Oral tooth X-ray shooting positioning device

Abstract

The utility model discloses an oral tooth X-ray shooting positioning device which comprises a right positioning device, a middle positioning device and a left positioning device, the right positioning device, the middle positioning device and the left positioning device are all provided with film fixing clamps, and the right positioning device, the middle positioning device and the left positioning device are all provided with connecting plates connected with the film fixing clamps. The utility model provides an oral cavity tooth X-ray shooting positioning device which solves the problems that when an existing dental film positioning device is used for shooting, due to the fact that a needle is inserted into the teeth, a patient must open the mouth in the whole process, if the patient carelessly occludes, the patient can directly bite a needle handle, and serious consequences can be caused.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to an oral tooth X-ray shooting positioning device. Background Art

[0002] Dental radiographs refer to X-rays of teeth, which are the most commonly used examination method in clinical stomatology. They are about 3X4 square centimeters in area, and one dental radiograph can show 3-4 teeth. Teeth will show white shadows on the dental radiograph after being photographed. They play a vital role in the diagnosis and treatment of dental diseases in clinic. They are helpful in finding lesions before treatment, and can be used to understand the root canal length and root expansion during treatment, and observe the efficacy after treatment.

[0003] When the existing dental film locator is used for filming, the patient must open his mouth wide because the needle is inserted into the tooth. If the patient bites accidentally, he will bite directly on the needle handle, which will cause serious consequences.

[0004] Therefore, it is necessary to provide an oral dental X-ray shooting and positioning device to solve the above technical problems. Utility Model Content

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an oral dental X-ray shooting and positioning device to solve the problem that when the existing dental film locator is shooting, the patient must open his mouth wide throughout the whole process due to the needle inserted into the teeth. If the patient bites accidentally, he will directly bite the needle handle, which will cause serious consequences.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] An oral dental X-ray shooting positioning device, comprising: a right positioner, a middle positioner, and a left positioner;

[0008] The right positioner, the middle positioner and the left positioner all have a film fixing clamp, and the right positioner, the middle positioner and the left positioner all have a connecting plate connected to the film fixing clamp, wherein the connecting plates of the right positioner and the left positioner are arc-shaped extending structures toward the outside, and the connecting plate of the middle positioner is a straight structure, and the extending end of the connecting plate is connected to the operating rod through a connecting part.

[0009] In one embodiment, a baffle is fixedly installed on the side of the operating rod away from the film fixing clamp, the cross-section of the internal cavity of the baffle is three-quarters of a circle, and a rotatable folding positioning ring is provided inside the baffle. The folding positioning ring is movably installed inside the baffle to facilitate folding and storage of the folding positioning ring.

[0010] In one embodiment, a groove is formed on the outer wall of the film fixing clamp, and the groove is a groove with a U-shaped cross section.

[0011] In one embodiment, the bottom of the film fixing clip is provided with an engagement groove, which is distributed on both sides of the bottom of the film fixing clip, and the distribution direction of the engagement groove forms a vertical angle with the dentition direction.

[0012] In one embodiment, a mounting block is installed at the connection point between the operating rod and the connecting part, and a socket with two ends passing through is opened inside the mounting block. The connecting part is composed of a mounting plate, a mounting groove, a positioning hole, a fixing tube, an insertion rod, a turning handle, and a threaded head. A mounting groove is opened at the connection between the mounting plate and the operating rod, and positioning holes are opened on both sides of the mounting groove. The diameter of the positioning hole is consistent with the diameter of the socket. A fixing tube is installed outside the positioning hole on the right side, and the fixing tube is an internal thread structure. A insertion rod is inserted into the positioning hole, and the right side of the insertion rod is a threaded head, and the left side is a turning handle.

[0013] The beneficial effects of the utility model are as follows:

[0014] (1) The utility model provides a rotatable folding and positioning ring inside the baffle, and the folding and positioning ring is movably installed inside the baffle to facilitate the folding and storage of the folding and positioning ring. When in use, it can be opened and fixed to a proper angle, and when not in use, it can be folded and stored, which occupies a small space, is easy to centrally disinfect, and is not easy to be damaged.

[0015] (2) The utility model can be used to insert a needle or a gutta-percha tip during root canal treatment and use parallel projection technology to take photos. After the needle handle is passed through the groove and placed in place, the complete tooth condition can be accurately photographed during the photo shoot. During the photo shoot, the patient only needs to bite the film fixing clip, and the patient does not need to open his mouth wide during the whole process, so that the needle handle will not be bitten. When the patient bites the film fixing clip, the overall distribution direction of the occlusal groove is perpendicular to the direction of the dentition to avoid the problem of displacement when the patient bites the film fixing clip.

[0016] (3) The utility model inserts the mounting block of the operating rod into the mounting groove, passes the insertion rod through the positioning hole and the insertion hole respectively, and when the threaded head of the insertion rod enters the fixed tube, rotates the handle to screw the threaded head with the fixed tube to complete the installation. When disassembly is required, the above steps can be repeated in reverse. By adapting the right positioner, the middle positioner, and the left positioner with a single operating rod, a certain manufacturing cost is saved, and the problem of directly replacing the right positioner, the middle positioner, and the left positioner as a whole due to damage of the operating rod is avoided, thereby improving the practicality of the operating rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structure diagram of the utility model;

[0018] Figure 2 This is a detailed diagram of a single positioning group of the utility model;

[0019] Figure 3 This is a detailed diagram of the connection between the mounting portion and the operating rod of the utility model.

[0020] Among them, the names corresponding to the figure marks are: right positioner 1, middle positioner 2, left positioner 3, film fixing clip 4, connecting plate 5, connecting part 6, mounting plate 61, mounting groove 62, positioning hole 63, fixing tube 64, insertion rod 65, turning handle 66, threaded head 67, operating lever 7, baffle 71, folding positioning ring 72, mounting block 73, socket 74, bite groove 8, groove 9. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments. The present invention includes but is not limited to the following embodiments.

[0022] like Figure 1-Figure 2 As shown, the utility model provides an oral dental X-ray shooting positioning device, comprising: a right positioner 1, a middle positioner 2, and a left positioner 3;

[0023] like Figure 1-Figure 2 As shown, the right positioner 1, the middle positioner 2, and the left positioner 3 all have a film fixing clamp 4, and the right positioner 1, the middle positioner 2, and the left positioner 3 all have a connecting plate 5 connected to the film fixing clamp 4, wherein the connecting plates 5 of the right positioner 1 and the left positioner 3 are arc-shaped extending structures toward the outside, and the connecting plate 5 of the middle positioner 1 is a straight structure, and the extending end of the connecting plate 5 is connected to the operating rod 7 through the connecting part 6.

[0024] Preferably, in one embodiment, Figure 1-Figure 2 As shown, a baffle 71 is fixedly installed on the side of the operating rod 7 away from the film fixing clamp 4. The cross-section of the internal cavity of the baffle 71 is three-quarters of a circle. A rotatable folding positioning ring 72 is arranged inside the baffle 71. The folding positioning ring 72 is movably installed inside the baffle 71 to facilitate the folding and storage of the folding positioning ring 72. When in use, it can be opened and fixed to the proper angle. When not in use, it can be folded and stored, which occupies a small space, is easy to be disinfected in a centralized manner, and is not easy to be damaged.

[0025] Preferably, in one embodiment, Figure 1-Figure 2 As shown, the outer wall of the film fixing clamp 4 is provided with a groove 9, which is a groove with a U-shaped cross section. During root canal treatment, a needle or a gutta-percha tip can be inserted and photographed using a parallel projection technique. The needle handle is passed through the groove 9 and placed in place, and the complete tooth condition can be accurately photographed during the photographing. During the photographing, the patient only needs to bite the film fixing clamp 4, and the patient does not need to open his mouth wide during the whole process, so that the needle handle will not be bitten.

[0026] Preferably, in one embodiment, Figure 1-Figure 2 As shown, a bite groove 8 is provided at the bottom of the film fixing clip 4, and the bite grooves 8 are distributed on both sides of the bottom of the film fixing clip 4. The distribution direction of the bite grooves 8 is perpendicular to the direction of the dentition. When the patient bites the film fixing clip 4, the overall distribution direction of the bite grooves 8 is perpendicular to the direction of the dentition to avoid the problem of displacement when the patient bites the film fixing clip 4.

[0027] Preferably, in one embodiment, Figure 3 As shown, a mounting block 73 is installed at the connection point between the operating rod 7 and the connecting part 6, and a socket 74 with two ends passing through is opened inside the mounting block 73. The connecting part 6 is composed of a mounting plate 61, a mounting groove 62, a positioning hole 63, a fixing tube 64, a plug rod 65, a rotating handle 66, and a threaded head 67. A mounting groove 62 is opened at the connection between the mounting plate 61 and the operating rod 7, and positioning holes 63 are opened on both sides of the mounting groove 62. The diameter of the positioning hole 63 is consistent with the diameter of the plug hole 74. A fixing tube 64 is installed outside the positioning hole 63 on the right side, and the fixing tube 64 is an internal thread structure. A plug rod 65 is inserted in the positioning hole 63, and the right side of the plug rod 65 is a threaded head 67, and the left side is a rotating handle 66. When working, different positioning holes can be used. When the right positioner is used, only a single operating rod 7 is needed to complete the task. There is no need to separately install non-detachable operating rods 7 on the right positioner 1, the middle positioner 2, and the left positioner 3. By inserting the mounting block 73 of the operating rod 7 into the mounting groove 62, the insertion rod 65 is passed through the positioning hole 63 and the insertion hole 74 respectively. When the threaded head 67 of the insertion rod 65 enters the fixed tube 64, the handle 66 is rotated to make the threaded head 67 and the fixed tube 64 screwed together to complete the installation. When disassembly is required, the above steps are repeated in reverse. By adapting the right positioner 1, the middle positioner 2, and the left positioner 3 to a single operating rod 7, a certain manufacturing cost is saved, and the problem of directly replacing the right positioner 1, the middle positioner 2, and the left positioner 3 as a whole due to damage of the operating rod 7 is avoided, thereby improving the practicality of the operating rod 7.

[0028] Working principle of this utility model:

[0029] During operation, a groove 9 is provided on the film fixing clamp 4. During root canal treatment, a needle (root canal file) is inserted into the root canal of the tooth, and the needle handle is retained above the occlusal surface of the crown. The folding positioning ring 72 is opened and adjusted to an appropriate angle, and the dental film is placed on the film fixing clamp 4. At this time, the folding positioning ring 72 is parallel to the film fixing clamp 4. After the groove 9 is passed through the needle handle and placed in place, the patient is asked to bite the film fixing clamp 4. At this time, the film fixing clamp 4 is fixed in the oral cavity, and the tube of the dental film machine is aligned with the folding positioning ring 72 for shooting. After shooting, the X-ray image can clearly show the teeth, root canal and periodontal structures. During shooting, the patient bites the film fixing clamp 4 and makes the needle handle pass through the groove 9. When the patient bites the film fixing clamp 4, the patient's dentition contacts the occlusal groove 8, and the direction of the occlusal groove 8 is at a vertical angle to the direction of the dentition, so that the patient is not prone to displacement when biting the film fixing clamp 4.

[0030] The above embodiment is only one of the preferred implementation modes of the present utility model and should not be used to limit the protection scope of the present utility model. Any changes or modifications that are made to the main design concept and spirit of the present utility model without any substantive significance, as long as the technical problems solved are still consistent with the present utility model, should be included in the protection scope of the present utility model.

Claims

1. An oral tooth X-ray shooting and positioning device, characterized in that: include: Right locator, middle locator, left locator; The right positioner, the middle positioner and the left positioner all have a film fixing clamp, and the right positioner, the middle positioner and the left positioner all have a connecting plate connected to the film fixing clamp, wherein the connecting plates of the right positioner and the left positioner are arc-shaped extending structures toward the outside, and the connecting plate of the middle positioner is a straight structure, and the extending end of the connecting plate is connected to the operating rod through a connecting part.

2. The oral dental X-ray shooting and positioning device according to claim 1, characterized in that: A baffle is fixedly installed on the side of the operating rod away from the film fixing clamp. The cross-section of the internal cavity of the baffle is three-quarters of a circle. A rotatable folding positioning ring is arranged inside the baffle. The folding positioning ring is movably installed inside the baffle to facilitate folding and storage of the folding positioning ring.

3. The oral dental X-ray shooting and positioning device according to claim 1, characterized in that: The outer wall of the film fixing clamp is provided with a groove, which is a groove with a U-shaped cross section.

4. The oral dental X-ray shooting and positioning device according to claim 1, characterized in that: The bottom of the film fixing clamp is provided with an occlusal groove, which is distributed on both sides of the bottom of the film fixing clamp, and the distribution direction of the occlusal groove forms a vertical angle with the dentition direction.

5. The oral dental X-ray shooting and positioning device according to claim 1, characterized in that: A mounting block is installed at the connection point between the operating rod and the connecting part, and a socket with two ends passing through is opened inside the mounting block. The connecting part is composed of a mounting plate, a mounting groove, a positioning hole, a fixing tube, an insertion rod, a turning handle, and a threaded head. A mounting groove is opened at the connection between the mounting plate and the operating rod, and positioning holes are opened on both sides of the mounting groove. The diameter of the positioning hole is consistent with the diameter of the socket. A fixing tube is installed outside the positioning hole on the right side, and the fixing tube is an internal thread structure. A insertion rod is inserted into the positioning hole, and the right side of the insertion rod is a threaded head, and the left side is a turning handle.

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