分流系统Codman—培训课件.pptVIP

18 Precise and hard to rub away, to fit perfectly , so it is expensive Spring coil will lose it’s function, so we use flat spring to perform long term, it’s very thin like a coil of cocolate Spring pillar help hole the sping Fulcrum has five pressure, 10、40、70、100、130， always the medium low(70), medium high(100), surgeon always indicate the 70, but child always 40 low, 10 for infants, few of 130 is sold, The pillar is more high, and more resistance to open 19 5 Original shunt, people says it’s too long, Reservior has three function. The pumping can cause ventricle catheter blockage , blood going to shunt and the shunt distal catheter smash the wall. Injection , 1% infection risk Regional vavle 20 管子和腹压的影响， 21 P-s medical is 3-55, 55-100, from very high to very low, over drainage can cause slit ventricle, hemorrage Cordis hakim Silicon is ok for the tube , but for the vavle mechanicle, all the p-s vavle is silicone 22 23 24 25 26 27 28 medium pressure vavle is ok for most pepole, but the other is not , so need programm MRI后，需reprogramm 29 30 31 Picture from wrong side 2. Inverted vavle 3.inverted film 32 33 Plan a fixed Revision Programm 34 35 Dr OMMAYA 36 37 38 American believe it’s a huge problem Five dots mean pressure fixed 2 New Formats Right angle / Burr hole with integrated SiphonGuard In-Line Right Angle / Burr Hole Precision / Programmable New Marketing Support Package New Detail Aid in 3 Languages Clinical Proof Paper Patients Ages Date Publication Romner 583 Prem – 89 1999 Neurofocus Yamashita 179 3 days – 88 1999 J. Neurosurgery Rohde 60 5 days–14 1998 Acta Neurochurgica Carmel 377 1999 Neurofocus Black 13 1994 Neurosurgery Reinprecht 90 7 weeks–85 1995 Acta Neurochurgica Belliard 50 1996 Neurochirurgie Clinical Proof For the best patient management of hydrocephalus, the ability to re-programme the valve pressure has been found to significantly benefit patients Clinical Proof The Codman Hakim Programmable valve is su