Surgery – Controlled release therapeutic device or system – Osmotic or diffusion pumped device or system
Patent
1983-07-14
1986-05-20
Foelak, Morton
Surgery
Controlled release therapeutic device or system
Osmotic or diffusion pumped device or system
604 55, 604 93, 128127, 128130, 128131, 424 78, 424DIG14, A61K 922, A61F 266, A61F 546
Patent
active
045898804
ABSTRACT:
A disposable, spermicide-releasing intravaginal contraceptive barrier formed from a homogeneous blend mixture of a thermoplastic polymer, a water-soluble polymer and a spermicide which is released at a controlled rate sufficient to provide contraceptive action for a period of up to 48 hours and methods of making the same.
REFERENCES:
patent: 2234495 (1941-03-01), Lay
patent: 2697057 (1954-12-01), Senger et al.
patent: 3015598 (1962-01-01), Jones
patent: 3117575 (1964-01-01), Snell
patent: 3545439 (1970-12-01), Duncan
patent: 3920805 (1975-11-01), Roseman
patent: 3975350 (1976-08-01), Hudgin et al.
patent: 3991760 (1976-11-01), Drobish et al.
patent: 3995633 (1976-12-01), Gougeon
patent: 4007249 (1977-02-01), Erb
patent: 4012496 (1977-03-01), Schopflin et al.
patent: 4093490 (1978-06-01), Ziets et al.
patent: 4187286 (1980-02-01), Marcus
patent: 4198965 (1980-04-01), Strickman et al.
patent: 4198976 (1980-04-01), Drobish et al.
patent: 4200090 (1980-04-01), Drobish
patent: 4219016 (1980-08-01), Drobish et al.
patent: 4286587 (1981-09-01), Wong
patent: 4286593 (1981-09-01), Place et al.
patent: 4292965 (1981-10-01), Nash et al.
patent: 4304226 (1981-12-01), Drobish et al.
patent: 4311543 (1982-01-01), Strickman et al.
patent: 4369773 (1983-01-01), Chvapil
patent: 4469671 (1984-09-01), Zimmerman et al.
Lachman et al., The Theory and Practice of Industrial Pharmacy, Lea & Febiger, 1976, pp. 32-38.
Proceedings from Drug Delivery Systems Workshop, Baker et al., "Intrauterine Release of Estriol for Contraception, Part II Device Fabrication and In Vitro Release Rates", pp. 49-78, 215-216, Aug. 2-3, 1976, U.S. Dept. Health Education and Welfare, N1H, Bethesda, Md.
"Population Reports Barrier Methods", Series H, No. 4, Jan. 1976, Dept. of Med. and Pub. Aff., GWU Med. Center, Wash., D.C.
"Population Reports Barrier Methods", Series H, No. 5, Sep. 1979, Population Info. Prog., Johns Hopkins U., Baltimore, Md.
Casper Robert A.
Cowsar Donald R.
Dunn Richard L.
Terry Richard N.
Foelak Morton
Needle William H.
Nutter Nathan M.
Rosenberg Sumner C.
Southern Research Institute
LandOfFree
Disposable spermicide-releasing diaphragm does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Disposable spermicide-releasing diaphragm, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Disposable spermicide-releasing diaphragm will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2106569