DE69425561D1 - Verfahren und vorrichtung zur bestimmung der dichte von knochenmaterial - Google Patents
Verfahren und vorrichtung zur bestimmung der dichte von knochenmaterialInfo
- Publication number
- DE69425561D1 DE69425561D1 DE69425561T DE69425561T DE69425561D1 DE 69425561 D1 DE69425561 D1 DE 69425561D1 DE 69425561 T DE69425561 T DE 69425561T DE 69425561 T DE69425561 T DE 69425561T DE 69425561 D1 DE69425561 D1 DE 69425561D1
- Authority
- DE
- Germany
- Prior art keywords
- hard tissue
- damping factor
- density
- transducer
- patient
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4504—Bones
- A61B5/4509—Bone density determination
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
- A61B5/0051—Detecting, measuring or recording by applying mechanical forces or stimuli by applying vibrations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B9/00—Instruments for examination by percussion; Pleximeters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rheumatology (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/025,941 US5402781A (en) | 1993-03-03 | 1993-03-03 | Method and apparatus for determining bone density and diagnosing osteoporosis |
PCT/US1994/002173 WO1994020024A1 (en) | 1993-03-03 | 1994-03-01 | Method and apparatus for determining bone density |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69425561D1 true DE69425561D1 (de) | 2000-09-21 |
Family
ID=21828900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69425561T Expired - Lifetime DE69425561D1 (de) | 1993-03-03 | 1994-03-01 | Verfahren und vorrichtung zur bestimmung der dichte von knochenmaterial |
Country Status (8)
Country | Link |
---|---|
US (1) | US5402781A (de) |
EP (1) | EP0687163B1 (de) |
JP (1) | JPH08506740A (de) |
AT (1) | ATE195410T1 (de) |
AU (1) | AU681385B2 (de) |
CA (1) | CA2157366A1 (de) |
DE (1) | DE69425561D1 (de) |
WO (1) | WO1994020024A1 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5836876A (en) * | 1993-03-03 | 1998-11-17 | Washington University | Method and apparatus for determining bone density and diagnosing osteoporosis |
US5476009A (en) * | 1993-03-03 | 1995-12-19 | Washington University | Method and apparatus for determining material fatigue by measuring damping factors |
US5652386A (en) * | 1993-03-03 | 1997-07-29 | Washington University | Method and apparatus for predicting sturctural integrity by estimating modal damping factor |
US5520052A (en) * | 1994-02-10 | 1996-05-28 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for determining material structural integrity |
JP2883290B2 (ja) * | 1995-04-10 | 1999-04-19 | アロカ株式会社 | 超音波骨評価装置 |
ES2111474B1 (es) * | 1995-09-14 | 1998-11-01 | Rubio Jose Luis Bardasano | Aparato e instalacion para medir la piezo-electricidad osea directa y el correspondiente metodo de medida. |
WO1997028740A1 (en) * | 1996-02-09 | 1997-08-14 | Cambria Medical Science, Inc. | Method and apparatus for inducing and detecting anatomic torsion |
US5800363A (en) * | 1996-03-27 | 1998-09-01 | Cheng; Shu Lin | Method for diagnosing and monitoring osteoporosis |
GB9610281D0 (en) * | 1996-05-16 | 1996-07-24 | Ralston Stuart H | Diagnostic method and apparatus |
US5895364A (en) * | 1996-06-20 | 1999-04-20 | The Trustees Of Stevens Institute Of Technology | Non-invasive technique for bone mass measurement |
EP0964641A4 (de) * | 1997-01-17 | 2000-04-19 | Assurance Medical Inc | Gewebe-untersuchung |
US5836891A (en) * | 1997-05-20 | 1998-11-17 | Dimarogonas; Andrew D. | Method and apparatus for determining the density and structural integrity of biological tissues, medical implants and structural parts |
EP1001703A1 (de) * | 1997-08-05 | 2000-05-24 | The Research Foundation of State University of New York | Nichtinvasives verfahren zur auswertung von physiologischen parametern mittels vibrationen |
US5852647A (en) * | 1997-09-24 | 1998-12-22 | Schick Technologies | Method and apparatus for measuring bone density |
US6030221A (en) * | 1998-02-11 | 2000-02-29 | Cavitat, Inc. | Ultrasonic apparatus and for precisely locating cavitations within jawbones and the like |
US6029521A (en) * | 1998-10-19 | 2000-02-29 | National Science Council | Method for measuring cover thickness of reinforcing bar in concrete by using stress wave |
CA2348467A1 (en) | 1998-11-08 | 2000-05-18 | Sunlight Medical, Ltd. | Bone velocity determination |
DE10018654A1 (de) * | 2000-04-14 | 2001-12-13 | Jacek Czernicki | Verfahren und Vorrichtung zur Ermittlung des anatomischen Zustands eines Menschen oder eines Tieres, insbesondere zur Diagnose von Osteoporose |
WO2005023093A2 (en) * | 2003-09-05 | 2005-03-17 | William Marsh Rice University | Noninvasive tissue assessment |
WO2006039358A2 (en) * | 2004-09-30 | 2006-04-13 | The Regents Of The University Of California | Method for assessment of the structure-function characteristics of structures in a human or animal body |
IL166115A (en) * | 2005-01-03 | 2012-06-28 | Dan Adam | Depth measurement, the sound is based on sound for medical applications |
US20070238992A1 (en) * | 2006-02-01 | 2007-10-11 | Sdgi Holdings, Inc. | Implantable sensor |
US7328131B2 (en) | 2006-02-01 | 2008-02-05 | Medtronic, Inc. | Implantable pedometer |
US7993269B2 (en) | 2006-02-17 | 2011-08-09 | Medtronic, Inc. | Sensor and method for spinal monitoring |
US8016859B2 (en) * | 2006-02-17 | 2011-09-13 | Medtronic, Inc. | Dynamic treatment system and method of use |
US20070197895A1 (en) | 2006-02-17 | 2007-08-23 | Sdgi Holdings, Inc. | Surgical instrument to assess tissue characteristics |
US7918796B2 (en) * | 2006-04-11 | 2011-04-05 | Warsaw Orthopedic, Inc. | Volumetric measurement and visual feedback of tissues |
CN100477960C (zh) * | 2007-02-05 | 2009-04-15 | 中国人民解放军第三军医大学第一附属医院 | 3-d骨断端应力测量装置 |
US20080228072A1 (en) * | 2007-03-16 | 2008-09-18 | Warsaw Orthopedic, Inc. | Foreign Body Identifier |
WO2011160102A2 (en) | 2010-06-19 | 2011-12-22 | Perimetrics, Llc | System and method for determining structural characteristics of an object |
US9179843B2 (en) | 2011-04-21 | 2015-11-10 | Hassan Ghaderi MOGHADDAM | Method and system for optically evaluating proximity to the inferior alveolar nerve in situ |
US9869606B2 (en) | 2011-06-18 | 2018-01-16 | Perimetrics, Llc | System and method for determining structural characteristics of an object |
WO2013090863A1 (en) | 2011-12-16 | 2013-06-20 | Perimetrics, Llc | System and method for determining structural characteristics of an object |
US9949712B1 (en) * | 2013-09-06 | 2018-04-24 | John William Millard | Apparatus and method for measuring the sound transmission characteristics of the central nervous system volume of humans |
WO2017117328A1 (en) * | 2015-12-29 | 2017-07-06 | Robert Coleman | System and methods for dynamic bone structure interaction |
MX2019007883A (es) * | 2016-12-30 | 2019-08-29 | Perimetrics Llc | Sistema y metodo para determinar las caracteristicas estructurales de un objeto. |
EP3592227B1 (de) * | 2017-03-10 | 2022-03-02 | University of Washington | Verfahren und systeme zur messung und bewertung der stabilität von medizinischen implantaten |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2156983B (en) * | 1983-08-26 | 1987-03-11 | Mintowt Czyz Witek | Method and apparatus for assessing the structure and mechanical integrity of osseous systems |
EP0181131A3 (de) * | 1984-11-01 | 1987-05-20 | Kent Scientific and Industrial Projects Limited | Gerät zur Bestimmung der Resonanzfrequenz von Knochen |
US5006984A (en) * | 1987-03-10 | 1991-04-09 | Stanford University | Bone/tissue analyzer and method |
US4754763A (en) * | 1987-06-17 | 1988-07-05 | Noninvasive Technology, Inc. | Noninvasive system and method for testing the integrity of an in vivo bone |
EP0299906A3 (de) * | 1987-07-16 | 1990-06-13 | The University Of Melbourne | In vivo Knochenbeschaffenheitsmessung |
US4941474A (en) * | 1988-07-01 | 1990-07-17 | Massachusetts Institute Of Technology | Multivariable analysis of bone condition |
US4926870A (en) * | 1988-08-30 | 1990-05-22 | Osteo-Technology, Inc. | Method and apparatus for ultrasonic analysis of bone strength in vivo |
US5143069A (en) * | 1989-04-24 | 1992-09-01 | Orthosonics, Inc. | Diagnostic method of monitoring skeletal defect by in vivo acoustic measurement of mechanical strength using correlation and spectral analysis |
WO1991006245A1 (en) * | 1989-10-24 | 1991-05-16 | The Adelaide Bone And Joint Research Foundation Inc | Vibrational analysis of bones |
US5476009A (en) * | 1993-03-03 | 1995-12-19 | Washington University | Method and apparatus for determining material fatigue by measuring damping factors |
-
1993
- 1993-03-03 US US08/025,941 patent/US5402781A/en not_active Expired - Fee Related
-
1994
- 1994-03-01 CA CA002157366A patent/CA2157366A1/en not_active Abandoned
- 1994-03-01 AU AU62521/94A patent/AU681385B2/en not_active Ceased
- 1994-03-01 JP JP6513519A patent/JPH08506740A/ja active Pending
- 1994-03-01 AT AT94909836T patent/ATE195410T1/de not_active IP Right Cessation
- 1994-03-01 WO PCT/US1994/002173 patent/WO1994020024A1/en active IP Right Grant
- 1994-03-01 EP EP94909836A patent/EP0687163B1/de not_active Expired - Lifetime
- 1994-03-01 DE DE69425561T patent/DE69425561D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU681385B2 (en) | 1997-08-28 |
EP0687163A4 (de) | 1996-03-06 |
US5402781A (en) | 1995-04-04 |
EP0687163A1 (de) | 1995-12-20 |
ATE195410T1 (de) | 2000-09-15 |
EP0687163B1 (de) | 2000-08-16 |
WO1994020024A1 (en) | 1994-09-15 |
AU6252194A (en) | 1994-09-26 |
JPH08506740A (ja) | 1996-07-23 |
CA2157366A1 (en) | 1994-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |