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Wednesday, 24 May 1972
Page: 2053

Senator CAVANAGH asked the Minister representing the Minister for Repatriation:

Is the Minister aware of the CDU intermittentfriction knee joint; if so, (a) will the Minister explain its function, (b) was this a modification of the United States Navy knee joint, first made in 1958, and referred to by Captain Thomas Canty at the 1958 Pan Pacific-Conference in Sydney; and (c) was this knee joint superseded in 1966 by the North-Western University knee.


Minister for Repatriation has provided the following answer to the honourable senator's question:

(a)   The CDU Intermittent Friction Knee Joint is a swing-phase control-knee unit involving the application of friction to the fundamental hinge joint to reduce uncontrolled swing of the lower leg.

(b)   No. The CDU kneee was developed by the central Development Unit and contained original work. Several of the components incorporated similar principles to those used in other joints based on intermittent friction, including those used in the United States Naval Hospital knee joint referred to by Captain Canty.

(c)   A number of prototypes of the CDU knee were manufactured and fitted, but production costs precluded commercial manufacture, lt was the Duncan knee unit, dealt with in my answer to question No. 2070, which was superseded by the North-Western University knee around 1965.

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