
	IM512P Data and Image Processor There are two models of procesor: IM512P and IM512P/E. They differ basically in two features of acquisition software: v IM512P/E corrects energy, linearity and uniformity in real time when used to upgrade gamma cameras; v IM512P/E's acquisition zoom values are more flexible and fully digital. Processing software is exactly the same for both models. When the IM512P/E is required, it is mentioned with its full name (for instance, when describing the upgrades for gamma cameras). The generic mentions of IM512P refer to both models. The IM512P may be connected to any gamma camera with analogic X,Y & Z output. In this general kind of cameras, the IM512P/E only makes use of the uniformity correction and more flexible and accurate acquisition zoom. The IM512P/E makes a full use of its abilities in the upgrade of GE Starcam, Siemens Orbiter or Elscint Apex gamma cameras. Details of these upgrades may be seen by clicking on Gamma Cameras button of this page and then looking at the respective presentations. The IM512P may be used also as an only-processing work station with gamma cameras that keep their original acquisition computer. At present, there are IM512Ps working in communication with the following models of divers manufacturers: ▪ New! ADAC Pegasys: network transfer in native format, format conversion and insertion into IM512P data base. Fully automatic, studies arrive as they are acquired. Compatible with modality worklist (MWL). ▪ GE Millennium MG, MPR and MPS, and Optima NX [DICOM transfer]. ▪ Siemens ICON, e.soft and c.Cam [DICOM transfer]. ▪ Sopha/SMV DS7 Acquisition Station [FTP transfer in native format]. ▪ Elscint XPert [FTP transfer in Interfile format]. ▪ Philips Cardio MD acquisition computer [DICOM transfer]. ▪ Picker Prism 1000 [FTP transfer in Interfile format]. ▪ Picker Odyssey FX-800 [DICOM transfer]. *Acquisition* No restriction for simultaneous acquisition and processing. You may be acquiring a static, dynamic, planar gated, whole body, SPECT or gated SPECT study and processing any other planar or SPECT study at the same time. Double 14 bits AD converter (for X and Y axes). Optional 14 bits converter for energy. Acquisition matrices: 1024 x 1024, 512 x 512, 256 x 256, 128 x 128 and 64 x 64, up to 255 or 65.535 counts per pixel. Double isotope acquisition with simultaneous viewing of both images in different windows. Up to 3 energy windows into 1, 2 or 3 simultaneous images. (IM512P/E) Dynamic acquisition: more than 5000 64x64 images. Up to 1000 images per second (1 ms/image). X and Y COR correction "on the fly". Theoretical accuracy: 1/4000 FOV (0.1 mm). Built-in ECG for cardiac studies, with its cable set. Programmable acquisition presets. Persistence image with real time zoom x 1; x 1.5; x 2; x 3; x 4 and x 6. Variable acquisition X-Y displacement to bring any point of the image into the acquisition matrix center by clicking on it. Optional (IM512P/E): zoom x 1.25; x 1.75; x 2.5; x 3.5; x 5; x 7 and x 1.33. Simultaneous viewing of ECG, cine display and images during gated acquisition. Automatic saving of images during acquisition.Minimum loss in case of blackout. On the fly energy, linearity and uniformity correction. Each pair isotope/collimator may have its own correctio map. 1024 channel pulse height analyzer. Double isotope/triple window with energy correction. It replaces the gamma camera console. (IM512P/E) *Screen Display* Configurable display (minimum: 1024 x 768) that allows seeing on the same screen: ▪ Several studies in different windows simultaneously. ▪ One or more text editors to write study reports. The mouse helps to move, change size and arrange images to print. Each image window may have its own color table, upper and lower levels to get the optimal brightness and contrast for each one. More than 200 color tables may be created by users. 64k simultaneous colors on screen, selected from a palette of 262,144 colores. Programmable colors for regions of interest, curves, characters, markers, etc. More than 1000 regions of interest per study (rectangular, circular, elliptical, irregular, by gradient). More than 1000 histograms or curves per study. More then 16 simultaneous cine displays on screen, each one with its own variable rate and zoom. Screen may be copied to Windows* clipboard and pasted to any graphic application. *Files* Hard disk storage of studies with patient data, images, ROIs, curves, annotations, etc. (more than de 1 million 64 x 64 images). DVD drive. CD, pen drive or external hard disk may be used also. Option TCP/IP, NetBEUI, DICOM servers. Patient/study data base that allows recording of oral reports. Planar Clinical Protocols Ejection fraction, peak and average ejection rate, peak filling rate, time to peak filling rate, Fourier phase analysis, wall motion. Quantification of Myocardial Perfusion with Interpolated Background Subtraction and Circumferential Profiles. Shunt detection. First Pass. Protocols for Renal Perfusion, Renogram, Renal Quantitation, GFR with DTPA (with and without blood sample), ERPF with MAG3 and one blood sample, Brain Flow, Esophageal Transit, Gastroesophageal Reflux, Pulmonary Quantification, Field Uniformity quality control, Gall Bladder Ejection Fraction, Gastric Emptying, Parathyroid (Tl-Tc subtraction), Thyroid Uptake, etc. A whole body can be reconstructed from a series of spots. Several studies can be processed simultaneously in different windows. Commands for general use to process images, regions of interest and curves. Recording and reproduction of sequenced orders to automate jobs. High processing speed: 0.9 seconds (CPU time) for an Ejection Fraction while another dynamic or gated study is acquired. *SPECT Clinical Protocols (optional)* Tomographic Reconstruction with multiple filters, movement and attenuation correction at 0.01 seconds (CPU time) per slice Tridimensional Analysis, 3D Surface Maps, X, Y, Z Axes Reorientation (0.004 sec. per reoriented slice). Interpolated Zoom. Stress and Rest Gated SPECT. Real time reslicing. Gated Polar Map, final display in 5 seconds. Image fusion with other modalities. Summed, Maximum Activity and Weighted Transparency reprojections. 3D volume viewer that shows six slices on the six faces of a 3D perspective cube that can be rotated, moved and resized with the mouse *Gated SPECT (optional)* Volume calculation protocol from gated SPECT images (SPECT sync with ECG) begins with an automatic reorientation of the cardiac axes and automatic search of the limits of the left ventricle (LV). The method is based on fitting a truncated ellipsoid to the actual volume of the LV. Then endo- and epicardial edges are detected along 829 radii perpendicular to the ellipsoid surface, for every interval in the cardiac cycle, constrained to the fact that ventricular mass must remain constant through the cycle. The fitted ellipsoid is used only as a starting point in order to generate the profiles. Each profile is analyzed in search of the endocardium, the epicardium and the midmyocardium (a point of maximal uptake in the LV wall), by using several methods: maximum of the filtered profile or most probable value in a fitted Gaussian curve for midmyocardium, inflexions or weighted standard deviation in a fitted Gaussian curve for endo- and epicardium. The detected points (one for each profile) generate a final contour that is not the original fitted ellipsoid but the actual LV surface. All the process takes only a few seconds with current PC processors. Endocardial detected positions allow the calculation of the end diastole (ED) and end systole (ES) volumes and from there the ejection fraction is calculated, global or at each point of the ventricle surface (regional ejection fraction). Wall thickness and thickening, and LV mass are also estimated. Endo-, epi- and midmyocardium can be shown at ED and ES, or beating along the cardiac cycle. Both situations allow the appreciation of the wall motion. The reconstructed ventricular volume can be used to map the perfusion, the absolute thickness, the thickening, the wall motion or the ejection fraction, in colors. This way, in each cine 3D image the shape, the motion and the functional parameter can be evaluated in colors. This protocol can show simultaneously these results from 5 points of view: anterosuperior, posteroinferior, septal, lateral and apex. Or in a perspective volume that the operator moves at will, interactively with the mouse. This protocol can show simultaneously up to four studies of one or different patients. This allows the operator to see in cine five stress 3D surfaces plus other five of rest and also for pre and post treatment. (Total 20 cine surfaces). This protocol generates volumes, positions and thicknesses for each of the radii and cardiac intervals in a table compatible with Excel* or similar, for future analysis. For quality control it is possible to plot, total or partially, the 829 curves (profiles) of each interval of the cardiac cycle. The analysis displays allow to display as a solid surface the epi-, mid- or endocardium and as a mesh surface (wire mesh) the epi- or midmyocardium, to appreciate two simultaneous surfaces in cine mode and from any angle, by rotating the images with the mouse. Also the traditional slices of short axis and horizontal and vertical long axis can be generated, automatically reoriented and realigned between stress and rest, cine or static. Summed polar maps can be generated. Also eight cardiac interval polar maps can be created, displaying the change of activity between ED and ES in cine mode. Each display with its settings may be stored for later review with a single click in Next Screen / Next Study. *Documentation* Color printer with photographic quality in sheets of 8.5” x 11”, with up to 6 photos per sheet. DICOM printer. Laser printer, black and white or color Ink-jet printer Any printer for Windows* can be used .JPG, .PNG or .PCX files for image interchange; .AVI or .WMV for movies. Transmission of studies through local network or Internet without stopping the acquisition or processing. Screen copy and paste to other Windows* applications. *Acquisition from several Gamma Cameras (optional)* Simultaneous acquisition from two gamma cameras with only one PC, each with its respective ECG trace, with simultaneous display of all acquisitions. This acquisition also allows simultaneous processing Simultaneous acquisition from multiple gamma cameras with one PC for each camera, connected by Ethernet. Each PC can be an acquisition, or a processing or an acquisition and processing workstation *DICOM* Connectivity *(optional)* TCP/IP: ▪ DICOM Print: Service Class User. (SCU). ▪ DICOM Query/Retrieve: SCU y SCP. ▪ DICOM Storage: SCU and SCP. Media Interchange: ▪ DICOM Physical Media Storage: FSC and FSR. _____________________ * Windows and Excel are registered trademarks of Microsoft Corp. Other brand or product names are trademarks or registered trademarks of their respective holders. This software has the clearance 510K of the Food and Drug Administration (FDA). Copyright Alfanuclear S.A.I. y C., 1994-2015

IM512P Data and
Image Processor

There are two models of procesor: IM512P and IM512P/E. They differ basically in two features of acquisition software:
v IM512P/E corrects energy, linearity and uniformity in real time when used to upgrade gamma cameras;
v IM512P/E's acquisition zoom values are more flexible and fully digital.
Processing software is exactly the same for both models.
When the IM512P/E is required, it is mentioned with its full name (for instance, when describing the upgrades for gamma cameras). The generic mentions of IM512P refer to both models.
The IM512P may be connected to any gamma camera with analogic X,Y & Z output. In this general kind of cameras, the IM512P/E only makes use of the uniformity correction and more flexible and accurate acquisition zoom.
The IM512P/E makes a full use of its abilities in the upgrade of GE Starcam, Siemens Orbiter or Elscint Apex gamma cameras. Details of these upgrades may be seen by clicking on Gamma Cameras button of this page and then looking at the respective presentations.
The IM512P may be used also as an only-processing work station with gamma cameras that keep their original acquisition computer. At present, there are IM512Ps working in communication with the following models of divers manufacturers:
▪ New! ADAC Pegasys: network transfer in native format, format conversion and insertion into IM512P data base. Fully automatic, studies arrive as they are acquired. Compatible with modality worklist (MWL).
▪ GE Millennium MG, MPR and MPS, and Optima NX [DICOM transfer].
▪ Siemens ICON, e.soft and c.Cam [DICOM transfer].
▪ Sopha/SMV DS7 Acquisition Station [FTP transfer in native format].
▪ Elscint XPert [FTP transfer in Interfile format].
▪ Philips Cardio MD acquisition computer [DICOM transfer].
▪ Picker Prism 1000 [FTP transfer in Interfile format].
▪ Picker Odyssey FX-800 [DICOM transfer].

Acquisition

No restriction for simultaneous acquisition and processing. You may be acquiring a static, dynamic, planar gated, whole body, SPECT or gated SPECT study and processing any other planar or SPECT study at the same time.
Double 14 bits AD converter (for X and Y axes). Optional 14 bits converter for energy.
Acquisition matrices: 1024 x 1024, 512 x 512, 256 x 256, 128 x 128 and 64 x 64, up to 255 or 65.535 counts per pixel.
Double isotope acquisition with simultaneous viewing of both images in different windows. Up to 3 energy windows into 1, 2 or 3 simultaneous images. (IM512P/E)
Dynamic acquisition: more than 5000 64x64 images. Up to 1000 images per second (1 ms/image).
X and Y COR correction "on the fly". Theoretical accuracy: 1/4000 FOV (0.1 mm).
Built-in ECG for cardiac studies, with its cable set.
Programmable acquisition presets.
Persistence image with real time zoom x 1; x 1.5; x 2; x 3; x 4 and x 6. Variable acquisition X-Y displacement to bring any point of the image into the acquisition matrix center by clicking on it. Optional (IM512P/E): zoom x 1.25; x 1.75; x 2.5; x 3.5; x 5; x 7 and x 1.33.
Simultaneous viewing of ECG, cine display and images during gated acquisition.
Automatic saving of images during acquisition.Minimum loss in case of blackout.
On the fly energy, linearity and uniformity correction. Each pair isotope/collimator may have its own correctio map. 1024 channel pulse height analyzer. Double isotope/triple window with energy correction. It replaces the gamma camera console. (IM512P/E)

Screen Display

Configurable display (minimum: 1024 x 768) that allows seeing on the same screen:
▪ Several studies in different windows simultaneously.
▪ One or more text editors to write study reports.
The mouse helps to move, change size and arrange images to print.
Each image window may have its own color table, upper and lower levels to get the optimal brightness and contrast for each one.
More than 200 color tables may be created by users.
64k simultaneous colors on screen, selected from a palette of 262,144 colores. Programmable colors for regions of interest, curves, characters, markers, etc.
More than 1000 regions of interest per study (rectangular, circular, elliptical, irregular, by gradient).
More than 1000 histograms or curves per study.
More then 16 simultaneous cine displays on screen, each one with its own variable rate and zoom.
Screen may be copied to Windows* clipboard and pasted to any graphic application.

Files

Hard disk storage of studies with patient data, images, ROIs, curves, annotations, etc. (more than de 1 million 64 x 64 images).
DVD drive. CD, pen drive or external hard disk may be used also. Option TCP/IP, NetBEUI, DICOM servers.
Patient/study data base that allows recording of oral reports.

Planar Clinical Protocols

Ejection fraction, peak and average ejection rate, peak filling rate, time to peak filling rate, Fourier phase analysis, wall motion. Quantification of Myocardial Perfusion with Interpolated Background Subtraction and Circumferential Profiles. Shunt detection. First Pass.
Protocols for Renal Perfusion, Renogram, Renal Quantitation, GFR with DTPA (with and without blood sample), ERPF with MAG3 and one blood sample, Brain Flow, Esophageal Transit, Gastroesophageal Reflux, Pulmonary Quantification, Field Uniformity quality control, Gall Bladder Ejection Fraction, Gastric Emptying, Parathyroid (Tl-Tc subtraction), Thyroid Uptake, etc.
A whole body can be reconstructed from a series of spots.
Several studies can be processed simultaneously in different windows.
Commands for general use to process images, regions of interest and curves.
Recording and reproduction of sequenced orders to automate jobs.
High processing speed: 0.9 seconds (CPU time) for an Ejection Fraction while another dynamic or gated study is acquired.

SPECT Clinical Protocols (optional)

Tomographic Reconstruction with multiple filters, movement and attenuation correction at 0.01 seconds (CPU time) per slice
Tridimensional Analysis, 3D Surface Maps, X, Y, Z Axes Reorientation (0.004 sec. per reoriented slice). Interpolated Zoom. Stress and Rest Gated SPECT.
Real time reslicing.
Gated Polar Map, final display in 5 seconds.
Image fusion with other modalities.
Summed, Maximum Activity and Weighted Transparency reprojections.
3D volume viewer that shows six slices on the six faces of a 3D perspective cube that can be rotated, moved and resized with the mouse

Gated SPECT (optional)

Volume calculation protocol from gated SPECT images (SPECT sync with ECG) begins with an automatic reorientation of the cardiac axes and automatic search of the limits of the left ventricle (LV).
The method is based on fitting a truncated ellipsoid to the actual volume of the LV. Then endo- and epicardial edges are detected along 829 radii perpendicular to the ellipsoid surface, for every interval in the cardiac cycle, constrained to the fact that ventricular mass must remain constant through the cycle. The fitted ellipsoid is used only as a starting point in order to generate the profiles. Each profile is analyzed in search of the endocardium, the epicardium and the midmyocardium (a point of maximal uptake in the LV wall), by using several methods: maximum of the filtered profile or most probable value in a fitted Gaussian curve for midmyocardium, inflexions or weighted standard deviation in a fitted Gaussian curve for endo- and epicardium. The detected points (one for each profile) generate a final contour that is not the original fitted ellipsoid but the actual LV surface. All the process takes only a few seconds with current PC processors.
Endocardial detected positions allow the calculation of the end diastole (ED) and end systole (ES) volumes and from there the ejection fraction is calculated, global or at each point of the ventricle surface (regional ejection fraction). Wall thickness and thickening, and LV mass are also estimated.
Endo-, epi- and midmyocardium can be shown at ED and ES, or beating along the cardiac cycle. Both situations allow the appreciation of the wall motion.
The reconstructed ventricular volume can be used to map the perfusion, the absolute thickness, the thickening, the wall motion or the ejection fraction, in colors. This way, in each cine 3D image the shape, the motion and the functional parameter can be evaluated in colors.
This protocol can show simultaneously these results from 5 points of view: anterosuperior, posteroinferior, septal, lateral and apex. Or in a perspective volume that the operator moves at will, interactively with the mouse.
This protocol can show simultaneously up to four studies of one or different patients.
This allows the operator to see in cine five stress 3D surfaces plus other five of rest and also for pre and post treatment. (Total 20 cine surfaces).
This protocol generates volumes, positions and thicknesses for each of the radii and cardiac intervals in a table compatible with Excel* or similar, for future analysis. For quality control it is possible to plot, total or partially, the 829 curves (profiles) of each interval of the cardiac cycle.
The analysis displays allow to display as a solid surface the epi-, mid- or endocardium and as a mesh surface (wire mesh) the epi- or midmyocardium, to appreciate two simultaneous surfaces in cine mode and from any angle, by rotating the images with the mouse.
Also the traditional slices of short axis and horizontal and vertical long axis can be generated, automatically reoriented and realigned between stress and rest, cine or static. Summed polar maps can be generated. Also eight cardiac interval polar maps can be created, displaying the change of activity between ED and ES in cine mode.
Each display with its settings may be stored for later review with a single click in Next Screen / Next Study.

Documentation

Color printer with photographic quality in sheets of 8.5” x 11”, with up to 6 photos per sheet.
DICOM printer.
Laser printer, black and white or color
Ink-jet printer
Any printer for Windows* can be used
.JPG, .PNG or .PCX files for image interchange; .AVI or .WMV for movies.
Transmission of studies through local network or Internet without stopping the acquisition or processing.
Screen copy and paste to other Windows* applications.

Acquisition from several Gamma Cameras (optional)

Simultaneous acquisition from two gamma cameras with only one PC, each with its respective ECG trace, with simultaneous display of all acquisitions. This acquisition also allows simultaneous processing
Simultaneous acquisition from multiple gamma cameras with one PC for each camera, connected by Ethernet. Each PC can be an acquisition, or a processing or an acquisition and processing workstation

DICOM Connectivity (optional)

TCP/IP:
▪ DICOM Print: Service Class User. (SCU).
▪ DICOM Query/Retrieve: SCU y SCP.
▪ DICOM Storage: SCU and SCP.
Media Interchange:
▪ DICOM Physical Media Storage: FSC and FSR.

_____________________

* Windows and Excel are registered trademarks of Microsoft Corp.
Other brand or product names are trademarks or registered trademarks of their respective holders.

This software has the clearance 510K of the Food and Drug Administration (FDA).

Copyright Alfanuclear S.A.I. y C., 1994-2015

IM512P Data and Image Processor

Planar Clinical Protocols

IM512P Data and
Image Processor