WO2020019042A1 - Dispositidispositif odontologique électronique et système embarqué dans un dispositif odontologique électronique - Google Patents

Dispositidispositif odontologique électronique et système embarqué dans un dispositif odontologique électronique Download PDF

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Publication number
WO2020019042A1
WO2020019042A1 PCT/BR2018/000056 BR2018000056W WO2020019042A1 WO 2020019042 A1 WO2020019042 A1 WO 2020019042A1 BR 2018000056 W BR2018000056 W BR 2018000056W WO 2020019042 A1 WO2020019042 A1 WO 2020019042A1
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WO
WIPO (PCT)
Prior art keywords
torque
fact
electronic
printed circuit
circuit board
Prior art date
Application number
PCT/BR2018/000056
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English (en)
Portuguese (pt)
Inventor
Nelis Evangelista Luiz
Ney EVANGELISTA LUIZ
Michel Aislan DANTAS SOARES
Ildomar COELHO
Original Assignee
Stratexia Inovação Indústria E Serviços, Importação E Exportação Eireli - Me
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Publication of WO2020019042A1 publication Critical patent/WO2020019042A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor

Definitions

  • the present invention describes an electronic dental device and a system embedded in an electronic dental device, in which the device represents an electronic torque wrench for application in dental implant placement surgeries, in compact size, with buttons, LED lamps and displays that aid in the use and the embedded system contains components that, in
  • the present invention is located in the fields of Electronic Engineering, Mechanics and Dentistry.
  • the oral health area involves around 242 thousand professionals across the country.
  • a survey by the Ministry of Health shows that Brazil has about 30 million toothless and that 3 out of 4 elderly people (aged 65 to 74) are toothless.
  • One solution to solve this problem is the placement of prostheses on implants.
  • Dental implants are artificial titanium roots placed in the bone to support dental prostheses. Geometrically they resemble screws, with a threaded hole on the inside for fixation of the prosthesis.
  • the surgical torque wrench is used during the implant insertion process in the surgical socket. It guarantees the accuracy of the torque applied during the surgery, indicating the surgeon starts stability! of the implant,
  • the prosthetic torque wrench is used to fix the prosthesis on the implant. It has a torque level lower than that of the surgical torque wrench (10 to 32N.cm).
  • the document SR 10 2018 010849 0 is a document of the inventors themselves, which features an electronic digital torque wrench! for surgeries for placement of dental implants and / or placement of prostheses on dental implants, with components that allow the reduction of the incidence of implant losses and prosthesis components that are caused by the application of torque
  • PI 0900603-8 and BR 11 2015 012031 8 documents deal with an electronic torque wrench for the orthopedics area, but none is applied to the odontoiologic area.
  • PI 1102343-0 A2 is another document from the inventors themselves, which features a digital odontogenic torque wrench that aims to measure, compare and report the fixation force applied to dental implant screws, with the possibility of determining the maximum force required operation, in order to prevent possible damage to the patient's dental arch and the respective bone structure, in addition to ensuring an adequate and permanent fixation of the screws, and,
  • the torque wrench consists of a torque wrench itself, incorporated into a console with a dial, which may or may not be integrated into the body of the wrench, and may be wireless, having, inside the said console, a printed circuit board with embedded software, capable of measuring quantities of a few N.cm.
  • EP 2221022 (A1) discloses a screwing device for medical applications, in particular for endosseous implantology also in a surgical environment, comprising: at least one front portion that has a suitable torque wrench to act on an appropriate screw; at least one rear portion suitable for being manually operated by a user, said front and rear portions being connected reciprocally under conditions of use of the device; and at least one sensor connected to said rear portion to detect a deformation of the rear portion, which will be a function of the torque applied to the screw by means of said key, characterized in that it also comprises an external module connected to said sensor in order to receive a signal coming from said sensor at least during the use of said device and because said front and rear portions are configured and coupled so as to be autoclavable.
  • KR20110074949 discloses a torque wrench that accurately measures the stability force between artificial teeth and the surrounding bone.
  • the torque wrench is formed by a transducer of uniform material and constant size.
  • An automated torque wrench is used to have a constant connection and to prevent deformation of artificial teeth.
  • the connection is made by means of a video camera, distance sensor and angle sensor, allowing the operator to approach easily.
  • the system has a damping that prevents the user from feeling the torque frequency with great intensity.
  • data exchange between the torque wrench and the computer is done using wireless internet or bluetooth communication, since the system has an integrated circuit that stores the obtained data.
  • US2012021377 discloses an electric rotary torque wrench for dental implant surgery, comprising: a main unit, having a torque generating mechanism mounted on it to produce torque and a control knob to adjust torque; a handle configured for fixing, said handle having a wire connected to said main unit for transmitting the torque produced by said main unit to said handle; and a clutch mechanism connected to said loop to receive the torque emitted by said main unit to rotate a rotating tip that can be inserted into a hole in a dental implant to drive said dental implant into the patient; in which said
  • the present invention aims to solve the constant challenges in the state of the art from an electronic dental device and a system embedded in an electronic dental device in which the device represents an electronic torque wrench, used in surgeries for placing dental implants and for placing prostheses on dental implants with components that allow precise measurements and torque applications, as well as the recording of used data.
  • the present invention presents as the first object an electronic dental device, used in surgeries for placing dental implants and for placing prostheses on dental implants, in which the device consists of an external structure and an internal structure; and presents as a second embedded system object contained in the internal structure of the electronic dental device in which, with its components and software, they use logic to control torque, measure and emit signals that assist in surgeries.
  • the inventive concept common to all the protection contexts claimed is the use of electronics for measurement and torque control of the placement of dental implants, mini -urization of electronics and embedded software, precision micro-machining for the manufacture of mechanical parts and the possibility of sterilization by autoclaving.
  • the present invention addresses the use of a solution to measure and control the application torque of dental implants, the tightening torque of dental prosthesis screws, the tightening torque in metal mechanical sectors in general, avoiding loss of implants and prosthesis components that have as their cause the application of inappropriate torque, as well as the registration of applied torque values, avoiding human errors in implantology operation.
  • Figure 1 illustrates the perspective view of an embodiment of the electronic dental device.
  • Figure 2 illustrates the perspective view of another embodiment of the electronic dental device.
  • Figure 3 shows the perspective of various models of torque wrenches, two of which are state of the art and two others being embodiments of the present invention.
  • Figure 4 shows a cross-sectional view of an embodiment of the electronic dental device.
  • Figure 5 shows an empty perspective view of an embodiment of the electronic dental device.
  • Figure 6 shows a detail of the connector of the electronic dental device
  • Figure 7 shows a perspective view of an embodiment of the electronic dental device.
  • Figure 8 shows a detailed view of the cover of the electronic dental device.
  • Figure 9 illustrates the protection and support device of the printed circuit board being fitted to the electronic dental device.
  • Figure 10 shows an exploded perspective view of the device
  • Figure 11 shows the perspective view of the printed circuit board protection and support device.
  • Figure 12 shows the side and top views of an embodiment of the printed circuit board of the electronic dental device.
  • Figure 13 shows the side and top views of another embodiment of the printed circuit board of the electronic dental device.
  • Figure 14 shows details of three areas of the electronic dental device.
  • Figure 15 shows an exploded view of the external components of the electronic dental device.
  • Figure 16 shows a representation of the embedded system containing the electronic dental device.
  • Figure 17 depicts a flow diagram of the embedded system logic, representing the initial stages of the use process.
  • Figure 18 shows another flow diagram of the embedded system logic, with torque collection steps, specific to the process.
  • Figure 19 shows another flow diagram of the embedded system logic, with steps for signaling the battery level and torque, specific to the process.
  • the present invention provides advantages in the improvement of electronic dental digital torque wrenches used in dental implant placement surgery.
  • the present invention allows for greater control and application of the torque used in surgical procedures, decreasing implant losses and surgical complications due to the incorrect application of torque and torque force in dental applications.
  • the present invention also allows the recording in electronic files of the torque values applied during the use of the product.
  • the present invention features an electronic dental device composed of:
  • the external structure comprises body (1) of the torque wrench; rod (2) of the torque wrench; cover (4); visualization film (5); screws (12); and fitting the stem to the body (14).
  • the internal structure comprises an LCD display (3); on / off button (6);
  • the present invention presents an embedded system (16) in an electronic dental device composed of:
  • the embedded system uses the software on the printed circuit board (10) that converts the analog signal, collected from the torque sensors, into Nem (Newtons per centimeter) to be sampled on the LCD display (3);
  • the printed circuit board software (10) offers self-calibration methods, that is, the torque measurement can be done with some simple procedures and without the need to re-record the software, since it collects the calibration information and saves internal memory;
  • the battery sensor (11) indicates the battery charge level and allows the system to indicate low battery
  • the signal actuator (21) indicates pre-programmed alerts
  • the display (3) LCD allows the user to view the measurements in real time
  • the embedded system (18) consists of three inputs (sensors) and two outputs (actuators), with the input torque sensors (19) going through an amplification and filtering process, before reaching the main processing , as shown in figure 17.
  • the electronic dental device performs the functions, through the software in the embedded system (16), of (i) turning the Hardware on and off digitally; (ii) collect the signal from the torque sensors (19) and make the sampling on the LCD display (3), with measurements in Nem and in a positive scale (from ONcm to 199Ncm integers); (iii) it has three levels of signaling / changes, according to the applied torque level; ( ⁇ v) saves the calibration factor in non-volatile memory; (v) it presents a method for self-calibration, that is, with the use of a second calibrated torque wrench it is possible to perform the calibration with a simple step; and (vi) indicates when the battery is low, as shown in figures 17, figure 18 and figure 19.
  • the display (3) is an electronic object internal to the device, connected to the printed circuit board (10) and which can be in LCD.
  • the viewing film (5) is a window / opening for housing the display (3), it has the function of protecting the internal elements, more specifically the display (3), on / off button (6) and ted lamp (7) and can be a touch element, that is, sensitive to touch.
  • the device has dimensions of 137 mm x 20 mm x 10 mm.
  • the device has maximum dimensions of 15 mm x Q 33 mm x 23 mm.
  • Figure 1 and Figure 2 present versions of the electronic dental device, with its components of the external structure, in which it can be used in a version with a viewing film (5) touch or only with the display (3) LCD and with the on / off button (6) and LED lamp (7).
  • Figure 3 reveals the size comparison between dental torque wrenches, with versions C and D being state of the art torque wrenches and versions A and B are embodiments of the present invention.
  • FIG 4 together with figure 5 and figure 14, illustrate a schematic representation of how the components of the electronic dental device connect.
  • the torque wrench stem (2) - DETAIL C - connects to the stem fitting on the body (14) through the stem fitting pin (15) - DETAIL A - and fixed by the screws (12).
  • the fitting of the rod to the body (14) is fitted to the body (1) of the torque wrench and maintains contact with the PCI connector (9).
  • DETAIL B shows the cover (4) that closes the internal structure inside the device.
  • FIG 6 shows an embodiment of the PCI connector (9), designed to connect the printed circuit board (10) to the rod (2) with sensors, including torque sensors (19).
  • the PCI connector (9) has 4 connection pins, which pass wires from the sensors coming from the rod (2) and thereby connect to the main Printed circuit board (10).
  • a pin from the PCI connector (9) is used to ground the printed circuit board (10) on the rod (2) of the torque wrench, a feature that neutralizes noises absorbed by the target! of the rod (2).
  • Figure 7 shows a perspective view of an embodiment of the electronic dental device and Figure 8 shows a detailed view of the lid of the same embodiment of the electronic odontophic device.
  • Figure 9 illustrates the protection and support device (13) of the printed circuit board being fitted inside the body (1) of the electronic dental device.
  • Figure 10 shows an exploded view from the device's perspective
  • FIG 11 shows the perspective view of the protection and support device (13) of the printed circuit board.
  • Figure 12 and Figure 13 illustrate two constructive embodiments of the printed circuit board (10) that can be used in versions of the device of the present invention.
  • the plate is larger, containing two slots for installing the batteries (11).
  • the plate is smaller, containing only one battery slot, which makes the device more compact.
  • Figure 15 shows an exploded view of the external components of the electronic dental device using the visualization film (5).
  • Figure 16 through a representation of the embedded system (16) contained in the electronic odontographic device reveals three input signal sensors that are treated and processed by the microprocessor (17) until they are displayed on the dispiay (3) LCD or signaled by LED lamp (7) or audible buzzer (8).
  • the torque sensors input (19) goes through an amplification and filtering process before reaching the main processing in the microprocessor (17).
  • the battery sensor (11) is used to indicate the battery charge level (11) and thus allows the system to indicate the low battery (11).
  • the on / off button (6) is used to allow human-machine interaction and initiate usage operations.
  • the signal actuator (21) is used to indicate pre-programmed alerts, and the dispiay (3) LCD allows the user to view the measurements in real time. Data processing takes place inside the microprocessor (17) according to the program being executed.
  • FIG. 17 depicts a flow diagram of the embedded system logic, representing initial steps (100) performed in the use process. Each step has the following descriptions:
  • - EEPROM DATA SEARCH step (103) Searches the internal memory for previously saved data; - DATA EEPROM step OK? (104) - Checks whether the data fetched from memory is within the expected standards;
  • step (111) Time to collect the battery level.
  • the analog signal that represents the current voltage of the battery is collected and converted to digital data that also represents the current voltage! the battery;
  • step (107) works completely independent of the sequence that starts the signaling steps (300). What is common between the two steps are some global variables that are used concurrently by the two parallel sequences. Through these global variables it is possible, for example, on the one hand to collect the battery level and on the other side to compare this same collected value and decide whether to sample the information from step “Ba” (304) on the display (3) or not. low battery indication.
  • FIG 18 shows another flow diagram of the embedded system logic, with steps for collecting torque (200), specific to the process. Each step has the following descriptions:
  • Stage A (201) - Hand press button routine; - Stage ACCOUNTED BUTTON TIME (202) - Counts the time the button is pressed;
  • step (208) The time the button was pressed reached 10 or more seconds. Then it displays the message “CAL” on the LCD indicating that the system has entered calibration mode. After that, the user is expected to follow the instructions for calibration;
  • FIG. 19 shows another flow diagram of the embedded system logic, with signaling steps (300) of battery level and torque, specific to the process. Each step has the following descriptions:
  • step (305) Wait 2G0ms to then remove “Ba” from the LCD display;
  • step TORQUE (302).
  • the present invention offers practicality and efficiency using essential resources for an accurate application of torque.
  • a general objective is for the present invention, electronic dental device or electronic dental torque wrench to measure the torque of application of dental implants, the tightening torque of dental prosthesis screws and the tightening torque in metal mechanic sectors in general, presenting characteristics of surgical instruments (such as against mechanical angles and torque wrenches) and electronic equipment (such as implant insertion motors,
  • a first advantage is the fact that the component composition logic is simple and easy to understand.
  • a second advantage is the fact that the device has an ergonomic handle, which facilitates use.
  • a third advantage is the fact that the device is powered by a battery, which gives the equipment a longer life.
  • a fourth advantage is the fact that the device is lighter than all torque wrenches developed to date.
  • a fifth advantage is that the torque wrench is smaller in size compared to the electronic and digital torque wrenches developed so far.
  • a sixth advantage is that the device is easy to manufacture, assemble and maintain.
  • a seventh advantage is the fact that the materials used meet the requirements of regulatory bodies, maintaining the quality and standard of the materials used.
  • Example 1 Assembly for use To assemble the electronic dental device for use, the battery (11) is first fitted to the battery slot. Then, the printed circuit board (10) is attached to the protection and support device (13) and the cover (4) is closed to the body (1),
  • an operation method is indicated, for example:
  • the dispiay (3) LCD must be zeroed when there is no torque being applied to the rod (2). If it is not showing zero (when without torque), just press the on / off button (6) to set the zero point. For a more precise zero point definition, position the rod vertically before pressing the on / off button (6).
  • the electronic dental device is automatically switched off after 1 minute of idle time.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (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)

Abstract

La présente invention concerne un dispositif odontologique électronique et un système embarqué dans un dispositif odontologique électronique, le dispositif représentant un couplemètre électronique trouvant une application dans les chirurgies de pose d'implants dentaires, de taille compacte, avec boutons, DEL et afficheurs facilitant l'utilisation, le système embarqué comprenant des composants qui, pendant le fonctionnement, permettent une diminution des pertes d'implants et de prothèses, une application de couple appropriée, et la réalisation d'un enregistrement dans des archives électroniques, d'où une augmentation de la prévisibilité et de la traçabilité des procédures chirurgicales et prothétiques dans le domaine de l'implantodontie. La présente invention relève des domaines de l'ingénierie électronique, de la mécanique et de l'odontologie.
PCT/BR2018/000056 2018-07-25 2018-09-19 Dispositidispositif odontologique électronique et système embarqué dans un dispositif odontologique électronique WO2020019042A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR1020180152343 2018-07-25
BR102018015234-3A BR102018015234B1 (pt) 2018-07-25 2018-07-25 dispositivo odontológico eletrônico e sistema embarcado em dispositivo odontológico eletrônico

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WO2020019042A1 true WO2020019042A1 (fr) 2020-01-30

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221022A1 (fr) * 2009-02-19 2010-08-25 Studio A.I.P. S.R.L. Appareil de vissage pour applications médicales, en particulier pour implantation endo-osseuse
US20130203016A1 (en) * 2010-11-02 2013-08-08 Kyoto Tool Co., Ltd. Tightening apparatus for dental implant
WO2013183069A1 (fr) * 2012-06-05 2013-12-12 Vyron S.R.L. Dispositif d'adaptation de vis pour des applications médicales
WO2014205525A1 (fr) * 2013-06-24 2014-12-31 Nelis Evangelista Luiz - Me Couplemètre odontologique numérique
US20160256989A1 (en) * 2010-05-18 2016-09-08 Gauthier Biomedial, Inc. Electronic Torque Wrench

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221022A1 (fr) * 2009-02-19 2010-08-25 Studio A.I.P. S.R.L. Appareil de vissage pour applications médicales, en particulier pour implantation endo-osseuse
US20160256989A1 (en) * 2010-05-18 2016-09-08 Gauthier Biomedial, Inc. Electronic Torque Wrench
US20130203016A1 (en) * 2010-11-02 2013-08-08 Kyoto Tool Co., Ltd. Tightening apparatus for dental implant
WO2013183069A1 (fr) * 2012-06-05 2013-12-12 Vyron S.R.L. Dispositif d'adaptation de vis pour des applications médicales
WO2014205525A1 (fr) * 2013-06-24 2014-12-31 Nelis Evangelista Luiz - Me Couplemètre odontologique numérique

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BR102018015234A2 (pt) 2018-10-30
BR102018015234B1 (pt) 2019-11-19

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