Magnetic extraction instrument for broken needle of oral root canal

Abstract

The utility model belongs to the field of magnetic extraction instruments, particularly relates to an oral cavity root canal broken needle magnetic extraction instrument, and aims to solve the problems that an existing magnetic extraction instrument cannot take out a broken needle which is clamped too tightly and cannot illuminate an affected part in the treatment process, the oral cavity root canal broken needle magnetic extraction instrument comprises a handle shell, and a connecting shell is arranged at the front end of the handle shell in an inserted mode. A machine head is fixedly arranged at the front end of the connecting shell, a magnetic attraction ring is arranged on the outer circle of the bottom of the machine head, lamp beads are arranged on the circle of the bottom of the machine head, a mounting head is rotationally arranged at the bottom of the machine head, and a magnetic rod is detachably arranged at the bottom of the mounting head. The transmission mechanism is arranged on the handle shell and the connecting shell and used for driving the magnetic rod to rotate. Through the arrangement of the magnetic rod, the tooth around the broken needle can be expanded, the broken needle can be oscillated, the broken needle can be taken out conveniently, light illumination can be provided in the treatment process through the arrangement of the lamp beads, the treatment accuracy and safety are improved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic extraction instruments, in particular to a magnetic extraction instrument for broken oral root canal needles. Background Art

[0002] When a needle breaks during the treatment of intraoral endodontic disease in stomatology, it is a difficult problem for dental medical staff. Although there are some methods such as "bypass" and ultrasonic vibration, they are highly technical and difficult for general medical staff to operate.

[0003] The oral root canal broken needle magnetic extractor proposed by searching the authorization announcement number CN102551847A is mainly used for the broken needle in the oral endodontic treatment. It can conveniently and quickly remove the broken needle in the root canal, reduce the working time of oral medical staff, improve work efficiency, and avoid accidental harm to patients.

[0004] However, there are still the following defects:

[0005] 1. The oral root canal broken needle magnetic extraction instrument in the above application pulls out the broken needle by means of a magnetic needle and increasing or decreasing the magnetic force. However, when the broken needle is stuck too tightly in the root canal, it cannot be pulled out simply by increasing the magnetic force. At the same time, it is not convenient to illuminate the affected area during the treatment process. Utility Model Content

[0006] The utility model aims to solve the shortcomings of the prior art that a broken needle stuck too tightly cannot be taken out and the affected area cannot be illuminated during the treatment process, and proposes an oral root canal broken needle magnetic removal instrument.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] An oral root canal broken needle magnetic extraction instrument, comprising:

[0009] A handle housing, the front end of which is plugged with a connecting housing, a machine head is fixedly arranged at the front end of the connecting housing, a magnetic ring is arranged at the outer circle of the bottom of the machine head, a lamp bead is arranged around the bottom of the machine head, a mounting head is rotatably arranged at the bottom of the machine head, and a magnetic rod is detachably arranged at the bottom of the mounting head;

[0010] The transmission mechanism is arranged on the handle housing and the connecting housing and is used to drive the magnetic rod to rotate.

[0011] In a possible design, the transmission mechanism includes a rotating motor fixedly arranged inside the front end of the handle shell, a main transmission tooth is fixedly arranged at one end of the output shaft of the rotating motor, a mounting groove is opened on the side of the connecting shell close to the handle shell, and a secondary transmission tooth is rotatably arranged inside the mounting groove, the main transmission tooth is meshed with the secondary transmission tooth, a transmission rod is fixedly arranged on the rear side of the secondary transmission tooth, and the other end of the transmission rod extends to the interior of the machine head and is transmission-connected to the mounting head.

[0012] In a possible design, a cavity is provided at the bottom end of the magnetic rod, and drill teeth are symmetrically fixedly provided at the bottom end of the magnetic rod outside the cavity, and the magnetic rod is magnetically connected to the magnetic attraction ring.

[0013] In a possible design, a battery compartment is provided at the rear end of the handle housing, a group of cylindrical batteries are arranged inside the battery compartment, and a compartment door is hingedly connected to one side of the battery compartment at the rear end of the handle housing through a hinge.

[0014] In one possible design, a magnetic adjustment button is provided on the top of the handle shell, a display screen is provided on the top of the handle shell next to the magnetic adjustment button, a power button is provided on the top of the handle shell next to the display screen, and a working button is provided on the top of the handle shell next to the power button.

[0015] In a possible design, anti-slip strips are fixedly provided on both sides of the handle housing.

[0016] In the present application, when starting to use, the magnetic rod is installed on the mounting head, the compartment door is opened and a group of cylindrical batteries are installed in the battery compartment, then the compartment door is closed and the power button is pressed to turn on the instrument. After the power is turned on, the electric energy of the cylindrical battery is transmitted to the magnetic attraction ring, and the transmitted electric energy is converted into magnetic energy by the magnetic attraction ring to form magnetic force. The magnetic attraction ring that generates magnetic force transmits the magnetic force to the magnetic rod, and then the handheld instrument extends the magnetic rod into the root canal to absorb the broken needle in the root canal. When the broken needle is stuck in the root canal and the resistance is not easy to suck it out, the magnetic force adjustment button is pressed to adjust the size of the transmission current. When the current is increased, the magnetic attraction ring will increase the corresponding magnetic force, thereby enhancing the magnetic attraction of the magnetic rod, and then press the working button. While the working button is pressed, the cylindrical battery is used to power the rotating motor and the lamp beads at the same time. At this time, the lamp beads are lit for illumination. During the treatment process, the lighting will move with the movement of the magnetic rod, so that the treated area can always be illuminated without blocking the light source. The rotating motor The work is driven by the output shaft to rotate the main transmission gear, and the main transmission gear rotates while the meshing secondary transmission gear rotates. The secondary transmission gear rotates while the transmission rod rotates, and the transmission rod rotates while the installation head rotates. The installation head rotates while the magnetic rod rotates synchronously, and then the handheld instrument extends the magnetic rod into the root canal and presses against the root canal, and the drill teeth on the magnetic rod drill inside the root canal on the outer circle of the broken needle, and the drill teeth drill into the root canal so that the tooth body around the broken needle is drilled and polished. In the grinding process, not only can the broken needle leak out, but also the broken needle can be vibrated, so that the broken needle can shake and loosen inside the root canal, and the leaked broken needle enters the cavity, so that the range of shaking and relaxation can be controlled. At the same time, the setting of the cavity can avoid the magnetic rod from pressing against the broken needle during drilling, so that the broken needle extends downward and becomes tighter and tighter inside the root canal. After drilling to a certain extent, the shaking and loose broken needle is adsorbed by the magnetic rod that increases the magnetic attraction, and then taken out, thereby completing the removal of the broken needle in the oral root canal.

[0017] In the utility model, the oral root canal broken needle magnetic extraction instrument is provided with a transmission mechanism, and a working button is pressed. While the working button is pressed, a cylindrical battery is used to power a rotating motor and a lamp bead is powered at the same time. At this time, the lamp bead is lit for illumination, and the rotating motor drives the main transmission gear to rotate through the output shaft. The main transmission gear rotates while the meshing auxiliary transmission gear rotates. The auxiliary transmission gear rotates while the transmission rod rotates. The transmission rod rotates while the installation head rotates. The rotation of the installation head can drive the magnetic rod to rotate synchronously, thereby facilitating the magnetic rod to drill into the root canal.

[0018] In the utility model, the oral root canal broken needle magnetic extraction instrument is provided with a magnetic rod, and the handheld instrument extends the magnetic rod into the root canal and presses against the root canal, and the drill teeth on the magnetic rod drill inside the root canal at the outer circle of the broken needle, and the drill teeth drill into the root canal so as to drill and grind the tooth body around the broken needle. In the grinding process, not only can the broken needle be leaked out, but also the broken needle can be vibrated, so that the broken needle can be shaken and loosened inside the root canal, and the leaked broken needle enters the cavity, so that the shaking and loosening range can be controlled, and at the same time, the cavity setting can prevent the magnetic rod from pressing against the broken needle during drilling, so that the broken needle extends downward and becomes more and more stuck inside the root canal. After drilling to a certain extent, the shaking and loose broken needle is adsorbed by the magnetic rod with increased magnetic attraction.

[0019] In the utility model, the oral root canal broken needle magnetic extractor can provide light illumination during the treatment process through the setting of lamp beads, so that the doctor can clearly observe and identify the internal structure of the root canal, improve the accuracy and safety of the treatment, and improve the work efficiency during the treatment process;

[0020] The utility model can expand the tooth body around the broken needle and oscillate the broken needle by setting the magnetic rod, so as to facilitate its removal. The utility model can provide light illumination during the treatment process by setting the lamp beads, thereby improving the accuracy and safety of the treatment and improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a magnetic extractor for oral root canal broken needles proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of the overall separation structure of a magnetic extraction instrument for broken oral root canal needles proposed by the utility model;

[0023] Figure 3 This is a schematic diagram of the overall split and sectional structure of an oral root canal broken needle magnetic extraction instrument proposed by the utility model when viewed from above;

[0024] Figure 4 This is a schematic diagram of the enlarged structure of part A of the oral root canal broken needle magnetic extraction instrument proposed by the utility model.

[0025] In the figure: 1. handle housing; 2. connecting housing; 3. machine head; 4. magnetic ring; 5. mounting head; 6. magnetic rod; 601. cavity; 602. drill teeth; 7. rotating motor; 8. main transmission gear; 9. auxiliary transmission gear; 10. transmission rod; 11. battery compartment; 12. cylindrical battery; 13. compartment door; 14. anti-slip strip; 15. magnetic adjustment button; 16. display screen; 17. power button; 18. working button; 19. lamp beads. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Example 1

[0028] Reference Figure 1-4 , a magnetic extraction instrument, comprising:

[0029] A handle housing 1, a connecting housing 2 is plugged into the front end of the handle housing 1, a machine head 3 is fixedly arranged at the front end of the connecting housing 2, a magnetic ring 4 is arranged at the outer circle of the bottom of the machine head 3, a lamp bead 19 is arranged around the bottom of the machine head 3, a mounting head 5 is rotatably arranged at the bottom of the machine head 3, and a magnetic rod 6 is detachably arranged at the bottom of the mounting head 5;

[0030] The transmission mechanism is arranged on the handle housing 1 and the connecting housing 2 and is used to drive the magnetic rod 6 to rotate.

[0031] The above technical solution can be achieved by setting the lamp bead 19 and pressing the working button 18. While the working button 18 is pressed, the cylindrical battery 12 is used to power the rotating motor 7 and the lamp bead 19 at the same time. At this time, the lamp bead 19 is lit for illumination. During the treatment process, the illumination light will move with the movement of the magnetic rod 6, and the affected area being treated can always be illuminated without blocking the light source. Therefore, light illumination can be provided during the treatment process, so that the doctor can clearly observe and identify the internal structure of the root canal, improve the accuracy and safety of the treatment, and improve work efficiency during the treatment process. Through the setting of the magnetic rod 6, the tooth around the broken needle can be expanded and the broken needle can be oscillated to facilitate its removal. The magnetic ring 4 can convert electrical energy into magnetic energy.

[0032] Reference Figure 3 The transmission mechanism includes a rotating motor 7 fixedly arranged inside the front end of the handle shell 1, a main transmission tooth 8 is fixedly arranged at one end of the output shaft of the rotating motor 7, a mounting groove is opened on the side of the connecting shell 2 close to the handle shell 1, and a secondary transmission tooth 9 is rotatably arranged inside the mounting groove, the main transmission tooth 8 is meshed with the secondary transmission tooth 9, and a transmission rod 10 is fixedly arranged on the rear side of the secondary transmission tooth 9, and the other end of the transmission rod 10 extends to the interior of the machine head 3 and is transmission-connected to the mounting head 5.

[0033] The above technical solution can be achieved by setting up the installation head 5, the rotating motor 7, the main transmission gear 8, the auxiliary transmission gear 9 and the transmission rod 10. The rotating motor 7 drives the main transmission gear 8 to rotate through the output shaft. The main transmission gear 8 rotates and drives the meshing auxiliary transmission gear 9 to rotate. The auxiliary transmission gear 9 rotates and drives the transmission rod 10 to rotate. The transmission rod 10 rotates and drives the installation head 5 to rotate. The rotation of the installation head 5 can drive the magnetic rod 6 to rotate synchronously, thereby facilitating the magnetic rod 6 to drill into the root canal.

[0034] The present application can be used in the technical field of magnetic extraction instruments for broken oral root canal needles, and can also be used in other fields applicable to the present application.

[0035] Example 2

[0036] refer to Figure 4 , improved on the basis of embodiment one: a magnetic extractor for broken needles in oral root canals, which is applied to the technical field of magnetic extractors for broken needles in oral root canals, a cavity 601 is provided at the bottom end of the magnetic rod 6, and drill teeth 602 are symmetrically fixedly provided on the outside of the cavity 601 at the bottom end of the magnetic rod 6, and the magnetic rod 6 is magnetically connected to the magnetic attraction ring 4.

[0037] The above technical solution can be achieved by setting the drill teeth 602. The drill teeth 602 can drill on the outer circle of the broken needle inside the root canal. The drill teeth 602 drill into the root canal to drill and grind the tooth around the broken needle. In the grinding process, not only can the broken needle be leaked out, but also the broken needle can be vibrated, so that the broken needle can shake and loosen inside the root canal. Through the setting of the cavity 601, the leaked broken needle enters the cavity 601, so that the range of shaking and relaxation can be controlled. At the same time, the setting of the cavity 601 can prevent the magnetic rod 6 from pressing against the broken needle during drilling, so that the broken needle extends downward and becomes tighter and tighter inside the root canal.

[0038] Reference Figure 2 A battery compartment 11 is provided at the rear end of the handle housing 1, and a group of cylindrical batteries 12 are arranged inside the battery compartment 11. A compartment door 13 is hingedly connected to one side of the battery compartment 11 at the rear end of the handle housing 1.

[0039] The above technical solution can achieve the goal of placing a group of cylindrical batteries 12 through the arrangement of the battery compartment 11, so that the instrument does not need to be connected to the power supply separately and is not bound by a wire harness, making the instrument more convenient to operate.

[0040] Reference Figure 1 A magnetic adjustment button 15 is arranged at the top of the handle shell 1, a display screen 16 is arranged at the top of the handle shell 1 next to the magnetic adjustment button 15, a power button 17 is arranged at the top of the handle shell 1 next to the display screen 16, and a working button 18 is arranged at the top of the handle shell 1 next to the power button 17.

[0041] The above technical solution can be achieved by setting the power button 17. Pressing the power button 17 can power the instrument with the battery. By setting the display screen 16, the size of the magnetic force can be observed, which is convenient for controlling the magnetic force. By setting the magnetic force adjustment button 15, the magnetic force can be adjusted according to actual needs. By setting the work button 18, when it is necessary to drill the root canal, pressing the work button 18 can power the rotating motor 7 through the battery. Not pressing the work button 18 can cut off the power to the rotating motor 7.

[0042] Reference Figure 1 Anti-slip strips 14 are fixedly provided on both sides of the handle housing 1 .

[0043] The above technical solution can achieve the goal of increasing the friction between the medical staff's hand and the handle shell 1 when the medical staff holds the instrument through the setting of the anti-slip strip 14, allowing the medical staff to better hold the instrument to treat the affected area, and at the same time prevent the medical staff's hand from slipping and causing the instrument to fall and cause damage.

[0044] However, as is well known to those skilled in the art, the working principles and wiring methods of the magnetic ring 4, magnetic rod 6 and rotating motor 7 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A magnetic extractor for oral root canal broken needles, characterized in that: include: A handle housing (1), wherein a connection housing (2) is plugged into the front end of the handle housing (1), a machine head (3) is fixedly arranged at the front end of the connection housing (2), a magnetic attraction ring (4) is arranged at the outer circle of the bottom of the machine head (3), a lamp bead (19) is arranged around the bottom of the machine head (3), a mounting head (5) is rotatably arranged at the bottom of the machine head (3), and a magnetic rod (6) is detachably arranged at the bottom of the mounting head (5); A transmission mechanism is arranged on the handle housing (1) and the connection housing (2) and is used to drive the magnetic rod (6) to rotate.

2. The oral root canal broken needle magnetic extraction instrument according to claim 1, characterized in that: The transmission mechanism comprises a rotating motor (7) fixedly arranged inside the front end of the handle housing (1); a main transmission tooth (8) is fixedly arranged at one end of the output shaft of the rotating motor (7); a mounting groove is provided on a side of the connecting housing (2) close to the handle housing (1); and a secondary transmission tooth (9) is rotatably arranged inside the mounting groove; the main transmission tooth (8) is meshed with the secondary transmission tooth (9); a transmission rod (10) is fixedly arranged on the rear side of the secondary transmission tooth (9); the other end of the transmission rod (10) extends to the interior of the machine head (3) and is transmission-connected to the mounting head (5).

3. The oral root canal broken needle magnetic extraction instrument according to claim 1, characterized in that: A cavity (601) is provided at the bottom end of the magnetic rod (6), and drill teeth (602) are symmetrically fixedly provided at the bottom end of the magnetic rod (6) outside the cavity (601), and the magnetic rod (6) is magnetically connected to the magnetic attraction ring (4).

4. The oral root canal broken needle magnetic extraction instrument according to claim 1, characterized in that: A battery compartment (11) is provided at the rear end of the handle housing (1), a group of cylindrical batteries (12) are arranged inside the battery compartment (11), and a compartment door (13) is hingedly connected to one side of the battery compartment (11) at the rear end of the handle housing (1).

5. The oral root canal broken needle magnetic extraction instrument according to claim 4, characterized in that: A magnetic force adjustment button (15) is arranged at the top of the handle housing (1), a display screen (16) is arranged at the top of the handle housing (1) next to the magnetic force adjustment button (15), a power button (17) is arranged at the top of the handle housing (1) next to the display screen (16), and a working button (18) is arranged at the top of the handle housing (1) next to the power button (17).

6. The oral root canal broken needle magnetic extraction instrument according to claim 5, characterized in that: Anti-slip strips (14) are fixedly arranged on both sides of the handle housing (1).

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