Medical apparatus and x-ray high voltage apparatus

17 Pages·2014·1.18 MB·English

US 20140233708A1
(19) United States
(12) Patent Application Publication (10) Pub. No.: US 2014/0233708 A1
ISHIYAMA et al. (43) Pub. Date: Aug. 21, 2014
(54) MEDICAL APPARATUS AND X-RAY HIGH (30) Foreign Application Priority Data
VOLTAGE APPARATUS
Sep. 11,2012 (JP) ............................... .. 2012-199659
(71) ApplicantszKABUSHIKI KAISHA TOSHIBA, P bl. t. Cl .? t.
Minato-ku (JP); TOSHIBA MEDICAL “ m 1°“ as“ ca 1°“
SYSTEMS CORPORATION, (51) Int_ CL
Otawara-Shl (JP) H05G 1/54 (2006.01)
_ . . . (52) US. Cl.
(72) Inventors' CPC ..................................... .. H05G 1/54 (2013.01)
’ ’ USPC ........................................................ .. 378/207
(73) Assignees: KABUSHIKI KAISHA TOSHIBA, (57) ABSTRACT
Mmato'Ku (JP); TOSHIBA MEDICAL A medical apparatus includes a power device, a temperature
SYSTEMS CORPORATION, sensor, a conversion processing unit and a prediction time
Otawara'Shl (JP) period calculation unit. The temperature sensor detects tem
perature data. The conversion processing unit refers to tem
(21) Appl_ No, 14/263,173 perature data obtained by the temperature sensor in a table in
which at least one of temperature data for inside a case cov
ering the power device and temperature data for a wire
(22) Filed: Apr- 28, 2014 bonded to the power device is associated with data of actually
measured temperatures, and obtains at least one of the tem
. . perature data for inside the case and the temperature data for
Related U's' Apphcatlon Data the wire. The prediction time period calculation unit calcu
(63) Continuation of application No. PCT/JP2013/073834, lates a prediction time period until a failure of the power
?led on Sep. 4, 2013. device based on the obtained temperature data.
1,1 1 1A
7 ..-.
2 5
X-RAY 1 2
HIGH VOLTAGE15— !
APPARATUS ZI i_l _M_A_G__E_ _P__R_O_C__E_S_S__I_N_G_ __D EVI_C_E__ ________ _.
I
28
|
ROTARY
I
DRIVING ‘51
|
I
| DISPLAY
i
DEVICE
i
l
32:
1
I
CONT—
ROLLER
Patent Application Publication Aug. 21, 2014 Sheet 1 0f9 US 2014/0233708 A1
_ _S~ _ _ _ _ _ _ m m; m m _ _ _ _ _ _
mw
$555
mime
EA:IsVz
NP
5A:W
cmwu
Patent Application Publication Aug. 21, 2014 Sheet 2 0f 9 US 2014/0233708 A1
i.._
_ M _ h @ _ W _
NdE
Mg-i
muewww
now
mww
Patent Application Publication Aug. 21, 2014 Sheet 3 0f 9 US 2014/0233708 A1
\
JJJJJ
FIG.3
Patent Application Publication Aug. 21, 2014 Sheet 4 0f 9 US 2014/0233708 A1
264 N266
82 d1 W263
/ ~261
FIG.4
Patent Application Publication Aug. 21, 2014 Sheet 5 0f 9 US 2014/0233708 A1
m.Q......................................................-........... .......... i
@Q..................i................................... ................................... ..........................i..........................
w
mm
i. wEN
m__
1_‘.“..1.HHHHHMHHHHHHHHHHH1HHHHHHHHHHHHHHHHHH.H....H....H. ...H .1H........H........H........ ......
mn=2:
M"NNmMMEg N_w n \\ \ m@:pn2:
mmm
@“n2F2295 0
_::M22 1::3 2 %
_®Hw mzaazéé?o m nm_ w“nZ“1Q28C:B25 E2%E 8 Mm::m:222::: mnEna2:2Us8 3
nmnnD5.. 0 2
mUnn2a23ss5%:
$"W3\\\n\\\\2\58 mwmmm5wugi9éswHi:m562cs3? 5 m 2 m25i 8é w z?
02z:2n2o_22c2j52a35:é5 o8
W“£@£“£££mE8888383.N.
<_P.
_8_m2$A_a5:iA 55l5;5T 8}
W. 2$:E5525l2:%
Patent Application Publication Aug. 21, 2014 Sheet 6 0f 9 US 2014/0233708 A1
Tc
TCEMPAERSATUERE
TIME
FIG.6
Patent Application Publication Aug. 21, 2014 Sheet 7 0f 9 US 2014/0233708 A1
Tw
WTEMIPERRATUERE
TIME
FIG.7
Patent Application Publication Aug. 21, 2014 Sheet 8 0f 9 US 2014/0233708 A1
N02
(AELCCONYOINoCUFFTnLNDEET)
N01
A T02 A T01
CASE TEMPERATURE AMPLITUDE(ATcn)
FIG.8
Patent Application Publication Aug. 21, 2014 Sheet 9 0f 9 US 2014/0233708 A1
Nw2
(ECCAOLYOaINCUFFnTLNDE)ET
ATwZ ATM
WIRE TEMPERATURE AMPLITUDE ( ATwo)
FIG.9