Method and apparatus for microwave aided liposuction

Details Method and apparatus for microwave aided liposuction Method and apparatus for microwave aided liposuction

1992-02-14

1994-03-22

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

With means for cutting, scarifying, or vibrating tissue

604 49, 607101, 607116, 606 33, A61B 1720

Patent

active

052959554

ABSTRACT:
Fatty tissue involved in a liposuction procedure is treated with microwave energy (also known as RF). In a particular embodiment of the invention, the microwave energy is applied by means of a catheter including a suction lumen, an electromagnetic transmission line, and an antenna coupled to the distal end of the transmission line. A microwave generator coupled to the distal end of the transmission line causes radiation from the antenna into the fatty tissue adjacent to the distal suction port of the suction lumen, which tissue is thereby heated and softened. The softened fatty tissue is more readily detached from the adjacent tissue than in the absence of heat, and less mechanical force is required for removal. In another embodiment of the invention, the transmission line is formed so that the electromagnetic field extends into the suction lumen, so that the fatty tissue being removed therethrough continues to be heated. Saline solution or other liquid with polar molecules is injected into the region being treated to provide improved coupling of energy between the electromagnetic radiation and the fatty tissue. Microwave radiation may be applied to the region being treated by means of an external radiator. The heating effect of the radiation not only softens the tissue for ready removal, but also tends to sterilize the region for reducing infection.

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