[특허]Superconducting medical cyclotron

[미국특허] Superconducting medical cyclotron 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H05H-013/00
출원번호	US-0604089 (1984-04-26)
발명자 / 주소	Blosser Henry G. (East Lansing MI) Burleigh Richard J. (Berkeley CA) Blosser Gabe F. (Haslett MI) Jemison Emanuel B. (Kalamazoo MI)
출원인 / 주소	Board of Trustees operating Michigan State University (East Lansing MI 02)
인용정보	피인용 횟수 : 55 인용 특허 : 2

초록 ▼

An improved superconducting cyclotron (10) particularly useful for medical or therapeutic purposes is described. The vessel (105) for liquified gas surrounding superconducting coils (101, 101a) is provided with a capillary tube (200) joined to a semi-circular tube (123) leading into an exit tube (201) from the vessel which provides Joule-Thompson effect cooling upon flow of a portion of the liquified gas in the vessel into the semi-circular tube. The cooling maintains the liquified gas in the vessel in a subcooled condition to prevent boiling. The liquified gas from the exit tube can be used to cool the magnetic poles (103, 104) and then can be vented to the atmosphere or recycled. A special external magnetic yoke (102) configuration for weight reduction is described. Also described is a flexible hose (37) for supplying the liquified gas to and from the cyclotron which is mounted in a helical coil so as to allow up to a 360°of rotation of the cyclotron. Finally a movable floor (27) around the cyclotron is described.

대표청구항 ▼

In a superconducting cyclotron apparatus which generates a beam of high velocity particles comprising atomic particles and subparticles thereof to be directed at an object to be irradiated from spirally accelerated charged particles around a cyclotron axis which form the beam or which impinge upon a target to produce the beam and including inlet and outlet conduit means for supplying and removing liquified gas to and from a vessel around superconducting coils supplied by electrical leads inside the vessel which pass around spaced apart iron poles so as to generate a magnetic field between the poles when current is supplied to the coils and which function to produce the spirally accelerated charged particles with an oscillatory electrical field, the improvement which comprises: a Joule-Thompson effect constricted capillary tube leading to a semi-circular tube adjacent to and in heat transfer relationship with both coils and the liquified gas in the vessel, with the semi-circular tube connected to an exit tube from the vessel and cyclotron, wherein in operation of the cyclotron liquified gas is at an elevated pressure P1 in the vessel and a portion of the liquified gas in the vessel flows through the capillary tube and expands into the semi-circular tube at a pressure P2 lower than P1 thus cooling the semicircular tube and thus the liquified gas in the vessel and the coils and then the liquified gas is removed through the exit tube, and wherein the cooled semi-circular tube subcools the liquified gas in the coil vessel thus preventing the formation of bubbles in this vessel due to heat flowing into the liquified gas in the vessel along the electrical leads supplying current to the coils.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

Nunan ; Craig S., Neutron irradiation therapy machine.
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Blosser Henry G. (East Lansing MI) Johnson David A. (Williamston MI) Riedel Jack (East Lansing MI) Burleigh Richard J. (Berkeley CA), Rotatable superconducting cyclotron adapted for medical use.
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이 특허를 인용한 특허 (55) 인용/피인용 타임라인 분석

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Stark, James M.; Rosenthal, Stanley J.; Wagner, Miles S.; Ahearn, Michael J., Applying a particle beam to a patient.
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Stark, James M.; Rosenthal, Stanley J.; Wagner, Miles S.; Ahearn, Michael J., Applying a particle beam to a patient.
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Gall, Kenneth, Charged particle radiation therapy.
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Gall, Kenneth; Rosenthal, Stanley; Row, Gordon; Ahearn, Michael, Charged particle radiation therapy.
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Jones, Mark R.; Robinson, Mark; Franzen, Ken Yoshiki, Coil positioning system.
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Zwart, Gerrit Townsend; Jones, Mark R.; Cooley, James, Collimator and energy degrader.
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Smith Gerald A. ; Lewis Raymond A. ; Howe Steven D., Container for transporting antiprotons.
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Gerald A. Smith ; Raymond A. Lewis ; Steven D Howe, Container for transporting antiprotons and reaction trap.
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Smith, Gerald A.; Lewis, Raymond A.; Howe, Steven D., Container for transporting antiprotons and reaction trap.
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Gall, Kenneth P.; Rosenthal, Stanley; Sobczynski, Thomas C.; Molzahn, Adam C., Control system for a particle accelerator.
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Gall, Kenneth P.; Zwart, Gerrit Townsend; Van der Laan, Jan; Molzahn, Adam C.; O'Neal, III, Charles D.; Sobczynski, Thomas C.; Cooley, James, Controlling intensity of a particle beam.
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Gall, Kenneth P.; Rosenthal, Stanley J.; Sobczynski, Thomas C.; Molzahn, Adam C.; O'Neal, Charles D.; Cooley, James, Controlling particle therapy.
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Gall, Kenneth P.; Rosenthal, Stanley; Sobczynski, Thomas C.; Molzahn, Adam C.; O'Neal, III, Charles D.; Cooley, James, Controlling particle therapy.
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Hashimoto, Atsushi, Cyclotron and superconductive electromagnet.
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Wilson Martin N. (Abingdon GB3) Finlan Martin F. (Aylesbury GB3), Cyclotron with yokeless superconducting magnet.
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Ruan, Chong-Yu; Berz, Martin; Tao, Zhensheng, Electron microscope.
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Traubenberg,George A.; Bakker,Steven M.; Chiu,Kuang Ping, Fluid treatment system and radiation source module for use therein.
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Gall, Kenneth P.; Zwart, Gerrit Townsend; Van der Laan, Jan; O'Neal, III, Charles D.; Franzen, Ken Yoshiki, Focusing a particle beam.
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Zwart, Gerrit Townsend; Gall, Kenneth P.; Van der Laan, Jan; O'Neal, III, Charles D.; Franzen, Ken Yoshiki, Focusing a particle beam using magnetic field flutter.
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Antaya, Timothy A., High-field superconducting synchrocyclotron.
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Antaya, Timothy A., High-field synchrocyclotron.
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Gall, Kenneth P.; Rosenthal, Stanley J.; Row, Gordon D.; Ahearn, Michael J., Inner gantry.
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Gall, Kenneth P.; Rosenthal, Stanley; Row, Gordon D.; Ahearn, Michael J., Inner gantry.
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Gall, Kenneth; Rosenthal, Stanley; Row, Gordon; Ahearn, Michael, Inner gantry.
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Gall, Kenneth; Rosenthal, Stanley; Row, Gordon; Ahearn, Michael, Inner gantry.
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Gall, Kenneth P.; Zwart, Gerrit Townsend, Interrupted particle source.
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Gall, Kenneth; Zwart, Gerrit Townsend, Interrupted particle source.
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Amaldi, Ugo; Braccini, Saverio; Magrin, Giulio; Pearce, Peter; Zennaro, Riccardo, Ion acceleration system for medical and/or other applications.
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Timmer, Jan Hein; Goebel, Holger; Schmidt, Stefan; Heese, Juergen; Schillo, Michael, Irradiation device.
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Antaya, Timothy A.; Radovinsky, Alexey L.; Schultz, Joel H.; Titus, Peter H.; Smith, Bradford A.; Bromberg, Leslie, Magnet structure for particle acceleration.
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Nakanishi Noriyoshi,JPX ; Wakase Shuichiro,JPX ; Karasawa Takashi,JPX, Magnetic field adjusting center rods for cyclotron a magnet for cyclotron, and cyclotron.
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Wilson Martin N. (Abingdon GB2) Kruip Marcel J. M. (Oxford GB2), Magnetic field generating assembly.
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Gall, Kenneth P.; Zwart, Gerrit Townsend; Van Der Laan, Jan; Franzen, Ken Yoshiki, Magnetic field regenerator.
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Zwart, Gerrit Townsend; Van der Laan, Jan; Gall, Kenneth P.; Sobczynski, Stanislaw P., Magnetic shims to alter magnetic fields.
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O'Neal, III, Charles D.; Molzahn, Adam C.; Vincent, John J., Matching a resonant frequency of a resonant cavity to a frequency of an input voltage.
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Mastrangeli,Edward J.; Johns,Nevin R.; Smith,Roger Deane; Erickson,Timothy E., Method and apparatus for maintaining alignment of a cyclotron dee.
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Amini Behrouz, Method and machine for enhancing generation of nuclear particles and radionuclides.
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Zwart, Gerrit Townsend; O'Neal, III, Charles D.; Franzen, Ken Yoshiki, Particle accelerator that produces charged particles having variable energies.
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Nakanishi Tetsuya,JPX ; Sato Shinji,JPX ; Maruyama Akihiko,JPX ; Matsuda Tetsuya,JPX ; Tsukishima Chihiro,JPX ; Tanaka Hirofumi,JPX, Particle beam irradiation apparatus.
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Zwart, Gerrit Townsend; Cooley, James; Franzen, Ken Yoshiki; Jones, Mark R.; Li, Tao; Busky, Michael, Particle beam scanning.
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Bouchet, Lionel G.; Rakes, Richard Bruce, Patient positioning system.
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Sliski, Alan; Gall, Kenneth, Programmable radio frequency waveform generator for a synchrocyclotron.
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Sliski, Alan; Gall, Kenneth, Programmable radio frequency waveform generator for a synchrocyclotron.
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Sliski, Alan; Gall, Kenneth, Programmable radio frequency waveform generator for a synchrocyclotron.
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Sliski, Alan; Gall, Kenneth, Programmable radio frequency waveform generator for a synchrocyclotron.
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Sliski,Alan; Gall,Kenneth, Programmable radio frequency waveform generator for a synchrocyclotron.
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Hagino, Takeshi; Otani, Hiroshi, Rotating irradiation apparatus.
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Marsing Helmut (Neunkirchen DEX) Jahnke Andreas (Forchheim DEX), Synchrotron radiation source having adjustable fixed curved coil windings.
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A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Superconducting medical cyclotron 원문보기