Patient specific dosing contrast delivery systems and methods
First Claim
Patent Images
1. A system for injection of a patient with a fluid medium in a medical imaging procedure, the combination comprising:
- (a) a source of image contrast fluid medium at a selected concentration;
(b) pressurizing means in operative association with the fluid medium to pressurize the fluid medium for patient infusion;
(c) electronic control means for calculating flow rate and concentration of the fluid medium based on characteristic data of the patient, said electronic control means being connected to said pressurizing means for setting initial fluid medium pressure based on said characteristic data of the patient, and for adjusting concentration of the fluid medium during injection based on said characteristic data of the patient;
(d) imaging means for recording the image contrast fluid medium injected into the patient.
3 Assignments
0 Petitions
Accused Products
Abstract
This invention relates generally to the field of medical devices for delivering contrast media during medical diagnostic and therapeutic imaging procedures and more particularly, this invention relates to improved contrast media delivery systems and methods of use which allow adjustment of contrast media concentration and injection parameters either before or during an injection procedure.
-
Citations
60 Claims
-
1. A system for injection of a patient with a fluid medium in a medical imaging procedure, the combination comprising:
-
(a) a source of image contrast fluid medium at a selected concentration; (b) pressurizing means in operative association with the fluid medium to pressurize the fluid medium for patient infusion; (c) electronic control means for calculating flow rate and concentration of the fluid medium based on characteristic data of the patient, said electronic control means being connected to said pressurizing means for setting initial fluid medium pressure based on said characteristic data of the patient, and for adjusting concentration of the fluid medium during injection based on said characteristic data of the patient; (d) imaging means for recording the image contrast fluid medium injected into the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A system for injection of a patient with a fluid medium in a medical procedure, the combination comprising:
-
(a) a source of fluid medium at a selected concentration; (b) pressurizing means in operative association with the fluid medium to pressurize the fluid medium for patient infusion; (c) electronic control means connected to said pressurizing means for setting initial fluid medium pressure or flow rate, (d) at least one sensor for providing a feedback signal representative of a parameter of the injection in the patient, said parameter being selected from the group consisting of pressure, volume delivered and flow rate, and (e) tactile feedback means for communicating a signal to an operator for adjusting said parameter during patient infusion. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
-
-
29. In a system for injection of a patient with a fluid medium in a medical procedure, the combination comprising:
-
(a) a source of fluid medium including a source of contrast medium, a source of diluent, and a mixing means; (b) pressurizing means connected with the fluid medium to pressurize the fluid medium for patient infusion; and (c) electronic control means for calculating an initial flow rate and concentration of fluid medium based on characteristic data of the patient, wherein the electronic control means is connected to the pressurizing means and mixing means and comprises means for adjusting the mixing means to alter concentration of the fluid medium during patient infusion.
-
-
30. A system for injection of a patient with a fluid medium in a medical procedure, comprising:
-
(a) a source of fluid medium including a source of contrast medium, a source of diluent, and a mixing means; (b) pressurizing means communicating with the fluid medium to pressurize the fluid medium for patient infusion; and (c) electronic control means for calculating an initial flow rate and concentration of the fluid medium based on characteristic data of the patient, wherein the electronic control means communicates with the pressurizing means and with the mixing means and comprises means for adjusting the mixing means to alter concentration of the fluid medium during patient infusion; further comprising at least one sensor for providing a feedback signal representative of a concentration of the fluid medium in the patient. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37)
-
-
38. The system for injection of a patient with a fluid medium in a medical procedure, comprising:
-
(a) a source of fluid medium including a source of contrast medium, a source of diluent, and a mixing means; (b) pressurizing means connected with the fluid medium for pressurizing the fluid medium for patient infusion; (c) electronic control means for calculating an initial flow rate and concentration of fluid medium based on characteristic data of the patient, wherein the electronic control means is connected to the pressurizing means and the mixing means and comprises means for adjusting at least one of the mixing means and the pressurizing means to alter concentration of the fluid medium during patient infusion; (d) at least one sensor for providing a feedback signal representative of the concentration of the fluid medium in the patient; (e) at least one sensor for providing a feedback signal representative of the pressure of the fluid medium; and (f) tactile feedback means for communicating a signal to an operator for adjusting at least one of said concentration and said pressure during patient infusion. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46)
-
-
47. A system for injection of a patient with a fluid medium in a medical procedure, the combination comprising:
-
(a) a source of a fluid medium including a source of contrast medium, a source of diluent, and a mixing means; (b) pressurizing means in operative association with the fluid medium to pressurize the fluid medium for patient infusion; and (c) electronic control means for, calculating an initial flow rate and concentration of fluid medium based on data characteristic of the patient, said electronic control means being connected to the pressurizing means, and said electronic control means comprising at least one of means for adjusting the pressurizing means to alter the pressure of the fluid medium during patient infusion to achieve a desired flow rate and means for adjusting the mixing means to alter the concentration of the fluid medium during patient infusion. - View Dependent Claims (48, 49, 50, 51, 52, 53, 54, 55)
-
-
56. A process for delivering fluid medium to at least one patient, the steps comprising:
-
a) providing a source of a fluid medium at a selected concentration; b) providing a source of a diluent; c) calculating an initial flow rate and concentration of the fluid medium based on characteristic data of the patient using electronic control means, wherein the electronic control means communicates with adjustable pressurizing means and adjustable mixing means; and d) adjusting the mixing means to alter concentration of the fluid medium during patient infusion according to said characteristic data of the patient.
-
-
57. A process for delivering fluid medium to at least one patient, the steps comprising:
-
a) providing a source of a fluid medium at a selected concentration; b) providing a source of a diluent; c) calculating an initial flow rate and concentration of the fluid medium based on characteristic data of the patient using electronic control means, wherein the electronic control means communicates with adjustable pressurizing means and adjustable mixing means; and d) adjusting the mixing means to alter concentration of the fluid medium during patient infusion according to said characteristic data of the patient; e) sensing feedback of said data characteristic of the patient with a sensor which is operably connected to the electronic control system.
-
-
58. A system for injection of a patient with a fluid medium in a medical procedure, comprising:
-
(a) pressurizing means communicating with the fluid medium to pressurize the fluid medium for patient infusion; and (b) electronic control means for calculating an initial flow rate and concentration of the fluid medium based on characteristic data of the patient, wherein the electronic control means communicates with the pressurizing means and with mixing means and comprises means for adjusting the mixing means to alter the concentration of the fluid medium during patient infusion. - View Dependent Claims (59, 60)
-
Specification