US4026281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for inserting an intrauterine contraceptive device
Assignee: Ortho Pharmaceutical Corp
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Filing: 1973-10-12
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Granted: 1977-05-31
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Expires: 1993-10-12
Abstract
Abstract A method of inserting an intrauterine contraceptive device is described. The device is mounted in a plunger and the plunger containing the device is inserted into a hollow insertion tube for insertion into the uterine cavity.
Inventors
- 👤 Derral Mayberry
- 👤 Jawahar Sawardeker
- 👤 John McShefferty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:42
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/06; A61F6/14; A61F6/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
130 words
A method of inserting an intrauterine contraceptive device which comprises: providing a tubular sheath having an outer diameter sufficiently small to permit insertion into the uterus through the cervix, said tubular sheath having at least two opposed slots along its length, introducing an intrauterine device into said tubular sheath through said opposed slots, said device being adapted to be within the fold of the uterine cavity, introducing a tubular plunger into the bottom of said tubular sheath to a point sufficient to make contact with said device, introducing said plunger, tubular sheath and the contained device through the cervix into the uterus, expelling said device from said sheath by inserting the plunger deeper into said sheath, whereby said device is in exposed condition within the uterus, and withdrawing said sheath.
Claim 2
Independent Claim
130 words
A method of inserting an intrauterine contraceptive device which comprises: providing a tubular sheath having an outer diameter sufficiently small to permit insertion into the uterus through the cervix, said tubular sheath having at least two opposed slots along its length, introducing an intrauterine device into said tubular sheath through said opposed slots, said device being adapted to be within the fold of the uterine cavity, introducing a tubular plunger into the bottom of said tubular sheath to a point sufficient to make contact with said device, introducing said plunger, tubular sheath and the contained device through the cervix into the uterus, expelling said device from said sheath by inserting the plunger deeper into said sheath, whereby said device is in exposed condition within the uterus, and withdrawing said sheath.
Claim 3
Dependent Claim
13 words
The method of claim 1 wherein the intrauterine contraceptive device is a "T".
Claim 4
Dependent Claim
14 words
The method of claim 1 wherein the intrauterine contraceptive device is a copper "T".
References Cited (Backward Citations)
US3372695A
Cited
US3407806A
Cited
US3516403A
Cited
US3533406A
Cited
US3777748A
Cited
US3783861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-30 | 1980-11-29 | 1981-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-30 | 1984-11-29 | 1985-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-30 | 1988-11-29 | 1989-05-31 | $7700.00 | Window Closed / Lapsed |