Abstract:
The operation of a valve (4) in a medicant dispenser for example, is monitored by an optical system. When the valve is first moved to its open position, a light passage from a valve component to a light sensor (12) is defined. Upon each subsequent operation of the valve which allows light to pass along the passage, the sensor (12) sends a signal to a counter which keeps a record of use of the valve (4).
Abstract:
A method for hardening at a surface a component, the component being formed of a plastics material, comprises softening the component at a surface using supercritical carbon dioxide and incorporating into the component at the surface a material to harden the surface. There is also disclosed a device having one or more surfaces hardened according to the aforementioned method and a device for retaining and presenting for use one or more components which comprises a plurality of components arranged in a disc portion and means for moving one or more of the components from a rest position to an in use position.
Abstract:
A medicant dispenser has a valve (6) with an actuator movable between valve closed and open positions. Movements of the valve actuator between these positions is monitored by a device having a light generator (24) with a source of power (18) therefor, and means defining a light path from the generator (24) to a sensor (26). A switch coupled to the valve actuator activates the source (18) each time the actuator is moved to its valve open position to transmit light from the generator (24) along the light path and provoke a signal from the sensor (26). A counter coupled to the sensor (26) maintains a record of the dispenser's use. Elements of the monitoring device may be mounted in a separate module in which a canister (2) of pressurised medicant can be installed.
Abstract:
A method for hardening at a surface a component, the component being formed of a plastics material, comprises softening the component at a surface using carbon dioxide in a pressurised environment having a pressure of less than 74 bar, and incorporating into the component at the surface a material to harden the surface. There is also disclosed a device having one or more surfaces hardened by said method.
Abstract:
A medicant dispenser comprises a valve with an actuator movable between a valve closed and a valve open position and through which medicant is selectively released and a device for detecting that medicant has been released. The device comprises a light generator for emitting a beam of light, a sensor for sensing light emitted from the light generator and a counter coupled to the sensor for receiving a signal therefrom and for counting dispensation of the medicant. The sensor may be arranged to switch the counter to an operating condition on receipt of light emitted from the light generator. Alternatively, the light generator may be switched to the operating condition on receipt of a signal from the counter. The light generator and the sensor are positioned such that medicant being dispensed interrupts the light beam emitted from the light generator thereby provoking a further signal from the sensor. The counter is arranged to detect variations in the further signal from the sensor indicative of dispensation of the medicant. There is also disclosed a method of monitoring dispensation of a medicant from a medicant dispenser and a device for detecting that medicant has been released from a medicant dispenser.
Abstract:
A system for controlling a dispensing apparatus and for monitoring one or more biometric properties of a user comprises a docking station (10) and one or more devices (6) for measuring a biometric property of a user. The devices (6) are couplable to the docking station (10) to provide information of the measured biometric property to the docking station (10). The docking station (10) is arranged to process the received information and control the dispensation of medication in response thereto depending on the measured biometric property information. There is also disclosed a method for monitoring one or more biometric properties of a user and for controlling the dispensation of medication thereto.