초록 ▼

An intravenous system is provided which includes a source of intravenous fluid, a needle or catheter for insertion into the vascular system of a patient, a pump for pumping the intravenous fluid via the needle or catheter into the patient and catheters coupling the pump to the source and to the need

An intravenous system is provided which includes a source of intravenous fluid, a needle or catheter for insertion into the vascular system of a patient, a pump for pumping the intravenous fluid via the needle or catheter into the patient and catheters coupling the pump to the source and to the needle. The pump includes an arrangement to terminate pumping upon an opening upon one of the catheters to ambient atmosphere. A flow control is provided in at least one of the catheters to prevent movement of air through the corresponding catheters into the patient.

대표청구항 ▼

An intravenous system comprising a source of intravenous fluid, first catheter means for insertion into the vascular system of a patient, a pump for performing a pumping operation and urging the fluid from said source to said first catheter means, second catheter means coupling said pump to said sou

An intravenous system comprising a source of intravenous fluid, first catheter means for insertion into the vascular system of a patient, a pump for performing a pumping operation and urging the fluid from said source to said first catheter means, second catheter means coupling said pump to said source, said pump including means to terminate said pumping operation upon an opening of said second catheter means to ambient atmosphere, and the flow control device in at least said first catheter means to prevent movement of air therethrough upon an opening of the said first catheter means to ambient atmosphere.