SYRINGE ASSEMBLIES, METHODS OF FORMING SYRINGE ASSEMBLIES AND ADAPTERS FOR FORMING SYRINGE ASSEMBLIES

• US 20110106015A1
• Filed: 04/23/2010
• Published: 05/05/2011
• Est. Priority Date: 04/23/2009
• Status: Active Grant

• Current Assignee: Bayer Healthcare LLC (Bayer AG)
• Original Assignee: Medrad Incorporated (Bayer AG)
• Inventors: McNeill, Michael, Liscio, Edward P., Castillo, Luis, Hitchins, Mark W.
• Granted Patent: US 9,242,040 B2
• Time in Patent Office: Days
• US Class Current: 604/187
• CPC Class Codes: A61M 2005/14553 comprising a pressure jacket
• CPC Class Codes: A61M 2005/3125 specific display means, e.g. to indicate dose setting
• CPC Class Codes: A61M 2205/3306 Optical measuring means
• CPC Class Codes: A61M 2207/00 Methods of manufacture, assembly or production
• CPC Class Codes: A61M 5/14546 Front-loading type injectors
• CPC Class Codes: A61M 5/31565 Administration mechanisms, i.e. constructional features, modes of administering a dose dosing mechanisms for setting a dose A61M5/31533
• CPC Class Codes: Y10T 29/49826 Assembling or joining

Abstract

A syringe assembly connectible to an injector including a syringe interface and a drive member includes a syringe portion including a barrel section to contain fluid to be pressurized and an outlet in fluid connection with the barrel section. The syringe assembly also includes an adapter formed separately from the syringe portion and including a plurality of sections. At least two sections of the plurality of sections are engageable to nonremovably connect the adapter to the syringe portion. In a number of embodiment, the adapter includes only two section the engage to nonremovably connect the adapter to the syringe portion. The adapter further includes a mounting mechanism adapted to be connected to the injector syringe interface. The adapter can also include a passage in operative connection with the barrel section after connection of the adapter to the syringe portion so that upon connection of the adapter with the syringe portion, the drive member can pass through the passage to impart motion to a plunger slidably positionable within the barrel section.

Claims

1. A syringe assembly connectible to an injector comprising a syringe interface and a drive member, comprising:

a syringe portion comprising a barrel section to contain fluid to be pressurized and an outlet in fluid connection with the barrel section; and

an adapter formed separately from the syringe portion and comprising a plurality of sections, at least two sections of the plurality of sections being engageable to nonremovably connect the adapter to the syringe portion, and a mounting mechanism adapted to be connected to the injector syringe interface.

2. The syringe assembly of claim 1 wherein the syringe portion includes a flange in the vicinity of a rearward section thereof and the at least two sections are engageable so that the flange is nonremovably engaged by the adapter.

3. The syringe assembly of claim 2 wherein the at least two sections are attachable via a mechanical connection.

4. The syringe assembly of claim 2 wherein the at least two sections are attachable via a snap fit.

5. The syringe assembly of claim 4 wherein the snap fit is a permanent snap fit.

6. The syringe assembly of claim 4 wherein the at least two sections are brought together to be attached at a nonzero angle relative to a longitudinal axis of the barrel section.

7. The syringe assembly of claim 6 wherein the at least two section are brought together to be attached at an angle generally perpendicular to the longitudinal axis of the barrel section.

8. The syringe assembly of claim 4 wherein each of the at least two sections is formed from a polymeric material.

9. The syringe assembly of claim 8 wherein each of the at least two sections is formed separately from the other of the two sections via a molding process.

10. The syringe assembly of claim 2 wherein the flange is noncircular and the at least two sections engage the flange so that the syringe portion cannot be rotated relative to the adapter.

11. The syringe assembly of claim 1 wherein one of at least two sections comprises a rearward portion comprising the mounting mechanism and a forward portion to engage the other of the at least two sections.

12. The syringe assembly of claim 11 wherein the at least two sections are attachable via a mechanical connection.

13. The syringe assembly of claim 11 wherein the at least two sections are attachable via a snap fit.

14. The syringe assembly of claim 13 wherein the snap fit is a permanent snap fit.

15. The syringe assembly of claim 13 wherein each of the at least two sections is formed from a polymeric material.

16. The syringe assembly of claim 15 wherein each of the at least two sections is formed separately from the other of the at least two sections via a molding process.

17. The syringe assembly of claim 13 wherein the adapter further comprises at least a third section that is engageable with the at least two sections to assist in preventing disengagement of the snap fit between the at least two sections.

18. The syringe assembly of claim 1 wherein the adapter further comprises a passage in operative connection with the barrel section after connection of the adapter to the syringe portion so that upon connection of the adapter with the syringe portion, the drive member can pass through the passage to impart motion to a plunger slidably positionable within the barrel section

19. A method of forming a syringe assembly connectible to a first injector comprising a first syringe interface and a first drive member, comprising:

providing a syringe portion comprising a barrel section to contain fluid to be pressurized and an outlet in fluid connection with the barrel section;

providing an adapter formed separately from the syringe portion and comprising a plurality of sections and a mounting mechanism adapted to be connected to the injector syringe interface; and

forming an engagement between at least two sections of the plurality of sections to nonremovably connect the adapter to the syringe portion.

20. The method of claim 19 wherein the syringe portion includes a mounting mechanism adapted to be connected to a second injector comprising a second syringe interface different from the first syringe interface of the first injector.

21. A kit to enable a syringe portion comprising a barrel section to contain fluid to be pressurized and an outlet in fluid connection with the barrel section to be operably connected to an injector comprising a syringe interface and a drive member, comprising:

an adapter comprising a plurality of sections, at least two sections of the plurality of sections being engageable to nonremovably connect the adapter to the syringe portion, and a mounting mechanism adapted to be connected to the injector syringe interface.