Target recovering device

A recovery device and containment room technology, which is applied to irradiation devices, targets used to generate nuclear reactions, radiotherapy, etc., can solve the problems of difficulty in recovering target parts and the lack of consideration of target part recovery, and achieve the effect of easy recovery

Inactive Publication Date: 2009-09-02
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, in conventional devices, recovery of the target was not taken into account, and it wa

Method used

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no. 2 Embodiment approach

[0054] refer to Figure 12 , and the target recovery device according to the second embodiment will be described. Figure 12 It is a perspective view showing the connection mechanism of the target recovery device according to the second embodiment at the center. In the second embodiment, compared with the first embodiment, mainly the connection mechanism 53 for detachably connecting the target device 51 to the beam duct 11 is different. Therefore, in the description of the target recovery device according to the second embodiment, differences will be mainly described, and the same elements and members will be given the same reference numerals as those in the first embodiment, and description will be omitted.

[0055]The target device 51 includes a target holder 51a in which the target 6 is fixed. The target holder 51a is provided with a connection short pipe 51b connected to the bundle pipe 11, and a copper pipe 51c for introducing or discharging cooling water is wound aroun...

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Abstract

The present invention provides a target recovering device capable of easily recovering target parts of neutron generating device. A neutron speed reducer (7) has a containing chamber (8a) containing the target device (5), which has a target (6). The neutron speed reducer (7) moves relative to a beam tube (11), the target device (5) exposes from the containing chamber (8a). A recovering container (43) is configured below the target device (5) to relieve connection of a main connection mechanism (13) connecting the target device and the beam tube (11) freely. Therefore the target device relived from the beam tube (11) is dropped, and is contained into the recovering container (43). As a result, the target (6) and the target device (5) may be dissembled and easily recovered.

Description

technical field [0001] The present invention relates to a target recovery device for recovering a target portion from a neutron generator including a target portion that generates neutrons by being irradiated with accelerated particles such as protons. Background technique [0002] In cancer treatment and the like, radiation therapy is highly evaluated. In particular, neutron capture therapy (NCT: Neutron Capture Therapy) has attracted attention due to its possibility of selective treatment at the cellular level in principle. In NCT, when neutrons are irradiated, stable isotope elements such as heavily charged particles that generate short range and high LET (Linear Energy Transfer) are taken into the cancer cells to be treated in advance. Then, by irradiating neutrons, only cancer cells are selectively destroyed by scattering heavy charged particles. The stable isotopes used in NCT are those that react with neutrons to produce highly charged charged particles with high LE...

Claims

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Application Information

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IPC IPC(8): H05H6/00H05H3/06G21K5/08A61N5/10
CPCA61N2005/109A61N5/1001A61N2005/1022G21K5/04H01J37/3414H05H6/00
Inventor 矢岛晓
Owner SUMITOMO HEAVY IND LTD
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