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After 13 years and thousands of miles and memories, it came time to say goodbye to my old car. As it has thousands of times before, it fired up instantly and drove like a dream. I'm gonna miss this car.
Patterdale and Cockermouth MRT winter training, Northern Corries, Cairngorms.
A robotic servant of the Black Cup Lord whose head detaches to form a flying recon probe. The chainsaw arm wreaks havoc in close quarters.
This 81/81 Exhibit presents 81 large format photos, for 81 years of the Camera Club of the Philippines's existence!
81 years of continuous, non-stop, un-broken existing presence. The longest in the Philippines that we know of.
These are the behind-the-scenes photos of CCP's probees at work! One of our proudest moments! 8-)
Read all about him in Figure of the Day: figureoftheday.blogspot.com/2008/12/figure-of-day-day-909...
Linear Vs Convex Ultrasound Probe
Introduction
Ultrasound is a medical imaging technique that uses high-frequency sound waves to visualize internal structures of the body. Ultrasound examination or scanning performed by a trained technologist or doctor is called diagnostic ultrasound. In order to perform diagnostic ultrasound properly, you will need an appropriate probe or transducer which generates and receives ultrasonic waves. Different types of probes are used depending on the region being examined and patient's condition (elderly patients may require less aggressive images).
Overview
Ultrasound probes are devices that help determine the position of certain organs in the body. They are used in diagnostic imaging procedures and can help doctors identify various problems, such as cancerous tumours or defects in bone growth.
There are two main types of ultrasound probes: linear ultrasound probes and convex ultrasound probes. While both devices use sound waves to detect abnormalities within the body, they work differently from one another.
Definition
A linear ultrasound probe is a device used in the medical field to visualize the internal structures of the body. A linear probe is typically used for imaging linear structures, such as blood vessels and bowel walls. The probe is held straight out from the operator's hand and moved over the area being examined.
A convex ultrasound probe, also commonly known as a curved transducer, is an instrument that uses sound waves to create images of internal organs and other body parts on a monitor screen. Convex probes are often used during prenatal exams to examine babies in utero or after birth to look at their anatomy; they may also be used when performing ultrasounds on other parts of the body (e.g., joints). In clinical settings where it's important for doctors and surgeons working together during surgery -- such as brain surgery -- convex probes are often preferred since they offer better visualization than flat ones do under certain circumstances."
Key difference
A linear probe is more flexible and can be used in a variety of positions. The smaller footprint allows you to use this probe on smaller patients.
On the other hand, convex probes are also known as “concave” probes because they curve inward slightly when viewed from above or below. They have a larger footprint than linear probes and are used for specific purposes such as screening mammography and breast imaging.
Conclusion
In conclusion, a convex probe is the best choice for imaging because it provides better resolution and coverage. However, if you're looking for better penetration, a linear probe is your best bet.
Convex probes are more expensive but they're also more durable than their linear counterparts. If you can afford one, then go ahead and get a convex ultrasound probe—your patients will thank you later!
PREV: Application and Development of Handheld Ultrasound in Medical Health Field
NEXT: Handheld Wireless B Ultrasound: the Gorgeous Transformation from Pain Point to Bright Spot
The probe that was used to probe President Lincolns would and the sleeve cuff stained with President Lincoln's Blood are on display at the National Museum of Health and Medicine
Patterdale and Cockermouth MRT winter training, Northern Corries, Cairngorms.
Scan from Spitz and Fisher's Medicolegal Investigation of Death: Guidelines for the Application of Pathology to Crime Investigation
I rediscovered Probe records today! As a youngster in the 80's I used to love browsing through the racks of vinyl in the old Probe Records shop in Mathew Street. Marvellous to find it open again relocated by the Bluecoat. And on my birthday too!!!
From an old Fate magazine. On my sick day today I'm having way too much fun looking at old magazines.
1. Understanding sonography probe
The sonography probe is a key component for the ultrasound system. The most fundamental job of the ultrasonic probe is to realize the mutual conversion between electric energy and sound energy, that is, it can convert electric energy into sound energy and sound energy into electric energy. The key element to complete this series of conversions is the piezoelectric crystal. The same crystal is precisely cut into units and arranged in a geometric array in an orderly manner. A sonography probe may consist of as few as dozens of elements, or as many as thousands of array elements. Each array element is composed of 1 to 3 units.
The outermost layer of the sonography probe has a strange name called lens. Although it is not glass, for the ultrasound beam, this layer is equivalent to a glass lens, whose role is to assist the focus of the ultrasound beam. The array element and the lens layer are tightly glued and pressed together, and there must be no dust, impurities, or air.
2. Daily maintenance of sonography probe
In daily use, we try to develop a good habit of caring for the sonography probe, which can make the life of the sonography probe longer, more effective, and less malfunctioning. So, what aspects should we pay attention to daily?
Handle the sonography probe gently, and don't bump it;
Freeze the sonography probe when it is not in use. The main engine drops the excitation high voltage to the array element, the crystal unit no longer oscillates, and the sonography probe stops working, which can delay the aging of the crystal unit and prolong the life of the probe;
Freeze the probe before replacing it, and lock the probe gently;
Do not leave the coupling agent, when not using the sonography probe, just wipe off the coupling agent on it;
Prevent leakage from corroding array elements and welding points;
Be careful when disinfecting. Chemical agents such as disinfectants and cleaning agents will cause the lens and wire rubber sheath to age and become brittle. When immersing and disinfecting, avoid contact between the probe socket and the disinfectant.
www.storkultrasonic.com/routine-maintenance-of-sonography...
A Scaptia guttata, horse or March-fly looking for a feed in Girraween NP. Very common in summer, I have never actually been bitten by these. Horse-flies often have preferences for feeding sites, these seem to go very low down around the lower leg and ankle before settling. The largest tabanid around here; around 25mm wing length.