CN116211497A - Tooth extraction tappet capable of adjusting angle in multiple directions - Google Patents

Abstract

The invention discloses a multi-directional angle-adjustable dental elevator, which comprises a handle, wherein a mounting cavity is formed in the handle; one end of the tappet is connected with the handle, and the other end of the tappet forms a tappet edge; the adjusting device is arranged at the joint of the handle and the tappet and comprises a control mechanism and a rotating mechanism; the rotating mechanism comprises a rotating ball head and a rotating groove, the rotating ball head is formed at one end of the tappet rod far away from the tappet blade, and the rotating ball head is provided with a spherical surface; the rotary groove is formed at the end part of the mounting cavity and is provided with a spherical groove matched with the spherical surface; the tappet can rotate relative to the handle through the matching of the spherical surface and the spherical groove; the control mechanism is used for locking the angle between the tappet and the handle. The invention can adjust the angle in the inlet in a multidirectional manner, realizes the multi-tooth position extraction of one dental elevator, and effectively reduces the expenditure cost of the instrument while being beneficial to tooth extraction operation.

Description

Tooth extraction tappet capable of adjusting angle in multiple directions

Technical Field

The invention relates to the technical field of oral medical appliances, in particular to a dental elevator capable of adjusting angles in multiple directions.

Background

The dental elevator is a tooth extraction tool commonly used in the tooth extraction process, and is usually provided with a plurality of straight elevator; the working principle of the dental elevator is that when in use, the dental elevator uses an alveolar bone as a fulcrum to pry, and the elevator blade is propped against the rotation of the alveolar process to generate lever force for extracting teeth. The operation is often limited by objective conditions such as small opening degree of a patient and thick cheek deviation, the angle adjustment of the tappet cannot be carried out during the operation, and the tappet is difficult to directly wedge between teeth and tooth socket processes at a good angle, so that the tooth extraction operation is difficult, the flexibility is lacking, the comfort level of the patient is poor, the wedge direction is required to be changed by directly adjusting the direction of the tappet, and the convenience degree and the experience feeling of the patient during the use of doctors are improved.

Currently, the improvement of the dental elevator on the market is mainly focused on the elevator blade design of the dental elevator, but the innovation of the part cannot be applied to any dental position, the use type of the dental elevator is not substantially improved during operation, and the dental elevator cannot be more wedged between teeth and alveolar bones during operation, and the slipping of the dental elevator and the serious gum injury are not satisfied. Even if the improved dental elevator design can be used for angle adjustment, or the edge direction of the dental elevator can only be adjusted by different angles in a single direction, but the dental elevator cannot be adjusted in multiple directions and multiple angles, so that the dental elevator is difficult to wedge or has a tooth attaching effect when being wedged in multiple directions, and the operation convenience is not enough when extracting teeth.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the tooth extraction tappet capable of adjusting the angle in a multi-way, so that the angle in the inlet can be adjusted in a multi-way by the tooth extraction tappet, the tooth extraction tappet can realize multi-tooth extraction, and the tooth extraction operation is facilitated, and the expenditure cost of the instrument is effectively reduced.

The invention provides a multi-direction angle-adjustable dental elevator, which comprises,

the handle is provided with a holding part at the outer part and a mounting cavity at the inner part;

one end of the tappet is connected with the handle, and the other end of the tappet forms a tappet edge;

the adjusting device is arranged at the joint of the handle and the tappet and comprises a control mechanism and a rotating mechanism; the rotating mechanism comprises a rotating ball head and a rotating groove, the rotating ball head is formed at one end of the tappet, which is far away from the tappet blade, and the rotating ball head is provided with a spherical surface; the rotary groove is formed at the end part of the mounting cavity and is provided with a spherical groove matched with the spherical surface; the tappet can rotate relative to the handle through the cooperation of the spherical surface and the spherical groove; the control mechanism is for locking the angle between the tappet and the handle.

As a preferred embodiment, the control mechanism is arranged in the mounting cavity, and comprises a driving structure and a locking block, wherein the driving structure is provided with an output end; the locking block is connected with the output end of the driving structure; the locking block is driven by the driving structure to be close to the rotary ball head and apply pressure to the rotary ball head, so that the angle between the tappet and the handle is locked.

As a preferred embodiment, a spherical groove matched with the rotary ball is arranged on the side, which is contacted with the rotary ball, of the locking block.

As a preferred embodiment, an anti-slip layer is arranged in the spherical groove.

As a preferred embodiment, the driving structure is a telescopic rod structure with a locking function.

As a preferred embodiment, the drive structure comprises a control rod slidably coupled within the mounting cavity; the two ends of the control rod are respectively provided with a first end part and a second end part, the first end part is connected with the locking block, the second end part penetrates out of the mounting cavity and extends to the outside of the handle, and the control rod is provided with a stop block;

a sliding groove is arranged in the mounting cavity, a locking position and an adjusting position are formed at two ends of the sliding groove respectively, and the stop block can slide in the sliding groove to and fro from the locking position and the adjusting position.

As a preferable embodiment, the locking position and/or the adjusting position are/is arranged at two ends of the sliding groove, and the locking position and/or the adjusting position are/is a clamping groove arranged at an angle with the sliding groove.

As a preferred embodiment, the second end is provided with a control cap for controlling the slide bar.

As a preferred embodiment, the control cap surface is provided with a non-slip structure.

As a preferred embodiment, an elastic member is provided between the first end portion and the locking block.

Compared with the prior art, the invention has the beneficial effects that:

according to the multi-directional angle-adjustable dental elevator disclosed by the invention, through the mode that the rotating ball head and the rotating groove are matched for rotation, the tappet can rotate at all angles in the axial direction and the radial direction of the handle by taking the rotating ball head as a fulcrum, so that the requirements on the dental elevator angle in the practical process of doctors are met, the elevator can be multi-purpose, the elevator is not required to be replaced, the situation that the elevator cannot be wedged between an alveolar bone and teeth due to poor straight elevator angle during tooth extraction is overcome, and the tooth extraction time of doctors is more effectively saved; the treatment pain and the wound of the patient are reduced, the other dental elevator can meet the requirement of multi-angle adjustment, the use quantity of the dental elevator is reduced, and the disinfection cost of a hospital is further reduced.

Drawings

FIG. 1 is a schematic view of a multi-directional angle-adjustable dental elevator of the present invention;

FIG. 2 is a bottom view of the multi-directionally adjustable angle dental elevator of the present invention;

FIG. 3 is a top view of the multi-directionally adjustable angle dental elevator of the present invention;

FIG. 4 is a schematic view showing the use state of the multi-directional angle-adjustable dental elevator of the present invention;

FIG. 5 is a partial schematic view of a multi-directional angle adjustable dental elevator control mechanism of the present invention;

FIG. 6 is a schematic cross-sectional view of a blade of the multi-directionally adjustable angle extraction elevator of the present invention.

In the figure: 100. a handle; 110. a hand grip; 200. a tappet; 210. a blade is pushed up; 300. an adjusting device; 310. a control mechanism; 311. a locking block; 312. a driving structure; 313. a stopper; 314. a chute; 315. locking and positioning; 316. adjusting the position; 317. a control cover; 318. an elastic member; 320. a rotation mechanism; 321. rotating the ball head; 322. and a rotary groove.

Detailed Description

The invention will be further described with reference to the drawings and the detailed description, wherein it should be noted that, on the premise of no conflict, the embodiments or technical features described below can be arbitrarily combined to form new embodiments. Materials and equipment used in this example are commercially available, except as specifically noted. Examples of embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are therefore not to be construed as limiting the present application. In the description of the present application, the meaning of "a plurality" is two or more, unless specifically stated otherwise.

In the description of the present application, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, or connected via an intermediary, or may be a connection between two elements or an interaction relationship between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

The terms first, second and the like in the description and in the claims of the present application and in the above-described figures, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Embodiment one:

referring to fig. 1-6, a multi-directionally adjustable angle dental elevator, comprising,

a handle 100, a grip 110 is formed at the outside of the handle 100 for stable grip of the hand in use; the handle 100 defines a mounting cavity therein;

the tappet 200, one end of the tappet 200 is connected with the handle 100, the other end forms a tappet blade 210, the cross section of the tappet blade 210 is of a convex-concave cambered surface structure, and the tappet blade 210 is used for wedging teeth to perform tooth extraction operation;

the adjusting device 300 is arranged at the joint of the tappet 200 and the handle 100, and the adjusting device 300 comprises a control mechanism 310 and a rotating mechanism 320;

the rotating mechanism 320 includes a rotating ball 321 and a rotating groove 322, the rotating ball 321 is formed at one end of the tappet 200 away from the tappet blade 210, and the rotating ball 321 has a spherical surface; the rotating groove 322 is formed at the end of the mounting cavity, the rotating groove 322 is provided with a spherical groove matched with the spherical surface, and the tappet 200 can rotate at multiple angles relative to the handle 100 through the matching of the spherical surface and the spherical groove;

the control mechanism 310 is disposed in the mounting cavity, the control mechanism 310 includes a driving structure 312 and a locking block 311, the locking block 311 is connected with an output end of the driving structure 312, the driving structure 312 drives the locking block 311 to apply pressure near the rotating ball 321, so that a rotation angle between the tappet 200 and the handle 100 is fixed, in this embodiment, the diameter of the rotating ball 321 is 5-10mm, and the rotatable angle is about 30 ° -60 °, so as to substantially meet an angle and stability required by the work.

In use, the angle of the tappet 200 is adjusted by the rotating mechanism 320 until the tappet 200 is proper, the locking block 311 is controlled by the driving structure 312 to be close to the rotating ball head 321, so that the rotating ball head 321 abuts against the rotating groove 322, and the tappet 200 is locked by limiting the rotation of the tappet 200 relative to the handle 100 through friction force. According to the multi-directional angle-adjustable dental elevator disclosed by the invention, the tappet 200 can rotate at all angles in the axial direction and the radial direction of the handle 100 by taking the rotary ball head 321 as a fulcrum in a mode of matching and rotating the rotary groove 322, so that the requirements of a doctor on the dental elevator angle in the practical process are met, the dental elevator can be multi-purpose, the dental elevator is not required to be replaced, the situation that the dental elevator cannot be wedged between an alveolar bone and teeth due to poor straight elevator angle in tooth extraction is overcome, and the tooth extraction time of the doctor is more effectively saved; the treatment pain and the wound of the patient are reduced, the other dental elevator can meet the requirement of multi-angle adjustment, the use quantity of the dental elevator is reduced, and the disinfection cost of a hospital is further reduced.

In order to provide the locking effect of the locking block 311 on the tappet 200, to prevent the tappet 200 from changing in angle due to slipping during use, in some preferred embodiments, a groove matching with the rotating ball 321 is provided on the side of the locking block 311 contacting with the rotating ball 321, and the contact area between the groove and the rotating ball 321 is increased by matching the groove with the rotating ball 321, so that the friction is further improved, and the tappet 200 is prevented from sliding in angle.

Further, an anti-slip layer is further arranged in the groove of the locking block 311, and friction force is further increased through the anti-slip layer, so that the tappet 200 is prevented from sliding at an angle; the anti-slip layer may be an anti-slip pad; the locking device can also be a protrusion arranged on the surface of the groove, meanwhile, the surface of the rotary ball 321 is provided with a groove matched with the protrusion, the tappet 200 is further limited to rotate relative to the handle 100 through the matching of the protrusion and the groove, and the locking effect of the locking block 311 is improved.

In some embodiments, the driving structure 312 may be implemented by a telescopic rod structure with a locking function, such as a gear and rack structure, wherein one end of the rack is an output end, the output end is connected with the locking block 311, torque is input to the gear, and the rack is driven to move by meshing, so that the locking block 311 at the end of the rack is close to or far from the rotating ball 321; the driving structure 312 can be realized through a nut screw mechanism, one end of the screw is an output end, the locking block 311 is connected with the output end, and the screw is driven to move through inputting torque to the nut, so that the locking block 311 at the end of the screw is close to or far from the rotating ball 321; the control mechanism 310 may also be implemented by other means such as a fixed point snap, pneumatic or hydraulic mechanism.

In the present embodiment, the driving structure 312 is realized by the following structure. The driving structure 312 comprises a control rod which is slidably connected in the mounting cavity, wherein two ends of the control rod respectively form a first end part and a second end part, the first end part is connected with the locking block 311, and the second end part penetrates out of the mounting cavity and extends to the outside of the handle 100; the control rod is provided with a stop block 313, the inside of the installation cavity is provided with a chute 314, the chute 314 can be formed in the installation cavity and integrally formed with the handle 100, or can be a metal sleeve formed in the installation cavity, and two ends of the chute 314 respectively form a locking position 315 and an adjusting position 316; the stop 313 can slide in the slide slot 314 to and from the locking position 315 and the adjusting position 316; when the stopper 313 is slid to the locking position 315, the locking piece 311 connected to the first end of the lever is pressed against the rotating ball 321 to lock the angle of the tappet 200 to the handle 100; when the stopper 313 is slid to the adjustment position 316, the locking piece 311 connected to the first end of the lever is away from the rotating ball 321, so as to adjust the angle between the tappet 200 and the handle 100. The structure controls the switching of the angle between the tappet 200 and the handle 100 by setting the locking position 315 and the adjusting position 316, saves the trouble of repeated adjustment, can be operated in place in one step, and improves the tooth extraction efficiency.

Specifically, the locking position 315 and the adjusting position 316 are respectively clamping positions disposed at two ends of the sliding chute 314, and the locking block 313 is clamped into the clamping positions, so as to limit the control rod to further slide, thereby realizing the switching and locking of the position of the locking block 311. Further, the clamping position is a clamping groove arranged at a certain angle with the sliding groove 314, preferably, the clamping groove is perpendicular to the sliding groove 314, wherein the perpendicular is not only an absolute perpendicular state, but also an allowable error due to the manufacturing progress, and the protection scope of the embodiment can be considered as long as the stop block 313 can be kept in the clamping groove and does not slide into the sliding groove 314;

when the locking device is used, the second end controls the stop block 313 to slide in the chute 314, and when the second end reaches the end of the chute 314, the stop block 313 is screwed into the locking position 315 or the adjusting position 316 by twisting the second end to complete gear switching, and of course, the clamping position can be arranged at the tail end of the clamping groove, so that the stability and the reliability of locking are further improved.

The second end is provided with a control cover 317, the control cover 317 controls the sliding of the stop block 313 in the chute 314 and the switching between the locking position 315 and the adjusting position 316, so that the control efficiency is improved, and the operation is convenient; the control cover 317 is provided with an anti-slip structure on the surface thereof to facilitate torque input to the control lever and to improve twisting efficiency. Further, an elastic member 318 is disposed at the connection between the first end and the locking block 311, the elastic member 318 provides an elastic force in the direction consistent with the direction of the sliding chute 314, and by disposing the elastic member 318 and utilizing the elastic force in the direction consistent with the direction of the sliding chute 314, the switching efficiency between the locking position 315 and the adjusting position 316 can be improved, and the blocking of the stop block 313 can be avoided; when the angle adjustment of the tappet 200 is required, and a certain range of elasticity is provided for the locking block 311 by the elastic member 318, the tappet 200 can be adjusted in reverse to be inclined to the shake due to excessive looseness. Of course, the spring force of the spring 318 cannot affect the angular locking of the tappet 200, as will be appreciated by those skilled in the art. In this embodiment, the elastic member 318 is a 1-2cm stainless steel spring.

Further, the connection part of the elastic piece 318 and the first end part is provided with a plane plate, the connection part of the elastic piece 318 and the locking block is provided with a fixed plate, the connection transition effect of the plane plate and the fixed plate is improved, the connection stability is improved, and the control rod is prevented from shaking in the adjusting process.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims (10)

1. A multi-directional angle-adjustable dental elevator is characterized by comprising,

the handle is provided with a holding part at the outer part and a mounting cavity at the inner part;

one end of the tappet is connected with the handle, and the other end of the tappet forms a tappet edge;

the adjusting device is arranged at the joint of the handle and the tappet and comprises a control mechanism and a rotating mechanism; the rotating mechanism comprises a rotating ball head and a rotating groove, the rotating ball head is formed at one end of the tappet, which is far away from the tappet blade, and the rotating ball head is provided with a spherical surface; the rotary groove is formed at the end part of the mounting cavity and is provided with a spherical groove matched with the spherical surface; the tappet can rotate relative to the handle through the cooperation of the spherical surface and the spherical groove; the control mechanism is for locking the angle between the tappet and the handle.

2. The multi-directional adjustable angle dental elevator of claim 1 wherein the control mechanism is disposed within the mounting cavity, the control mechanism comprising a drive structure and a locking block, the drive structure having an output; the locking block is connected with the output end of the driving structure; the locking block is driven by the driving structure to be close to the rotary ball head and apply pressure to the rotary ball head, so that the angle between the tappet and the handle is locked.

3. The multi-directional adjustable angle dental elevator of claim 2, wherein the side of the locking block in contact with the rotary ball head is provided with a spherical recess matching the rotary ball head.

4. A multi-directional adjustable angle dental elevator as in claim 3, wherein the spherical recess is provided with an anti-slip layer.

5. The multi-directional adjustable angle dental elevator of claim 2, wherein the driving structure is a telescopic rod structure with locking function.

6. The multi-directionally adjustable angle dental elevator of claim 2, wherein the drive structure comprises a lever slidably coupled within the mounting cavity; the two ends of the control rod are respectively provided with a first end part and a second end part, the first end part is connected with the locking block, the second end part penetrates out of the mounting cavity and extends to the outside of the handle, and the control rod is provided with a stop block;

a sliding groove is arranged in the mounting cavity, a locking position and an adjusting position are formed at two ends of the sliding groove respectively, and the stop block can slide in the sliding groove to and fro from the locking position and the adjusting position.

7. The multi-directional angle-adjustable dental elevator according to claim 6, wherein the locking position and/or the adjusting position are/is arranged at two ends of the sliding groove, and the locking position and/or the adjusting position is/are a clamping groove arranged at an angle with the sliding groove.

8. The multi-directionally adjustable angle dental elevator of claim 6, wherein the second end is provided with a control cap for controlling the sliding bar.

9. The multi-directionally adjustable angle dental elevator of claim 8, wherein the control cap surface is provided with an anti-slip feature.

10. The multi-directionally adjustable angle dental elevator of claim 6, wherein an elastic member is disposed between the first end and the locking block.

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