Palm unit for artificial hand

A palm unit for an artificial hand, the palm unit comprising: a palm unit body (70); a motor (68) held by the palm unit body; a hydraulic pump assembly (72) held by the palm unit body and powered by the motor; and a hydraulic circuit held by the palm unit body, wherein the palm unit body forms a sea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Josephus Martinus Maria Poirters
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS CHAMBERS PROVIDED WITH MANIPULATION DEVICES 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 HAND TOOLS HUMAN NECESSITIES HYGIENE MANIPULATORS MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS PROSTHESES TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A palm unit for an artificial hand, the palm unit comprising: a palm unit body (70); a motor (68) held by the palm unit body; a hydraulic pump assembly (72) held by the palm unit body and powered by the motor; and a hydraulic circuit held by the palm unit body, wherein the palm unit body forms a sealed enclosure for all hydraulic parts including the hydraulic circuit and hydraulic pump assembly, wherein the palm unit body is formed in a single piece; wherein the hydraulic circuit is for actuating digits of the artificial hand; and wherein the hydraulic pump assembly is arranged to switch from a low-pressure configuration to a high pressure configuration automatically during a closing grip pattern of the digits when the pressure in the system increases beyond a threshold value.