Riester ri-former Instructions D'utilisation page 20

6.3.3 Rotation
The slit or spot image may be rotated by 360° by the control. Each angle
may be directly read from the scale on the retinoscope.
6.3.4 Fixation cards
Fixation cards are suspended and fixed on the object side of the retino-
scope into the bracket for the dynamic skiascope.
6.3.5 Slit/Spot design
The slit retinoscope may be converted to a spot retinoscope by exchan-
ging the slit lamp against a spot lamp.
6.3.6 Technical data of the lamp
Slit retinoscope HL 2.5 V 2.5 V 440 mA mean life span 15 h
Slit retinoscope XL 3.5 V 3.5 V 690 mA mean life span 50 h
Spot retinoscope HL 2.5 V 2.5 V 450 mA mean life span 15 h
Spot retinoscope XL 3.5 V 3.5 V 640 mA mean life span 40 h
6.4 ri- derma Dermatoscope
6.4.1 Intended use
The ri-derma dermascope described in these Operating Instructions is
produced for early identification of changes of skin pigmentation (ma-
lignant melanomas).
6.4.2 Commissioning and function
Position the required instrument head on point of attachment on top
section of handle with both recesses of the instrument head bottom
section being congruent with the two projecting guide cams of the bat-
tery handle. Press instrument head lightly on battery handle and rotate
handle in clockwise direction to the stop. Remove head by rotating in
counter-clockwise direction.
6.4.3 Focusing
Focus the magnifying glass by rotating the eyepiece ring.
6.4.4 Skin-friendly contact plates
2 skin-friendly contact plates are included:
- With a scale of 0-10 mm for the measurement of pigmented
lesions such as malignant melanoma.
- Without scaling.
Both contact plates are easily removable and replaceable.
6.4.5 Technical data of the lamp
ri-derma XL 2.5 V 2.5 V 750 mA ave. life 15 h
ri-derma XL 3.5 V 3.5 V 690 mA ave. life 15 h
ri-derma LED 2.5 V 2.5 V 280 mA ave. life 10.000 h
ri-derma LED 3.5 V 3.5 V 280 mA ave. life 10.000 h24
6.5 Bent-arm illuminator
6.5.1 Intended use
The bent-arm illuminator described in these Operating Instructions is
produced for illuminating the oral cavity and the pharynx.
6.5.2 Commissioning and function
Position the required instrument head on point of attachment on top
section of handle with both recesses of the instrument head bottom
section being congruent with the two projecting guide cams of the bat-
tery handle. Press instrument head lightly on battery handle and rotate
handle in clockwise direction to the stop. Remove head by rotating in
counter-clockwise direction.
6.5.3 Technische Daten der Lampe
Bent-arm illuminator XL 2.5 V 2.5 V 750 mA ave. life 15 h
Bent-arm illuminator XL 3.5 V 3.5 V 690 mA ave. life 15 h
Bent-arm illuminator LED 2.5 V 2.5 V 280 mA ave. life 10.000 h
Bent-arm illuminator LED 3.5 V 3.5 V 280 mA ave. life 10.000 h
6.6 Nasal speculum
6.6.1 Intended use
The nasal speculum described in these Operating Instructions is pro-
duced for illumination and therefore examination of the inside of the
nose.
6.6.2 Commissioning and function
Position the required instrument head on point of attachment on top
section of handle with both recesses of the instrument head bottom
section being congruent with the two projecting guide cams of the bat-
tery handle. Press instrument head lightly on battery handle and rotate
handle in clockwise direction to the stop. Remove head by rotating in
counter-clockwise direction.
20
For two modes of operation:
Fast expansion:
Push set screw on instrument head down with your thumb.
This setting does not allow changes in the position of the specula legs.
Individual expansion:
Rotate set screw in clockwise direction until the required expansion
width is obtained. Close legs again by turning screw in clockwise di-
rection.
6.6.3 Swivel lens
The nasal specula is equipped with a swivel lens of approx. 2.5X enlar-
gement which may be simply pulled out and/or replaced in the opening
provided on the nasal specula.
6.6.4 Technical data of the lamp
Nasal specula XL 2.5 V 2.5 V 750 mA ave. life 15 h
Nasal specula XL 3.5 V 3.5 V 720 mA ave. life 15 h
Nasal specula LED 2.5 V 2.5 V 280 mA ave. life 10.000 h
Nasal specula LED 3.5 V 3.5 V 280 mA ave. life 10.000 h
6.7 Tongue blade holder
6.7.1 Intended use
The Tongue blade holder described in these Operating Instructions is
produced for examination of the oral cavity and pharynx in combination
with commercial wooden
and plastic blades.
6.7.2 Commissioning and function
Position the required instrument head on point of attachment on top
section of handle with both recesses of the instrument head bottom
section being congruent with the two projecting guide cams of the bat-
tery handle. Press instrument head lightly on battery handle and rotate
handle in clockwise direction to the stop. Remove head by rotating in
counter-clockwise direction. Insert a commercial wooden or plastic
tongue blade into the aperture below the light opening up to the stop.
The tongue blade is easy to remove after examination by actuating the
ejector.
6.7.3 Technical data of the lamp
Depressor holder XL 2.5 V 2.5 V 750 mA ave. life 15 h
Depressor holder XL 3.5 V 3.5 V 720 mA ave. life 15 h
Depressor holder LED 2.5 V 2.5 V 280 mA ave. life 10.000 h
Depressor holder LED 3.5 V 3.5 V 280 mA ave. life 10.000 h
6.8 Laryngeal mirror
6.8.1 Intended use
The laryngeal mirrors described in these Operating Instructions are
produced for mirroring or examination of the oral cavity and pharynx in
combination with the Riester bent-arm illuminator.
6.8.2 Commissioning and function
Laryngeal mirrors may only be used in combination with the bent arm
illuminator, thus ensuring maximum lighting conditions. Take two la-
ryngeal mirrors and fix them in the required direction on the bent-arm
illuminator.
6.9 Operation otoscope for veterinary medicine without speculum
6.9.1 Intended use
The Riester operation otoscope described in these Operating Instruc-
tions is produced exclusively for use on animals and for veterinary me-
dicine and therefore bears no CE mark. It can be used for illumination
and examination of the auditory canal, as well as for minor operations
in the auditory canal.
6.9.2 Attachment and removal of ear specula in veterinary medicine
Position the required specula on the black bracket of the operating
otoscope, with the recess of the specula fitting into the guide of the
bracket. Attach specula by rotating in anti-clockwise direction.
6.9.3 Swivel lens for enlargement
The operating otoscope comprises a small magnifying lens to be swi-
velled at an angle of 360° for a maximum enlargement of approx. 2.5 x.
6.9.4 Insertion of external instruments into the ear
The operation otoscope is designed to be open so that external instru-
ments can be inserted into the animal ear.
6.9.5 Technical data of the lamp
Operating otoscope HL 2.5 V 2.5 V 680 mA ave. life 20 h
Operating otoscope XL 3.5 V 3.5 V 700 mA ave. life 20 h