发明名称 |
Cardiopulmonary bypass system using vacuum assisted venous drainage |
摘要 |
A cardiopulmonary by-pass system having a vacuum assisted venous drainage system including a hard-shelled venous reservoir which is closed to atmosphere. The reservoir having a blood inlet for supplying blood removed under negative pressure during operation of the cardiopulmonary by-pass system to the reservoir, a blood outlet for removing blood from the reservoir, and a vacuum inlet for supplying a vacuum to the reservoir. A vacuum supply is also included for providing a predetermined desired vacuum of approximately -70 to -25 mmHG from a house wall vacuum source to the venous reservoir via the vacuum inlet. A patient support unit is also provided for receiving blood from the reservoir blood outlet, treating and returning revitalized removed blood under positive pressure. A vacuum regulator subassembly is also provided for manually setting the predetermined desired vacuum. A valve subassembly is further provided for manually enabling and disabling a vacuum from being supplied to the reservoir. The valve subassembly additionally includes a check valve for automatically disabling a vacuum from being supplied to said reservoir. |
申请公布号 |
US6315751(B1) |
申请公布日期 |
2001.11.13 |
申请号 |
US19970911870 |
申请日期 |
1997.08.15 |
申请人 |
CLEVELAND CLINIC FOUNDATION |
发明人 |
COSGROVE DELOS M.;FOSTER ROBERT C. |
分类号 |
A61M1/00;A61M1/36;(IPC1-7):A61M37/00;A61M1/14;A61M1/34 |
主分类号 |
A61M1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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