Title:
無線式根管根尖位置測定器
Document Type and Number:
Japanese Patent JP4777262
Kind Code:
B2
Abstract:
A wireless dental apex locator (10) for use in determining the location of the apex of a patient's root, includes an electronic module (13) having a battery power source (13a), an impedance analyzer circuit (13b) and a radio frequency transmitter (13c); a grounding module (12) having a clip (15) for grounding the patient; a probe module (14) having an endodontic probe (21); and an associated but not physically connected display unit (11) having a receiver (31) for receiving radio frequency signals from the transmitter (13c). The display unit (11) has an electronic circuit that conditions the signals and interprets the signal for display on a graphic display (31).
Inventors:
Maxwell, Randall
Garlot, Charles, E.
Garlot, Charles, E.
Application Number:
JP2006549441A
Publication Date:
September 21, 2011
Filing Date:
January 07, 2005
Export Citation:
Assignee:
Dentsply International,Inc.
International Classes:
A61C19/04
Domestic Patent References:
| JPH08640A | 1996-01-09 |
Foreign References:
| WO2003005930A1 | ||||
| US3993044 |
Attorney, Agent or Firm:
Okabe
Masao Okabe
Nobuaki Kato
Shinichi Usui
Takao Ochi
Teruhisa Motomiya
Seiichiro Takahashi
Koji Yoshizawa
Takao Matsui
Masao Okabe
Nobuaki Kato
Shinichi Usui
Takao Ochi
Teruhisa Motomiya
Seiichiro Takahashi
Koji Yoshizawa
Takao Matsui