Articulated Arm Ceiling Pendant Systems HTM/ISO Specification Sheet
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Articulated Arm Ceiling Pendant Systems HTM/ISO Specification Sheet - 1

Articulated Arm Ceiling Pendant Systems SPECIFICATION PENDANT SYSTEMS and Pendant Systems The pendant system shall provide a safe, robust and ergonomic medical workplace solution. The pendants shall be designed to comply with HTM2022, HTM02-01, NFPA 99, BS EN 60601-1 and ISO 11197. It shall be possible to replace all medical gas hoses without the need for on site crimping of ferrules. All medical gas hose shall be manufactured to BS EN ISO 5359, with NIST connectors manufactured to BS EN 15908. Non-colour coded hoses or hoses without permanently crimped connections are not acceptable. Bearings High quality bearings shall be used to provide smooth and free movement, minimising the force required to overcome static friction forces during repositioning. Bearings shall be permanently lubricated and sealed, with no maintenance or replacement necessary. The Heavy Duty pendant arm and bearing designed shall have been type tested to 40,000 revolutions under full load conditions at a safety factor of 4 to ensure the design is appropriate for the intended purpose. Pendant Arms Pendant arms other than the Standard Duty cantilever lift arm shall be manufactured from extruded aluminium sections and be available in various lengths. External surfaces of all arms shall be polyester powder coated in a RAL 9002 finish. Arm end caps shall be manufactured from moulded polyflam with a UL listed fire retardancy of UL94/VO. Tandem pendants for critical care areas shall be designed so that the consoles can readily swap sides within the bed bay to maximise the flexibility of the workspace. Cantilever lift arms shall be driven by a single phase AC induction motor with power transmitted to the cantilever mechanism by a ball screw. Linear actuators shall not be used in the vertical lift mechanism for the pendant console. When tested to BS EN ISO 3744, the sound pressure level produced by the cantilever vertical lift mechanism shall not exceed 30db(A). Rotational Control The pendant shall be provided with active pneumatic brakes at each rotating arm joint (Heavy Duty Lateral and canti-lever arms) and electromagnetic brakes for Standard Duty Lateral type arm. Articulated pendants (double arms) shall have independently controlled brakes to enable individual control of arm movement. The pendant console brake shall be operated from the same pneumatic control switch as the lower arm joint where articulated (double) arms are fitted. Pendants with cantilever vertical lift shall not be fitted with pneumatic brakes in the joint connecting to the console. Visual indicators shall be included on the ceiling arm joint (green) and the intermediate arm joint (blue). A corresponding button mounted on the equipment shelf shall be included giving a clear indication as to which brake button controls which arm bearing, in order to give the user better control. Non-return valves shall be fitted downstream of the connection to the medical/surgical air pipeline to prevent back-flow in the event of Atlas Copco Ltd. trading as Atlas Copco Medical Unit 18 Nuffield Way, Abingdon, Oxfordshire, UK OX14 1RL www.beaconmedaes.com low distribution system pressure. Heavy Duty arm joints shall be capable of 3300 of rotation, with consoles able to rotate up to 3400 . The Standard Duty range of arms shall be capable of 3400 of rotation. Infinitely variable rotational stops shall enable precise of limits travel to be set to ensure maximum freedom of movement, whilst protecting walls ancillary equipment. The rotational stops shall be dampened such that when limit of travel is reached, sensitive suspended equipment is not subjected to shock or vibration as the kinetic energy is absorbed. Consoles Consoles shall be manufactured from extruded hard-anodised aluminium sections, with polyester powder coated (RAL 9002) aluminium fascia plates. Consoles shall be configured using 200mm sectional compartments in order to provide efficient space usage and shall house auxiliary sockets and other electrical accessories. Multi-function racks shall be stainless steel and shall be permanently fastened to the console. Racks shall be provided in varying lengths and configured along with the console suitable for the intended application and accessories included. Racks shall hold equipment such as shelves, drawers, infusion holding devices, monitor arms, keyboard trays, etc. A docking facility shall be available to facilitate docking of ventilator trolleys or anaesthesia workstations. An electric lifting mechanism shall be available to enable lifting of anaesthesia workstations(1) off the floor, enabling easier cleaning in operating theatres and removing trailing cables and hoses from the floor. The lifting mechanism shall have a capacity of 280kg and lift up to 500mm from the floor level at a velocity of 9.5mm/s. When tested to BS EN ISO 3744, the sound pressure level produced by the lifting mechanism shall not be exceed 30 db(A). CE Marking Pendant Systems are 'CE' marked under the Medical Devices Directive 93/42/EEC with approval from notified body no. 0297. Under this directive, the specified products are classified as Class IIa Medical Devices. (1) Not all anaesthesia workstations are suitable for lifting. Please contact our design support department to discuss your particular application.

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Articulated Arm Ceiling Pendant Systems HTM/ISO Specification Sheet - 2

Pendant Payloads, Moments and Forces Standard Duty - Lateral Movement Only 1. For tandem pendants the moment acting on each side of the pendant system should be added to give the worst case 2. For tandem pendants the vertical force acting on each side should be added 3. Net payload will be reduced by the weight of the console and associated fixed equipment and fixtures 4. The current edition of BS EN 60601-1 stipulates a safety factor of 4 should be applied to suspended masses 5. A factor of safety of 4 will ensure a deflection of no more than 10 between fully loaded and unloaded. Lower...

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Articulated Arm Ceiling Pendant Systems HTM/ISO Specification Sheet - 3

In an effort to continuously improve our products, the right is reserved to change the specification of the items described herein at any time. Please contact us for further information and up to date specifications. Heavy Duty - Lateral Movement Only Arm Lengths 1. For tandem pendants the moment acting on each side of the pendant system should be added to give the worst case 2. For tandem pendants the vertical force acting on each side should be added 3. Net payload will be reduced by the weight of the console and associated fixed equipment and fixtures 4. The current edition of BS EN...

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