US3755042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterile packaging method for surgical devices
Assignee: Dow Silicones Corp
•
Filing: 1971-09-15
•
Granted: 1973-08-28
•
Expires: 1991-09-15
Abstract
Abstract Method of sterile packaging of a surgical device comprising heat forming a sheet of Teflon FEP to form a blister having shape and dimensions of the device, placing the device in the blister, covering it with a second sheet of Teflon FEP, heat sealing the edges of the package and dry heat sterilizing the packaged device.
Inventors
- 👤 G Robertson
- 👤 L Breasbois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:39
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/04; A61L2/06; A61L2/07; A61F; A61F2/00; A61F2/0095; A61L2/26; A61F2/02; A61F2/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
24 words
The method as defined in claim 1 wherein said cavity is formed by drawing said first sheet into the mold by use of vacuum.
Claim 2
Dependent Claim
43 words
The method as defined in claim 1 and further comprising prior to the step of placing the device in the cavity, wrapping the device in a drapable sheet of material which is heat stable at the temperatures used during the heat sterilization step.
Claim 3
Dependent Claim
17 words
The method defined in claim 3 wherein said drapable sheet material is also Teflon FEP fluorocarbon film.
References Cited (Backward Citations)
US2917878A
Cited
US3189702A
Cited
US3389749A
Cited
US3481100A
Cited
US3649409A
Cited
US3613879A
Cited
US3673760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |