Rapid infusion system

• US 6,328,712 B1
• Filed: 10/14/1998
• Issued: 12/11/2001
• Est. Priority Date: 02/28/1996
• Status: Expired due to Term

• Current Assignee: Smisson-Cartledge Biomedical LLC
• Original Assignee: Smisson-Cartledge Biomedical LLC
• Inventors: Cartledge, Richard G.
• Primary Examiner(s): Smith, Jeffrey A.
• Application Number:
  US09/172,512
• Time in Patent Office: 1,154 Days
• Field of Search: 604/65, 604/66, 604/67, 604/113, 604/123, 604/131, 604/151
• US Class Current: 604/113
• CPC Class Codes: A61M 5/142 Pressure infusion, e.g. using pumps
• CPC Class Codes: F04B 17/03 driven by electric motors
• CPC Class Codes: F04B 2203/0209 Rotational speed

Abstract

A rapid infusion system for rapidly delivering blood and/or volume expanding fluid to a patient, said rapid infusion device comprising in combination: a portion which includes an adjustable drive mechanism and related control mechanism therefor, and a portion which includes components that come into contact with the fluid infused to the patient, and optionally wherein said system can be portable.

Claims

1. An infusion pump for delivering fluid from a fluid reservoir to a patient through a fluid conduit, comprising:

a pump head that imparts motion to fluid in a fluid conduit; and

a driver that imparts motion to the pump head;

wherein the pump head further includes temperature adjustment channels so that the fluid can be heated as it travels through the pump head and wherein the pump head is removably attached to the driver.

2. The infusion pump of claim 1, wherein the temperature adjustment channels are covered by a heat conductive material.

3. The infusion pump of claim 1, wherein the driver is contained within a motor drive unit and the motor drive unit contains temperature adjustment heating coils that can apply heat to the temperature adjustment channels of the pump head.

4. The infusion pump of claim 3, wherein the pump head is removably attached to the driver and the temperature adjustment heating coils on the motor drive unit contact the temperature adjustment channels of the pump head when the pump head is attached to the driver.

5. The infusion pump of claim 1, further comprising a fluid conduit removable from the pump head.

6. The infusion pump of claim 1, wherein the driver includes a motor having a drive shaft attached thereto and the pump head removably attaches to the driver shaft.

7. The infusion pump of claim 1, wherein the pump includes a coupler that transfers motion from the drive shaft to the pump head.

8. The infusion pump of claim 7, wherein the coupler is a hexagonal friction coupling system.

9. The infusion pump of claim 1, wherein the pump head includes a friction coupler and the driver includes a mating friction coupler.

10. The infusion pump of claim 1, wherein the pump head is a gear pump head, roller pump head, or centrifugal pump head.

11. The infusion pump of claim 1, wherein the pump head is a roller pump head.

12. The infusion pump of claim 1, wherein the pump head has a receptacle for removably attaching a fluid conduit.

13. The infusion pump of claim 1, further comprising a fluid conduit in the receptacle.