K240651 · Stryker Leibinger GmbH & Co KG · JEY · Jul 12, 2024 · Dental
Device Facts
Record ID
K240651
Device Name
MRI Universal
Applicant
Stryker Leibinger GmbH & Co KG
Product Code
JEY · Dental
Decision Date
Jul 12, 2024
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 872.4760
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The Universal CMF System is intended for stabilization and rigid fixation of the craniomaxillofacial (CMF) skeleton. The Universal CMF System (mandible modules) is a mandibular plate and screw system intended for stabilization and rigid fixation of mandibular fractures and mandibular reconstruction. The Stryker Leibinger Universal CMF and Universal 2.0 Mini Plating Systems are Craniomaxillofacial (CMF) plate and screw systems intended for osteotomy, stabilization, and rigid fixation of CMF fractures and reconstruction. The Stryker Universal SMARTLock Hybrid MMF System is intended to be used for temporary stabilization of mandibular and maxillary fractures in order to maintain proper occlusion during fracture healing. The Stryker MMF Screw is intended for use as a bone screw in the temporary maxillomandibular fixation to provide indirect stabilization of fractures of the maxilla, mandible or both, where there is sufficient occlusion. The Stryker Universal Floor System is intended to be used in the reconstruction of the floor and/or medial wall of the orbit.
Device Story
MRI Universal is a collection of existing craniomaxillofacial (CMF) plate and screw systems, including mandible modules, LeFort I plates, orbital floor systems, and MMF fixation hardware. The device functions as an implantable mechanical fixation system for bone stabilization. This submission introduces MR Conditional status for these existing implants. No changes were made to the physical design, materials, or intended use of the implants themselves. The device is used by surgeons in clinical settings for fracture repair and reconstruction. The output is the physical stabilization of bone segments, which facilitates healing. The clinical benefit is the ability for patients with these implants to safely undergo MRI procedures under specified conditions.
Clinical Evidence
No clinical data required. Bench testing only. Performance testing included displacement force, induced torque, and image artifact assessment per ASTM F2503-23, F2213-17, F2052-21, and F2182-19. RF-induced heating was evaluated via simulation studies.
Technological Characteristics
Implantable plates and screws for CMF fixation. Materials, dimensions, and mechanical principles remain unchanged from predicates. MR Conditional status established via testing per ASTM F2503-23, ASTM F2213-17, ASTM F2052-21, and ASTM F2182-19. Sterilization methods remain consistent with previously cleared predicates.
Indications for Use
Indicated for osteotomy, stabilization, and rigid fixation of craniomaxillofacial (CMF) fractures and reconstruction; mandibular fractures and reconstruction; LeFort I fractures; orbital floor and/or medial wall trauma or bone excision (patients 15+ years); and temporary maxillomandibular fixation for mandibular/maxillary fractures (adults and adolescents 12+ years with erupted permanent teeth).
Regulatory Classification
Identification
A bone plate is a metal device intended to stabilize fractured bone structures in the oral cavity. The bone segments are attached to the plate with screws to prevent movement of the segments.
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Image /page/0/Picture/0 description: The image contains the logo of the U.S. Food and Drug Administration (FDA). On the left is the Department of Health & Human Services logo. To the right of that is the FDA logo, which is a blue square with the letters "FDA" in white. To the right of the blue square is the text "U.S. FOOD & DRUG ADMINISTRATION" in blue.
Stryker Leibinger GmbH & Co. KG Amelia Kesti Staff Regulatory Affairs Specialist Boetzinger Strasse 41 Freiburg, D-79111 GERMANY
July 12, 2024
Re: K240651
Trade/Device Name: MRI Universal Regulation Number: 21 CFR 872.4760 Regulation Name: Bone Plate Regulatory Class: Class II Product Code: JEY, DZL Dated: June 12, 2024 Received: June 12, 2024
Dear Amelia Kesti:
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.
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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" (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 QS 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.
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.
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,
Sherrill Lathrop Blitzer
for Andrew Steen Assistant Director
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DHT1B: Division of Dental and ENT Devices OHT1: Office of Ophthalmic, Anesthesia, Respiratory, ENT and Dental Devices Office of Product Evaluation and Quality Center for Devices and Radiological Health
Enclosure
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# Indications for Use
Form Approved: OMB No. 0910-0120 Expiration Date: 07/31/2026 See PRA Statement below.
Submission Number (if known)
K240651
Device Name
MRI Universal
### Indications for Use (Describe)
Universal CMF System Intended use The Universal CMF System is intended for stabilization and rigid fixation of the craniomaxillofacial (CMF) skeleton. Indications for use Craniomaxillofacial Implants The Universal CMF System is Craniomaxillofacial (CMF) plate and screw system intended for osteotomy, stabilization, and rigid fixation of CMF fractures and reconstruction. Mandible Implants The Universal CMF System (mandible modules) is a mandibular plate and screw system intended for stabilization and rigid fixation of mandibular fractures and mandibular reconstruction. MP Lefort I Plates Intended Use The Stryker Leibinger Universal CMF and Universal 2.0 Mini Plating Systems are Craniomaxillofacial (CMF) plate and screw systems intended for osteotomy, stabilization, and rigid fixation of CMF fractures and reconstruction. Indications for Use The MP LeFort I Plates as part of the predicate subgroup Universal 2.0 Mini Plating System are implants indicated for osteotomy, stabilization, and rigid fixation of LeFort I fractures of the maxillofacial skeleton. Stryker Upper-Face AXS Screws And Mid-Face AXS Screws Indications for Use The Stryker Universal CMF System is a Cranio-maxillofacial (CMF) plate and screw system intended for osteotomy, stabilization, and rigid fixation of CMF fractures and reconstruction. Stryker MP, Mandible, HMMF And MMF AXS Screws -Universal CMF System: Intended Use The Universal CMF System is intended for stabilization and rigid fixation of the craniomaxillofacial (CMF) skeleton. Indications for Use
Craniomaxillofacial Implants
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The Universal CMF System is Craniomaxillofacial (CMF) plate and screw system intended for osteotomy, stabilization, and rigid fixation of CMF fractures and reconstruction.
# Mandible Implants
The Universal CMF System (mandible modules) is a mandibular plate and screw system intended for stabilization and rigid fixation of mandibular fractures and mandibular reconstruction.
-Stryker Universal SMARTLock Hybrid MMF System:
# Intended Use
The Stryker Universal SMARTLock Hybrid MMF System is intended to be used for temporary stabilization of mandibular and maxillary fractures in order to maintain proper occlusion during fracture healing.
# Indications for Use
The Stryker Universal SMARTLock Hybrid MMF System is indicated for the treatment of mandibular and maxillary fractures in adults and adolescents (age 12 and higher) in whom permanent teeth have erupted.
-Stryker MMF Screw
Intended use
The Stryker MMF Screw is intended for use as a bone screw in the temporary maxillomandibular fixation to provide indirect stabilization of fractures of the maxilla, mandible or both, where there is sufficient occlusion.
# Indications for use
The Stryker MMF Screw is intended for use as a bone screw in the temporary maxillomandibular fixation to provide indirect stabilization of fractures of the maxilla, mandible or both, where there is sufficient occlusion.
# Stryker Universal Orbital Floor System
# Intended Use
The Stryker Universal Floor System is intended to be used in the reconstruction of the floor and/or medial wall of the orbit.
# Indications for Use
The Stryker Universal Orbital Floor System is indicated for the reconstructive treatment of orbital floor and/or medial wall trauma or bone excision in patients 15 years of age and older.
# Stryker Universal Smartlock Hybrid MMF System
# Intended use
The Stryker Universal SMARTLock Hybrid MMF System is intended to be used for temporary stabilization of mandibular and maxillary fractures in order to maintain proper occlusion during fracture healing.
# Indications for use
The Stryker Universal SMARTLock Hybrid MMF System is indicated for the treatment of mandibular and maxillary fractures in adults and adolescents (age 12 and higher) in whom permanent teeth have erupted.
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Stryker MMF Screw Intended use The Stryker MMF Screw is intended for use as a bone screw in the temporary maxillomandibular fixation to provide indirect stabilization of fractures of the maxilla, mandible or both, where there is sufficient occlusion. Indications for use The Stryker MMF Screw is intended for use as a bone screw in the temporary maxillomandibular fixation to provide indirect stabilization of fractures of the maxilla, mandible or both, where there is sufficient occlusion. 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
This section provides a summary of 510(k) information in accordance with the requirements of 21 CFR 807.92.
#### I. SUBMITTER [§807.92(a)(1)]
| 510(k) Owner: | Stryker Leibinger GmbH & Co. KG<br>Boetzinger Strasse 41<br>D-79111 Freiburg, Germany |
|-------------------|---------------------------------------------------------------------------------------|
| Submitter/Contact | |
| Person: | Amelia Kesti |
Staff Regulatory Affairs Specialist Stryker Craniomaxillofacial (CMF) 1941 Stryker Way Portage, MI 49002
Phone: 269-330-5919
Date prepared: 07/11/2024
- DEVICE [§807.92(a)(2)] II.
| Trade Name: | MRI Universal |
|-------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Abbreviated Name: | MRI Universal |
| Common or Usual Name: | Bone Plates, Intraosseous fixation screw or wire |
| Device: | MRI Universal |
| Classification Name &<br>Regulation Description: | Plate, Bone; per 21 CFR §872.4760 |
| Regulation Medical<br>Specialty & Review Panel: | Office of Ophthalmic, Anesthesia, Respiratory, ENT and<br>Dental Devices, Office of Product Evaluation and Quality<br>(OHT1) / Division of Dental Devices (DHT1B) |
| Product Code: | Primary product code JEY, Secondary product code DZL |
| Regulatory Device Class: | Class II |
| *Note the company Stryker or legacy name Stryker Leibinger precedes the product/trade name and<br>predicate device in some documentation. | |
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#### III. PREDICATE DEVICE [§807.92(a)(3)]
- A. Predicate Devices: The predicate devices for this Bundled, Traditional 510(k) are:
- 1. Primary Predicate: Universal CMF System K221855
- i. Submission Branch of Predicate Device- Division of Anesthesiology, General Hospital, Infection Control, and Dental Devices; Office of Device Evaluation, Center for Devices and Radiological Health
- 2. Reference Predicate: MP LeFort I Plates K171364
- i. Submission Branch of Predicate Device- Division of Anesthesiology, General Hospital, Infection Control and Dental Devices; Office of Device Evaluation, Center for Devices and Radiological Health
- 3. Reference Predicate: Stryker Upper-Face AXS Screws and Mid-Face AXS Screws - K172572
- i. Submission Branch of Predicate Device- Division of Anesthesiology, General Hospital, Infection Control and Dental Devices; Office of Device Evaluation, Center for Devices and Radiological Health
- 4. Reference Predicate: Stryker MP, Mandible, HMMF, and MMF AXS Screws - K231599
- i. Submission Branch of Predicate Device- Division of Anesthesiology, General Hospital, Infection Control and Dental Devices; Office of Device Evaluation, Center for Devices and Radiological Health
- 5. Reference Predicate Device: Stryker Universal Orbital Floor System -K133461
- i. Submission Branch of Predicate Device- Division of Anesthesiology, General Hospital, Infection Control and Dental Devices; Office of Device Evaluation, Center for Devices and Radiological Health
- 6. Reference Predicate Device: Howmedica and Howmedica Leibinger Bone Screw Washers - K980364
- i. Submission Branch of Predicate Device- Division of General and Restorative Devices, Office of Device Evaluation Center for Devices and Radiological Health.
- 7. Reference Predicate Device: Stryker Universal SMARTLock Hybrid MMF System - K122313
- i. Submission Branch of Predicate Device- Division of Anesthesiology, General Hospital, Infection Control and Dental Devices; Office of Device Evaluation, Center for Devices and Radiological Health
- 8. Reference Predicate Device: Stryker MMF Screw K050535
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- i. Submission Branch of Predicate Device- Division of Anesthesiology, General Hospital, Infection Control and Dental Devices; Office of Device Evaluation, Center for Devices and Radiological Health
#### DEVICE DESCRIPTION [§807.92(a)(4)] IV.
- A. Submission Branch of Subject Device: Office of Ophthalmic, Anesthesia, Respiratory, ENT and Dental Devices, Office of Product Evaluation and Quality (OHT1) / Division of Dental Devices (DHT1B)
- B. Subject Device: MRI Universal
This Bundled. Traditional 510(k) is for a single change the MR status that affects multiple devices and can be assessed during one review. There are no changes to the predicate devices themselves, just the addition to allow MR Conditional use of the implants in scope after MRI compatibility testing was completed. Associated labeling for each Predicate Device is also updated to reflect the MR conditional use of the implants.
#### V. INDICATIONS FOR USE [§807.92(a)(5)]
The proposed modifications do not alter the indications for use statement for the Subject Devices except for the Howmedica Leibinger Bone Washer. The washer individual indication is obsoleted and the washer is moved to the Universal CMF System under this submission. There is no change to any of the Indications for Use or Intended Uses for any of the other Predicate Devices. See Table 5-1 for the complete Indications for Use for each device.
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# K240651
### TABLE 5-1: COMPARISON OF INDICATIONS FOR USE
| Aspect | Primary Predicate<br>Device (K221855)<br>Universal CMF<br>System | Additional Predicate<br>Device (K171364) MP<br>LeFort Plates | Additional<br>Predicate Device<br>(K172572) Stryker<br>Upper-Face AXS<br>Screws and Mid-<br>Face AXS Screws | Additional Predicate Device (K231599) Stryker MP,<br>Mandible, HMMF and MMF AXS Screws | Additional<br>Predicate Device<br>(K133461) Stryker<br>Universal Orbital<br>Floor System | Additional Predicate<br>Device (K980364)<br>Howmedica and<br>Howmedica<br>Leibinger Bone Screw<br>Washers | Additional Predicate<br>Device (K122313)<br>Stryker Universal<br>SMARTLock Hybrid<br>MMF System | Additional<br>Predicate<br>Device<br>(K050535)<br>Stryker MMF<br>Screw |
|-------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Intended<br>Use | Intended Use<br>The Universal CMF<br>System is intended for<br>stabilization and rigid<br>fixation of the<br>craniomaxillofacial<br>(CMF) skeleton. | Intended Use<br>The Stryker Leibinger<br>Universal CMF and<br>Universal 2.0 Mini<br>Plating Systems are<br>Craniomaxillofacial<br>(CMF) plate and screw<br>systems intended for<br>osteotomy,<br>stabilization, and rigid<br>fixation of CMF<br>fractures and<br>reconstruction. | Intended<br>Use/Indications for<br>Use<br>The Stryker<br>Universal CMF<br>System is a Cranio-<br>maxillofacial<br>(CMF) plate and<br>screw system for<br>osteotomy,<br>stabilization, and<br>rigid fixation of<br>CMF fractures and<br>reconstruction. | Intended Use/Indications for Use<br>-Universal CMF System:<br>The Universal CMF System is intended for stabilization<br>and rigid fixation of the craniomaxillofacial (CMF)<br>skeleton.<br>-Stryker Universal SMARTLock Hybrid MMF System:<br>The Stryker Universal SMARTLock Hybrid MMF<br>System is intended to be used for temporary stabilization<br>of mandibular and maxillary fractures in order to<br>maintain proper occlusion during fracture healing.<br>-Stryker MMF screw:<br>The Stryker MMF Screw is intended for use as a bone<br>screw in the temporary maxillomandibular fixation to<br>provide indirect stabilization of fractures of the maxilla,<br>mandible or both, where there is sufficient occlusion. | Intended Use<br>The Stryker<br>Universal Orbital<br>Floor System is<br>intended to be used<br>in the reconstruction<br>of the floor and/or<br>medial wall of the<br>orbit. | Intended<br>Use/Indications for<br>Use<br>The washers are<br>intended to be used to<br>provide additional<br>surface area contact<br>between the screw<br>head and bone surface,<br>when used in<br>combination with bone<br>screws for small bone<br>reconstruction of the<br>mandible, hand, foot,<br>and the midfacial<br>skeleton where there<br>exists a condition of a<br>thin cortex<br>osteoporotic bone.* | Intended Use<br>The Stryker Universal<br>SMARTLock Hybrid<br>MMF System is intended<br>to be used for temporary<br>stabilization of<br>mandibular and maxillary<br>fractures in order to<br>maintain proper occlusion<br>during fracture healing. | Intended Use<br>The Stryker<br>MMF Screw is<br>intended for use<br>as a bone screw<br>in the<br>temporary<br>maxillomandib<br>ular fixation to<br>provide indirect<br>stabilization of<br>fractures of the<br>maxilla,<br>mandible or<br>both, where<br>there is<br>sufficient<br>occlusion. |
| Indications<br>for Use<br>Statement | Indications for Use<br>Craniomaxillofacial<br>Implants<br>The Universal CMF<br>System is a<br>Craniomaxillofacial<br>(CMF) plate and<br>screw system intended<br>for osteotomy,<br>stabilization, and rigid<br>fixation of CMF<br>fractures and<br>reconstruction.<br>Mandible Implants<br>The Universal CMF<br>System (mandible<br>modules) is a<br>mandibular plate and<br>screw system intended<br>for stabilization and<br>rigid fixation of<br>mandibular fractures<br>and mandibular<br>reconstruction. | Indications for Use<br>The MP LeFort I<br>Plates as part of the<br>predicate subgroup<br>Universal 2.0 Mini<br>Plating System are<br>implants indicated for<br>osteotomy stabilization<br>and rigid fixation of<br>LeFort I fractures of<br>the maxillofacial<br>skeleton. | Indications for Use<br>The Stryker<br>Universal CMF<br>System is a Cranio-<br>maxillofacial<br>(CMF) plate and<br>screw system for<br>osteotomy,<br>stabilization, and<br>rigid fixation of<br>CMF fractures and<br>reconstruction. | Indications for Use<br>-Universal CMF System:<br>Craniomaxillofacial Implants<br>The Universal CMF System is Craniomaxillofacial<br>(CMF) plate and screw system intended for osteotomy,<br>stabilization, and rigid fixation of CMF fractures and<br>reconstruction.<br>Mandible Implants<br>The Universal CMF System (mandible modules) is a<br>mandibular plate and screw system intended for<br>stabilization and rigid fixation of mandibular fractures<br>and mandibular reconstruction.<br>-Stryker Universal SMARTLock Hybrid MMF System:<br>The Stryker Universal SMARTLock Hybrid MMF<br>System is indicated for the treatment of mandibular and<br>maxillary fractures in adults and adolescents (age 12 and<br>higher) in whom permanent teeth have erupted.<br>-Stryker MMF screw:<br>The Stryker MMF Screw is intended for use as a bone<br>screw in the temporary maxillomandibular fixation to<br>provide indirect stabilization of fractures of the maxilla,<br>mandible or both, where there is sufficient occlusion. | Indication for Use<br>The Stryker<br>Universal Orbital<br>Floor System is<br>indicated for<br>the reconstructive<br>treatment of orbital<br>floor and/or medial<br>wall<br>trauma or bone<br>excision in patients<br>15 years of age and<br>older. | Indications for Use<br>The washers are<br>intended to be used to<br>provide additional<br>surface area contact<br>between the screw<br>head and bone surface,<br>when used in<br>combination with bone<br>screws for small bone<br>reconstruction of the<br>mandible, hand, foot,<br>and the midfacial<br>skeleton where there<br>exists a condition of a<br>thin cortex<br>osteoporotic bone.* | Indications for use<br>The Stryker Universal<br>SMARTLock Hybrid<br>MMF System is indicated<br>for the treatment of<br>mandibular and maxillary<br>fractures in adults and<br>adolescents (age 12 and<br>higher) in whom<br>permanent teeth have<br>erupted. | Indications for<br>use<br>The Stryker<br>MMF Screw is<br>intended for use<br>as a bone screw<br>in the<br>temporary<br>maxilloman-<br>dibular fixation<br>to provide<br>indirect<br>stabilization of<br>fractures of the<br>maxilla,<br>mandible or<br>both, where<br>there is<br>sufficient<br>occlusion. |
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#### COMPARISON OF TECHNOLOGICAL CHARACTERISTICS WITH THE VI. PREDICATE DEVICE [§807.92(a)(6)]
The subject device is compared to its predicate devices for substantial equivalence of technological characteristics based on the following criteria:
- A. Principles of Operation
- B. Technological Characteristics
# A. Principles of Operation / Operating Principle
The basic operating principle of the Subject Device is identical to the basic operating principle of the Predicate Devices. There are no updates to the Predicate Devices themselves, only the allowance of the MR Conditional use of the plate and screw systems in the MR environment and associated labeling updates.
The fundamental scientific technology of the Subject Device has not changed. This is because the principle of operation, the mechanism of action, the intended use, and the materials of construction have not changed as a result of the MR conditional testing of the existing Predicate Devices.
### B. Technological Characteristics
There are no updates to the Predicate Devices themselves, only the allowance of the MR Conditional use of the plate and screw systems in the MR environment and associated labeling updates. The technological characteristics remain the same as the corresponding Predicate Devices:
- Same operating principle -
- -Same mode of fixation
- -Same area of contact and contact duration
- Same material -
# VII. PERFORMANCE DATA [§807.92(b)(1)]
There are no modifications to the subject devices as part of this submission, only the allowance of the MR Conditional use of the plate and screw systems in the MR environment and associated labeling updates.
Biocompatibility and sterility testing are not required as a basis for substantial equivalence. There is no change in the subject device material, manufacturing process, duration or location of contact, reprocessing methods, or testing standards followed relative to the Predicate Devices cleared in K221855, K171364, K172572, K231599, K133461, K980364, K122313, and K050535. The testing was performed following ISO 10993-1, DIN EN ISO 14937, DIN EN ISO 17665-1, and ISO/TS 17665-2.
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### Performance Bench Testing
Performance testing for displacement force, induced torque, and image artifacts were performed on reference devices that were identified as representative for all devices in scope of this submission. The testing was performed, and the labeling information was derived following ASTM F2503-23, ASTM F2213-17, ASTM F2052-21, and ASTM F2182-19.
A simulation study was performed covering all devices in scope of this submission to determine appropriate scanning times and wait times regarding RF induced heating. The simulation study was performed following ASTM F2182-19 and an additional Human Body Model simulation was conducted for the worst case construct.
All other mechanical performance testing of the devices in scope of this submission are not impacted by the changes in scope of this submission.
### Animal Testing
Animal testing was not required as a basis for substantial equivalence.
### Clinical Testing [§807.92(b)(2)]
Clinical testing was not required as a basis for substantial equivalence.
### VIII. CONCLUSIONS [§807.92(b)(3)]
In summary, the subject device is substantially equivalent to its predicate device. The subject device's fundamental scientific technology, technological characteristics, and materials of construction are the same as the predicate devices. The subject device's intended use and indications for use have the same scope, content and meaning as the predicate devices. There are no new questions of safety or effectiveness. According to the comparison based on the requirements of 21 CFR 807.87 and the information provided herein, it is concluded that the information included in this submission supports substantial equivalence to the predicate devices.
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Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
How do you verify an AI chat answer on the device detail page?
Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
5. Side-by-side comparison
Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
6. Collections
With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
8. Chart view
Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.