Benutzeranleitung / Produktwartung 500082 des Produzenten Invivo
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1 Rev 05 Operator's Manual Model HNC-63-INT Neuro v ascular Arr a y Coil f or the Philips Intera 1.5T MRI System Part Number 500082.
2 Rev 05 February 2002 ©2002 Inviv o Cor poration All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in an y form by an y means without the wr itten per mission of In vivo Cor poration.
3 Rev 05 Introduction This manual describes the safety precautions, features, use and care, of the Invivo HNC-63-INT Neurovascular Array Coil, compatible with the Philips Intera 1.5T MRI System. Please review this manual thoroughly before using the device.
4 Rev 05 HNC Neuro v ascular Arr a y Coil Your HNC-63-INT Neurovascular Array Coil package consists of the following parts. Please inspect the package upon receipt to make sure all parts are present and in good order. Use this guide to refer to part names thoughout this manual.
5 Rev 05 T ab le of Contents HNC-63-INT Neurovascular Array Coil ........................................................ 4 Chapter 1 - Pati ent Safety ............................................................................ 6 Training ...........
6 Rev 05 Chapter 1 - P atient Saf ety Cautions The following general warning statements apply to scanning with a magnetic resonance system. For further details, review the warnings in your MR system Operators Manual.
7 Rev 05 If the patient complains of warming, tingling, stinging, or similar sensations, promptly stop the scan procedure, examine the patient, and contact the responsible physician before continuing the procedure. Pay special attention to very young, sedated, or other compromised patients who may not be able to communicate effectively.
8 Rev 05 The coil should only be used with the accessories specified in the operator’s manual. The use of accessories other than those specified in the operator’s manual may result in decreased ESD immunity of the coil or MR system, causing damage to the coil and/or system.
9 Rev 05 Chapter 2 - Using the HNC-63-INT Arr a y Coil P ositioning the HNC-63-INT Coil on the P atient T able The HNC-63-INT Neurovascular Array Coil is designed for imaging of the brain, cervical spine, anterior neck and vasculature in the head & neck, to the aortic arch.
10 Rev 05 Adjust the patient so their shoulders are snug against the curved arch of the posterior coil housing. Positioning the P atient . Firmly hold the anterior coil housing and carefully place it on the posterior coil housing. As you lower the anterior coil housing, center and seat the RF connector pins while the flat mating surfaces meet.
11 Rev 05 Synergy MultiConnect (SMC) The Synergy MultiConnect (SMC) shown here is a required option to use the HNC-63-INT coil. IMPORTANT: You must have the SMC device and Level 8.1.1 or higher software on your Intera system. Additionally, Release 8.1.
12 Rev 05 Connecting the Cab le Attach the Synergy MultiConnect (SMC) holder to the same side of the support as the patient ineterface control unit (PICU) facing the magnet. In this example, the PICU is on the left side. Slide the holder toward the bore, even with the patients knees.
13 Rev 05 Attach SMC connector to PICU. Example above is left side PICU. Attach SMC connector to PICU. Example above is right side PICU. Right Side Patient Interface Control Unit (PICU) Left Side Pati.
14 Rev 05 Quality Assurance Chapter 3 - Quality Assurance Remove the coil top and place the phantom positioner (part number 102485) and the phantom (part number 102690) as shown in the figures below. Replace the coil top. Connect the coil to the system as detailed in Chapter 2, "Connecting the cable.
15 Rev 05 Geometry Coil Selection 3IB-MRIDevic -channel Combination 2345 -connection d Multi Coil n o Homogeneity correction none FOV (mm) 400.00 RFOV (%) 100.00 Foldover suppression n o Matrix scan 2 5 6 -reconstruction 2 5 6 Scan percentage (%) 50.00 Stacks 3 -current A -type parallel -slices 3 -slice thickness (mm) 10.
16 Rev 05 Example of SURVEY images are below; note position of slices for the SNR check. Proceed to the SNR check on page 16..
17 Rev 05 Run an SNR CHECK scan using the parameters listed belo w . TIP: Sa v e this SNR CHECK scan for future QA scans . Position slices for the SNR CHECK as shown on page 15. Geometry Coil Selection 3IB-MRIDevic -channel Combination 2345 -connection d Homogeneity correction none FOV (mm) 400.
18 Rev 05 Reconstr uct SNR CHECK image f or individual channels using the instr uctions pro vided below . 1. Before running the SNR CHECK scan, be sure to have the "Save Raw Data" option set to "Yes" under [Postproc]. 2. Do not delete the current scan from the [Scanlist].
19 Rev 05 SNR Calulations 1. Select the reconstructed image from Channel 2, and display an eliptical ROI with a total pixel area of 1300 mm squared. Refer to Philips Gyroscan Intera Instructions Manual for ROI help. 2. Position ROI in the center of the phantom bottle, as shown below.
20 Rev 05 SNR Calulations Repeat SNR calculations as described on page 18 for the remaining reconstructed images from channels 3,4,5. Example.
21 Rev 05 SNR Calulations Repeat SNR calculations as described on page 18 for the remaining reconstructed images from channels 3,4,5. Example.
22 Rev 05 SNR Calulations Repeat SNR calculations as described on page 18 for the remaining reconstructed images from channels 3,4,5. Example.
23 Rev 05 Chapter 4 - Scanning Set Up The neurovascular array coil contains both a head coil and a neck coil. The head coil (channel 2), neck coil (channels 3,4,5) or both head and neck coils (channels 2,3,4,5) can be active at any given time. To select the active coil(s), pick the proper channel(s) from the channel combination (ch.
24 Rev 05 Scanning Step by Step Scan Select: Software Release 8.1.1, Choose "3IB-MRIDEVIC", Software Releases above 8.1.1, choose "SMC-MRI". Select Channel combination(s): HEAD only: Select Ch. combination 2 NECK only: Select Ch. combination 3,4,5 HEAD & NECK: Select Ch.
25 Rev 05 Chapter 5 - Scan Protocols Invivo Corporation recomends that you select imaging protocols that have been established by your radiologists. Additional protocols can be found within your Philips Application Guides.
26 Rev 05 Chapter 6 - Maintenance Cleaning The Neurov ascular Arra y coil and patient comfort pads may be cleaned b y wiping with a cloth dampened with a solution of 30% isopropyl alcohol and 70% tap w ater . Do not pour any cleaning solution directly on the coil! Let coil housing and pads dry before use .
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