Title:
トルクと捩り角度を表示する手段を持つ手術器具
Document Type and Number:
Japanese Patent JP4160125
Kind Code:
B2
Abstract:
A surgical instrument (12) includes a tool for screwing in a surgical implant or for cutting a thread in human bone tissue with thread tap. Also included is a unit (2) for supplying power and controlling the speed of an electric motor included in the tool, for example a d.c. motor (1). Detection members (7, 8) transmit signals (i1), dependent on the torque of the tool, to display members which comprise a computer unit (9) with screen (10). Displayed on the screen is a curve which shows the torque in relation to the torsional angle position. A curve or curves displayed in this way form(s) the basis for assessing the quality of the implant or of the bone tissue.
Inventors:
Carlson, Renato
Petterson, Andels
Petterson, Andels
Application Number:
JP52867998A
Publication Date:
October 01, 2008
Filing Date:
December 15, 1997
Export Citation:
Assignee:
Novel Biocare Arb (Pubble)
International Classes:
A61B17/16; A61B17/56; A61B19/00; A61B17/88; A61C1/00; A61C8/00; A61C1/18
Domestic Patent References:
| JP8508574A | ||||
| JP48085978A | ||||
| JP6179177A | ||||
| JP7289539A |
Foreign References:
| GB2098740A |
Attorney, Agent or Firm:
Nobuaki Kazehaya
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