General Electric Cgr S.a.

General Electric Company

Ge Medical Systems Global Technology Company, LLC

Jean-Marie Penato

Michel Laurent

Frédéric Dahan

Gwenael Lemarchand

Philippe Thomas

Emile Gabbay

Philippe Blin

Thomas Saint-Martin

Pierre Noualhaguet

Christine Guerin

Pierre Fernand Habig

Thierry Godart

Isabelle Berangere Rouzou

Patrick Petit

Pascal Bonnafour

Thierry Toledo

Yves Debrouwer

A medical imaging system including a support, an X-ray emitting tube, and, facing the latter, a detector, the X-ray emitting tube being intended to accept displacements relatively to at least one portion of the support, the system also including a remote piece of equipment providing circulation of an oil intended to provide cooling and electric insulation of the X-ray emitting tube on the one hand, pipes in which said oil circulates, connecting the remote piece of equipment and the X-ray emitting tube, and a device for dehydrating the oil on the other hand, wherein the dehydration device includes means positioned in the circuit through which the oil flows during normal use of said imaging system and which provide or maintain dehydration of said oil during this use.

Medical imaging system with a remote fluid coolant circulation pump relatively to its X ray emitting tube

A method for the manufacture of a cathode filament of an X-ray tube and an X-ray tube formed by the method wherein the filament has at least two legs and one body, the filament being a single-piece filament. Spraying at least one material on a support by plasma spraying or by another deposition technique to obtain the filament molded on the support and separating the filament obtained from the support. The filament obtained has a variable thickness and a variable composition. The thicknesses of the legs and of the body as well as the composition of the filament can be modified according to the user's needs.

Method for the manufacture of an X-ray tube cathode filament

A valve is provided to fill a chamber for holding a rotation shaft of a rotating anode in an X-ray tube. The valve has a needle supported on a seat. The needle maintains the vacuum in the tube. A sleeve can engage in the valve. The sleeve is hollow and has a cavity. This cavity can be connected to the vacuum or to a bottle under vacuum filled with a lubricant liquid. The sleeve is used to handle the needle. The sleeve furthermore bears on a rim of the valve by an O-ring joint. This joint maintains the vacuum when the needle is raised and when the tube under vacuum is connected to the cavity of the sleeve.

Radiation emission device having a bearing and method of manufacture

An X-ray emission device having an X-ray tube and a protective enclosure filled with an electrically insulating liquid in which the X-ray tube is placed. The device includes at least one chamber connected to the protective enclosure that traps and purges gas bubbles contained or dissolved in the liquid filling the protective enclosure.

Method and device for X-ray emission with gas trapping

The disclosure pertains to X-ray tubes and, more particularly, in these tubes, it pertains to rotating anodes. The disclosed anode for an X-ray tube has a body or substrate on which a target is formed by a layer of target material, wherein the body comprises at least two parts formed by a first material, these two parts being connected to each other by a layer of a second material having greater plasticity than that of the first material.

Anode for X-ray tubes with composite body

The disclosure concerns anodes for X-ray tubes. The disclosed anode for an X-ray tube has a body or substrate on which a target is provided by a layer of target material, wherein said anode comprises at least one layer that is interposed between said substrate and said target layer and is constituted by a material having greater plasticity than the material forming the substrate and the target material.

Anode for X-ray tubes

The apparatus is an anode for an X-ray tube which is rotated at high speeds during operation. The anode include a plate of refractory material with high mechanical strength. On both faces of the plate are fixed two blocks of light weight refractory material. One of the blocks is formed of several sub-blocks fixed to one another through brazing. A layer of X-ray emitting mattering is deposited on the outer surface of these sub-blocks.

Anode for X-ray tube with high mechanical strength

In an X-ray tube wherein the rotor is supported by passive magnetic bearings, the respective positions of which are such that the rotor is offset in the direction opposite that of the anode, the bearings are mounted on an elastic system which has the effect of compensating for the axial component of the weight of the rotor and of the anode should the tube be tilted.

Weight compensation device for X-ray tube comprising passive magnetic

A rotating anode for X-ray tube including a base body on which target is formed by the deposit of at least one layer of target material wherein said base body includes a first central section comprising at least to some extent a carbon-carbon composite material and a second part of monolithic graphite supporting target arranged at least partly at the periphery of the former with the two parts bound mechanically to one another by a means of interconnection, such as brazing at the junction point of the two parts.

Growing community of inventors

Les Essarts le Roi, France

Jean-Marie Penato