Contrast agent injection system

• US 20050107697A1
• Filed: 11/17/2004
• Published: 05/19/2005
• Est. Priority Date: 12/23/1998
• Status: Abandoned Application

• Current Assignee: Guido Hilekes, Ralph Berke
• Original Assignee: Guido Hilekes, Ralph Berke
• Inventors: Berke, Ralph
• Application Number:
  US10/989,287
• Publication Number:
  US 20050107697A1
• Time in Patent Office: Days
• US Class Current: 600/431
• CPC Class Codes: A61M 5/007 for contrast media
• CPC Class Codes: A61M 5/14546 Front-loading type injectors
• CPC Class Codes: A61M 5/14566 with a replaceable reservoir for receiving a piston rod of the pump
• CPC Class Codes: A61M 5/16827 controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths infusion of multiple fluids without using a controller A61M5/1407

Abstract

Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector 1 for delivering the contrast agent to a tube section 7 which is connected to the body, and at least a second injector 2 for delivering a rinsing fluid to the tube section 7, a control device 16 monitoring the delivery of the contrast agent through the tube section 7 and automatically controlling the delivery of the rinsing fluid by the second injector 2 after the delivery of the contrast agent has been terminated.

Claims

1. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, further comprising a control device being arranged independently form said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its input to a sensing device, said sensing or detecting device is sensing the fluid flow being produced by the said first injector within a subordinate tube section and producing a signal to said control device if no movement of fluid is detected, such that the control device activates the second injector, said tube section being connected to said first injector.

3. Contrast agent injection system according to claim 1, wherein the fluid flow sensing device has a light-emitting unit and a light-receiving unit for sensing the light reflection caused by the fluid particles.

4. Contrast agent injection system according to claim 1, wherein the fluid flow sensing device has a sound-emitting unit and a sound-receiving unit for sensing the sound frequency shift caused by the moving fluid particles.

5. Contrast agent injection system according to claim 1, wherein the control device is connected to a contrast agent volume calculating device.

6. Contrast agent injection system according to claim 5, wherein the contrast agent volume calculating device comprises a contrast agent volume memory device in which the contrast agent volume located in the first injector is stored.

2. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, further comprising a control device being arranged independently from said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its input to a detection device, which detects an optical signal from said first injector as a result of the interruption of the injection of said first injector and supplies a sensing signal to said control device, wherein the first injector comprises a device for producing a status display as an optical signal such that the control device activates the second injector when said detection device detects the interruption of the injection of the fluid flow in the tube section which is connected to said first injector.

7. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, further comprising a control device being arranged independently form said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its input to a sensing device, said sensing or detecting device is sensing the fluid flow being produced by the said first injector within a subordinate tube section and producing a signal to said control device if no movement of fluid is detected, such that the control device activates the second injector, said tube section being connected to said first injector, wherein the fluid flow sensing device has a light-emitting unit and a light-receiving unit for sensing the light reflection caused by the fluid particles within said tube section.

8. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, further comprising a control device being arranged independently form said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its input to a sensing device, said sensing or detecting device is sensing the fluid flow being produced by the said first injector within a subordinate tube section and producing a signal to said control device if no movement of fluid is detected, such that the control device activates the second injector, said tube section being connected to said first injector, wherein the fluid flow sensing device has a sound-emitting unit and a sound-receiving unit for sensing the sound frequently shift caused by the moving fluid particles within said tube section.

9. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, further comprising a control device being arranged independently form said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its input to a sensing device, said sensing or detecting device is sensing the fluid flow being produced by the said first injector within a subordinate tube section and producing a signal to said control device if no movement of fluid is detected, such that the control device activates the second injector, said tube section being connected to said first injector, wherein the fluid flow sensing device has a light-emitting unit and a light-receiving unit for sensing the light reflection caused by the fluid particles within said tube section and wherein the control device is connected to a contrast agent volume calculating device.

10. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, further comprising a control device being arranged independently from said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its input to a detection device, which detects an optical signal from said first injector as a result of the interruption of the injection of said first injector and supplies a sensing signal to said control device, wherein the first injector comprises a device for producing a status display as an optical signal such that the control device activates the second injector when said detection device detects the interruption of the injection of the fluid flow in the tube section which is connected to said first injector, wherein the control device is connected to a contrast agent injection time calculating device.

11. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, further comprising a control device being arranged independently from said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its input to a detection device, which detects an optical signal from said first injector as a result of the interruption of the injection of said first injector and supplies a sensing signal to said control device, wherein the first injector comprises a device for producing a status display as an optical signal such that the control device activates the second injector when said detection device detects the interruption of the injection of the fluid flow in the tube section which is connected to said first injector, wherein the control device is connected to a contrast agent injection time calculating device, wherein the contrast agent injection time is stored and the contrast agent injection time calculating device has a contrast agent injection time memory device in which the contrast agent injection time is stored.

12. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, further comprising a control device being arranged independently from said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its input to a sensing device, said sensing or detecting device is sensing the fluid flow being produced by the said first injector within a subordinate tube section and producing a signal to said control device if no movement of fluid is detected, such that the control device activates the second injector, said tube section being connected to said first injector, said control device being connected to an input device for inputting the contrast agent volume and the contrast agent injection time.

13. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, further comprising a control device being arranged independently from said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its input to a sensing device, said sensing or detecting device is sensing the fluid flow being produced by the said first injector within a subordinate tube section and producing a signal to said control device if no movement of fluid is detected, such that the control device activates the second injector, said tube section being connected to said first injector, wherein the first injector and the second injector are connected via an adapter to said tube, further comprising valves for filling the injectors said valves being controlled via the control device.

14. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, further comprising a control device being arranged independently from said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its input to a sensing device, said sensing or detecting device is sensing the fluid flow being produced by the said first injector within a subordinate tube section and producing a signal to said control device if no movement of fluid is detected, such that the control device activates the second injector, said tube section being connected to said first injector, wherein the fluid flow sensing device has a light-emitting unit and a light-receiving unit for sensing the light reflection caused by the fluid particles and wherein the injectors are single-piston or mulitpiston injectors comprising interchangeable pressure syringes which are arranged in mounting openings of said injectors, said mounting openings having different mounting openings corresponding to the associated pressure syringes.

15. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, comprising a control device being arranged independently from said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, the control device being connected with its input to a sensing device, said sensing device being provided for sensing the fluid flow within a subordinate tube section, said fluid flow being produced by said first injector, such that the control device activates the second injector, if the sensing device detects an interruption of the fluid flow within the tube section, which is connected to said first injector, and outputs a signal to the control device, wherein the control device is connected to a contrast agent volume calculating device, and the contrast agent volume calculating device has a contrast agent volume memory device in which the contrast agent volume located in the first injector is stored.

16. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, comprising a control device being arranged independently form said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its output said second injector for controlling said second injector and with its input to a detection device which detects an optical signal from said first injector as a result of the interruption of the injection of said first injector, wherein the first injector comprises a device for producing a status display as an optical signal such that the control device activates the second injector when said detection device detects the interruption of the injection of the fluid flow in the tube section which is connected to said first injector, wherein the control device is connected to a contrast agent volume calculating device, and the contrast agent volume calculating device has a contrast agent volume memory device in which the contrast agent volume located in the first injector is stored.

17. Contrast agent injection system for injecting a contrast agent into a body, having at least a first injector for delivering the contrast agent to a tube connected to the body, and having at least a second injector for delivering a rinsing fluid to the tube, comprising a control device being arranged independently form said injector, wherein said control device is connected with its output to said second injector for controlling said second injector, wherein the control device is connected with its output said second injector for controlling said second injector, that the control device is connected with its input to a detection device which detects an optical signal from said first injector as a result of the interruption of the injection of said first injector, wherein the first injector comprises a device for producing a status display as an optical signal such that the control device activates the second injector when said detection device detects the interruption of the injection of the fluid flow in the tube section which is connected to said first injector, wherein the control device is connected to a contrast agent volume calculating device, the control device is connected to a contrast agent injection time calculating device, and the contrast agent injection time calculating device has a contrast agent injection memory device in which the contrast agent injection time is stored.