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General characteristics of stretchers

Twist effect

Twist effect

Twist is Spencer's new point of view with regards to stretchers of a superior class. Twist was created to fill a gap in the category of self loading stretchers; that of a scarce manoeuvrability due to the use of only two pivoting wheels. When an increased manoeuvrability of the stretcher is required, the activating of a lever will enable the fixed front wheels of the trolley to rotate freely and by simply letting go of the lever, return the wheels to their natural state. Spencer, always looking to improve the working conditions for operators, has, with Twist, introduced a system that optimises manoeuvrability and reduces the strain on the lumbar region which can be caused every time that it is necessary to change direction. The Twist system can be requested for the Cross, Carrera, Alto and Fox stretchers.
SCS

Compliance Suspension effect

Spencer has developed a new concept of suspension; the SCS system (Spencer Compliance Suspension), that represents an important step forward in the field of passive suspension construction. SCS differentiates itself from the traditional approach by the way in which it generates movement of the suspension under load. In fact, it uses a simple arm with particular properties of rigidity which allow the arm itself to guarantee its traditional structural role and also to make an important contribution to the movement of the suspension when under load. No matter what the kind of surface, the special curved shaping of the legs modify immediately the softening effect of each wheel. The result of this integration of functions is a system that can guarantee a high level of comfort and safety without the complexities and high costs normally associated with an equivalent performance. Among the improved characteristics, the most significant is the lengthwise flexibility of the suspension, which is fundamental in the creation of high levels of comfort.

Self effect

The Self system allows for the transportation of the load (patient) without the usual risk of injury that an operator can face during the lifting phase. It completely sustains loading or unloading, onto or off the ambulance. The inferior part of the stretcher has an articulation that during closure can be activated, not by a lifting movement but, by a simple pushing action. With this, the wheels with which it is equipped are easily brought into contact with the surface onto which it has to be loaded. The advantage of this system is that the load can be made to slide without any extra effort. This system therefore on one hand eliminates any risk of strain on the lumber region of the operator and on the other, in its role as a trolley, presents itself as highly stable and easy to handle. All this is due to the well balanced structure and a notable smoothness when in motion. The wheels have a diameter of 200 mm which also contribute to the quality of this stretcher. This has all been achieved while maintaining a low weight and perfect balance.
Self effect Thanks to the Self system, the risk of injury to the lumbar region of the operator is eliminated as only a simple pushing movement is required.
Effetto Self The stretchers that are not equipped with the Self system require lifting during both the loading and unloading phases with subsequent risk to the rachis.
Crash assist

Crash-assist

Always looking for solutions for the most extreme of cases, Spencer has improved absorption still further with Crash-assist. Centre of gravity shifted, compensated piston, auxiliary framework. Result: only 190 mm drop range.
Silenziosità

Silence

The silence of the gears is accentuated and therefore appreciated during ambulance transportation, when the care of the patient calls for great concentration. The insertion of a self-oiling system in nylon between the metallic parts ensures continuous silence and durability. What is very impressive is the total absence of vibration, maintained balance and deadening of any noise even when used on roads.

Wheels

Wheels with a diameter of 200 mm offer increased smoothness without requiring extra effort. Wheels forged in an extremely light and elastic copolymer, that glide on precision ball-bearing pads of rubberised “soft” polyurethane. The adoption of spherical pads for both the pivoting of the supports and the rotating axis of the wheels, along with the use of an elasticised rubber covering, contributes considerably to the reduction of noise even on uneven surfaces. The elasticity of the polyurethane covering, guarantees maximum comfort since, thanks to the high shock absorption capacity, absorbs irregularities of the ground thus avoiding the transmission of any vibrations or jolting to the stretcher. The design of the outrunner assures silence and a perfect adherence to the ground. The special technique used in the making of the ring, gives concentricity without ovalization thus guaranteeing a uniform rotation.

Brakes

An integrated braking system allows the trolley to remain stationary on slopes, easy steering and the blocking of the trolley in the desired position. The procedure of braking, made easier by the use of a wide pedal, is gentle, requires no extra effort or regulation and simultaneously blocks both wheel and support.
Brakes The wheels with diameters of 100, 125, and 150 mm, have supports made in acetyl resin with the double spherical crown type rotating parts.
Brakes The wheels with a diameter of 200 mm, are made in cold pressed, chromium plated steel or stainless steel and have the double spherical crown type rotating parts.
Paintwork

Paintwork

With the powder paintwork, a method which produces few harmful residues and is therefore very ecological, we have moved into a new field for the stretcher industry. The results attained are a demonstration of just how much we have discovered and learnt in this particular field: total elimination of solvents, an almost complete elimination of waste fluids and an overall waste quota of less than 5%; all of which permit the realisation of a product of a superior quality than that possible when employing traditional methods.
Welded framework

Welded framework

The rigid upper framework, but above all the fork on the rear, are examples of the creativity and inventiveness that have always been freely used at Spencer, right from the beginning if its young yet intense story. The structure does in fact, show a pronounced curvature. The pleasing appearance is gratifying but even more so, is that of when it is actually in motion, thanks to the conception of a chassis that can confront any kind of surface. As we descend taking a look at more of the details, we note that apart from having a curved line, the tubes have section for the height variations and are also welded with the appropriate techniques. To be honest, it is difficult to a separate the aesthetic ideas and the structural necessities of such products. The importance is to underline that the welded frameworks have been judged to be light, rigid, versatile, durable and exceptionally trustworthy.

Ergonomic design

We believe that good design must begin with a full understanding of the function of a product. This, for us, means taking into consideration the simple operations of opening, closing, clamping, adjusting or transferring and then analysing each separate element with regards to the operators interaction with the stretcher. We study these elements therefore, not only to have an aesthetically pleasing appearance and a comfortable grip but also to render the operators work easier when using our stretchers. This can be seen by now taking a closer look at the instruments used for manoeuvring.
Ergonomic design Thanks to the creation of a more generous radius in respect to the main board, the knob used to lower the backrest now allows for the fingers to take a more natural ergonomic position inside the cavity designed in the lateral parts. Meanwhile the thumb finds a natural support on the resin label placed at the head of the knob. In this position one can achieve maximum use with minimum effort.
Ergonomic design The lever used for the selection of the height required, has a slightly curved shape that thickens towards the end to offer the possibility of a comfortable and safe grip for the hand of the operator.
Ergonomic design The knob used to select the required length of the telescopic handles, has a space created to allow for the correct positioning of the thumb to guarantee a gentle yet safe activation.

HD-K

Functional design

Functional design
It seems that the world today is running towards ever more complex schemes, far away from every-day utility. The new HD-K directional system proposes a new style which embraces innovation and simplicity without loss of technological complicity: synthetic harmony between essential style and interactive mechanics. Spencer delivers a new way of interpreting complicity and advanced technological solutions, offering a new generation of integrated systems for directional systems which at first glance will immediately surprise you. The aggressive and reassuring lines allow immediate recognition of the charismatic profile of the Spencer HD-K inspired by the ultimate functionality and the continuous research of synthesis between ergonomics, refined beauty and care for details.
compensation The compensation of the lifting movement during the entire vertical excursion has been obtained with a patented, extremely compact counter-balance mechanism, based on the combined compression of various elastic elements commanded by an ergonomically shaped grip handle.
blocking system The blocking system, totally manufactured in auto lubricating thermoplastic, is situated in the upper part: it is very easy to use and thanks its colour, easy to identify.
Profile The profile has an truncated ellipse shape offering a large contact-surface; the shortening allows a more comfortable grip and reduces the risk of hand slipping.

Test Center

At a first glance, the goal seems to ambitious but the Spencer Test Center has the objective of soon becoming one of the international points of reference, for agencies, emergency-related associations as well as companies who wish to test their own products, systems and accessories. Even those with a high technological level. In fact, we believe that, in order to remain the leader of a rapidly evolving market, the best way is integration. Integration not only within our own company, but also in a more wide and extended way towards suppliers and partners. Spencer boasts a complete department with highly professional staff dedicated to testing and simulation procedures of our own products and systems. The department is equipped with a complete range of machines and systems able to evaluate static and dynamic crash tests, vibrations, static loading, repeatability, pressure areas. These, together with other testing apparatus, confer to our products the same quality that the star in our logo deserves.
Thor G Just like in every experimental laboratory, the Spencer Test Center is always looking for ever more reliable and repeatable measures. This has brought us towards the development of Thor-G, an advanced static crash test system.

Fixation systems

The safety of an ambulance is measured by the capacity to integrate various solutions in perfect harmony and synergy. In both computer simulations and under actual testing, the fixation systems have been tested and optimized in terms of crash behaviour, robustness, rigidity as well as resistance to bending and torsion. Our engineers have performed various tests of frontal, asymmetrical, lateral and posterior collision, threemeter fall and rollover tests in accordance with both the strict Spencer protocols the UNI 1789 norms. The various individual fixing systems underlined by the rich assortment of pre-tensioned restraints, compressed gas bottle containers, of medical devices or of simple back packs, have been tested according to strict standards and developed side by side with leading suppliers in order to guarantee state-of-art protection on ambulances equipped with Spencer fixation systems. Strict tests that allow your fixations and equipment to perform their every-day job with maximum serenity.
Thor-EN A machine which offers daily advanced solutions for resistance test with both long and short cycles and for integrity tests of complete or partial structures.

Deformable structure for focused absorption of impact energy

The structure of the frame of Spencer stretchers has been developed in order to deform in case of collision, in order to absorb the shock energy and to protect all occupants of the vehicle. In both computer simulations and practical tests, all stretchers are tested and optimized in terms of crash behaviour, robustness, rigidity as well as resistance to bending and torsions. Our engineers have performed various tests of frontal, asymmetrical, lateral and posterior collision, three-meter fall and rollover tests in both simulations and real life circumstances according to the internal Spencer protocol.
Thor Up Specific calculating programmes are also used to reduce the study time of our stretchers. The crash tests simulated on computers perfectly anticipate realistic behaviour.