1. A testing system for testing a negative pressure wound therapy apparatus of the type including a wound dressing adapted for positioning over a wound and a negative pressure source, the testing system comprising:
a simulated wound having a housing and a wound cavity within the housing, the wound cavity having a shape and dimension representative of an actual wound type, and adapted to accommodate the wound dressing of the negative pressure wound therapy apparatus positioned there over;
a negative pressure conduit in fluid communication with the wound cavity and connectable to the negative pressure source of the negative pressure wound therapy apparatus;
at least one sensor adapted to record at least one parameter within the simulated wound;
an air leak model having a valve in fluid communication with the wound cavity, the valve being controllable to introduce atmospheric air to simulate an air leak within the wound cavity; and
an exudates model having an exudates bath disposed in fluid communication with the simulated wound.
2. The testing system according to claim 1 including a computer coupled to the at least one sensor for recording and analyzing data recorded by the at least one sensor to thereby providing an indication of functioning of the system.
3. The testing system according to claim 1 including a fluid source in fluid communication with the wound cavity for delivering fluid to the wound cavity to simulate presence of exudates.
4. The testing system according to claim 1 wherein the exudates bath is adapted to supply at least one of exudates and fluid to the simulated wound.
5. The testing system according to claim 4 wherein the wound cavity of the simulated wound is configured and dimensioned to simulate at least one of the following types of wounds: a small dry wound, a small wet wound, a large dry wound, a large wet wound, and a tunneling wound, wherein the wet and dry characteristics arc controlled by fluid or exudates flow from the exudates bath.
6. The testing system according to claim 4 including a container in fluid communication with the negative pressure conduit and the negative pressure source to collect fluids or exudates removed from the wound cavity.
7. The testing system according to claim 6 wherein the container includes a fill sensor configured to detect a volume of fluids or exudates collected within the container.
8. The testing system according to claim 1 including a peristaltic pump operably associated with the exudates bath to maintain pressure therein and to provide desired pressure conditions for simulation purposes.
9. The testing system according to claim 1 wherein the housing of the simulated wound is constructed from at least one of the following materials: polycarbonate, metals, and plastics.
10. The testing system according to claim 1 wherein the wound cavity of the simulated wound is configured to remain rigid under pressure.
11. The testing system according to claim 1 wherein the wound cavity of the simulated wound is configured to collapse in order to simulate flexibility of human tissue in a clinical setting.
12. The testing system according to claim 1 wherein the negative pressure conduit includes a control valve for enabling a user to control the negative pressure source.
13. The testing system according to claim 1 including a plurality of negative pressure sources, each pressure source having individual control valves interchangeably connected to the negative pressure conduit to perform various tests and evaluate efficiency of the plurality of negative pressure sources.
14. The testing system according to claim 1 wherein the at least one sensor includes an oxygen sensor, a pressure sensor, a light sensor, a humidity sensor, a temperature sensor, and a bacterial level indicator.
15. The testing system according to claim 1 wherein the valve of the air leak model is controlled automatically through a valve control circuit to maintain a preset user selected flow rate.
16. The testing system according to claim 1 including a user interface configured to enable a user to monitor and adjust testing parameters.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A fixing device for an oil cooler in a vehicle, in which the oil cooler is fixed in an oil cooler receiving element, characterized in that there is a latching connection between oil cooler receiving element and oil cooler.
2. The fixing device as claimed in claim 1, characterized in that the latching connection comprises a latching means which is on the side of the oil cooler receiving element and engages in a latching receiving element on the side of the oil cooler.
3. The fixing device as claimed in claim 2, characterized in that the latching means and the latching receiving element form a clip connection, the clip connection being releasable in particular in a non-destructive manner.
4. The fixing device as claimed in claim 1, characterized in that the latching connection is kept pretensioned in a desired position by an energy store.
5. The fixing device as claimed in claim 4, characterized in that the spring store is formed from a material tongue which is formed on the latching receiving element.
6. The fixing device as claimed in claim 4, characterized in that the spring store is divided in a dovetailed manner for additional alignment in a further direction.
7. The fixing device as claimed in claim 1, characterized in that the oil cooler receiving element is of U-shaped design, with a respective latching connection being formed on both limbs of the U-shape.
8. The fixing device as claimed in claim 7, characterized in that the introduction of the oil cooler into the oil cooler receiving element results in the limbs of the U-shape spreading out, which is at least reduced with production of the latching connection.
9. The fixing device as claimed in claim 7, characterized in that, in the installation position of the oil cooler receiving element, the limbs are spaced apart vertically from one another and are preferably aligned in the longitudinal direction of the vehicle.
10. The fixing device as claimed in claim 1, characterized in that the oil cooler receiving element is fixed on the vehicle side, with the fixings preferably being adjustable in position.
11. The fixing device as claimed in claim 1, characterized in that the oil cooler receiving element is made of plastic.