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What is Ultrasound?
Ultrasound is a form of acoustic, or sound, energy and the
name used to describe mechanical pressure sound waves that are acting at such a
high frequency that they cannot be detected by human ears.
How are the Ultrasound Waves Generated?
Ultrasound waves are produced when an alternating electrical current is impressed on a piezoelectric ceramic crystal (located in the head or transducer of the ultrasound wand) which causes it to vibrate, producing mechanical waves identical to sound waves. As these sound waves travel through a required medium (ultrasound gel) they compress (called the condensation phase characterized by increased molecular density) and release (called the rarefaction phase characterized by decreased molecular density) the molecules of the medium and impart energy to the gel. The energy from the generated sound waves may produce thermal (heat) or mechanical (deformation or vibration of molecules) effects where they are absorbed in human tissue.
What is Ultrasound Therapy and What is it Used to Treat?
Ultrasound is a therapeutic modality used to treat musculoskeletal conditions. The high-frequency ultrasound waves are delivered to the body tissue in a well-collimated cylindrical beam that focuses the energy to targeted tissues. The physical principles of ultrasound – the acoustical vibrational/mechanical energy of the sound waves and the transmission and absorption of ultrasound energy (thermal-heat) in soft tissues – are used to:
Indications for Use of Therapeutic Ultrasound
Contraindications for Use of Therapeutic Ultrasound
What are the Characteristics of the Ultrasound Wave and How Does this Effect Treatment Settings?
Frequency: Defined as the number of oscillations a molecule undergoes during 1 second and is measured in hertz. 1 Hz = 1 cycle/second. Therapeutic ultrasound soundwaves can be delivered at different frequencies, which affects the depth of tissue penetration and therefore the targeted tissue that can be treated.
Mode: Ultrasound energy waves can be delivered in an uninterrupted flow (referred to as continuous) or at periodic intervals (referred to as pulsed).
Intensity: The strength or output power of the ultrasound wave is a measure of the quantity of energy produced by the ultrasound transducer (piezoelectric crystal) and is measured or expressed in watts per centimeter squared (w/cm2). A safe range of intensity for a moving ultrasound wand transducer/head is considered to be 0.5 to 3.0 W/cm2.
The effective radiating area (ERA) of a transducer is a measure of the actual cross-sectional area of the ultrasound beam as it exits the metal end plate of the ultrasound wand and is expressed in square centimeters (cm2). An ultrasound head/transducer of 1 cm2 would be used to treat a smaller area, while an ultrasound head/transducer of 5 cm2 would cover a larger area.
It should be noted that with most current ultrasound machines the total output is within regulatory standards.
Some General Guidelines for Administering Ultrasound Therapy
The Different Portable Ultrasound Machines Sold by ProhealthcareProducts.com.
SoundCare Plus Ultrasound (DQ9275) device is primarily a prescription recommended machine where a therapist recommends to their patient that they obtain the machine and then report to the clinic where the patient is shown by the therapist its proper use and the ultrasound parameters (total dosage) for their specific musculoskeletal condition.
Click HERE for the Soundcare Plus
Ultrasound device user manual
Current Solutions US 1000 (CS-DU1025) and the Current Solutions Pro 2000 (CS-DU3035) Ultrasound Machines. Both machines are powered by AC/DC adapter, have a 5 cm transducer head, operate at a frequency of 1 MHz only, and provide three easy to use preprogrammed settings – Low, Medium, and High – with duty cycles of 30%, 40%, and 50% respectively. Ultrasound gel is also included with each device. The differences between the US 1000 unit and the Pro 2000 unit are that the Pro 2000 unit is a newer model with these additional features:
A "pre-heat" feature so that the ultrasound head is warm vs cold when applied to the patient.
The wand is ergonomically designed for comfortable fit to the hand so there is less stress in holding it compared to the other unit's wand design.
The timer allows you to select 5-, 10-, and 15-minute treatment times with the push of a button, and the duty cycle buttons are set at 30%, 40% and 50% respectively.
Click HERE for the Current Solutions US 1000 ultrasound device user manual
Click HERE for the Current Solutions
Pro 2000 ultrasound device user manual
UltraTENS II Portable Ultrasound and TENS Combo Device
This combo device includes the therapeutic modalities of ultrasound and transcutaneous electrical nerve stimulation (TENS) for a two-fold attack against chronic pain. This device comes with an ergonomically designed 4 cm2 aluminum soundhead, features 1 MHz with 3 power levels for easy use, and 30 mA of TENS for deep therapeutic treatment, and ultrasound gel.
Click HERE for the UltraTENS II Portable Ultrasound and TENS Combo Device user manual
Ultrasound Gel Product Options
Ultrasound gel is applied to the body part that will receive the ultrasound. The gel is essential to transmit the sound waves from the ultrasound head or transducer to the body. ProhealthcareProducts.com offers a variety of ultrasound gel/lotion sizes from individual bottles to larger containers depending on your specific needs. They are:
In addition, ProhealthcareProducts.com sells ultrasound gel bottle warmers. They are:
If you want to learn more, please visit our website.
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