K012294 · Millennium Medical Technologies, Inc. · KTT · Mar 4, 2002 · Orthopedic
Device Facts
Record ID
K012294
Device Name
WRISTORE FIXATOR
Applicant
Millennium Medical Technologies, Inc.
Product Code
KTT · Orthopedic
Decision Date
Mar 4, 2002
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 888.3030
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The Wristore Fixator is intended to provide external fixation of the upper extremity. External fixation devices allow for three plane (axial, AP & medio/lateral) control over fractures and bone segments.
Device Story
Wristore Fixator; external fixator for upper extremity fractures. Inputs: bone segments requiring stabilization. Operation: surgeon places K-wires and fixation pins into bone; polyetherimide resin external frame attached and tightened to stabilize fracture; provides three-plane (axial, AP, medio/lateral) control. Output: stabilized bone segments. Used in clinical/surgical settings by physicians. Benefits: fracture stabilization via external fixation. Supplied non-sterile; requires steam sterilization before use. Uses standard orthopaedic instrumentation for placement and adjustment.
Clinical Evidence
No clinical data provided. Substantial equivalence is based on design, material, and intended use comparisons to legally marketed predicate devices. Bench testing validated the cleaning protocol and steam sterilization cycle (250° F for 30 minutes) in accordance with AAMI ST32 Method 3, Protocol B.
Indicated for patients requiring external fixation for Colles, mid, and proximal fractures of the upper extremity.
Regulatory Classification
Identification
Single/multiple component metallic bone fixation appliances and accessories are devices intended to be implanted consisting of one or more metallic components and their metallic fasteners. The devices contain a plate, a nail/plate combination, or a blade/plate combination that are made of alloys, such as cobalt-chromium-molybdenum, stainless steel, and titanium, that are intended to be held in position with fasteners, such as screws and nails, or bolts, nuts, and washers. These devices are used for fixation of fractures of the proximal or distal end of long bones, such as intracapsular, intertrochanteric, intercervical, supracondylar, or condylar fractures of the femur; for fusion of a joint; or for surgical procedures that involve cutting a bone. The devices may be implanted or attached through the skin so that a pulling force (traction) may be applied to the skeletal system.
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0122994
## (k) Premarket Notification ummary of Safety and Effectiveness Information
#### Device Name:
Wristore Fixator Trade Name: Common Name: External Fixator Classification Name: Single/multiple component metallic bone fixation appliance and accessories.
#### Establishment Name & Registration Number:
Millennium Medical Technologies, Inc. Name: Number: Pending
#### Classification:
### § 888.3030 Single/multiple component metallic bone fixation appliances and accessories.
(a) Identification. Single/multiple component metallic bone fixation appliances and accessories are devices intended to be implanted consisting of one or more metallic components and their metallic fasteners. The devices contain a plate, a nail/plate combination, or a blade/plate combination that are made of alloys, such as cobalt-chromium-molybdenum, stainless steel, and titanium, that are intended to be held in position with fasteners, such as screws and nails, or bolts, nuts, and washers. These devices are used for fixation of fractures of the proximal or distal end of long bones, such as intracapsular, intertrochanteric, intercervical, supracondylar, or condylar fractures of the femur; for fusion of a joint; or for surgical procedures that involve cutting a bone. The devices may be implanted or attached through the skin so that a pulling force (traction) may be applied to the skeletal system. (b) Classification. Class II.
Device Class: Class II for all requested indications.
Classification Panel: Physical Medicine Devices Panel
Product Code: 87KTT/HRS
#### Substantially Equivalent Device(s):
Millennium Medical Technologies, Inc. believes that the Wristore is substantially equivalent to the following legally marketed upper extremity external fixators marketed by DePuy, Inc and Synthes, Inc. respectively.
- K003397, Colles C Series Frame Sterile Pack. ●
- K984498, Articulating Distal Radius Fixator. ●
Both referenced equivalent fixators are legally marketed. Both fixators have the same indications for use as the Wristore and, in the case of the Synthes fixator, is made from the identical material. All three systems utilize the same type of fixation pins. All three systems are clinically equivalent in terms of design, materials, indications, cautions, precautions and adverse events. A feature comparison chart is included at the end of the summary that graphically depicts substantial equivalence.
#### Description of the Device:
The materials utilized for the construction of the external elements of the Wristore Fixator are medical grade polyetherimide resin. This material is the identical material utilized to construct the Articulating Distal Radius Fixator (K984498). The materials utilized in the instruments and pin guides are instrument grade stainless steel. The pins and K-wires used to fix the fractured bones are produced from implant grade stainless steel (316L). The Wristore Fixator utilizes legally marketed commercially available fixation pins and/or K-wires. Once the provided K-wires and pins have been properly placed, the poly-resin external frame is tightened and the fracture(s) stabilized. Typical orthopaedic instrumentation is provided to place, tighten and adjust the fixator.
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#### Each Wristore Fixator is supplied with:
- Main Body Fixator 1.
- Radial Triangle 2.
- Double K-wire Clamp (up to 1.0mm) 3.
- 4. Single K-wire Clamp
- Universal Inserter stainless steel ഗ
- Pin Guide stainless steel 6.
- K-wires 316L SS, 0.08, 3 each 7.
- Threaded Half Pins 316L SS, (2.5, 3.0, 3.5 & 4.0mm) 4 each. 8.
is supplied with standard, commercially available orthopaedic instruments. No The Wristore Fixator proprietary or specialized instruments are needed to use the system.
#### Sterilization, Packaging and Storage:
The Wristore Fixator is supplied NON-STERILE. The Wristore Fixator and instruments must be sterilized before use. The device is supplied clean and has been processed to remove debris and manufacturing residue. Before using, all labels and packaging materials must be removed and the device and instruments thoroughly washed before sterilization and use. Cleaning and rinsing should be conducted in accordance with accepted hospital practice using hot water and a commercial instrument detergent or soap. Once cleaned, the Wristore Fixator may be sterilized according the following validated steam sterilization cycle:
Saturated steam at 250° F for 30 minutes. This cycle will provide a Sterility Assurance Level (SAL) of at least Validation of the recommended cleaning protocol and sterilization cycle is complete. Validation was 10°. achieved in accordance with a modified AAMI ST32 Method 3, Protocol B as recommended by the biological testing laboratory. Validation for the following cycle is on file at Millennium Medical Technologies, Inc.:
| Method: | Steam |
|----------------|-----------------|
| Cycle: | Gravity |
| Temperature: | 250° F (121° C) |
| Exposure Time: | 30 minutes |
#### Applicant / Sponsor Name / Address:
Millennium Medical Technologies, Inc. · 460 St. Michaels Drive, Suite 901 Santa Fe, New Mexico, 87505 505.988.7595 - 505.988.7234 fax
#### Contact Person:
Mr. Fred Kolb Millennium Medical Technologies, Inc. 460 St. Michaels Drive, Suite 901 Santa Fe, New Mexico, 87505 505.988.7595 - 505.988.7234 fax
#### Submission Correspondent:
Mr. David W. Schlerf Buckman Company, Inc. 200 Gregory Lane, Suite C-100 Pleasant Hill, CA 94523-3389 925.356.2640 / 925.356.2654 FAX
#### Manufacturing Facility:
At the present time, the Wristore Fixator is manufactured under contract for Millennium Medical Technologies, Inc.
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Image /page/2/Picture/1 description: The image shows a string of alphanumeric characters. The characters are 'KOLDJ94'. The characters are written in a handwritten style. The background of the image is white.
:
# Feature Comparison Table:
.
| FEATURE | Wristore Fixator | DePuy Colles C series frame | Synthes USA - Articulating<br>Distal Radius Fixator | SE? |
|--------------------------|------------------------------------------------------------|-----------------------------|-----------------------------------------------------|------------|
| Intended Use: | Colles, mid & proximal<br>fractures of the upper extremity | Same | Same | Yes |
| Design: | Single frame, transfixing pin<br>based external fixator | Same | Same | Yes |
| Supplied<br>Sterile: | No | Yes | Yes | No |
| Single Use: | Yes | No | Yes | Yes |
| Sterilization<br>Method: | Steam | Unknown | Unknown | ??? |
| Materials: | Polyethermide resin, stainless<br>steel | Metallic | Polyethermide resin,<br>stainless steel | No/<br>Yes |
| Product Code: | KTT/HRS | KTT | HRS | Yes |
| K-Number | K012294 | K003397 | K984498 | Yes |
and the comments of the comments of
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Image /page/3/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo consists of a circular emblem with the text "DEPARTMENT OF HEALTH & HUMAN SERVICES • USA" arranged around the circumference. Inside the circle is a stylized image of an eagle with its wings spread, symbolizing the department's mission to protect the health of all Americans.
Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850
MAR 4 2002
Millenium Medical Technologies, Inc c/o Mr. David Schlerf Buckman Company, Inc 200 Gregory Lane Suite C-100 Pleasant Hill, California 94523-3389
Re: K012294 Trade Name: Wristore Fixator Regulatory Number: 888.3030 and 888.3040 Regulation Name: Single/multiple component metallic bone fixation appliances and accessories; and Smooth or threaded metallic bone fixation fastener Regulatory Class: II Product Code: KTT and NDK Dated: December 14, 2001 Received: January 24, 2002
Dear Mr. Schlerf:
We have reviewed your Section 510(k) premarket notification of intent to market the device We have reviewed your becaon 310(x) premised the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate 101 use stated in the encrosule) (c 10gm) and ment date of the Medical Device Amendments, or to commence prior to May 20, 1976, the excordance with the provisions of the Federal Food, Drug, devices that have been rochasined in assee approval of a premarket approval application (PMA). alla Cosmetic Act (Fee) market the device, subject to the general controls provisions of the Act. The Tournal controls provisions of the Act include requirements for annual registration, listing of general controls provisions of the rist labeling, and prohibitions against misbranding and adulteration.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it If your device is classified (500 abor of als. Existing major regulations affecting your device can
may be subject to such additional controls. Existing major regulations a may be subject to sublications: voulations, Title 21, Parts 800 to 898. In addition, FDA may ov found in the Ourcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean I Toast of advised that I Dri of issuaires swour device complies with other requirements of the Act that I Dri has made a colorized by other Federal agencies. You must of any I cuchar statutes and regulations and limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); good manufacturing practice requirements as set CFA ratt 807); adomig (21 CFR Part 820); and if applicable, the electronic forth in the quality systems (Sections 531-542 of the Act); 21 CFR 1000-1050.
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Page 2 - Mr. David Schlerf
This letter will allow you to begin marketing your device as described in your Section 510(k) rmarket notification. The FDA finding of substantial equivalence of your device to a legally promation holicated device results in a classification for your device and thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801 and additionally 21 CFR Part 809.10 for in vitro diagnostic devices), please contact the Office of Compliance at (301) 594-4659. Additionally, for questions on the promotion and advertising of Compliance alease contact the Office of Compliance at (301) 594-4639. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97). Other general information on your responsibilities under the Act may be obtained from the Division of Small Manufacturers, International and Consumer Assistance at its toll-free number (800) 638-2041 or (301) 443-6597 or at its Internet address http://www.fda.gov/cdrh/dsma/dsmamain.html
Sincerely yours,
Sincerely yours,
for Mark N. Millenson
Celia M. Witten, Ph.D., M.D. Director Division of General, Restorative and Neurological Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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**510(k) Number**: K012294
Wristore Fixator Device Name(s):
# Intended Use(s) of the Device:
The Wristore Fixator is intended to provide external fixation of the upper External fixation devices allow for three plane (axial, AP & extremity. medio/lateral) control over fractures and bone segments.
PLEASE DO NOT WRITE BELOW THIS LINE - CONTINUE ON ANOTHER PAGE IF NECESSARY Concurrence of CDRH, Office of Device Evaluation (ODE)
Mark A Millman
Division Sign-Off) Division of General, Restorative and Neurological Devices
510(k) Number ***_***__ K012294
OR
OR
Over-The-Counter Use (Optional format 1-2-96)
Prescription Use (Per 21 CFR 801.109)
Wristore.doc
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.