K Number
K242856
Device Name
LUOFUCON® Silicone Ag+ Foam Dressing (Prescription use)/ LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing (OTC use) (Bordered, Bordered Lite, Non-Bordered, and Transfer)
Date Cleared
2024-11-13

(54 days)

Product Code
Regulation Number
N/A
AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP Authorized
Intended Use
Prescription Use: LUOFUCON® Silicone Ag+ Foam Dressing is indicated for exudate absorption and the management of partial to fullthickness wounds, including leg and foot ulcers, pressure ulcers, 1st and 2nd degree burns, donor sites, traumatic and surgical wounds, lacerations and abrasions. OTC Use: LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing is indicated for first aid management of minor abrasions, minor cuts, minor scrapes, minor scalds and minor burns.
Device Description
LUOFUCON® Silicone Ag+ Foam Dressing/LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing is a sterile, single-use dressing. The device has a multi-layer structure, and its foam layer contains 0.40mg/cm² maximum content of ionic silver. According to the different compositions of product structure, the device provides four models: Bordered, Bordered Lite, Non-Bordered, and Transfer. - (a). The first model, Bordered, consists of a Polyurethane (hereinafter referred to as PU) Film layer, a Super Absorbent Fibre Pad layer, a Non-woven layer, a Silver PU Foam layer, a Perforated Silicone layer, and a Polyethylene (hereinafter referred to as PE) Release Film covered on the Perforated Silicone. - (b). The second model, Bordered Lite, consists of a PU Film layer, a Non-woven layer, a Silver PU Foam layer, a Perforated Silicone layer, and a PE Release Film covered on the Perforated Silicone. - (c). The third model, Non-Bordered, consists of a PU Film layer, a Silver PU Foam layer, a Perforated Silicone layer, and a PE Release Film covered on the Perforated Silicone. - (d). The fourth model, Transfer, consists of a Silver PU Foam layer, a Perforated Silicone layer, and a PE Release Film covered on the Perforated Silicone. The Non-Bordered model can be freely cut as needed. The Transfer model also can be freely cut and allow using together with a secondary absorbent dressing. Silver in the dressing is intended to provide antibacterial effectiveness within the dressing for up to 7 days, as demonstrated via in vitro testing. The Bordered, Bordered Lite, and Non-Bordered model dressings are equipped with a PU film that offers waterproofing. The self-adhesive Perforated Silicone wound contact layer plays a role in minimizing the trauma on removal.
More Information

Not Found

No
The device description and performance studies focus on the physical properties and antibacterial effectiveness of a wound dressing, with no mention of AI or ML.

Yes

The device is indicated for the management and treatment of wounds such as leg and foot ulcers, pressure ulcers, burns, traumatic, and surgical wounds, which are conditions that require therapeutic intervention.

No

The device is a wound dressing designed for exudate absorption and wound management and does not perform any diagnostic function.

No

The device description clearly outlines a multi-layer physical dressing with various material components (PU Film, Super Absorbent Fibre Pad, Non-woven layer, Silver PU Foam layer, Perforated Silicone layer, PE Release Film). It is a physical medical device, not software.

Based on the provided information, this device is not an IVD (In Vitro Diagnostic).

Here's why:

  • IVD Definition: In Vitro Diagnostic devices are used to examine specimens (like blood, urine, or tissue) taken from the human body to provide information for diagnosis, monitoring, or screening.
  • Device Description and Intended Use: The LUOFUCON® Silicone Ag+ Foam Dressing is a wound dressing applied directly to the surface of the body to absorb exudate and manage various types of wounds. It does not involve the examination of specimens taken from the body.
  • Performance Studies: The performance studies described focus on the physical properties of the dressing (adhesion, absorbency, waterproofness, etc.), antibacterial effectiveness within the dressing, and biocompatibility. These are typical tests for wound care products, not IVDs.

Therefore, the LUOFUCON® Silicone Ag+ Foam Dressing is a medical device, but it falls under the category of wound care products, not In Vitro Diagnostics.

N/A

Intended Use / Indications for Use

Prescription Use:

LUOFUCON® Silicone Ag+ Foam Dressing is indicated for exudate absorption and the management of partial to fullthickness wounds, including leg and foot ulcers, pressure ulcers, 1st and 2nd degree burns, donor sites, traumatic and surgical wounds, lacerations and abrasions.

OTC Use:

LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing is indicated for first aid management of minor abrasions, minor cuts, minor scrapes, minor scalds and minor burns.

Product codes

FRO

Device Description

LUOFUCON® Silicone Ag+ Foam Dressing/LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing is a sterile, single-use dressing. The device has a multi-layer structure, and its foam layer contains 0.40mg/cm² maximum content of ionic silver. According to the different compositions of product structure, the device provides four models: Bordered, Bordered Lite, Non-Bordered, and Transfer.

  • (a). The first model, Bordered, consists of a Polyurethane (hereinafter referred to as PU) Film layer, a Super Absorbent Fibre Pad layer, a Non-woven layer, a Silver PU Foam layer, a Perforated Silicone layer, and a Polyethylene (hereinafter referred to as PE) Release Film covered on the Perforated Silicone.
  • (b). The second model, Bordered Lite, consists of a PU Film layer, a Non-woven layer, a Silver PU Foam layer, a Perforated Silicone layer, and a PE Release Film covered on the Perforated Silicone.
  • (c). The third model, Non-Bordered, consists of a PU Film layer, a Silver PU Foam layer, a Perforated Silicone layer, and a PE Release Film covered on the Perforated Silicone.
  • (d). The fourth model, Transfer, consists of a Silver PU Foam layer, a Perforated Silicone layer, and a PE Release Film covered on the Perforated Silicone.

The Non-Bordered model can be freely cut as needed. The Transfer model also can be freely cut and allow using together with a secondary absorbent dressing.

Silver in the dressing is intended to provide antibacterial effectiveness within the dressing for up to 7 days, as demonstrated via in vitro testing. The Bordered, Bordered Lite, and Non-Bordered model dressings are equipped with a PU film that offers waterproofing. The self-adhesive Perforated Silicone wound contact layer plays a role in minimizing the trauma on removal.

Mentions image processing

Not Found

Mentions AI, DNN, or ML

Not Found

Input Imaging Modality

Not Found

Anatomical Site

Not Found

Indicated Patient Age Range

Not Found

Intended User / Care Setting

Not Found

Description of the training set, sample size, data source, and annotation protocol

Not Found

Description of the test set, sample size, data source, and annotation protocol

Not Found

Summary of Performance Studies

Performance testing was conducted to verify that the subject device met all design specifications was Substantially Equivalent (SE) to the predicate device. The performance of the subject device was tested according to the following standards:

  • Adhesive property: conducted with ASTM D6195-03
  • Water absorbency: conducted with BS EN 13726-1
  • pH Value: conducted with USP pH.
  • MVTR: conducted with BS EN 13726-2
  • Waterproofness: conducted with BS EN 13726-3
  • EO and ECH residuals: conducted with ISO 10993-7
  • Antibacterial effectiveness: in vitro simulated use testing.
  • Sterility: conducted with ISO 11737-2:2019

Biocompatibility data were leveraged from the predicate device K223360 and include:

  • Cytotoxicity - ISO 10993-5:2009
  • Implantation ISO 10993-6:2016
  • Intracutaneous Reactivity - ISO 10993-10:2010
  • Sensitization ISO 10993-10:2010
  • Systemic toxicity ISO 10993-11:2017
  • Material-mediated pyrogenicity USP 41-N36

No clinical studies were conducted for the subject device.

Key Metrics

Not Found

Predicate Device(s)

K223360

Reference Device(s)

Not Found

Predetermined Change Control Plan (PCCP) - All Relevant Information

Not Found

N/A

0

Image /page/0/Picture/0 description: The image shows the logo of the U.S. Food and Drug Administration (FDA). The logo consists of two parts: the Department of Health & Human Services logo on the left and the FDA logo on the right. The FDA logo is in blue and includes the letters "FDA" followed by the words "U.S. FOOD & DRUG ADMINISTRATION" in a smaller font.

November 11, 2024

Huizhou Foryou Medical Devices Co., Ltd. Guosheng Tan R&D Engineer North Shangxia Rd. Dongjiang Hi-Tech Industry Park Huizhou, Guangdong 516005 China

Re: K242856

Trade/Device Name: LUOFUCON® Silicone Ag+ Foam Dressing (Prescription use)/ LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing (OTC use) (Bordered, Bordered Lite, Non-Bordered, and Transfer) Regulatory Class: Unclassified Product Code: FRO Dated: October 15, 2024 Received: October 15, 2024

Dear Guosheng Tan:

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 (the 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 available 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.

Additional information about changes that may require a new premarket notification are provided in the FDA guidance documents entitled "Deciding When to Submit a 510(k) for a Change to an Existing Device"

1

(https://www.fda.gov/media/99812/download) and "Deciding When to Submit a 510(k) for a Software Change to an Existing Device" (https://www.fda.gov/media/99785/download).

Your device is also subject to, among other requirements, the Quality System (QS) regulation (21 CFR Part 820), which includes, but is not limited to, 21 CFR 820.30. Design controls; 21 CFR 820.90. Nonconforming product; and 21 CFR 820.100, Corrective and preventive action. Please note that regardless of whether a change requires premarket review. the OS regulation requires device manufacturers to review and approve changes to device design and production (21 CFR 820.30 and 21 CFR 820.70) and document changes and approvals in the device master record (21 CFR 820.181).

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 of medical device-related adverse events) (21 CFR Part 803) for devices or postmarketing safety reporting (21 CFR Part 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 Part 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR Parts 1000-1050.

All medical devices, including Class I and unclassified devices and combination product device constituent parts are required to be in compliance with the final Unique Device Identification System rule ("UDI Rue"). The UDI Rule requires, among other things, that a device bear a unique device identifier (UDI) on its label and package (21 CFR 801.20(a)) unless an exception or alternative applies (21 CFR 801.20(b)) and that the dates on the device label be formatted in accordance with 21 CFR 801.18. The UDI Rule (21 CFR 830.300(a) and 830.320(b)) also requires that certain information be submitted to the Global Unique Device Identification Database (GUDID) (21 CFR Part 830 Subpart E). For additional information on these requirements, please see the UDI System webpage at https://www.fda.gov/medical-device-advicecomprehensive-regulatory-assistance/unique-device-identification-system-udi-system.

Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 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.

2

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,

Yu-chieh Chiu -S

Yu-Chieh Chiu, Ph.D. Assistant Director DHT4B: Division of Plastic and Reconstructive Surgery Devices OHT4: Office of Surgical and Infection Control Devices Office of Product Evaluation and Quality Center for Devices and Radiological Health

Enclosure

3

Indications for Use

510(k) Number (if known) K242856

Device Name

LUOFUCON® Silicone Ag+ Foam Dressing LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing

Indications for Use (Describe)

Prescription Use:

LUOFUCON® Silicone Ag+ Foam Dressing is indicated for exudate absorption and the management of partial to fullthickness wounds, including leg and foot ulcers, pressure ulcers, 1st and 2nd degree burns, donor sites, traumatic and surgical wounds, lacerations and abrasions.

OTC Use:

LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing is indicated for first aid management of minor abrasions, minor cuts, minor scrapes, minor scalds and minor burns.

Type of Use (Select one or both, as applicable)
-------------------------------------------------

X Prescription Use (Part 21 CFR 801 Subpart D)

X Over-The-Counter Use (21 CFR 801 Subpart C)

CONTINUE ON A SEPARATE PAGE IF NEEDED.

This section applies only to requirements of the Paperwork Reduction Act of 1995.

DO NOT SEND YOUR COMPLETED FORM TO THE PRA STAFF EMAIL ADDRESS BELOW.

The burden time for this collection of information is estimated to average 79 hours per response, including the time to review instructions, search existing data sources, gather and maintain the data needed and complete and review the collection of information. Send comments regarding this burden estimate or any other aspect of this information collection, including suggestions for reducing this burden, to:

Department of Health and Human Services Food and Drug Administration Office of Chief Information Officer Paperwork Reduction Act (PRA) Staff PRAStaff@fda.hhs.gov

"An agency may not conduct or sponsor, and a person is not required to respond to, a collection of information unless it displays a currently valid OMB number."

4

510(k) Summary

This 510(k) Summary information is being submitted in accordance with Title 21, CFR Section 807.92.

I. SUBMITTER:

Huizhou Foryou Medical Devices Co., Ltd.

| Address: | North Shangxia Rd. Dongjiang Hi-tech Industry Park, 516005,
Huizhou, PEOPLE'S REPUBLIC OF CHINA |
|-----------------|----------------------------------------------------------------------------------------------------|
| Phone: | +86-0752-5302185 |
| Contact Person: | Guosheng Tan |
| Date Prepared: | November 3, 2022 |

II. SUBJECT DEVICE

| Trade/Proprietary Names: | LUOFUCON® Silicone Ag+ Foam Dressing
(Prescription use)/ LUOFUCON® Silicone Ag-
Antibacterial Foam Dressing (OTC use) |
|--------------------------|-----------------------------------------------------------------------------------------------------------------------------|
| Common Name: | Silicone Silver Foam Dressing |
| Classification Name: | Dressing, Wound, Drug |
| Regulatory Class: | Unclassified |
| Product Code: | FRO |

III.PREDICATE DEVICE:

Primary Predicate Device :
510(k) Number: K223360
Product Name: LUOFUCON® Silicone Ag+ Foam Dressing/LUOFUCON®
Silicone Ag+ Antibacterial Foam Dressing
Manufacturer: Huizhou Foryou Medical Devices Co., Ltd.

5

IV. DEVICE DESCRIPTION:

LUOFUCON® Silicone Ag+ Foam Dressing/LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing is a sterile, single-use dressing. The device has a multi-layer structure, and its foam layer contains 0.40mg/cm² maximum content of ionic silver. According to the different compositions of product structure, the device provides four models: Bordered, Bordered Lite, Non-Bordered, and Transfer.

  • (a). The first model, Bordered, consists of a Polyurethane (hereinafter referred to as PU) Film layer, a Super Absorbent Fibre Pad layer, a Non-woven layer, a Silver PU Foam layer, a Perforated Silicone layer, and a Polyethylene (hereinafter referred to as PE) Release Film covered on the Perforated Silicone.
  • (b). The second model, Bordered Lite, consists of a PU Film layer, a Non-woven layer, a Silver PU Foam layer, a Perforated Silicone layer, and a PE Release Film covered on the Perforated Silicone.
  • (c). The third model, Non-Bordered, consists of a PU Film layer, a Silver PU Foam layer, a Perforated Silicone layer, and a PE Release Film covered on the Perforated Silicone.
  • (d). The fourth model, Transfer, consists of a Silver PU Foam layer, a Perforated Silicone layer, and a PE Release Film covered on the Perforated Silicone.

The Non-Bordered model can be freely cut as needed. The Transfer model also can be freely cut and allow using together with a secondary absorbent dressing.

Silver in the dressing is intended to provide antibacterial effectiveness within the dressing for up to 7 days, as demonstrated via in vitro testing. The Bordered, Bordered Lite, and Non-Bordered model dressings are equipped with a PU film that offers waterproofing. The self-adhesive Perforated Silicone wound contact layer plays a role in minimizing the trauma on removal.

V. INDICATIONS FOR USE:

Prescription Use:

LUOFUCON® Silicone Aq+ Foam Dressing is indicated for exudate absorption and the management of partial to full-thickness wounds, including leg and foot ulcers, pressure ulcers, diabetic foot ulcers, 1st and 2nd degree burns, donor sites, traumatic and surgical wounds, lacerations and abrasions.

OTC Use:

LUOFUCON® Silicone Ag+ Antibacterial Foam Wound Dressing is indicated for first aid management of minor abrasions, minor cuts, minor lacerations, minor scrapes, minor scalds and minor burns.

6

VI.COMPARISON OF TECHNOLOGICAL CHARACTERISTICS WITH THE PREDICATE DEVICE

LUOFUCON® Silicone Ag+ Foam Dressing/LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing Compared with the Predicate Device in terms of technological characteristics. The following table shows their similarities and differences.

| Item | Subject Device | Primary Predicate Device
(K223360) | Similarities and
Differences |
|------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------|
| Regulatory Class | Unclassified | Unclassified | Same |
| Product Code | FRO | FRO | Same |
| Intended Use | Prescription:
LUOFUCON® Silicone Ag+
Foam Dressing is indicated for
exudate absorption and the
management of partial to full
thickness wounds, including
leg and foot ulcers, pressure
ulcers, diabetic foot ulcers, 1st
and 2nd degree burns, donor
sites, traumatic and surgical
wounds, lacerations and
abrasions.

OTC:
LUOFUCON® Silicone Ag+
Antibacterial Foam Dressing is
indicated for first aid
management of minor
abrasions, minor cuts, minor
lacerations, minor scrapes,
minor scalds and minor burns. | Prescription:
LUOFUCON® Silicone Ag+
Foam Dressing is indicated for
exudate absorption and the
management of partial to full
thickness wounds, including
leg and foot ulcers, pressure
ulcers, diabetic foot ulcers, 1st
and 2nd degree burns, donor
sites, traumatic and surgical
wounds, lacerations and
abrasions.

OTC:
LUOFUCON® Silicone Ag+
Antibacterial Foam Dressing is
indicated for first aid
management of minor
abrasions, minor cuts, minor
lacerations, minor scrapes,
minor scalds and minor burns. | Same |
| Prescription
/OTC | Prescription/OTC | Prescription | Same |
| Mechanism | Polyurethane foam and
absorbent fiber pad for
absorbing exudates; Silver
compounds
present in the foam for
reducing bacteria
colonization in the | Polyurethane foam and
absorbent fiber pad for
absorbing exudates; Silver
compounds
present in the foam for
reducing bacteria
colonization in the | Same |
| Item | Subject Device | Primary Predicate Device (K223360) | Similarities and Differences |
| | dressing; Silicone soft contact
layer for self-adhesive;
polyurethane film offers
waterproofing. | dressing; Silicone soft contact
layer for self-adhesive;
polyurethane film offers
waterproofing. | |
| Design /Material | Polyurethane film,
polyurethane
foam containing silver,
absorbent fiber,
non- woven fabrics,
Silicone, Release film | Polyurethane film,
polyurethane
foam containing silver,
absorbent fiber,
non- woven fabrics,
Silicone, Release film | Same |
| Size | Max: 50cm×20cm | Max: 25cm×20cm | Different:
The subject device has an
additional maximum size in
comparison to Non-Bordered
and Transfer model of the
predicate device. |
| Antibacterial Duration | 7 days | 7 days | Same |
| Single Use | Yes | Yes | Same |
| Sterilization | EtO
SAL:10-6 | EtO
SAL:10-6 | Same |

7

The subject device has the same technological characteristics (i.e., design, material, chemical composition, structure, process, etc.) as the predicate device. However, the only modification made was the addition of a new size to the Non-Bordered and Transfer model of the predicate device. As the material properties of the subject device and predicate device remain the same and the performance specifications are also identical, the difference in size does not affect the effectiveness of the product.

Accordinaly, the modification is considered not to affect the Substantial Equivalence between the subject device and predicate device.

PERFORMANCE DATA VII.

The following performance tests were conducted in support of the substantial equivalence determination.

Performance testing

Performance testing was conducted to verify that the subject device met all design specifications was Substantially Equivalent (SE) to the predicate device. The performance of the subject device was tested according to the following standards.

8

  • Adhesive property: conducted with ASTM D6195-03
  • Water absorbency: conducted with BS EN 13726-1 ●
  • pH Value: conducted with USP pH.
  • MVTR: conducted with BS EN 13726-2
  • Waterproofness: conducted with BS EN 13726-3
  • EO and ECH residuals: conducted with ISO 10993-7
  • Antibacterial effectiveness: in vitro simulated use testing. ●
  • Sterility: conducted with ISO 11737-2:2019

Biocompatibility testing

No additional biocompatibility tests were conducted for this submission. All biocompatibility data were leveraged from the predicate device was submitted as part of the original 510(k) submission of the predicate, LUOFUCON® Silicone Aq+ Foam Dressing/LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing (K223360) and include:

  • Cytotoxicity - ISO 10993-5:2009
  • Implantation ISO 10993-6:2016 ●
  • Intracutaneous Reactivity - ISO 10993-10:2010
  • Sensitization ISO 10993-10:2010 ●
  • Systemic toxicity ISO 10993-11:2017 ●
  • Material-mediated pyrogenicity USP 41-N36

Clinical Study

No clinical studies were conducted for the subject device.

VIII. CONCLUSIONS

Based on the information provided within this 510(k) submission, the subject device, LUOFUCON® Silicone Ag+ Foam Dressing/LUOFUCON® Silicone Ag+ Antibacterial Foam Dressing is substantially equivalent to the predicate device listed and is as safe, as effective and performs as well as the legally marketed predicate device.