Patent US2964752A successfully refreshed from Google Patents.
Patent US4607631A successfully refreshed from Google Patents.
US4607631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement in surgical sheets
Assignee: Essity Hygiene and Health AB
•
Filing: 1984-10-16
•
Granted: 1986-08-26
•
Expires: 2004-10-16
Abstract
Abstract The invention relates to an arrangement in surgical sheets of the kind which are provided with a hole which is intended to be placed over the area of a patient where an operation is to be performed. The arrangement according to the invention is characterized in that a disk having arranged therein an elongated opening is intended to cover the hole in the sheet and can be adjusted to different positions of rotation with the longitudinal axis of the opening extending in the direction of an intended surgical incision.
Inventors
- 👤 Carl-Otto Hanssen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:26
CPC Classifications
A; A61; A61B; A61B46/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
95 words
A surgical sheet having a relatively large circular hole therethrough adapted to be placed over an area of a patient where an operation is to be performed, a circular disk larger than said hole and having an elongated opening therethrough, the disk having at least two layers at least one of which comprises a liquid impermeable material, said layers being joined to each other about a circle of a diameter no greater than the diameter of said circular hole, the margins of said circular hole being received between said layers radially outwardly of said circle.
Claim 2
Dependent Claim
95 words
A surgical sheet having a relatively large circular hole therethrough adapted to be placed over an area of a patient where an operation is to be performed, a circular disk larger than said hole and having an elongated opening therethrough, the disk having at least two layers at least one of which comprises a liquid impermeable material, said layers being joined to each other about a circle of a diameter no greater than the diameter of said circular hole, the margins of said circular hole being received between said layers radially outwardly of said circle.
Claim 3
Dependent Claim
26 words
A surgical sheet as claimed in claim 1, and a self-adhesive binder about said elongated hole for securing the disk to the body of the patient.
Claim 4
Dependent Claim
35 words
A surgical sheet as claimed in claim 1, said layers being joined to each other radially inwardly of said circle only along radially extending lines, thereby to provide between said lines a plurality of pockets.
Claim 5
Dependent Claim
35 words
A surgical sheet as claimed in claim 1, the upper of said layers having a hole therethrough whose diameter is greater than the length of said elongated opening but less than that of said circle.
Claim 6
Dependent Claim
33 words
A surgical sheet as claimed in claim 4, said layers being secured together radially inwardly of said circle only along radially extending lines, thereby to provide a plurality of pockets between said lines.
Claim 7
Dependent Claim
31 words
A surgical sheet as claimed in claim 1, in which at least one of said layers is a laminate of said liquid impermeable material and a layer of absorbant non-woven material.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-08-25 | 1990-02-24 | 1990-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-25 | 1994-02-24 | 1994-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-25 | 1998-02-24 | 1998-08-26 | $7700.00 | Window Closed / Lapsed |