Welch Allyn 3.5 V Rechargleable Halogen HPX Diagnostic Set including Coaxial Ophthalmoscope

Welch Allyn 3.5 V Halogen HPX Diagnostic Set including

• Coaxial Ophthalmoscope (#11720)
• MacroView Otoscope with Throat Illuminator ( #23820)
• Rechargeable 60-Minute Power Handle(s) -- C-Cell Convertible
• Soft Storage Case
• C-Cell Battery Converter Accessory; Nickel-Cadmium (#72300) Battery; IEC Plug Type-A

23820 | MacroView™ Otoscope

• 30% greater magnification and twice the field of view of a conventional otoscope give a large, almost complete view of the tympanic membrane.
• Focusing wheel enabling you to zoom in or out on the area in view without the need to move the otoscope, compensating for both the practitioner's vision and variable length of the patient's ear canal.
• Better clarity and definition of landmarks than a conventional otoscope.
• The Halogen HPX™ lamp provides light output for true tissue colour and consistent, long-lasting performance.
• Fibre optics produce a ring of cool light with no reflections or obstructions for glare free viewing and easier examination.
• Specula ejector for hygeinic touch-free disposal of used speculae.
• Insufflation port for manipulation of the tympanic membrane.
• A sealed system for pneumatic otoscopy and accurate diagnosis of otitis media.
• Variable illumination strength via the handle rheostat dial.
• Throat illuminator provides light via a handy built-in penlight.

Halogen + Fibre Optics
360° ring of light allows a completely unobstructed view in true tissue colour.

Rheostat Control
Vary the power of illumination with the smooth turn of a dial.

Wide-angle Viewing Lens
With twice the field of view of a conventional otoscope.

Insufflation port
Attach an insufflation bulb to test the mobility of the tympanic membrane via pneumatic otoscopy.

Focus Wheel
Turn to smoothly focus without the need to move the device.

Specula Ejector
Twist the Tip Grip to fasten or eject specula.

Throat Illuminator
Two part head includes a built in penlight for direct illumination.

11720 | Coaxial Ophthalmoscope

• LED light for true tissue colour and consistent, long-lasting performance.
• The coaxial optics produce a shadow-free spotlight, easier entry into undilated pupils and a larger field of view compared to standard ophthalmoscopes.
• 6apertures:
  • Micro - allows quick entry into small, undilated pupils.
  • Small - provides excellent view of fundus through an undilated pupil.
  • Large - general examination of the eye through dilated pupil.
  • Fixation - graduated cross-hairs for measuring eccentric fixation or locating lesions.
  • Slit - used to determine levels of lesions and tumors.
  • Cobalt blue - used with flourescein dye to view small lesions, abrasions and foreign objects on the cornea.
• 2 filters can be used in conjunction with any of the above apertures:
  • Red-Free filter - filters out red light for easy identification of veins, arteries and nerve fibers.
  • Polarising filter - virtually eliminates corneal reflection.
• 28 focusing lenses with a range of -25 to +40 diopters, adjustable via easy-to-reach maywheel.
• Rubber brow-rest prevents scratching of eyeglasses.
• Variable illumination strength via the handle rheostat dial.

Rheostat Control
Vary the power of illumination with the smooth turn of a dial.

Aperture Selection Disc
Switch easily between 6 apertures via a disc on the head.

Six Apertures
A wide range of practical apertures to select from.

LENS Selection Disc
Focus on the fundus, cornea, iris and other ocular structures.

Two Filters
Red-free or polarising filter can be used in tandem with any aperture.