• TUNING FORKS 
    • Manufacturer: Rudolf Riester GmbH - Germany
    • Origin:  USA
    • Certificate ISO 13485
    • Product details:
      • Product Specification:
        • Riester offers a large range of the most high quality tuning forks and tuning fork sets for ear specialists and neurologist
        • Ensure maximum functionality and reliability
        • Highest quality materials: nickel steel or aluminium
        • Large selection of different frequencies: from 64 Hz to 4096 Hz
        • Tuning forks with and without clamps
        • Tuning forks with and without base for different requirements in everyday hospital and office practice
    • SPHYGMOMANOMETER
    • Model: Babyphon
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485, CE certificate
    • Product details: 
      • Product spcecifications:
        • babyphon® palm-style sphygmomanometer is ideal for paediatrician’s offices and hospitals and comes with a full range of cuffs for child, baby and infant
        • Choice of  gauges (minimus II, precisa N or e-mega)
        • Includes child, baby and infant velcro cuffs
        • Precision pressure-release valve permits fine regulation and is non-wearing
        • Micro-filter protects pressure-release valve and measurement system
        • Special hardened copper-beryllium membranes, virtually unchangeable precision workings
        • Membrane can withstand pressures up to 600 mm
        • Linear scale, up to 300 mm Hg
        • Maximum error tolerance of +/- 2 mm Hg
        • In padded nylon zipper bag
        • Comprehensive range of different cuff sizes and designs
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    • BIG BEN DESK DESIGN 
    • Model: Big ben
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485, CE certificate
    • Product details: 
      • Product specifications:
        • Lifetime measuring technology withstands pressures of up to 600 mmHg
        • Specially hardened copper-beryllium membrane, which is resistant to aging
        • Generously dimensioned scale (Ø 147.2 mm or 145,5 mm) and high-contrast scale layout for optimum readability; scale up to 300 mm Hg
        • Spacious basket on the reverse side for tubes and cuffs
        • Latex bulb to inflate the cuff
        • Non-wearing air-release valve with fine adjustment
        • Micro-filter to protect the release valve and measuring system
        • Specially hardened copper-beryllium membrane, which is resistant to aging.
        • No zero-point fixation required
        • Maximum error tolerance: ± 3 mmHg
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    • BIG BEN FLOOR DESIGN
    • Model: Big ben
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485, CE certificate
    • Product details: 
      • Product specifications:
        •  Generously dimensioned scale (Ø 147.2 mm or 145,5 mm) and high-contrast scale layout for optimum readability; scale up to 300 mm Hg
        • Spacious basket on the reverse side for tubes and cuffs
        • Lifetime measuring technology withstands pressures of up to 600 mmHg
        • Specially hardened copper-beryllium membrane, which is resistant to aging
        • Non-wearing air-release valve with fine adjustment
        • Micro-filter to protect the release valve and measuring system
        • Specially hardened copper-beryllium membrane, which is resistant to aging
        • No zero-point fixation required
        • Maximum error tolerance: ± 3 mmHg
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    • E-MEGA SPHYMOMANOMETER
    • Model: E-MEGA
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485, CE certificate
    • Product details: 
      • Product specifications:
        • Fast inflation of the cuff due to new ergonomic spoon design
        • Lifelong precision due to almost non-aging precision movement, with specially tempered copper-beryllium diaphragm for pressure-loading capacity up to 600 mm Hg
        • Large manometer scale (ø 63 mm) and optimized scale and pointer design for better readability of values
        • High-polished manometer surface, easy to disinfect.
        • Maximum error tolerance +/- 3 mm Hg.
        • Microfilter protects air release valve and measuring system.
        • Disinfectable and washable one-piece cuffs in different sizes.
        • Comfort – air release valve, wearfree, with fi ne adjustment.
        • Available as 1-tube and 2-tube model with plug-in connection
        • Completely latex-free version with shock-protecting polycarbonate casing
        • Delivery includes one-piece cuff and vinyl zipper bag
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    • BLOOD PRESSURE CLOCK
    • Model: R1 shock
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • Patented (pending) shock-proof technology
        • Special air duct for stable pointer movements
        • Fast, ergonomic inflation due to optimized bulb design with integrated spoon
        • Non-resistant opening of air release valve ensures precise and comfortable operation
        • One piece cuff, washable and disinfectable
        • 5 years warranty on calibration
        • Shock-proof up to a falling height of 120 cm. Con-ventional aneroid sphygmomanometers are shock-sensitive and their measurement accuracy may be impaired after an impact or a fall to the floor, so may no longer be used. This results in inaccurate readings or considerable logistic costs.
        • Two-component ABS casing
        • Maximum error tolerance of +/- 3 mm Hg
        • Incl. Vinyl zippered bag
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    • DERMATOSCOPE
    • Model:  Ri-derma
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • Today skin cancer is a commonly occurring disease, which can often be diagnosed and treated at an early stage. The ri-derma dermatoscope offers physicians and specialists a reliable method of dermatoscopic screening and early identification of malignant melanomas. Proven epiluminescence microscopy allows melanocytic and non-melanocytic structures to be distinguished and enables precise observation of changes in skin pigmentation
        • Illumination of the examination field with 3.5 V LED illumination and/or 2.5 V XL xenon illumination resembles natural daylight
        • 10-fold magnification of the structure of the skin with focussing, achromatic lens
        • Two different skin-friendly and sterilizable contact plates are available:
      • with scale from 0 – 10 mm for exact measurement of pigmented skin lesions
      • without scale
        • Bulbs can be quickly replaced at the base of the instrument head
        • Stable casing of black chrome-plated metal, dustproof
        • Practical eyeglass protection
        • Bayonet fitting for quick and secure attachment of the instrument head to the handle
        • Large selection of power sources: handy and stable handles, practical chargers and well-conceived diagnostic stations
        • Large selection of ri-derma sets at especially attractive prices
        • All of the power sources can be combined with the high-quality Riester ri-derma line
        • Developed and manufactured in Germany
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    • OPHTHALMOSCOPES
    • Model: Ri-scope L
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • Ri-scope L premium hand held diagnostic instruments
        • Ri-scope® L – premium hand-held ophthalmoscopes with renowned optics, reduced reflection and LED technology to enable a more efficient diagnosis with lower maintenance costs
        • Renowned high performance optics and bright illumination aspherical condenser lens, coaxial light beams for diagnosis and illumination (Gullstrand principle), reflection-reduced view even with small pupils
        • Its optimum values in all these fields make the ri-scope® a pioneering hand-held instrument for flexible diagnosis
        •  LED illumination – bright light with a nearly unlimited lifetime! -  Maintenance-free High-Performance LED technologyCRI > 90, colour temperature 4.000 Kelvin - excellent colour rendering close to natural daylight conditions for more efficient diagnosis -   Designed for optimal heat dissipation - longer lifetime and brilliant illumination over the entire lifespan of the LED (100.000 hrs)
        • Ri-scope L Premium-ClassDirect Ophthalmoscope with renowned high-performance optics and LED / Li-Ion technology
        • Available with LED or Xenon illumination and a wide range of power supply options.
        • ri-scope® L1 The inexpensive basic model with all the important basic functions
        • ri-scope® L2 The enhanced basic model with separately engageable red-free, blue and polarization filters for each aperture
        • ri-scope® L2 The enhanced basic model with separately engageable red-free, blue and polarization filters for each aperture
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    • OPHTHALMOSCOPE
    • Model: Ri-mini
    • Code: 3011
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Đức
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • With XL 2.5 V xenon lamp
        • Screw fitting for fast and secure attachment to the handle
        • Sturdy adjustment ring to turn the instrument head to the ideal position on the handle
        • Extremely impact resistant casing made of glass-fibre reinforced plastic
        • Focussing wheel with corrective lenses from 0 to +20 and 0 to –20 dioptres
        • Illuminated dioptre display
        • Built-in eyeglass protector
        • Easy to operate aperture hand-wheel
        • Simple exchange of the lamp at the base of the instrument head
        • Battery handle type AA
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    • OPHTHALMOSCOPES
    • Model:  E-scope
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • With 2.7V vacuum or halogen illumination and with innovative 3.7V LED illumination for higher-contrast and more efficient diagnosis
        • Dioptre disc with 18 corrective lenses (+/- 1, 2, 3, 4, 6, 8, 10, 15, 20 dioptres)
        • Easy-to-use aperture wheel with six different apertures (fixation star, large circle, small circle, red free filter, blue filter, semi circle)
        • High performance optics with aspherical condenser lens
        • spectacle protection
        • Parallel optical path
        • Dust-protected
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    • OTOSCOPES
    • Model: Ri-scope® L
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • Ri-scope® L premium hand-held otoscopes with advanced optics, reduced reflection and LED technology to enable a more efficient diagnosis with lower maintenance costs. The new LED / Li-ion technology resulting in more reliable instruments due to significantly longer service life of batteries and LEDs
        • Designed for optimal heat dissipation - longer lifetime and brilliant illumination over the entire lifespan of the LED (100.000 hrs)
        • Pin Li-ion – Memory effect and self-discharge are no match: the lightweight lithium-ion battery used in the ri-scope® L has an unsurpassed lifetime – with higher loading capacity and sustained high-power performance, even after well over 1.000 charge cycles.
        • Đèn soi tai Ri-scope® L  Premium otoscopes with glass optics and led/li-ion technology
        • ri-scope® L1 The inexpensive basic model with reduced-reflection, direct illumination (without specula ejection device). Direct illumination with 2.5 V xenon, or 3.5 V xenon lamp.  Bi-directional swivelling optical glass with 3-fold magnification, optional available with operation lens with 4-fold magnification Suitable for pneumatic tests (supplied without ball).
        • ri-scope® L2 The inexpensive F.O. model with 2.5 V/3.5 V xenon or 3.5 V LED lights (without specula ejection device).  Fiberoptics for optimal beaming and transmission of the light
        • ri-scope® L3 The high-end F.O. version with 2.5 V/3.5 V Xenon or 3.5 V LED illumination, specula ejection device and operation lens.  Operation lens with 4-fold magnification and glass mini optic ease the insertion of instruments.  Easy-to-operate SpecEjec® specula ejection device.
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    • OTOSCOPE
    • Model: Ri-mini
    • Code: 3010
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certifications ISO 13485
    • Product details: 
      • Product specifications:
        • With XL 2.5 V xenon lamps
        • Fibre-optics for an optimum light beam and transmission of light. In combination with the lamp produce cool examination light similar to daylight, very pleasant for the patient
        • Removable magnifying lens with 2.5-fold magnification
        • Possibility to insert external instruments when magnifying lens is removed
        • Screw fitting for secure attachment to handle
        • Sturdy adjustment ring to turn the instrument head to the ideal position on the handle
        • Sealed system for performing pneumatic otoscopy
        • Extremely impact resistant casing made of glass-fibre reinforced plastic
        • Simple exchange of lamp at the base of the instrument head
        • Including ear specula 4 mm
        • Specula fitting is compatible with speculas of other well-known suppliers
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    • OTOSCOPE
    • Model: EliteVue
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • The EliteVue otoscope is setting the standards
        • The EliteVue offers twice the field of view and 66% greater magnification compared to standard otoscopes
        • The EliteVue offers a significantly improved view of the auditory canal and tympanic membrane, enabling more efficient diagnosis and enhanced patient outcomes. Suitable for throat illumination
        • High-performance LED illumination (4,000 Kelvin, CRI = 92)
        • More than 5-fold magnification
        • Twice the field of view
        • Complete view of the tympanic membrane
        • Reflection-optimized high performance glass optics
        • Wheel to adjust focal depth
        • Suitable for pneumatic otoscopy (supplied without ball)
        • Easy to operate SpecEjec specula ejection device at the rear side of the otoscope to avoid contamination
        • A wide range of power supply options: as part of a diagnostic station, battery operated or with a rechargeable handle.
        • EliteVue is compatible with ri-scope® L handles and power sources as well as the ri-former wall diagnostic station.
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    • RETINOSCOPES/ SKIASCOPE
    • Model:  Ri-scope
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
          • The ri-scope® retinoscope (skiascope) measures the refractive power of the eye. Refractive flaws, such as near- and far-sightedness, as well as astigmatism can be detected and diagnosed
          • With XL 3.5 V xenon lamp or HL 2.5 V halogen lamp
          • Two models are available:
      • **The spot-light retinoscope projects a circular light beam 
      • **The slit-light retinoscope with a light beam in the form of a line, simplifies detection and diagnosis of astigmatic refractive flaws
      • The reflex in the form of a line is moved vertically to the axis across the pupils of the patient with a slight oscillating movement. A shadow moves in the same or opposite direction
      • Co-movement (plus lines): The patient is far-sighted
      • Counter-movement (minus lines): The patient is nearsighted
          • Easy to operate with knurled thumb screw. The line and spot image can be focussed with the controls and turned 360º, angle read-out displayed on the integrated scale
          • Holder for hanging and placement of the fixation card into position for dynamic retinoscopy
          • Delivered with two fixation cards. The patient’s eye can adjust optimally to the distance to the retinoscope
          • Integrated eyeglass protection
          • Bayonet fitting for quick and secure attachment to the handle
          • Dust-proof, very sturdy and light casing made of impact-resistant ABS plastic
          • Bulbs can be quickly replaced at the base of the instrument head
          • Large selection of power sources: handy and stable handles, practical chargers and well-conceived diagnostic stations
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    • INDIRECT OPHTHALMOSCOPE
    • Model:  ALL PUPIL II
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Code: 3997
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • Brighter and whiter light for an efficient diagnosis
        • High-contrast, clear images with the world‘s leading Keeler optics
          • Riester's ALL PUPIL II uses specially coated and individually laser cut lens for best sight- everyday
        • Light and comfortable
        • Simple operating elements
        • IR and UV filter
        • Easy and fast bulb replacement
        • Extraordinary adjustable light intensity even under the most difficult examination conditions, simple to adjust
        • All Pupil II LED
          • Brighter and whiter light for an effi cient diagnosis
          • No longer necessary to keep buying replacement lamps
          • The LED has a life expectancy of approx. 10,000 h
          • Upgradeable Bye-bye xenon lamp, hello LED!
        • Cable connected or wireless power supply
          • All Pupil II is available in various versions
          • Either with wall attachment and cable connected power supply for stationary use, as a mobile version with high-performance battery pack attached to the belt or as a completely wireless version for absolute freedom of movement without compromise
          • For best comfort while maintaining full lighting performance.
        • Wide-angle diffuser
          • The wide-angle diffuser eliminates shadows at the edge of the lens, which enlarges the fi eld of vision considerably
          • The light through the diffuser is also more pleasant for the patient
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    • CLAR HEAD LIGHT FOR ENT EXAMINATION
    • Model:  CLAR N
    • Code: 6073
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • One hand operation
        • Wireless and balanced headband with built in battery compartment
        • More efficient diagnosis due to white high performance LED (140 lumen)
        • Service life of LED up to 50.000 hours
        • Significantly less energy consumption and heat generation
        • Headband version, with built-in battery compartment and integral charge jack, can be optionally fitted with 2 lithium batteries size CR 123 A, 4 batteries size AAA (alkaline) or 4 rechargeable batteries size AAA (NiMH)
        • Headband cleaning made easy by inner, removable and washable padding
        • Particularly comfortable with balanced, infinitely adjustable headband
        • Mirror Ø 55 mm infinitely adjustable and fixable.
        • On/off switch on the battery compartment
        • White LED, 1 Watt with 4.000 Kelvin, CRI = 92, 6V, or with 6V vacuum lamp
        • Adjustable lamp holder on the mirror to focus the circle of light
        • Battery operation approx. 4 hrs. with lithium batteries, approx. 90 min. with alkaline batteries Type AAA, approx. 90 min. with rechargeable battery
        • Weight with mirror 55 mm: 209g / 0.46 lb without batteries, 242 g / 0.54 lb with CR 123 A lithium batteries, 258 g / 0.57 lb with rechargeable AAA batteries
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    • MEDICAL LIGHTING
    • Model:  RI-FOCUS LED
    • Code: 6091
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • One hand operation
        • Wireless and balanced headband with built in battery compartment
        • More efficient diagnosis due to white high performance LED (140 lumen)
        • Service life of LED up to 50.000 hours
        • Significantly less energy consumption and heat generation
        • Headband version, with built-in battery compartment and integral charge jack, can be optionally fitted with 2 lithium batteries size CR 123 A, 4 batteries size AAA (alkaline) or 4 rechargeable batteries size AAA (NiMH).
        • Headband cleaning made easy by inner, removable and washable padding.
        • Particularly comfortable with balanced, infinitely adjustable headband
        • On/off switch on battery compartment.
        • Charge jack for plug-in charger integrated in battery compartment
        • Focusable LED lamp at a distance of 40 cm /15.75 inch approx. Ø 40 mm /1.57 inch - Ø 200 mm / 7.87 inch, infinitely adjustable.
        • White LED with 6.500 Kelvin.
        • Battery operation: approx. 4 hrs. with lithium batteries, approx. 90 min. with alkaline batteries Type AAA.
        • Rechargeable battery operation: approx. 90 min. with fully charged battery
        • Weight: 210 g / 0.46 lb without batteries, 242 g / 0.54 lb with CR 123 A lithium batteries, 259 g / 0.57 lb with rechargeable AAA batteries.
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    • EXAMINATION LIGHT
    • Model: Ri-magic HPLED
    • Manufacturer: Rudolf RIESTER GmbH - Germany
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Produuct specifications:
        • High performance LED, 6.500 Kelvin
        • Lifetime of the lamp up to 50.000 hours
        • Significantly less heating and energy loss
        • Focusing device at the front of the light head
        • Highly flexible, long special arm can be bent in all directions
        • Rheostat handle for infinitely variable regulation of light intensity
        • Wide-range power cord for 230V/120V
        • Available with a choice of plugs to suit the electrical outlets in your country upon request
        • Available with a choice of plugs to suit the electrical outlets in your country upon request
        • Available as mobile, wall and examination table or desk design
        • Sturdy mobile base made of fibreglass and chrome plated pole
        • Diameter 54 cm
        • Easy to move due to low friction castors (antistatic, two castors can be locked)
        • Power supply attached to the pole (Art. No. 6252).
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    • DIAGNOSTIC STATION
    • Model: RI-FORMER
    • Manufacturer: Rudolf RIESTER GmbH - Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • Modular diagnostic station
          • Ri-former – optimal flexibility for hospitals and medical practices
          • The diagnostic station modules can be combined individually to suit the requirements and location
          • Thanks to its innovative design it is variably extendable to the right and the left
          • with its centralized electrical power supply, the ri-former® offers the reliability required for the hectic day-to-day atmosphere of hospitals and medical practices. This guarantees cost savings and eliminates the need for batteries and rechargeable batteries, which is good for the environment
        • Maintenance-free High-Performance LED technology - low running cost
          • Maintenance-free High-Performance LED technology - low running cost
          • LED’s aligned with optical systems in instrument heads - homogenous light distribution across the field of view without reflections or shadows
          • Designed for optimal heat dissipation - longer lifetime and brilliant illumination over the entire lifespan of the LED (100.000 hrs)
          • CRI > 90, colour temperature 4.000 K - excellent colour rendering close to natural daylight conditions for more efficient diagnosis
        • Các trạm khám tiêu chuẩn bao gồm:
          • Trạm khám Tai Fibre-optics L3, ánh sáng LED 3.5V
          • Trạm khám Mắt L3, ánh sáng Xenon 3.5V hoặc LED 3.5V
          • Trạm khám khúc xạ, ánh sáng Xenon 3.5V
          • Trạm khám Tai – Mắt L3, ánh sáng LED 3.5V
    • DIGITAL THERMOMETER
    • Model: Ri-gital
    • Manufacturer: Rudolf RIESTER GmbH - Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • Maximum thermometer
        • With 3-digit display, memory and signal tone
        • Unbreakable and water-tight
        • Measurement range: 32 – 43.9°C
        • ri-gital® Digital Thermometer
        • Accuracy: +/- 0.1°
        • Automatic switch-off after 10 min
        • Incl. long-life button cell batteries
        • In plastic storage box
    • INFRARED THERMOMETER
    • Model: Ri-thermo® N
    • Manufacturer: Rudolf RIESTER GmbH - Germany
    • Origin: China
    • Certificate ISO 13485
    • Product details: 
      •  Product specifications:
        • Is the new ergonomic infrared thermometer for uncomplicated use in medical practices, hospitals and in the home.
        • Its innovative infrared technology not only allows ri-thermo® N to measure the body temperature of children and adults easily in a matter of seconds but also means that it can measure the temperature of surfaces, rooms and bathwater
        • The temperature values are displayed in a range from 0 to 100 °C or on the corresponding scale in ° Fahrenheit.
        • Its large LCD display with backlighting makes the values easy to read
        • Displays up to 12 stored temperatures
        • The ri-thermo® N sounds a handy acoustic signal when it has finished measuring and if it detects a fever, has an energy-saving automatic switch-off function and comes with a hygienic storage container with probe covers
        • ri-thermo® N is of the usual high Riester quality, is clinically validated and is supplied with batteries.
        • ri-thermo® N in a plastic box with 25 probe covers.
        • Measuring accuracy:  ± 0.2°C, 32.0~42.2°C (± 0.4°F, 89.6~108.0°F)
    • 3-FACED STETHOSCOPE
    • Model: Tristar®
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • The high quality stethoscope tristar® with three different sized double chest-pieces for adults, children/babies and new-born children is outstandingly suitable for perfect auscultation in all frequency ranges. Considerably improved acoustic performance in all areas of application
        • Double chest-pieces for duplex®, duplex® baby and duplex® neonatal made of aluminium with practical rapid-exchange connector
        • Special membranes, Ø 48 mm (1.89 in), 36 mm (1.42 in), 28 mm (1.10 in), for first-class acoustics
        • Particularly flat and soft non-chill rims for improved adaptation on the skin
        • Bells Ø 36 mm (1.42 in), 28 mm (1.10 in), 24 mm (0.95 in)
        • Matt chromium-plated binaural with integrated reinforced double-spring.
        • Optimal sealing of the external auditory canal with soft, replaceable ear-tips with metal screw thread.
        • Particularly strong Y-tube made of PVC for optimal acoustics to shield against undesired stray sounds
        • Overall length: 79 cm (31.10 in), 78.5cm (30.91 in), 78cm (30.71 in)
        • tristar® is supplied with two pairs of replacement ear-tips, a replacement membrane each and a name plate.
    • STETHOSCOPE USED IN TEACHING
    • Model: Duplex® teaching
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        •  The duplex® Teaching Stethoscope with double chest-piece and two binaural has been developed especially for teaching purposes. It is excellently suited for auscultation by two individuals. Considerably improved acoustic performance.
        • Double-headed chest-piece made of stainless steel
        • Matt chromium plated binaural with integrated spring.
        • Special membrane, Ø 48 mm (1.89 in), with particularly flat and soft non-chill rims for improved adaptation on the skin.
        • Bell, Ø 36 mm (1.42 in)
        • Overall length: 115 cm (45.28 in)
        • duplex® Teaching Stethoscope is supplied with two pairs of replacement ear-tips and a replacement membrane.
    • NEONATAL STETHOSCOPE 
    • Model: Duplex neonatal
    • Manufacturer: Rudolf RIESTER GmbH
    • Origin: Germany
    • Certificate ISO 13485
    • Product details: 
      • Product specifications:
        • duplex® neonatal is a quality stethoscope with precision finished double chest-piece for new-born children and infants. With considerably improved acoustics
        • Particularly small precision chest-piece made of aluminium especially for new-born children and infants
        • Special membrane, Ø 28 mm (1.10 in) , with particularly flat and soft non-chill rims for improved adaptation on the skin
        • Bell, Ø 22 mm (0.87 in)
        • Overall length: 76 cm (30.12 in)
        • duplex® neonatal is supplied with a pair of replacement ear-tips and a replacement membrane
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