A device operable to supply a force feedback to a physiological unit to besed as an advanced interface for machines and computers, including an exoskeleton which includes kinematic elements articulated about articulation axes arranged coincident with or in close proximity to the physiological axes of the physiological unit such as, for example, the flexion-extension axes of the phalanges of the fingers of a hand of an operator. A series of electrical actuators controls the degree of tension on traction cables applying a force feedback to the kinematic elements and consequently to the physiological unit, so as to simulate an interaction between the operator and a virtual object. The device includes position sensors for detecting the configuration of the physiological unit and force sensors for measuring the strength of the force locally applied thereto by the actuators controlled by a processing system.

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A body-powered prosthetic arm is mountable on a socket attached to the arm stump of a person. The prosthetic arm includes a base for attachment to the socket, a forearm section having a proximal end and a distal end, a terminal device such as a hook, anthropomorphic hand, etc. attached to the distal end of the forearm section for selectively opening or closing, and an elbow joint for joining the proximal end of the forearm section to the base, the elbow joint being pivotable to enable moving the forearm section upwardly or downwardly. Control straps and cables fitted on the person are responsive to body movements of the person for selectively locking the elbow joint to prevent it from pivoting while allowing the terminal device to open or close or locking the terminal device to prevent it from opening or closing while allowing the elbow joint to pivot.

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A human power amplifier includes an end-effector that is grasped by a human operator and applied to a load. The end-effector is suspended, via a line, from a take-up pulley, winch, or drum that is driven by an actuator to lift or lower the load. The end-effector includes a force sensor that measures the vertical force imposed on the end-effector by the operator and delivers a signal to a controller. The controller and actuator are structured in such a way that a predetermined percentage of the force necessary to lift or lower the load is applied by the actuator, with the remaining force being supplied by the operator. The load thus feels lighter to the operator, but the operator does not lose the sense of lifting against both the gravitation and inertial forces originating in the load.

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The method for automatic dosing of drugs utilizes a microdelivery device which may be implanted in or otherwise administered to an animal or human. A microdelivery device is configured to have at least one compartment containing at least one drug so that a plurality of doses of the drug(s) are held within the device. In accordance with the present invention, the microdelivery device selectively actuates a compartment to selectively release doses of the drug(s) to provide an efficacious dosing pattern. One primary function of the present invention is to release two or more pesticides in such a pattern that parasites are effectively controlled while preventing the development of tolerance to the drugs within the parasites. Preferably, the microdelivery device is programmable to effectuate the release of the drug(s) at a desired time to maintain efficacious levels of the drug while minimizing the amount of drug which must be used.

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A system for determining acceleration by measuring the movement of a rod within a housing. The rod is an elongate flexible rod disposed in the housing with one end being attached to the housing and the other end being free to move when the housing is accelerated. Movement of the rod is measured with field detectors disposed on an inside wall of the housing. The field detectors are used for determining the direction and degree of movement of the rod when the housing is accelerated.

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