Non-magnetic medical infusion device
AssigneeIradimed Corporation
InventorRoger E. Susi
Life of this patent
Estimating the term…
Abstract
Liquid infusion apparatus includes non-magnetic materials in a pumping structure and drive motor therefor, and in a controller that supplies drive signals to the motor to facilitate convenient operation in intense magnetic fields without distorting the magnetic fields and without radiating objectionable radio-frequency interference. A non-MRI-compatible liquid infusion apparatus is temporarily replaced with MRI-compatible, non-magnetic liquid infusion apparatus without disconnecting patient from an installed intravenous infusion set to continue infusing liquid within the MRI environment.
Claims16
1-6. (canceled)
An IV infusion apparatus, comprising:
- a first IV set comprising first and second fluid connectors and a first fluid conduit with a first fluid-flow prevention mechanism disposed between the first and second fluid connectors, the first IV set being further connected to a fluid source and a patient;
- a second IV set comprising a third fluid connector connected to the first fluid connector, a fourth fluid connector connected to the second fluid connector, a second fluid conduit disposed between the third fluid connector and the fourth fluid connector, and a second fluid-flow prevention mechanism disposed between the third and fourth fluid connectors;
- and
- a liquid-infusing pump engaged compatibly with the second fluid conduit to control the infusion of liquid through the second fluid conduit, where the infusion is controlled by the liquid-infusing pump after the first fluid-flow prevention mechanism interrupts fluid-flow between the fluid source to the patient through the first fluid conduit.
A method of replacing a first liquid-infusing pump with a second liquid infusing pump, comprising:
- connecting a first IV set between a fluid source and a patient, the first IV set comprising first and second fluid connectors and a first fluid conduit with a first fluid-flow prevention mechanism disposed between the first and second fluid connectors;
- after connecting the first IV set between the fluid source and the patient, infusing liquid through the first fluid conduit;
- after infusing liquid through the first fluid conduit, inhibiting fluid flow through the first fluid conduit;
- after connecting the first IV set between the fluid source and the patient, connecting the first IV set to a second IV set comprising third and fourth fluid connectors and a second fluid conduit disposed between the third and fourth fluid connectors, wherein the first IV set is connected to the second IV set by connecting the first fluid connector to the third fluid connector and connecting the second fluid connector to the fourth fluid connector while preserving the connection of the first IV set between the fluid source and the patient;
- and
- after connecting the first IV set to the second IV set, infusing liquid through the second fluid conduit.
Dependencies are inferred from the claim text.