阅读说明：本技术 一种颞下颌关节投照定位的模具 (Temporomandibular joint projection positioning die ) 是由 胥欣 于 2020-12-15 设计创作，主要内容包括：本发明涉及口腔投照辅助用具技术领域,尤其为一种颞下颌关节投照定位的模具,包括盒体,所述盒体的上方设置有支撑板,且支撑板的左侧与盒体之间铰接,所述盒体的内部设置有驱动结构,所述驱动结构的上方设置有第一螺纹杆,所述第一螺纹杆的顶部套设有支撑管；本发明通过支撑板、驱动结构、支撑管、传动结构、固定板、下牙套、上牙套和固定结构的设置,具有可以对患者的头部进行手动固定,防止患者在投照时发生移动,提高投照的效果,方便医生进行诊断工作的优点,解决了现有的投照定位装置不方便对患者的头部进行固定,导致在拍摄过程中患者头部发生旋转或者偏移时,拍摄出的CT片效果较差,不方便进行诊断工作的问题。(The invention relates to the technical field of auxiliary tools for oral cavity projection, in particular to a temporomandibular joint projection positioning die which comprises a box body, wherein a supporting plate is arranged above the box body, the left side of the supporting plate is hinged with the box body, a driving structure is arranged inside the box body, a first threaded rod is arranged above the driving structure, and a supporting tube is sleeved at the top of the first threaded rod; according to the invention, through the arrangement of the supporting plate, the driving structure, the supporting tube, the transmission structure, the fixing plate, the lower tooth socket, the upper tooth socket and the fixing structure, the head of a patient can be manually fixed, the movement of the patient during projection is prevented, the projection effect is improved, the diagnosis work by a doctor is facilitated, and the problems that the existing projection positioning device is inconvenient to fix the head of the patient, the effect of a shot CT (computed tomography) film is poor and the diagnosis work is inconvenient to carry out when the head of the patient rotates or deviates in the shooting process are solved.)

1. The utility model provides a mould of temporomandibular joint projection location, includes box body (1), its characterized in that: the box is characterized in that a supporting plate (2) is arranged above the box body (1), the left side of the supporting plate (2) is hinged to the box body (1), a driving structure (3) is arranged inside the box body (1), a first threaded rod (4) is arranged above the driving structure (3), a supporting tube (5) is sleeved at the top of the first threaded rod (4), the supporting tube (5) is in threaded connection with the first threaded rod (4), the top end of the supporting tube (5) penetrates through the box body (1) and extends to the outside of the box body (1), a transmission structure (6) is arranged on the right side of the inner wall of the supporting plate (2), a through groove (7) is formed in the right side of the top of the supporting plate (2), a connecting rod (8) is arranged above the transmission structure (6), the connecting rod (8) is in sliding connection with the inner wall of the through groove (7), and a fixing plate (9) is arranged at, and the bottom and connecting rod (8) bolt joint of fixed plate (9), the right side of box body (1) is provided with washs box (10), and the inside of wasing box (10) is provided with the antiseptic solution, rotatory oar (11) are installed to the bottom of wasing box (10) inner wall, the top of wasing box (10) has been placed and has been leaked net (12), tooth socket (13) down has been placed to the inside of leaking net (12), the top of tooth socket (13) articulates down has last tooth socket (14), go up tooth socket (14) and have seted up spout (15) with lower tooth socket (13) one side in opposite directions, it has activity box (16) to go up equal sliding connection in the front and back of tooth socket (13) one side in opposite directions down, the inside of activity box (16) is provided with fixed knot structure (17).

2. The temporomandibular joint projection positioning mold of claim 1, wherein: drive structure (3) include motor (31), conical gear (32) and toothed disc (33), the inside at box body (1) is installed in motor (31), the output shaft fixed connection of conical gear (32) and motor (31), toothed disc (33) rotate to be connected in the bottom of box body (1) inner wall, and mesh between toothed disc (33) and conical gear (32), the top and first threaded rod (4) fixed connection of toothed disc (33).

3. The temporomandibular joint projection positioning mold of claim 1, wherein: the transmission structure (6) comprises a second threaded rod (61), a threaded sleeve (62) and a rocker (63), the second threaded rod (61) is rotatably connected to the right side of the inner wall of the supporting plate (2), the threaded sleeve (62) is in threaded connection with the surface of the second threaded rod (61), the rocker (63) is fixedly connected with the front end of the second threaded rod (61), and the front end of the rocker (63) penetrates through the supporting plate (2) and extends to the outside of the supporting plate (2).

4. The temporomandibular joint projection positioning mold of claim 3, wherein: the thread directions of the front side and the rear side of the surface of the second threaded rod (61) are opposite, the number of the thread sleeves (62) is two, the thread sleeves are respectively arranged on the front side and the rear side of the surface of the second threaded rod (61), and the top of each thread sleeve (62) is fixedly connected with the connecting rod (8).

5. The temporomandibular joint projection positioning mold of claim 3, wherein: the bottom of the threaded sleeve (62) is bolted with a limiting rod (20), the right side of the bottom of the inner wall of the support plate (2) is provided with a limiting groove (21), the bottom end of the limiting rod (20) extends into the limiting groove (21) and is bolted with a limiting block (22), and the limiting block (22) is connected with the inner wall of the limiting groove (21) in a sliding mode.

6. The temporomandibular joint projection positioning mold of claim 1, wherein: fixed knot constructs (17) and includes dead lever (171), spring (172) and circular slot (173), dead lever (171) sliding connection is in the inside upper and lower both sides of activity box (16), spring (172) fixed connection is passed through with the inside opposite side of wall of activity box (16) in dead lever (171), the inner wall at spout (15) is seted up in circular slot (173).

7. The temporomandibular joint projection positioning mold of claim 6, wherein: the quantity of circular slot (173) is a plurality of, and circular slot (173) evenly sets up the left side at spout (15) inner wall, one side that activity box (16) was kept away from in dead lever (171) is circular-arc, and sliding connection between dead lever (171) and circular slot (173).

8. The temporomandibular joint projection positioning mold of claim 1, wherein: the bottom of the supporting plate (2) is provided with a groove (18), a sliding block (19) is connected inside the groove (18) in a sliding mode, and the bottom end of the sliding block (19) is hinged to the supporting pipe (5).

9. The temporomandibular joint projection positioning mold of claim 1, wherein: fixed plate (9) one side in opposite directions is the semicircle arcuation setting, and its inboard bonding has cushion (23), cushion (23) comprise two-layer, and its inboard is made by the sponge material, and the outside is made by the rubber material.

10. The temporomandibular joint projection positioning mold of claim 1, wherein: the spout (15) are the setting of U type, the inner wall of spout (15) is from right to left side and is crescent.

Technical Field

The invention relates to the technical field of auxiliary tools for oral cavity projection, in particular to a temporomandibular joint projection positioning die.

Background

The temporomandibular joint is also known as the temporomandibular joint or the mandibular joint. Consists of a mandibular head, a temporomandibular fossa and a joint nodule, which are combined into a joint on the left and the right to carry out opening, closing and chewing movements. The joint capsule is loose and reinforced by the medial and lateral ligaments. The articular disc in the capsule is oval and is composed of fibrocartilage, and is divided into an anterior part, a middle part and a posterior part. The upper surface is saddle-shaped, is concave in front and convex in back and corresponds to the convex-concave contours of the articular nodule and the mandibular fossa; the lower concavity is opposite to the mandible, the periphery is connected with the joint capsule, and the front edge is connected with the extrapterous muscle tendon passing through the joint capsule. The articular disc divides the articular cavity into upper and lower halves. The joint is externally provided with a sphenoid mandibular ligament (sphenoid spine to mandibular uvula) and a styloid mandibular ligament (styloid process to mandibular angle) for reinforcement.

Temporomandibular joint disease is the common disease of department of stomatology, in order to diagnose the etiology accurately, generally need to shoot CT piece to patient's temporomandibular joint, make things convenient for doctor's follow-up medical treatment work, but current projection positioner is inconvenient to be fixed to patient's head, when leading to taking in-process patient head emergence rotation or skew, the CT piece effect of shooing is relatively poor, inconvenient diagnosis work of carrying out, we propose one kind for this reason and can carry out manual fixing to patient's head, prevent that the patient from taking place to remove when throwing, improve the effect of throwing, make things convenient for the projection positioning die that the doctor carried out diagnosis work to solve this problem.

Disclosure of Invention

The invention aims to provide a temporomandibular joint projection positioning die, which has the advantages of manually fixing the head of a patient, preventing the patient from moving during projection, improving the projection effect and facilitating diagnosis work of doctors, and solves the problems that the existing projection positioning device is inconvenient to fix the head of the patient, so that the effect of a shot CT (computed tomography) film is poor and the diagnosis work is inconvenient when the head of the patient rotates or deviates in the shooting process.

In order to achieve the purpose, the invention provides the following technical scheme: a temporomandibular joint projection positioning die comprises a box body, wherein a supporting plate is arranged above the box body, the left side of the supporting plate is hinged with the box body, a driving structure is arranged inside the box body, a first threaded rod is arranged above the driving structure, a supporting tube is sleeved at the top of the first threaded rod, the supporting tube is in threaded connection with the first threaded rod, the top end of the supporting tube penetrates through the box body and extends to the outside of the box body, a transmission structure is arranged on the right side of the inner wall of the supporting plate, a through groove is formed in the right side of the top of the supporting plate, a connecting rod is arranged above the transmission structure and is in sliding connection with the inner wall of the through groove, a fixing plate is connected to the front and back of the right side of the top of the supporting plate in a sliding mode, the bottom of the fixing plate is in bolted connection, the utility model discloses a tooth socket, including wash box, tooth socket, rotatory oar, upper dental brace, lower.

Preferably, the drive structure includes motor, bevel gear and toothed disc, the motor is installed in the inside of box body, the output shaft fixed connection of bevel gear and motor, the toothed disc rotates the bottom of connecting at the box body inner wall, and meshes between toothed disc and the bevel gear, the top and the first threaded rod fixed connection of toothed disc.

Preferably, the transmission structure comprises a second threaded rod, a threaded sleeve and a rocker, the second threaded rod is rotatably connected to the right side of the inner wall of the support plate, the threaded sleeve is in threaded connection with the surface of the second threaded rod, the rocker is fixedly connected with the front end of the second threaded rod, and the front end of the rocker penetrates through the support plate and extends to the outside of the support plate.

Preferably, the screw thread directions of the front side and the rear side of the surface of the second threaded rod are opposite, the number of the threaded sleeves is two, the threaded sleeves are respectively arranged on the front side and the rear side of the surface of the second threaded rod, and the top of each threaded sleeve is fixedly connected with the connecting rod.

Preferably, the bottom of the threaded sleeve is bolted with a limiting rod, the right side of the bottom of the inner wall of the support plate is provided with a limiting groove, the bottom end of the limiting rod extends into the limiting groove and is bolted with a limiting block, and the limiting block is connected with the inner wall of the limiting groove in a sliding mode.

Preferably, the fixed knot constructs including dead lever, spring and circular slot, dead lever sliding connection is in the inside upper and lower both sides of activity box, the dead lever passes through spring fixed connection with the inside opposite side of wall of activity box, the circular slot is seted up at the inner wall of spout.

Preferably, the quantity of circular slot is a plurality of, and the circular slot evenly sets up the left side at the spout inner wall, one side that the activity box was kept away from to the dead lever is circular-arc, and sliding connection between dead lever and the circular slot.

Preferably, the bottom of the supporting plate is provided with a groove, a sliding block is connected inside the groove in a sliding manner, and the bottom end of the sliding block is hinged with the supporting tube.

Preferably, one side of the fixing plate in opposite directions is in a semicircular arc shape, a soft cushion is bonded on the inner side of the fixing plate, the soft cushion is composed of two layers, the inner side of the soft cushion is made of sponge materials, and the outer side of the soft cushion is made of rubber materials.

Preferably, the spout is the U type setting, the inner wall of spout is from right to left side and is crescent.

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

according to the invention, through the arrangement of the supporting plate, the driving structure, the supporting tube, the transmission structure, the fixing plate, the lower tooth socket, the upper tooth socket and the fixing structure, the head of a patient can be manually fixed, the movement of the patient during projection is prevented, the projection effect is improved, the diagnosis work by a doctor is facilitated, and the problems that the existing projection positioning device is inconvenient to fix the head of the patient, the effect of a shot CT (computed tomography) film is poor and the diagnosis work is inconvenient to carry out when the head of the patient rotates or deviates in the shooting process are solved.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present invention;

FIG. 2 is a right side cross-sectional view of the support plate of the present invention;

FIG. 3 is a perspective view of a fixation plate of the present invention;

FIG. 4 is a perspective view of the lower shell of the present invention;

FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 1;

fig. 6 is a partial enlarged view of the invention at B in fig. 2.

In the figure: 1. a box body; 2. a support plate; 3. a drive structure; 31. a motor; 32. a bevel gear; 33. a gear plate; 4. a first threaded rod; 5. supporting a tube; 6. a transmission structure; 61. a second threaded rod; 62. a threaded sleeve; 63. a rocker; 7. a through groove; 8. a connecting rod; 9. a fixing plate; 10. cleaning the box; 11. rotating the paddle; 12. a leakage net; 13. a lower tooth socket; 14. an upper tooth socket; 15. a chute; 16. a movable box; 17. a fixed structure; 171. fixing the rod; 172. a spring; 173. a circular groove; 18. a groove; 19. a slider; 20. a limiting rod; 21. a limiting groove; 22. a limiting block; 23. a soft cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a temporomandibular joint projection positioning mold comprises a box body 1, a support plate 2 is arranged above the box body 1, the left side of the support plate 2 is hinged with the box body 1, a driving structure 3 is arranged inside the box body 1, a first threaded rod 4 is arranged above the driving structure 3, a support tube 5 is sleeved at the top of the first threaded rod 4, the support tube 5 is in threaded connection with the first threaded rod 4, the top end of the support tube 5 penetrates through the box body 1 and extends to the outside of the box body 1, a transmission structure 6 is arranged on the right side of the inner wall of the support plate 2, a through groove 7 is arranged on the right side of the top of the support plate 2, a connecting rod 8 is arranged above the transmission structure 6, the connecting rod 8 is in sliding connection with the inner wall of the through groove 7, a fixing plate 9 is connected with the front and rear side, the right side of the box body 1 is provided with a cleaning box 10, disinfectant is arranged inside the cleaning box 10, the bottom of the inner wall of the cleaning box 10 is provided with a rotating paddle 11, a leakage net 12 is placed above the cleaning box 10, a lower tooth socket 13 is placed inside the leakage net 12, an upper tooth socket 14 is hinged above the lower tooth socket 13, one side of the upper tooth socket 14 opposite to the lower tooth socket 13 is provided with a sliding groove 15, the front and the back of one side of the upper tooth socket 14 opposite to the lower tooth socket 13 are both connected with a movable box 16 in a sliding way, and a fixed structure 17 is arranged inside the movable box 16. the invention has the advantages that the head of a patient can be manually fixed by arranging a supporting plate 2, a driving structure 3, a supporting tube 5, a transmission structure 6, a fixed plate 9, the lower tooth socket 13, the upper tooth socket 14 and the fixed structure 17, the movement of the patient during the projection is prevented, the projection effect is improved, and, the problem of current throw photograph positioner inconvenient fix patient's head, when leading to taking the in-process patient head to take place to rotate or shift, the CT piece effect of shooing is relatively poor, inconvenient diagnosis work is carried out is solved.

In this embodiment, drive structure 3 includes motor 31, conical gear 32 and toothed disc 33, motor 31 installs the inside at box body 1, conical gear 32 and motor 31's output shaft fixed connection, toothed disc 33 rotates the bottom of connecting at box body 1 inner wall, and mesh between toothed disc 33 and the conical gear 32, the top and the 4 fixed connection of first threaded rod of toothed disc 33, through motor 31, conical gear 32 and toothed disc 33's setting, conveniently adjust the inclination of backup pad 2, adjust it to best shooting angle.

In this embodiment, the transmission structure 6 includes the second threaded rod 61, the thread bush 62 and the rocker 63, the second threaded rod 61 rotates to be connected on the right side of the inner wall of the support plate 2, the thread bush 62 is threaded on the surface of the second threaded rod 61, the rocker 63 is fixedly connected with the front end of the second threaded rod 61, and the front end of the rocker 63 runs through the support plate 2 and extends to the outside of the support plate 2, and through the arrangement of the second threaded rod 61, the thread bush 62 and the rocker 63, the fixing plate 9 can move in the left-right direction on the surface of the support plate 2.

In this embodiment, the front and rear sides of the surface of the second threaded rod 61 have opposite thread directions, the number of the thread sleeves 62 is two, the two thread sleeves are respectively arranged on the front and rear sides of the surface of the second threaded rod 61, the top of the thread sleeve 62 is fixedly connected with the connecting rod 8, and the thread sleeves 62 on the two sides can move in opposite directions or opposite directions by the arrangement of the second threaded rod 61 and the thread sleeves 62, so as to fix the head of the patient.

In this embodiment, the bottom bolt of thread bush 62 has spacing rod 20, and spacing groove 21 has been seted up on the right side of 2 inner wall bottoms of backup pad, and the bottom of spacing rod 20 extends to inside and the bolt of spacing groove 21 and has had spacing piece 22, and the inner wall sliding connection of spacing piece 22 and spacing groove 21 through setting up of spacing rod 20, spacing groove 21 and spacing piece 22, stability when improving the fixed plate 9 back-and-forth movement.

In this embodiment, the fixing structure 17 includes a fixing rod 171, a spring 172 and a circular groove 173, the fixing rod 171 is slidably connected to the upper and lower sides inside the movable box 16, the fixing rod 171 is fixedly connected to the opposite side of the inner wall of the movable box 16 through the spring 172, the circular groove 173 is formed in the inner wall of the sliding groove 15, and the fixing rod 171, the spring 172 and the sliding groove 15 are arranged to facilitate fixing the position of the movable box 16.

In this embodiment, the quantity of circular slot 173 is a plurality of, and circular slot 173 evenly sets up in the left side of spout 15 inner wall, and one side that activity box 16 was kept away from to dead lever 171 is circular-arcly, and sliding connection between dead lever 171 and the circular slot 173, through circular slot 173's setting, conveniently fixes activity box 16 in the position of difference.

In this embodiment, the bottom of the supporting plate 2 is provided with a groove 18, the inside of the groove 18 is slidably connected with a slider 19, the bottom end of the slider 19 is hinged with the supporting tube 5, and the moving track of the supporting tube 5 is limited by the arrangement of the groove 18 and the slider 19, so that the supporting tube can only move upwards.

In this embodiment, the opposite side of fixed plate 9 is the semicircle arcuation setting, and its inboard bonding has cushion 23, and cushion 23 comprises two-layer, and its inboard is made by the sponge material, and the outside is made by the rubber material, through cushion 23's setting, when fixed plate 9 is fixed to patient's head, effectively improves patient's comfort level.

In this embodiment, spout 15 is the setting of U type, and the inner wall of spout 15 is got up from right to left side gradually, through the setting of spout 15, when promoting movable box 16, can adjust the angle that opens and shuts in patient's oral cavity.

The working principle is as follows: when the temporomandibular joint of a patient needs to be irradiated, the patient lies the head on the support plate 2, then the motor 31 is started, the output shaft of the motor 31 drives the bevel gear 32 to rotate, the gear disc 33 drives the first threaded rod 4 to rotate along with the bevel gear, the support tube 5 moves upwards slowly, the inclination angle of the support plate 2 is adjusted, the motor 31 is closed after the support plate 2 is adjusted to the optimal irradiation angle, then the rocker 63 is rocked, the rocker 63 drives the second threaded rod 61 to rotate, the threaded sleeves 62 on the two sides move in opposite directions or opposite directions along with the rotation direction, the rotation direction of the second threaded rod 61 is controlled through the rocker 63, the fixing plates 9 on the two sides move towards the head of the patient, after the fixing plates 9 fix the head of the patient, the rocker 63 stops rotating and irradiates, then the rocker 63 is rocked again, and the fixing plates 9 relax the head of the patient, then the patient turns the head to the other side, and rocks the rocker 63 again to make the fixed plate 9 fix the head of the patient, the other side of the head is irradiated, after the irradiation is finished, the rotating paddle 11 is started, the rotating paddle 11 stirs the disinfectant in the cleaning box 10, the upper tooth socket 14 and the lower tooth socket 13 in the strainer 12 are disinfected and cleaned, after the cleaning is finished, the upper tooth socket 14 and the lower tooth socket 13 are taken out and placed in the oral cavity of the patient, then the movable boxes 16 at the two sides are pushed to the deep part of the oral cavity, the fixed rod 171 extrudes the spring 172, after the fixed rod 171 moves to the circular groove 173, the spring 172 rebounds, the fixed rod 171 is pushed to the circular groove 173 to complete the adjustment of the opening and closing angle of the oral cavity of the patient, then the irradiation operation is carried out to the patient, then the rocker 63 is rocked to make the fixed plate 9 relax the head of the patient, then the patient turns the head to the original irradiation side, then the rocking bar 63 is rocked again to fix the head of the patient by the fixing plate 9, and then the projection operation is performed, so that the projection work of the temporomandibular joint of the patient is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.