Visual minimally invasive tooth extraction knife

Abstract

The utility model provides a visual minimally invasive tooth extraction knife, which comprises a handle for holding; a connecting assembly; the knife body is detachably connected with the handle through the connecting assembly, the knife body can rotate, and the knife body acts on a tooth root to enable the tooth root to be dislocated; the visual endoscope is movably mounted on the knife body and the connecting assembly, and is used for positioning and observing a tooth root; and the display is connected with the visual endoscope and is used for transmitting a real-time picture.

Description

TECHNICAL FIELD

[0001] The utility model relates to tooth extraction sword technical field, concretely relates to a visual minimally invasive tooth extraction sword. BACKGROUND

[0002] Root fracture refers to the tooth root caused by trauma or tooth extraction surgery and remaining in the alveolar. The length of the root fracture is not the same, and the normal anatomical structure of the periodontal membrane and the alveolar bone is not damaged, and it is often firmly retained in the alveolar. It is difficult to remove the root fracture, especially the curved hook root, U-shaped root (horse hoof root), and enlarged root end. Once the root is broken, combined with the small oral space and the hidden position of the broken root, the operator's field of view is not clear, and the instrument is difficult to reach the broken root position, making it difficult to operate and remove, and the operation is more complex. Especially when the broken root is near some special parts: the maxillary sinus bottom, the lower alveolar nerve canal, and the tongue side plate loss, blind root extraction may cause certain risks and damage to the patient, and even cause medical accidents. Therefore, how to overcome the shortcomings of the prior art is a problem that needs to be solved in the field of medical devices at present. SUMMARY

[0003] The utility model discloses a visual minimally invasive tooth extraction sword to solve the above-mentioned technical problem, can direct positioning broken root under the condition of direct vision, and remove the broken root, avoid minimally invasive and reduce the risk and damage caused by blind operation.

[0004] The utility model discloses the technical scheme as follows:

[0005] A visual minimally invasive tooth extraction sword, comprising: a handle for holding; a connecting assembly; a sword body, the sword body is detachable with the handle through the connecting assembly, and the sword body is rotatable, the sword body acts on the tooth root, and the tooth root is dislocated; a visual endoscope, the visual endoscope is movably installed on the sword body and the connecting assembly, and is used for positioning and observing the tooth root; and a display, the display is connected with the visual endoscope, and transmits real-time pictures.

[0006] The sword body comprises a sword rod, and one end of the sword rod is provided with a blade part.

[0007] The connecting assembly comprises: a connecting head, the connecting head is provided with a connecting cavity at one end, the connecting cavity is provided with an internal thread, the other end of the connecting head is provided with a through hole, and the through hole is communicated with the connecting cavity; a screw rod, the screw rod is fixedly connected with the end of the handle, the screw rod is threadedly connected with the connecting head, and one end of the screw rod away from the handle is provided with a ball groove; and a ball head, the ball head is fixedly connected at one end of the sword sliding rod away from the blade part, and the ball head is matched with the ball groove; the blade part of the sword body passes through the through hole from the connecting cavity, and after the handle is connected with the connecting head through the screw rod, the ball head is rotatably connected in the ball groove.

[0008] The diameter of the ball head is larger than the diameter of the blade rod, and the diameter of the through hole is larger than the diameter of the blade rod and smaller than the diameter of the ball head.

[0009] The buckle assembly is detachably mounted on the blade rod and the connecting head, and comprises a fixing block, an arc-shaped clamping groove is arranged on the fixing block, the visual endoscope is clamped in the arc-shaped clamping groove, and a plug rod is arranged at the bottom of the fixing block.

[0010] The visual minimally invasive tooth extraction knife has the advantages that:

[0011] The visual minimally invasive tooth extraction knife can play the roles of precise positioning and tooth extraction in tooth extraction of a residual root that cannot be directly observed or has unclear vision, can effectively avoid damage to a patient caused by blind operation, such as pushing the residual root into the maxillary sinus or the inferior alveolar nerve canal, a doctor can adjust the angle of the blade part according to the position of the broken root, so as to achieve the purpose of removing the residual root, and the visual minimally invasive tooth extraction knife is easy to be clinically popularized and applied. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the visual minimally invasive tooth extraction knife of the embodiment of the utility model;

[0013] Figure 2 It is an exploded structure schematic view of the visual minimally invasive tooth extraction knife of one embodiment of the utility model;

[0014] Figure 3 It is Figure 2 It is an enlarged structure schematic view of position A in the middle;

[0015] Figure 4 It is a structure schematic view of the buckle assembly of one embodiment of the utility model.

[0016] MARKS OF THE DRAWINGS:

[0017] 10-handle;

[0018] 20-connecting assembly, 21-connecting head, 22-connecting cavity, 23-through hole, 24-screw rod, 25-ball groove, 26-ball head;

[0019] 30-blade body, 31-blade rod, 32-blade part;

[0020] 40-visual endoscope;

[0021] 50-display;

[0022] 60-buckle assembly, 61-fixing block, 62-arc-shaped clamping groove, 63-plug rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figures 1-4 As shown in the figure, a visual minimally invasive tooth extraction scalpel according to an embodiment of this utility model may include a handle 10, a connecting component 20, a blade 30, a visual endoscope 40, and a display 50. The handle 10 is used for gripping; the blade 30 is detachably connected to the handle 10 via the connecting component 20, and the blade 30 is rotatable, acting on the tooth root to dislocate it; the visual endoscope 40 is movably mounted on the blade 30 and the connecting component 20, and is used for locating and observing the tooth root; the display 50 is connected to the visual endoscope 40, transmitting real-time images, thereby enabling direct visualization and precise positioning of the extracted tooth root.

[0025] In one embodiment of this utility model, such as Figure 2 As shown, the blade body 30 includes a blade shank 31, and one end of the blade shank 31 is provided with a cutting edge 32.

[0026] In one embodiment of this utility model, such as Figure 1 and Figure 2 As shown, the connecting assembly 20 may include a connector 21, a screw 24, and a ball head 26. One end of the connector 21 has a connecting cavity 22 with an internal thread, and the other end has a through hole 23 communicating with the connecting cavity 22. The screw 24 is fixedly connected to the end of the handle 10 and threadedly connected to the connector 21. The end of the screw 24 away from the handle 10 has a ball groove 25. The ball head 26 is fixedly connected to the end of the blade slide bar away from the blade 32, and the ball head 26 is adapted to the ball groove 25. It should also be noted that the diameter of the ball head 26 is larger than the diameter of the blade 31, and the diameter of the through hole 23 is larger than the diameter of the blade 31 but smaller than the diameter of the ball head 26, allowing the blade 31 to rotate at a certain angle.

[0027] During installation, the blade portion 32 of the blade body 30 passes through the through hole 23 from the connecting cavity 22. After the handle 10 is connected to the connector 21 via the screw 24, the ball head 26 is rotatably connected to the ball groove 25.

[0028] In the embodiment of the utility model, the blade part can be made into various angles, the cutter body 30 is detachably connected with the connecting assembly 20, different cutter bodies 30 can be replaced for use, and the angle can be changed more. The cutter body 30 can rotate in the connecting head 21, the direction of the blade part 32 can be changed, and different angles can be adapted. When the tooth root is pulled out, the blade part 32 is inserted between the tooth root and the bone, and the blade part 32 is rotated to dislocate the tooth root.

[0029] In an embodiment of the utility model, as shown in Figure 2 、 Figure 3 and Figure 4 , the utility model further includes buckle assembly 60, buckle assembly 60 detachable installation on the cutter bar 31 and connecting head 21, buckle assembly 60 includes fixed block 61, be equipped with arc clamping slot 62 on fixed block 61, visible endoscope 40 is clamped in arc clamping slot 62, the bottom of fixed block 61 is equipped with plug rod 63, the cutter bar 31 and connecting head 21 are equipped with the insertion hole of adaptation with plug rod 63, fixed block 61 is inserted in the insertion hole through plug rod 63. Wherein, the interference fit between plug rod 63 and insertion hole, fixed block 61 can be made of plastic, has certain elasticity.

[0030] According to the visual minimally invasive tooth extraction knife, the minimally invasive tooth extraction knife includes a handle 10, a connecting assembly 20, a cutter body 30, a visible endoscope 40 and a display 50. The handle 10 is used for holding, the connecting assembly 20 is used for adjusting the direction of the blade part 32, the visible endoscope 40 is used for accurately positioning the position of the residual root, and the display 50 is used for transmitting real-time images. The visual minimally invasive tooth extraction knife can be used for accurately positioning and extracting the residual root in the extraction of the residual root that cannot be directly observed or has unclear vision, can effectively avoid the damage to the patient caused by blind operation, such as the residual root being inserted into the maxillary sinus or the inferior alveolar nerve canal, and is easy to be clinically popularized and applied.

[0031] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, on the premise of not departing from the utility model concept, still can make multiple deformation and improvement, these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be according to the attached claims.

Claims

1. A visual minimally invasive tooth extraction blade, characterized in that, include: A handle, used for gripping; Connection components; The blade is detachably connected to the handle via a connecting component, and the blade can rotate. The blade acts on the tooth root, causing the tooth root to dislocate. A visual endoscope, which is movably mounted on the blade and connecting assembly, is used to locate and observe the tooth root; as well as The monitor is connected to the visual endoscope to transmit real-time images; The connection components include: The connector has a connecting cavity at one end with an internal thread, and a through hole at the other end that communicates with the connecting cavity. A screw rod, the end of which is fixedly connected to the handle, and the screw rod is threadedly connected to the connector. The end of the screw rod furthest from the handle has a ball groove. The ball head is fixedly connected to the end of the slide bar away from the blade, and the ball head is adapted to the ball groove; The cutting edge of the blade passes through the through hole from the connecting cavity. After the handle is connected to the connector via a screw, the ball head rotates and connects to the ball groove. The snap-fit ​​assembly is detachably mounted on the blade shank and connector of the blade body. The snap-fit ​​assembly includes a fixing block with an arc-shaped groove on it. The visual endoscope is snapped into the arc-shaped groove. The bottom of the fixing block has a plug rod. The blade shank and connector have insertion holes that are compatible with the plug rod. The fixing block is inserted into the insertion hole through the plug rod.

2. The visual minimally invasive tooth extraction blade according to claim 1, characterized in that, The blade body includes a shank, and one end of the shank is provided with a cutting edge.

3. The visual minimally invasive tooth extraction blade according to claim 2, characterized in that, The diameter of the ball head is larger than the diameter of the tool holder, and the diameter of the through hole is larger than the diameter of the tool holder but smaller than the diameter of the ball head.

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