Name/Function of Each Part
Introduction
The Rossmax EB500 Sprague Rappaport Type Stethoscope has two-
sided chestpiece with twin-tube design efciency detects heart sounds.
The Rossmax EB500 uses 5 different sized chestpieces to take the place
of ve different stethoscopes actually and to provide Rossmax quality
acoustics for adult, children and infant.
This device is intended for medical diagnostic purposes only. It can be
used for listening to heart, lung and other body sounds as well as for
normal auscultation. With such a wide range of uses you will nd that
you are always reaching for your Sprague Rappaport Type Stethoscope
and will not need any other stethoscope.
Retaining Ring
Plastic diaphragm
Disk
Drum
Disk
Plastic
diaphragm
Retaining
Ring
The head clicks into position
with each 180º turn
Pediatric diaphragm
Adult diaphragm
Bell 1 1/4” Bell 3/4”Bell 1”
Sprague Rappaport Type Stethoscope
Model: EB500
EN
3. Do not use this device for diagnosis or treatment of any health
problem or disease.
4. Do not leave exposed to direct sunlight for prolonged period of
time.
5. Do not immerse the Rossmax EB500 Sprague in any liquid or subject
to steam sterilization.
6. Binaurals and tubing can be wiped down with alcohol or mild soapy
water.
Operating Instructions
1. Make sure the eartips are securely fastened onto the binaural.
2. Insert the binaural into your ears carefully.
3. Tap your finger on one of the diaphragms which is in the open
position gently. If you tap the diaphragm which is in the close posi-
tion, please rotate the head of the stethoscope 180o until it clicks
into position, then you can hear the tap strongly and clearly.
4. To replace a diaphragm or change to a bell, grasp the retaining
ring (with entire assembly) and turn it counter-clockwise to unscrew.
Then attach the diaphragm or the bell to the chest piece drum by
turning it clockwise until secure.
Issue Date: 2011/05/13
OBM_IB_EB500_ver1118
Rossmax Swiss GmbH
Tramstrasse 16
CH-9442 Berneck
Switzerland
Rossmax International Ltd.
12F., No. 189, Kang Chien
Rd., Taipei, 114, Taiwan
www.rossmaxhealth.com
1
6
2
3
4
8
9
10
11
5
7
12 13 14 15 16 17
Ref.
No.
Part Name
Qty
1
Chestpiece Drum Assembly
1
2 Retaining Ring, Ped. 1
3 Diaphragm, Ped. 1
4 Aluminium Disk, Ped. 1
5 Aluminium Disk, Adult 1
6 Diaphragm, Adult 1
7 Retaining Ring, Adult 1
8 Tubing, 22” (spec. color) 3
9 Tubing Clip 2
10 Binaural with Eartips 1
Ref.
No.
Part Name
Qty
11 Eartips, Black 2
12 Eartips, Black, Mushroom 2
13 Eartips, Clear, Soft 2
14 Bell, 1¼” 1
15 Bell, 1” 1
16 Bell, ¾” 1
17 Accessory Pouch 1
3 Diaphragm, Ped. (spare) 1
6 Diaphragm, Adult (spare) 1
Name/Function of Each Part
Features
Threaded chestpiece drum of chrome plated zinc permits the use of
ve interchangeable chestpiece ttings - an adult and pediatric dia-
phragm, and three bells (1 1/4 inches, 1 inches, 3/4 inches) - for com-
plete diagnostic capability in most patients.
Diaphragm
1. Adult diaphragm for ltering out lower frequencies and accent the
higher ranges in adults.
Adult Diaphragm
Activated
Pediatric Diaphragm
Activated
Chestpiece Selection
On the Rossmax EB500 Sprague, the entire chest-
piece rotates 180º to permit selecting one side.
Note:
Only one side is operable at one time.
To selection the operation side, hole the chestpiece
stem and rotate it until a click is felt and heard.
2. Pediatric diaphragm for detecting high pitched murmurs in infants
and children.
Bell
1. Adult size bell- for detecting low and medium pitched sounds and
murmurs in adult.
2. Medium size bell-for detecting low and medium pitched sounds and
murmurs in children.
3. Infant size bell- for detecting low and medium pitched sounds and
murmurs in infants.
• Convenient 22 inches tubing length.
• Latex-free, double tube conguration.
• Complete with an accessory pouch containing 3 bell chestpieces, 2
diaphragms, 2 pair of eartips and all in a vinyl storage case.
• Adjustable chrome-plated brass binaurals.
Replacing the Diaphragm
1. Remove the desired assemble by gripping the assembly rmly and
turning counter clockwise.
2. To loosen the diaphragm Retaining ring, remove worn diaphragm
and replace with new.
3. Reassemble disk, tighten by turning clockwise until tight.
4. Reassemble diaphragm Retaining ring back onto chestpiece drum
by turning clockwise until tight.
Cautionary Notes
1. Please avoid extreme heat, cold, solvent, or oil.
2. If sterilization is necessary, gas sterilize only.
