Wooden Prader Orchidometer, Prader Balls, Endocrine Rosary for Measuring Testis Scale in Clinic/Hospital, Best Gift for Endocrinologist and Pediatrician

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Medarchitect Wooden Prader Orchidometer | 12 numbered, color-coded beads; beech construction; sliding string and protective storage pouch This is a wooden Prader orchidometer used as a medical teaching and measurement aid. It consists of 12 smooth beechwood beads in progressively larger sizes, each with a clearly printed number and colour coding for quick identification. The beads come threaded on a cord and the set includes a fabric storage pouch for protection during transport or storage between uses. The bead sizes seem appropriate and the printed numbers are easy to read. The colour coding makes it easy to find the correct section at a glance instead of having to read every bead individually. Having a physical model is a much more effective tool for learning than looking at diagrams or photos, especially when teaching. The wood has a very smooth finish with no splinters or rough spots, and it's easy enough to wipe clean. the included pouch is a nice addition that should help keep everything protected between lessons or while travelling. The only thing that stands out is the cord. It doesn't feel as durable as a wire would, although for the intended use I don't think it's likely to be a problem. The beads slide well and the cord seems appropriately durable for a teaching tool, but I do think a wire would inspire a little more confidence over the long term. Overall, this is a well-made teaching aid that is effective, easy to use and nicely finished. The smooth wood, clear numbering and colour coding make it practical in real use, and the storage pouch is a worthwhile inclusion. At $24 this is a good value for the money.

The Medarchitect Wooden Prader Orchidometer arrived in a 5-7/8" x 4-1/2" black fabric bag with a drawstring closure. Both were in a sturdy white cardboard box. The wood beads are oval shaped and very light. They are threaded on a woven red cord fastened with a simple knot. Each has a black number printed in black ink, but the numbers are not consecutive after the first six and jump by 2 or 5 as the beads get larger. As a woodworker, I was interested in the craftmanship, which is very good. The individual oval beads are symmetrical and sanded smooth, with a nice painted surface. As a medical device, I have a new urologist that I plan on gifting them to.

I've been a nurse for most of my adult life and I've seen (and used) more training models like this than I can even remember. This is an orchidometer, a tool to estimate the size of testes; "orchid" in a medical context means "teste" and the flower is named that way because that's what its seed resembles. Because nurses and medical folks can be crass and have a dark sense of humor, you may see this called "Prader's balls" or the "endocrine (or a more colorful word) roasary." The device is built well and feels sturdy in the hand. It comes with a nice little drawstring pouch, but no other accessories; no instructions are included because it's fairly self-explanatory and if you're at the point of buying one of these you should already be fairly familiar with its use. This is basically identical to other similar orchidometers I've seen and used before. The price might seem a bit steep considering what it is, but many devices like this are, and it's on par with similar items and it should last your entire career.