Patent US4587268A successfully refreshed from Google Patents.
US4587268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of osteitis
Assignee: Ed Geistlich Soehne AG fuer Chemische Industrie
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Filing: 1984-03-08
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Granted: 1986-05-06
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Expires: 2004-03-08
Abstract
Abstract A composition comprising a resorbable aqueous gel having dissolved or dispersed therein one or more water-soluble medicaments is of use in the treatment of wounds. Such a composition is of use in a method of healing an infection in a cavity in bone or other tissue whereby the resorbable aqueous gel is placed in the cavity and allowed to remain there until resorbed, the aqueous phase of the gel containing the water soluble medicament. The medicament is preferably an antibiotic or a methylol transfer antibacterial.
Inventors
- 👤 Rolf W. Pfirrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:47
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/50; A61L27/52; A61F; A61F2/00; A61F2/02; A61F2/28; A61L26/00; A61L26/0061; A61L26/0066; A61L27/36; A61L27/3604; A61L27/3608; A61L27/54; A61L27/58; A61F2/30; A61F2002/30001; A61F2002/30003; A61F2002/3006; A61F2002/30062; A61F2002/30667; A61F2002/30677; A61F2210/00; A61F2210/0004; A61F2250/00; A61F2250/0058; A61F2250/0067; A61L2300/00; A61L2300/40; A61L2300/404; A61L2300/406
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
53 words
A composition for the treatment of osteitis comprising a flexible solid in granular form adapted to be introduced into a bone cavity, the said solid comprising a resorbable aqueous gel of one or more cross-linked fibrous proteins having dissolved or dispersed therein an antibacterially effective amount of one or more water-soluble antibacterial medicaments.
Claim 2
Dependent Claim
53 words
A composition for the treatment of osteitis comprising a flexible solid in granular form adapted to be introduced into a bone cavity, the said solid comprising a resorbable aqueous gel of one or more cross-linked fibrous proteins having dissolved or dispersed therein an antibacterially effective amount of one or more water-soluble antibacterial medicaments.
Claim 3
Dependent Claim
13 words
A composition as claimed in claim 1 wherein the gel comprises cross-linked gelatin.
Claim 4
Dependent Claim
16 words
A composition as claimed in claim 1 wherein the protein is cross-linked by a methylol-transfer agent.
Claim 5
Dependent Claim
14 words
A composition as claimed in claim 3 wherein the methylol transfer agent comprises formaldehyde.
Claim 6
Dependent Claim
14 words
A composition as claimed in claim 1 wherein the antibacterial medicament comprises an antibiotic.
Claim 7
Dependent Claim
23 words
A composition as claimed in claim 1 wherein the flexible solid is in the form of a granulate in admixture with spongiosa tissue.
Claim 8
Dependent Claim
18 words
A composition as claimed in claim 1 wherein the flexible solid is in the form of a rod.
Claim 9
Dependent Claim
31 words
A method of treating osteitis which comprises introducing into a bone cavity infected with osteitis a flexible solid as claimed in claim 1 and allowing it to remain there until resorbed.
Claim 10
Dependent Claim
16 words
A composition as claimed in claim 1 wherein the antibacterial medicament comprises a methylol-transfer antibacterial agent.
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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) | 1989-05-05 | 1989-11-04 | 1990-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-05 | 1993-11-04 | 1994-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-05 | 1997-11-04 | 1998-05-06 | $7700.00 | Window Closed / Lapsed |