US3824709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic childbirth simulator for teaching maternity patient care
Assignee: University of Kentucky Research Foundation
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Filing: 1973-11-05
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Granted: 1974-07-23
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Expires: 1993-11-05
Abstract
Abstract A programmable patient simulator for teaching maternity patient care includes a life size manikin with a pelvis, vaginal canal, uterus, placenta, umbilical cord, and a fetal doll from which heart sounds are emitted. A programmable electro-pneumatic system controls the simulated uterine contractions, position of the uterus, rupture of membranes, expulsion of fetal doll, and fetal heart rate during labor and delivery sequence. The invention described herein was made in the course of work under a grant or award from the Department of Health, Education and Welfare.
Inventors
- 👤 C Knapp
- 👤 G Eades
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:45
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/28; G09B23/281
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
89 words
A training device of the type used in teaching maternity patient care comprising, a simulated uterus adapted to contain a fetal doll, said uterus having a flexible inner wall, a flexible middle wall attached to and inflatable with respect to said inner wall intermediate the extreme ends of the uterus, a flexible outer wall attached to and inflatable with respect to said middle wall, and means for supplying a pressure fluid independently into the respective spaces between said inner and middle walls and between said middle and outer walls.
Claim 2
Dependent Claim
89 words
A training device of the type used in teaching maternity patient care comprising, a simulated uterus adapted to contain a fetal doll, said uterus having a flexible inner wall, a flexible middle wall attached to and inflatable with respect to said inner wall intermediate the extreme ends of the uterus, a flexible outer wall attached to and inflatable with respect to said middle wall, and means for supplying a pressure fluid independently into the respective spaces between said inner and middle walls and between said middle and outer walls.
Claim 3
Dependent Claim
27 words
A uterus as defined in claim 1 having a cervix portion and means for selectively supplying air under pressure to and removing air from said cervix portion.
Claim 4
Dependent Claim
30 words
A uterus as defined in claim 1 including means for selectively opening said uterus for insertion of said doll therein and for closing said uterus after insertion of said doll.
Claim 5
Dependent Claim
20 words
A uterus as defined in claim 1 having an opening therein for receiving an electrical conductor leading to said doll.
References Cited (Backward Citations)
US2551433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |