Enhancing Proximal Femoral Pressure during Cemented Stem Insertion

Budnar, Vijaya M.; Bannister, G.C.

doi:10.5301/hip.2012.9243

Cited by 3 publications

(2 citation statements)

References 17 publications

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“…First, a collar provides a compressive force to the cement during impaction that may pressurize and improve the quality of the cement mantle. 35 Second, contact between the collar and calcar functions to limit or eliminate subsidence. Thus, collars are typically used with Type II designs or with some Type I stems designed to be cemented line to line.…”

Section: Stem Collarmentioning

confidence: 99%

Cemented Stem Design in Total Hip Arthroplasty: Fixation Philosophies, Biomechanics, and an Updated Classification System

Hegde,

Harris,

Springer

et al. 2024

J Am Acad Orthop Surg

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There is renewed interest in cemented femoral fixation in total hip arthroplasty in the United States, and to fully appreciate the evolution of cemented femoral stem designs, an understanding of their history and design rationale is essential. To adequately study the outcomes of modern-day designs, a comprehensive classification system is also necessary. The biomechanical principles, failure mechanisms, and clinical outcomes associated with various cemented femoral stems are described in this comprehensive review. In addition, an updated version of an existing classification system is described that incorporates the primary design characteristics which differentiate implants currently in use. In this classification, implants are categorized as taper-slip (Type I), which are subdivided by Anatomic (IA), Double-Taper (IB), and Triple-Taper (IC) with subclassification for Traditional and Line-to-Line implants. Composite beam (Type II) implants are similarly divided into Anatomic (IIA), Straight (IIB), and Wedge (IIC) with subclassification for Polished, Satin, or Roughened finish. This classification system provides a basis for comparing cemented femoral stems, thereby improving our understanding of the effect of design characteristics on survivorship to guide future advancements and improve clinical outcomes.

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Section: Stem Collarmentioning

confidence: 99%

Cemented Stem Design in Total Hip Arthroplasty: Fixation Philosophies, Biomechanics, and an Updated Classification System

Hegde,

Harris,

Springer

et al. 2024

J Am Acad Orthop Surg

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show abstract

“…The transition between cementation and stem insertion is a critical step that allows for an opportunity to further increase intramedullary pressure. Budnar et al assessed the impact of calcar occlusion on intramedullary pressure during stem insertion, comparing no occlusion, thumb occlusion, and use of a collar 130 . The authors noted higher pressures in proximal and distal segments with occlusion, with close results achieved between collar and thumb occlusion.…”

Section: Pressurizationmentioning

confidence: 99%

Femoral Stem Cementation in Primary Total Hip Arthroplasty

et al. 2022

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Femoral stem cementation has undergone considerable investigation since bone cement was first used in arthroplasty, leading to the evolution of modern femoral stem cementation techniques. » Although there is a worldwide trend toward the use of cementless components, cemented femoral stems have shown superiority in some studies and have clear indications in specific populations. Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSREV/A863).

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Current concepts and outcomes in cemented femoral stem design and cementation techniques: the argument for a new classification system

et al. 2020

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Cemented implant fixation design principles have evolved since the 1950s, and various femoral stem designs are currently in use to provide a stable construct between the implant–cement and cement–bone interfaces. Cemented stems have classically been classified into two broad categories: taper slip or force closed, and composite beams or shaped closed designs. While these simplifications are acceptable general categories, there are other important surgical details that need to be taken into consideration such as different broaching techniques, cementing techniques and mantle thickness. With the evolution of cemented implants, the introduction of newer implants which have hybrid properties, and the use of different broaching techniques, the classification of a very heterogenous group of implants into simple binary categories becomes increasingly difficult. A more comprehensive classification system would aid in comparison of results and better understanding of the implants’ biomechanics. We review these differing stem designs, their respective cementing techniques and geometries. We then propose a simple four-part classification system and summarize the long-term outcomes and international registry data for each respective type of cemented prosthesis. Cite this article: EFORT Open Rev 2020;5:241-252. DOI: 10.1302/2058-5241.5.190034

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Enhancing Proximal Femoral Pressure during Cemented Stem Insertion

Cited by 3 publications

References 17 publications

Cemented Stem Design in Total Hip Arthroplasty: Fixation Philosophies, Biomechanics, and an Updated Classification System

Cemented Stem Design in Total Hip Arthroplasty: Fixation Philosophies, Biomechanics, and an Updated Classification System

Femoral Stem Cementation in Primary Total Hip Arthroplasty

Current concepts and outcomes in cemented femoral stem design and cementation techniques: the argument for a new classification system

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