Pump system

A vacuum suspension system includes a foot cover having a heel portion and a pump system located in the heel portion. The pump system includes upper and lower sections arranged to move in an axial direction relative to one another and a pump mechanism operatively connected to and positioned between...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Marlin, Dana Stewart, Halldorsdottir, Gudfinna, Jonasson, Hafsteinn, Gunnsteinsson, Larus, Granz, Dadi, Sverrisson, Atli Orn
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS BLASTING DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HEATING HUMAN NECESSITIES HYGIENE LIGHTING MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PROSTHESES PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS TREATMENT OR PROTECTION OF EYES OR EARS WEAPONS
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Beschreibung
Zusammenfassung:	A vacuum suspension system includes a foot cover having a heel portion and a pump system located in the heel portion. The pump system includes upper and lower sections arranged to move in an axial direction relative to one another and a pump mechanism operatively connected to and positioned between the upper and lower sections. When the heel portion is loaded in stance the pump mechanism moves from an original configuration in which the volume of a fluid chamber defined by the pump mechanism is zero or near-zero, to an expanded configuration in which the volume of the fluid chamber is increased.