Search Results - "McKellop, H A"

The origin of submicron polyethylene wear debris in total hip arthroplasty by McKellop, H A, Campbell, P, Park, S H, Schmalzried, T P, Grigoris, P, Amstutz, H C, Sarmiento, A

“…The microscopic morphology of worn polyethylene surfaces was compared with that of the associated polyethylene particles for acetabular cups tested in a wear…”
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The cement mantle in total hip arthroplasty. Analysis of long-term radiographic results by Ebramzadeh, E, Sarmiento, A, McKellop, H A, Llinas, A, Gogan, W

“…The correlation between the thickness of the cement mantle, the medullary canal fill, and the orientation of the stem and the long-term radiographic outcome of…”
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Torsional strength of pin configurations used to fix supracondylar fractures of the humerus in children by Zionts, L E, McKellop, H A, Hathaway, R

“…Supracondylar fractures of the humerus in children are commonly treated with closed reduction and percutaneous pin fixation. Using an adult human cadaver…”
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Irradiation of chemically crosslinked ultrahigh molecular weight polyethylene by Shen, F.-W., McKellop, H. A., Salovey, R.

“…Acetabular cups for artificial hip joints were prepared by compression molding of ultrahigh molecular weight polyethylene in the presence of peroxide. Peroxide…”
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Healing and remodeling of articular incongruities in a rabbit fracture model by Llinas, A, McKellop, H A, Marshall, G J, Sharpe, F, Kirchen, M, Sarmiento, A

“…Healing of 0.5 or 1.0-millimeter step-off defects associated with displaced intra-articular fractures of the medial femoral condyle was examined in fifty-four…”
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Effect of molecular weight, calcium stearate, and sterilization methods on the wear of ultra high molecular weight polyethylene acetabular cups in a hip joint simulator by McKellop, H A, Shen, F W, Campbell, P, Ota, T

“…Orthopaedic surgeons must currently choose from several types of ultra high molecular weight polyethylene acetabular cups that differ in their material…”
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The use of a constant load to generate equivalent viscoelastic strain in finite element analysis of cemented prosthetic joints subjected to cyclic loading by Lu, Z, McKellop, H A

“…Polymers such as polymethyl-methacrylate (PMMA) surgical cement undergo elastic and viscoelastic deformation (creep) in response to physiological cyclic…”
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Total hip arthroplasty with cement. A long-term radiographic analysis in patients who are older than fifty and younger than fifty years by Sarmiento, A, Ebramzadeh, E, Gogan, W J, McKellop, H A

“…The long-term performance of a total of 712 Charnley and STH prostheses was evaluated as a function of the patientʼs age (older than fifty years or younger…”
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In vivo wear of titanium-alloy hip prostheses by McKellop, H A, Sarmiento, A, Schwinn, C P, Ebramzadeh, E

“…We examined samples of tissue and components that had been removed during twenty revisions of total hip arthroplasties in which a titanium-alloy femoral…”
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Effects of tibial malalignment on the knee and ankle by McKellop, H A, Llinás, A, Sarmiento, A

“…It is widely believed that excessive angulation of the tibia may predispose the ankle and knee to osteoarthritic degeneration. There is no general agreement,…”
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Finite element analysis of acetabular wear. Validation, and backing and fixation effects by Maxian, T A, Brown, T D, Pedersen, D R, McKellop, H A, Lu, B, Callaghan, J J

“…A two-phase investigation was undertaken to study computational performance aspects of a recently developed finite element formulation that has shown promise…”
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Bearing surfaces in total hip replacements: state of the art and future developments by McKellop, H A

“…Because the UHMWPE components fabricated by the historic process of gamma-sterilization in air are no longer marketed, a surgeon who wishes to continue…”
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Effect of loading and fracture motions on diaphyseal tibial fractures by Sarmiento, A, McKellop, H A, Llinas, A, Park, S H, Lu, B, Stetson, W, Rao, R

“…A computerized motion sensor was used to record the three-dimensional components of interfragmentary motion during healing in three patients with closed,…”
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Mechanism of failure in hips with an uncemented, all polyethylene socket by Llinás, A, Sarmiento, A, Ebramzadeh, E, Park, S H, Campbell, P, McKellop, H A

“…The outcome of 32 patients with 33 primary total hip replacements performed using noncemented uncoated polyethylene acetabular cups (RM cup) with cemented…”
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The effect of simulated fracture-angulations of the tibia on cartilage pressures in the knee joint by McKellop, H A, Sigholm, G, Redfern, F C, Doyle, B, Sarmiento, A, Luck, J V

“…The effects of angular deformities of the tibia on the contact areas and pressures on cartilage in the knee were measured with use of pressure-sensitive film…”
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Profile of oxidation in irradiated polyethylene by Yeom, B., Yu, Y.-J., McKellop, H. A., Salovey, R.

“…Following gamma irradiation in air which causes bond scission and yields large concentrations of peroxy radicals, maximum oxidation and an increase in…”
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Long-term radiographic changes in cemented total hip arthroplasty with six designs of femoral components by Ebramzadeh, Edward, Normand, Patricia L., Sangiorgio, Sophia N., Llinás, Adolfo, Gruen, Thomas A., McKellop, Harry A., Sarmiento, Augusto

“…Measurements were made from annual follow-up radiographs, obtained over 27.6 years, of 860 cemented total hip arthroplasties implanted by one surgeon. Femoral…”
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A comparison of the healing properties of rabbit Achilles tendon injuries at different levels by Kuschner, S H, Orlando, C A, McKellop, H A, Sarmiento, A

“…Rabbit Achilles tendons were transsected at the muscle-tendon junction (Group 1), midtendon (Group 2), or at the calcaneus insertion (Group 3). Treatment…”
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Metal wear particle characterization from metal on metal total hip replacements: Transmission electron microscopy study of periprosthetic tissues and isolated particles by Doorn, Peter F., Campbell, Patricia A., Worrall, Jack, Benya, Paul D., McKellop, Harry A., Amstutz, Harlan C.

“…The less intense tissue reaction around metal on metal total hip replacements (THRs) compared to metal on polyethylene (PE) THRs may be explained by the…”
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Morphology of chemically crosslinked ultrahigh molecular weight polyethylene by Shen, F.-W., McKellop, H. A., Salovey, R.

“…Morphological characterization of chemically crosslinked ultrahigh molecular weight polyethylene was performed by differential scanning calorimetry and…”
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