The DePuy Universal Gription™ TF Cones are intended for use with the P.F.C. ® Modular Knee, P.F.C. ® Sigma® Knee, Sigma® TC3 Revision Knee, and S-ROM® Tibial Tray in total knee replacement surgery for patients suffering from severe pain and disability due to permanent structural damage resulting from rheumatoid arthritis, post-traumatic arthritis, collagen disorders, pseudogout, trauma or failed prior surgical intervention. The porous Gription TF titanium cone is affixed to the mating tibial or femoral component using bone cement. After attachment, the cones are intended for fixation as an assembled construct into either the proximal tibia or distal femur, with or without bone cement. The DePuy Gription TF Acetabular Augments, Buttresses and Shims are indicated for use with the Pinnacle® Acetabular Cup System, the Pinnacle® Bantam Acetabular Cup System and the Pinnacle® Revision Acetabular Cup System for total hip replacement in the following conditions: - A severely painful and/or disabled joint from osteoarthritis, traumatic arthritis, rheumatoid arthritis or congenital hip dysplasia. - Avascular necrosis of the femoral head. - Acute traumatic fracture of the femoral head or neck. - Failed previous hip surgery including joint reconstruction, internal fixation, arthrodesis, hemiarthroplasty, surface replacement arthroplasty, or total hip replacement. - Certain cases of ankylosis. The porous Gription TF titanium acetabular augment is affixed to the mating acetabular cup using bone cement or mechanical screw fixation. The assembled augment/acetabular cup construct is intended for cemented or cementless use. The porous Gription TF titanium shim is affixed to the mating buttress using bone cement. This porous Gription TF titanium buttress is affixed to the mating acetabular cup using bone cement. The assembled buttress/acetabular cup construct is intended for cemented or cementless use.
Device Story
System of porous titanium implants (cones, acetabular augments, buttresses, shims) used in revision orthopedic surgery to address bone loss. Knee cones fill metaphyseal defects in distal femur or proximal tibia; hip components fill segmental acetabular defects. Implants provide structural support and interface for bone cement or mechanical fixation to native bone and primary prosthetic components (P.F.C. Knee, Pinnacle Hip systems). Operated by orthopedic surgeons in clinical/OR settings. Benefits include improved prosthetic fit and stability in patients with severe bone deficiency, serving as an alternative to structural allograft.
Clinical Evidence
No clinical data provided. Substantial equivalence based on non-clinical bench testing including animal testing, pull-off/shear-off testing, screw push-out/pull-off testing, shear fatigue (ASTM F1044), static shear, abrasion strength, compression fatigue, and cement interfacial testing.
Technological Characteristics
Manufactured from Commercially Pure (CP) Titanium powder per ASTM F1580. Porous structure for bone/cement interface. Knee cones: hollow, tapered geometry. Hip augments/buttresses: screw holes for adjunct fixation, slot features for mechanical attachment. Sterilization method not specified.
Indications for Use
Indicated for patients requiring total knee or hip replacement due to severe pain/disability from osteoarthritis, rheumatoid arthritis, post-traumatic arthritis, collagen disorders, pseudogout, trauma, failed prior surgery, congenital hip dysplasia, avascular necrosis, or ankylosis.
Regulatory Classification
Identification
A knee joint patellofemorotibial polymer/metal/polymer semi-constrained cemented prosthesis is a device intended to be implanted to replace a knee joint. The device limits translation and rotation in one or more planes via the geometry of its articulating surfaces. It has no linkage across-the-joint. This generic type of device includes prostheses that have a femoral component made of alloys, such as cobalt-chromium-molybdenum, and a tibial component or components and a retropatellar resurfacing component made of ultra-high molecular weight polyethylene. This generic type of device is limited to those prostheses intended for use with bone cement (§ 888.3027).
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K100391 # '1/6
# 510(k) Summary
.
(As required by 21 CFR §807.92 and 21 CFR §807.93)
SEP 2 9 2010
| NAME OF SPONSOR: | DePuy Orthopaedics, Inc.<br>700 Orthopaedic Drive<br>Warsaw, Indiana 46581-0988<br>Establishment Registration Number: 1818910 |
|----------------------|------------------------------------------------------------------------------------------------------------------------------------------------------|
| MANUFACTURER: | DePuy Orthopaedics, Inc.<br>700 Orthopaedic Drive<br>Warsaw, Indiana 46581-0988<br>Establishment Registration Number: 1818910 |
| 510(K) CONTACT: | Dawn Sinclair, MA<br>Regulatory Affairs Associate<br>Telephone: (574) 372-5023<br>Facsimile: (574) 371-4987<br>Electronic Mail: Dsincla3@its.jnj.com |
| DATE PREPARED: | May 11, 2010 |
| PROPRIETARY NAME(S): | DePuy Universal Gription™ TF Cones (Knee) |
| | DePuy Gription™ TF Acetabular Augment<br>System (Hip) |
| COMMON NAME(S): | Cone Components (Knee) |
| | Acetabular Augments, Buttresses, Shims (Hips) |
| CLASSIFICATION(S): | KNEE |
| | Class II per 21 CFR § 888.3560<br>Knee joint patellofemorotibial<br>polymer/metal/polymer semiconstrained<br>cemented prosthesis |
| | Class II per 21 CFR § 888.3510<br>Knee joint femorotibial metal/polymer<br>Constrained cemented prosthesis |
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# HIP
Class II per 21 CFR § 888.3358 Hip joint metal/polymer/metal semi-constrained porous-coated uncemented prosthesis
Class II per 21 CFR§ 888.3350 Hip joint metal/polymer semi-constrained cemented prosthesis
Class II per 21 CFR § 888.3330 Hip joint metal/metal semi-constrained, with an uncemented acetabular component, prosthesis
Class II per 21 CFR § 888.3353 Hip joint metal/ceramic/polymer semiconstrained cemented or nonporous uncemented prosthesis
#### DEVICE PRODUCT CODE(S):
87JWH, 87KRO (Knee)
87LPH, 87KWA, 87JDI, 87LZO (Hip) .
#### SUBSTANTIALLY EQUIVALENT KNEE DEVICE(S):
Trabecular Metal™ Tibial Cone Augments and
Trabecular Metal™ Femoral Cone Augments, K053340
Trabecular Metal™ Metal Femoral Cone Augments, K051756
# HIP
Trabecular Metal™ Acetabular Augments, K061067 Trabecular Metal™ Acetabular Augments, K042871 Biomet Porous Titanium Acetabular Augments, K052888
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#### DEVICE DESCRIPTION: KNEE
The DePuy Universal Gription TF Cone component is manufactured from Commercially Pure (CP) Titanium Powder conforming to ASTM Specification F-1580. The Gription TF Cone is an optional component intended to provide improved fit of the femoral or tibial prosthesis where the metaphyseal bone in the distal femur or proximal tibia is either absent or of poor quality. The Gription TF Cone component consists of a conical CP Titanium porous structure with a general cone shaped geometry tapering from the surface nearest the joint line to a smaller dimension internal to the metaphysis. The hollow cone shape made of this porous material provides a porous structure to interface with the native bone and an internal geometry that allows for cement adhesion between the cone and the mating implant (either tibial or femoral component). The Gription TF Cone component is affixed to the mating tibial base or femoral component using bone cement. The cones are intended for fixation as an assembled construct in either the proximal tibia or distal femur, with or without bone cement, in cases of severe bone loss.
There are eight component sizes: 45x15, 53x15, 53 mm stepped LT, 53 mm stepped RT, 61x15, 61x30, 61 mm stepped LT, and 61 mm stepped RT. The larger dimension represents the widest M/L points of the cones and the second dimension represents the depth of the implant. The stepped cones will have two depth levels that are split halfway across the part; these depths are 15 and 30 mm. These stepped cones are labeled Left or Right indicating the side with the shorter 15 mm dimension. The narrow end of the cone provides an opening with a minimum dimension across of 24.5 mm to allow for DePuy stems of all diameters to pass through the hole without interfering with the cone.
### DEVICE DESCRIPTION: HIP
The DePuy Gription TF Acetabular Augment System provides an alternative to structural allograft for augmenting moderate to large-sized segmental acetabular defects encountered in acetabular reconstruction. The Gription TF implants are manufactured from Commercially Pure (CP) Titanium powder conforming to ASTM Specification F-1580. The Acetabular Augment implants are used to fill an acetabular defect giving the acetabular shell support where bone is missing or inadequate. The Augment has an inside diameter designed to mate with the outside diameter of the Pinnacle Acetabular Shell system. The porous Gription TF acetabular augment is affixed to the mating acetabular cup using bone cement or mechanical fixation. The Acetabular Augments incorporate screw holes that allow for the use of bone screws for adjunct fixation of the acetabular component to the native bone. The Acetabular Augments also incorporate a slot feature used to mechanically attach the augment to the acetabular shell with or without the use of bone cement. The assembled porous titanium augment/acetabular construct is intended for cemented or cementless use.
The Gription TF Acetabular Augments come in four thicknesses (10, 15, 20 and 30 mm), and six different outside diameters (50, 54, 58, 62, 66 and 70 mm). The 10 mm thick Augments have two holes for pin instrument placement as well as four total screw holes (2 on the flat, 2 in the ID) for adjunct fixation to the host bone. The 15, 20 and 30 mm thick augments have six total screw holes (4 on the flat, 2 in the ID) for adjunct fixation to the host bone. All augments have two
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K100391 #4/6
screw holes on the ID of the Acetabular Augments that were designed to travel perpendicular to the other screw holes for added stability when attached to the host bone. All of the Acetabular Augments have cutouts for clearance when other screws are used in the acetabular shell. Each Augment implant has an inside diameter designed to mate with the outside diameter of the Pinnacle Acetabular Shell system. The Augment implants can be cemented to the shell, or mechanically fixated by threading a 6.5 mm Cancellous bone screw through the shell into the slot in the Augment.
The DePuy Gription TF Acetabular Buttress Augments are designed to support the acetabular shell in a manner similar to the augment implants; however, the Buttress implant spans the defect in the acetabulum. The Gription TF Acetabular Buttress is affixed to the mating acetabular cup using bone cement. The assembled porous titanium buttress/acetabular construct is intended for cemented or cementless use. The Buttress implant is fixated to the host bone by 5.5 mm tapered head locking screws, as well as 6.5 mm Cancellous bone screws using pre-drilled screw holes in the Buttress Augment implant.
The Gription TF Buttress implants come in three sizes (56, 62 and 68 mm) and three configurations (Left, Right and Neutral). Each Buttress implant has six total screw holes; two are for use with 6.5 mm Cancellous bone screws and four are for use with 5.5 mm locking or nonlocking Cancellous bone screws. Each Buttress implant has a spherical inside diameter which is designed to mate with the acetabular shell's outside diameter. The Gription TF Buttress implants were designed to have a curved, tapered top side to facilitate implanting under soft tissue.
The Gription TF Shim implants are designed to mate with the Buttress implant to raise or support the end of the Buttress when pelvic geometries are not flat. The porous Gription TF Shim is affixed to the mating Buttress using bone cement. The assembled porous titanium buttress/shim construct is intended for cementless use. The Shim implant has clearance holes for Buttress screw adjunct fixation.
The Gription TF Shim implants come in three different configurations: 5-degree and 15-degree shapes. The Shim implants have four clearance holes for the 5.5 mm tapered head locking screws coming from the Buttress implant. The Gription TF Shim implants can be oriented in any direction to fit the bony geometry of the patient.
#### Intended Use: Knee
The DePuy Universal Gription TF Cones are intended for use in total knee replacement surgery for patients suffering from severe pain and disability due to permanent structural damage resulting from rheumatoid arthritis, osteoarthritis, post-traumatic arthritis, collagen disorders, pseudogout, trauma or failed prior surgical intervention.
#### Intended Use: Hip
The DePuy Gription TF Acetabular Augment System is intended to provide the orthopaedic surgeon with a prosthetic alternative to structural allograft in cases of segmental acetabular deficiencies.
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K100391 #516
#### Indications for Use: Knee
The DePuy Universal Gription TF Cones are intended for use with the P.F.C. Modular Knee, P.F.C. Sigma Knee, Sigma TC3 Revision Knee, and S-ROM Tibial Tray in total knee replacement surgery for patients suffering from severe pain and disability due to permanent structural damage resulting from rheumatoid arthritis, osteoarthritis, post-traumatic arthritis, collagen disorders, pseudogout, trauma or failed prior surgical intervention.
The porous Gription TF titanium cone is affixed to the mating tibial or femoral component using bone cement. After attachment, the cones are intended for fixation as an assembled construct into either the proximal tibia or distal femur, with or without bone cement.
#### Indications for Use: Hip
The DePuy Gription TF Acetabular Augments, Buttresses and Shims are indicated for use with the Pinnacle® Acetabular Cup System, the Pinnacle® Bantam Acetabular Cup System and the Pinnacle® Revision Acetabular Cup System for total hip replacement in the following conditions:
- A severely painful and/or disabled joint from osteoarthritis, traumatic 1. arthritis, rheumatoid arthritis or congenital hip dysplasia.
- Avascular necrosis of the femoral head. 2.
- 3. Acute traumatic fracture of the femoral head or neck.
- Failed previous hip surgery including joint reconstruction, internal fixation, 4. arthrodesis, hemiarthroplasty, surface replacement arthroplasty, or total hip replacement.
- 5. Certain cases of ankylosis.
The porous Gription TF titanium acetabular augment is affixed to the mating acetabular cup using bone cement or mechanical screw fixation. The assembled augment/acetabular cup construct is intended for cemented or cementless use.
The porous Gription TF titanium shim is affixed to the mating buttress using bone cement. This porous Gription TF titanium buttress is affixed to the mating acetabular cup using bone cement. The assembled buttress/acetabular cup construct is intended for cemented or cementless use.
#### Summary of Technologies/Substantial Equivalence: Knee
The substantial equivalence of the DePuy Universal Gription TF Cones is shown by the similarity in intended use, indications for use, materials and performance to the cited predicate devices and does not present any new issues of safety or effectiveness. The DePuy Universal Gription TF Cones and the legally marketed predicate devices are composed of a highly porous material; the cone is tapered, and; the center of each cone is hollow to allow passage of the stem through the center of the cone into the femoral or tibial canal. The DePuy Universal Gription TF Cones and the Trabecular Metal Femoral Cone Augments both offer an optional metaphyseal component for use with femoral total knee prosthesis components.
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K\V00391 # 6/6
#### Summary of Technologies/Substantial Equivalence: Hip
The substantial equivalence of the DePuy Gription TF Acetabular Augment System is shown by the similarity in intended use, indications for use, materials and performance to the predicate devices and does not present any new issues of safety or effectiveness. The DePuy Gription TF Acetabular System and the legally marketed predicate devices are composed entirely of a highly porous material and have similar technological and geometric features. The DePuy Gription TF Acetabular System and the predicate devices are all intended to provide the orthopaedic surgeon with a prosthetic alternative to structural allograft in cases of segmental acetabular deficiencies. The DePuv Gription TF Acetabular System and the predicate devices incorporate screw holes that allow for the use of bone screws for adjunct fixation.
#### Non-clinical Testing: Knee and Hip
Non-clinical testing was provided, including testing outlined in the FDA "Guidance Document for Testing Orthopedic Implants with Modified Metallic Surfaces Apposing Bone or Bone Cement (28 April 1994)". The following testing was conducted: Animal Testing, Augment Pull-Off and Shear-Off Testing, Screw Push-Out Testing, Screw Pull-Off and Shear-Off Testing, Shear Fatigue Testing per ASTM F1044, Static Shear Testing, Abrasion Strength Testing, Compression Fatigue Strength Testing, Cement Interfacial Tensile and Shear Testing, and Compression Fatigue Strength Testing. This testing and an evaluation of the device design and geometry demonstrated that the DePuy Universal Gription TF Cones and DePuy Gription TF Acetabular Augment System met performance requirements and are as safe and effective as their predicates. This information and testing data formed the basis for a determination of substantial equivalence. The results demonstrated that the device was functional within its intended use.
#### Clinical Testing:
None provided as a basis for substantial equivalence.
#### Conclusion:
The DePuy Universal Gription TF Cones and DePuy Gription TF Acetabular Augment System are substantially equivalent to the predicate devices identified in this premarket notification.
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Image /page/6/Picture/1 description: The image shows the seal of the Department of Health & Human Services (HHS) of the United States. The seal features a stylized caduceus, a symbol often associated with medicine and healthcare, with three intertwined snakes and a staff. The text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" is arranged in a circular pattern around the caduceus.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Room -WO66-G609 Silver Spring, MD 20993-0002
DePuy Orthopaedics, Inc. % Ms. Dawn Sinclair Regulatory Affairs Associate 700 Orthopaedic Drive Warsaw, Indiana 46581
SEP 2 9 2010
Re: K100391
Trade/Device Name: DePuy Universal Gription™ TF Cones & Acetabular Augment System Regulation Number: 21 CFR 888.3560 Regulation Name: Knee joint patellofemorotibial polymer/metal/polymer semi-constrained cemented prosthesis Regulatory Class: Class II Product Code: JWH, KRO, KWA, LPH, JDI, LZO Dated: August 2, 2010 Received: August 4, 2010
Dear Ms. Sinclair:
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.
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
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Page 2 - Ms. Dawn Sinclair
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 go to http://www.fda.gov/AboutFDA/CentersOffices/CDRH/CDRHOffices/ucm115809.htm for the Center for Devices and Radiological Health's (CDRH's) Office of Compliance. 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 Small Manufacturers, International and Consumer Assistance 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.
Sincerely yours,
Sincerely yours,
For
Mark N. Molkerson Dep Dir
Mark N. Melker Director Division of Surgical, Orthopedic and Restorative Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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#### Indications for Use Statement
| 510 (k) Number (if known): | |
|----------------------------|--|
| | |
#### Device Name: DePuy Universal Gription™ TF Cones
#### Indications for Use:
The DePuy Universal Gription™ TF Cones are intended for use with the P.F.C. @ Modular Knee. P.F.C. @ Sigma® Knee, Sigma® TC3 Revision Knee, and S-ROM® Tibial Tray in total knee replacement surgery for patients suffering from severe pain and disability due to permanent structural damage resulting from rheumatoid arthritis, post-traumatic arthritis, collagen disorders, pseudogout, trauma or failed prior surgical intervention.
The porous Gription TF titanium cone is affixed to the mating tibial or femoral component using bone cement. After attachment, the cones are intended for fixation as an assembled construct into either the proximal tibia or distal femur, with or without bone cement.
Device Name: DePuy Gription™ TF Acetabular Augment System
#### Indications for Use:
The DePuy Gription TF Acetabular Augments, Buttresses and Shims are indicated for use with the Pinnacle® Acetabular Cup System, the Pinnacle® Bantam Acetabular Cup System and the Pinnacle® Revision Acetabular Cup System for total hip replacement in the following conditions:
- A severely painful and/or disabled joint from osteoarthritis, traumatic arthritis, rheumatoid 1. arthritis or congenital hip dysplasia.
- Avascular necrosis of the femoral head. 2.
- 3. Acute traumatic fracture of the femoral head or neck.
- 4. Failed previous hip surgery including joint reconstruction, internal fixation, arthrodesis, hemiarthroplasty, surface replacement arthroplasty, or total hip replacement.
- 5. Certain cases of ankylosis.
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The porous Gription TF titanium acetabular augment is affixed to the mating acetabular cup using bone cement or mechanical screw fixation. The assembled augment/acetabular cup construct is intended for cemented or cementless use.
The porous Gription TF titanium shim is affixed to the mating buttress using bone cement. This porous Gription TF titanium buttress is affixed to the mating acetabular cup using bone cement. The assembled buttress/acetabular cup construct is intended for cemented or cementless use.
| Prescription Use<br>(Part 21 CFR 801 Subpart D)<br>X | AND/OR | Over-The-Counter Use<br>(21 CFR 807 Subpart C) |
|------------------------------------------------------|--------|------------------------------------------------|
|------------------------------------------------------|--------|------------------------------------------------|
# (PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE OF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
Arutu for mxm
(Division Sign off)
(Division Sign Division of Surgical, Orthopedic, and Restorative Devices
510(k) Number K100391
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
Part 1 — Search, results, and everyday workflows 16 min
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.