Title:
DRILLING NEEDLE FOR MEDICAL TREATMENT OF ROOT CANALS
Document Type and Number:
WIPO Patent Application WO/1979/000300
Kind Code:
A1
Abstract:
A drilling needle for medical treatment of root canals to a length corresponding to the length of the dental pulp cavity whose depth is preparatively detected by other means. A telescoped member (4) of a grip (2) receiving a bottom portion of the needle (1) is slid by minute grooves in coherent contact with a sleeve (6), so that the length of the needle extending beyond the sleeve (6) can be finely adjusted.
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Inventors:
TAKASUGI M (JP)
OKUYAMA Y (JP)
OKUYAMA Y (JP)
Application Number:
PCT/JP1978/000026
Publication Date:
May 31, 1979
Filing Date:
November 15, 1978
Export Citation:
Assignee:
COLPO LTD (JP)
TAKASUGI M (JP)
OKUYAMA Y (JP)
TAKASUGI M (JP)
OKUYAMA Y (JP)
International Classes:
A61C5/02; A61C5/44; (IPC1-7): A61C5/02
Foreign References:
| US3562913A | 1971-02-16 | |||
| US3713221A | 1973-01-30 | |||
| US3924334A | 1975-12-09 | |||
| JPS529950B2 | 1977-03-19 |
Other References:
See also references of EP 0007959A4
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