Method of controlling curvature of a medical device
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United States of America Patent
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-
Apr 15, 1997
Issued Date -
N/A
app pub date -
Mar 10, 1995
filing date -
Nov 30, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The medical soft equipment and its means and instruments for controlling curvature relates to a piece of curvature controlling equipment of the kind which includes a pressure source, a pressure control unit as well as a soft tube (1) with one or more pressure control cavity or cavities (2) positioned inside, which is conductive to fluid pressure-transmitting medium. By using the pressure source, the pressure control unit, a kind of fluid pressure-transmitting medium and the soft tube with the pressure control cavity or cavities, differential pressures inside the cavity can be used to control the curvature of the needed part of the medical soft equipment, thus accomplishing the object of the present invention, which possesses the such merits as taking little space, alleviating the patient's suffering during operation with less serious tissue injuries, safe and reliable to manipulate, easy to control, and facilitating batch production.
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