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OCULUS Pentacam, Инструкция по эксплуатации

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10  Measuring Procedure

Instruction Manual Pentacam® / Pentacam HR® (G/70700/0109/en)

15 / 29

10 Measuring Procedure

Default settings

Î

Start the Scan menu 

(sect. , page 10)

.

Î

If necessary make changes to the image options for the particular part of the front
of the eye that is to be examined.

Î

The default settings in the "3D Scan" options are "25 images/1 second".

Î

Adjust the table height.

Î

Ask the patient to place his or her head on the chin and forehead rest.

Rough adjustment

Î

The black ring marking between the chin rest and the forehead rest (1) should be
used for gauging the required height of the patient’s eyes.

Î

Adjust the patient’s eye level using the twist grip (2).

The patient is positioned correctly when chin and forehead touch the rests and the
eyes are level with the marking.

Fig. 10-1: Rough adjustment of the chin and forehead rest

1 Marking (black ring)

2 Twist grip

Содержание Pentacam

Страница 1: ...OCULUS PENTACAM PENTACAM HR INSTRUCTION MANUAL System for measuring and analysing the front part of the eye ...

Страница 2: ... is basically identical This instruction manual describes how to manage patient data the default settings of the Pentacam program and the measuring process Additional functions pertaining to the Pentacam HR high resolution are indicated accordingly The Pentacam reference manual contains information supplementing the descrip tion of the operating concept Due to ongoing development the diagrams show...

Страница 3: ...he Pentacam off 8 7 Patient Data Management 8 7 1 Starting Patient Data Management 8 7 2 Entering new patients 9 7 3 Selecting existing patients 9 7 4 Starting the Pentacam program 10 8 Pentacam Program 10 9 Scan Menu 11 9 1 Screen layout 11 9 1 1 Scheimpflug image settings 12 9 1 2 Parameters applicable only to the Pentacam HR 13 9 2 Information for recording Scheimpflug images 14 10 Measuring Pr...

Страница 4: ...HR G 70700 0109 en 16 1 Terms of warranty 25 16 2 Assumption of liability for functions and damage 25 16 3 Address of the manufacturer and service department 26 17 Declaration of Conformity 27 18 Technical Specifications Minimum PC Requirements 28 ...

Страница 5: ... 70900 07 001 Licence key dongle 70740 Testing log electrical safety Instruction Manual G 70700 HR G 70900 Dust protection cover 60100 5 1 Paper for chin support 65313 Software package and books Windows tm software package and operating instructions Dark sheet 027070000006 Standard software module Order number Software module Pachymetry 70721 Software module Densitometry 70722 Software module 3D c...

Страница 6: ...to operating personnel at all times Î Observe the legal regulations with regard to accident prevention The Pentacam is a high quality technical product To ensure that it functions correctly and safely we recommend the following Have the Pentacam checked by our service per sonnel or an authorised dealer every two years If an error occurs which you are unable to correct label the device as out of or...

Страница 7: ...cam in damp rooms Î Keep the Pentacam away from water that may drip surge or splash and make sure that no liquids can enter the Pentacam Do not place any containers with liquid ei ther close to or on the Pentacam Î When cleaning use a damp cloth and make sure that no liquid enters the Pentacam Î Only operate the Pentacam in rooms used for medical purposes if VDE 0100 instal lation procedures have ...

Страница 8: ...ate the Pentacam using original accessory parts supplied by us and when the device is in technically sound condition You must use the power supply belonging to the device in order to operate it There is no other method of connecting the device possible OCULUS guarantees that the Pentacam will function correctly only if no extra software or programs except for Microsoft updates and if required pati...

Страница 9: ...d of 15 weeks 4 2 Disposal of used devices In accordance with Directive 2002 96 EC of the European Parliament and the Council of 27 January 2003 and in accordance with German law governing the circulation return and environmentally friendly disposal of used electrical and electronic devices such ap pliances must be recycled and may not be discarded as household waste Ambient temperature 40 C to 70...

Страница 10: ...n two seconds Up to 25 000 HR 138 000 genuine height values are measured and analysed At the same time any eye movement is recorded which the 3D model takes into account When the PC has received the appropriate data record it calculates a 3D model of the front part of the eye The 3D model provides the basis for all subsequent analysis The topography of the front and rear surfaces of the cornea and...

Страница 11: ...eration Attention Before you use the device for the first time the OCULUS Pentacam examination area must be installed and connected by our service personnel or an authorised specialist Î Wait approx 3 4 hours after transport before operating the Pentacam If the Pentacam was stored in a cold room or vehicle during the cold time of the year a significant change in temperature may cause condensation ...

Страница 12: ...rting Patient Data Management After you have switched on the PC it first loads the operating system It then displays the user interface for Patient Data Management Fig 7 1 Patient Data Management Î To enter the Pentacam program you must either enter a new patient 8 into the Patient group box or select an existing patient 2 from the list 1 Functions group box 5 Import button 2 Previous examinations...

Страница 13: ... of the screen displays all previously examined patients in alphabetical order Î Click Search to quickly find the patient you require from the list Î Enter the patient s name or the first letter of the name in the Last name field Î Optionally you can search for the patient by entering his or her ID number assuming that patient was assigned one when first entered Î Click the appropriate entry in th...

Страница 14: ...ram menu upper section Loading previous examinations Î Select the menu item Examination and click Load The dialog box Load Examination appears Î Make a selection by clicking the required examination Î Confirm your selection by clicking OK or by double clicking The Pentacam program will load the examination you have selected Starting a measurement Î Select the Examination tab and click Scan The blu...

Страница 15: ... The eye currently being examined is detected automatically and is displayed in the Eye field 1 The Pupil Image 2 shows the vertical horizontal positioning of the Pentacam The object is to position the yellow dot marking the apex of the cornea in the centre of 1 Eye field 7 Adjustment window 2 Pupil image 8 Fixation Target HR only 3 Image Options area 9 Quit button 4 Slit Light checkbox 10 Scheimp...

Страница 16: ...pective position of the camera and the eye which is currently being examined 9 1 1 Scheimpflug image settings You can set the number and type of images required for the respective examination in the Image Options box 3 Scheimpflug Image group box If you activate this option the camera records only one Scheimpflug image You can freely select the camera position you require by clicking the white rin...

Страница 17: ...s while performing a full rotation twice around the eye Accommodation group box If you select this option the camera will take a total of 50 Scheimpflug images While the camera is recording the images the Fixation Target shifts constantly from 5 dpt to 2 dpt The camera records the Scheimpflug images from a pre selected camera position Enh Dyn checkbox in the 3D Scan group box Activating the Enh Dy...

Страница 18: ...ial lenses gener al Enhanced dynamic for HR in the 3D scan examination mode 15 Yes If the pupil is insufficiently dilated apply mydriatic drops Use 3D scan for measurements Measuring functions 3D scan 25 50 Yes If the pupil is insufficiently dilated apply mydriatic drops Densitometry 3D scan Enhanced dynamic 25 50 5 15 No Use the same number of images to en able a progress check Type of examinatio...

Страница 19: ... images 1 second Î Adjust the table height Î Ask the patient to place his or her head on the chin and forehead rest Rough adjustment Î The black ring marking between the chin rest and the forehead rest 1 should be used for gauging the required height of the patient s eyes Î Adjust the patient s eye level using the twist grip 2 The patient is positioned correctly when chin and forehead touch the re...

Страница 20: ...oughly coincides with the circle R 3 on the sliding plate Fig 10 2 Markings on the cross slide Î Look at the patient s eye you are examining from one side and make sure that the blue slit light illuminates the cornea Î If necessary adjust the position of the cross slide to the left or right Fig 10 3 Slit light on the cornea 1 Cross slide 4 Marking on the cross slide 2 Left marking 5 Joystick 3 Rig...

Страница 21: ... image right The image is sharpest when the red dot coincides with the red line in the Sche impflug image Î Focus the pupil image by moving the joystick towards the Pentacam or away from it Î Adjust the left right position of the Pentacam and its height setting Move the joystick to the left or right and rotate the joystick clockwise or anticlock wise The tentative final position of the camera is r...

Страница 22: ...ati cally begin measuring alternately you can start the measuring procedure manually Fig 10 6 Adjustment window once the final position has been reached Î For measuring manually Start measuring by clicking Start Scan or by pressing the return key Attention It may not be possible to carry out a measurement with manual release Î Ask the patient to remove his or her head from the rest Î Check the mea...

Страница 23: ... have begun measuring either automatically or manually the Pentacam program opens The QS button appears in a field below the patient data Fig 11 1 Pentacam program with QS button Î If the QS button reads OK the measurement is correct and can be reproduced Î If the QS button is red you must repeat the measurement 1 QS button ...

Страница 24: ...s Analysed Area If this value is less than the permissible threshold the patient must widen his or her eye Valid Data If this value is less than the permissible threshold you must darken the room Lost Segments and Lost Seg Continuous If one of these values exceeds the permissible threshold you must ask the patient not to blink while you are measuring Alignment XY and Alignment Z If one of these va...

Страница 25: ...directory Transferring measurement data to another storage medium e g USB drive Sending stored data by e mail 12 1 Exporting patient data Î In Patient Data Management fig 7 1 page 8 select the patient you require You can select a patient s entire data master or individual examinations Î Click Export The following dialog box appears Fig 12 1 Exporting patient data Î Select Single File U12 Î You can...

Страница 26: ... program is updated on the Pentacam PC sender the program on the other PC recipient must also be updated 12 2 Importing patient data Import the patient and examination data you have received into your Pentacam software Î In Patient Data Management fig 7 1 page 8 click Import The following dialog box appears Fig 12 2 Import Î Select the option U12 Î Click the button under File Î Look for the export...

Страница 27: ...e inform us or contact your authorized Oculus distributor to get further support 14 Troubleshooting Attention If an error occurs which you are unable to correct by following the instructions below label the device as out of order and contact our service department or an authorised dealer Error After you have started the Pentacam program sect 7 4 page 10 the following dialog box appears No communic...

Страница 28: ...it do not use a cloth or other cleaning agents Î Carefully clean the centre of the illuminated slit with purified compressed air Attention The optical components illuminating the slit and the lens in front of the camera are pre cision parts and sensitive to pressure The surfaces of these components are susceptible to scratching Î Clean the lens in front of the camera using a dry lint free cloth Î ...

Страница 29: ... and have the damage confirmed on the consignment note to enable a proper claims settlement procedure Overall the general terms and conditions of business and delivery apply as per the date of purchase 16 2 Assumption of liability for functions and damage OCULUS shall only consider itself responsible for the safety reliability and usability of the Pentacam if the Pentacam is used in accordance wit...

Страница 30: ...or authorised representatives will furnish you with additional information Address of the manufacturer and service department OCULUS Optikgeräte GmbH Münchholzhäuser Straße 29 35582 Wetzlar Germany Tel 0641 2005 0 Fax 0641 2005 255 E mail sales oculus de www oculus de USA OCULUS Inc 2125 196th Street SW Suite 112 Lynnwood WA 98036 Tel 425 670 9977 E mail oculusincusa msn com ...

Страница 31: ...17 Declaration of Conformity Instruction Manual Pentacam Pentacam HR G 70700 0109 en 27 29 17 Declaration of Conformity ...

Страница 32: ...ree Speed 50 images in 2 seconds 500 measuring points HR 2760 per recorded image Number of evaluated measuring points Max 25 000 HR max 138 000 Dimensions H x W x D 535 x 280 x 360 mm Weight 9 kg Curvature 3 to 38 mm 9 to 99 dpt Accuracy 0 2 dpt Reproducibility 0 2 dpt Working distance 80 mm Mains connection 100 240 V AC 50 60 Hz Power input 60 W Power output 24 V 2 1 A Fuses Integrated overcurren...

Страница 33: ...hock Protection class 1 Level of protection against electrical shock Type II B Level of protection against damaging water entry IP20 Temperature 10 C to 40 C Humidity 30 to 75 Air pressure 700hPa to 1060hPa Ambient temperature 40 C to 70 C Relative humidity including condensa tion 10 to 100 Air pressure 500hPa to 1060hPa CPU Pentium Intel Centrino 1 4 GHz Pentium Intel Pentium 2 4 GHz Operating sy...

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