Boring needle device for treatment of a dental root canal

Details Boring needle device for treatment of a dental root canal Boring needle device for treatment of a dental root canal

1979-07-16

1981-05-19

Mancene, Gene

Dentistry

Apparatus

Having gauge or guide

433102, A61C 502

Patent

active

042682517

ABSTRACT:
PCT No. PCT/JP78/00026 Sec. 371 Date July 17, 1979 Sec. 102(e) Date July 16, 1979 PCT Filed Nov. 15, 1978 PCT Pub. No. WO79/00300 PCT Pub. Date May 31, 1979
A boring needle device for treatment of a dental root canal has a boring needle useful upon treating a dental root canal. The needle can be adjusted, without resort to any special adjustment expedient, to a boring effective needle length which is corresponding to a depth of the canal preliminarily determined by separate means. The needle is secured at the proximal end to a grip member which is caused to stepwisely minutely slide relative to a sleeve member whereby a length of the needle projecting from the sleeve member can be finely adjusted by a determined minute distance.

REFERENCES:
patent: 3562913 (1971-02-01), Saffro
patent: 3713221 (1973-01-01), Malmin
patent: 3905375 (1975-09-01), Toyama
patent: 3924334 (1975-12-01), Lentine et al.
patent: 4165562 (1979-08-01), Sarfatti

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