The strange thing is that I am unable to find "shaft torquer" on any site, only "shaft torque"...is this a bona fide English text?

http://www.biomedcentral.com/content/pdf/1532-429X-11-29.pdf

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Note added at 1 hr (2012-07-27 15:11:11 GMT)
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OR

torque shaft

FHT Debulking Catheter
www.ev3.net/assets/004/5429.pdf
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Tissue Removal Assembly. c. Insert the catheter tip into the distal opening of the. Tissue Removal Assembly until it bottoms out. d. Rotate the torque shaft to ...