Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Breast prosthesis – Implantable
Reexamination Certificate
2007-10-16
2007-10-16
Matthews, William H. (Department: 3738)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Breast prosthesis
Implantable
C606S190000
Reexamination Certificate
active
11054401
ABSTRACT:
A method for surgical dissection, sizing and for expansion of a tissue pocket in a naturally occurring fascial cleft is disclosed for use in plastic surgery applications and other applications where it is desirable to dissect an anatomically defined and bounded tissue pocket, determine the appropriate size of a prosthesis to be implanted into the tissue pocket and, if necessary, further expand the tissue overlying the tissue pocket. An inflatable device which performs the three distinct functions of dissection, sizing and tissue expansion is used. In a preferred method, a dissecting balloon device is tunneled bluntly to a desired location within a fascial cleft in the female breast. The device is then inflated to dissect tissue layers adjacent the fascial cleft until ligaments defining boundaries of the fascial cleft are reached, to create a tissue pocket extending to the ligmentous boundaries. After dissection, the tissue pocket may be sized by withdrawing/adjusting fluid from the inflatable member until the desired aesthetic appearance is achieved. If immediate or traditional tissue expansion is desired, the inflatable member may be utilized as a tissue expander and temporarily left in place to provide gradual tissue expansion. After the desired dissection, sizing and optional expanding, an implant prosthesis may be inserted into the tissue pocket and filled to a volume determined in the sizing step.
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Matthews William H.
Tyco Healthcare Group LP
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