Hip Joint Head Replacements
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Hip Joint Head Replacements Hip Joint Head Replacements

All hip joint heads delivered by Messrs. BEZNOSKA Ltd. are round and provided with a self-chucking taper 12/14 (euro-taper) of variable depth that determines the final length of the endoprosthesis neck. Heads that are supposed to have a long neck have a conical extender that ensures a firm fixation of the head on the implant stem. The heads are made for hemiarthroplasty and total hip joint arthroplasty. The heads for hemiarthroplasty are metal and come in two options: Standard hemiarthroplasty heads are sized from 38 mm to 56 mm, graded by 2 mm (10 sizes). Biarticular heads are sized from...

■ Instrumentation Set During the surgery, the surgeon has to perform a preliminary trial articulation (on a rasp) and a final trial articulation of the implant (on a femoral stem). For these trial fittings, the set of instruments contains two plastic trial heads in two options each - one set of heads for the rasp and one set for the definitive stem. These plastic trial heads (see Fig. 1) are always considered as an integral part of regular instrumentation set delivered for implantation of a concrete type of femoral stem. The plastic trial heads for the ceramic heads are delivered in a...

Hemiarthroplasty Head The head is made of corrosion-proof (stainless) steel as per ISO 5832-1, successfully time-tested by leading global manufacturers. The head surface is polished to mirror-like gloss. Biarticular Head The head cover and the inner metal head are made of corrosion-proof steel as per ISO 5832-1 and as per ISO 5832-9, successfully time-tested by leading global manufacturers. The external surfaces of both elements are polished, especially the inner metal head that is polished to mirror-like gloss. The head liner is made of UHMWPE as per ISO 5834-2.

Hemiarthroplasty Head The head is made of corrosion-proof (stainless) steel as per ISO 5832-1, successfully time-tested by leading global manufacturers. The head surface is polished to mirror-like gloss. Biarticular Head The head cover and the inner metal head are made of corrosion-proof steel as per ISO 5832-1 and as per ISO 5832-9, successfully time-tested by leading global manufacturers. The external surfaces of both elements are polished, especially the inner metal head that is polished to mirror-like gloss. The head liner is made of UHMWPE as per ISO 5834-2. Hlavice kobaltova CoCrMo

Ceramic Head - BIOLOX®delta BIOLOX®delta is extremely pure ceramic material on the basis of aluminum oxide as per ISO 6474.The product is bioinert, biocompatible, abrasion-resistant, and non-allergenic. A clinically-tested advantage of BIOLOX®delta heads is a low polyethylene wear compared to metal heads, in combination with UHMWPE cup or cup liner. Ceramic head

■ Combination of heads with other BEZNOSKA implants Cemented cup Cemented cup Non-cemented Non-cemented cup Reconstruction Oval revision cup type Poldi type 02 cup type SF type DUO, insert acetabular cage type TC Ceramic Head Hemiarthroplasty Head Biarticular Head

BEZNOSKA, s.r.o. Delnicka 2727, 272 01 Kladno, Czech Republic www.beznoska.com, mailbox@beznoska.cz