AUTOMATED DRUG PREPARATION APPARATUS INCLUDING DRUG VIAL HANDLING, VENTING, CANNULA POSITIONING FUNCTIONALITY
First Claim
1. A method of withdrawing a precise amount of drug from a drug vial in an automated manner comprising the steps of:
- identifying the type of drug vial being used;
accessing a database to retrieve one or more stored vial characteristics that are associated with the identified drug vial;
positioning a vented cannula relative to the drug vial based on the stored vial characteristics such that in a first mode of operation, a vent port of the vented cannula is open and the drug vial is vented to atmosphere and in a second mode of operation, the vent port is closed; and
drawing the precise amount of drug from the drug vial.
8 Assignments
0 Petitions
Accused Products
Abstract
An automated medication preparation system for preparing a prescribed dosage of medication in a drug delivery device includes a plurality of stations for receiving, handling and processing the drug delivery device so that the prescribed dosage of medication is delivered to the drug delivery device and a transporting device that receives and holds more than one drug delivery device and moves the drug delivery devices in a controlled manner from one station to another station. The system is configured so that two or more separate drug delivery devices can be acted upon at the same time.
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Citations
37 Claims
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1. A method of withdrawing a precise amount of drug from a drug vial in an automated manner comprising the steps of:
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identifying the type of drug vial being used; accessing a database to retrieve one or more stored vial characteristics that are associated with the identified drug vial; positioning a vented cannula relative to the drug vial based on the stored vial characteristics such that in a first mode of operation, a vent port of the vented cannula is open and the drug vial is vented to atmosphere and in a second mode of operation, the vent port is closed; and drawing the precise amount of drug from the drug vial. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An automated drug preparation and delivery system comprising:
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a storage location containing a plurality of drug vials, each drug vial containing an identification element coupled thereto; a first robotic device for retrieving one drug vial from the storage location and moving it to another location; an automated fluid delivery device having a vented cannula for processing a prescribed amount of a first fluid in a controlled manner, the vented cannula having an open tip for delivering and receiving the first fluid and a vent port proximate to but offset from the open tip; and a controller including an input component to permit a user to enter a drug order and having software including a database that contains stored drug identification information and vial identification information; wherein, the controller identifies the type of drug vial being used by reading the identification element and then positions the vented cannula relative to the drug vial based on the stored vial identification information such that in a first mode of operation, the vent port of the vented cannula is open and the drug vial is vented to atmosphere and in a second mode of operation, the vent port is closed and the drug vial is not vented. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A method of withdrawing a drawing a prescribed dosage of medication from a drug vial comprising the steps of:
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identifying the type of drug vial being used; accessing a database to retrieve stored vial identification information that is associated with the identified drug vial, the vial identification information includes dimensions of a septum of the drug vial; retrieving a thickness of the septum from the stored septum dimensions; calculating, based on the thickness of the septum, a first position of a vented cannula in a first mode of operation where both an open tip of the vented cannula and the vent port clear the septum and are located in an interior chamber of the vial; calculating, based on the thickness of the septum, a second position of the vented needle in the second mode of operation where only the open tip end clears the septum and is located in the interior chamber; first positioning the vented needle in the first mode of operation and drawing a first volume of the medication; and subsequently positioning the vented needle in the second mode of operation where only an open tip of the vented cannula clears the septum and the vent port is closed and drawing a second volume of medication that is substantially less than the first volume and where a sum of the first and second volumes is equal to a total volume of the prescribed dosage of medication. - View Dependent Claims (22)
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23. An automated drug preparation and delivery system for preparing a dosage of medication comprising:
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a storage location containing a plurality of drug vials, each drug vial containing an identification element coupled thereto; a first robotic device for retrieving one drug vial from the storage location and moving it to another location; an automated fluid delivery device in selective fluid communication with a source of diluent and configured to prepare reconstituted medication in the drug vial; a master controller including an input component to permit a user to enter a drug order including a final weight of the dosage of medication; a load cell for weighing the drug vial; and a motion control system operatively coupled to the first robotic device for controlling movement of the first robotic device in at least one direction; wherein, the controller identifies the type of drug vial being used by reading the identification element and the drug vial held by the first robotic device is delivered to the load cell for weighing by means of the motion control system which operates the first robotic device at a first mode to deliver the drug vial to within a prescribed distance from a surface of the load cell and then at a second mode to deliver the drug vial into contact with the surface of the load cell and at which time contact is made between the vial and the surface, the first robotic device opens to release the vial and collects a predetermined number of weight measurements, wherein the speed of the robotic device is greater in the first mode than the second mode. - View Dependent Claims (24, 25, 26, 32, 33, 34, 35, 36)
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27. An automated drug preparation and delivery system comprising:
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a storage location containing a plurality of drug vials; a first robotic device for retrieving one drug vial from the storage location and moving it to another location; an automated fluid delivery device having a vented cannula for processing a prescribed amount of a first fluid in a controlled manner, the vented cannula having an open tip for delivering and receiving the first fluid and a vent port proximate to but offset from the open tip, the fluid delivery device having a motion control system that performs simultaneous localization and mapping (SLAM) of features associated with the cannula and another object so as to permit the device to detect a nature of an interaction between the cannula and the other object; and a controller for moving the vented cannula based on information obtained from the SLAM operation. - View Dependent Claims (28, 29, 30, 31, 37)
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Specification