Orthopedics

Download Biomechanics and Biomaterials in Orthopedics by Dominique G. Poitout, Rainer Kotz PDF

By Dominique G. Poitout, Rainer Kotz

With the consistent evolution of implant expertise, and development within the creation of allograft and bone substitutes, the armamentarium of the orthopaedic healthcare professional has considerably elevated. specifically, the hot involvement of nanotechnologies opens up the chances of latest ways within the interactive interfaces of implants. With many vital advancements happening because the first variation of this well-received ebook, this up to date source informs orthopaedic practitioners on quite a lot of biomechanical advances in a single whole reference guide.

Biomechanics and Biomaterials in Orthopedics, 2nd edition compiles the main well known paintings within the self-discipline to supply newly-qualified orthopedic surgeons a precis of the basic talents that they are going to have to practice of their day by day paintings, whereas additionally updating the data of skilled surgeons. This e-book covers either simple innovations referring to biomaterials and biomechanics in addition to their medical program and the adventure from daily functional use. This booklet should be of serious price to experts in orthopedics and traumatology, whereas additionally delivering an incredible foundation for graduate and postgraduate learning.

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Biomechanics and Biomaterials in Orthopedics

With the consistent evolution of implant know-how, and development within the creation of allograft and bone substitutes, the armamentarium of the orthopaedic health care provider has considerably increased. specifically, the new involvement of nanotechnologies opens up the chances of recent ways within the interactive interfaces of implants.

Extra resources for Biomechanics and Biomaterials in Orthopedics

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12] developed a HA coated hip prosthesis and reported an excellent 10 year clinical result in a large number of patient (Fig. 3). At present, HA is the bioactive ceramic most widely used for clinical application as a bone void filler and a coating material for hip prostheses which are employed in cementless hip replacement. The HA coating over the prosthesis is usually performed by plasma splay coating, and thus made HA coated layer is consisted of more than 50 % of amorphous apatite. As the amorphous apatite is absorbed by osteoclasts in a few years, HA coating only cannot maintain the firm connection between the prosthesis and bone for longer than 20 years.

Recently such mechanically stronger carbons as low temperature isotropic carbon (LTI carbon) and carbon fiber reinforced carbon (CFRC) have been developed, but their clinical application has not yet been brought to realization. Bionert ceramics such as alumina ceramic (Al2O3) and zirconia ceramic (ZrO2) have a higher compressive and bending strength and better biocompatibility than stainless steel (SUS 316 L) or Co-Cr alloy. G. 1007/978-1-84882-664-9_3 21 22 particularly, therefore, had been attempted to use as osteosynthetic devices (alumina monocrystal) or to fabricate bone and joint prostheses (alumina monocrystal + polycrystal) in 1980s [2].

Yamamuro compared to those of Charnley hip prosthesis, the current alumina-on-alumina hip prosthesis is expected to bring about much better long-term results and less breakage than those used in 1970s. On the other hand, it is a well known rule for hip prosthesis that the smaller the head size the less the volumetric wear of the bearing surface. This rule has been much accounted of the PE-onceramic hip prosthesis in attempts to reduce the volumetric wear of polyethylene. The diameter of most alumina femoral head of hip prosthesis has been limited to 26–32 mm even with new alumina ceramic, because it exhibits only moderate bending strength and toughness.

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