IP Library › Granted Patent US 8,376,989
Granted Patent B2
US 8,376,989 · App. 12/721,709 · Granted Feb 19, 2013

Compartmented syringe

Inventors: Derek Rissman (Waltham, MA); Jason Fortier (Concord, MA); Arthur Driscoll (Reading, MA)
Assignee: Covidien LP
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Quick Facts
Patent No.
US 8,376,989
App. No.
12/721,709
Granted
Feb 19, 2013
Kind
B2
Abstract

A syringe includes a first fluid conduit and a second fluid conduit. The first fluid conduit includes two chambers for accommodating two substances of a plurality of substances. The second fluid conduit is disposed adjacent the first fluid conduit and has a chamber for accommodating one substance of the plurality of substances. The syringe may include a third fluid conduit. Each substance is intermixable to form a discharge material upon advancement of a plunger operably associated with each fluid conduit. The discharge material is defined by the intermixed composition of predetermined volumes of the substances the fluid conduits. The discharge material may be a hydrogel. A connecting tip may be operably associated with each fluid conduit. A syringe may include an end cap disposed on the end of each of the fluid conduits. The end cap may have a venting feature for enabling gas venting while preventing discharge until desired.

Claims (27)

1. A syringe, comprising:

a first fluid conduit having at least two chambers for accommodating at least two substances of a plurality of substances and at least two bypasses operably coupled to the at least two chambers for enabling the at least two substances of the first fluid conduit to intermix;

a second fluid conduit disposed adjacent the first fluid conduit and having at least one chamber for accommodating at least one substance of the plurality of substances;

each substance being intermixable to form a discharge material for external application upon advancement of a plunger operably associated with each fluid conduit, the discharge material defined by the intermixed composition of predetermined volumes of at least two substances of the fluid conduits; and

an end cap disposed on the distal end of at least one of the fluid conduits, the end cap including at least one vent and a filter, the filter in fluid communication with the at least one vent for facilitating the passage of gas from the end cap, the at least one vent defined through a wall of the end cap, the filter being disposed within the end cap and spaced from the at least one vent.

2. A syringe according to claim 1 , wherein the first fluid conduit accommodates a liquid substance in a first chamber and a powder substance in a second chamber, the liquid substance and the powder substance being intermixable to form a first fluid conduit substance.

3. A syringe according to claim 2 , wherein the first fluid conduit substance and the at least one substance of the second fluid conduit define the discharge material upon intermixing thereof.

4. A syringe according to claim 1 , wherein the discharge material is a hydrogel.

5. A syringe according to claim 1 , further comprising at least one connecting tip operably associated with the distal end of at least one of each of the fluid conduits.

6. A syringe according to claim 5 , wherein the connecting tip is configured and dimensioned to spray the discharge material to a surface disposed externally of the syringe.

7. A syringe according to claim 5 , wherein the connecting tip is configured and dimensioned to accommodate the intermixing of at least two of the substances accommodated by the fluid conduits.

8. A syringe according to claim 1 , wherein at least one chamber is hermetically sealed.

9. A syringe according to claim 1 , wherein at least one chamber includes at least one internal stopper for separating at least two substances.

10. A syringe according to claim 9 , wherein the at least one internal stopper is substantially accordion shaped.

11. A syringe according to claim 1 , wherein the plunger further comprises at least one flange disposed at the proximal end of the plunger.

12. A syringe according to claim 1 , wherein the plunger includes first and second members.

13. A syringe according to claim 12 , wherein first and second members of the plunger are configured and dimensioned to interlock in order to facilitate the advancement of a predetermined volume of at least one substance and/or the discharge material.

14. A syringe according to claim 12 , wherein each of the first and second members of the plunger are separately advanceable.

15. A syringe according to claim 12 , wherein first and second members of the plunger are configured and dimensioned to simultaneously advance.

16. A syringe according to claim 1 , wherein the plunger is configured and dimensioned to advance a predetermined volume of at least two of the substances.

17. A syringe according to claim 1 , further comprising a third fluid conduit having at least one chamber for accommodating at least one substance of the plurality of substances.

18. A syringe according to claim 1 , further comprising at least one stop mechanism removably coupled to the plunger that prevents the plunger from being advanced distally beyond a predetermined location.

19. A syringe according to claim 1 , wherein the at least two bypasses includes a first bypass and a second bypass, the first bypass is longitudinally offset from the second bypass along a longitudinal axis of the first fluid conduit.

20. A syringe according to claim 19 , wherein the first bypass is disposed proximally of the second bypass.

21. A syringe according to claim 1 , wherein the at least two bypasses of the first fluid conduit are radially offset.

22. A syringe according to claim 21 , wherein the at least two bypasses includes a first bypass and a second bypass, the first bypass is positioned transverse to the second bypass along the surface of the first fluid conduit.

23. A syringe according to claim 1 , wherein the at least two chambers of the first fluid conduit are longitudinally offset along a longitudinal axis of the first fluid conduit.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 25, 2010
From: RISSMAN, DEREK; FORTIER, JASON; DRISCOLL, ARTHUR
To: CONFLUENT SURGICAL, INC.
Reel/Frame 024135/0879 →
Continuity (2)
Provisional Application 61164622 · Mar 30, 2009
Related Publication 20100249829A1 · Sep 30, 2010