Patent US3780857A successfully refreshed from Google Patents.
US3780857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument package with sterile field
Assignee: CR Band Inc
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Filing: 1971-12-30
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Granted: 1973-12-25
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Expires: 1991-12-30
Abstract
Abstract A sterilizable sealed plastic sheet or film package containing a folded sheet of material adapted to form a sterile field when unfolded, said sheet being reinforced in a limited area by means of an attached relatively stiff sterilizable piece of cardboard, and said package also containing optionally, one or more instruments.
Inventors
- 👤 J Rosano
- 👤 V Vaillancourt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:09
CPC Classifications
A; A61; A61B; A61B50/00; A61B50/30; A61B2050/314; A61B2050/318; A61B46/00; A61B46/10; Y; Y10; Y10S; Y10S206/00; Y10S206/803
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
165 words
A package assembly comprising a sealed sterilizable pouch made at least in part of plastic sheet material, and an instrument field element contained in said pouch, said field having a flat stiff portion and a flexible sheet portion secured to said stiff portion, said sheet portion having an area greater than the area of said stiff portion and being so located that at least part of the surface of the sheet portion designed to be the upper surface of the field is covered by other parts of the sheet portion and at least a part of the stiff portion is also covered by the sheet portion, the stiff portion being rectangular, the sheet portion including a flap having a width substantially equal to the length of one edge of the stiff portion, and said portions being secured together adjacent said one edge, the length of said sheet portion including said flap being greater than the dimension of the stiff portion normal to said one edge.
Claim 2
Dependent Claim
165 words
A package assembly comprising a sealed sterilizable pouch made at least in part of plastic sheet material, and an instrument field element contained in said pouch, said field having a flat stiff portion and a flexible sheet portion secured to said stiff portion, said sheet portion having an area greater than the area of said stiff portion and being so located that at least part of the surface of the sheet portion designed to be the upper surface of the field is covered by other parts of the sheet portion and at least a part of the stiff portion is also covered by the sheet portion, the stiff portion being rectangular, the sheet portion including a flap having a width substantially equal to the length of one edge of the stiff portion, and said portions being secured together adjacent said one edge, the length of said sheet portion including said flap being greater than the dimension of the stiff portion normal to said one edge.
Claim 3
Dependent Claim
20 words
A package according to claim 1 wherein the folded portion covers all of the upper surface of the stiff portion.
Claim 4
Dependent Claim
21 words
A package according to claim 1 wherein the stiff portion is coated cardboard and the sheet portion includes a non-woven fabric.
Claim 5
Dependent Claim
60 words
A package according to claim 1 wherein the sheet portion includes a substantially Square enlarged area folded on a line forming an extension of a second edge of the stiff portion whereby said area, when folded, constitutes an elongated two-layer strip, and said strip having a length such that it covers all of the upper surface of the stiff portion.
Claim 6
Dependent Claim
23 words
A package according to claim 1 wherein the stiff portion is scored on a line spaced from and parallel to said one edge.
Claim 7
Dependent Claim
20 words
A package according to claim 1 which includes means on said stiff portion for removably retaining one or more instruments.
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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) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |