Cassette for retention of fluid path components for fluid injector system

Patent metadata

Field	Value
Publication number	US-12023464-B2
Application number	US-202118254586-A
Country	US
Kind code	B2
Filing date	Nov 30, 2021
Priority date	Dec 1, 2020
Publication date	Jul 2, 2024
Grant date	Jul 2, 2024

Abstract

A cassette for holding fluid path components for a fluid injector may include a body defining at least one feature for holding at least one fluid path component for the fluid injector; and a connecting member for removably connecting the body of the cassette to the fluid injector, the connecting member operatively connected to the body, wherein the connecting member comprises at least one pivotable connecting feature protruding from the body, and wherein each of the at least one pivotable connecting feature is configured for removably connecting to a corresponding connecting feature receiver on the fluid injector such that the body is pivotally movable relative to the fluid injector between a first, unlatched position and a second, latched position in which the at least one fluid path component on the body of the cassette is positioned for operative connection to a corresponding feature of the fluid injector.

First claim

The invention claimed is:

1. A cassette for holding fluid path components for a fluid injector, the cassette comprising:
a body defining a plurality of retention elements for holding at least one fluid path comprising at least one fluid path component for engagement with the fluid injector, wherein the at least one fluid path component comprises at least one air bubble suspension apparatus retained on the body by at least one of the plurality of retention elements and the at least one air bubble suspension apparatus is fluidly located between a fluid path component comprising at least one air detection region and a fluid path component comprising at least one stopcock; and
at least one connecting member for removably connecting the body to the fluid injector, the at least one connecting member operatively connected to the body,
wherein the at least one connecting member comprises at least one pivotable connecting feature protruding from the body, and
wherein each of the at least one pivotable connecting feature is configured for removably connecting to a corresponding connecting feature receiver on the fluid injector such that the body is pivotally movable relative to the fluid injector between a first, unlatched position and a second, latched position in which the at least one fluid path component on the body is positioned for operative connection to a corresponding feature of the fluid injector.

2. The cassette of claim 1 , further comprising at least one extension member that protrudes from the body, wherein the at least one extension member is configured to hold at least one of the at least one fluid path component of the fluid injector, and
wherein the at least one fluid path component is further selected from at least one of at least one second stopcock, at least one second air bubble suspension apparatus, one or more fluid lines, at least one fluid path components comprising a second air detection region, and at least one removable end cap for the one or more fluid lines.

3. The cassette of claim 2 , wherein the at least one extension member includes a retaining tab for holding the fluid path component on the at least one extension member.

4. The cassette of claim 1 , wherein the at least one stopcock comprises a first fluid filling position providing fluid communication between a bulk fluid container and a syringe engaged to the fluid injector, a second fluid delivery position providing fluid communication between the syringe and a patient tubing set, and a third stopped position blocking fluid communication between the syringe, the bulk fluid container, and the patient tubing set, and
wherein at least one of the plurality of retention elements retains the at least one stopcock in a position configured to engage at least one stopcock actuator of the fluid injector when the cassette is in the second latched position.

5. The cassette of claim 4 , wherein the body further comprises a shield member that prevents a user from accessing the at least one stopcock held in the body.

6. The cassette of claim 1 ,
wherein the at least one of the plurality of retention elements retains the at least one air bubble suspension apparatus in a position to be movable between a first priming position and a second injection position with movement of a head of the fluid injector between an upright priming position and a downward angled injection position.

7. The cassette of claim 6 , wherein the at least one air bubble suspension apparatus is configured to prime substantially all air bubbles out of the at least one air bubble suspension apparatus when primed in the first priming position; and configured to at least temporarily suspend any air bubble detected in an injection fluid during a fluid injection procedure when in the second injection position.

8. The cassette of claim 4 , wherein the at least one fluid path component comprises at least one fluid path components comprising an air detection region,
wherein at least one of the plurality of retention elements retains the at least one fluid path components comprising an air detection region in a position to operatively engage an air detector on a receiving surface of the fluid injector.

9. The cassette of claim 8 , wherein the air detector is configured to detect an air bubble in an injection fluid during a fluid injection procedure, and in response to detecting the air bubble in the injection fluid, send a signal to a controller of the fluid injector to cause the at least one stopcock actuator to move the at least one stopcock from the second fluid delivery position, and the third stopped position.

10. The cassette of claim 2 , wherein the cassette comprises two stopcocks, two air bubble suspension apparatuses, a plurality of fluid lines, two fluid path components each comprising an air detection region, and a plurality of removable end caps for the plurality of fluid lines.

11. The cassette of claim 1 , wherein the at least one connecting member further comprises a flexible locking tab that is configured to be received in a corresponding locking groove on the fluid injector for removably attaching the body to the fluid injector.

12. The cassette of claim 1 , wherein the at least one pivotable connecting feature of the at least one connecting member comprises at least one hinge member configured to removably connect with at least one groove on the corresponding connecting feature receiver on a receiving surface of the fluid injector.

13. The cassette of claim 1 , further comprising an identification label positioned on the body, wherein the identification label is configured to provide information regarding the cassette including at least one of date of assembly, number of uses of the cassette, and location of the cassette.

14. A fluid injector, comprising:
a housing;
at least one syringe removably held in the housing; and
a cassette for holding fluid path components for the fluid injector, the cassette comprising:
a body defining a plurality of retention elements for holding at least one fluid path comprising at least one fluid path component for engagement with the fluid injector, wherein the at least one fluid path component comprises at least one air bubble suspension apparatus retained on the body by at least one of the plurality of retention elements and the at least one air bubble suspension apparatus is fluidly located between a fluid path component comprising at least one air detection region and a fluid path component comprising at least one stopcock; and
at least one connecting member for removably connecting the body to the fluid injector, the connecting member operatively connected to the body,
wherein the at least one connecting member comprises at least one pivotable connecting feature protruding from the body, and
wherein each of the at least one pivotable connecting feature is configured for removably connecting to a corresponding connecting feature receiver on the fluid injector such that the body is pivotally movable relative to the fluid injector between a first, unlatched position and a second, latched position in which the at least one fluid path component on the body is positioned for operative connection to a corresponding feature of the fluid injector.

15. The fluid injector of claim 14 , wherein the at least one fluid path component is further selected from at least one of at least one second stopcock, at least one second air bubble suspension apparatus, one or more fluid lines, at least one fluid path components comprising a second air detection region, and at least one removable end cap for the one or more fluid lines.

16.

Assignees

• Bayer Healthcare Llc

Inventors

• Naples Andrew
• Cowan Kevin
• Spohn Michael
• Haury John
• Campbell Patrick
• Dedig James
• Lee Randy
• Caswell John
• Macnamee Katherine
• Tirone James

Classifications

• A61L2103/15

  Laboratory, medical or dentistry appliances, e.g. catheters or sharps · CPC title

• A61L2/10

  Ultraviolet [UV] radiation · CPC title

• A61L2/18

  Liquid substances · CPC title

• A61M5/365

  Air detectors (A61M5/1684 takes precedence; in extracorporeal blood circuits A61M1/3626) · CPC title

• A61M5/16881

  Regulating valves (on-off valves, e.g. clamps A61M39/28) · CPC title