X-ray film positioner
By designing an X-ray film positioner with a positioning ring, connecting rod, occlusive pad, and snap-fit structure, the problems of unclear imaging and patient discomfort in existing technologies have been solved, achieving stability and convenience, and making it suitable for patients of different ages.
Patent Information
- Application Number
- CN202422712166.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2034-11-06
AI Technical Summary
Existing X-ray film positioners can easily affect the imaging progress and patient experience when taking root tip images. The patient's position is prone to change, resulting in unclear images. Furthermore, they are not very practical for pediatric patients and are not comfortable enough.
An X-ray film positioner was designed, comprising a positioning ring, an O-ring, a connecting rod, a bite pad, and a disassembly assembly. The positioning ring determines the position of the imaging tube, the connecting rod supports the bite pad to fix the teeth, the bite pad prevents slippage, the snap fastener fixes the film device, the rubber sleeve provides cushioning protection, and the snap fastener and slot structure improves stability and facilitates disassembly.
It improves the accuracy of apical imaging and the patient experience, is suitable for patients of different ages, especially children, and enhances the stability and ease of use of the device.
Smart Images

Figure CN223886899U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of positioners, and more particularly to an X-ray film positioner. Background Technology
[0002] An X-ray film positioner is an auxiliary tool used for dental X-ray imaging. With the increasing needs of oral diagnosis and treatment, the demand for taking small dental X-ray films is constantly increasing, and it is the most important step in the root canal treatment process.
[0003] In current technology, X-ray film positioners are used for periapical imaging. However, this method can easily cause nausea, vomiting, and excessive salivation in patients, affecting the imaging process and patient experience. Patients are also prone to mispositioning, leading to unclear and inaccurate images. Furthermore, X-ray film positioners are bulky and not compact enough, making them suitable only for adults. They are not stable for patients with multiple missing teeth, and their large size makes them impractical for children. Comfort is only moderate. Therefore, there is a need to develop an improved X-ray film positioner to solve these problems. Utility Model Content
[0004] To overcome the problems of unclear and inaccurate images that easily affect the progress of root apical imaging and the patient's experience, as well as the fact that the large size makes it impractical for pediatric patients and the comfort level is moderate.
[0005] The technical solution of this utility model is as follows: an X-ray film positioner, including a positioning ring, an O-block, a connecting rod, a bite pad, and a disassembly assembly. The O-block is fixedly connected inside the positioning ring, and the disassembly assembly is provided on the top of the positioning ring. The connecting rod is fixedly connected to the top of the O-block, and the bite pad is fixedly connected to the end of the connecting rod away from the O-block. The bite pad is supported by the connecting rod.
[0006] Preferably, the position of the imaging tube is accurately determined by the positioning ring, and the positioning ring and the card reader body are connected by the connecting rod. The occlusal pad is fixedly connected to the front end of the connecting rod. During imaging, the patient can place their teeth on the occlusal pad, and the position is fixed by the protrusions at both ends of the occlusal pad to prevent slippage. The X-ray imaging device is fixed inside the card reader body by two third clips and the first clip. The X-ray imaging device is protected by a rubber sleeve, which cushions the device and prevents damage. The Z-shaped plate has grooves at the corresponding positions of the second clips. By moving the two second clips, the card reader body can be quickly removed from the Z-shaped plate for easy replacement and improved efficiency. The two second clips are engaged inside the Z-shaped plate to prevent the position of the card reader body from shifting, thus improving stability.
[0007] Preferably, the connecting rod has five through slots inside, which are evenly distributed inside the connecting rod to prevent excessive secretions from the patient.
[0008] Preferably, a fixing plate is fixedly connected to the top of the connecting rod, and the fixing plate is fixedly connected to the right side of the occlusal pad. A Z-shaped plate is fixedly connected to the rear end of the fixing plate, and a connecting block is movably connected to the top of the Z-shaped plate. The position of the imaging tube is accurately determined by the positioning ring. The positioning ring and the card reader body are connected by the connecting rod, and the occlusal pad is fixedly connected to the front end of the connecting rod. When taking pictures, the patient can place their teeth on the occlusal pad, and the position is fixed by the protrusions at both ends of the occlusal pad to prevent it from sliding.
[0009] Preferably, the front end of the occlusal pad is provided with protrusions, and the protrusions are symmetrically distributed on both sides of the occlusal pad. The position is fixed by the protrusions at both ends of the occlusal pad, making it less prone to slippage.
[0010] Preferably, the disassembly assembly includes a card reader body, which is fixedly connected to the top of the connecting block. A curved plate is fixedly connected to the top of the connecting block, and the card reader body is fixedly connected inside the curved plate. A third latch is fixedly connected to the top of the curved plate, and a first latch is fixedly connected to the top of the card reader body. A rubber sleeve is movably connected inside the first latch, and a second latch is fixedly connected to the bottom of the connecting block. The second latch is connected inside the Z-shaped plate. The X-ray imaging device is fixed inside the card reader body by the two third latches and the first latch, and the two second latches are engaged inside the Z-shaped plate to prevent the card reader body from shifting position and improve stability.
[0011] Preferably, there are two third clips, which are symmetrically distributed on the top of the curved plate. There are three rubber sleeves, which are symmetrically distributed inside the third clips and the first clip. The rubber sleeves protect the X-ray imaging device, buffer the device, and prevent damage to the device.
[0012] Preferably, there are two second buckles, which are symmetrically distributed on the connecting block. The Z-shaped plate has grooves at the corresponding positions of the two second buckles. The second buckles move in the grooves. By moving the two second buckles, the card reader body can be quickly disassembled from the Z-shaped plate, which is convenient for replacement and improves efficiency. The two second buckles are engaged inside the Z-shaped plate to prevent the card reader body from shifting position and improve stability.
[0013] The beneficial effects of this utility model are:
[0014] 1. The positioning ring accurately determines the position of the imaging tube. The positioning ring and the card unit are connected by the connecting rod. The occlusal pad is fixed to the front end of the connecting rod. During imaging, the patient can place the teeth on the occlusal pad. The protrusions at both ends of the occlusal pad fix the position, making it less likely to slip. This avoids the problems that can easily affect the imaging progress and patient experience during periapical imaging, such as unclear or inaccurate images. However, due to its large size, it is not very practical for children and its comfort level is moderate. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the first overall structure of an X-ray film positioner according to the present invention;
[0016] Figure 2 This is a schematic diagram of the main body structure of an X-ray film locator card device according to the present invention;
[0017] Figure 3 This is a schematic diagram of the first snap-fit structure of an X-ray film positioner according to the present invention;
[0018] Figure 4 This is a schematic diagram of the Z-shaped plate structure of an X-ray film positioner according to the present invention;
[0019] Figure 5 This is a schematic diagram of the disassembly assembly of an X-ray film positioner according to the present invention.
[0020] Explanation of reference numerals in the attached drawings: 1. Positioning ring; 21. Connecting rod; 22. Engaging pad; 23. Z-shaped plate; 24. Connecting block; 25. Fixing plate; 31. Card holder body; 32. First buckle; 33. Rubber sleeve; 34. Second buckle; 35. Bend plate; 36. Third buckle; 4. O-block. Detailed Implementation
[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0022] Please see Figures 1-5 This utility model provides an embodiment: an X-ray film positioner, including a positioning ring 1, an O-ring 4, a connecting rod 21, an occlusal pad 22, and a disassembly assembly. The O-ring 4 is fixedly connected inside the positioning ring 1, and the disassembly assembly is provided on the top of the positioning ring 1. The connecting rod 21 is fixedly connected to the top of the O-ring 4, and the occlusal pad 22 is fixedly connected to the end of the connecting rod 21 away from the O-ring 4. The occlusal pad 22 is supported by the connecting rod 21. The connecting rod 21 has five through slots inside, and the five through slots are evenly distributed inside the connecting rod 21 to prevent excessive secretions from the patient.
[0023] Please see Figures 1-2 , Figure 4In this embodiment, the top of the connecting rod 21 is fixedly connected to the fixing plate 25, which is fixedly connected to the right side of the occlusal pad 22. The rear end of the fixing plate 25 is fixedly connected to the Z-shaped plate 23, and the top of the Z-shaped plate 23 is movably connected to the connecting block 24. The position of the imaging tube is accurately determined by the positioning ring 1. The positioning ring 1 and the card body 31 are connected by the connecting rod 21. The occlusal pad 22 is fixedly connected to the front end of the connecting rod 21. When taking pictures, the patient can place their teeth on the occlusal pad 22. The position is fixed by the protrusions at both ends of the occlusal pad 22, making it difficult for the teeth to slide. The front end of the occlusal pad 22 is provided with protrusions, and the protrusions are symmetrically distributed on both sides of the occlusal pad 22. The position is fixed by the protrusions at both ends of the occlusal pad 22, making it difficult for the teeth to slide.
[0024] Please see Figures 2-3 , Figure 5 In this embodiment, the disassembly assembly includes a card reader body 31, which is fixedly connected to the top of the connecting block 24. A curved plate 35 is fixedly connected to the top of the connecting block 24, and the card reader body 31 is fixedly connected inside the curved plate 35. A third latch 36 is fixedly connected to the top of the curved plate 35, and a first latch 32 is fixedly connected to the top of the card reader body 31. A rubber sleeve 33 is movably connected inside the first latch 32. A second latch 34 is fixedly connected to the bottom of the connecting block 24 and is latched inside the Z-shaped plate 23. The X-ray imaging device is fixed inside the card reader body 31 by the two third latches 36 and the first latch 32, and the two second latches 34 are engaged inside the Z-shaped plate 23 to prevent the card reader body 31 from shifting position and improve stability. Two third latches 36 are provided, symmetrically distributed on the top of the curved plate 35. Three rubber sleeves 33 are provided, symmetrically distributed inside the third latches 36 and the first latches 32. The rubber sleeves 33 protect the X-ray imaging device, cushion the device, and prevent damage. Two second latches 34 are provided, symmetrically distributed on the connecting block 24. The Z-shaped plate 23 has grooves at corresponding positions of the two second latches 34. The second latches 34 move in the grooves. By moving the two second latches 34, the card reader body 31 can be quickly removed from the Z-shaped plate 23 for easy replacement and improved efficiency. The two second latches 34 are engaged inside the Z-shaped plate 23 to prevent the position of the card reader body 31 from shifting, thus improving stability.
[0025] During the procedure, the X-ray film is held in place by a card holder and the tooth is positioned for imaging. A connecting rod 21 connects the inside of the mouth to the outside. The patient is instructed to place their teeth on the occlusal pad 22. The X-ray tube is moved into the positioning ring 1, and the patient is instructed to remain still while the image is taken. The positioning ring 1 accurately determines the position of the tube. The connecting rod 21 connects the positioning ring 1 to the card holder body 31. The occlusal pad 22 is fixedly connected to the front end of the connecting rod 21. During imaging, the patient can place their teeth on the occlusal pad 22, which is secured in place by protrusions at both ends to prevent slippage. The X-ray imaging device is fixed inside the card unit body 31 by two third clips 36 and a first clip 32. A rubber sleeve 33 protects the X-ray imaging device, cushions the device, and prevents damage. A slot is provided at the corresponding position of the second clip 34 by the Z-shaped plate 23. By moving the two second clips 34, the card unit body 31 can be quickly removed from the Z-shaped plate 23 for easy replacement and improved efficiency. The two second clips 34 are engaged inside the Z-shaped plate 23 to prevent the card unit body 31 from shifting position and improve stability.
[0026] Through the above steps, the position of the imaging tube is accurately determined by the positioning ring 1. The positioning ring 1 and the card holder body 31 are connected by the connecting rod 21. The occlusal pad 22 is fixedly connected to the front end of the connecting rod 21. During imaging, the patient can place the teeth on the occlusal pad. The position is fixed by the protrusions at both ends of the occlusal pad 22, making it less prone to slippage. This solves the problems of the occlusal pad 22 being unable to clearly and accurately capture images, which can affect the imaging progress and patient experience. The large size of the occlusal pad makes it less practical for children, and the comfort level is moderate.
Claims
1. An X-ray film positioner, comprising a positioning ring (1) and an O-ring (4), characterized in that: It also includes a connecting rod (21), a biting pad (22) and a disassembly assembly. An O-ring (4) is fixedly connected inside the positioning ring (1). A disassembly assembly is provided on the top of the positioning ring (1). A connecting rod (21) is fixedly connected to the top of the O-ring (4). A biting pad (22) is fixedly connected to the end of the connecting rod (21) away from the O-ring (4). The biting pad (22) is supported by the connecting rod (21).
2. The X-ray film positioner according to claim 1, characterized in that: The connecting rod (21) has five through slots inside, and the five through slots are evenly distributed inside the connecting rod (21).
3. An X-ray film positioner according to claim 1, characterized in that: The top of the connecting rod (21) is fixedly connected to the fixing plate (25), the fixing plate (25) is fixedly connected to the right side of the biting pad (22), the rear end of the fixing plate (25) is fixedly connected to the Z-shaped plate (23), and the top of the Z-shaped plate (23) is movably connected to the connecting block (24).
4. An X-ray film positioner according to claim 3, characterized in that: The front end of the occlusal pad (22) is provided with protrusions, and the protrusions are symmetrically distributed on both sides of the occlusal pad (22).
5. An X-ray film positioner according to claim 3, characterized in that: The disassembly assembly includes a card reader body (31), which is fixedly connected to the top of the connecting block (24). A curved plate (35) is fixedly connected to the top of the connecting block (24). The card reader body (31) is fixedly connected inside the curved plate (35). A third buckle (36) is fixedly connected to the top of the curved plate (35). A first buckle (32) is fixedly connected to the top of the card reader body (31). A rubber sleeve (33) is movably connected inside the first buckle (32). A second buckle (34) is fixedly connected to the bottom of the connecting block (24). The second buckle (34) is snapped into the inside of the Z-shaped plate (23).
6. An X-ray film positioner according to claim 5, characterized in that: There are two third buckles (36), which are symmetrically distributed on the top of the bent plate (35). There are three rubber sleeves (33), which are symmetrically distributed inside the third buckle (36) and the first buckle (32).
7. An X-ray film positioner according to claim 5, characterized in that: There are two second buckles (34), which are symmetrically distributed on the connecting block (24). The Z-shaped plate (23) has grooves at the corresponding positions of the two second buckles (34), and the second buckles (34) move in the grooves.