WO2019107864A1 - Dispositif pour effectuer une correction d'angle spatial tridimensionnel et une mesure de profondeur de forage pour un foret de pièce à main dentaire au moyen d'un capteur unique - Google Patents

Dispositif pour effectuer une correction d'angle spatial tridimensionnel et une mesure de profondeur de forage pour un foret de pièce à main dentaire au moyen d'un capteur unique Download PDF

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Publication number
WO2019107864A1
WO2019107864A1 PCT/KR2018/014679 KR2018014679W WO2019107864A1 WO 2019107864 A1 WO2019107864 A1 WO 2019107864A1 KR 2018014679 W KR2018014679 W KR 2018014679W WO 2019107864 A1 WO2019107864 A1 WO 2019107864A1
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WO
WIPO (PCT)
Prior art keywords
dimensional spatial
angle
drill
spatial angle
dental handpiece
Prior art date
Application number
PCT/KR2018/014679
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English (en)
Korean (ko)
Inventor
전금상
Original Assignee
(주)마이크로엔엑스
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Publication date
Application filed by (주)마이크로엔엑스 filed Critical (주)마이크로엔엑스
Publication of WO2019107864A1 publication Critical patent/WO2019107864A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/082—Positioning or guiding, e.g. of drills
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C3/00—Dental tools or instruments
    • A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0089—Implanting tools or instruments

Definitions

  • the present invention relates to a three-dimensional spatial angle correction and drilling depth measuring device for a drill for a dental handpiece by a single sensor, and more particularly, And also to measure the depth of drilling through the position of the drill bit in the X, Y, Z axes.
  • a dental handpiece is used for cutting teeth, drilling a hole in a tooth, drilling a hole in an alveolar bone, etc., and a drill bit is rotatably provided at an end thereof.
  • the amount of retention of the cast restoration is determined by the convergence angle of the tooth eraser, the surface area, and the inner surface roughness of the casting, among which the convergence angle is the primary factor, and the most research has been done.
  • the convergence angle is defined as the angle formed by the extension line of the two opposing axial walls formed on the abutment tooth by tooth erasure. It affects the maintenance of the entire length of the canal, and the optimum convergence angle is between 5 and 12 degrees.
  • the accuracy of the angle is also important for the best aesthetic results and long life for dental implant placement.
  • the implant placement angle determines the direction of the occlusal force applied to the implant and the retention of the restoration. In particular, when two or more dental implants are implanted, the angle between the various implants plays a decisive role in the function and lifetime of the implants.
  • the present invention relates to a three-dimensional spatial angle correcting device and correction device for a drill for a dental handpiece, which is not limited to a reference body for tracking or measurement equipment such as an additional camera, And it is an object of the present invention to provide an apparatus capable of performing this by using only one sensor while avoiding correction of the angle of a drill with two sensors in the related art.
  • a three-dimensional spatial angle correction and drilling depth measurement device for a dental handpiece drill by a single sensor is introduced.
  • the present invention provides a dental handpiece comprising: a housing; A sensing unit for measuring the angle of the housing in real time; An operation unit for calculating a three-dimensional spatial angle of the drill blade by correcting the angle measured by the sensing unit to an angle of the drill blade; A setting unit configured to set a reference three-dimensional spatial angle of the drill blade at a three-dimensional spatial angle desired by the operator among the three-dimensional spatial angles of the operation unit; And a display unit for displaying a warning message to notify the user when the three-dimensional spatial angle of the operation unit is out of the setting range of the reference three-dimensional spatial angle.
  • the housing is detachably mounted on the fixed portion of the dental handpiece, and the housing has a hollow portion to be detachably fitted to the fixed portion of the dental handpiece.
  • the housing is integrally formed with the fixed portion of the dental handpiece.
  • an anti-vibration member is provided on the inner peripheral surface of the hollow portion.
  • the sensing unit is an electronic sensor
  • the electronic sensor includes a gyro sensor and an acceleration sensor.
  • the display unit transmits the warning message to a wireless or wired communication module, and the communication module transmits the warning message to an external terminal, wherein the display unit displays a message indicating that the drill bit is inclined in the right direction 1 lamp and a second ramp for indicating that the drill bit is inclined downward in the direction of -Y axis and a third ramp for indicating that the drill blade is inclined in the left direction which is the -X axis direction,
  • the first, second, third, and fourth lamps are provided with one set of one or more colors, and the like.
  • the housing has a hollow cylindrical shape, and the first, second, third, and fourth lamps are provided as one lamp unit, and the lamp unit has a plurality of .
  • the setting unit further includes a switch, wherein when the operator sets the angle of the drill blade and presses the switch, the angle is set to the reference three-dimensional spatial angle, and the switch is provided on the foot plate .
  • the three-dimensional spatial angle of the drill for a dental handpiece and the drilling depth measuring device using the single sensor according to the present invention can realize the following various effects.
  • the 3D spatial angle of the drill blade of the dental handpiece is not limited by the surrounding environment. It can be corrected to the setting range of the dimensional spatial angle.
  • miniaturization and simplification can reduce the elements that can interfere with the surgeon, and it is possible to maintain the existing accuracy without being restricted by the surrounding environment factors such as intraoral metal restorations, Use can be intuitive and simple.
  • the position of the drill bit on the X axis, Y axis, and Z axis can be known by the operator through a single sensor installed in the housing, thereby enabling various effects such as drilling depth to be measured.
  • FIG. 2 is an overall block diagram of the present invention
  • Figure 4 is an overall flow chart, even though the present invention is implemented.
  • Figure 5 is a schematic flow diagram for measuring the depth of drilling through the present invention.
  • FIG. 1 is a block diagram showing an overall operation of a drill depth measuring apparatus for correcting a three-dimensional spatial angle of a drill for a dental handpiece by a single sensor according to the present invention
  • FIG. 2 is a block diagram showing an operating state in which the present invention is implemented
  • the present invention includes a housing, a sensing unit, a computing unit, a setting unit, and a display unit.
  • the housing is provided on the fixed part of the dental handpiece, the sensing part measures the angle of the housing in real time, and the calculating part calculates the three-dimensional spatial angle of the drill blade by correcting the angle measured by the sensing part with the angle of the drill bit.
  • the setting unit sets the reference three-dimensional spatial angle of the drill to a three-dimensional spatial angle desired by the operator out of three-dimensional spatial angles of the operation unit, and the display unit displays the three-dimensional spatial angle of the operation unit outside the set range of the reference three- A warning message is displayed to inform the user of this.
  • the present invention relates to a dental structure including a hard tissue and a soft tissue structure in the oral maxillofacial region including a tooth 1 of a patient and a jaw (hereinafter, the tooth 1 will be described as an example)
  • a dental structure including a hard tissue and a soft tissue structure in the oral maxillofacial region including a tooth 1 of a patient and a jaw (hereinafter, the tooth 1 will be described as an example)
  • the housing 110 is provided in the fixing part 12 of the dental handpiece 10, and the sensing part 120 and the display part 160 are provided.
  • the housing 110 can be moved to a position where the housing 110 is not covered by the caretaker's hand, for example, And may be provided so as to be positioned in an empty space between the thumb and the index finger when the pencil grip is caught.
  • the housing 110 may be detachably attached to the fixing part 12 of the dental handpiece 10 or may be integrated with the fixing part 12 of the dental handpiece 10.
  • the housing 110 when the housing 110 is detachably attached to the fixing portion 12 of the dental handpiece 10, the housing 110 can be removed when the dental handpiece 10 is cleaned, It is possible to prevent the electronic devices such as the sensing unit 120 and the display unit 160 provided in the display unit 160 from being shorted by the cleaning material.
  • the housing 110 may have a hollow portion 111 to be detachably fitted to the fixing portion 12 of the dental handpiece 10, as shown in Fig.
  • the drill bit 11 provided at the end of the dental handpiece 10 rotates.
  • the sensing unit 120 and the like provided on the housing 110 are not affected by the vibration generated at this time
  • An anti-vibration member (not shown) is preferably provided on the inner peripheral surface of the hollow portion 111.
  • the sensing unit 120 measures an angle of the housing 110 in real time and may be an electronic sensor and may include a gyro sensor S1 and an acceleration sensor S2 as shown in FIG.
  • the gyro sensor S1 and the acceleration sensor S2 are used to measure the three-dimensional spatial angle of the handpiece drill.
  • the acceleration sensor S2 measures acceleration relative to gravitational acceleration
  • the gyro sensor S1 integrates the measured angular velocity to obtain the rotation distance.
  • the angle of the housing 110 can be accurately measured with the basic information for evaluating the three-dimensional spatial angle of the drill blade 11 of the dental handpiece 10.
  • the drill depth of the X-axis, Y-axis, and Z-axis drill blades can be measured through a single sensor installed in the housing.
  • the MPU-6050 module in which the acceleration sensor S2 and the gyro sensor S1 are incorporated together can be used.
  • Such a separate sensor is prepared for the case where the patient's head or jaw is moved.
  • the angle of the tooth 1 requiring treatment of the patient also changes, It is possible to accurately provide the angle correction value of the drill bit 11 with respect to the tooth 1 through the calculation unit 140 when the measurement is performed accurately.
  • the present invention can be applied to a device capable of adjusting the three- The present invention has been made in view of the above problems.
  • the arithmetic unit 140 calculates the three-dimensional spatial angle of the drill bit by correcting the angle of the housing 110 measured by the sensing unit 120 with the angle of the drill bit 11.
  • the position of the drill bit on the X axis, Y axis, and Z axis can be known through a single sensor installed on the housing in a three-dimensional angle, and furthermore, the depth of drilling through the X axis, Y axis, Can be measured.
  • the three-dimensional spatial angle of the drill blade can be calculated by correcting the measurement values obtained by the sensing unit 120 through a correction algorithm such as a Kalman filter algorithm.
  • the setting unit 150 sets a reference three-dimensional spatial angle of the drill blade 11 with respect to the tooth 1 at a desired three-dimensional spatial angle of the three-dimensional spatial angle of the calculating unit 140, When the angle of the drill bit 11 is set to a desired angle and then the switch 151 is pressed, the angle can be set to the reference three-dimensional spatial angle.
  • the switch 151 may be provided on the foot plate so as to be pressed by the foot.
  • the present invention can be operated by a switch.
  • the present invention is not limited thereto, and a switching function may be performed through a separate device.
  • the switch 150 and the setting unit 150 may be connected by wire or may be connected through wireless communication though not shown in the figure.
  • the power source may be applied through a turning portion (not shown) which is rotatably fastened to the rear end of the fixed portion 12 of the dental handpiece 10, as is well known, although not shown.
  • the display unit 160 displays a warning message to notify the three-dimensional spatial angle of the operation unit 140 when the three-dimensional spatial angle of the operation unit 140 is out of the setting range of the reference three-dimensional spatial angle.
  • the display unit 160 may include a wireless or wired communication module 161, as shown in FIG.
  • the communication module 161 may transmit a warning message to the external terminal 30 such as Google Glass.
  • the display unit includes a first ramp 161 for indicating that the drill bit 11 is tilted to the right in the + X-axis direction, and a second ramp 16 for rotating the drill bit 11 in the downward direction
  • each of the first, second, third, and fourth lamps 161, 162, 163, and 164 may be provided with one set of lamps having one or more colors.
  • the first, second, third and fourth lamps 161, 162, 163, And the lamp unit U1 may be provided on the outer circumferential surface of the housing 110 at a plurality of spaced intervals along the circumference thereof.
  • LED light emitting diode
  • the green light is turned on in each of the lamps 161, 162, 163, and 164, the operator can easily recognize accurate information about the + X axis, the -X axis, the + Y axis, and the -Y axis have.
  • the operator can tilt the drill bit 11 in the + Y axis, where the red light is steadily on.
  • the operation example of the display unit can be implemented in the same manner for the remaining X axis.
  • first, second, third, and fourth lamps 161, 162, 163, and 164 may be color-coded, although not shown, If all of them are on, they are in the setting range, and if one of them is blinking, the drill blade 11 may be tilted toward the blinking side.
  • the operator can determine the position of the drill bit as well as measure the drilling depth.
  • the method embodied by the present invention comprises the steps of measuring the angle of the dental handpiece in real time, calculating the angle of the drill blade by correcting the angle of the measured dental handpiece with the angle of the drill blade, A step of setting a reference three-dimensional spatial angle of the drill bit at a desired three-dimensional spatial angle of the spatial spatial angle, and a step of warning to notify the calculated three-dimensional spatial angle if the calculated spatial spatial angle deviates from the reference three- .
  • the operator further includes a step of measuring the depth of the drill through which the operator knows the position of the drill bit on the X-axis, the Y-axis, and the Z-axis through one sensor installed in the housing.
  • the dental handpiece 10 has a tooth structure 1 (hereinafter, referred to as an example of the tooth 1) including a hard tissue and a soft tissue structure of the oral maxillofacial region including the patient's teeth 1 and jaws Dimensional spatial angle of the drill for a dental handpiece to correct the three-dimensional spatial angle of the blade 11, the angle of the dental handpiece 10 is first measured in real time (S110).
  • a tooth structure 1 hereinafter, referred to as an example of the tooth 1
  • S110 real time
  • the gyro sensor S1 and the acceleration sensor S2 can be provided as one set and provided at respective positions, respectively.
  • the gyro sensor S1 and the acceleration sensor S2 which measure the angular speeds of the three axes, measure the relative acceleration with respect to the gravitational acceleration, and integrate the measured angular velocity to obtain the rotational distance.
  • the angle of the housing 110 can be accurately measured with the basic information for evaluating the three-dimensional spatial angle of the drill blade 11 of the dental handpiece 10.
  • an MPU-6050 module in which the acceleration sensor S2 and the gyro sensor S1 are incorporated together can be used.
  • the three-dimensional spatial angle of the drill blade 11 is calculated by correcting the angle of the measured dental handpiece 10 (that is, the angle of the housing 110) with the angle of the drill bit 11 (S120) .
  • the three-dimensional spatial angle of the drill blade 11 can be obtained by correcting the measured values obtained respectively by the gyro sensor S1 and the acceleration sensor S2 through a correction algorithm such as a Kalman filter algorithm .
  • the following determinant may be used.
  • the x-axis, y-axis, and z-axis indicate the position of the drill bit
  • an imaginary second line perpendicular to the drill bit may be used.
  • the reference three-dimensional spatial angle of the drill blade 11 with respect to the tooth 1 is set at a desired three-dimensional spatial angle of the calculated three-dimensional spatial angle (S130).
  • the operator can set the angle of the drill blade 11 to a desired angle, and then press the switch 151 of the foot setting unit 150 to set the angle to the reference three-dimensional spatial angle.
  • a warning message may be displayed (S140).
  • the three-dimensional spatial angle deviates to the right direction which is the + X axis direction and is out of the setting range of the reference three-dimensional spatial angle, it is displayed to be inclined to the left direction which is the -X axis direction, Axis direction to be inclined upward in the + Y-axis direction when the three-dimensional spatial angle deviates from the reference range of the reference three-dimensional spatial angle, and is shifted to the left-direction in the -X-axis direction so that the three- Axis direction.
  • the three-dimensional spatial angle deviates upward in the + Y-axis direction
  • it is displayed in the -Y-axis direction when the spatial spatial angle deviates from the reference spatial spatial angle setting range. It can be displayed to be inclined downward.
  • the first and second The third and fourth lamps 161, 162, 163, and 164 may be turned on, and the second color included in each lamp may be continuously turned on and displayed.
  • the lamp having the second color is turned on in each of the lamps 161, 162, 163, and 164, the operator can easily obtain accurate information about the + X axis, the -X axis, the + Y axis, . 3 (b), when the three-dimensional spatial angle of the drill blade 11 deviates from the setting range leaning to the -Y axis, the drill blade 11 is moved in the + Y axis direction opposite to the -Y axis, The second lamp 162 provided on the + Y axis is continuously tilted, and the fourth lamp 164 provided on the -Y axis is blinked to have a first color Can be displayed.
  • the operator may tilt the drill blade 110 with the first color, such as the back light, on the + Y axis.
  • the operation example of the display unit 160 can be implemented in the same manner for the remaining X axis.
  • the operator can know the position of the drill bit on the X-axis, Y-axis and Z-axis through a single sensor installed in the housing, thereby enabling various effects such as the drilling depth to be measured.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

La présente invention concerne un dispositif pour effectuer une correction d'angle spatial tridimensionnel et une mesure de profondeur de forage pour un foret de pièce à main dentaire au moyen d'un capteur unique. A cet effet, la présente invention comprend : un boîtier disposé dans une partie de fixation de pièce à main dentaire ; une unité de détection pour mesurer des angles du boîtier en temps réel ; une unité de calcul pour calculer des angles spatiaux tridimensionnels d'une fraise par correction des angles mesurés par l'unité de détection pour déduire des angles de la fraise ; une unité de réglage pour régler, en tant qu'angle spatial tridimensionnel de référence de la fraise, un angle spatial tridimensionnel souhaité par un opérateur parmi les angles spatiaux tridimensionnels obtenus par l'unité de calcul ; et une unité d'affichage pour afficher un message alertant l'opérateur lorsque les angles spatiaux tridimensionnels obtenus par l'unité de calcul sont situés à l'extérieur d'une plage prédéterminée par rapport à l'angle spatial tridimensionnel de référence.
PCT/KR2018/014679 2017-11-28 2018-11-27 Dispositif pour effectuer une correction d'angle spatial tridimensionnel et une mesure de profondeur de forage pour un foret de pièce à main dentaire au moyen d'un capteur unique WO2019107864A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170160971A KR20190062011A (ko) 2017-11-28 2017-11-28 단일센서에 의한 치과 핸드피스용 드릴의 3차원 공간적 각도의 보정 및 드릴링 깊이 측정 장치
KR10-2017-0160971 2017-11-28

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WO2019107864A1 true WO2019107864A1 (fr) 2019-06-06

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN114515207A (zh) * 2022-01-19 2022-05-20 江苏岱洛医疗科技有限公司 一种具有姿态感应功能的牙周探针装置及其状态切换方法

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN110559091B (zh) * 2019-09-29 2021-02-02 中国人民解放军陆军军医大学第一附属医院 具有辅助测距定深功能的牙科手机
JP7482702B2 (ja) 2020-06-30 2024-05-14 東京エレクトロン株式会社 基板処理装置

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US20100323320A1 (en) * 2008-02-28 2010-12-23 Akira Takebayashi Surgical guide and a method for positioning a drill using the surgical guide
US20120015329A1 (en) * 2010-07-19 2012-01-19 Rainbow Medical Ltd. Dental navigation techniques
KR101505785B1 (ko) * 2014-09-05 2015-03-25 남윤 치과 핸드피스용 드릴의 3차원 공간적 각도의 보정 장치 및 보정 방법
JP2015100437A (ja) * 2013-11-22 2015-06-04 京セラメディカル株式会社 外科手術用ナビゲーションシステム
US20160157815A1 (en) * 2014-12-05 2016-06-09 University Of Windsor Ultrasonic device for dental implant navigation

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100323320A1 (en) * 2008-02-28 2010-12-23 Akira Takebayashi Surgical guide and a method for positioning a drill using the surgical guide
US20120015329A1 (en) * 2010-07-19 2012-01-19 Rainbow Medical Ltd. Dental navigation techniques
JP2015100437A (ja) * 2013-11-22 2015-06-04 京セラメディカル株式会社 外科手術用ナビゲーションシステム
KR101505785B1 (ko) * 2014-09-05 2015-03-25 남윤 치과 핸드피스용 드릴의 3차원 공간적 각도의 보정 장치 및 보정 방법
US20160157815A1 (en) * 2014-12-05 2016-06-09 University Of Windsor Ultrasonic device for dental implant navigation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114515207A (zh) * 2022-01-19 2022-05-20 江苏岱洛医疗科技有限公司 一种具有姿态感应功能的牙周探针装置及其状态切换方法

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