(116 days)
This device is intended for use in combination with UNITED Femoral System for cemented or cementless hip replacement in skeletally mature patients with the following conditions: non-inflammatory degenerative joint disease such as osteoarthritis, avascular necrosis, ankylosis, protrusio acetabuli, and painful hip dysplasia; inflammatory degenerative joint disease such as rheumatoid arthritis; correction of function deformity; revision procedures where other treatments or devices have failed; treatment of nonunion, femoral neck, and trochanteric fractures of the proximal femur with head involvement that are unmanageable using other techniques.
"UNITED" U2 Bipolar Implant, designed with a simple one-step assembly interface between femoral head and U2 Bipolar Implant, is a hemiarthroplasty design. U2 Bipolar Implant consists of an outer shell into which a bearing insert has been permanently assembled. The bearing insert has a factory assembled stopper ring and metal wire. The assembled prosthesis provides for primary articulation at the femoral head/inner polyethylene bearing interface and secondary articulation at the outer shell/acetabulum interface. The internal aspect of the shell is designed to lock the polyethylene liner. The outer metal surfaces of the bipolar hip prosthesis are highly polished for articulation with the patient's acetabulum. Components are available in a range of sizes to fit varying anatomical requirements. U2 Bipolar Implant are offered in 41-73 mm outer diameters and is designed to be used with either 26mm, 28mm, or 36 mm femoral heads, depending on the inner diameter liner. The minimum thickness of the polyethylene at its thinnest point at a load bearing area of the liner is at lest 5.mm in U2 Bipolar Implant.
The provided 510(k) summary for the U2 Bipolar Implant (K101670) does not contain the detailed information requested regarding specific acceptance criteria, study designs, sample sizes for test sets, expert qualifications, or ground truth establishment.
Instead, the submission focuses on demonstrating substantial equivalence to predicate devices (U1 Hip System - Bipolar (K050269) and "Wright" GLADIATOR Bipolar System (K062693)) through device description, intended use, and a limited set of performance bench tests.
Here's a breakdown of what can be extracted and what is missing based on your request:
1. A table of acceptance criteria and the reported device performance
| Acceptance Criteria | Reported Device Performance |
|---|---|
| Integrity of locking mechanism | Referencing substantial equivalence to predicate devices, implying comparable performance. |
| Range of motion evaluation | Referencing substantial equivalence to predicate devices, implying comparable performance. |
Note: The document only lists the types of performance tests performed, not specific quantitative acceptance criteria or the numerical results of those tests. The basis for acceptance appears to be substantial equivalence to predicate devices, meaning the U2 Bipolar Implant performs similarly to the U1 Hip System - Bipolar and the "Wright" GLADIATOR Bipolar System for these tests.
2. Sample size used for the test set and the data provenance
The document only mentions "Performance Test - Bench" and lists two tests. It does not specify any sample sizes for these tests or the data provenance (e.g., country of origin, retrospective/prospective). These were likely conducted in vitro (bench tests) rather than using patient data.
3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts
This information is not provided as the tests described are bench tests and do not involve human expert assessment for ground truth.
4. Adjudication method (e.g. 2+1, 3+1, none) for the test set
This information is not applicable and not provided as the tests described are bench tests and do not involve human adjudication.
5. If a multi reader multi case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance
This information is not applicable and not provided. This submission is for a physical orthopedic implant, not an AI-assisted diagnostic device or software that would involve human readers.
6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done
This information is not applicable and not provided. This submission is for a physical orthopedic implant, not an algorithm or software.
7. The type of ground truth used (expert consensus, pathology, outcomes data, etc.)
For the bench tests mentioned, the "ground truth" would be the engineering specifications and design requirements for the locking mechanism and range of motion for hip implants, which are typically established through industry standards, regulatory guidance, and comparisons to predicate devices. The document does not explicitly state the type of ground truth used but implies adherence to established engineering principles for orthopedic devices.
8. The sample size for the training set
This information is not applicable and not provided. The device is a physical hip implant, not an AI model that requires a training set.
9. How the ground truth for the training set was established
This information is not applicable and not provided. The device is a physical hip implant, not an AI model.
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OCT - 8 2010
510(k) Summary
510(k) Summary of Safety and Effectiveness
Submission Information
| Company: | United Orthopedic Corporation |
|---|---|
| Address: | No 57, Park Ave 2, Science Park, Hsinchu 300, Taiwan |
| Contact Person: | Fang-Yuan Ho, |
| Regulatory Affairs Manager | |
| Phone:+886-3-5773351 ext. 212 | |
| Fax:+886-3-5777156 | |
| Date Prepared: | June 11, 2010 |
Device Identification
| Device Name: | U2 Bipolar Implant |
|---|---|
| Common Name: | Bipolar endoprosthesis |
| Classification Nameand Reference : | Hip Joint femoral (Hemi-Hip) Metal/Polymer Cemented orUncemented Prosthesis per 21CFR 888.3390. This falls underthe Orthopedics panel. |
| Predicate Device: | 1. "UNITED" U1 Hip System – Bipolar (K050269)2. "Wright" GLADIATOR Bipolar System (K062693) |
Device Description:
"UNITED" U2 Bipolar Implant, designed with a simple one-step assembly interface between femoral head and U2 Bipolar Implant, is a hemiarthroplasty design. U2 Bipolar Implant consists of an outer shell into which a bearing insert has been permanently assembled. The bearing insert has a factory assembled stopper ring and metal wire. The assembled prosthesis provides for primary articulation at the femoral
UOC-FDA-014
Page: Summary-1/3
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0 U2 Bipolar Implant (K 101670)
head/inner polyethylene bearing interface and secondary articulation at the outer shell/acetabulum interface. The internal aspect of the shell is designed to lock the polyethylene liner. The outer metal surfaces of the bipolar hip prosthesis are highly polished for articulation with the patient's acetabulum. Components are available in a range of sizes to fit varying anatomical requirements.
U2 Bipolar Implant are offered in 41-73 mm outer diameters and is designed to be used with either 26mm, 28mm, or 36 mm femoral heads, depending on the inner diameter liner. The minimum thickness of the polyethylene at its thinnest point at a load bearing area of the liner is at lest 5.mm in U2 Bipolar Implant.
Intended Use
U2 Bipolar Implant is intended for use in combination with UNITED Femoral System for cemented or cementless hip replacement in skeletally mature patients with the following conditions: non-inflammatory degenerative joint disease such as osteoarthritis, avascular necrosis, ankylosis, protrusio acetabuli, and painful hip dysplasia; inflammatory degenerative joint disease such as rheumatoid arthritis; correction of function deformity; revision procedures where other treatments or devices have failed; treatment of nonunion, femoral neck, and trochanteric fractures of the proximal femur with head involvement that are unmanageable using other techniques.
Basis for Substantial Equivalence:
The safety and effectiveness of U2 Bipolar Implant are substantially equivalent to the previously cleared U1 Hip System -- Bipolar (K050269), except for an extension in the size distribution and increasing stopper ring design. In addition, the subject device is also substantial equivalence to the "Wright" GLADIATOR Bipolar System (K062693).
UOC-FDA-014
Page: Summary-2/3
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These two devices both use a locking ring mechanism.
Performance Test - Bench:
The following tests were performed:
-
- The integrity of locking mechanism
- Range of motion evaluation 2.
UOC-FDA-014
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DEPARTMENT OF HEALTH & HUMAN SERVICES
Image /page/3/Picture/1 description: The image shows a black and white logo. The logo features a stylized bird in flight, with three parallel lines forming its body and wings. The bird is oriented towards the right. Encircling the bird is text that appears to follow the curve of the circle. The text is not clearly legible due to the image quality.
Public Health Scrvice
OCT 0 8 2010
Food and Drug Administration 10903 New Hampshire Avenuc Document Control Room -- WO66-G609 Silver Spring, MD 20993-0002
United Orthopedic Corporation % Ms. Fang-Yuan Ho 57 Park Ave Science Park Hsinchu, TW 300
Re: K101670
Trade/Device Name: U2 Bipolar Implant Regulation Number: 21 CFR 888.3390 Regulation Name: Hip joint femoral (hemi-hip) metal/polymer cemented or uncemented Regulatory Class: Class II Product Code: KWY Dated: October 4, 2010 Received: October 7, 2010
Dear Ms. Ho:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Pederal 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, invince of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contractly and warranties. We remind you, however, that device labeling must be nuth to book not midlers ing.
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 PDA'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: registroution and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting (reporting of maniti device-rolated adverse events) (21 CFR 803); good manufacturing practice requirements as et
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Page 2 – Ms. Fang-Yuan Hol.
ು ಸ
forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 53)-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 the Courter for gover DA/CentersOffices/CDRH/CDRHOffices/ucm/15800, bttp://www.fov the Center for Devices and Radiological Health's (CDRH's) Office of Compliance. Also, please note the regulation ontitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97). For questions regarding the reporting of adverse events under the MDK regulation (2) 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 tollillibe
1800) 638-2041 - 12011-7011 706-700 (800) 638-2041 or (301) 796-7100 or at its Internet address http://www.fda.gov/MedicalDevices/ResourcessforYou/Industry/default.htm.
Sincerely_yours.
Mark N. Melkerson
Director Division of Surgical, Orthopedic, and Restorative Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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Indication for Use
510 (k) Number (if known): ___________________________________________________________________________________________________________________________________________________
Device Name: _U2 Bipolar Implant
Indications for Use:
: 11 11 11
This device is intended for use in combination with UNITED Femoral System for comented or cementless hip replacement in skeletally mature patients with the following conditions: non-inflammatory degenerative joint disease such as osteoarthritis, avascular necrosis, ankylosis, protrusio acetabuli, and painful hip dysplasia; inflammatory degenerative joint disease such as theumatoid arthritis; correction of function deformity; revision procedures where other treatments or devices have failed; treatment of nonunion, femoral neck, and trochanteric fractures of the proximal femur with head involvement that are unmanageable using other techniques.
Prescription Use __x (Part 21 CFR 801 Subpart D)
AND/OR
Over-The-Counter Use (21 CFR 801 Subpart C)
:
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
Dand Kame for MXM
(Division Sign-Off)
Division of Surgical, Orthopedic,
and Restorative Devices
Page 1 of 1
510(k) Number. K101670
§ 888.3390 Hip joint femoral (hemi-hip) metal/polymer cemented or uncemented prosthesis.
(a)
Identification. A hip joint femoral (hemi-hip) metal/polymer cemented or uncemented prosthesis is a two-part device intended to be implanted to replace the head and neck of the femur. This generic type of device includes prostheses that have a femoral component made of alloys, such as cobalt-chromium-molybdenum, and a snap-fit acetabular component made of an alloy, such as cobalt-chromium-molybdenum, and ultra-high molecular weight polyethylene. This generic type of device may be fixed to the bone with bone cement (§ 888.3027) or implanted by impaction.(b)
Classification. Class II.