheter: 19-20 Ga, 30-90 cm length, stainless steel spring core with polyurethane outer jacket, echogenic. Needle: 17-18 Ga, 38-152 mm length. Components include SnapLock connectors for stimulation or non-stimulation. Sterile, single-use kit.
Indications for Use
Indicated for patients requiring peripheral nerve block procedures, including upper extremity, lower extremity, abdominal, and paravertebral locations. Contraindicated in patients with pre-existing nerve injury, neuritis, or plexitis. Relative contraindications include skin sepsis at the insertion site and systemic sepsis. Use with extreme care in patients with bleeding tendencies or those receiving anticoagulants.
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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Continuous Peripheral Nerve Block Catheter Kit and Set
Premarket Notification 510(k) Section 5 - 510(k) Summary
JUN 2 0 2012
Arrow International Inc. 2400 Bernville Road Reading, PA 19605
| Official Contact: | Paul Amudala<br>Regulatory Affairs Specialist |
|----------------------------|---------------------------------------------------------------------------|
| | Tel: 610-378-0131 |
| | Fax: 610-478-3179 |
| Proprietary or Trade Name: | Continuous Peripheral Nerve Block Catheter Kit and Set |
| Common/Usual Name: | Peripheral Nerve Block |
| Classification Name: | Product code - CAZ<br>CFR 868-5140 - anesthetic conduction kit<br>Class 2 |
| Predicate Devices: | Arrow - StimuCath™ - K030937 |
### Device Description:
The Arrow Continuous Peripheral Nerve Block Catheter set and kit is comprised of components and accessories which have already been cleared for the same indications for use under earlier 510(k)s.
This submission is intended to clarify that the catheter and the associated components and accessories, which we refer to as kits and sets, may be used for non-stimulating procedures. Many of the components and accessories of these kits and sets are already cleared for use in PNB stimulating procedures as well. It is the option of the clinician as to whether they would or would not use stimulation
A typical basic Peripheral Nerve Block ("PNB") set / kit includes the following components. The primary components of any PNB set or kit are:
- Catheter with stylet .
- Anesthesia Conduction ("AC") Needle ●
- SnapLock™ . ・
### Indications for Use:
Continuous nerve block kit and set permits placement of catheters next to nerves and nerve plexuses for continuous nerve block anesthesia or analgesia techniques for periods not exceeding 72 hours.
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### 510(k) Summary Page 2 of 6 07-May-2012
### Patient Population:
Patients requiring peripheral nerve block procedures including upper extremity, lower extremity, abdominal and paravertebral locations.
### Environment of Use:
The environment of use is - hospital, sub-acute facilities, pain clinics, physician offices
### Contraindications:
Pre-existing nerve injury, neuritis or plexitis are contraindications for use of continuous nerve or plexus blocks. These conditions should be considered prior to needle or catheter insertion. Skin sepsis in the area where the catheter placement is planned and systemic sepsis are relative contraindications. Extreme care should be taken in patients with bleeding tendencies or patients receiving anticoagulants.
### Discussion of Substantial Equivalence
The use of the Continuous Peripheral Nerve Block catheter kit and set for non-stimulating procedures is viewed as substantially equivalent to the predicate device because:
### Indications -
The proposed indications for use permits placement of catheters next to nerves and nerve plexuses for continuous nerve block anesthesia or analgesia techniques for periods not exceeding 72 hours are identical to predicate - K030937 - StimuCath™.
The use of the proposed PNB catheter for non-stimulating procedures is not new and the use of ultrasound to assist the clinician in catheter tip location and guidance is a common practice. The clinician may use the predicate device StimuCath™ as a non-stimulating catheter simply by not connecting it to a stimulator.
The clarification for non-stimulating use by the clinician does not change the cleared indications for use and does not introduce any new safety or efficacy concerns as compared to the predicates.
### Technology -
The components of the proposed device are identical to the predicates.
### Materials -
The materials are identical to the predicates.
K030937 - Arrow - StimuCathTM K021567 - Arrow - StimuCath™ K001587 - Arrow - Plastic Reinforced Epidural Catheter
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### 510(k) Summary Page 3 of 6 07-May-2012
### Environment of Use -
The proposed environments of use are identical to the predicate K030937. They are - hospital, sub-acute facilities, pain clinics, and physician offices.
### Patient Population -
It is for patients requiring peripheral nerve block procedures including upper extremity, lower extremity, abdominal and paravertebral locations
The patient population is identical to the predicate, K030937 - Arrow StimuCath™.
### Comparative Performance
The components are identical to the predicates and the proposed clarification of use for nonstimulating procedures does not change the safety or effectiveness of the device, thus no additional bench testing is required.
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# Premarket Notification 510(I
### 510(k) Summary
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| Substantial Equivalence Comparative Table | | |
|-------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Features | Proposed<br>PNB Catheter Kit / Set | Predicates<br>K030937 – StimuCath™ Continuous Nerve Block Set |
| Classification name | Anesthetic Conduction Kit | Anesthetic Conduction Kit |
| Product Code | CAZ<br>868.5140 | CAZ<br>868.5140 |
| Indications for use | Permits placement of catheters next to nerves and nerve<br>plexuses for continuous nerve block anesthesia or analgesia<br>techniques for periods not exceeding 72 hours | Permits placement of catheters next to nerves and nerve<br>plexuses for continuous nerve block anesthesia or<br>analgesia techniques for periods not exceeding 72 hours<br>(K030937) |
| Environment of Use | Hospital, sub-acute facilities, pain clinics, physician offices | Hospital, sub-acute facilities, pain clinics, physician offices<br>(K030937) |
| Patient Population | Patients requiring peripheral nerve block procedures<br>including upper extremity, lower extremity, abdominal and<br>paravertebral locations. | Patients requiring peripheral nerve block procedures<br>including upper extremity, lower extremity, abdominal and<br>paravertebral locations.<br>(K030937) The submission was silent on patient<br>population but the intended patient population are identical |
| Contraindications | Pre-existing nerve injury, neuritis or plexitis are<br>contraindications for use of continuous nerve or plexus<br>blocks. These conditions should be considered prior to | Pre-existing nerve injury, neuritis or plexitis are<br>contraindications for use of continuous nerve or plexus<br>blocks. These conditions should be considered prior to<br>needle or catheter insertion. Skin sepsis in the area where the<br>catheter placement is planned and systemic sepsis are<br>relative contraindications. Extreme care should be taken in<br>patients with bleeding tendencies or patients receiving<br>anticoagulants. |
| | needle or catheter insertion. Skin sepsis in the area where<br>catheter placement is planned and systemic sepsis are<br>relative contraindications. Extreme care should be taken in<br>patients with bleeding tendencies or patients receiving<br>anticoagulants. | |
| | | |
| | | Page 3 of 8<br>07-May-2012 |
| Features | | Predicates |
| Basic components | Proposed<br>PNB Catheter Kit / Set | K030937 – StimuCath™ Continuous Nerve Block Set<br>Catheter with stylet<br>Anesthesia Conduction ("AC") Needle<br>Snap Lock |
| | Catheter with stylet<br>Anesthesia Conduction ("AC") Needle<br>Snap Lock | Tunneler<br>(K030937) |
| Kit / Set Components | Numerous accessories or components may be included in a kit or set.<br>In all cases these have been cleared under previous 510(k) s<br>A partial list of typical kit or set components are:<br>Touhy Needle StatLock Drape<br>SteriStrips Skin Prep Pad Skin Prep Swab<br>Tegaderm Injection needles 18 G, 22 Ga, 25 Ga<br>Syringe: 3mL, 10 mL, 20 mL SharpsAway II<br>ChloraPrep Extension Tubing Marker<br>Lidocaine with or without epinephrine<br>Stopcock Gauze Towel<br>Filters Filter Straw | Numerous accessories or components may be included in a kit or set.<br>In all cases these have been cleared under previous 510(k) s<br>A partial list of typical kit or set components are:<br>Touhy Needle StatLock Drape<br>SteriStrips Skin Prep Pad Skin Prep Swab<br>Tegaderm Injection needles 18 G, 22 Ga, 25 Ga<br>Syringe: 3mL, 10 mL, 20 mL SharpsAway II<br>ChloraPrep Extension Tubing Marker<br>Lidocaine with or without epinephrine<br>Stopcock Gauze Towel<br>Filters Filter Straw |
| Component Design and Specifications | | |
| Catheter<br>Effective length | 30 cm to 90 cm | 30 cm to 90 cm (K030937) |
| Catheter Gauge | 19 Ga and 20 Ga | 19 Ga and 20 Ga (K030937) |
| Catheter Body material | Stainless steel spring core encased in a polyurethane outer jacketing | Stainless steel spring core encased in a polyurethane outer jacketing |
| Catheter Outer Jacket | Catheter is echogenic with ultrasound-guided techniques<br>White (19 Ga) and Blue (20 Ga) | Catheter is echogenic (K030937)<br>White (19 Ga) and Blue (20 Ga) (K030937) |
| Color | | |
| Printed along the length | Distal end printed with length markings to aid in depth determination | Distal end printed with length markings to aid in depth determination (K030937) |
| Exposed Length at Distal Tip | 5 mm (19 Ga) and 6 mm (20Ga) | 5 mm (19 Ga) and 6 mm (20Ga) (K030937) |
| | 07-May-2012 | |
| Features | Proposed<br>PNB Catheter Kit / Set | Predicates<br>K030937 – StimuCath™ Continuous Nerve Block Set |
| Stylet | Clip available if stimulating, but not required to be used, at election of clinician | Clip available if stimulating, but not required to be used, at election of clinician (K021567) |
| Anesthetic Conduction Needle | | |
| Needle Length | 38 mm to 152 mm | 38 mm to 152 mm (K030937) |
| Needle Gauge | 17 Ga and 18 Ga | 17 Ga and 18 Ga (K030937) |
| Needle Geometry | 5 mm (17 Ga) and 6 mm (18 Ga) | 5 mm (17 Ga) and 6 mm (18 Ga) (K030937) |
| Exposed Length -<br>Distal needle | 5 mm (17 Ga) and 6 mm (18 Ga) | 5 mm (17 Ga) and 6 mm (18 Ga) (K030937) |
| SnapLock™ | Connector for non-stimulating procedures | Connector for non-stimulating procedures (K001587) |
| Non-stimulation<br>connector | | |
| Stimulation connector | Integral wire<br>Connection Tab<br>Use of these SnapLock connectors do not require connection to a stimulator, this is only if the clinician wants to | Integral wire (K030937)<br>Connection Tab (K021567) |
| Materials | All materials in all components are identical to the predicates | K001587<br>K021567<br>K030937 |
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Premarket Notification 510(k)
Section 5 – 510(k) Summary
### 510(k) Summary
{5}------------------------------------------------
Premarket Notification 510(k)
Section 5 – 510(k) Summary
## 510(k) Summary
Page 6 of 6
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Image /page/6/Picture/0 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo consists of a circular seal with the text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" around the perimeter. Inside the circle is a stylized image of an eagle with its wings spread.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Room -WO66-G609 Silver Spring. MD 20993-0002
Mr. Paul Amudala Regulatory Affairs Specialist Teleflex Inc 2400 Bernville Road Reading, Pennsylvania 19605
JUN 2 0 2012
Re: K121403
Trade/Device Name: Continuous Peripheral Nerve Block Catheter Kit and Set Regulation Number: 21 CFR 868.5140 Regulation Name: Anesthesia Conduction Kit Regulatory Class: II Product Code: CAZ Dated: May 7, 2012 Received: May 21, 2012
Dear Mr. Amudula:
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. Amudula
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,
Nh for
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 Statement
K121403
510(k) Number:
(To be assigned)
Device Name:
Continuous Peripheral Nerve Block Catheter Kit and Set
Indications for Use:
Continuous nerve block kit and set permits placement of catheters next to nerves and nerve plexuses for continuous nerve block anesthesia or analgesia techniques for periods not exceeding 72 hours.
Prescription Use XX (Part 21 CFR 801 Subpart D)
or
Over-the-counter use (21 CFR 807 Subpart C)
Page 1 of 1
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
L. Shulton
(Division Sign-Off) Division of Anesthesiology, General Hospital Infection Control, Dental Devices
12121403 510(k) Number:
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.