DR Safety Syringe, Sterile Hypodermic needle for Single use
K212226 · Zhuhai DR Medical Instruments Co., Ltd. · MEG · Sep 29, 2021 · General Hospital
Device Facts
Record ID
K212226
Device Name
DR Safety Syringe, Sterile Hypodermic needle for Single use
Applicant
Zhuhai DR Medical Instruments Co., Ltd.
Product Code
MEG · General Hospital
Decision Date
Sep 29, 2021
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 880.5860
Device Class
Class 2
Attributes
Therapeutic, 3rd-Party Reviewed
Indications for Use
The DR Safety Syringe is used to inject fluids into or withdraw fluids from the body. In addition, the DR Safety Syringe is designed to aid in the prevention of needle stick injuries. The Sterile Hypodermic Needle for single use is intended for use with syringes and injection devices for general purpose fluid injection/aspiration.
Device Story
The DR Safety Syringe is a retractable, single-use, sterile piston syringe designed to prevent needle stick injuries. Available in 0.5ml, 1ml, 3ml, and 5ml volumes, it consists of a barrel, plunger, stopper, luer assembly, and needle. During operation, the healthcare professional performs fluid injection or withdrawal as with a standard syringe. Upon completion, the user fully depresses the plunger to engage the luer assembly/needle hub. Retracting the plunger pulls the adapter and attached needle into the barrel, where it is permanently secured and disabled. The device is then discarded in a sharps container. Used in hospital settings, the device provides visual confirmation of needle retraction, enhancing safety for the operator by mitigating accidental needle sticks.
Clinical Evidence
No clinical data. Bench testing only. Performance verified via ISO 7886-1, ISO 7886-4, ISO 7864, ISO 9626, and ISO 23908 standards, covering mechanical, physical, and chemical properties, sterility, and sharps injury prevention features.
Indicated for use by medical professionals and trained caregivers for general purpose fluid injection or aspiration in patients requiring such procedures.
Regulatory Classification
Identification
A piston syringe is a device intended for medical purposes that consists of a calibrated hollow barrel and a movable plunger. At one end of the barrel there is a male connector (nozzle) for fitting the female connector (hub) of a hypodermic single lumen needle. The device is used to inject fluids into, or withdraw fluids from, the body.
Sterile Hypodermic needle for Single use (K190002)
Submission Summary (Full Text)
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September 29, 2021
Zhuhai DR Medical Instruments Co., Ltd % Prithul Bom Most Responsible Person Regulatory Technology Services, LLC 1000 Westgate Drive, Suite 510k Saint Paul, Minnesota 55114
Re: K212226
Trade/Device Name: DR Safety Syringe, Sterile Hypodermic needle for Single use Regulation Number: 21 CFR 880.5860 Regulation Name: Piston syringe Regulatory Class: Class II Product Code: MEG, FMI Dated: July 15, 2021 Received: July 16, 2021
Dear Prithul Bom:
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
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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 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-regulatory-information/postmarketing-safety-reportingcombination-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 medical devices and radiation-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,
CAPT Alan M. Stevens Assistant Director DHT3C: Division of Drug Delivery and General Hospital Devices, and Human Factors 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)
Device Name DR Safety Syringe; Sterile Hypodermic needle for Single use
### Indications for Use (Describe)
The DR Safety Syringe is used to inject fluids into or withdraw fluids from the body. In addition, the DR Safety Syringe is designed to aid in the prevention of needle stick injuries.
The Sterile Hypodermic Needle for single use is intended for use with syringes and injection devices for general purpose fluid injection/aspiration.
| Type of Use (Select one or both, as applicable) | |
|------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------|
| <span style="text-decoration: overline;">X</span> Prescription Use (Part 21 CFR 801 Subpart D) | <span style="text-decoration: overline;">☐</span> Over-The-Counter Use (21 CFR 801 Subpart C) |
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# Section 3- 510(k) Summary
This 510(k) Summary is being submitted in accordance with the requirements of the guidance The 510(k) Program, 21 CFR 880.5860 and 21 CFR 880.5570.
510(k) Number: K212226
- 1. Date of Submission: August, 06, 2021
#### 2. Submitter
Zhuhai DR Medical Instruments Co., Ltd. Room 502, 5th Floor, Building C, No. 288, Airport East Road, Sanzao Town, Jinwan District,Zhuhai,519000,China Establishment Registration Number: Contact Person: Xu Jianhai Position: Management Representative Tel.:086-0756-7770668 Email: xujianhai@kdlchina.com
#### 3. Proposed Device
510(k) Number: K212226
Trade Name: DR Safety Syringe Review Panel: General Hospital Regulation Number: 21 CFR 880.5860 Classification name: Piston Syringe with Safety Syringe Regulation Class: Class II Product Code: Safety Syringe: MEG
Trade Name: Sterile Hypodermic needle for Single use Review Panel: General Hospital Regulation Number: 21 CFR 880.5570 Classification name: Syringe, Piston Regulation Class: Class II Product Code: Safety Syringe: FMI
#### 4. Predicate device
### a. Predicate device
510(k) Number: K092430 Product Name: InviroSnap Safety Syringe
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Review Panel: General Hospital Regulation Number: 21 CFR 880.5860 Classification name: Piston Syringe with Safety Syringe Regulation Class: Class II Product Code: MEG
### b. The Secondary Predicate Device
510(k) Number: K190002 Trade Name: Sterile Hypodermic needle for Single use Review Panel: General Hospital Regulation Number: 21 CFR 880.5570 Classification name: Syringe, Piston Regulation Class: Class II Product Code: FMF and FMI
#### 5. Device description
The DR Safety Syringe is a retractable type piston syringe, designed to aid in the prevention of needle stick injuries. This single-use, disposable syringe provided sterile and consists of the following components for 3ml and 5ml safety syringe: Barrel, Plunger, Stopper, Luer Assembly, hypodermic needle, Locking Ring and O-Ring.
0.5ml and 1ml safety syringe: Barrel, Plunger, Stopper, needle hub, needle tube, protective cap, Locking Ring and O-Ring
The DR Safety Syringe functions in a manner similar to standard syringes for fluid injection/withdrawal. After use, the health care professional fully depresses the plunger to engage the luer assembly/needle hub. Once the luer assembly/needle hub is engaged, pulling back the plunger causes the adapter and the attached needle to be withdrawn into the safety of the barrel. This retraction into the barrel of the syringe can be visually confirmed. Once this safety mechanism has been activated, the syringe is permanently disabled and the needle is completely secured within the barrel. Both the syringe and plunger are discarded in a Sharp's container.
The DR Safety Syringes are available for 0.5mL, 1mL, 3mL, 5mL.
The 0.5ml and 1ml DR Safety Syringes with fixed needle and 3ml, 5ml DR Safety Syringes 皿-2 Version 1
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with exchangeable needle are used to inject fluids into or withdraw fluids from the body. The
DR Safety Syringes are designed to aid in the prevention of needle stick injuries
#### 6. Indications for Use
DR Safety Syringe:
The DR Safety Syringe is used to inject fluids into, or withdraw fluids from, the body. In addition, the DR Safety Syringe is designed to aid in the prevention of needle stick injuries.
Sterile Hypodermic needle for Single use:
The Sterile Hypodermic Needle for single use is intended for use with syringes and injection devices for general purpose fluid injection/aspiration.
#### Substantially Equivalent comparison 7.
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| Item | Proposed Device | Predicate Device | Remark |
|------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------|
| | K212226(Traditional 510K) | K092430 (Traditional 510K) | |
| Manufacturer | Zhuhai DR Medical Instruments Co., Ltd. | INVIRO MEDICAL DEVICES, INC. | / |
| Product code | MEG | MEG | Same |
| DeviceClassification: | Class II, 21 CFR 880.5860 | Class II, 21 CFR 880.5860 | Same |
| Indications forUse | The DR Safety Syringe is used to inject fluids into or withdraw fluids from the body. In addition, the DR Safety Syringe is designed to aid in the prevention of needle stick injuries. | The InviroSnap Safety Syringe is used to inject fluids into, or withdraw fluids from, the body. In addition, the Inviro Snap Safety Syringe is designed to aid in the prevention of needle stick injuries. | Same |
| Principle ofOperation | After use, the plunger is fully retracted into the barrel providing protection against needle sticks, rendering the device unusable. | After use, the plunger is fully retracted into the barrel providing protection against needle sticks, rendering the device unusable. | Same |
| Environment ofuse | Hospital | Hospital | Same |
| Syringe Volume | 0.5ml, 1ml, 3ml, 5ml | 1ml, 3ml, 5ml, 10 ml, 20 ml | See comment 1 |
| Needle Gauge | 18G-30G | 20-23G, 25G, 28-30G | See comment 2 |
| Needle Wall | Regular Wall | Unknown | See comment 2 |
| DeviceConfiguration | Barrel, Plunger, Stopper, Luer Assembly; Hypodermic Needle/needle tube, needle hub, cap: Locking Ring and O-Ring | Barrel, Plunger, Stopper, Luer Assembly, Cannula, cap, Locking Ring and O-Ring | Similar |
| Tip type | Fixed needle and Luer Lock | Fixed needle and Luer Lock | Same |
| Material | Barrel, lunger, Locking Ring, Luer<br>Assembly(luer lock), Cap: PP<br>O-Ring: Silicone<br>Stopper: Polyisoprene rubber<br>Needle: Stainless steel:<br>Luer Assembly(Snap Ring): PE<br>Scale line: Ink, Quick-drying water:<br>Lubricant: Silicone oil, Thinning agent | Plunger, Barrel, Cap -Polypropylene<br>Stopper – Santoprene, Thermoplastic<br>Elastomer<br>Needle- Stainless steel | Comment 3 |
| Biocompatibility | • Cytotoxicity<br>• Sensitization Study<br>• Irritation Test/Intracutaneous Reactivity<br>• Systemic Toxicity Studies<br>• Haemolysis test<br>• Pyrogenicity<br>• Complement activity (C3a,SC5b-9) test<br>• In Vivo Thrombogenicity Test | • Cytotoxicity<br>• Sensitization Study<br>• Irritation Test/Intracutaneous Reactivity<br>• Systemic Toxicity Studies<br>• Haemolysis test | Similar, we conduct<br>more test than<br>predicate device,<br>and this difference<br>doesn't raise<br>different questions<br>of safety and<br>effectiveness. |
| Labeling | Complied with 21 CFR part 801 | Complied with 21 CFR part 801 | Same |
| Method of<br>supply | Sterile and single use | Sterile and single use | Same |
| Sterilization<br>Method | EO | EO | Same |
| Sterility<br>Assurance Level | 10-6 | 10-6 | Same |
# Table 1 Comparison of Technology Characteristics of Sterile Safety Syringe for Single Use
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Discussion of Technological characteristics
The following differences do not raise different questions of safety and effectiveness,
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### Comment 1
Differences in syringe volume between the predicate and subject device were addressed through ISO 7886-4 syringe performance testing.
### Comment 2
Differences in needle gauge, wall between the predicate and subject device were addressed through ISO 7864 and ISO 9626 needle performance testing.
Comment 3
Differences in materials between the predicate and subject device were addressed through ISO 10993-1 biocompatibility testing.
| Item | Proposed Device | The Secondary Predicate Device | Remark |
|------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------|
| | K212226(Traditional 510K) | K190002 (Traditional 510K) | |
| Manufacturer | Zhuhai DR Medical Instruments Co., Ltd. | Shanghai Kohope Medical Devices Co., Ltd | / |
| Product name | Sterile Hypodermic needle for Single use | Sterile Hypodermic needle for Single use | Same |
| Product code | FMI | FMI | Same |
| Device<br>Classification | Class II, 21 CFR 880.5570 | Class II, 21 CFR 880.5570 | Same |
| Indications for<br>Use | The Sterile Hypodermic Needle for single use<br>is intended for use with syringes and injection<br>devices for general purpose fluid<br>injection/aspiration. | The Sterile Hypodermic Needle for single use<br>is intended for use with syringes and injection<br>devices for general purpose fluid<br>injection/aspiration. | Same |
| Environment of<br>use | Hospital | Hospital | Same |
| Intended users | Medical professionals and trained care givers | Medical professionals and trained care givers | Same |
| Operation mode | For Manual Use Only, For<br>Single Use only | For Manual Use Only, For<br>Single Use only | Same |
| Configuration | Protective cap; Needle tube; Adhesives; Needle hub | Protective cap; Needle tube; Adhesives; Needle hub | Same |
| Material | Protective cap: PP<br>Needle tube: Stainless steel (SUS304)<br>Adhesives: Epoxy resin<br>Needle hub: PP | Protective cap: PP<br>Needle tube: Stainless steel (SUS304)<br>Adhesives: Epoxy resin<br>Needle hub: PP | Same |
| Needle Gauge | 18G,19G,20G,21G,22G,23G,24G,25G,<br>26G,27G,28G,29G,30G | 18G,19G,20G,21G,22G,23G,24G,25G,<br>26G,27G,28G,29G,30G | Same |
| Needle lengths | 16mm, 25mm, 38mm | 4 – 38 mm | See comment 1 |
| Needle Wall | Regular Wall | Regular wall, thin wall and extra thin wall | Similar |
| Needle Bevel | $17^{\circ}\pm 2^{\circ}$ | Long bevel, short bevel, ultra-treatment bevel | See comment 2 |
| Lubrication<br>Amount/cm2 | <0.25mg/cm2 | <0.25mg/cm2 | Same |
| Lubricant<br>composition | Silicone Oil | Silicone Oil | Same |
| Tip Configuration | Angle $27^{\circ}\pm 3^{\circ}$ | Unknown | See comment 2 |
| Needle Cover<br>Dimensions | L: 43±0.5mm, 54.5±0.5mm<br>OD: 8.3±0.1mm/5.8±0.1mm | Unknown | See comment 2 |
| Needle Cover<br>Color | Colorless | Unknown | See comment 3 |
| Delivery Accuracy | Complied with ISO 7864 | Complied with ISO 7864 | Same |
| Needle Cover<br>Strength | <15N | Complied with ISO 7864 | similar |
| Hub/Needle Bond<br>Strength | Min 11-69N | Min 11-69N | Same |
| Color-coded hub | Confirms to ISO6009 | Confirms to ISO6009 | Same |
| Labeling | Complied with 21 CFR part 801 | Complied with 21 CFR part 801 | Same |
| Method of supply | Sterile and single use | Sterile and single use | Same |
| Sterilization<br>Method | EO | EO | Same |
| Sterility<br>Assurance Level | 10-6 | 10-6 | Same |
### Table 2 Comparison of Technology Characteristics of Sterile Hypodermic Needle for Single Use
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Discussion of Technological characteristics
The following differences do not raise different questions of safety and effectiveness,
Comment 1: The predicate device includes additional needle length compared to the needles are tested in accordance with ISO 7864 and released in accordance with the standards compliance. This was verified by performance testing according to ISO 7864.
Comment 2: As to Needle Bevel, Tip Configuration, Needle Cover Dimensions, we can't get the information about predicate device. The needles are tested in accordance with ISO 7864 and released in accordance with the standards compliance. This was verified by performance testing according to ISO 7864.
Comment 3: Needle Cover for the proposed device is unpigmented, the colorless, we can't get the specific color of the predicate device' needle covers are tested in accordance with ISO 7864 and released in accordance with the standards compliance. This was verified by performance testing according to ISO 7864.
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### 8. The results of the comparison
DR Safety Syringe is substantially equivalent in indication for use, design, raw material, sterilization method to the predicate devices, InviroSnap Safety Syringe. The sterile hypodermic needle for the proposed device is substantially equivalent in indication for use, design, raw material, sterilization method to the predicate devices. The differences in raw material and needle between the devices do not raise new issues of safety and effectiveness.
### 9. Sterilization and Shelf Life
Sterilization and Shelf Life Testing were performed on the proposed device:
| Microbiological Performance qualification (MPQ) |
|-------------------------------------------------|
| Physical Performance qualification (PPQ) |
| EO residue |
| ECH residue |
| Bacteria Endotoxin Limit |
| Microbial barrier test |
| Seal Strength test |
| Seal leak test |
| Shelf Life Evaluation |
| |
ISO11135:2014 ISO11135:2014 ISO 10993-7:2008 ISO 10993-7:2008 USP <85> ASTM F1608 ASTM F 88 ASTM F 1929 Physical, Mechanical, Chemical, Package Tests were performed on aging samples to verify the claimed shelf life of the device.
### 10. Clinical Test
No clinical study is included in this submission.
### 11. Performance data
All necessary bench and non-clinical testing were conducted on DR Safety Syringe to support a determination of substantial equivalence to the predicate devices.
The non-clinical, bench testing are conducted according to ISO 7886-1 and ISO 7886-4, USP 788, ISO 23908 and FDA guidance titled: "Medical Devices with Sharps Injury Prevention Features - Guidance for Industry and FDA Staff," included:
- 1 Appearance
- 2 Tolerance on graduated capacity
- 3 Graduated scale
- 4 Barrel
- 5 Plunger stopper/plunge
- 6 Syringe needle
- 7 Liquid leakage
- 8 Air leakage
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- 9 Syringe with Luer nozzle
- 10 Dead space
- 11 Re-use prevention feature test
- 12 Limits for acidity or alkalinity
- 13 Limits for extractable metals
- 14 EO residual
- 15 Sterility
- 16 Bacterial Endotoxin (LAL test)
- 17 Testing activation of a sharps injury protection feature
- 18 Particulate test,
- 19 ECH residual
All necessary bench and non-clinical testing were conducted on Fixed needle to support the performance of the needle in safety syringe.
The non-clinical, bench testing are conducted according to ISO 9626 included:
- 1 Appearance
- 2 Dimensions of tubing
- 3 Stiffness
- 4 Bond between hub and needle tube
- 5 Resistance to breakage
- 6 Limits for acidity or alkalinity
- 7 Corrosion resistance
All necessary bench and non-clinical testing were conducted on proposed sterile hypodermic needle to support a determination of substantial equivalence to the predicate devices. The non-clinical, bench testing are conducted according to ISO 7864 included:
- 1 Appearance
- 2 Colour coding
- 3 Tolerances on length
- 4 Bond between hub and needle tube
- 5 Patency of lumen
- 6 The penetration force and drag force for needles
- 7 Limits for acidity or alkalinity
- 8 Limits for extractable metals
### 12. Biocompatibility Testing Summary
Biocompatibility testing was conducted in compliance with ISO 10993-1, for externally communicating devices with limited exposure (<24 hours) to blood path, direct, and included below test items.
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| Items | Standards | Conclusion |
|------------------------------------------|-------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| In Vitro Cytotoxicity | ISO 10993-5:2009 | Under the conditions of this study, the test<br>article Micro catheter extract did not show<br>potential toxicity to L-929 cells. |
| Intracutaneous reactivity | ISO 10993-10:2010 | The test results showed that the polar and<br>non-polar test article extracts did not induce<br>intracutaneous reactivity in rabbit under the<br>test condition. |
| Skin Sensitization | ISO 10993-10:2010 | No evidence of causing skin sensitization |
| Acute System Toxicity | ISO 10993-11:2017 | Under the conditions of this study, there was<br>no evidence of systemic toxicity from the<br>extracts, the test article extract met the<br>requirements of this study. |
| Pyrogenicity | ISO 10993-11:2017 | No rabbit an individual rise in temperature of<br>0.5℃ or more. |
| In Vitro hemolytic | ASTM F756-17 | The test result showed the Micro catheter had<br>no influence on hemolytic properties. |
| Complement activity<br>(C3a,SC5b-9) test | ISO 10993-4:2017 | Under the conditions of this study, the test<br>article safety syringe had no effect on<br>complement activity. |
| In Vivo Thrombogenicity<br>Test | ISO 10993-4:2017 | Under the conditions of this study, the test<br>article safety syringe meets the requirement<br>of thrombogenicity test. |
Table 1 Biocompatibility tests
The subject device, DR Safety Syringe is subject to biocompatibility test in accordance with ISO 10993-1, the test result demonstrate that DR Safety Syringe is safe.
## 13. Conclusion
The nonclinical tests demonstrated that the device is as safe, as effective, and performs as well as or better than the predicate device.
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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.