Patient hoist with monitoring system
First Claim
1. A patient hoist comprising a lifting mechanism which raises and lowers a suspended patient, the lifting mechanism including at least one electrical actuator which moves the lifting mechanism, and a battery which energizes the said actuator;
- a controller which controls the lifting mechanism;
a monitoring system which monitors a status and/or use of the actuator and/or one or more parts of the hoist, including monitoring power supplied to the said actuator and a duration of the supplied power;
a clock which outputs a date and time of usage of the said actuator, including a cumulative period of use of the said actuator;
an analyzer which compares data from the monitoring system with pre-stored data, and which outputs an alert and/or disables the hoist;
a memory unit which records an input to the monitoring system, an output of the clock, and an output of the analyzer; and
a retrieval module which retrieves data stored in the memory unit, the retrieval module including a display,wherein the memory unit records a cumulative workload of said actuator to determine cumulative strain over time, and a serial number of the actuator so as to avoid or limit a use of unsuitable parts.
2 Assignments
0 Petitions
Accused Products
Abstract
There is described a monitoring system for monitoring an apparatus for raising and lowering a person, for example an item of adjustable furniture or a hoist. The monitoring system comprises a memory for recording information relating to the operational history of the monitored apparatus. Amongst other information the memory may record periods when power supplied to an actuator of the apparatus exceeds a pre-defined threshold, and the number of operations performed by the apparatus. When the number of operations reaches a pre-determined amount the system can inhibit operation of the device.
13 Citations
17 Claims
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1. A patient hoist comprising a lifting mechanism which raises and lowers a suspended patient, the lifting mechanism including at least one electrical actuator which moves the lifting mechanism, and a battery which energizes the said actuator;
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a controller which controls the lifting mechanism; a monitoring system which monitors a status and/or use of the actuator and/or one or more parts of the hoist, including monitoring power supplied to the said actuator and a duration of the supplied power; a clock which outputs a date and time of usage of the said actuator, including a cumulative period of use of the said actuator; an analyzer which compares data from the monitoring system with pre-stored data, and which outputs an alert and/or disables the hoist; a memory unit which records an input to the monitoring system, an output of the clock, and an output of the analyzer; and a retrieval module which retrieves data stored in the memory unit, the retrieval module including a display, wherein the memory unit records a cumulative workload of said actuator to determine cumulative strain over time, and a serial number of the actuator so as to avoid or limit a use of unsuitable parts. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification