Silicone gel implants were approved by the U.S. Food and Drug Administration for cosmetic breast augmentation in November 2006. The move ended a 14-year moratorium during which silicone gel implants were available in the U.S. only for breast reconstruction, for women who already had these implants and needed a replacement for medical reasons and for use in ongoing clinical trials.
In surgical practice, for the reconstruction of a breast, the tissue expander device is a temporary breast prosthesis used to form and establish an implant pocket for the future permanent breast implant. For the correction of male breast defects and deformities, the pectoral implant is the breast prosthesis used for the reconstruction and the aesthetic repair of a man's chest wall (see: gynecomastia and mastopexy).
Dr. Larry Fan is a Harvard educated, Board Certified Plastic Surgeon in San Francisco, CA. He is a Master Artist who is known for creating beautiful, stunning, and natural results. Dr. Fan has been named One of America's Top Plastic Surgeons for the past 10 years running and has received several national awards for his work in Plastic Surgery. He has successfully performed more than 10,000 cosmetic procedures of the face, breasts, and body over a 20 year period. Dr Fan has been an invited speaker at the American Society of Plastic Surgeons and the American College of Surgeons, and has been featured in national media outlets such as CNN, NBC, and ABC.
In the mid-twentieth century, Morton I. Berson, in 1945, and Jacques Maliniac, in 1950, each performed flap-based breast augmentations by rotating the patient's chest wall tissue into the breast to increase its volume. Furthermore, throughout the 1950s and the 1960s, plastic surgeons used synthetic fillers—including silicone injections received by some 50,000 women, from which developed silicone granulomas and breast hardening that required treatment by mastectomy.[112] In 1961, the American plastic surgeons Thomas Cronin and Frank Gerow, and the Dow Corning Corporation, developed the first silicone breast prosthesis, filled with silicone gel; in due course, the first augmentation mammoplasty was performed in 1962 using the Cronin–Gerow Implant, prosthesis model 1963. In 1964, the French company Laboratoires Arion developed and manufactured the saline breast implant, filled with saline solution, and then introduced for use as a medical device in 1964.[88]

Both anesthesiologists and registered nurse anesthetists can administer anesthesia. An anesthesiologist is a specially trained physician who will administer anesthesia and monitor your vital signs during surgery. A registered nurse anesthetist has specialized training to do the same.  However, while a registered nurse's services can cost about $300 per hour, an anesthesiologist's services can cost closer to $500 per hour.
Breast implants are available in two basic shapes: round and contoured. Contoured implants were originally designed to be used for breast reconstruction, but are now used for cosmetic breast augmentation as well. Contoured implants are shaped like a teardrop to simulate the natural shape of the breast and are made with a textured surface to help prevent movement or rotation. Round implants can also be used to create a very natural appearance, especially when placed under the muscle.
1996 France Agence Nationale pour le Developpement de l’Evaluation Medicale (ANDEM) [National Agency for Medical Development and Evaluation][30] French original: "Nous n'avons pas observé de connectivité ni d'autre pathologie auto-immune susceptible d'être directement ou indirectement induite par la présence d'un implant mammaire en particulier en gel de silicone...."
the third technological development was the double lumen breast implant device, a double-cavity prosthesis composed of a silicone breast implant contained within a saline breast implant. The two-fold, technical goal was: (i) the cosmetic benefits of silicone-gel (the inner lumen) enclosed in saline solution (the outer lumen); (ii) a breast implant device the volume of which is post-operatively adjustable. Nevertheless, the more complex design of the double-lumen breast implant suffered a device-failure rate greater than that of single-lumen breast implants. The contemporary versions of second-generation breast implant devices (presented in 1984) are the "Becker Expandable" models of breast implant, which are primarily used for breast reconstruction.
Placing the breast implants on top of the muscle, which has been the traditional procedure, can result in a slightly higher risk of contraction. This issue is a cosmetic problem, rather than a medical or health issue. Gel/Silicone implants have been placed both above and below the muscle without a significant difference in the rates of having contraction.
Saline filled breast implants consist of a silicone elastomer (rubber) shell that is filled with a sterile saline solution at the time of surgery. Saline breast implants come in a wide range of sizes and are available with both moderate and high profiles (the amount of projection of the breast silhouette). Most women choose round implants, but contoured, or shaped, styles are also available and may be recommended for women with smaller breasts. Contoured implants are made with a textured surface designed to keep them from turning and losing their shape. A new style of round implant is Mentor's post-operatively adjustable implants, which can be adjusted in size up to 6 months after surgery.
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