US5605541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrin sealant applicatoor
Assignee: ERSQUIBB & SONS LLC
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Filing: 1994-12-07
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Granted: 1997-02-25
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Expires: 2014-12-07
Abstract
Abstract A novel device and method for the application of two or more components of a fibrin sealant using a gas is disclosed. The novel device and method involve the concentric arrangement of annular apertures for each of the components concentric with and radially outward of a center gas discharge aperture in the exit end of a spray head. Reservoirs for each component, for example syringe cartridges or cylinders, are in dextrete fluid communication with the spray head and preferably can be activated by a common means.
Inventors
- 👤 Niels-Erik Holm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:19
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/00491; B; B05; B05B; B05B7/00; B05B7/02; B05B7/06; B05B7/061; B05B7/062; B05B7/065; A61B2017/00495
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
164 words
A device for applying a fibrin sealant comprising two components which will form said sealant when combined, which device comprises commonly actuable reservoirs for each of said components and a source of gas, wherein each of said reservoirs and said gas in separate fluid communication via a discrete channel to a spray head, said spray head having a first aperture located centrally in an exit end of said spray head through which said gas is discharged, said spray head having a first annular aperture in the exit end of said spray head within first annular aperture is concentric with said first aperture and through which one of said fibrin-sealant-forming components is discharged, and a second annular aperture in the exit end of said spray head being concentric with said first aperture and concentric with, and having a radius larger than said first annular aperture through which the second of said fibrin-sealant-forming components is discharged wherein all of said apertures are in a common plane.
Claim 2
Independent Claim
164 words
A device for applying a fibrin sealant comprising two components which will form said sealant when combined, which device comprises commonly actuable reservoirs for each of said components and a source of gas, wherein each of said reservoirs and said gas in separate fluid communication via a discrete channel to a spray head, said spray head having a first aperture located centrally in an exit end of said spray head through which said gas is discharged, said spray head having a first annular aperture in the exit end of said spray head within first annular aperture is concentric with said first aperture and through which one of said fibrin-sealant-forming components is discharged, and a second annular aperture in the exit end of said spray head being concentric with said first aperture and concentric with, and having a radius larger than said first annular aperture through which the second of said fibrin-sealant-forming components is discharged wherein all of said apertures are in a common plane.
Claim 3
Independent Claim
108 words
A method for applying two components of a fibrin sealant which method comprises a simultaneous discharge from a spray head of a fibrin sealant applicator of a gas vehicle through a center hole in an exit end and centrally located within said spray head; a first fibrin sealant forming component through a first annular aperture concentric with and spaced radially outward from said center hole; and a second fibrin sealant forming component through a second annular aperture concentric with and spaced radially outward from said center hole and said first annular aperture, whereby a uniform efficient application of the components to form a uniform fibrin sealant is provided.
Claim 4
Independent Claim
108 words
A method for applying two components of a fibrin sealant which method comprises a simultaneous discharge from a spray head of a fibrin sealant applicator of a gas vehicle through a center hole in an exit end and centrally located within said spray head; a first fibrin sealant forming component through a first annular aperture concentric with and spaced radially outward from said center hole; and a second fibrin sealant forming component through a second annular aperture concentric with and spaced radially outward from said center hole and said first annular aperture, whereby a uniform efficient application of the components to form a uniform fibrin sealant is provided.
Claim 5
Dependent Claim
45 words
The method of claim 2 wherein a fibrin-monomer containing solution is discharged from said second annular aperture and a buffer solution suitable for providing polymerization and crosslinking of said fibrin monomer into a fibrin II crosslinked polymer sealant is discharged from said first annular aperture.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-02-25 | 2000-08-26 | 2001-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-02-25 | 2004-08-26 | 2005-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-02-25 | 2008-08-26 | 2009-02-25 | $7700.00 | Window Closed / Lapsed |