Acroangiodermatitis is a rare condition with numerous causes typically presenting as purple macules on the lower extremities. Although benign, it can mimic the presentation of more serious underlying conditions such as Kaposi's sarcoma. We present a case of acroangiodermatitis in the stump of an amputee related to suction socket use in order to raise awareness of an unusual setting for this vascular proliferation.
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http://dx.doi.org/10.1111/j.1440-0960.2011.00826.x | DOI Listing |
JBJS Essent Surg Tech
March 2024
Department of Orthopaedic Surgery, Memorial Sloan Kettering, New York, NY.
J Prosthet Orthot
October 2022
Department of Bioengineering, University of Washington, Seattle, WA, USA.
Introduction: The most suitable elevated vacuum (EV) pressure may differ for each individual prosthesis user depending on suspension needs, socket fit, prosthetic components, and health. Mechanical and physiological effects of EV were evaluated in an effort to determine the optimal vacuum pressure for three individuals.
Methods: Instrumented EV sockets were created based on the participants' regular EV sockets.
Med Eng Phys
December 2022
Department of Bioengineering, University of Washington, Seattle, WA, 98195, United States. Electronic address:
A novel method is described to connect a prosthetic liner to the panels of an adjustable socket to facilitate limb fluid volume stabilization in prosthesis users. Magnets are placed in the socket panels, and iron powder is embedded in the user's prosthetic liner. When the magnet is in close proximity to the liner, a firm connection is formed.
View Article and Find Full Text PDFProsthet Orthot Int
June 2021
Department of Physical Therapy, University of Delaware, Newark, DE.
Background: Improper suspension between the residual limb and prosthesis can result in pistoning, which may compromise skin integrity and reduce overall user comfort. In addition to objective measures of limb pistoning, user perspective may provide insight into suspension system effectiveness.
Objectives: The primary objective of this analysis was to explore differences in self-reported measures among adults with transtibial amputation (TTA) using pinlock vs suction suspension systems.
Med Eng Phys
October 2020
Department of Bioengineering, University of Washington, Seattle WA, USA.
Elevated vacuum (EV) is suggested to improve suspension and limb volume management for lower limb prosthesis users. However, few guidelines have been established to facilitate configuration of EV sockets to ensure their safe and proper function. A benchtop model of an EV socket was created to study how prosthetic liner tensile elasticity, socket fit, and socket vacuum pressure affect liner displacement and subsequent pressure on the residual limb.
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