The product consists of expander, sleeve with supporting core, stripper, hook knife and spatula. The plastic part is made of acrylonitrile-butadiene-styrene copolymer (ABS) PA-747, and the metal part is made of 420J2 stainless steel.
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Used in PVP (percutaneous vertebroplasty), make a tunnel for bone cement injection or bone biopsy.
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