JPH0238221B2 - - Google Patents
Info
- Publication number
- JPH0238221B2 JPH0238221B2 JP53090869A JP9086978A JPH0238221B2 JP H0238221 B2 JPH0238221 B2 JP H0238221B2 JP 53090869 A JP53090869 A JP 53090869A JP 9086978 A JP9086978 A JP 9086978A JP H0238221 B2 JPH0238221 B2 JP H0238221B2
- Authority
- JP
- Japan
- Prior art keywords
- tooth
- voltage
- probe
- electrode
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000000638 stimulation Effects 0.000 claims description 45
- 239000000523 sample Substances 0.000 claims description 43
- 238000012360 testing method Methods 0.000 claims description 40
- 210000003074 dental pulp Anatomy 0.000 claims description 19
- 210000005036 nerve Anatomy 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 27
- 238000004804 winding Methods 0.000 description 14
- 208000002193 Pain Diseases 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 206010061218 Inflammation Diseases 0.000 description 2
- 230000002757 inflammatory effect Effects 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 206010000269 abscess Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 235000021270 cold food Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 235000021268 hot food Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0534—Measuring electrical impedance or conductance of a portion of the body for testing vitality of teeth
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/818,737 US4177799A (en) | 1977-07-25 | 1977-07-25 | Dental pulp tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5424487A JPS5424487A (en) | 1979-02-23 |
| JPH0238221B2 true JPH0238221B2 (en, 2012) | 1990-08-29 |
Family
ID=25226285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9086978A Granted JPS5424487A (en) | 1977-07-25 | 1978-07-25 | Dental pulp tester |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4177799A (en, 2012) |
| JP (1) | JPS5424487A (en, 2012) |
| CA (1) | CA1105561A (en, 2012) |
| DE (1) | DE2860520D1 (en, 2012) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54149295A (en) * | 1978-05-15 | 1979-11-22 | Kiyoshi Hasegawa | Pulp canal length measuring device |
| JPS5627246A (en) * | 1979-08-09 | 1981-03-17 | Dentaru Electronics Kenkyusho | Dental stethoscope |
| JP3113095B2 (ja) * | 1991-09-30 | 2000-11-27 | 株式会社モリタ製作所 | 歯科用根管診療装置 |
| US6306100B1 (en) * | 1997-12-16 | 2001-10-23 | Richard L. Prass | Intraoperative neurophysiological monitoring system |
| US6442422B1 (en) * | 1999-08-11 | 2002-08-27 | Ge Medical Systems Information Technologies, Inc. | Compliance monitoring apparatus and method |
| US7214197B2 (en) * | 2001-11-06 | 2007-05-08 | Prass Richard L | Intraoperative neurophysiological monitoring system |
| WO2005079668A1 (en) * | 2004-02-19 | 2005-09-01 | Erskine Products Pty Ltd | Tooth pulp condition probe |
| US10136977B2 (en) * | 2008-11-03 | 2018-11-27 | Thomas L. Jones | Dental testing device for heat sensitivity |
| US8579630B2 (en) * | 2009-08-12 | 2013-11-12 | Ashish Kakar | Apparatus and method for measuring dentin hypersensitivity |
| US8746240B2 (en) * | 2010-05-15 | 2014-06-10 | Nate Terry & Michael Edward Breede | Activation trigger for a personal vaporizing inhaler |
| US20120322022A1 (en) * | 2011-06-16 | 2012-12-20 | Garbin Development | Tooth vitality tester |
| CA2794231C (en) * | 2012-10-31 | 2018-08-14 | Ioannidis Nektarios | Periodontal probe with touch sensing |
| US10098585B2 (en) | 2013-03-15 | 2018-10-16 | Cadwell Laboratories, Inc. | Neuromonitoring systems and methods |
| US9935395B1 (en) | 2017-01-23 | 2018-04-03 | Cadwell Laboratories, Inc. | Mass connection plate for electrical connectors |
| JP6897177B2 (ja) * | 2017-03-10 | 2021-06-30 | セイコーエプソン株式会社 | リハビリに使用可能な訓練装置及びリハビリに使用可能な訓練装置用のコンピュータープログラム |
| US11992339B2 (en) | 2018-05-04 | 2024-05-28 | Cadwell Laboratories, Inc. | Systems and methods for dynamic neurophysiological stimulation |
| US11253182B2 (en) | 2018-05-04 | 2022-02-22 | Cadwell Laboratories, Inc. | Apparatus and method for polyphasic multi-output constant-current and constant-voltage neurophysiological stimulation |
| US11443649B2 (en) | 2018-06-29 | 2022-09-13 | Cadwell Laboratories, Inc. | Neurophysiological monitoring training simulator |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2204295A (en) * | 1938-11-29 | 1940-06-11 | Robert H Brockman | Dental pulp tester |
| US2522052A (en) * | 1947-07-03 | 1950-09-12 | James J Logan | Tooth pulp tester |
| US2949107A (en) * | 1953-04-06 | 1960-08-16 | Ritter Co Inc | Apparatus for determining the vitality of teeth |
| DE1099658B (de) * | 1959-04-29 | 1961-02-16 | Siemens Reiniger Werke Ag | Selbsttaetige Einschaltvorrichtung fuer Hochfrequenzchirurgiegeraete |
| US3128759A (en) * | 1961-03-10 | 1964-04-14 | White S Dental Mfg Co | Tooth vitality determining device |
| US3295514A (en) * | 1964-06-08 | 1967-01-03 | Dentists Supply Co | Electrical dental instrument assembly |
| US3478744A (en) * | 1964-12-30 | 1969-11-18 | Harry Leiter | Surgical apparatus |
| DE2006230C3 (de) * | 1970-02-12 | 1973-11-22 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Elektrischer Pulpenprüfer |
| US3755900A (en) * | 1972-03-03 | 1973-09-04 | J Friedman | Dental pulp tester |
| US3794022A (en) * | 1972-06-30 | 1974-02-26 | E Nawracaj | Dual oscillator, variable pulse duration electrotherapeutic device |
-
1977
- 1977-07-25 US US05/818,737 patent/US4177799A/en not_active Expired - Lifetime
-
1978
- 1978-07-19 CA CA307,662A patent/CA1105561A/en not_active Expired
- 1978-07-20 DE DE7878100459T patent/DE2860520D1/de not_active Expired
- 1978-07-25 JP JP9086978A patent/JPS5424487A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4177799A (en) | 1979-12-11 |
| DE2860520D1 (en) | 1981-04-09 |
| CA1105561A (en) | 1981-07-21 |
| JPS5424487A (en) | 1979-02-23 |
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