CBAS does not manufacture or distribute products; we provide descriptions of these products and information about their availability in this section. CBAS does not provide medical advice and we encourage you to speak with your health care provider about which methods are right for you.
A diaphragm is a latex or silicone cup with a firm flexible rim and shallow
dome that can be coated with gel and folded for insertion into the vagina.
Indications for use as a contraceptive:
- Insert diaphragm with spermicide before intercourse
- Apply more spermicide before additional acts of intercourse
- Leave the diaphragm in place for at least six hours after intercourse
- Do not wear for more than 24 hours
The SILCS diaphragm, marketed as Caya, is an intravaginal barrier device. It
is made of silicone with an arcing ring. SILCS has a pre-shaped rim to
cling high in the vaginal vault and a finger cup on one edge for easy
removal. It is a one-size-fits-all device. It is currently available in the US, Cananda, and in select countries in Europe.
The Milex Wide Seal is a silicone diaphragm with a shallow dome and
a wide rim with an arcing or omniflex spring. It has a small skirt around
the rim intended to hold gel in place and improve the seal. It is available
in eight diameter sizes, from 60 to 95mm, in 5mm increments. The Wide
Seal diaphragm is available from the manufacturer and is distributed
in the United States, Canada, Europe, Asia, and the Middle East.
Industries and Commerce Ltd.
The Semina is a clear, silicone diaphragm with a visible coil spring.
It is available in six diameter sizes, from 60 to 85mm, in 5mm increments.
The Semina diaphragm is available in Brazil.
BufferGel Duet (under development)
The BufferGel Duet is a reusable, one-size-fits-all, clear diaphragm made of dipped polyurethane. It will be marketed with pouches of BufferGel, a candidate microbicide and contraceptive.
The Coil Spring is a latex diaphragm with a shallow dome and a flexible
rim with a coil spring. It was available in nine diameter sizes, from 55
to 95mm, in 5mm increments. The Coil Spring diaphragm was available
in the United States and elsewhere and was a popular method in the United
Kingdom. The Coil Spring was discontinued in 2008.
Janssen Pharmaceuticals, Inc.
The ALL-FLEX is a diaphragm with a shallow dome and a flexible
rim with an arcing spring. The ALL-FLEX diaphragm is made from silicone rather than latex rubber and was available in 4 sizes (65, 70, 75 and 80mm). According to
Ortho-McNeil-Janssen Pharmaceuticals, Inc., the switch from latex to silicone was expected to reduce allergic adverse events experienced with latex. The ALL-FLEX diaphragm was discontinued by Janssen Pharmaceuticals in December 2013.
The Reflexions Flat Spring is a latex diaphragm with a rim that
is similar to the coil spring but thinner and more delicate. It was available
in 5mm increments, from 55mm to 95mm. The Flat Spring was
manufactured in Britain. The Reflexions Flat Spring diaphragm was discontinued in 2014.