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price and convenience of ordering.
Here are some tips to consider when purchasing protective apparel for your staff. 1. Minimum standards for apron thickness is .25 mm lead equivalent (National Council of Radiation Protection Manual #36 pg. 15) but the industry standard is .50 mm lead equivalent. Get .50 mm lead equivalent and be safe. 2. Current technology uses the lightest weight leaded vinyl to achieve the desired protection level. The degree of flexibility of the vinyl product varies with the manufacturing process. Get the light weight flexible kind. 3. Believe it or not, tin aprons are available. Tin is a better absorber of radiation in the diagnostic energy range than lead! This fact has been known for years but it has been difficult for manufacturers to create a durable yet flexible tin apron that lasts. Tin aprons are 30% lighter than a comparable lead vinyl apron. In the past decade, tin aprons made of tin titanium nitrate have been used and they stand up well to the daily grind. Many of the human cardiac cath labs in the metropolitan area have these super light weight aprons. They are super light weight but they also are super expensive! 4. Coverings for aprons are made of vinyl or nylon and come in various weaves and colors. You can even order patterns or have monograms to spice up the old x-ray room. Don't be fooled, some of these covering products seem thin and shear but are quite durable holding up to even the toughest toenail. Those with texture may not be as strong as they seem. 5. Aprons come in numerous sizes. Buy the size that fits the majority of your personnel. If the apron you want comes in only one size - then it's probably a big brownie clone - don't buy it. Sizes come in male and female designations. A "female - medium" for example is 2" shorter cut than a "male medium" apron size. This means lighter weight also. If you are buying more than one apron, you might want to consider two different sizes. Spend some time looking into this one. 6. Apron styles also vary, and people have different preferences here. Vari-weight aprons evenly distribute the weight of the apron over the shoulders, back and front. They have good fit and stay put when you bend over. Velcro straps, plastic buckles and cloth ties are methods of fastening aprons. The cloth ties are the least snug. Some people like the Velcro straps for ease of use and best fit. Be sure that you get the kind with "shoulder slots". These are easy to put on and take off. Some Velcro aprons come as a quick surgical drop off type designed to be removed from under a surgical gown. These are great for that purpose but are not useful as routine aprons. I have had good experience with Velcro fasteners for aprons over the years, but some people don't likeVelcro because it can wear thin with time and thus be difficult to fasten. The plastic 2 inch buckle type fastener is also easy to use and durable. They don't fit as well as the wrap around Velcro straps but I have used these also and have had good experience with them. The cloth tie straps provide the least snug fit. 7. Thyroid shields normally come in .5 mm lead equivalent material but they can also be purchased at .375 mm lead equivalent thickness. It's nice to have the thyroid shield fixed to the apron but some people find that too cumbersome and would rather have it not attached. Thyroid shields affixed to the apron are conven (Continued on page 7)
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