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Patent US5456720A successfully refreshed from Google Patents.
US5456720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prosthesis for repair of direct space and indirect space inguinal hernias
Assignee: Individual
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Filing: 1993-09-23
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Granted: 1995-10-10
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Expires: 2013-09-23
Abstract
Abstract A method of repair of direct space and indirect space inguinal hernias and a unique prosthesis enable the use of laparoscopic surgical techniques with the benefits associated therewith, while greatly reducing the recurrence of hernial defects. The prosthetic device in accordance with the present invention is a unitary piece having an abdominal wall engaging base, a hollow projection, and a slurry retaining flap. The base includes a flange that anchors the prosthetic device against the abdominal wall and a flange that covers and gives support to the surrounding abdominal wall where direct space inguinal hernia recurrence is high. The projection, situated between the ledge and the flange, is received within the defect associated with inguinal hernias and lends support thereto.
Inventors
- 👤 Leonard S. Schultz
- 👤 Joseph J. Pietrafitta
- 👤 John N. Graber
- 👤 David F. Hickok
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:11
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/0063; A61B; A61B17/00; A61B17/0057; A61F2002/0072
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
85 words
A prosthetic device for use in laparoscopically repairing a defect in tissue, said device comprising: a generally planar tissue engaging and reinforcing flange; a hollow projection defining a cavity having an open end and a closed end, said projection being connected to said flange adjacent to said open end, said cavity being fillable with a fluent slurry to form a defect filling plug, said projection being sized for filling the defect; and a slurry retaining flap connected to said flange for closing said open end.
Claim 2
Dependent Claim
85 words
A prosthetic device for use in laparoscopically repairing a defect in tissue, said device comprising: a generally planar tissue engaging and reinforcing flange; a hollow projection defining a cavity having an open end and a closed end, said projection being connected to said flange adjacent to said open end, said cavity being fillable with a fluent slurry to form a defect filling plug, said projection being sized for filling the defect; and a slurry retaining flap connected to said flange for closing said open end.
Claim 3
Dependent Claim
38 words
The prosthetic device as recited in claim 1, said flange for engaging and reinforcing tissue proximal said defect in the tissue, said projection extending at a predetermined angle away from said flange for being received in said defect.
Claim 4
Dependent Claim
28 words
The prosthetic device according to claim 2, wherein said open end is larger than said closed end, said projection tapering from said open end to said closed end.
Claim 5
Dependent Claim
66 words
The prosthetic device according to claim 3, wherein said slurry retaining flap has a free end and an end connected to said flange adjacent to said open end of the projection, whereby after said cavity is filled with fluent slurry to form the defect filling plug, the free end of the slurry retaining flap is moved whereby the flap covers the open end of the cavity.
Claim 6
Dependent Claim
101 words
A prosthetic device for use in laparoscopically repairing an inguinal hernia including a hernial defect in tissue, said device comprising: a generally planar tissue engaging and supporting base; a hollow projection defining a cavity having an open end and a closed end, said projection being connected to said base adjacent to said open end, extending at a predetermined angle away from said base and sized to be received in the hernial defect, said cavity being fillable with a fluent slurry to form a hernial defect filling plug; and a slurry retaining flap connected to said base for dosing said open end.
Claim 7
Dependent Claim
101 words
A prosthetic device for use in laparoscopically repairing an inguinal hernia including a hernial defect in tissue, said device comprising: a generally planar tissue engaging and supporting base; a hollow projection defining a cavity having an open end and a closed end, said projection being connected to said base adjacent to said open end, extending at a predetermined angle away from said base and sized to be received in the hernial defect, said cavity being fillable with a fluent slurry to form a hernial defect filling plug; and a slurry retaining flap connected to said base for dosing said open end.
Claim 8
Dependent Claim
38 words
The prosthetic device as recited in claim 5, said base extending substantially continuously and completely around said open end and comprising a ledge for engaging tissue and a flange for supporting and reinforcing tissue proximal said hernial defect.
Claim 9
Dependent Claim
54 words
The prosthetic device according to claim 6, said open end having a generally circular perimeter, said ledge being outside and on one side of said perimeter and said flange being outside and on the opposite side of said perimeter, said slurry retaining flap being connected to said ledge and movable relative to said base.
Claim 10
Dependent Claim
67 words
The prosthetic device according to claim 7, wherein said slurry retaining flap has a free end and an end connected to said ledge adjacent to said open end of the projection, whereby after said cavity is filled with fluent slurry to form the hernial defect filling plug, the free end of the slurry retaining flap is moved whereby the flap covers the open end of the cavity.
Claim 11
Dependent Claim
28 words
The prosthetic device according to claim 8, wherein said open end is larger than said closed end, said projection tapering from said open end to said closed end.
References Cited (Backward Citations)
US2513575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-10-09 | 1999-04-10 | 1999-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-10-09 | 2003-04-10 | 2003-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-10-09 | 2007-04-10 | 2007-10-10 | $7700.00 | Window Closed / Lapsed |