CN211300414U - Electric screw-in residual root extractor - Google Patents

Abstract

The utility model relates to a dentistry medical technology field just discloses an electronic screw-in incomplete root extirpator, including electronic screw machine body, connecting cylinder and torsion control ring are installed to the output of electronic screw machine body, the connecting cylinder internal fixation is pegged graft and is had the screw, the lateral wall of electronic screw machine body still is equipped with the on & off switch and advances/retreat the shift key. The utility model discloses can realize perpendicularly to the application of force, the at utmost guarantees that the alveolus nest is complete, and the patient of being convenient for carries out planting immediately.

Description

Electric screw-in residual root extractor

Technical Field

The utility model relates to a dentistry medical treatment technical field especially relates to an electronic screw-in residual root extractor.

Background

Tooth extraction is the most commonly used treatment technique in stomatology, and must be carefully treated because tooth extraction can cause local tissue damage, cause reactions such as bleeding, swelling, pain and the like, and can also cause fluctuations in blood pressure, body temperature and pulse. It is especially suitable for patients with cardiovascular diseases and blood diseases, otherwise, serious consequences can be caused.

The traditional tooth extraction needs to be operated by instruments such as a tooth extraction forceps, a dental elevator, a dental hammer and the like, methods such as extraction, prying, screwing, shaking and the like are mostly adopted as a tooth extraction manipulation, the tooth extraction manipulation mainly depends on experience and technology of a dentist, if a broken tooth root is encountered, the tool cannot be positioned on the broken tooth root, the tooth extraction is very troublesome, sometimes, a gum needs to be cut open and then treated, a patient suffers from a lot of pain, non-vertical stress in the tooth extraction process can cause complications such as fracture of a bone plate, bleeding and edema, and when a gap between the broken root and a dental socket is small, a hammer needs to be used for knocking, so that the patient feels uncomfortable and fear.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the complications such as fracture, hemorrhage edema that the non-perpendicular atress of the in-process of extracting teeth probably caused the hone lamella among the prior art, when the clearance hour between stub and alveolar socket, need use the hammer to strike, lead to the problem that the patient is uncomfortable, feared, and the electronic formula stub extractor of screwing in that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric screw-in residual root extractor comprises an electric screw machine body, wherein the output end of the electric screw machine body is provided with a connecting cylinder and a torsion control ring, screws are fixedly inserted in the connecting cylinder, and the side wall of the electric screw machine body is also provided with an on-off key and a forward/backward switching key;

the electric screw machine comprises an electric screw machine body and is characterized in that the lower end of the electric screw machine body is fixedly connected with a U-shaped positioning plate, a positioning block is fixedly clamped in the U-shaped positioning plate, a handle is fixedly connected with the lower end of the positioning block, a cavity is formed in the positioning block, a push-pull rod is movably inserted into the inner wall of the cavity, one end of the push-pull rod penetrates through the positioning block and is fixedly connected with a reset pull plate, a plurality of connecting rods are symmetrically and rotatably connected to the rod wall of the push-pull rod in the cavity, one end, away from the push-pull rod, of each connecting rod is rotatably connected with a positioning rod, one end, away from the connecting rods, of each positioning rod penetrates through the positioning block, positioning holes which are inserted into the U-shaped positioning plate correspondingly to the.

Preferably, the upper end of the positioning block is fixedly connected with a plurality of wedge blocks, and the lower end of the horizontal part of the U-shaped positioning plate is provided with a dovetail groove matched and clamped with the wedge blocks.

Preferably, the surface of the handle is coated with a layer of anti-skid and wear-resistant rubber pad.

Preferably, the lower end of the handle is fixedly connected with a supporting saddle.

Preferably, the positioning rod is tightly matched with the positioning hole.

Compared with the prior art, the utility model provides an electronic screw-in residual root extractor possesses following beneficial effect:

1. the electric screw-in residual root extractor fixes screws in a connecting cylinder through an electric screw machine body, realizes the stable connection of the screws through a torque control ring, adjusts an advancing/retreating switch key to an advancing gear, presses a switch key to rotate the screws, aligns the screws at the position of a pressed residual root to be extracted, vertically aligns the screws to screw the screws into a pulp cavity of the residual root to ensure the screws to be stably connected with the residual root, adjusts the advancing/retreating switch key to a retreating gear, utilizes the pulling force generated by the electric screw machine body to pull out a tooth root, can realize vertical force application, furthest ensures the completeness of a tooth socket, is convenient for a patient to plant at once, avoids complications such as fracture, bleeding and edema of a bone plate possibly caused by non-vertical force, and needs to use a hammer to knock when the gap between the residual root and the tooth socket is small, causing discomfort and fear to the patient.

2. This electronic screw-in incomplete root extractor, through U-shaped locating plate and the locating piece that is equipped with, when needs use the handle to carry out auxiliary operation, utilize the matching joint effect of wedge and dovetail to make the relatively accurate connection of locating piece in the U-shaped locating plate, after the locating hole is aimed at to the locating rod, reset spring pullback fixed plate, the fixed plate drives the push-and-pull rod and removes, the push-and-pull rod promotes the locating rod through the connecting rod and makes the locating rod stretch out outside the locating piece and insert in the locating hole, can realize the firm spacing connection of U-shaped locating plate and locating piece, and when needs take off the handle, the pulling plate that resets, the pulling plate pullback push-and-pull rod can pull out the locating hole outside the locating hole with the locating rod, can realize the quick assembly disassembly.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize perpendicularly to the application of force, the at utmost guarantees that the alveolus nest is complete, and the patient of being convenient for carries out planting immediately.

Drawings

Fig. 1 is a schematic structural view of an electric screw-in type stump extractor according to the present invention;

FIG. 2 is a schematic diagram of a side view of the connection between the U-shaped positioning plate and the positioning block of the electric screw-in type stump remover according to the present invention;

fig. 3 is a schematic view of the structure of the electric screw-in type stump remover with the U-shaped positioning plate and the positioning block connected together.

In the figure: the device comprises an electric screw machine body 1, a connecting cylinder 2, a torsion control ring 3, screws 4, an on-off key 5, a forward/backward switching key 6, a U-shaped positioning plate 7, a positioning block 8, a handle 9, a cavity 10, a push-pull rod 11, a reset pull plate 12, a connecting rod 13, a positioning rod 14, a positioning hole 15, a fixing plate 16, a reset spring 17, a wedge block 18, a dovetail groove 19 and a support saddle 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an electric screw-in type stump extractor comprises an electric screw machine body 1, wherein the output end of the electric screw machine body 1 is provided with a connecting cylinder 2 and a torsion control ring 3, a screw 4 is fixedly inserted in the connecting cylinder 2, and the side wall of the electric screw machine body 1 is also provided with an on-off key 5 and a forward/backward switching key 6;

the lower extreme of electronic screw machine body 1 is fixedly connected with U-shaped locating plate 7 still, U-shaped locating plate 7 internal fixation joint has locating piece 8, the lower extreme fixedly connected with handle 9 of locating piece 8, locating piece 8 is inside to be equipped with cavity 10, the inner wall activity of cavity 10 is pegged graft and is had push-and-pull rod 11, the one end of push-and-pull rod 11 runs through and stretches out outside locating piece 8 and fixedly connected with pull plate 12 that resets, the pole wall symmetry that push-and-pull rod 11 is located cavity 10 rotates and is connected with many connecting rods 13, the one end that push-and-pull rod 11 was kept away from to connecting rod 13 rotates and is connected with locating lever 14, the one end that connecting rod 13 was kept away from to locating lever 14 runs through and stretches out outside locating piece 8, locating hole 15 that corresponds the grafting with locating lever 14 is seted up to the lateral wall of U-shaped.

The upper end of the positioning block 8 is fixedly connected with a plurality of wedge blocks 18, and the lower end of the horizontal part of the U-shaped positioning plate 7 is provided with a dovetail groove 19 which is matched and clamped with the wedge blocks 18.

The surface of the handle 9 is coated with a layer of anti-skid and wear-resistant rubber pad.

The lower end of the handle 9 is fixedly connected with a supporting saddle 20.

The positioning rod 14 is tightly fitted with the positioning hole 15.

In the utility model, when in use, the screw 4 is fixed in the connecting cylinder 2 through the electric screw machine body 1, the firm connection of the screw 4 is realized through the torsion control ring 3, the forward/backward switching key 6 is adjusted to the forward gear, the switch key 5 is pressed to rotate the screw 4, the screw 4 is aligned to the residual root to be pulled out, the screw is screwed into the pulp cavity of the residual root through vertical alignment, the screw 4 is stably connected with the residual root, the forward/backward switching key 6 is adjusted to the backward gear, the root of the tooth is pulled out by using the pulling force generated by the electric screw machine body 1, the vertical force application can be realized, the completeness of the dental socket is ensured to the maximum extent, the patient can carry out instant planting conveniently, the complications of fracture, bleeding edema and the like of the bone plate caused by non-vertical force are avoided, when the clearance between the residual root and the dental socket is small, the problem that a hammer is needed to knock the screw driver to cause discomfort and fear to a patient is solved, when the handle 9 is needed to be used for auxiliary operation, the positioning block 8 is relatively accurately connected into the U-shaped positioning plate 7 through the matching clamping action of the wedge block 18 and the dovetail groove 19 through the U-shaped positioning plate 7 and the positioning block 8, after the positioning rod 14 is aligned with the positioning hole 15, the reset spring 17 pulls the fixing plate 16 back, the fixing plate 16 drives the push-pull rod 11 to move, the push-pull rod 11 pushes the positioning rod 14 through the connecting rod 13 to enable the positioning rod 14 to extend out of the positioning block 8 and be inserted into the positioning hole 15, the stable limiting connection between the U-shaped positioning plate 7 and the positioning block 8 can be realized, when the handle 9 is needed to be taken down, the reset pull plate 12 is pulled, the reset pull plate 12 pulls the push-pull rod 11 to pull the positioning rod 14 out of the positioning hole 15, and the quick assembly and, is convenient for connection and use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. An electric screw-in residual root extractor comprises an electric screw machine body (1), and is characterized in that the output end of the electric screw machine body (1) is provided with a connecting cylinder (2) and a torsion control ring (3), a screw (4) is fixedly inserted in the connecting cylinder (2), and the side wall of the electric screw machine body (1) is also provided with a switch key (5) and a forward/backward switching key (6);

the lower end of the electric screw machine body (1) is further fixedly connected with a U-shaped positioning plate (7), the U-shaped positioning plate (7) is fixedly clamped with a positioning block (8), the lower end of the positioning block (8) is fixedly connected with a handle (9), a cavity (10) is arranged inside the positioning block (8), a push-pull rod (11) is movably inserted into the inner wall of the cavity (10), one end of the push-pull rod (11) penetrates through the positioning block (8) and is fixedly connected with a reset pull plate (12), the rod wall of the push-pull rod (11) in the cavity (10) is symmetrically and rotatably connected with a plurality of connecting rods (13), one ends, far away from the push-pull rod (11), of the connecting rods (13) are rotatably connected with positioning rods (14), one ends, far away from the connecting rods (13), of the positioning rods (14) penetrate through the positioning block (8), positioning holes (15) correspondingly inserted with the positioning rods (14, one end of the push-pull rod (11) positioned in the cavity (10) is fixedly connected with a fixing plate (16), and a plurality of return springs (17) are fixedly connected between the fixing plate (16) and the inner wall of the cavity (10).

2. The electric screwed-in residual root extractor according to claim 1, characterized in that the upper end of the positioning block (8) is fixedly connected with a plurality of wedge blocks (18), and the lower end of the horizontal part of the U-shaped positioning plate (7) is provided with a dovetail groove (19) which is matched and clamped with the wedge blocks (18).

3. An electric screw-in extractor of stumps as claimed in claim 1, wherein the surface of said handle (9) is covered with a layer of anti-slip and wear-resistant rubber pad.

4. An electric screw-in extractor of stumps as claimed in claim 1, wherein a support tray (20) is fixedly connected to the lower end of the handle (9).

5. An electric screw-in stump remover according to claim 1, wherein said positioning rod (14) is tightly fitted with positioning hole (15).

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