The leading end of the thread can provide an abrupt transition to full thread depth that helps reduce or eliminate cross-threading.
The depth of the groove (13) reaches the middle of the external thread (16) or runs rearwards through the external thread (16).
In one aspect, the bone screw has first and second thread grooves with one of the thread grooves having a greater depth than the other.
A bone screw is disclosed which has increased pull-out resistance by offering an increased thread depth while optimizing thread pitch.
A thread to which the thread connects is a left-handed thread.
R1.0 selects constant depth on successive threading passes.
R1.0 selects constant depth on successive threading passes.
A small cannulated bone screw (10) is provided having an optimized combination of strength, cannula size and thread depth.
external thread of a parallel screw thread
The screw thread (1) is a tapered screw thread, the screw thread (2) is a straight screw thread, and the tail portion (4) is a prismatic structure.
The threads of the ring mate with the threads on the manifold.
If your thread depth is below 4mm, you should change immediately.
The depth of the channels is sufficiently greater than the thread grooves to allow for the passage of fluid.
The implantation depth controlling element can comprise an inner and an outer cylinder (118, 120), such as where the outer cylinder has interior threads, and the inner cylinder has exterior threads.
The present invention relates to a threading tool, a threading insert, and a method of forming a thread.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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