DE2429149A1 - Ambulance with germ-free patient's cabin separate from cab - allows disinfection after use without putting vehicle out of action - Google Patents

Abstract

Ambulance comprises a separate ventilated patient's cabin which is sealed off from the outside with a germ-free atmosphere and in which are installed several spray nozzles connected to a disinfectant tank and mounted one behind the other. The nozzles are supplied with disinfectant by a pressure pump, and the bottom of the cabin beneath which the tank is mounted includes a drain leading to the tank. Some of the nozzles may be stationary and others movable e.g. in the form of a Segner water wheel. Air sucked in from the engine is mixed and burnt with the fuel.

Description

Ambulance vehicle The subject of the invention is an ambulance vehicle with separate from the driver's cab, closed and ventilated from the outside sterile Patient cabin.

Generic ambulance vehicles are mainly used to transport patients with infectious diseases. The transport of the Infectious people should as far as possible without the risk of infection for outsiders get lost. For this purpose, it is known to take the used air from the patient's room to be disinfected first before venting into the open air. This is done thoroughly under Killing of all germs, for example, that the LuRt before it escapes is strongly heated outdoors; this can be done, for example, via the vehicle heater or additional heating takes place. This ensures that during transport that the breathing air of the inhalation patients transported in the patient cabin is released into the open air does not allow any bacteria to escape. However, problems don't just occur during of the transport, but also after the transport has ended. Here there is a need the patient room enriched with bacilli before being transported again thoroughly disinfect other patients. This is necessary because yes not all patients to be transported have the same infectious diseases and thus a further risk of infection from transport to transport.

would exist. The previously known methods, generic ambulance vehicles, or to disinfect their patient cabin after the transport of infectious diseases, are in particular with regard to the high expenditure of time and the resulting Loss of work of the ambulance vehicle is a disadvantage.

The object of the invention is, in particular, that is to say in addition to the tasks resulting from the description and claims, a generic one Ambulance vehicle advantageous in terms of production technology in a simple manner train in such a way that a re-disinfection of the previously used patient cabin can take place without loss of work of the ambulance vehicle.

This object is achieved by the invention specified in claim 1.

The subclaims represent advantageous developments of the invention represent.

As a result of such a configuration, a generic patient transport is vehicle created of increased utility value. The vehicle according to the invention is equipped in such a way that post-disinfection is independent of stationary disinfection stations can be done, even while driving. The appropriate disinfection facility is installed directly in the vehicle for this purpose in the patient cabin. In cheap Spray nozzles with a disinfectant storage container are arranged in areas of the patient cabin stay in contact.

From this reservoir, the infectious agent can then directly into the patient cabin are sprayed into it and those that are still adhering to the inside of the cabin Kill germs.

Due to the design of the ambulance vehicle according to the invention a significant time saving is achieved because the vehicle has to be transported once Infectious patients do not have to be disinfected in a specific ward, so that the considerable Downtimes are saved. The vehicle according to the invention can be used in uninterrupted Consequence with optimal application, d.fi. sufficient exposure time for the disinfectant for the alternate transport of various types of infectious diseases Patients are used. To Delivery of a transported Patients to the hospital can now use the ambulance directly to be sent to the next location and the subsequent disinfection of the patient cabin to be carried out while driving. It is possible here to use the disinfectant effect by means of a pressure pump, which the liquid disinfectant, such as Formalin, sprayed under pressure through the spray nozzles, to increase considerably. aside from that the resulting pressure ensures good atomization of the disinfectant liquid achieved, which ensures a very good disinfection.

Furthermore, the pressure point feed of the spray nozzles can be used in the storage container for the disinfectant, depending on the type of transport vehicle, housed in the most favorable way and of sufficient size The disinfectant sprayed can also be deepest if the vehicle floor is appropriately centered Flow point through a drain back into the reservoir.

This configuration ensures that a continuous cycle of the disinfectant is possible. Furthermore, the pressure pump feed is the Spray nozzles given the possibility of a part of the nozzles stationary and another To arrange part movably. The effect of the spray nozzles can be used here by the kickback forces made possible by the pump, for example in the form of a Segner Be waterwheel.

In addition to this extremely favorable mechanical arrangement for post-disinfection can take advantage of the considerable advantages already achieved through thermal effects to be strengthened. The nebulization when the disinfectant is sprayed gets better if the latter has been warmed up beforehand. Therefore, before the disinfectant escapes A heat source is connected upstream through the spray nozzles in the patient cabin, which the disinfectant is heated before spraying and therefore a better and faster one Disinfection brings. There is also an inexpensive option instead of of the heated disinfectant to heat the interior walls of the patient cabin. This embodiment has the advantage that it is sprayed into the patient cabin Disinfectant, which settles on the inside walls of the cabin, quickly and thoroughly evaporated, so that despite the strong smell of the disinfectant with good disinfectant effect, quickly evaporates again. Furthermore, this design brings to heat the inner walls of the cabin structure, the possibility of this provided heating coils to heat the patient cabin to use yourself.

The subject matter of the invention is based on an exemplary embodiment below explained in more detail in the drawing. 1 shows an ambulance according to the invention, FIG. 2 shows a schematic representation of the patient cabin, FIG. 3 shows a second possible embodiment the patient cabin, also schematically, and FIG. 4 shows the storage of the heating coils on the cabin interior walls.

The ambulance vehicle shown has the driver's cab 1 and the adjoining, separate patient room 2.

All outer windows 3 of the patient room are installed airtight and germ-tight, while the entrance doors have seals that are impermeable to air and germs.

On the outside of the vehicle, there is a fan on the ceiling 4 of the patient room 2 5 provided that the outside air through a Lurt inlet germ filter 6 in the below patient room 2 with a low negative pressure. The outside air wanders through here a filter insert 7, which is in the flow circuit of a disinfectant liquid is switched on.

The latter consists for example of housed in a container 8 Formalin and is fed to the filter insert via a pump 9. After soaking the With the filter insert 7, the formalin flows through the collecting tube 10 into the container 8 return.

The air flowing into the patient's room is therefore sterile.

In order to avoid the risk of infection for outsiders, it is necessary to the used air enriched with germs before it escapes into the open air again to disinfect, i.e. to kill the germs. this happens in that the air is strongly heated before it escapes into the open air.

For this purpose, one of an air intake port leads from the floor 11 of the patient room 12 outgoing pipeline 13 to vehicle engine 14.

The connection point of the pipeline 13 to the vehicle engine 14 is chosen so that a three-way valve 15 is necessary for the fuel mixture Amount of air either through the usual vehicle engine air filter 16 or through the Pipeline leading to the breathing air of the patient's room enriched with germs 13 is sucked in.

The latter happens when infectious patients are transported in the patient room. will.

The air sucked in from the space by the engine becomes with the fuel mixed and burned.

This disinfection of the breathing air has the advantage that during the No contaminated breathing air can get into the open air during transport.

After the infectious patients have been transported, however, the Necessity before a new transport, for example of patients with a other infectious disease, the patient cabin to avoid infection after disinfecting.

The device used for this is shown schematically in FIG.

In the patient cabin 2, a pipe 17 is provided which Fixed nozzles 18 and movable spray nozzles at various points in the room 2 19 has.

The pipe 17 goes from a disinfectant storage container 20 from, from which the disinfectant by means of a pump 21 into the pipeline 17 is pumped. A heat source is located between the pump 21 and the nozzles 18, 19 22 interposed, which heats the disinfectant.

The heated disinfectant is through the nozzles 18, 19 in the Sprayed and disinfected the latter thoroughly.

After condensation, the disinfectant then collects again on the floor 11 of the patient cabin, which is designed so that the captured Disinfectant liquid runs towards a point. This lowest point on the ground 11 is provided with a drain 23, which in turn opens into the container 20.

In this way there is an uninterrupted cycle of the disinfectant of spraying, condensing, collecting and re-spraying possible, whereby the reservoir can be kept relatively small.

Figure 3 shows a further favorable possibility, the patient room 2 for post-disinfection.

The schematic representation in Figure 3 shows that the interior walls of the patient room 24, 25 and the bottom 11 'are provided with heating coils 26.

A liquid flows through these heating coils, which Seated below the floor 11 ′ in a heating unit 27 and via a pump 28 is brought into the Keiz cycle. The heating unit 27 can optionally from the vehicle heater be formed.

This wall heating brings a good evaporation of the injected Disinfectant, which can either be injected from the outside, or via the spray nozzle system, not shown here, according to FIG. 2.

In order to keep the interior walls of the patient cabin smooth, lie down the heating coils 26 are not free on the surface of the walls 24, 25 or llt, but they are embedded in a hidden way. This embedding is illustrated in FIG namely in the area of the bottom 11 '.

First of all, there is a heat-insulating bed insulation above the floor 11 ' 29 arranged, on which a second bed insulation 30 lies. In this too thermal insulation 30, the heating coils 26 are seen in the pipe cross section less than half a.

The predominant pipe cross-section protrudes into a layer 31, which us granules and powder of thermally conductive substances, such as aluminum.

By this arrangement it is achieved that the through the channels 32 conducted heating fluid to the outside of the vehicle, i.e. in this case to the bottom 11 ' insulated and into the cabin interior is emitted. In order to achieve good radiation, there is 31 over the layer noxen a surface covering 32 'is provided which ribs 33 made of suitable material for strong heat radiation.

Claims (5)

Expectations 1. Ambulance vehicle with separated from the driver's cab, to the outside aseptically sealed and ventilated patient cabin, characterized in that that in the patient cabin (2) several, with a disinfectant storage container (20) connected spray nozzles (18, 19) are installed. 2-ambulance vehicle according to claim 1, characterized in that that the spray nozzles (18, 19) connected in series by means of a pressure pump (21) are fed with the disinfectant and the floor (11) of the patient cabin, under which the disinfectant storage container (20) is arranged, a has a drain (23) opening into the disinfectant storage container (20). 3 ambulance vehicle according to claims 1 and 2> thereby characterized in that one part (18) of the nozzles is stationary and another part (19) is movable, for example in the form of a Segner water wheel; trained st. 4. Ambulance vehicle according to claim 1, characterized in that that there is a heat source in the feed line (17) for the disinfectant (22) is located. 5. Ambulance vehicle with separated from the driver's cab, to the outside Aseptically closed and ventilated patient cabin, in particular according to claim 1, characterized in that in the walls (24, 25 or llt) of the patient cabin '(2) Heating coils (26) are embedded.