O-ring gasket syringe with ENFit connector (single use or reusable) Oral/Enteral syringe with ENFit connector (single use or reusable)
Applicant
Jiangsu Caina Medical Co.,Ltd
Product Code
PNR · Gastroenterology, Urology
Decision Date
Sep 16, 2022
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 876.5980
Device Class
Class 2
Attributes
Therapeutic, Pediatric
Indications for Use
Single use O-ring gasket syringe with ENFit connector (provided sterile and non-sterile): The device is indicated for use as a dispenser, a measuring device and a fluid transfer device. It is used to deliver fluids into the body orally or enterally. It is intended to be used in clinical settings by users ranging from clinicians to laypersons in all age groups. Reusable O-ring gasket syringe with ENFit connector-(provided non-sterile): The device is indicated for use as a dispenser, a measuring device. It is used to deliver fluids into the body orally or enterally. It is intended to be used multiple times in non-clinical settings by users ranging from clinicians to laypersons in all age groups. The device is indicated for single patient use only.
Device Story
Manual feeding syringe; plastic hollow barrel with female ENFit connector (ISO 80369-3); plunger; O-ring piston. Available in 1ml to 60ml sizes; transparent or amber barrel; optional tip cap. Used in clinical/non-clinical settings by clinicians or laypersons for oral/enteral fluid delivery. Operates via manual plunger depression to dispense measured fluid volumes. Provides controlled fluid transfer; prevents contamination via ENFit interface. Benefits patient by ensuring accurate enteral dosing and secure connection to enteral access devices.
Clinical Evidence
No clinical data. Bench testing only. Verified via ISO 10993 (biocompatibility), ISO 7886-1 (sterile syringes), ISO 80369-3 (enteral connectors), and ASTM standards for packaging integrity. Dosing accuracy, cleaning instructions, and re-use cycle parameters were validated.
Technological Characteristics
Materials: Polypropylene, Silica gel, Polydimethylsiloxane. Manual piston syringe; female ENFit connector (ISO 80369-3). Sizes: 1ml-60ml. Sterilization: EtO (for sterile versions, SAL 10^-6). Connectivity: Mechanical interface (ENFit). No software/electronics.
Indications for Use
Indicated for oral or enteral fluid delivery in all age groups. Used as a dispenser, measuring device, and fluid transfer device in clinical and non-clinical settings by clinicians and laypersons. Reusable versions are for single-patient use only.
Regulatory Classification
Identification
A gastrointestinal tube and accessories is a device that consists of flexible or semi-rigid tubing used for instilling fluids into, withdrawing fluids from, splinting, or suppressing bleeding of the alimentary tract. This device may incorporate an integral inflatable balloon for retention or hemostasis. This generic type of device includes the hemostatic bag, irrigation and aspiration catheter (gastric, colonic, etc.), rectal catheter, sterile infant gavage set, gastrointestinal string and tubes to locate internal bleeding, double lumen tube for intestinal decompression or intubation, feeding tube, gastroenterostomy tube, Levine tube, nasogastric tube, single lumen tube with mercury weight balloon for intestinal intubation or decompression, and gastro-urological irrigation tray (for gastrological use).
Special Controls
*Classification.* (1) Class II (special controls). The barium enema retention catheter and tip with or without a bag that is a gastrointestinal tube and accessory or a gastronomy tube holder accessory is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 876.9.(2) Class I (general controls) for the dissolvable nasogastric feed tube guide for the nasogastric tube. The class I device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to § 876.9.
Predicate Devices
Oral/Enteral Syringes with ENFit® connector (12 mL to 60 mL) and Low Dose Tip Oral/Enteral Syringes with ENFit® connector (1 mL to 6 mL) (K183540)
Submission Summary (Full Text)
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September 16, 2022
Jiangsu Caina Medical Co., Ltd. Jianwei Pan Regulatory Affairs No. 23, Huanxi Road, Zhutang Town Jiangyin, Jiangsu 214415 China
Re: K222155
> Trade/Device Name: O-ring gasket syringe with ENFit connector (single use or reusable) Oral/Enteral syringe with ENFit connector (single use or reusable) Regulation Number: 21 CFR§ 876.5980 Regulation Name: Gastrointestinal Tube and Accessories Regulatory Class: II Product Code: PNR Dated: July 15, 2022 Received: July 20, 2022
Dear Jianwei Pan:
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. Although this letter refers to your product as a device, please be aware that some cleared products may instead be combination products. The 510(k) Premarket Notification Database located at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. 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.
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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 of medical device-related adverse events) (21 CFR 803) for devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatoryinformation/postmarketing-safety-reporting-combination-products); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to https://www.fda.gov/medical-device-safety/medical-device-reportingmdr-how-report-medical-device-problems.
For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medicaldevices/device-advice-comprehensive-regulatory-assistance) and CDRH Learn (https://www.fda.gov/training-and-continuing-education/cdrh-learn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (https://www.fda.gov/medical-device-advice-comprehensive-regulatoryassistance/contact-us-division-industry-and-consumer-education-dice) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
Shanil P. Haugen, Ph.D. Assistant Director DHT3A: Division of Renal, Gastrointestinal, Obesity and Transplant Devices OHT3: Office of GastroRenal, ObGyn, General Hospital and Urology Devices Office of Product Evaluation and Quality Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K222155
### Device Name
O-ring gasket syringe with ENFit connector (single use or reusable) Oral/Enteral syringe with ENFit connector (single use or reusable)
Indications for Use (Describe)
Single use O-ring gasket syringe with ENFit connector (provided sterile and non-sterile):
The device is indicated for use as a dispenser, a measuring device and a fluid transfer device. It is used to deliver fluids into the body orally or enterally. It is intended to be used in clinical settings by users ranging from clinicians to laypersons in all age groups.
Reusable O-ring gasket syringe with ENFit connector-(provided non-sterile):
The device is indicated for use as a dispenser, a measuring device. It is used to deliver fluids into the body orally or enterally. It is intended to be used multiple times in non-clinical settings by users ranging from clinicians to laypersons in all age groups. The device is indicated for single patient use only.
| Type of Use (Select one or both, as applicable) | |
|-------------------------------------------------|--|
|-------------------------------------------------|--|
× Prescription Use (Part 21 CFR 801 Subpart D)
× Over-The-Counter Use (21 CFR 801 Subpart C)
Form Approved: OMB No. 0910-0120
Expiration Date: 06/30/2023
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Image /page/3/Picture/2 description: The image shows the logo for CAINAmed. The logo consists of the word "CAINA" in large, blue, sans-serif letters, with a small green triangle above the "I" and the second "A". Below the word "CAINA" is the website address "www.cainamed.com" in a smaller, sans-serif font.
This 510(k) Summary is being submitted in accordance with requirements of Title 21, CFR Section 807.92.
The assigned 510(k) Number: K222155
- 1. Date of Preparation: July 08, 2022
- 2. Sponsor Identification
# Jiangsu Caina Medical Co., Ltd.
No.23, Huanxi Road, Zhutang Town, Jiangyin, Jiangsu, 214415, China
Establishment Registration Number: 3005670221
Contact Person: Jun Lu
Position: General Manager
Tel: +86-510-86205183
Fax: +86-510-86215183
Email: jun.lu(@cainamed.com
- 3. Designated Submission Correspondent
Mr. Jianwei pan (Primary Contact Person) Email: jianwei.pan@cainamed.com Ms. Tracy Gong (Alternative Contact Person) Email: tracy.gong(@cainamed.com Tel: +86-510-86866666-8027 Fax: +86-510-86866666-8009
- 4. Identification of Proposed Device
Trade Name: O-ring gasket syringe with ENFit connector (single use or reusable) Oral/Enteral syringe with ENFit connector (single use or reusable)
Regulatory Information
Classification Name: Gastrointestinal tube and accessories Produce Code Name: Enteral syringes with enteral specific connectors Classification: II Product Code: PNR Regulation Number: 21 CFR 876.5980 Review Panel: Gastroenterology/Urology 1 / 6
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Image /page/4/Picture/2 description: The image shows the logo for CAINAmed. The logo consists of the word "CAINA" in blue, with a green triangle in the middle of the A's. Below the word "CAINA" is the website address "www.cainamed.com".
Indications for Use Statement:
Single use O-ring gasket syringe with ENFit connector (provided sterile and non-sterile): The device is indicated for use as a dispenser, a measuring device and a fluid transfer device. It is used to deliver fluids into the body orally or enterally. It is intended to be used in clinical and nonclinical settings by users ranging from clinicians to laypersons in all age groups.
Reusable O-ring gasket syringe with ENFit connector (provided non-sterile):
The device is indicated for use as a dispenser, a measuring device and a fluid transfer device. It is used to deliver fluids into the body orally or enterally. It is intended to be used multiple times in non-clinical settings by users ranging from clinicians to laypersons in all age groups. The device is indicated for single patient use only.
#### ર. Device Description
The proposed device is manual feeding syringe, used as a dispenser, a measuring device, and a fluid transfer device. And it is used to deliver fluids into the body orally or enterally in clinical and non-clinical settings.
There are 2 types of connector for proposed device: Low dose tip ENFit connector(1ml to 6ml) and Standard ENFit connector(12ml to 60ml). The proposed device is standard piston syringe consisting of a plastic hollow barrel with female ENFit connector of ISO 80369-3, plunger, 0-ring piston, Connector of 1ml and 3ml syringe situated centrally, connector of other syringe situated eccentrically. All connectors are compatible only with enteral access or accessories having male ENFit connector of ISO 80369-3. The proposed syringes are available in transparent barrel and amber barrel.
The proposed device is provided sterile or non-sterile, single use or reusable. The sterile device is sterilized by Ethylene Oxide Gas (EtO) to achieve a SAL of 106 and supplied sterility maintenance package which could maintain the sterility of the device during the shelf life. The reusable device is for single patient use only.
The proposed device is made with polypropylene and Silica gel. No DEHP, BPA and Natural Rubber Latex are added in the proposed device. The proposed device also has an optional syringe tip cap.
- న్. Identification of Predicate Device
Predicate Device 510(k) Number: K183540 Product Name: Oral/Enteral Syringes with ENFit® connector (12 mL to 60 mL) and Low Dose Tip Oral/Enteral Syringes with ENFit® connector (1 mL to 6 mL)
- 6. Non-Clinical Test Conclusion
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Image /page/5/Picture/2 description: The image shows the logo for CAINA. The logo is blue and green. The text "www.cainamed.com" is below the logo.
Non-clinical tests were conducted to verify that the proposed device met all design specifications as was Substantially Equivalent (SE) to the predicate device. The test results demonstrated that the proposed device complies with the following standards:
- ISO 10993-7:2008 Biological evaluation of medical devices Part 7: Ethylene oxide sterilization > residuals, AMENDMENT 1: Applicability of allowable limits for neonates and infants (2019)
- > ISO 10993-5:2009 Biological evaluation of medical devices- Part 5: Test for in vitro cytotoxicity
- > ISO 10993-6:2016 Biological evaluation of medical devices -- Part 6: Tests for local effects after implantation
- > ISO 10993-10:2010 Biological evaluation of medical devices - Part 10: Tests for irritation and skin sensitization
- > ISO 10993-11:2017 Biological evaluation of medical devices -- Part 11: Tests for systemic toxicity
- > USP-NF <151> Pyrogen Test
- > ASTM F1929-15 Standard test method for detecting seal leaks in porous medical packaging by dye penetration.
- > ASTM F88/F88M-21 standard method for seal strength of flexible barrier materials
- > ASTM F1886/F1886M-16 Standard Test Method for Determining Integrity of Seals for Flexible Packaging by Visual Inspection
- > USP-NF <85> Bacterial Endotoxins Test
- > ISO7886-1:2017 Sterile hypodermic syringes for single use - Part 1: Syringes for manual use
- ♪ ISO80369-3:2016 Small-bore connectors for liquids and gases in healthcare applications - Part 3: Connectors for enteral applications
- A ISO80369-20:2015 Small-bore connectors for liquids and gases in healthcare applications - Part 20: Common test methods
In addition, the following verification or testing is performed to meet the stated performance requirements:
- > Microbial Enumeration and Specified Microorganisms Tests report
- A Cleaning instructions verification
- A Re-use cycle parameters study
- ♪ Microbial study in simulation using
- A Risk assessment in accordance to ISO 14971
- > Dosing Accuracy Testing
- 7. Clinical Test Conclusion
No clinical study is included in this submission.
- 8. Substantially Equivalent (SE) Comparison
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Image /page/6/Picture/2 description: The image shows the logo for CAINA. The logo is blue and green. The text "CAINA" is in blue, with a green triangle in the middle of the "A"s. Below the text "CAINA" is the website address "www.cainamed.com".
| ITEM | Proposed Device | Predicate Device K183540 | Comment |
|------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------|
| Product code | PNR | PNR | Same |
| Regulation No. | 21 CFR 876.5980 | 21 CFR 876.5980 | Same |
| Regulation Name | enteral syringes with enteral specific connectors | enteral syringes with enteral specific connectors | Same |
| Regulation Class | II | II | Same |
| Indications for use | Single use O-ring gasket syringe with<br>ENFit connector (provided sterile and<br>non-sterile):<br>The proposed device is indicated for<br>use as a dispenser, a measuring device<br>and a fluid transfer device. It is used<br>to deliver fluids into the body orally<br>or enterally. It is intended to be used<br>in clinical and non-clinical settings by<br>users ranging from clinicians to<br>laypersons in all age groups.<br>Reusable O-ring gasket syringe with<br>ENFit connector (provided<br>non-sterile):<br>The proposed device is indicated for<br>use as a dispenser, a measuring device<br>and a fluid transfer device. It is used<br>to deliver fluids into the body orally<br>or enterally. It is intended to be used<br>multiple times in non-clinical settings<br>by users ranging from clinicians to<br>laypersons in all age groups. The<br>device is indicated for single patient<br>use only. | Single Use Oral/Enteral Syringes<br>with ENFit Connector (provided<br>sterile and non-sterile): The device<br>is indicated for use as a dispenser, a<br>measuring device and a fluid<br>transfer device. It is used to deliver<br>fluids into the body orally or<br>enterally. It is intended to be used in<br>clinical and non-clinical settings by<br>users ranging from clinicians to<br>laypersons in all age groups.<br>Reusable Oral/Enteral Syringes with<br>ENFit Connector (provided<br>non-sterile): The device is indicated<br>for use as a dispenser, a measuring<br>device and a fluid transfer device. It<br>is used to deliver fluids into the<br>body orally or enterally. It is<br>intended to be used multiple times in<br>non-clinical settings by users<br>ranging from clinicians to<br>laypersons in all age groups. The<br>device is indicated for single patient<br>use only. | Same |
| Configuratio<br>n | Piston (gasket type);<br>Plunger;<br>Barrel with integral ENFit connector;<br>Tip cap(optional) | Gasket;<br>Plunger;<br>Barrel with integral ENFit connector | See<br>Comment<br>1 |
| Product Size | Low dose tip ENFit connector<br>Syringe: 1ml, 3ml, 6ml<br>Standard ENFit connector Syringe: | Low dose tip ENFit connector<br>Syringe: 1ml to 6ml<br>Standard ENFit connector Syringe: | Same |
| | 12ml, 20ml, 35ml, 60ml | 12ml- 60ml | |
| Material | Polypropylene | Polypropylene | See<br>Comment<br>2 |
| | Silica gel | Silicone | |
| | Polydimethysiloxane | Polydimethylsiloxane | |
| | Purple color additive | White Colorant | |
| Expiration<br>Date | 5 years | 3 years | See<br>Comment<br>3 |
| Sterile | Sterile and non-sterile | Sterile and non-sterile | Same |
| Sterile<br>method | EtO Sterilized(only sterile device) | EtO Sterilized(only sterile device) | Same |
| SAL | 10 -6(only sterile device) | 10 -6(only sterile device) | Same |
| Single use | Single use or single patient use | Single use or single patient use | Same |
| User<br>population | From clinicians to laypersons(Rx and<br>OTC) | From clinicians to laypersons(Rx<br>and OTC) | Same |
| Patient<br>population | In all age groups | In all age groups | Same |
| Environment<br>of Use | clinical and non-clinical settings | clinical and non-clinical settings | Same |
| Performance<br>Testing | Complied with:<br>ISO 80369-3;<br>ISO 7886-1; | Complied with:<br>ISO 80369-3;<br>ISO 7886-1; | Same |
| | Biocompatibility | Acute systemic toxicity<br>ISO 10993-11:2017 Third edition | |
| Implantation<br>ISO 10993-6:2016 Third edition | | | |
| Cytotoxicity<br>ISO 10993-5:2009 Third edition | | Cytotoxicity: ISO 10993-5; | |
| Irritation<br>ISO 10993-10:2010 Third edition | | Irritation and Sensitization: ISO<br>10993-10; | |
| Pyrogen<br>USP <151> USP- NF2017 | | Acute systemic toxicity: ISO<br>10993-11; | |
| Sensitization<br>ISO 10993-10:2010 Third edition | | | |
| Subacute toxicity<br>ISO 10993-11:2017 Third edition | | | |
Table 1 Comparison of Technology Characteristics with K183540
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Image /page/7/Picture/1 description: The image shows the logo for CAINA. The logo consists of the word "CAINA" in blue, with a green triangle in the middle of the "A". Below the word "CAINA" is the website address "www.cainamed.com" in a smaller font. The logo is simple and clean, and the colors are bright and eye-catching.
### Comment 1
The optional tip cap is used to prevent fluid loss and contamination of syringe contents until ready for use. This added cap does not affect substantially equivalence on safety and effectiveness.
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Image /page/8/Picture/2 description: The image shows the logo for CAINAmed. The logo consists of the word "CAINA" in blue, with a green triangle in the middle of the "A"s. Below the word "CAINA" is the website address "www.cainamed.com".
#### Comment 2
Differences in materials between the predicate and subject device were addressed through Biocompatibility test.
### Comment 3
The expiration date for the proposed device is different from predicate device. The proposed devices have been performed 5 years accelerated aging and demonstrated that the aged samples also complied with the requirements of ISO7886-1 and ISO 80369-3. The ability of immediate package of the proposed device to maintain the device in a sterile state for a period of 5 years has been validated in accordance with ASTM F1886/F1886M-16, ASTM F88/F88M-21, ASTM F1929-15. Therefore, this expiration date difference does not affect substantially equivalence on safety and effectiveness.
#### Comment 4
The biocompatibility for the proposed device is different from predicate device. The contact duration for the proposed device is stated up to 14 day. According to guidance, Use of International Standard ISO 10993-1 "Biological evaluation of medical devices-Part 1: Evaluation and testing within a risk management process", the Pyrogen test, Subacute Systemic Toxicity test, Implantation test are added for evaluation endpoint and meet the requirements of biocompatibility.
#### 9. Substantially Equivalent (SE) Conclusion
Based on the comparison and analysis above, the proposed devices are determined to be Substantially Equivalent (SE) to the predicate device. The nonclinical testing demonstrates that the proposed device is as safe, as effective, and performs as well as the predicate device.
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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.