CA2503484A1 - Pump drive and control system for infusion to and aspiration from a surgical site - Google Patents

Pump drive and control system for infusion to and aspiration from a surgical site Download PDF

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Publication number
CA2503484A1
CA2503484A1 CA002503484A CA2503484A CA2503484A1 CA 2503484 A1 CA2503484 A1 CA 2503484A1 CA 002503484 A CA002503484 A CA 002503484A CA 2503484 A CA2503484 A CA 2503484A CA 2503484 A1 CA2503484 A1 CA 2503484A1
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CA
Canada
Prior art keywords
pumping system
pump
pumping
infusing
controlling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002503484A
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French (fr)
Other versions
CA2503484C (en
Inventor
John E. Nash
Gregory Walters
Stephen Heiman
Jim Barnitz
Pete Fatone
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DSM Biomedical Inc
Original Assignee
Individual
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Filing date
Publication date
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Application filed by Individual filed Critical Individual
Publication of CA2503484A1 publication Critical patent/CA2503484A1/en
Application granted granted Critical
Publication of CA2503484C publication Critical patent/CA2503484C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/74—Suction control
    • A61M1/743—Suction control by changing the cross-section of the line, e.g. flow regulating valves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/77—Suction-irrigation systems

Abstract

A pumping system for use in medical applications where liquids must be infus ed and aspirated, and which is cost effective to simply dispose of it after a single use. The system features positive displacement pump(s) (64, 80) such as reciprocating pump(s) which may contain a damping mechanism to dampen out th e peaks and valleys in the fluid pressure that is pumped, which is important f or preventing cavitation. Embodiments furthermore feature a shut-off valve (76) on the extraction side so that certain injected fluids such as contrast medium, are not immediately pumped out of the patient. In a preferred embodiment, the system also features means for independently controlling the fluid pressure/volume on the infusion and extraction sides, self-priming capability, a continuous fluid path, and visual air bubble detection (20), with viewports located at important points in the fluid path, such as at pum ps and valves.

Claims (23)

1. A pumping system for use in medical applications where liquids are infused into and aspirated from a living being, said system comprising:
(a) a means for infusing a liquid into said patient;
(b) a means for aspirating a liquid from said patient, each of said means comprising a positive displacement pump (64, 80) other than a peristaltic type pump, said positive~
displacement pump having an inlet and an outlet side, wherein at least said aspirating means comprises a shut-off valve (76) located on the inlet side of said pump; and (c)means for controlling said pump.
2. The pumping system of claim 1, further comprising means for independently controlling the fluid pressure or volume on the infusion and extraction sides.
3. The pumping system of claim1, wherein said system is capable of maintaining a continuous fluid path from the infusate pumping means through the patient and out to the aspirating pumping means, when said pumping means is operating as well as sitting idle.
4. The pumping system of claim 1, wherein said system is capable of self-priming.
5. The pumping system of claim 1, further comprising visual air bubble detection.
6. The pumping system of claim 5, wherein said air bubble detection comprises~
viewports located in the fluid path.
7. The pumping system of claim 6, wherein said viewport locations include pumps and valves.
8. The pumping system of claim 1, wherein a single pump provides both positive pressure for said infusing means, and negative pressure for said extracting means.
9. The pumping system of claim 1, wherein said infusing means and said extracting means are provided by separate pumps.
10. The pumping system of claim 1, wherein said infusing means comprises a piston pump.
11. The pumping system of claim 1, wherein said extracting means comprises a diaphragm pump.
12. The pumping system of claim 9, wherein said pumps are driven by motors, said motors comprising speed sensors.
13. The pumping system of claim 12, wherein electrical outputs from said speed sensors are used in a negative feedback loop to adjust said speed of said motors.
14. The pumping system of claim 12, wherein electrical outputs from said speed sensors are used by a control system to stop one or both of said motors if an alarm condition is sensed.
15 (canceled).
16 (canceled).
17. The pumping system of claim 1, wherein said controlling means is readily removable from said infusing and extracting means.
18 (canceled).
19 (canceled).
20. The pumping system of claim 1, wherein said means for controlling said pump comprises a user interface for inputting commands to said controlling means.
21. The pumping system of claim 1, further comprising a damper apparatus for damping the pressure variations in the pumped liquid.
22. The pumping system of claim 21, wherein said damper apparatus is located on the extraction side of the fluid circuit.
23. The pumping system of claim 21, wherein said shut-off valve also functions as said damper apparatus.
CA2503484A 2002-09-24 2003-09-23 Pump drive and control system for infusion to and aspiration from a surgical site Expired - Fee Related CA2503484C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/253,034 2002-09-24
US10/253,034 US7998107B2 (en) 2002-09-24 2002-09-24 Interventional procedure drive and control system
PCT/US2003/029941 WO2004028592A1 (en) 2002-09-24 2003-09-23 Pump drive and control system for infusion to and aspiration from a surgical site

Publications (2)

Publication Number Publication Date
CA2503484A1 true CA2503484A1 (en) 2004-04-08
CA2503484C CA2503484C (en) 2012-03-13

Family

ID=31993074

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2503484A Expired - Fee Related CA2503484C (en) 2002-09-24 2003-09-23 Pump drive and control system for infusion to and aspiration from a surgical site

Country Status (6)

Country Link
US (2) US7998107B2 (en)
EP (1) EP1545648B1 (en)
JP (1) JP4618713B2 (en)
AU (1) AU2003275165A1 (en)
CA (1) CA2503484C (en)
WO (1) WO2004028592A1 (en)

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Also Published As

Publication number Publication date
US7998107B2 (en) 2011-08-16
EP1545648A1 (en) 2005-06-29
EP1545648B1 (en) 2015-06-03
US20040059284A1 (en) 2004-03-25
US20120004601A1 (en) 2012-01-05
JP2006500175A (en) 2006-01-05
AU2003275165A1 (en) 2004-04-19
WO2004028592A1 (en) 2004-04-08
US8157787B2 (en) 2012-04-17
JP4618713B2 (en) 2011-01-26
CA2503484C (en) 2012-03-13

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Effective date: 20180924