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Welch Allyn MicroTymp User Manual

Welch Allyn MicroTymp
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Welch
Allyn
MicroTymd
and
Printer/Charger
Operating
Instructions
WA
Welch
Allyn
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Welch Allyn MicroTymp Specifications

General IconGeneral
Measurement MethodInfrared
Battery LifeApproximately 1000 measurements
TypeTympanic (ear) thermometer
DisplayLCD
MeasurementBody temperature
MemoryLast reading memory
Battery Type2 AAA batteries

Summary

Introduction to Tympanometry

MicroTymp Device Overview

MicroTymp Operation

MicroTymp Display Symbols

Printer/Charger Device Overview

Printer/Charger Operation

Quick Check Procedure

Paper Replacement Guide

Wall Mounting Instructions

Recharging Methods

Charging Transformer

Details on recharging using Welch Allyn charging transformers.

Audioscope Charging Stand

Instructions for using the Model 71123 Audioscope Charging Stand.

Printer/Charger Recharging

Instructions for recharging the MicroTymp using the Printer/Charger.

Battery Replacement

Interpreting Tympanometry Results

Normal Tympanogram

Indicates normally functioning middle ear system.

Low Static Admittance

Low peak height indicates possibility of middle ear pathologies.

Gradient Too Wide

Wide gradient indicates possibility of middle ear effusion.

High Static Admittance

High peak height indicates possibility of tympanic membrane abnormalities.

Volume Too Large

Large ear canal volume suggests perforation or patent tube.

Negative Tympanometric Peak Pressure

Indicates eustachian tube dysfunction.

Low-Admittance Pathologies

Conditions like OME, tumors, or fixation causing low admittance.

Otitis Media with Effusion (OME)

Characteristics of OME: low admittance, wide gradient, negative peak.

Middle Ear Tumor

Neoplastic processes affecting the middle ear, often flat tympanogram.

Ossicular Fixation

Fixation of ossicles due to tympanosclerosis or otosclerosis.

Ear Canal Occlusion

Blockage preventing pressure change, resulting in flat tympanogram.

Tympanic Membrane Perforation or Patent Tympanostomy Tube

Flat tympanogram due to pressure escaping.

High Admittance Pathologies

Abnormalities like tympanic membrane issues or ossicular disruption.

Tympanic Membrane Abnormalities

Thinning or absence of lamina propria causes high admittance.

Ossicular Disruption

Disruption of ossicles leads to higher admittance.

Screening Guidelines for Medical Referral

Recent Ear Pain/Discharge

History of ear pain or discharge warrants immediate medical referral.

Visual Inspection of the Ear

Inspection for structural defects or abnormalities requiring referral.

Audiometric Screening

Tests hearing levels to detect middle ear disease or hearing loss.

Peak (Ya) Too Low

Low static admittance requires retest and possible referral.

Volume (+ 200 Vea) Too Large

Large volume suggests perforation/patent tube, warrants referral.

Gradient (Width) Too Wide

Abnormal gradient requires retest and possible referral.

Replacement Parts List

Charging Transformer Specifications

Cleaning and Sterilization Procedures

MicroTymp Cleaning

Instructions for cleaning the MicroTymp probe and tips.

Printer/Charger Cleaning

Instructions for cleaning the Printer/Charger unit.

Charging Transformers Cleaning

Notes on cleaning charging transformers.

Probe Tip Handling

Repair and Servicing

Recalibration Guidelines

Glossary of Terms

How the MicroTymp Works

Technical Specifications

Printer/Charger Specifications

Standards Compliance

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