Negative pressure intrusion cementing technique for total knee arthroplasty

被引：27

作者：

Banwart, JC ^{[1
]}

McQueen, DA ^{[1
]}

Friis, EA ^{[1
]}

Graber, CD ^{[1
]}

机构：

[1] Univ Kansas, Sch Med, Sect Orthopaed, Dept Surg, Wichita, KS 67214 USA

来源：

JOURNAL OF ARTHROPLASTY | 2000年 / 15卷 / 03期

关键词：

bone cement; total knee arthroplasty; cement technique; negative pressure intrusion; positive pressure intrusion; polymethylmethacrylate;

D O I：

10.1016/S0883-5403(00)90762-9

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

Negative pressure intrusion (NPT) is an alternative cementing technique for the tibial baseplate of total knee arthroplasty that uses a suction cannula in the proximal tibia to remove excess fluids and fat before cementing. Tills technique was compared with standard third-generation positive pressure intrusion (PPT) techniques in an in vitro implantation and analysis of 6 pairs of cadaveric tibiae. Six matched pairs of fresh frozen tibiae were prepared by cutting: the tibial surfaces, standard cleaning and surface drying, then performing PPT and NPI on 1 of each pair. No objective differences were noted on radiographs or direct cement depth measurements analysis. Scanning electron micrograph evaluation revealed that the PPI specimens had consistently more voids in the cement-bone composite, and the NPI specimens had consistently narrower empty spaces between bone and cement, resulting in righter fill in NPI specimens. NPI was shown to enhance characteristics known to improve tensile and shear strength in cement-bone composite.

引用

页码：360 / 367

页数：8

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