User Manual
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SO-111 Ophthalmic Microscope
User Manual
Page 1 of 30
CONTENTS PARTS LIST
...
UNPACKING AND INSTALLATION
12 Volt dc supply
4
...
5
...
11
Connecting the power supply to a 12 Volt dc supply (battery)
...
12
...
12
USE OF THE MICROSCOPE
...
13
Initial positioning
...
13
Positioning during use
...
13
...
14
DISMANTLING AND REPACKING THE MICROSCOPE
Sterilisation
CARE AND MAINTENANCE
...
15
Care of the optical head ...
15
Fuse change
15
...
Care of the lamp
...
16
Lamp replacement
...
16
Focus friction
...
17
Power supply
...
17
Mould pellet replacement
...
INSTALLING CAMERA EQUIPMENT
Video camera and monitor
17
...
18
...
18
Attaching the 35mm camera adapter
...
Disassembling the 35mm camera adapter BINOCULAR ASSISTANT MICROSCOPE
20
...
20
...
22
Mounting the binocular assistant microscope
...
22
TROUBLE SHOOTING
...
25
SPECIFICATIONS
...
27
Optical head
...
27
Lamphouse
...
27
Power supply
...
28
Mounting system
...
28
...
28
SO-1370 Video Camera Watec WAT-202B CCD...
29
SO-1380 Monitor Orion Combi 650 LCD...
30
Case
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LIST OF FIGURES Figure 1
Scan Optics SO-111 Ophthalmic Microscope
Figure 2
Setting the mains voltage
Figure 3
Attaching the clamp to the mounting surface
Figure 4
Attaching the arm assembly
Figure 5
Attaching the microscope assembly
...
7
Figure 6
Connecting the lamphouse cable ...
8
Figure 7
Connecting the power supply
9
Figure 8
Inserting the eyepieces and rough focusing
...
10
Figure 9
Inserting the focus and zoom control covers
...
11
Figure 10
Mould pellet replacement ...
17
Figure 11
Video system schematic
19
Figure 12
Assembling the 35mm camera attachments
...
21
Figure 13
Binocular assistant microscope ...
22
Figure 14a
Changing the assistant microscope configuration ...
23
Figure 14b
Changing the assistant microscope configuration ...
24
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3
...
5
...
6
...
6
...
...
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Figure 1
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Scan Optics SO-111 Ophthalmic Microscope
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INSTRUCTIONS AND SPECIFICATIONS Please read the following information carefully before installing and using the Scan Optics Ophthalmic microscope. Scan Optics is responsible for the safety, reliability and performance of the equipment only if it is used in accordance with these instructions.
PARTS LIST MAIN ASSEMBLIES
Clamp assembly (includes power supply, clamp and pillar and safety clamp) Arm assembly (includes horizontal arm and adjustable pantograph arm) Microscope assembly (includes microscope head, lamphouse, and tilt adjuster) CABLES
Lamphouse cable Mains power cable 12V dc supply (battery) Cable OTHER
Focus control covers (4) Zoom control covers (4) (OPTIONAL) FLOOR STAND
Base (1) Pillar (1) Arm mount (1) TOOL KIT
Eyepieces (2) Spare lamps (1) Spare fuses (2) Spare lamp (1) Socket keys (set 7: 1 x 1.5mm, 1 x 2mm, 1 x 2.5mm, 1 x 3mm, 2 x 4mm,, 1 x 6mm) Lens Cloth OPTIONAL ACCESSORIES
SCAN OPTICS PART NUMBER
Binocular assistant microscope Complete coaxial video system Coaxial digital camera and printer 35 mm coaxial camera Auxiliary light source Table plate Floor stand
SO-1420 SO-1350 SO-1355 SO-1375 SO-232 SO-291 SO-311
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UNPACKING AND INSTALLATION 1.
Remove the clamp assembly from the case.
2.
Check that the power supply is set to the correct mains voltage (110-120V or 220-240V), by noting the position of the indicator on the power supply near the mains input plug housing (see figure 2). Severe damage can occur if the setting is incorrect. M
If the mains voltage indicator is not correctly set, reposition it using a coin.
Figure 2
3.
Fix the clamp to the operating table about 40 cm from the head of the table. The clamp may be fixed on either side of the table. Make sure that the clamp is pressed firmly against the side of the table before tightening (see figure 3).
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Setting the mains voltage
M
Alternatively, the clamp may be mounted on any horizontal surface that can be positioned within 60 cm of the working position, such as a mobile trolley.
M
It is important that the mounting surface be free from vibration and movement. Note that in cases where the mounting surface is not rigid, over-tightening of the vertical clamp will not improve microscope stability. In this case, add a stiffening plate (such as Scan Optics Table Plate; Cat No. SO-291) beneath the mounting surface and apply the clamp over the stiffening plate and the original mounting surface.
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4.
Attaching the clamp to the mounting surface
Remove the arm assembly from the case, and place it on the pillar. Make sure that the arm assembly rests against the safety clamp (see figure 4).
Figure 4 ISSUE NUMBER: DATE:
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Tighten the safety clamp at a point about midway up the pillar (see figure 3).
Figure 3 5.
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Attaching the arm assembly
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6.
Page 7 of 30
Remove the microscope assembly from the case and locate it in the end of the arm assembly. Tighten the collet knob to secure the microscope (see figure 5).
Figure 5
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Attaching the microscope assembly
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7.
Page 8 of 30
Attach the female socket on the lamphouse cable to the connector on the side of the lamphouse. Pass the lamphouse cable through the clips on the arm assembly and plug into the power supply. This will ensure the cable does not obstruct the surgeon or come into contact with the sterile area (see figure 6).
Figure 6
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Connecting the lamphouse cable
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8.
The mains power supply must have a protective earth conductor. If there in no earth conductor, or if the integrity of the earth conductor arrangement is in doubt, the equipment must be operated from a 12Vdc power source.
Figure 7
Connecting the power supply
Switch on the mains power supply at the wall socket. M
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Plug the mains power cable into the power supply and into a mains power socket. International safety standards do not allow the use of an extension cord (see figure 7). M
9.
User Manual
When the ON/OFF switch is selected to ON, the power supply indicator will light.
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10.
11.
M
Retain the eyepiece blanks for repacking the microscope. Do not discard the eyepiece blanks.
M
Take care to protect the lamphouse prism at all times. If placing the microscope assembly on a bench, lie carefully on one side.
Focus the microscope roughly by tilting the arm up or down to the best vertical position (see figure 8).
Inserting the eyepieces and rough focusing
Check that the eyepieces are located at a comfortable viewing level. If not, rotate the tilt adjustment knob clockwise to tilt the microscope assembly down, or anticlockwise to tilt the microscope assembly up.
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Remove the microscope eyepiece blanks and insert the eyepieces (see figure 8).
Figure 8
12.
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13.
Page 11 of 30
Remove two (large) focus control covers and two (small) zoom control covers from the bag inside the case. Push them into position on to the focus control knobs and zoom control knobs respectively (see figure 9). M
Focus control covers and zoom control covers are intended to be sterilised before any operating procedures.
Figure 9
14.
User Manual
Inserting the Focus and Zoom Control Covers
Switch on the power supply and observe the light patch produced. If the patch of light is brighter to one side, it can be easily adjusted. Insert a 3mm socket key in the hole in the lamphouse cover above the ‘bulb adjust’ label, so that it engages in the socket of the adjusting screw. With the lamp on, turn the screw a small amount to the left or right until the patch of light is even. Small amounts of adjustment should be sufficient. Do not force the screw.
12 VOLT DC SUPPLY
The Scan Optics Ophthalmic Microscope may be connected to either an earthed mains (110-120V or 220-240V) ac supply, or a 12V dc supply, or both. If both supplies are connected, the battery will act as an emergency backup for mains power. In this case, the microscope will not run from battery power unless the mains supply fails or falls by more than 20 percent, or is switched off. If mains power is restored, the microscope will resume using mains power automatically. The mains power switch on the microscope does not switch the battery off. There is some reduction in light output when the battery is connected through the power supply. If the 12V supply is to be used in isolation, or if the mains power has completely failed, the light output may be increased by connecting the battery cable directly to the lamphouse cable, bypassing the power supply. ISSUE NUMBER: DATE:
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CONNECTING THE POWER SUPPLY TO A 12-VOLT DC SUPPLY (BATTERY)
1.
If the power supply is to be connected to a 12-volt dc supply, remove the battery cable from the case.
2.
Connect the cable to the 12-volt connector on the underside of the power supply (see figure 7).
3.
Connect the red battery clip to the positive battery terminal, and the black clip to the negative battery terminal. The power supply will not operate if the terminals are reversed (see figure 7). M
Earthing is not required when a 12-volt supply is used alone.
M
The 12-volt supply must be direct current. The power supply will not operate with 12 volts alternating current.
M
A battery with 7 amp hour capacity, such as a motor cycle or emergency lighting battery will provide about 3.5 hours life at the maximum brightness setting.
DISMANTLING AND REPACKING THE MICROSCOPE 1.
Switch off the mains power.
2.
Remove the mains power and 12-volt cables and repack.
3.
Remove the microscope eyepieces and replace them into the toolbox. This will ensure the eyepieces are not dropped when the microscope assembly is removed.
4.
Insert the eyepiece blanks in the microscope assembly.
5.
Unplug the lamphouse cable from the power supply.
6.
Reset the focus adjustment all the way down.
7.
Remove the focus control covers and zoom control covers and repack or sterilise immediately if necessary.
8.
Remove the microscope assembly and carefully repack. Take care to protect the lamphouse prism.
9.
Remove the arm assembly, and rotate the arm about the elbow until it lies parallel with the horizontal arm. Push the arm down flat and tighten the arm lock to keep it flat. Repack the arm assembly in the case.
10.
Unclamp the remaining assembly from the table and slide the safety clamp down. Replace the clamp assembly in the case.
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USE OF THE MICROSCOPE The equipment must be located more than 25 cm away from any medical gas system or disinfection or degreasing system containing flammable vapour. The power supply must also be protected from liquid splashes and spills.
INITIAL POSITIONING
1.
Set the instrument approximately in position by swinging the elbow as required.
2.
Set the focus adjustment to the midway position by aligning the focus mid-position marks on the fixed and moving parts of the focusing system.
3.
Adjust the height of the microscope by moving the arm vertically so that the work area is approximately in focus. Tighten the arm and elbow locks.
4.
Check the eyepiece setting to ensure clear vision with each eye separately, and set the pupillary distance. Note that the working distance is increased by rotating both eyepieces in a clockwise direction, and reduced by rotating both eyepieces counter-clockwise. The working distance may also vary with the zoom setting.
5.
The microscope can now be swung aside.
POSITIONING DURING USE
1.
Swing the microscope over the patient
2.
Hold the focus control knobs to move the microscope to the correct position. The most accurate focusing can be obtained at the highest magnification, as the depth of focus is then minimised.
3.
Tighten the pillar lock knob until the microscope is prevented from moving freely, but is still able to be moved when required. The friction of the arm and elbow locks should be adjusted so that the movement feels uniform in all directions.
4.
Focus the microscope by moving the optical head or by turning the focus control knobs, and choose the magnification by turning the zoom control knobs.
5.
To swing the microscope out of the way, undo the pillar lock knob and swing the microscope about the pillar. It will remain in focus when returned to the work area.
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CAUTION:
When the Microscope is in use it is essential that: M
The collet knob which locks the microscope head to the arm is securely tightened.
M
The safety clamp is positioned directly under the fixed arm and is locked.
Failure to observe these precautions may allow the microscope head to fall, with risk of harm to the patient
STERILISATION
The detachable focus control covers and zoom control covers may be sterilised by: M
boiling
M
autoclaving
M
chemical sterilisation
M
gas sterilisation.
The anodised and plated metal components can be wiped with any of the normal disinfectants. The plastic parts and the paintwork of the microscope assembly and the power supply may be affected by organic solvents. Do not autoclave or wipe with organic solvents such as ether, xylene or alcohol; to clean use water-based solvents only. One set of focus control covers and zoom control covers can be sterilised while the other is in use. NOTE: National authorities may require the use of specific sterilisation or disinfection methods.
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CARE AND MAINTENANCE CARE OF THE OPTICAL HEAD
1.
Cleaning the optical components. The eyepieces should be checked for cleanliness each time the instrument is used. Surface dust should be removed with a clean, soft brush. Fingerprints or grease may be removed by lightly wiping with a cotton cloth or lens tissue moistened with a 70:30 mixture of absolute alcohol (either ethanol or methanol) and ether. Do not use acetone as it may damage the surface coating.
2.
Cleaning the plastic parts and paintwork. Use water based cleaners only. Do not use any organic solvent such as alcohol, ether or xylene.
3.
Protection against mould. In hot and humid climates it is common for mould to grow on optical surfaces. Cleaning and repairing the damage can be expensive and inconvenient. To minimise the risk of mould forming, do not leave the instrument without either eyepieces or eyepiece blanks inserted and always store the optical head in a sealed bag containing silica gel desiccant. In tropical climates, routine annual maintenance of the optical head is recommended.
4.
Do not dismantle. No parts inside the optical head of the instrument can be serviced by the user. Attempts to dismantle the optical head or prism cover will make any warranty void.
FUSE CHANGE
1.
Turn off the mains power at the switch and remove the mains power cable as a precaution.
2.
Open the fuse housing on the underside of the power supply with a coin or screwdriver.
3.
Remove the old fuse, checking for failure.
4.
Replace the fuse with an M205 (20 x 5mm) anti-surge type fuse, rated at 1 amp and 240 volts. Do not replace the fuse with a fuse of a higher rating.
5.
Secure the fuse housing with the coin or screwdriver.
6.
Replace the mains power cable and switch on to check operation.
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CARE OF THE LAMP
The lamp supplied has a rated average life of 2,000 hours. The actual life of the lamp will depend on the intensity setting normally used. The highest setting is an over-run setting which increases light output but reduces lamp life to about 350 hours. It is strongly recommended that the lamp be replaced as a routine maintenance task, to reduce the possibility of failure during surgery. The Scan Optics SO-111 Ophthalmic Microscope uses lamps that are readily available in most countries.
LAMP REPLACEMENT
1.
Ensure that the lamphouse and lamp are cool to the touch.
2.
Remove the lamphouse door by placing both thumbs in the groove and pushing in the direction of the ‘push to open’ label. Pry the lamp from the lamp holder.
3.
Replace the lamp with a new lamp. Refer to the specifications for exact lamp type.
4.
M
The replacement lamp must be rated for 12 volts and not more than 20 watts. Use of a lamp of higher wattage may cause damage.
M
The lamp must be handled with gloves or a tissue. If touched with bare fingers, it must be cleaned with alcohol before switching on or the life of the lamp may be substantially reduced.
There may be some variation in the position of the filament with different lamps. When the lamp is replaced it may be necessary to adjust the lamp position in the lamp holder, to ensure that the filament is correctly centred and so produce a uniform area of illumination. M
In general, a clearance of about 1mm will be needed between the envelope of the lamp and the lamp holder.
5.
Replace the lamphouse door by pushing it back into place.
6.
Switch on the power supply and observe the light patch produced. If the patch of light is brighter to one side, it can be easily adjusted. Insert a 3mm socket key in the hole in the lamphouse cover above the ‘bulb adjust’ label, so that it engages in the socket of the adjusting screw. With the lamp on, turn the screw a small amount to the left or right until the patch of light is even. Small amounts of adjustment should be sufficient. Do not force the screw.
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FOCUS FRICTION
The focusing system should allow the microscope head to be lowered and raised smoothly and easily, but should not allow the head to fall under its own weight. The friction of the focusing system may be adjusted as follows: M
Simply hold the plain (left) focus control knob and rotate the right focus control knob (marked “tension”) until the desired friction is achieved. To increase the friction rotate the knob clockwise, to decrease the friction rotate the knob anti-clockwise.
POWER SUPPLY
In many countries the mains voltage fluctuates widely. Low voltage can greatly reduce the light output, and high voltage can greatly reduce lamp life. The Scan Optics power supply provides a constant voltage to the lamp for a wide range of mains power voltages. Quartz halogen lamps have very low resistance when cold. The starting current can thus be very high, and the lamp filament may fail when turned on. The Scan Optics power supply provides a "soft start" with a ramped initial voltage to increase lamp life.
MOULD PELLET REPLACEMENT
1. 2. 3. 4. 5. 6.
Loosen the grubscrews (no. 1 below) holding the head (2) into the universal arm (4). Lift the head out of the universal arm. Remove the cover plate (3) at the back of the head. Peel the old pellet off of the inside wall and replace with the new pellet. The new pellet should go on the right hand side of the head. Replace the cover plate and secure the head back into the universal arm.
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Mould pellet replacement
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INSTALLING CAMERA EQUIPMENT VIDEO CAMERA AND MONITOR
1.
Set up the microscope according to the instructions.
2.
Slide the second safety clamp on to the pillar and tighten lock.
3.
Slide the mounting arm onto the pillar and rest on top of the safety clamp.
4.
Screw the stand on to the mounting arm using the screws provided.
5.
Fix the monitor to the stand using the captive screw at the top of the stand.
6.
Adjust the position of the arm so that the monitor is at eye level, and move the safety clamp under the arm as necessary. Adjust the stand as necessary to angle the monitor.
7.
Remove the black cap on top of the microscope head and attach the camera assembly in its place. Keep the cap in a safe place.
8.
Attach the ‘Y’cable to the power adapter cable using the in-line connectors. Connect the small right-angled power plug to the monitor DC in socket and the large straight power plug to the camera DC in socket. Plug the power adapter in to a mains socket using a mains plug adapter as necessary. Note that the power adapter will automatically detect mains voltages between 100 and 240V, 50-60Hz. Refer to figure 11.
9.
Connect the Monitor (AV in) to camera (video out) using the video cable. Switch the moitor on. Refer to figure 11.
10.
Note that the moitor may be connected to a video recorder to tape camera output. To connect to a video recorder, use the AV out socket located below the AV in socket on the monitor, and connect to the AV in of your video recorder.
11.
Bring the right eyepiece of the microscope into focus.
12.
Adjust the left eyepiece to focus.
13.
If the picture on the monitor is unfocussed, adjust focus at rear of the SZ-CTV attachment below the camera. Refer to figure 11.
14.
If the picture is at an angle, loosen the retaining screw and rotate the camera assembly in its mount until the picture is upright. Re-tighten the screw.
15.
Adjust the picture using the brightness, contrast, and colour controls located on the side of the monitor.
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Figure 11
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Scan Optics SO-111 Video System Schematic
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ATTACHING THE 35MM CAMERA ADAPTER
Refer to figure 12. 1.
Remove the protective plastic cap on the trinocular attachment (B) by unscrewing the fasteners located on either side.
2.
Attach the photo tube (C) on the trinocular attachment as shown and secure by screwing the fasteners back in.
3.
Carefully insert the photo eyepiece (D) into the photo tube. Note that the photo eyepiece must be removed from the photo tube if the assembly is to be transported.
4.
Attach the photomicro adapter (E) to the photo tube and secure by tightening the knob on the bottom of the adapter.
5.
Attach the camera (F) on the top of the photomicro adapter.
6.
Attach the Vari-Magnifinder and/or remote cord as required.
DISASSEMBLING THE 35MM CAMERA ADAPTER
1.
To disassemble the photographic apparatus, simply perform the steps above in reverse. Note that the photo eyepiece must be removed from the photo tube when the apparatus is dismantled.
2.
Take care to ensure that protective caps provided with the components (e.g. photo tube, trinocular attachment) are replaced after use.
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