US4735616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for applying a tissue adhesive
Assignee: Oesterreichisches Institut fuer Haemoderivate
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Filing: 1986-06-17
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Granted: 1988-04-05
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Expires: 2006-06-17
Abstract
Abstract An arrangement for applying a tissue adhesive based on human or animal proteins, to seamlessly or seam-supportingly connect human or animal tissue or organ parts by uniting with blood-clot-promoting coagulation factors (thrombin). The arrangement includes a plurality of syringe bodies commonly actuatable by pistons and to which a connecting head is attachable. The syringe bodies have equal effective strokes, yet one of them, i.e., that destined to contain the protein solution, has a cross sectional area that is two to nine times larger than the other one(s). There may be applied tissue adhesives having a fibrinogen content of from 2 to 12%.
Inventors
- 👤 Johann Eibl
- 👤 Thomas Seelich
- 👤 Heinz Redl
- 👤 Georg Habison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:39
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/00491; A61M; A61M5/00; A61M5/178; A61M5/19; A61B2017/00495; A61M5/28; A61M5/284
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
123 words
An arrangement for applying a tissue adhesive that solidifies in situ by uniting with blood-clot-promoting coagulation factors, comprising: a plurality of syringe bodies ending in joining pieces; a piston in each of said plurality of syringe bodies for commonly actuating said syringe bodies; a connecting head attached to said joining pieces of said syringe bodies and provided with a separate conveying channel for each of the components to be applied; each of said syringe bodies having equal effective strokes; and one of said syringe bodies having a cross-sectional area that is two to nine times larger than the cross-sectional area of the remaining syringe bodies, said one syringe body containing an adhesive protein solution having a fibrinogen content of from 3 to 12%.
Claim 2
Dependent Claim
123 words
An arrangement for applying a tissue adhesive that solidifies in situ by uniting with blood-clot-promoting coagulation factors, comprising: a plurality of syringe bodies ending in joining pieces; a piston in each of said plurality of syringe bodies for commonly actuating said syringe bodies; a connecting head attached to said joining pieces of said syringe bodies and provided with a separate conveying channel for each of the components to be applied; each of said syringe bodies having equal effective strokes; and one of said syringe bodies having a cross-sectional area that is two to nine times larger than the cross-sectional area of the remaining syringe bodies, said one syringe body containing an adhesive protein solution having a fibrinogen content of from 3 to 12%.
Claim 3
Dependent Claim
15 words
The arrangement of claim 1, wherein said adhesive protein solution is prepared from a lyophilisate.
Claim 4
Dependent Claim
18 words
The arrangement of claim 1, wherein a second of said plurality of syringe bodies contains a thrombin solution.
Claim 5
Dependent Claim
66 words
The arrangement of claim 1, further comprising: first floating piston means in said one syringe body for dividing said one syringe body into a first chamber and a second chamber; and first by-pass means in said one syringe body for allowing fluid from said second chamber to mix with fluid in said first chamber when said first floating piston means is adjacent said first by-pass means.
Claim 6
Dependent Claim
70 words
The arrangement of claim 4, further comprising: second floating piston means in a second of said plurality of syringe bodies for dividing said second syringe body into a third chamber and a fourth chamber; and second by-pass means in said second syringe body for allowing fluid from said fourth chamber to mix with fluid in said third chamber when said second floating piston means is adjacent said second by-pass means.
Claim 7
Dependent Claim
23 words
The device of claim 4, wherein said first chamber contains the adhesive protein solution and said second chamber contains a solvent including aprotinin.
Claim 8
Dependent Claim
21 words
The device of claim 5, wherein the third chamber contains thrombin and the fourth chamber contains a solvent including calcium chloride.
Claim 9
Independent Claim
148 words
A device for dispensing a plurality of interreactable fluid, comprising: a plurality of syringe bodies; a connecting head interconnecting the discharge ends of each of the syringe bodies; first piston means in each of said syringe bodies for actuating said syringe bodies; first floating piston means in one of said syringe bodies for dividing said one syringe body into a first chamber and a second chamber; and first by-pass means in said one syringe body for allowing fluid from said second chamber to mix with fluid in said first by-pass means in said one syringe body for allowing fluid from said second chamber to mix with fluid in said first chamber when said first floating piston means is adjacent said first by-pass means; wherein said one syringe body has a cross-sectional area that is two to nine time larger than the cross-sectional area of the remaining syringe bodies.
Claim 10
Independent Claim
148 words
A device for dispensing a plurality of interreactable fluid, comprising: a plurality of syringe bodies; a connecting head interconnecting the discharge ends of each of the syringe bodies; first piston means in each of said syringe bodies for actuating said syringe bodies; first floating piston means in one of said syringe bodies for dividing said one syringe body into a first chamber and a second chamber; and first by-pass means in said one syringe body for allowing fluid from said second chamber to mix with fluid in said first by-pass means in said one syringe body for allowing fluid from said second chamber to mix with fluid in said first chamber when said first floating piston means is adjacent said first by-pass means; wherein said one syringe body has a cross-sectional area that is two to nine time larger than the cross-sectional area of the remaining syringe bodies.
Claim 11
Dependent Claim
64 words
The device of claim 8, further comprising: second floating piston means in a second of said syringe bodies for dividing said second syringe body into third and fourth chambers; second by-pass means in said second syringe body for allowing fluid from said fourth chamber to mix with fluid from said third chamber when said second floating piston means is adjacent said second by-pass means.
Claim 12
Dependent Claim
15 words
The device of claim 8, further comprising means for commonly actuating said first piston means.
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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) | 1991-04-05 | 1991-10-05 | 1992-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-04-05 | 1995-10-05 | 1996-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-04-05 | 1999-10-05 | 2000-04-05 | $7700.00 | Window Closed / Lapsed |