The MedDev Contour™ and ThinProfile™ Eyelid Weight Implants are designed for the gravity-assisted treatment of protracted or permanent lagophthalmos, usually resulting from facial paralysis.

Device Description

MedDev Contour™ and ThinProfile™ Eyelid Weight Implants were designed for the treatment of lagophthalmos, i.e. the inability of the eyelid to fully close. This condition is typically due to a degree of facial paralysis. The MedDev Contour™ and ThinProfile™ Eyelid Weight Implants are passive implants surgically placed in the eyelid. The density of their construct material (pure gold or platinum) provides the weight necessary to close the eyelid over the eye. The patient can use their functional orbital musculature to keep their eyes open, but have the gravitational assist from the Implant to close the eyelid.

AI/ML Overview

The provided text describes the acceptance criteria and a study for the MedDev Contour™ and ThinProfile™ Eyelid Weight Implants.

1. Table of Acceptance Criteria and Reported Device Performance:

Test	Acceptance Criteria	Reported Device Performance
MRI Safety Review	MR-Conditional for static magnetic fields of 3-Tesla or less.	Successfully demonstrated MR-Conditional claim.
MRI Related force (Torque)	Minimal to no deflection/torque in a 3-Tesla MRI. (Implied: Acceptable deflection for safety, which for this device was 2 degrees, and torque rating of 0 for both axis, indicating no movement after initial 2 degree deflection)	2° deflection for both gold and platinum samples (2.8g), with a torque rating of 0 (no torque) in both long and short axis for 2.8g Gold and Platinum Contour™ Eyelid Weight Implants.
MRI Related Heating	Maximum temperature change (over 15 minutes in a 3T field) within safe limits. (Implied: Typically <2-3°C for small implants unless specifically justified)	Maximum measured temperature change of +2.0°C for 2.8g Gold Contour™ Eyelid Weight Implant and +2.3°C for 2.8g Platinum Contour™ Eyelid Weight Implant.
MRI Related artifact	Acceptable artifact size (Implied: limited to a small area around the device, not obscuring critical anatomy).	Image artifact extends approximately 5-mm from the 2.8g Gold Contour™ Eyelid Weight Implant and approximately 10-mm from the 2.8g Platinum Contour™ Eyelid Weight Implant when imaged using a gradient echo pulse sequence and a 3-Tesla MR system.
Biocompatibility	Compliant with ISO 10993-1:2009 for the duration of contact.	Concluded that the MedDev Eyelid Weight Implants are biocompatible as defined by ISO 10993-1:2009, based on review of existing data, material review, Cytotoxicity MEM Elution test, and Chemical Characterization (leachable test).
Sterility	Sterility Assurance Level (SAL) of 10-6 via moist heat sterilization, validated according to ANSI/AAMI/ISO 17665-1:2006.	Demonstrated that the devices could be moist heat sterilized to a Sterility Assurance Level of 10-6. Validation based on biological indicators (BI Spore Strips) in a half-cycle "overkill" method (includes installation, operational, and performance qualification).
Shelf-life (Packaging Integrity)	Packaging integrity maintained for 36 months, protecting sterile barrier. Tested according to ASTM D4169-05, F1886-98, F2096-04, F88-06, and microbial barrier performance (Tyvek) tested by DuPont using ASTM F1608-00(2009) and F2638-12.	Completed testing confirmed the integrity of the sterile barrier and packaging for a period of 36 months. This included real-time aging, distribution simulation, visual inspection, bubble leak testing, and seal strength testing. A seal strength test capability index study and a review of product functionality and physical damage were also conducted. Microbial barrier performance for Tyvek® was supported by DuPont™ testing up to five years.

2. Sample Size Used for the Test Set and Data Provenance:

MRI Safety Review: The testing was conducted on "the largest available sizes of 2.8g" for both gold and platinum Contour™ Eyelid Weight Implants. No specific number of samples (implants) is given beyond this, but it implies at least one of each (gold and platinum, 2.8g).
- Data provenance: The tests were conducted according to specific ASTM and internal SOPs. The location (e.g., country of origin) of the testing lab is not specified, but it's presumed to be a controlled laboratory environment. The data is prospective, generated specifically for this submission.
Biocompatibility: Testing was performed on "the Gold and Platinum Contour™ and ThinProfile™ Eyelid Weight Implants." No specific number of samples is provided.
- Data provenance: Testing was conducted in accordance with ISO standards and Nelson Labs SOPs. The data is prospective.
Sterility and Shelf-life:
- Sterilization validation: Uses biological indicators (BI Spore Strips). No specific number of BIs or device units is given.
- Shelf-life testing: While real-time aging of 36 months is mentioned, no specific number of packaged units tested is provided.
- Data provenance: Conducted according to ISO and ASTM standards. The data is prospective.

3. Number of Experts Used to Establish Ground Truth for the Test Set and Qualifications:

Not applicable. This device is not an AI/diagnostic software. The "acceptance criteria" here refer to engineering and material performance specifications rather than diagnostic performance assessed against a ground truth established by experts.

4. Adjudication Method for the Test Set:

Not applicable. This is not a diagnostic device with an "adjudication method" in the typical sense for clinical studies. The results are objective measurements from laboratory tests.

5. Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study:

Not applicable. This is a physical implant, not a diagnostic imaging or AI system.

6. Standalone Performance Study (Algorithm Only):

Not applicable. This is a physical implant, not an algorithm.

7. Type of Ground Truth Used:

The "ground truth" for this device's acceptance is based on:

Standardized laboratory measurements and physical properties (e.g., MRI-induced heating, force, artifact size).
Compliance with recognized international and national standards (e.g., ISO, ASTM, USP) for biocompatibility, sterility, and packaging.
Expert interpretation of these test results against established safety and performance thresholds defined in the standards and regulatory guidance.

8. Sample Size for the Training Set:

Not applicable. This is a physical implant; there is no "training set" in the context of AI or machine learning.

9. How the Ground Truth for the Training Set was Established:

Not applicable.

Summary

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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002

August 17, 2015

MedDev Corporation Ms. Eileen Ho 730 North Pastoria Ave. Sunnyvale, CA 94085

Re: K150986

Trade/Device Name: Contour™ Eyelid Weight Implants ThinProfile™ Eyelid Weight Implants Regulation Number: 21 CFR 886.5700 Regulation Name: Implantable Eyelid Weight Regulatory Class: Class II Product Code: MML Dated: July 8, 2015 Received: July 9, 2015

Dear Ms. Ho:

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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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 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 contact the Division of Industry and Consumer Education 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. 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 Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address

http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.

Sincerely yours,

Kesia Y. Alexander -A

for Malvina B. Eydelman, M.D. Director Division of Ophthalmic and Ear, Nose and Throat Devices Office of Device Evaluation Center for Devices and Radiological Health

Enclosure

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Indications for Use

510(k) Number (if known) K150986

Device Name Contour Eyelid Weight Implants ThinProfile Eyelid Weight Implants

Indications for Use (Describe)

The MedDev Contour and ThinProfile Eyelid Weight Implants are designed for the gravity-assisted treatment of protracted or permanent lagophthalmos, usually resulting from facial paralysis.

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)

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510(k) Summary

A. Device Information:
Category	Comments
Sponsor / Submitter:	MedDev Corporation730 North Pastoria AveSunnyvale, CA 94085Contact: Patrick Grey, COO408-730-9702Pat@meddev-corp.com
Correspondent ContactInformation:	Eileen HoMedDev Corporation730 North Pastoria AveSunnyvale, CA 94085408-730-9702eho@meddev-corp.com
Device Common Name:	Implantable Eyelid Weight
Device Classification Number:	21 CFR 886.5700Eyelid Weight
Device Classification &Product Code:	Class IIMML
Device Proprietary Name:	Contour™ Eyelid Weight ImplantsThinProfile™ Eyelid Weight Implants

A Device Information:

Predicate Device Information:

Predicate Device:	Contour Eyelid Implant Weights
Predicate Device Manufacturer:	MedDev Corp
Predicate Device Common Name:	Implantable Eyelid Weights
Predicate Device Premarket Notification #	K011740
Predicate Device Classification:	21 CFR 886.5700
Predicate Device Classification &	Class II,
Product Code:	MML

B. Date Summary Prepared

05 August 2015

C. Description of Device

The MedDev Contour™ and ThinProfile™ Eyelid Weight Implants are passive implants surgically placed in the eyelid. The density of their construct material (pure gold or platinum) provides the weight necessary to close the eyelid over the eye. The patient can

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use their functional orbital musculature to keep their eyes open, but have the gravitational assist from the Implant to close the eyelid.

Contour™ Eyelid Weight Implants

Contour" Eyelid Weight Implants feature a proprietary three-dimensional design that conforms to the curvature of the ocular globe. They are sized according to weight from 0.6g to 2.8g. They all have suture holes to assist in implantation.

ThinProfile™ Eyelid Weight Implant

MedDev's ThinProfile™ Eyelid Weight Implants are thinner than the Contour™ implants. The ThinProfile's reduced thickness provides improved eyelid cosmesis while providing the same effectiveness as our proven Contour™ implant. The ThinProfile™ Eyelid Weight Implant features a proprietary three-dimensional curvature. They are sized according to weight from 0.6g to 1.8g. They all have suture holes to assist in implantation.

D. Indications for Use

The MedDev Contour™ and ThinProfile™ Eyelid Weight Implants are designed for the gravity-assisted treatment of protracted or permanent lagophthalmos, usually resulting from facial paralysis.

E. Comparison to Predicate Device

The MedDev Contour™ and ThinProfile™ Eyelid Weight Implants are substantially equivalent in intended use, indications for use, technology, design, and materials as the predicate MedDev Contour™ Design Eyelid Implants (K011740).

The application and predicate devices have IDENTICAL product codes, Indications for Use, construction materials (99.99% gold or platinum) and design. They are implanted in an identical manner. They are all moist-heat sterilized and sold in sterile packaging.

The application implants have MR conditional labeling derived from the testing described below. The addition of MR conditional labeling does not raise any new questions of safety and efficacy.

The application devices meet all the requirements of the Special Controls initiated for these devices as published in the Federal Register (Vol 79, Num 76, pages 22012 - 16) on April 21, 2014.

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Characteristic	Predicate:MedDev Contour™ DesignGold Eyelid Implants(K011740)	Application Device:MedDev Contour™ andThinProfile™ EyelidWeight Implants	How do differences, if any,pertain to justification ofsubstantial equivalence?
Indications for Use	The Indications for Use of theproposed Contour DesignGold Eyelid Implants isexactly the same as for theoriginal Contour Design GoldEyelid Implants. The broadindication for prescribingMedDev's Contour DesignGold Eyelid Implants is forthe gravity-assisted treatmentof protracted or permanentlagophthalmos, usuallyresulting from facialparalysis. Conditions, whichmay damage the facial nerve,include Bell's palsy, facialnerve injury, trauma, tumorinvasion, and resection oftumors, i.e. acoustic neuromaand parotidectomy.	The MedDev Contour™ andThinProfile™ Eyelid WeightImplants are designed for thegravity-assisted treatment ofprotracted or permanentlagophthalmos, usuallyresulting from facialparalysis.	Differences in marketingnames and grammaticalconstruction of the statement.These differences have noimpact on the substantialequivalence of theIndications for Use.
FDA Product Code	MML	MML	Identical
OperatingPrinciple(Technology)	Implants provide theadditional weight needed toclose the eyelid when theorbital musculature iscompromised by facialparalysis.	Implants provide theadditional weight needed toclose the eyelid when theorbital musculature iscompromised by facialparalysis.	Identical

Characteristic	Predicate:MedDev Contour™ DesignGold Eyelid Implants(K011740)	Application Device:MedDev Contour™ andThinProfile™ EyelidWeight Implants	How do differences, if any,pertain to justification ofsubstantial equivalence?
Design
ContourModel	1.0mm thickness12.7mm spherical radius1.0mm diameter suture holes0.6 to 2.8g in 0.2g increments	1.0mm thickness12.7mm spherical radius1.0mm diameter suture holes0.6 to 2.8g in 0.2gincrements	Identical
ThinProfileModel	1.0 mm thickness12.7mm spherical radius1.0mm diameter suture holesAu: 0.6 to 1.6g in 0.2gincrementsPt: 0.6 to 1.8g in 0.2gincrements	Contour™ 1.0 mm thicknessThinProfile™ 0.65 mmthickness12.7mm spherical radius1.0mm diameter suture holesAu: 0.6 to 1.6g in 0.2gincrementsPt: 0.6 to 1.8g in 0.2gincrements	Identical.The ThinProfile™ Model wasconsidered a non-significantchange addition (per FDAmemo K97-1) to K011740
Materials (bodycontacting)	Pure (99.99%) Gold orPlatinum	Pure (99.99%) Gold orPlatinum	Identical
MRI Compatible?	Yes, but not labeled as such	Yes	This submission documentsthat the predicate version ofthe device was MRcompatible. Therefore theaddition of MR compatiblelabeling has no bearing onthe substantial equivalenceof the predicate andapplication devices.
Characteristic	Predicate:MedDev Contour™ DesignGold Eyelid Implants(K011740)	Application Device:MedDev Contour™ andThinProfile™ EyelidWeight Implants	How do differences, if any,pertain to justification ofsubstantial equivalence?
Permanent orTemporary Use?	Both	Both	Identical
Sterilization	Moist Heat Sterilized	Moist Heat Sterilized	Identical

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F. Summary of Supporting Data

This premarket notification is being submitted to provide FDA clearance for MR conditional labeling and to demonstrate compliance with the new Special Controls for implantable eyelid weights. No other changes from the predicate to the application device are being made. As a result only biocompatibility, sterility, shelf-life and MR compatibility data are necessary to demonstrate substantial equivalence.

i. MRI Safety Review

To support the claim of "MR-Conditional," the testing demonstrated that the implants are conditionally safe when exposed to a static magnetic field of 3-Tesla or less. MR safety testing was conducted with the Gold and Platinum Contour™ Eyelid Weight Implants in the largest available sizes of 2.8g.

a. MRI Related force

MRI Related force testing was conducted using a method similar to ASTM F2052-06:2006, (a 3-Tesla (T) GE Excite MRI scanner at a location where the spatial gradient is 720 gauss/cm and the field strength is 2.7 T), which showed a 2° deflection for both the gold and platinum samples. Torque testing was conducted using a test apparatus with the Eyelid Implant. (2.8g Gold and Platinum Contour™ Eyelid Weight Implants), positioned in the center of the MR system. The Eyelid Implant was directly observed for possible movement with respect to the alignment of rotation relative to the static magnetic field of the 3-Tesla MR system. The following qualitative scale of torque was applied to the results: 0 (no torque) up to +4 (very strong torque). A result for the 2.8g Gold and Platinum Contour™ Eyelid Weight Implants in both the long and short axis was 0.

b. MRI Related Heating

MRI Related Heating evaluation was conducted using methods outlined in ASTM F2182-11a, "Standard Test Method for Measurement of Radio Frequency Induced Heating On or Near Passive Implants During Magnetic Resonance Imaging." The Eyelid Implant with thermometry probes attached was placed in the gel-filled phantom. The implant test assembly was exposed to a 3-Telsa field for 15 minutes with temperatures recorded in 4second intervals. The resulting maximum measured temperature change for the 2.8g Gold Contour™ Eyelid Weight Implant was +2.0° C. For the 2.8g Platinum Contour™ Eyelid Weight Implant the maximum was +2.3° C.

c. MRI Related artifact

MRI Related artifact testing was conducted using methods outlined in ASTM F2119-07. "Standard Test Method for Evaluation of MR Image Artifacts from Passive Implants". The 2.8g Gold and Platinum Contour™ Eyelid Weight Implants were tested separately. Each Eyelid Implant was subjected to a 3-Tesla MR system and pulse sequences commonly used for MR imaging. For the Gold 2.8g Contour™ Eyelid Weight Implant

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the image artifact extends approximately 5-mm from the device when imaged using a gradient echo pulse sequence and a 3-Telsa MR system. For the Platinum 2.8g Contour™ Eyelid Weight Implant the image artifact extends approximately 10-mm from the device when imaged using a gradient echo pulse sequence and a 3-Telsa MR system.

ii. Biocompatibility

Biocompatibility of the Gold and Platinum Contour™ and ThinProfile™ Eyelid Weight Implants was established by a review of existing data and test results. The materials used in the implants and materials used in the manufacturing processes were reviewed for available toxicity and bioavailability data for each chemical component, and a justification for the tests conducted to evaluate all potential toxic end points was completed. Implant materials testing included Cytotoxicity MEM Elution test along with a Chemical Characterization of Materials (leachable test). The Cytotoxicity MEM Elution testing was conducted in accordance with:

ISO 10993-1:2003 "Biological evaluation of medical devices -- Part 1: Evaluation ● and testing"
ISO 10993-5:1999 "Biological evaluation of medical devices -- Part 5: Tests for ● in vitro cytotoxicity"
ISO 10993-12:2007 "Biological evaluation of medical devices -- Part 12: Sample ● preparation and reference materials"
United States Pharmacopeia 32 & National Formulary 27. 2009. <87> Biological Reactivity Tests, In Vitro
United States Pharmacopeia 32 & National Formulary 27. 2009. <1031> The Biocompatibility of Materials Used in Drug containers, Medical Devices, and Implants
Nelson Labs SOP STP0032 R4 (2009) MEM Elution .

The leachable test and the inductively-coupled plasma atomic emission spectrometer (ICP-AES) analysis were conducted in accordance with:

ANSI/AAMI/ISO 10993-12:2012 "Biological evaluation of medical devices -Part 12: Sample preparation and reference materials"
ANSI/AAMI/ISO 10993-17:2012 "Biological evaluation of medical devices -Part 17: Establishment of allowable limits for leachable substances"
ANSI/AAMI BE83:2006 (R2011). Part 18: "Chemical characterization of ● materials"
Nelson Labs SOP STP0181 R2 (2015)– Chemical Characterization of Materials ●
ASTM E1097-12 "Standard Guide for Determination of Various Elements by Direct Current Plasma Atomic Emission Spectrometry"
. METL SOP QA manual 11.0-CHE1/ CHE11

The final report concludes that the MedDev Eyelid Weight Implants are biocompatible as defined by ISO 10993-1:2009.

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iii. Sterility and Shelf-life

Sterilization validation and packaging validation (shelf life) were completed in accordance with ISO 11607:2006 "Packaging for Terminally Sterilized Medical Devices" and in context of ISO 13485:2003 "Medical devices - Quality management systems"

a. Sterilization

Sterilization validation was completed in accordance with ANSI/AAMI/ISO 17665-1:2006 "Sterilization of health care products-Moist heat-Part1: Requirements for the development, validation, and routine control of a sterilization process for medical devices" which demonstrates that the devices could be moist heat sterilized to a Sterility Assurance Level of 106. The validation approach was based on the use of biological indicators (BI Spore Strips) in a half-cycle "overkill" method. The validation protocol includes an installation, operational, and performance qualification; and the demonstration of sterility assurance.

b. Shelf life

The shelf life testing included real time aging, distribution simulation, visual inspection, bubble leak testing, and seal strength testing. The shipping configuration and packaging integrity were tested at the completion of real-time aging of 36 months in accordance with:

. ASTM D4169-05 "Standard Practice for Performance Testing of Shipping Containers and Systems"
. ASTM F1886-98 "Standard Test Method for Determining Integrity of Seals for Medical Packaging by Visual Inspection"
ASTM F2096-04 "Standard Test Method for Detecting Gross leaks in Medical Packaging by Internal Pressurization (Bubble Test)"
. ASTM F88-06 "Standard Test Method for Seal Strength of Flexible Barrier Materials"

Other reviews included:

Seal Strength Test Capability index study
. A review of product's functionality and examination for physical damage at the completion of the packaging integrity testing
. Testing and validation of the microbial barrier performance for Tyvek®, manufactured by DuPont™, demonstrate an effective barrier for up to five years. Testing standards used by DuPont™:
- ASTM F1608-00(2009) "Standard Test Method for Microbial Ranking of . Porous Packaging Materials (Exposure Chamber Method)"

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. ASTM F2638-12 "Standard Test Method for Using Aerosol Filtration for Measuring the Performance of Porous Packaging Materials as a Surrogate Microbial Barrier"
The completed testing confirmed the integrity of the sterile barrier and packaging for a period of 36 months.

G. Conclusion Statement

MedDev concludes that the application and predicate Eyelid Implants are substantially equivalent.

Regulation Number and Section

§ 886.5700 Eyelid weight.

(a)
Identification. An eyelid weight is a prescription device made of gold, tantalum, platinum, iridium, or surgical grade stainless steel that is rectangular in shape and contoured to the shape of the eye. The device is intended for the gravity assisted treatment of lagophthalmos (incomplete eyelid closure).(1) The external eyelid weight is adhered to the outer skin of the upper eyelid.
(2) The implantable eyelid weight is implanted into the upper eyelid.
(b)
Classification. (1) Class II (special controls) for the external eyelid weight. The external eyelid weight is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 886.9. The special controls for the external eyelid weight are:(i) Testing demonstrating the biocompatibility of the device; and
(ii) Labeling must include the following information:
(A) Specific instructions regarding the proper placement, sizing, and removal of the device; and
(B) A warning stating that the patient should be instructed to remove the device prior to entering a magnetic resonance environment.
(2) Class II (special controls) for the implantable eyelid weight. The special controls for the implantable eyelid weight are:
(i) Testing demonstrating the biocompatibility of the device;
(ii) Testing demonstrating the sterility and shelf life of the device;
(iii) Nonclinical testing evaluating the compatibility of the device in a magnetic resonance environment.
(iv) Patient labeling to convey information regarding the safety and compatibility of the device in a magnetic resonance environment, the conditions under which a patient with the device can be safely scanned, and a mechanism for a healthcare provider to obtain detailed information about magnetic resonance safety and compatibility if needed.