US4796603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pad-like implant
Assignee: Ethicon Inc
•
Filing: 1987-09-04
•
Granted: 1989-01-10
•
Expires: 2007-09-04
Abstract
Abstract The invention relates to a pad-like implant of resorbable material for the treatment of hernias, which comprises a cushion-like or hose-like body closed on all sides, whose outer sleeve comprises a knitted or woven hose of resorbable fibres or filaments or a perforated film of resorbable material, which is filled with a filling of threads, filaments, flocks or shreds of the same or a different resorbable material.
Inventors
- 👤 Hermann Dahlke
- 👤 Hans-Rainer Willmen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:57
CPC Classifications
D; D04; D04B; D04B21/00; D04B21/20; A; A61; A61F; A61F2/00; A61F2/0063; D04B1/00; D04B1/22; D04B1/225; A61B; A61B17/00; A61B17/12; A61F2210/00; A61F2210/0004; D10; D10B; D10B2401/00; D10B2401/12; D10B2403/00; D10B2403/02; D10B2403/024; D10B2403/0241; D10B2403/03; D10B2403/033; D10B2403/0333; D10B2509/00
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
42 words
Pad-like implant of resorbable material for the treatment of hernias, comprising a cushion-like or hose-like body closed on all sides, having an outer enclosing sleeve formed of porous sheet-like material, which is filled with a filling of discrete pieces of resorbable material.
Claim 2
Dependent Claim
42 words
Pad-like implant of resorbable material for the treatment of hernias, comprising a cushion-like or hose-like body closed on all sides, having an outer enclosing sleeve formed of porous sheet-like material, which is filled with a filling of discrete pieces of resorbable material.
Claim 3
Dependent Claim
24 words
Implant pad according to claim 1, wherein the pad has a compressibility of at least 50% and a recovery capacity of at least 80%.
Claim 4
Dependent Claim
25 words
Implant pad according to claim 2, wherein said sleeve comprises a weldable outer sleeve of a polyactide, polyglycolide or a p-dioxanone or a copolymer thereof.
Claim 5
Dependent Claim
21 words
Implant pad according to claim 3 wherein the filling is of a polylactide, polyglycolide or a p-dioxanone, or a copolymer thereof.
Claim 6
Dependent Claim
22 words
Implant pad according to claim 4, wherein the filling comprises 30 to 100 mm long fibres or monofilaments of a resorbable material.
Claim 7
Dependent Claim
45 words
Implant pad according to claim 5, wherein the cushion or hose-like body has a diameter of 5 to 25 mm and is subdivided by transverse welds or seams into portions of the same length or into portions of lengths varying between 30 and 80 mm.
Claim 8
Dependent Claim
24 words
Implant pad according to claim 6, wherein unfilled neutral regions with a width of 3 to 8 mm are provided between the transverse seams.
Claim 9
Dependent Claim
20 words
Implant pad according to claim 1, wherein said porous sheet-like material comprises a knitted hose of resorbable fibres or filaments.
Claim 10
Dependent Claim
20 words
Implant pad according to claim 1, wherein said porous sheet-like material comprises a woven hose of resorbable fibres or filaments.
Claim 11
Dependent Claim
18 words
Implant pad according to claim 1, wherein said porous sheet-like material comprises a perforated film of resorbable material.
Claim 12
Dependent Claim
16 words
Implant pad according to claim 1, wherein said filling comprises threads or filaments of resorbable material.
Claim 13
Dependent Claim
16 words
Implant pad according to claim 1, wherein said filling comprises flocks or shreds of resorbable material.
References Cited (Backward Citations)
US3739773A
Cited
US3376869A
Cited
US3875928A
Cited
US3937223A
Cited
US4186448A
Cited
US4205399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-01-10 | 1992-07-11 | 1993-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-10 | 1996-07-11 | 1997-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-10 | 2000-07-11 | 2001-01-10 | $7700.00 | Window Closed / Lapsed |