X-ray device and method of applying x-ray radiation

Patent metadata

Field	Value
Publication number	US-11075052-B2
Application number	US-201916585156-A
Country	US
Kind code	B2
Filing date	Sep 27, 2019
Priority date	Dec 7, 2018
Publication date	Jul 27, 2021
Grant date	Jul 27, 2021

Abstract

The present disclosure provides an x-ray device including a housing configured to provide a vacuum therein, a cathode arranged inside the housing and configured to emit electrons, an anode arranged inside the housing and configured to produce x-ray radiation when impacted by electrons emitted by the cathode, and a converter configured to convert the x-ray radiation produced by the anode into monochromatic x-ray radiation, wherein the anode is configured to produce x-ray radiation in transmission and is arranged between the cathode and the converter. The present disclosure may be used in medical imaging, therapy, spectroscopy, and the like. Geometries and configurations may be improved compared to previously known x-ray devices when it comes to requirements for space, materials used, complexity of electrical wiring, distance between cathode and anode, and providing supplementary functions.

First claim

The invention claimed is:

1. An x-ray device comprising:
a housing configured to provide a vacuum therein;
a cathode arranged inside the housing and configured to emit electrons;
an anode arranged inside the housing and configured to produce x-ray radiation when impacted by electrons emitted by the cathode;
a transmission body having a material transparent to x-ray radiation; and
a converter arranged inside the transmission body, wherein the converter is configured to convert the x-ray radiation produced by the anode into monochromatic x-ray radiation,
wherein the anode is configured to produce the x-ray radiation in transmission and is arranged between the cathode and the converter, and
wherein the converter is arranged in a curved form such that at least one lateral edge of the converter is in contact with the anode.

2. The x-ray device of claim 1 , further comprising:
a cooling device configured to cool the transmission body.

3. The x-ray device of claim 2 , wherein the cooling device is further configured to cool the anode.

4. The x-ray device of claim 1 , further comprising:
a cooling device configured to cool the anode.

5. The x-ray device of claim 1 , further comprising:
a cooling device configured to cool the converter.

6. The x-ray device of claim 5 , wherein the cooling device is further configured to cool the anode.

7. The x-ray device of claim 6 , wherein the cooling device is further configured to cool the transmission body.

8. The x-ray device of claim 1 , further comprising:
a heat conductor in contact with the converter or the transmission body.

9. The x-ray device of claim 1 , wherein the transmission body is arranged between the anode and the converter in contact with the anode and the converter.

10. The x-ray device of claim 1 , wherein the anode, the converter, and the transmission body are configured to rotate together around an axis of rotation to adjust which parts of the anode, the converter, and the transmission body are heated during use of the x-ray device.

11. The x-ray device of claim 10 , further comprising:
a heat conductor in contact with the converter or the transmission body.

12. The x-ray device of claim 11 , wherein the heat conductor is configured to rotate around the axis of rotation with the anode, the converter, and the transmission body.

13. The x-ray device of claim 1 , wherein the transmission body is arranged in contact with the anode.

14. The x-ray device of claim 13 , wherein the transmission body is arranged structurally separated from the converter.

15. The x-ray device of claim 13 , wherein the transmission body is arranged in contact with the converter.

16. A method of applying x-ray radiation by an x-ray device, the method comprising:
emitting electrons from a cathode of the x-ray device;
producing x-ray radiation with an anode of the x-ray device being impacted by the electrons emitted from the cathode;
converting the x-ray radiation produced by the anode into monochromatic x-ray radiation with a converter of the x-ray device, wherein the converter is arranged inside a transmission body having a material transparent to the x-ray radiation;
applying the monochromatic x-ray radiation; and
wherein the anode produces the x-ray radiation in transmission and is arranged between the cathode and the converter, and
wherein the converter is arranged in a curved form such that at least one lateral edge of the converter is in contact with the anode.

Assignees

• Siemens Healthcare Gmbh

Inventors

• Freudenberger Jörg
• Fritzler Anja
• Geithner Peter
• Hackenschmied Peter
• Weber Thomas

Classifications

• H01J35/116 Primary

  Transmissive anodes (acting as a window H01J35/186) · CPC title

• H01J2235/1295

  Contact between conducting bodies · CPC title

• H01J2235/1204

  of the anode · CPC title

• H05G1/025

  Means for cooling the X-ray tube or the generator · CPC title

• H05G1/04

  Mounting the X-ray tube within a closed housing · CPC title