US4612923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-filled, absorbable surgical devices
Assignee: Ethicon Inc
•
Filing: 1983-12-01
•
Granted: 1986-09-23
•
Expires: 2003-12-01
Abstract
Abstract A surgical device fabricated from a synthetic absorbable polymer containing an absorbable glass filler.
Inventors
- 👤 Richard L. Kronenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:19
CPC Classifications
A; A61; A61L; A61L31/00; A61L31/14; A61L31/148; A61B; A61B17/00; A61B17/064; A61B17/12; A61B17/122; A61L31/12; A61L31/125; A61L31/127
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
26 words
An absorbable surgical device comprising a synthetic absorbable polymer containing an absorbable glass reinforcing filler in an amount sufficient to increase the stiffness of said polymer.
Claim 2
Dependent Claim
26 words
An absorbable surgical device comprising a synthetic absorbable polymer containing an absorbable glass reinforcing filler in an amount sufficient to increase the stiffness of said polymer.
Claim 3
Dependent Claim
12 words
The device of claim 1 wherein said glass is a phosphate glass.
Claim 4
Dependent Claim
20 words
The device of claim 2 wherein the glass also contains one or more oxides of sodium, potassium, calcium, and magnesium.
Claim 5
Dependent Claim
10 words
The device of claim 1 wherein said polymer is poly-1,4-dioxanone.
Claim 6
Dependent Claim
17 words
The device of claim 1 wherein said polymer is a homopolymer or copolymer of glycolide or lactide.
Claim 7
Dependent Claim
16 words
The device of claim 1, 2, 3, 4, or 5 in the form of a staple.
Claim 8
Dependent Claim
17 words
The device of claim 1, 2, 3, 4, or 5 in the form of a ligating clip.
Claim 9
Dependent Claim
17 words
The device of claim 1 wherein the glass reinforcing filler is in the form of a powder.
Claim 10
Dependent Claim
14 words
The device of claim 1 wherein the glass reinforcing filler is in fibrous form.
References Cited (Backward Citations)
US3787900A
Cited
US3992725A
Cited
US4131597A
Cited
US4097935A
Cited
US4195366A
Cited
US4446579A
Cited
US4418694A
Cited
US4366253A
Cited
US4437192A
Cited
US4350532A
Cited
US4414967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-09-22 | 1990-03-24 | 1990-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-22 | 1994-03-24 | 1994-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-22 | 1998-03-24 | 1998-09-23 | $7700.00 | Window Closed / Lapsed |