1 1-1 (1) 150ml 500ml/ 1-1
() 1-1 1-0.0.5mm 114mm 1- ( )
()
4 AES 1000rpm 10 AES -1 - (0.04100 g cm)
5-1AES -
6 L B M t 98000 t = M pl ( ) B g& m t m = g& 7.0 - L= B =. -7.0
7 0mm -4-4
8 500ml 1ml/h 00ml/h h h h p p 1 p =998 kg/m g d=1.mml=0.67m 1.mm valve tube h p -5 p 1 =p p 1 + rgh = p l Dp = rgh - l d l + l d r v r v + Dp =110 - Pa s Q ml/h 16pdm l = Qr
9-6 p -6
10-7 (cerebral ventrcle)(pertonum) O p O o p p l h d p o -7
11 V(t) Q() d v(t) dv dt pd = Q - v (1) 4 V 4 V = p () ()(1) d dt æ 1 pd ö = ç Q - v () 4p è 4 ø v p p o g h p l v p + rgh = p o l + l d r v + Dp ( p - p + rgh - Dp) d o v = (4) llr 64 16pd m l = = (5) e Q r (4) p r b d = ar + (6) r
1 (r= o )=0 o o b 0 = a + b -a o = (7) (7)(6) r r r r o o - = - = a a a d (8) () ø ö ç ç è æ - - + = - 1 1 G p b a n n ø ö ç ç è æ + - + = - 1 1 o G a a n n ïþ ï ý ü ïî ï í ì ø ö ç ç è æ + - + = - 1 1 o G n n a (9) t old 8 ( ) ( ) t dt d old o old D = - = a d t dt d o D - = - a (10) ïþ ï ý ü ïî ï í ì ø ö ç ç è æ + - + D - = 1 1 o o t dt d G p n n (11) (4)() ø ö ç ç è æ - D + - - = p gh p p l d d Q dt d o r r l p p 4 4 1 (1) (11) p t
1 G=4.14 kpa (4) G h=0.7 m l=1 md=1. mm o =7.5 cm=110 - Pa s=110 kg/m Q=500 ml/day =0.4 =.5 cm 69.94641 Pa197.17 600 Pa 77.6887 Pa05.16587 Pa (5) p =69.946 Pa p o =05.16 Pa() p t G -1
14 G t - G - G
15-1 G - G G 0 - G=000Pa G=000Pa G=4000Pa =0.4 0.49 h=0.7 ml=1 md=1. mmp o =05.16 Pa() o =7.5 cm=1 10 - Pa s=110 kg/m Q=500 ml/dayg=4.14 kpa p =69.946 Pa =.5 cm -4-5
16 p t -4 t -5
17 h p -6 l=1 md=1. mmp o =77.68 Pa o =15 cm=110 - Pa s=110 kg/m Q=500 ml/day=0.4g=4.14 kpap=1000 Pa p =69.946 Pa =5 cm h h 0.1 m 1000 Pa h p t -6 h
18 p v p h=0.7 m l=1 md=1. mmp =69.946 Pa o =7.5 cm=110 - Pa s=110 kg/m Q=500 ml/day=0.4g=4.14 kpa p o =05.16 Pa =.5 cm t=0 p p p=00 Pa p=450 Pa 4500 Pa (5) p 15 p p t -7
19 p t -8 v t -9 p
0 p v p h=0 ml=1 md=1. mmp o =77.68 Pa o =7.5 cm=110 - Pa s=110 kg/m Q=500 ml/day=0.4g=4.14 kpa p =69.946 Pa =.5 cm -8-9 t=010 p p p t -10
1 t -11 v t -1
p p
15 p p p=00pa 10 p=1000pa 0 p=000pa 70 p
4 (1) 58-551A(199)114 () shunt system Programmable shunt valve 9 56 ()()1966109-111 (4) 55-51A(1989)957 (5) 9 118
5