Showing 1-30 of 46 resultados for "GF19254472"
K Venkataraman et al.
Radiology, 137(1 Pt 1), 43-47 (1980-10-01)
Though thromboembolic complications are reportedly minimal in patients with Björk-Shiley aortic valve prostheses, massive thrombosis remains a major and often fatal problem. The authors observed massive thrombosis in 3 patients, only one of whom survived. In all three instances, the...
[Tantalum dust as a contrast substance for laryngography and bronchography (a review of the literature)].
R M Rabinovich
Vestnik rentgenologii i radiologii, (1)(1), 77-79 (1981-01-01)
Xianfeng Yang et al.
Journal of the American Chemical Society, 131(34), 12048-12049 (2009-08-27)
A rutile microstructure with a novel cross-medal morphology was prepared via a hydrothermal method by using a Tantalum foil as both the doping source and the substrate. This rutile cross-medal prefers to grow along an unprecedented preferential orientation of <110>...
Hongbin Yu et al.
PloS one, 8(6), e66447-e66447 (2013-06-27)
We report a simple method to fabricate nano-porous tantalum oxide films via anodization with Ta foils as the anode at room temperature. A mixture of ethylene glycol, phosphoric acid, NH4F and H2O was used as the electrolyte where the nano-porous...
Rib development in chick embryos analyzed by means of tantalum foil blocks.
R M Sweeney et al.
The American journal of anatomy, 126(2), 127-149 (1969-10-01)
Ulrich Dorn et al.
The Journal of arthroplasty, 29(4), 831-835 (2013-10-09)
This study compared the corrosion behavior of tantalum-coated cobalt-chromium modular necks with that of titanium alloy modular necks at their junction to titanium-alloy femoral stem. Tests were performed in a dry assembly and two wet assemblies, one contaminated with calf...
Xiao-kang Tang et al.
Zhongguo gu shang = China journal of orthopaedics and traumatology, 26(7), 617-620 (2013-10-19)
Incorrect treatment for femur head necrosis can cause collapse of femoral head and tresult in severe harm for the patients (especially for the patient with middle-aged and young). The structure and mechanics characteristics of tantalum rod is similar to bone...
Observations on the use of tantalum foil in peripheral nerve surgery.
N C NORCROSS et al.
Journal of neurosurgery, 4(1), 69-71 (1947-01-01)
B L Holman et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 19(5), 510-513 (1978-05-01)
The physical decay characteristics of the short-lived radionuclide Ta-178 (half-life 9.3 min) appear to be suitable for use in conjunction with low-energy detection systems such as the multiwire proportional camera. This camera is inefficient for emissions with energies greater than...
The use of tantalum foil as a mechanical block for the separation of spinal cord and brain in chick embryos.
V HAMBURGER
The Anatomical record, 94, 355-355 (1946-03-01)
Clinical use of porous tantalum in complex primary total knee arthroplasty.
Neil P Sheth et al.
American journal of orthopedics (Belle Mead, N.J.), 38(10), 526-530 (2009-12-17)
Brett Levine et al.
The Journal of the American Academy of Orthopaedic Surgeons, 14(12), 646-655 (2006-11-02)
Porous tantalum is an alternative metal for total joint arthroplasty components that offers several unique properties. Its high volumetric porosity (70% to 80%), low modulus of elasticity (3 MPa), and high frictional characteristics make it conducive to biologic fixation. Tantalum...
Metallosis and elevated serum levels of tantalum following failed revision hip arthroplasty--a case report.
George C Babis et al.
Acta orthopaedica, 85(6), 677-680 (2014-08-21)
Use of a tantalum foil tube to maintain patency of the nasofrontal duct.
W C HUGENBERG et al.
A.M.A. archives of otolaryngology, 54(2), 167-171 (1951-08-01)
D M Smith et al.
Teratology, 54(3), 126-134 (1996-09-01)
Recent studies have demonstrated a link between limb reduction defects and mesonephros removal [Geduspan and Solursh, 1992) Dev. Biol., 151:242-250]. However, there is some question as to whether the limb-reduction defects seen in that study resulted from the removal of...
[The experimental and clinical studies on the anastomosis of the intercostal nerve to the splanchnic nerve by means of metal tantalum foil (an operative procedure on the so-called abdominal neurosis)].
S Bando
Kobe Ika Daigaku kiyo, 26(3), 98-112 (1964-07-01)
Paul S Issack
The Journal of bone and joint surgery. American volume, 95(21), 1981-1987 (2013-11-08)
➤ Over the past decade, porous tantalum has emerged as a powerful tool for reconstruction of the failed acetabular component.➤ The increased porosity, high coefficient of friction, and favorable elastic modulus of porous tantalum compared with traditional titanium mesh or...
Tantalum foil cuffs in peripheral nerve surgery.
E E CLIFFTON
Surgery, 23(3), 507-514 (1948-03-01)
Nilesh Patil et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 89(1), 242-251 (2008-10-08)
Conventional porous-coated joint prostheses used in hip and knee reconstruction have demonstrated good clinical results, however, these implants possess some inherent shortcomings such as low volumetric porosity, suboptimal frictional characteristics, and higher modulus of elasticity relative to that of bone....
M Rajani et al.
Acta radiologica: diagnosis, 24(5), 363-367 (1983-01-01)
Cineradiography is the most accurate and rapid method in evaluation of the function of Björk-Shiley prosthetic valves manufactured after late 1975 and which incorporate a tantalum foil hoop into the disc. This helps in demonstration of the disc and in...
T Y Hung et al.
Applied optics, 31(22), 4397-4404 (1992-08-01)
A simple four-element fused-silica lens is presented that has a focal length of 31.2 mm and a relative aperture of f/1 for use as a focusing lens for deep UV laser processing. The curvature of the lens is designed with...
Radmila Panajotovic et al.
Radiation research, 165(4), 452-459 (2006-04-04)
We determined effective cross sections for production of single-strand breaks (SSBs) in plasmid DNA [pGEM 3Zf(-)] by electrons of 10 eV and energies between 0.1 and 4.7 eV. After purification and lyophilization on a chemically clean tantalum foil, dry plasmid...
Analysis of lithium in renal tubular fluid by atomic absorption spectrometry with use of tantalum foil.
P Boer et al.
The American journal of physiology, 268(6 Pt 2), F1229-F1231 (1995-06-01)
Tantalum foil pegs.
E MAXWELL
American journal of ophthalmology, 34(3), 444-444 (1951-03-01)
Brett Levine et al.
The journal of knee surgery, 20(3), 185-194 (2007-08-02)
Porous tantalum represents an alternative metal for primary and revision total knee arthroplasty (TKA) with several unique properties. Tantalum is a transition metal, which in its bulk form has shown excellent biocompatibility and is safe to use in vivo as...
J Black
Clinical materials, 16(3), 167-173 (1993-12-09)
A detailed literature search was carried out to define the current knowledge about the biological performance of tantalum. The pure metal appears, to a great degree, to be inert both in vivo and in vitro. Both the pure metal and...
Brett Russell Levine et al.
Biomaterials, 27(27), 4671-4681 (2006-06-02)
Porous tantalum, a new low modulus metal with a characteristic appearance similar to cancellous bone, is currently available for use in several orthopedic applications (hip and knee arthroplasty, spine surgery, and bone graft substitute). The open-cell structure of repeating dodecahedrons...
J G Sen Gupta
Talanta, 32(1), 1-6 (1985-01-01)
An improved graphite furnace atomic-absorption method has been developed for the determination of Sc, Y and the rare-earth elements in silicate rocks and related materials. The method, which involves the separation of the lanthanides by ion-exchange followed by their determination...
Jian Lu et al.
Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery, 26(2), 244-247 (2012-03-13)
To review the progress in the treatment of bone defect by porous tantalum implant. Recent literature was extensively reviewed and summarized, concerning the treatment method of bone defect by porous tantalum implant. By right of their unique properties, porous tantalum...
A T Tokarski et al.
The bone & joint journal, 97-B(1), 45-49 (2015-01-09)
We hypothesised that the use of tantalum (Ta) acetabular components in revision total hip arthroplasty (THA) was protective against subsequent failure due to infection. We identified 966 patients (421 men, 545 women and 990 hips) who had undergone revision THA...

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