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manufacture manufacturer maker producer Stethoscope.com
has worked hard to find the best products in this critical category. A cheap
blood pressure unit yields marginal results. The models listed here are
the best of the best. Priced for every budget be sure to invest in a high
quality unit when you buy one. Be sure to click on the manufactures links
on the left to see more available units.
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the product Tycos Family Practice Blood Pressure Kit 100% Latex free, Tycos
offers the family practice kit to accommodate the full range of patients
from pediatric to larger adult arm sizes. The kit features the Tycos classic
hand aneroid and three cuffs (Large Adult, Adult, Pediatric) and zippered
storage case. The gauge features a twist air valve for one hand operation.
The one-piece cuffs are made from extremely durable washable materials.
A phosphor bronze bellows insures accurate inflation. The gauge carries
a Lifetime warranty. The pocket aneroid offers the quality and accuracy
in a very affordable system. Traditional pocket style gauge clips onto the
cuff for convenience. The cuffs are made of the same durable material as
more expensive models. The gauge carries a 5 year warranty. This item is
available with different cuff sizes click below and chose the one best for
you. The Baumanometer® Desk Model features a large bore, Mylar®
Clad glass cartridge tube, our Calibrated® V-Lok® Inflation System
and a diecast aluminum alloy case. It is a precisely calibrated clinical
sphygmomanometer, designed for medical practitioners who require a strong,
lightweight, portable instrument that offers scientific accuracy and years
of trouble-free service. The case is made of lightweight aluminum alloy.
The instrument color is Neutral Gray textured baked enamel. The aluminum
scale has large white epoxy numerals on a black anodized background. This
model is the one you are most likely to find in an exam room. Model "33"
is the standard for mercury blood pressure recording devices. Simple in
design, the Baumanometer® Wall Unit 33 is convenient to use, functions
on the immutable law of gravity and is guaranteed to remain scientifically
accurate. It is a 300 mm Hg swivel-type instrument for wall mounting which
includes a Calibrated® V-Lok® Inflation System, Wall Basket and
8 feet of Extendex® Tubing. The standard color is Neutral White textured
baked enamel. The standard cuff color is Medium Blue. The Wall Aneroid from
W.A. Baum is built to agree with master instruments, which are traceable
to the United States National institute of Standards and Technology. It
complies with ANSI / AAMI SP-9 for accuracy and performance (1% full scale
± 3 mm Hg). Its unique high contrast scale and red pointer increase
visibility and reduce parallax error. The manometer is manufactured with
a metal mounting bracket, high impact ABS plastic manometer housing, precision
low-friction movement and twin pre-seasoned phosphor-bronze diaphragm capsules.
Model 0970 Includes 8 ft of Extendex® tubing, large storage basket and
three complete Calibrated® V-Lok® Inflation System Cuffs (Adult,
Child and Large Arm) packed in one carton. The Baumanometer® Desk Model
features a large bore, Mylar® Clad glass cartridge tube, our Calibrated®
V-Lok® Inflation System and a diecast aluminum alloy case. It is a precisely
calibrated clinical sphygmomanometer, designed for medical practitioners
who require a strong, lightweight, portable instrument that offers scientific
accuracy and years of trouble-free service. The case is made of lightweight
aluminum alloy. The instrument color is Neutral Gray textured baked enamel.
The aluminum scale has large white epoxy numerals on a black anodized background.
Outstanding acoustics and exceptional versatility characterize the Littmann
Cardiology III Stethoscope. The innovative design offers a patented tunable
diaphragm on each side of the adult and pediatric sided chestpiece. The
pediatric side of the bell converts to a traditional bell by simply replacing
the diaphragm with the non-chill bell sleeve included with each stethoscope
Just Released! The new Cardiology S.T.C. Stethoscope from 3M Littmann. The
precision of the Littmann Cardiology S.T.C. Stethoscope begins with innovative
design technology. Outstanding acoustics are combined with a unique and
easy to grasp "Soft Touch" chest piece that allows easy movement
between auscultation sites. Littmann Master Cardiology Stethoscope A patented
tunable diaphragm and superb craftsmanship offer the ultimate performance
in a superior single -sided stethoscope. The Littmann Master Cardiology
Stethoscope meets the exacting standards of health care professionals who
demand the highest acoustic response. Littmann Master Cardiology Stethoscope
A patented tunable diaphragm and superb craftsmanship offer the ultimate
performance in a superior single -sided stethoscope. The Littmann Master
Cardiology Stethoscope meets the exacting standards of health care professionals
who demand the highest acoustic response. The wait is over! Now in stock
for immediate shipment the new Littmann® Model 4000 electronic stethoscope.
This is the one with all the features. An on board LCD screen displays heart
rate and mode. Three separate listening ranges for all the sounds Bell (20-200Hz),
Diaphragm (100-500 Hz) and Extended Range (20-1000Hz). The stethoscope can
record and store 6 separate sounds and playback at normal or ½ speed
to aid in diagnosis. Recorded sound files can also be sent to any other
model 4000's or a Windows equipped PC. No expensive software to mess with
just hit send and the sound file arrives through the IR port on any PC.
Be sure to click the enlarged picture for close up details. Triple-head
features three easily rotated chest pieces (bell, corrugated diaphragm,
flat diaphragm). Clearly detects full range of important sounds from low
frequency gallops to the faint high frequency blow of aortic insufficiency.
The sound detection capability of three chest pieces allow for the most
complete auscultatory examinationLittmann Master Cardiology Black Edition*
Features a black plated chestpiece and binaural. A very stunning appearance.
The technical features inlude A patented tunable diaphragm and superb craftsmanship
that offer the ultimate performance in a superior single -sided stethoscope.
The Littmann Master Cardiology Stethoscope meets the exacting standards
of health care professionals who demand the highest acoustic responseThe
Double-head combines brass bell and flat diaphragm chest pieces to detect
a wide frequency range of sounds. Bell is designed to fit into smaller areas
to easily detect faint, low frequency sounds and murmurs. Diaphragm transmits
higher frequency heart and lung sounds. Designed by eminent cardiologist
Dr. W. Proctor Harvey, these time-tested stethoscopes have become world
renowned for quality and sensitivity. The Tycos Harvey Elite stethoscope
features a unique, dual-bore, one-piece latex tube that provides two uninterrupted
sound channels. Combined with the proper weight and acoustic properties
of solid brass chest pieces, these channels transmit an extensive spectrum
of body sounds. Chrome-plated brass binaurals and chest pieces eliminate
extraneous sound. The excellent acoustic sensitivity of a patented tunable
diaphragm is the hallmark of the low profile Littmann Master Classic II
stethoscope. Award winning design combines high performance with portable
convenience in this single sided chestpieceLittmann Master Classic Black
Edition* Features a black plated chestpiece and binaural. A very stunning
appearance. The excellent acoustic sensitivity o 2047U/C - ULTRASONIC/CONTACT
STETHOSCOPEThe 2047U/C combines the features of the 4020 standard stethoscope
- with those of an ultrasonic (sounds higher in frequency than the ear can
hear) detector. Many watches and clocks generate a considerable amount of
ultrasonic energy which will travel a great distance if unobstructed. If
the watch or clock can be "seen" by the ultrasonic probe, detection
ranges on the order of 1 to 20 feet are not uncommon. The ultrasonic probe
is highly directional so it tunes out background noise. The system consists
of an amplifier/detector assembly (measures 1x3x5 inches), contact probe,
ultrasonic probe, and headset, carrying case. The amplifier/detector is
powered by a single 9-volt battery.A 20-foot contact probe extension cable,
20-foot ultrasonic probe extension cable, recorder cable and other accessories
are also available by special request.The 2047 is a pocket sized high gain,
low noise amplifier which combines a standard electronic stethoscope with
those of an ultrasonic detector. The ultrasonic probe is highly directional
and tunes out background noise.The 2047U/C also does an excellent job locating
video cameras, hidden tape recorders, and video tape recorders.Executive
protection agents and bodyguards frequently use the 2047U/C to detect hidden
tape recorders, video recorders, cam-corders, and other cameras. This is
accomplished by concealing the ultrasonic probe in the sleeve and covertly
sweeping a suspect item or person to determine covert eavesdropping devices.
The contact probe is then used to further explore potential threats. The
2047U/C is commonly used along with a 2060LV RF detector.The 2047U/C is
designed to detect conducted surface vibrations in the audible range as
well as airborne sounds in the ultrasonic (above normal hearing) range of
35 to 45 kilohertz (KHz). The unit is supplied with amplifier/detector assembly,
contact transducer/ probe (SILVER), ultrasonic transducer (BLUE), special
2,000 ohm headset and carrying case. The unit is designed specifically to
be used with the high impedance headset supplied and not low impedance (8-32
ohm) headsets.TO OPERATE AS A STANDARD STETHOSCOPE: Insert the contact probe
(SILVER) into the CONTACT PROBE jack. NOTE: There are three (3) jacks of
the same physical type on the unit, be careful not to confuse one with the
other. Place the YELLOW switch in the CONTACT-DOWN position. Insert the
headset into the HEADSET jack. The headset is worn with the gray tube under
the chin with the sound output holes facing slightly forward (30 degrees).
Place the probe on the desired surface and adjust the VOLUME accordingly.TO
OPERATE AS ULTRASONIC STETHOSCOPE: Screw the ultrasonic probe (BLUE) onto
the ULTRASONIC PROBE connector. Make sure the connection is firm but not
over-tightened. Place the YELLOW switch in the ULTRASONIC-UP position. Point
the open end of the probe at a mechanical clock or watch (source of ultrasonic
sound) and adjust the VOLUME. Bear in wind that ultrasonic energy will travel
considerable distances if unobstructed. A single sheet of paper, for example,
will effectively block ultrasonic energy from reaching the probe. The ultrasonic
probe can be tested by having someone tear a sheet of paper 20 to 30 feet
from the probe. The sound should be heard clearly.The unit has a RECORDER
output jack which provides line level audio into 10,000 ohms. This jack
is run to the AUX (AUXILIARY) input on a tape recorder.The 2047U/C is powered
by a single standard 9 volt battery (Alkaline always preferred) which will
provide an approximate total of 70 hours ON time. To replace the battery,
loosen the two silver screws on the sides of the unit one or two turns.
Carefully lift off the back cover, remove the old battery (noting its position),
replace it with a fresh battery and replace the back cover. Be careful not
to pinch the battery connector leads with the back cover. Tighten the two
screws but don't over-tighten. Remove the battery during prolonged periods
of storage. As with any piece of sophisticated electronic equipment, do
not store the 2047U/C in extreme heat or humidity.NOTE: Television sets
generate frequencies which fall into the detection range of the ultrasonic
probe, therefore, do not operate the 2047U/C within 100 feet or an operating
TV set, monitor, or computer display.
A Beginner's Guide to Using a Stethoscope --------------------------------------------------------------------------------This
exercise is intended to teach students how a doctor uses a Stethoscope to
diagnose disease. Learning to use a stethoscope takes considerable experience.
If anything "abnormal" is heard during this exercise, this should
not be taken as a sign of illness. Only a trained doctor can make that determination.
Functional stethoscopes can be purchased from medical or nursing supply
stores for as little as $10. More expensive models are not necessary for
teaching purposes.Stuff needed for this exercise:
A stethoscope
Balloons
1/2" x 6" diameter plastic tube
New disposable sponges
Water
What is the Stethoscope For?
Stethoscopes are used to hear sounds generated from within the body. They
are used to listen to the heart, lungs and intestinal tract. They are also
used for measuring blood pressure.Basic Terminology
Bell
The bell of the stethoscope is the cup shaped part at the end of the tubing,
usually opposite to the diaphragm. Not all stethoscopes have a bell. The
bell is used to listen to low pitch sounds.
Diaphragm
The diaphragm of the stethoscope is the flat part at the end of the tubing,
with the thin plastic "drum-like" covering. The diaphragm is used
to listen to high pitch sounds. Some stethoscopes have a diaphragm but no
bell.
Tubing
The stethoscope tubing transmits sound from the bell or diaphragm to the
earpieces. Some stethoscopes have single tubes, some have double tubes.
Double tubes are more sensitive, but may rub against one another causing
"squeaks" to be heard.
Earpieces
Earpieces fit into the ears. They should angle slightly forward for the
best fit. Earpieces made of soft rubber are more comfortable and may prevent
outside sounds from interfering with your listening.
What Do You Listen For?
Heart
The heart is located on the left side of the chest, between the 4th and
6th ribs, almost directly under the breast. Use the stethoscope to listen
to your heart. Move it around and notice if it sounds any different in different
places. Compare the sounds heard using the bell versus the diaphragm.Normal
heart sounds are "lub-dub". Each "lub-dub" represents
one contraction of the heart. The noises are made when the valves snap shut.
"Lub" is the closing of the atrioventricular valves; "dub"
is the closing of the pulmonic and aortic valves (look 'em up in an anatomy
book!)Some people may have other heart sounds as well. If a quiet "whoosh"
is heard after the "lub-dub", this is called a "murmur".
Murmurs are the sounds of the blood itself moving through the heart. It
makes noise when the blood flow has turbulence. This can be because a valve
doesn't open or close all the way. Many people have heart murmurs without
it affecting them at all. If someone in the class has a murmur, ask if you
can listen and compare to your own heart's sounds.Lungs and Airways
Listen to your lungs by placing the stethoscope over your chest and breathing
in and out deeply and slowly. Move the stethoscope around and compare the
noises heard in different areas. Compare the sounds heard using the bell
versus the diaphragm. Normal lung sounds should not have any crackles or
wheezes in them. Place the stethoscope over your throat and listen to the
sounds your trachea makes.Percussion may be performed on the chest as well.
Instead of listening for sounds made by the body, you are listening for
sound reflected by sounds you make. For this exercise you need a partner.
Place the stethoscope on your partners chest and lightly "thump"
a finger against their chest all around the stethoscope. Normal sounding
lungs sound slightly "hollow" because they have air in them. Compare
this to holding the stethoscope over something solid like a shoulder blade.
This sounds "dead". If a lung sounds dead on percussion, it can
indicate that the lung has solidified, usually because of pneumonia. Abnormal
lung sounds include crackles and wheezes. If the lung rubs on the chest
wall there may be friction rubs. Crackles sound just like the word sounds.
They indicate that there is fluid in the lungs, such as happens with pneumonia
or pulmonary edema. Wheezes are high pitched whistling noises, and are heard
with some pneumonias and with airway diseases like bronchitis. Friction
rubs are squeaky sounds that can be heard with pleuritis (an infection between
the lung and the chest wall). To mimic these sounds, create a model of the
lung. Take a balloon and stretch the open end over one end of the tube.
Take a sponge and shred it into small pieces. Push the pieces through the
tube into the balloon, until the balloon is slightly stretched. Add enough
water to moisten the sponge. Squeeze out any excess. Now hold the stethoscope
to the balloon and blow in and out on one end of the tube to slightly inflate
the balloon. The slight crackly noise you hear is similar to the crackles
heard in patients with pneumonia. Wheezes can be simulated by pinching on
the neck of the balloon, where it meets the tubing while blowing in and
out. Friction rubs can be created by rubbing on the side of the balloon
to make it squeak. Abdomen
The abdomen can be listened to much like the chest. Holding the stethoscope
over the upper left part of the abdomen, just under the ribs, you can hear
the stomach gurgling. In the lower part of the abdomen you can hear the
intestines. These noises are called "borborygmus". Borborygmus
is normal. However, a doctor will listen to these noises and compare them
with what is "normal" to decide if your intestinal tract is overactive
or underactive. Percussion can also be used to listen to the abdomen. Thumping
over the upper right of the abdomen should sound "dead" as a solid
organ, the liver, is below it. The stomach or lower abdomen may sound hollow
if there is gas in the intestinal tract. Using a stethoscope is an age-old
art in medicine and is a very useful, non-invasive diagnostic tool to help
localize problems. This is important to allow the doctor to determine what
further tests are needed to diagnose disease.
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