The revolutionary WelchAllyn DuraShock blood pressure gauges
The first aneroid sphygmomanometers designed for the way clinicians work. With an exclusive shock-resistant, gear-free design, WelchAllyn blood pressure gauges with DuraShock technology will stay in calibration longer, ensuring caregivers will maintain accurate readings over the life of the gauge with lower lifetime cost-for total peace of mind.
DuraShock technology has earned international recognition for medical design being the most major Innovation in Blood Pressure Technology in 100 Years of manual aneroid sphygmomanometers.
With DuraShock technology, WelchAllyn has revolutionized blood pressure design by creating gear-free technology that:
Traditional Gear-based Gauge Assembly
Traditional blood pressure gauges are built using a number of gears, pinions and other small pieces and parts. When a gauge is dropped or banged around during normal day-to-day use, these small parts are often rattled, and the gauge might need to be recalibrated or even replaced.
Gear-free design of gauges with DuraShock technology means fewer, smaller, and more robust parts, making the blood pressure gauge much more accurate when exposed to shock and vibration than a gauge with traditional gears.
Traditional Gear-based Design and Mechanics
Traditional gauges have geared movement made up of several moving parts. As air is inflated or deflated in a blood pressure cuff, the bellows expands and contracts, causing a pinion to move. This pinion starts the movement of a series of gears, which then allows the rotation of the pointer on the dial face. This 100-year-old design makes the pieces inside traditional gauges prone to movement, risking gauge calibration.
Sphygmomanometers with DuraShock technology rely on air to be inflated or deflated in order to move a diaphragm against the bottom of a pin. This pin is surrounded by a small spring. As the pin moves up and down, the spring twists as it expands and contracts with the up and down movement of the pin. This twisting movement of the spring causes the needle to move around the dial face with the up and down motion of the pin.
WelchAllyn Laser Engraving
All WelchAllyn aneroids are laser engraved for increased gauge accuracy. Each gauge with a laser engraved dial face starts with a blank face. The gauge is pressurized to various pressures as a vision system records the position of the needle at each pressure. These measurements are taken both upscale and downscale, and this information is stored and programmed into a laser that will then engrave the markings around the dial.
Why accuracy matters
Calibration Is Taken for Granted
How to take Accurate Blood Pressure Readings
Blood pressure measurements can be affected by the position of the patient and their physiologic condition. Before beginning a procedure, ensure that the patient rests for at least five minutes, has support for their back and feet, and does not cross their legs. Passively support the patient's lower arm and keep the upper arm at heart level. The procedure needs to take place in a quiet environment with no talking.
Often caught up in the busy day-to-day activities of today's frontline healthcare environment, healthcare providers don't always do routine calibration checks on their gauges-and the gauges' accuracy is subsequently taken for granted, resulting in potentially inaccurate diagnostic information. WelchAllyn recommends that all blood pressure gauges be checked for calibration every two years.
DuraShock Product Lines With gear-free DuraShock technology, you can count on WelchAllyn gauges to:
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