K133692 · Imris, Inc. · LNH · Feb 10, 2014 · Radiology
Device Facts
Record ID
K133692
Device Name
IMRI 1.5T AND IMRI 3T S
Applicant
Imris, Inc.
Product Code
LNH · Radiology
Decision Date
Feb 10, 2014
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 892.1000
Device Class
Class 2
Attributes
3rd-Party Reviewed
Indications for Use
The iMRI 1.5T A and 3T S are indicated for use as a magnetic resonance diagnostic device (MRDD) that produces transverse, sagittal, coronal and oblique cross sectional images, spectroscopic images and / or spectra, and that displays the internal structure and / or function of the head, body or extremities. Other physical parameters derived from the images and/or spectra may also be produced. Depending on the region of interest, contrast agents may be used. These images and/or spectra and the physical parameters derived from the images and/or spectra when interpreted by trained physician yield information that may assist in diagnosis. The iMRI 1.5T A and 3T S systems may also be used for imaging during intra-operative and interventional procedures when performed with MR safe devices or MR conditional devices approved for use with the MR scanner. The iMRI 1.5T A and 3T S MRI systems may also be used for imaging in a multi-room suite.
Device Story
iMRI 1.5T A and 3T S are traditional MRI units mounted on an overhead rail system; designed for intra-operative and multi-room use. Magnet resides in a diagnostic room; moves into an RF-shielded OR suite when imaging is requested. System components include Siemens MAGNETOM MRI unit, IMRIS Magnet Mover, OR table, RF coils, and 3-pin head fixation device. Operated by radiologists and surgeons to acquire high-resolution images before, during, and after surgical procedures. Output consists of cross-sectional images and spectroscopic data; interpreted by physicians to guide surgical decision-making and diagnosis. Benefits include immediate intra-operative imaging without moving the patient from the OR environment.
Clinical Evidence
Bench testing only. Verification and validation testing performed to confirm equivalence to Siemens MAGNETOM Skyra and Aera systems. Testing included compliance with IEC 60601-1, IEC 60601-2, and IEC 60601-2-33 standards. Performance verified against specifications for signal-to-noise ratio, image uniformity, geometric distortion, slice profile, and high-contrast spatial resolution. Sample clinical images provided.
Technological Characteristics
System consists of a modified Siemens MAGNETOM MRI unit on an overhead rail system. Includes Magnet Mover Assembly, OR table, RF coils, and 3-pin head fixation device. Operates as a standard MRI with 1.5T or 3T field strength. Software is identical to Siemens MAGNETOM Aera/Skyra. Complies with IEC 60601-1, IEC 60601-1-2, IEC 60601-2-33, and IEC 62304 standards.
Indications for Use
Indicated for patients requiring diagnostic, intra-operative, or interventional MRI imaging of the head, body, or extremities. Used by trained physicians to assist in diagnosis via cross-sectional images and spectra. Compatible with MR-safe or MR-conditional devices for intra-operative use.
Regulatory Classification
Identification
A magnetic resonance diagnostic device is intended for general diagnostic use to present images which reflect the spatial distribution and/or magnetic resonance spectra which reflect frequency and distribution of nuclei exhibiting nuclear magnetic resonance. Other physical parameters derived from the images and/or spectra may also be produced. The device includes hydrogen-1 (proton) imaging, sodium-23 imaging, hydrogen-1 spectroscopy, phosphorus-31 spectroscopy, and chemical shift imaging (preserving simultaneous frequency and spatial information).
Special Controls
*Classification.* Class II (special controls). A magnetic resonance imaging disposable kit intended for use with a magnetic resonance diagnostic device only is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 892.9.
Predicate Devices
Neuro II-SE Intra-operative Magnetic Resonance Imaging System (K071099)
Neuro III-SV Intra-operative Magnetic Resonance Imaging System (K083137)
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IMRIS O
iMRI 1.5T A and 3T S
510(k) Premarket Notification
、
# 510(k) Summary
FEB 1 0 2014
This 510(k) summary is submitted in accordance with the requirements of 21 C.F.R. Part §807.92.
| Submitter: | IMRIS, Inc. |
|---------------------------|---------------------------------------------------------------|
| | 5101 Shady Oak Rd |
| | Minnetonka, MN 55343 |
| | USA |
| | Establishment Registration Number: Not assigned yet |
| Contact Person: | Sanjay Shah, P.Eng. |
| | Manager, Regulatory Affairs |
| Telephone: | 763.203.6380 |
| Fax: | 204.480.7071 |
| Email: | sshah@imris.com |
| Alternate Contact Person: | Daniel Biank, JD, MEng, PE, RAC |
| | Vice President, Regulatory Affairs |
| Telephone: | 763.203.6310 |
| Fax: | 204.480.7071 |
| Email: | dbiank@imris.com |
| Date Prepared: | January 9, 2014 |
| Device Name | |
| Trade Name: | iMRI 1.5T A and iMRI 3T S |
| Common Name: | MRDD (Magnetic Resonance Diagnostic Device) |
| Classification Name: | System, Nuclear Magnetic Resonance Imaging (21 CFR §892.1000) |
| Product Code: | LNH |
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#### Predicate Devices:
iMRI 1.5T A system is substantially equivalent to the IMRIS Neuro II-SE MRI system. Siemens AGNETOM Aera is a reference device.
| 510(k) | Decision Date | Device Name | Manufacturer |
|---------|---------------|------------------------------------------------------------------|-------------------------------------|
| K071099 | May 22, 2007 | Neuro II-SE Intra-operative Magnetic<br>Resonance Imaging System | IMRIS Inc. |
| K101347 | Oct 1, 2010 | MAGNETOM Aera (Reference Device) | Siemens Medical Solutions USA, Inc. |
iMRI 3T System is substantially equivalent to the IMRIS Neuro III-SV MRI system. Siemens MAGNETOM Skyra is a reference device.
| 510(k) | Decision Date | Device Name | Manufacturer |
|---------|---------------|-------------------------------------------------------------------|-------------------------------------|
| K083137 | Dec 16, 2008 | Neuro III-SV Intra-operative Magnetic<br>Resonance Imaging System | IMRIS Inc. |
| K101347 | Oct 1, 2010 | MAGNETOM Skyra (Reference Device) | Siemens Medical Solutions USA, Inc. |
## Device Description:
The IMRIS Intraoperative MRI systems (iMRI 1.5T A and iMRI 3T S) are a traditional MRI unit that has been suspended on an overhead rail system, and is designed to operate inside an RF shielded room to facilitate intra-operative and multi-room use. The magnet is normally situated in a diagnostic room until imaging is requested. For Diagnostic room purposes, the system retains the standard diagnostic features of an MRI system. The diagnostic room is separated from the intra-operative suite by sliding doors that are part of the facility structure.
The iMRI system (1.5T A/3T S) is a tool for radiologists and surgeons, used to acquire images for diagnostic, intra-operative or interventional procedures. For OR purposes, high-resolution images can be obtained immediately prior to surgical incision, intraoperative and after wound closure. The iMRI 1.5T A is based on the IMRIS Neuro II-SE predicate cleared under 510(k) K071099 and the Siemens MAGNETOM Aera/Skyra MRI system cleared under 510(k) K101347. The iMRI 3T S is based on the IMRIS Neuro III-SV cleared under 510(k) K083137 and the Siemens MAGNETOM Aera/Skyra MRI system cleared under 510(k) K101347. The major components of the iMRI systems are: the Siemens MAGNETOM MRI system with minor modifications; IMRIS Magnet Mover System, OR Table, RF coils and 3-pin head fixation device.
#### Intended Use:
The iMRI 1.5T A and 3T S are indicated for use as a magnetic resonance diagnostic device (MRDD) that produces transverse, sagittal, coronal and oblique cross sectional images, spectroscopic images and / or spectra, and that displays the internal structure and / or function of the head, body or extremities.
Other physical parameters derived from the images and/or spectra may also be produced. Depending on the region of interest, contrast agents may be used. These images and/or spectra and the physical
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IMRIS O
parameters derived from the images and/or spectra when interpreted by trained physician yield information that may assist in diagnosis.
The iMRI 1.5T A and 3T S systems may also be used for imaging during intra-operative and interventional procedures when performed with MR safe devices or MR conditional devices approved for use with the MR scanner.
The iMRI 1.5T A and 3T S MRI systems may also be used for imaging in a multi-room suite.
# Comparison with Predicate Devices:
The iMRI 1.5T A is based on the IMRIS Neuro II-SE predicate cleared under 510(k) K071099 and the iMRI 3T S is based on the IMRIS Neuro III-SV cleared under 510(k) K083137. The reference devices Siemens MAGNETOM Aera/Skyra MRI system are cleared under 510(k) K101347. There are no changes made to the Siemens' syngo® MR software in the iMRI systems. The iMRI 1.5T A/JT S MRI imaging system's software is the same as the Siemens MAGNETOM Aera/Skyra MRI System cleared under 510(k) K101347 and K121434. The iMRI 1.5T A/3T S intra-operative features, including the Magnet Mover Assembly, Intraoperative Coil and Head Fixation Device are substantially equivalent to the same intra-operative features of the predicate Neuro III-SV. The iMRI system does not raise any new safety or effectiveness issues related to the use of a moving MRI system in an intra-operative setting.
| Recognition<br># | Identifier | Title |
|------------------|----------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 5-4 | IEC 60601-<br>1:1988+A1:1991+A2:199<br>5 | Medical Electrical Equipment - Part 1: General<br>Requirements for Safety, 1988; Amendment 1, 1991-11,<br>Amendment 2, 1995 |
| 5-77 | AAMI / ANSI ES60601-<br>1:2005/C1:2009/A2:201<br>0 | Medical electrical equipment - Part 1: General<br>requirements for basic safety and essential performance<br>(IEC 60601-1:2005, MOD). |
| 5-53 | IEC 60601-1-2:2007 | Medical Electrical Equipment - Part 1-2: General<br>Requirements for Basic Safety and Essential<br>Performance - Collateral Standard: Electromagnetic<br>compatibility - Requirements and Tests (Edition 3) |
| 12-207 | IEC 60601-2-33 : 2010 | MEDICAL ELECTRICAL EQUIPMENT<br>Part 2: Particular requirements for the safety of<br>magnetic resonance equipment for medical diagnosis |
| 13-8 | IEC 62304:2006 | Medical device software - Software life cycle processes |
## Standards:
# Summary of Studies:
The iMRI systems (1.5T A and 3T S) have been designed to provide MRI imaging in an intra-operative setting in the same manner as the predicate Neuro systems (Neuro II-SV and Neuro II-SE System). The iMRI 3T S/1.5T A intra-operative features, including the Magnet Mover Assembly, OR Patient Table, Intraoperative Coil and Head Fixation Device are substantially equivalent to the same intra-operative features
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Image /page/3/Picture/0 description: The image shows the word "IMRIS" followed by a circle. The circle has two horizontal lines inside of it. The text and the circle are in black and white.
Image /page/3/Picture/1 description: The image shows the text "iMRI 1.5T A and 3T S" on the bottom left. On the top right, there is a handwritten "K133692" and "Page 4 of 4". The text appears to be part of a document or report related to iMRI scans.
510(k) Premarket Notification
of the predicate Neuro III-SV/ Neuro II-SE. The iMRI systems (1.5T A and3T S) do not raise any new safety or effectiveness issues related to the use of a moving MRI system in an intra-operative setting,
The iMRI systems (1.5T A and 3T S) MRI imaging system's software and hardware are substantially equivalent to the Siemens MAGNETOM Skyra and Aera. The iMRI systems (1.5T A and 3T S) do not raise any new safety issues related to static magnetic field effects, changing magnetic field effects, RF heating or acoustic noise or effectiveness issues related to specification volume, signal to noise, image uniformity, and geometric distortion, slice profile, thickness and gap, or high contrast spatial resolution.
Testing has been completed to verify the equivalence to the Siemens MAGNETOM Skyra and Aera System and to verify the safe and effective intra-operative operation of the iMRI systems (1.5T A and 3T S),
iMRI systems (1.5T A and 3T S) verification and validation supports a determination of substantial equivalence.
## Summary of non-clinical data
## Design Verification and Validation Test (Bench Testing)
The IMRIS iMRI systems passed the following tests and meets product specifications. IMRIS has performed a number of V&V tests as described in part 6 of this submission. The tests include
- IEC 60601-1 compliance
- . IEC 60601-2 compliance
- . IEC 60601-2-33 compliance
- Sample clinical images
# Conclusion:
The iMRI 1.5T A is substantially equivalent to the predicate the IMRIS Neuro II-SE system (K071099) and the iMRI 3T S is substantially equivalent to the IMRIS Neuro III-5V system (K083137), based on the included studies and analysis.
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Image /page/4/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 symbol.
Public Health Service
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring. MD 20993-0002
February 10, 2014
IMRIS, INC. C/O MARK JOB 1394 25TH STREET, NW BUFFALO MN 55313
Re: K133692
Trade/Device Name: iMRI 1.5TA and iMRI 3.0TS Regulation Number: 21 CFR 892.1000 Regulation Name: magnetic Resonance Diagnostic Device Regulatory Class: II Product Code: LNH Dated: January 10, 2014 Received: January 14, 2014
Dear Mr. Job:
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 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 contact the Division of Small Manufacturers, International and Consumer Assistance at its toll
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Page 2-Mr. Job
free number (800) 638 2041 or (301) 796-7100 or at its Internet address http://www.fda.gov/MedicalDevices/ResourcesforYou/Industrv/default.htm. 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/Reportal?roblem/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.lda.gov/MedicalDevices/ResourcesforYou/Industry/default.hun.
Sincerely yours,
Archant D. O'Hara
For
Janine Morris Director Division of Radiological Health Office of In Vitro Diagnostics and Radiological Health Center for Devices and Radiological Health
Enclosure
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iMRI 1.5T A and 3T S
510(k) Premarket Notification
# Indications for Use
k133692 510(k) Number (if known):
Device Name: iMRI 1.5T A and 3T S
Indications for Use:
The iMRI 1.5T A and 3T S are indicated for use as a magnetic resonance diagnostic device (MRDD) that produces transverse, sagittal, coronal and oblique cross sectional images, spectroscopic images and / or spectra, and that displays the internal structure and / or function of the head, body or extremities.
Other physical parameters derived from the images and/or spectra may also be produced. Depending on the region of interest, contrast agents may be used. These images and/or spectra and the physical parameters derived from the images and/or spectra when interpreted by a trained physician yield information that may assist in diagnosis.
The iMRI 1.5T A and 3T S systems may also be used for imaging during intra-operative and interventional procedures when performed with MR safe devices or MR conditional devices approved for use with the MR scanner.
The iMRI 1.5T A and 3T S MRI systems may also be used for imaging in a multi-room suite.
Prescription Use _____________________________________________________________________________________________________________________________________________________________
(Part 21 CFR 801 Subpart D)
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 In Vitro Diagnostic Devices (OIVD) and Radiological Health (OIR)
AND/OR
Michael D. O'Hara
Division Sign-Off Office of In Vitro Diagnostic Device Evaluation and Safety
133692 510(k)
T200627-701 Rev. -
Confidential
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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.