The Centro wheelchairs are designed solely for individual use by persons who are unable to walk or who have a walking impediment, and can be operated either by the patient or by another person. Centro wheelchairs are suitable for patients with walking impediments/inability due to, but not limited to:

. Palsies/Paralyses
. Defective and/or deformed limbs
Loss of limb (leg amputation) .
. Joint contractures/defects
Diseases such as cardiac or circulatory insufficiency, balance disorders . or cachexia, as well as geriatric patients who still have usable residual strength in the upper limbs.

Device Description

The Centro Wheelchairs are an uncomplicated line of wheelchair (S1 and A3 models) and are appropriate for short-term use. The Centro wheelchairs are very robust, which ensures that they will have a long service life. The product has a functional knee lever lock. The stable cross brace ensures that it folds easily. Thus, the Gentro can be folded to a very small size easily, and it is convenient to transport or space-saving for storage. The Centro with 124 rear wheels offers the possibility to use it as a functional transit wheelchair. Due to the nylon covering of seat and back upholstery, the chairs are easy to clean or disinfect and thus always quickly ready for use.

AI/ML Overview

The provided document is a 510(k) summary for a manual wheelchair. It describes the device's features, intended use, and the standards it meets. However, it does not contain information about acceptance criteria for an AI/ML device, a study that proves the device meets those criteria, or details regarding the establishment of ground truth by expert readers, multi-reader multi-case studies, or training/test set data specifics.

The document specifically states that the device is a "Manual Wheelchair" and that testing was conducted according to engineering and quality standards for medical devices and wheelchairs (e.g., DIN EN 12182, ISO 7176 series). It also mentions a "field test" to verify suitability for daily use.

Therefore, I cannot fulfill most of your request directly from the provided text, as the questions pertain to the evaluation of an AI/ML-based medical device, which this wheelchair is not.

Here's a breakdown of why I cannot answer each point from the provided text:

A table of acceptance criteria and the reported device performance: The document lists various ISO and DIN EN standards the wheelchair complies with (e.g., determination of static stability, brake efficiency, dimensions, static impact/fatigue strengths). These are the "acceptance criteria" for a mechanical device, and the document implicitly states the device "was conducted by Berlin Cert" and "is certified for CE conformity and its suitability for daily use was verified in a field test," implying it met these standards. However, it does not provide numerical performance data like sensitivity/specificity for an AI model.
Sample sized used for the test set and the data provenance (e.g. country of origin of the data, retrospective or prospective): Not applicable for a mechanical wheelchair. The "test set" would be physical wheelchairs subjected to engineering tests, not data.
Number of experts used to establish the ground truth for the test set and the qualifications of those experts (e.g. radiologist with 10 years of experience): Not applicable. Ground truth for a wheelchair's performance is established by direct physical measurements according to standards, not by expert interpretation of data.
Adjudication method (e.g. 2+1, 3+1, none) for the test set: Not applicable.
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: Not applicable. This is for AI-assisted diagnostic or interpretative tasks.
If a standalone (i.e. algorithm only without human-in-the-loop performance) was done: Not applicable.
The type of ground truth used (expert concensus, pathology, outcomes data, etc): For this mechanical device, the ground truth is established by the specifications of the DIN EN and ISO standards and direct physical testing against those standards. For example, "determination of static stability" involves specific weight and angle measurements to meet a standard, not a human expert consensus.
The sample size for the training set: Not applicable. This device does not use a "training set" in the AI/ML context.
How the ground truth for the training set was established: Not applicable.

In summary, the provided text describes the regulatory clearance process for a manual wheelchair, focusing on its compliance with established mechanical engineering and safety standards, not on the performance of an AI/ML diagnostic or assistive device.

Summary

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OTTO BOCK®

QUALITY FOR LIFE

K111045
JUL 15 2011

510(k) SUMMARY of SAFETY and EFFECTIVENESS

A. General Information

1. Submitter's Name.:	OTTO BOCK Health Care, LP
2. Address:	Two Carlson Parkway North, Suite 100Minneapolis, Minnesota USA 55447-4467
3. Telephone:	763-253-5610
4. Contact Person:	William Kabitz, Quality Assurance Manager
5. Date Prepared:	March 29th, 2011
6. Registration Number:	2182293

B. Device

1. Name:	Centro Family of Wheelchairs
2. Trade Name:	Centro S1 and Centro A3
3.Common Name:	Manual Wheelchair
4. Classification Name:	Wheelchair, Manual
5. Product Code:	IOR
6. Class:	I
7. Regulation Number:	890.3850

C. Identification of Legally Marketed Predicate Device

1. Name:	Start – Mobile Positioning System
2. Manufacture:	Otto Bock HealthCare, Mobility Solutions
3. K Number:	K052681
4. Date Cleared:	October 06, 2005

D. Description of the Device

్లో ప్ర

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Otto Bock®

QUALITY FOR LIFE

The Centro with 124 rear wheels offers the possibility to use it as a functional transit wheelchair. Due to the nylon covering of seat and back upholstery, the chairs are easy to clean or disinfect and thus always quickly ready for use.

Features

. Silver-colored frame made of aluminum or steel
Footrests with swinq in/swing out function, removable .
Side panels adjustable, can be swung away to the rear .
Small folded size .
Single stable steel cross-brace .
. 8 Variants available from stock
. 6" caster of solid rubber
Variant with drum brakes available ●
. Tip-Assist included
. Knee lever lock standard

Options

. Anti-tipper
. Desk Side Panels
Fold-down Footrests
Lap belt .
Transfer Version with 12" Drive Wheel .
Heel Band ●
Seat Cushion Sizes .
Crutch holder .

E. Indicated Use Statement

The Centro wheelchairs are designed solely for individual use by persons who are unable to walk or who have a walking impediment, and can be operated either by the patient or by another person.

F. Field of Application

The Centro S1 and A3 standard wheelchairs are suitable for patients with walking impediments/inability due to, but not limited to:

. Palsies/Paralyses
Defective and/or deformed limbs .
Loss of limb (leg amputation) .
. Joint contractures/defects
. Diseases such as cardiac or circulatory insufficiency, balance disorders or cachexia, as well as geriatric patients who still have usable residual strength in the upper limbs.

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Otto Bock®

UALITY FOR LIF

G. Technological Characteristics Summary

TÜV – test for medical devices (requirements according to the European Directive for Medical Products 93/42/EEC, DIN EN 12183:1999, DIN EN 12182:1999, and tests specified for wheelchairs (DIN EN 1888). The product is certified for CE conformity and its suitability for daily use was verified in a field test.

Additional product testing to the following ISO standards was conducted by Berlin Cert, Institute for Testing and Certification of Medical Devices: (http://www.berlincert.de/de/frameset.php?lang=en&page=home )

DIN EN 12182:1999 Technical aids for disabled persons
DIN EN 12183:1999 manually propelled wheelchairs requirements & test methods
ISO 7176-1:1999 -- Wheelchairs -- Part 3: Determination of static stability
ISO 7176-3:2003 Wheelchairs Part 3: Determination of efficiency of brake
ISO 7176-5:1986 Wheelchairs Part 5: Determination of dimensions, turning space
ISO 7176-7:1998 Wheelchairs part 7: Measurement of seating & wheel dimensions
ISO 7176-8:1998 Wheelchairs Part 8: Requirements, static impact/fatigue strengths
ISO 7176-15:1996 Wheelchairs Part 15: Requirement for labeling

Signatures:

Quality Assurance Manager
mf Kabitz

President & CEO US Healthcare

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DEPARTMENT OF HEALTH & HUMAN SERVICES

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 stylized eagle or bird-like symbol with three curved lines representing its wings or body. The text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" is arranged in a circular fashion around the bird symbol. The text is in all capital letters.

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

OTTO Bock Health, Care, LP % Mr. William Kabitz Quality Assurance Manager Two Carlson Parkway North, Suite 100 Minneapolis, Minnesota 55447

JUL 1 5 2011

Re: K111045

Trade/Device Name: Centro Manual Wheelchair Regulation Number: 21 CFR 890.3850 Regulation Name: Mechanical wheelchair Regulatory Class: Class I Product Code: IOR Dated: April 1, 2011 Received: April 18, 2011

Dear Mr. Kabitz:

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 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 (reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set

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Page 2 - Mr. William Kabitz

forth in the quality systems (OS) 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/CDRH0ffices/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/ReportalProblem/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,

El Keith

for 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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Otto Bock®

QUALITY FOR LIFE

APPENDIX F

Indications For Use Form

510(k) Number (if known): To be determined

Device Name: Centro Manual Wheelchair

Indications for Use:

. Palsies/Paralyses
. Defective and/or deformed limbs
Loss of limb (leg amputation) .
. Joint contractures/defects
Diseases such as cardiac or circulatory insufficiency, balance disorders . or cachexia, as well as geriatric patients who still have usable residual strength in the upper limbs.

(Division Sign-Off)

Division of Surgical, Orthopedic, and Restorative Devices

KIII Q45 510(k) Number .

Prescription Use (Part 21 CFR 801 Subpart D)

AND/OR

Over-The-Counter Use X (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)

Regulation Number and Section

§ 890.3850 Mechanical wheelchair.

(a)
Identification. A mechanical wheelchair is a manually operated device with wheels that is intended for medical purposes to provide mobility to persons restricted to a sitting position.(b)
Classification. Class I (general controls).