What is claimed is:
1. A flow system device used for creating fluid flow, said system comprising:
at least one fluid filled loop;
a rotor stage for maintaining at least one rotor, said loop positioned on said rotor;
a driving motor for rotating said rotor stage; and
a motion controller for controlling the speed and directional motion of said motor.
2. The flow system device of claim 1 further comprising a measurement system to record and calculate desired properties of the fluid within said at least one loop.
3. The flow system device of claim 1 wherein a vascular prosthesis is placed within the tube.
4. The flow system device of claim 3, wherein said vascular prosthesis is a stent or graft.
5. The flow system device of claim 1 wherein the created fluid flow is bidirectional.
6. The flow system device of claim 1 wherein the loop includes a one way valve.
7. The flow system device of claim 1 wherein the system included six rotors with six corresponding fluid filled loops.
8. The flow system device of claim 1 wherein the fluid is blood.
9. The flow system device of claim 1 wherein the stents are coated with gold or stainless steel.
10. The flow system device of claim 1 wherein the fluid flow within the loop is controllable such that thrombotic signal is created.
11. The flow system device of claim 1 wherein the fluid flow within the loop is controllable such that the effects of background noise is minimized.
12. A method of creating fluid flow, said method comprises:
providing a fluid flow system including at least one loop, a rotor stage for maintaining at least one rotor, the loop positioned on the rotor, a driving motor for rotating the rotor stage and, a motion controller for controlling the speed and directional motion of the motor;
filling the at least one loop with fluid which is to be tested;
controlling the motor to obtain the desired motion of the fluid within the tube;
measuring the desired effects of the fluid flow.
13. The method of claim 12 wherein the fluid flow system further includes a measurement system to record and calculate desired properties of the fluid flow within the loop.
14. The method of claim 12 wherein the fluid is blood.
15. The method of claim 12 wherein a vascular prosthesis is maintained within the tube.
16. The method of claim 15 wherein the vascular prosthesis is a stent or graft.
17. The method of claim 15 wherein the thrombotic effect of the vascular prosthesis on the blood is measured.
18. The method of claim 12 wherein the fluid flow is controlled such that the fluid flow begins, stops and begins to mimic the flow of blood due to the pumping of a heart.
19. A connector for connecting opposing ends of a tube, said connector comprises:
a section of tubing to be positioned over the two opposing ends of a tube, and
an elastic sleeve to be placed over said section of tubing such that the two ends of the tube are in axial alignment.
20. The connector of claim 15 wherein the inside diameter of the section of tubing is approximately the same as the outer diameter of the tube.
21. The connector of claim 15 wherein the elastic sleeve provides radial compression on the section of tubing.
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 squib including a cup body and a header for holding a plurality of electrode pins insulated from one another and closing the opening of said cup body, and further including, in said cup body, ignition powder and an SCB chip connected to said electrode pins for igniting said ignition powder by externally applying electric current, said SCB chip consisting of a substrate and a thin film resistor formed on its upper surface, and a capacitor electrically connected to said electrode pins in parallel with the thin film resistor of said SCB chip, characterized in that said capacitor is arranged above said header, and said SCB chip is directly mounted on said capacitor so that the thin film resistor on said SCB chip and said capacitor are electrically connected through electrodes provided on the substrate of said SCB chip, and that the size of said SCB chip is smaller than that of the capacitor.
2. The squib as claimed in claim 1, characterized in that electrically connecting means for connecting said SCB chip and said capacitor is solder or conductive paste.
3. The squib as claimed in claim 2, characterized in that the upper and side surfaces andor bottom surface of the substrate of said SCB chip is provided with top and side electrodes andor bottom electrodes, and the electrical connection of said SCB chip and said capacitor is via said side electrodes andor said bottom electrodes.
4. The squib as claimed in claim 3, characterized in that said side electrodes are side through-hole electrodes.
5. The squib as claimed in claim 3, characterized in that said top electrodes and said bottom electrodes are connected by through-electrodes provided in said substrate.
6. The squib as claimed in claim 1, characterized in that said SCB chip and said electrode pins are electrically connected through capacitor electrodes connected to said SCB chip and indirectly through solder or conductive paste.
7. The squib as claimed in claim 1, characterized in that said SCB chip and said electrode pins are electrically connected directly through wire bonding connected to end electrodes of said thin film resistor.
8. The squib as claimed in claim 1, characterized in that said header is formed with a recess of a depth corresponding to the thickness of said capacitor with said SCB chip at a region of said header onto which said capacitor with said SCB chip is mounted so that the height of said SCB chip is equalized with the height of the header around said capacitor with said SCB chip except for the region on which said capacitor with said SCB chip is mounted.
9. A gas generator for an air bag using the squib claimed in claim 1.
10. A gas generator for a seat belt pretensioner using the squib claimed in claim 1.
11. The squib as claimed in claim 5, characterized in that said SCB chip and said electrode pins are electrically connected through capacitor electrodes connected to said SCB chip and indirectly through solder or conductive paste.
12. The squib as claimed in claim 11 characterized in that said SCB chip and said electrode pins are electrically connected directly through wire bonding connected to end electrodes of said thin film resistor.
13. The squib as claimed in claim 12, characterized in that said header is formed with a recess of a depth corresponding to the thickness of said capacitor with said SCB chip at a region of said header onto which said capacitor with said SCB chip is mounted so that the height of said SCB chip is equalized with the height of the header around said capacitor with said SCB chip except for the region on which said capacitor with said SCB chip is mounted.
14. A gas generator for an air bag using the squib claimed in claim 13.
15. A gas generator for a seat belt pretensioner using the squib claimed in claim 13.
16. A squib including a cup body and a header for holding a plurality of electrode pins insulated from one another and closing the opening of said cup body, and further including, in said cup body, ignition powder and an SCB chip connected to said electrode pins for igniting said ignition powder by externally applying electric current, said SCB chip consisting of a substrate and a thin film resistor formed on its upper surface, and a capacitor electrically connected to said electrode pins in parallel with the thin film resistor of said SCB chip, characterized in that said capacitor is arranged above said header, and said SCB chip is directly mounted on said capacitor so that the thin film resistor on said SCB chip and said capacitor are electrically connected through electrodes provided on the substrate of said SCB chip, and that the size of said SCB chip is smaller than that of the capacitor, and further characterized in that the upper and side surfaces or bottom surface of the substrate of said SCB chip is provided with top and side electrodes andor bottom electrodes, and the electrical connection of said SCB chip and said capacitor is via said side electrodes or said bottom electrodes.
17. The squib as claimed in claim 16, characterized in that said SCB chip and said electrode pins are electrically connected through capacitor electrodes connected to said SCB chip and indirectly through solder or conductive paste.
18. The squib as claimed in claim 16, characterized in that said SCB chip and said electrode pins are electrically connected directly through wire bonding connected to end electrodes of said thin film resistor.
19. The squib as claimed in claim 16, characterized in that said header is formed with a recess of a depth corresponding to the thickness of said capacitor with said SCB chip at a region of said header onto which said capacitor with said SCB chip is mounted so that the height of said SCB chip is equalized with the height of the header around said capacitor with said SCB chip except for the region on which said capacitor with said SCB chip is mounted.
20. A squib including a cup body and a header for holding a plurality of electrode pins insulated from one another and closing the opening of said cup body, and further including, in said cup body, ignition powder and an SCB chip connected to said electrode pins for igniting said ignition powder by externally applying electric current, said SCB chip consisting of a substrate and a thin film resistor formed on its upper surface, and a capacitor electrically connected to said electrode pins in parallel with the thin film resistor of said SCB chip, characterized in that said capacitor is arranged above said header, and said SCB chip is directly mounted on said capacitor so that the thin film resistor on said SCB chip and said capacitor are electrically connected through electrodes provided on the substrate of said SCB chip, and that the size of said SCB chip is smaller than that of the capacitor, and further characterized in that said electrode pins are electrically connected directly through wire bonding connected to end electrodes of said thin film resistor, and further characterized in that said header is formed with a recess of a depth corresponding to the thickness of said capacitor with said SCB chip at a region of said header onto which said capacitor with said SCB chip is mounted so that the height of said SCB chip is equalized with the height of the header around said capacitor with said SCB chip except for the region on which said capacitor with said SCB chip is mounted.