Medical full mouth gag

Abstract

The invention discloses a medical full mouth gag, which relates to the technical field of medical equipment and comprises a frame, a tongue depressor and a rotary locking mechanism, the frame is provided with a first cross rod and a second cross rod which are parallel to each other, the second cross rod is located below the first cross rod, and an opening channel is formed between the first cross rod and the second cross rod; at least one upper tooth clamping hook is arranged on the first cross rod, and at least one lower tooth clamping hook is arranged on the second cross rod; a rotating rod is fixedly arranged at one end of the tongue depressor; a rotating through hole is formed in the second cross rod; the rotating rod is rotatably arranged in the rotating through hole around the axis of the rotating through hole; the rotating locking mechanism is provided with a locking end, and the locking end can limit rotation of the rotating rod in the rotating penetrating hole. The tongue of a patient can be flexibly fixed at different positions in the oral cavity, and more sufficient operation space is provided for a doctor.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, in particular to a medical full-mouth opening device. Background Art

[0002] A full mouth opener is an auxiliary device for opening the mouth, primarily used to hold the patient's upper and lower jaws open during oral surgery. Its primary function is to maintain the mouth open, allowing the doctor to observe various parts of the mouth, including the teeth, gums, oral mucosa, and throat. During oral surgeries such as tooth extractions, dental implants, and oral tumor resections, a full mouth opener provides ample operating space, allowing the doctor to use various instruments.

[0003] The tongue depressor on the existing full-mouth opener can generally only press down the patient's tongue, which greatly limits its flexibility and functionality in actual use. During oral surgery, it is difficult for doctors to flexibly adjust the angle of the tongue depressor according to the individual oral structure differences and lesion location of the patient, resulting in certain key parts deep in the mouth cannot be fully exposed, making it inconvenient for doctors to perform more convenient operations on the lesion area.

[0004] Therefore, there is an urgent need for a medical full-mouth opener that can flexibly fix the patient's tongue at different positions in the oral cavity to facilitate doctors to perform corresponding operations. Summary of the Invention

[0005] The purpose of the present invention is to provide a medical full-mouth opener to solve the problems existing in the above-mentioned prior art, which can flexibly fix the patient's tongue at different positions in the oral cavity and provide doctors with more sufficient operating space.

[0006] To achieve the above object, the present invention provides the following solutions:

[0007] The present invention provides a medical full-mouth opener, comprising a frame, a tongue depressor and a rotation locking mechanism; the frame has two mutually parallel first and second cross bars, the second cross bar is located below the first cross bar, and an opening channel is formed between the first and second cross bars; at least one upper tooth hook is provided on the first cross bar, and at least one lower tooth hook is provided on the second cross bar; a rotating rod is fixedly provided at one end of the tongue depressor; a rotating through hole is provided on the second cross bar; the rotating rod is rotatably provided in the rotating through hole around the axis of the rotating through hole; the rotation locking mechanism has a locking end, and the locking end can limit the rotation of the rotating rod in the rotating through hole.

[0008] Preferably, the end of the first cross bar is connected to the end of the second cross bar through a screw; the end of the first cross bar is provided with a through internal threaded hole, the end of the second cross bar is provided with a through adjustment through hole, the screw is rotatably arranged in the adjustment through hole through a bearing, and the screw is threadedly connected in the internal threaded hole; or, the end of the first cross bar is provided with a rotation groove, the opening of the rotation groove faces the second cross bar, the end of the second cross bar is provided with a through internal threaded hole, the screw is threadedly connected in the internal threaded hole, and the end of the screw close to the first cross bar is rotatably arranged in the rotation groove through a bearing.

[0009] Preferably, an instrument auxiliary mechanism is provided on the first cross bar; the instrument auxiliary mechanism includes a fixed rod and a swing rod; one end of the fixed rod can be fixed on the first cross bar, and the other end of the fixed rod is rotatably connected to one end of the swing rod with the center of the sphere as the rotation point, and the other end of the swing rod is provided with a penetrating auxiliary hole; after rotating the swing rod, the swing rod can maintain the rotated posture relative to the fixed rod.

[0010] 18. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod having a first end and a second end, and said bolt has a round shank to contact with said linking rod.

[0011] Preferably, at least one anti-detachment hook is fixedly provided on both sides of the tongue depressor, and the anti-detachment directions of the anti-detachment hooks are the same.

[0012] Preferably, a sliding frame is fixedly provided at one end of the fixed rod away from the swing rod, and the sliding frame is slidably set on the first cross bar; a penetrating limiting screw hole is opened on the sliding frame, and a limiting bolt is connected to the inner thread of the limiting screw hole, and the threaded end of the limiting bolt can pass through the limiting screw hole and abut against the outer wall of the first cross bar.

[0013] Preferably, an adjustment knob is fixedly provided on the end of the screw rod located on the side of the second cross bar away from the first cross bar.

[0014] Preferably, the middle portion of the tongue depressor has an accommodating groove.

[0015] Preferably, a hemispherical body is fixedly provided on one end of the fixing rod close to the swing rod, and a hemispherical groove is provided on one end of the swing rod away from the auxiliary hole, and the hemispherical body is interference fit with the hemispherical groove.

[0016] Preferably, a compression spring is sleeved on the rotating rod between the locking sprocket and the locking knob; one end of the compression spring abuts against the side of the locking sprocket close to the locking knob, and the other end of the compression spring abuts against the side of the locking knob close to the locking sprocket.

[0017] Compared with the prior art, the present invention has achieved the following technical effects:

[0018] The medical full-mouth opener provided by the present invention adopts a tongue depressor that can be flexibly rotated around a rotating perforation. This design allows the tongue depressor to be flexibly adjusted in angle and position as needed, so as to restrict the patient's tongue to different required positions such as the lower part or both sides of the oral cavity, so as to better expose the patient's oral internal structure and facilitate the doctor's observation and corresponding surgical operation; the rotation locking mechanism can keep the tongue depressor in the adjusted position and prevent the tongue depressor from rotating due to accidental touch or slight movement of the patient during operation, thereby ensuring stable exposure of the oral internal structure during operation, which is conducive to improving the accuracy and success rate of the operation and reducing the risk of accidents. The tongue depressor may cause harm to the patient due to position changes; the upper tooth hook on the first cross bar and the lower tooth hook on the second cross bar can hook the patient's upper and lower teeth respectively. This design can better fix the position of the mouth opener through the cooperation between the tooth hook and the teeth when the mouth is opened, and prevent it from sliding or shifting during use, thereby ensuring the stability of the opening effect, which is conducive to the doctor's concentration on the operation and improving the accuracy and safety of the operation; the opening channel formed between the first cross bar and the second cross bar clarifies the range and direction of the opening, which is convenient for the doctor to operate and can accurately insert the instrument into the oral cavity for corresponding examination or treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1A schematic diagram of the overall structure of the medical full-mouth opening device provided by the present invention;

[0021] Figure 2 A schematic structural diagram of the medical full-mouth opening device provided by the present invention from another perspective;

[0022] Figure 3 An exploded view of the specific structure of a rotation locking mechanism and a tongue depressor in the medical full mouth opener provided by the present invention;

[0023] Figure 4 for Figure 3 Schematic diagram of the cross-section of the structure in the assembled state.

[0024] In the picture:

[0025] 10-first crossbar; 11-upper tooth hook; 12-sliding frame; 121-limiting bolt; 13-fixing rod; 131-hemispherical body; 14-swinging rod; 141-auxiliary hole; 142-hemispherical groove;

[0026] 20 - second crossbar; 21 - lower tooth hook; 22 - handle; 23 - bracket plate; 231 - rotation perforation;

[0027] 30-screw; 31-rotation slot; 32-internal threaded hole; 33-adjustment knob; 34-hook rod; 35-locking knob;

[0028] 40-tongue depressor; 41-anti-unhooking; 42-accommodating groove; 43-prismatic rod; 44-round rod;

[0029] 50 - fixed tooth disc; 501 - convex tooth; 502 - first through hole; 51 - locking tooth disc; 511 - tooth groove; 512 - rotation limiting hole; 52 - locking knob. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] The purpose of the present invention is to provide a medical full-mouth opener to solve the problems existing in the prior art, which can flexibly fix the patient's tongue in different positions in the oral cavity and provide doctors with more sufficient operating space.

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] Example 1

[0034] This embodiment provides a medical full-mouth opening device, such as Figures 1 to 4 As shown, it includes a frame, a tongue depressor 40 and a rotation locking mechanism; the frame has two parallel first cross bars 10 and second cross bars 20, the second cross bar 20 is located below the first cross bar 10, and an open channel is formed between the first cross bar 10 and the second cross bar 20; at least one upper tooth hook 11 is provided on the first cross bar 10, and at least one lower tooth hook 21 is provided on the second cross bar 20; a rotating rod is fixedly provided at one end of the tongue depressor 40; a rotating through hole 231 is provided on the second cross bar 20; the rotating rod is rotatably provided in the rotating through hole 231 around the axis of the rotating through hole 231; the rotation locking mechanism has a locking end, which can limit the rotation of the rotating rod in the rotating through hole 231.

[0035] By adopting the setting that the tongue depressor 40 can be flexibly rotated around the rotating perforation 231, this design allows the tongue depressor 40 to be flexibly adjusted in angle and position as needed, so as to restrict the patient's tongue to different required positions such as the lower part or both sides of the mouth, so as to better expose the patient's oral internal structure and facilitate the doctor to observe and perform corresponding surgical operations; the rotation locking mechanism can keep the tongue depressor 40 in the adjusted position and prevent the tongue depressor 40 from rotating due to accidental touch or slight movement of the patient during operation, thereby ensuring the stable exposure of the oral internal structure during operation, which is conducive to improving the accuracy and success rate of the operation and reducing the risk of accidental rotation of the tongue depressor 40. The upper tooth hook 11 on the first cross bar 10 and the lower tooth hook 21 on the second cross bar 20 can hook the upper and lower teeth of the patient respectively. Such a design can better fix the position of the mouth opener through the cooperation between the tooth hook and the teeth when the mouth is opened, and prevent it from sliding or shifting during use, thereby ensuring the stability of the opening effect, which is conducive to the doctor's concentration on the operation and improving the accuracy and safety of the operation; the opening channel formed between the first cross bar 10 and the second cross bar 20 clarifies the range and direction of the opening, which is convenient for the doctor to operate and can accurately insert the instrument into the oral cavity for corresponding examination or treatment.

[0036] Among them, the relevant structural settings of the framework are as follows:

[0037] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2As shown, the end of the first cross bar 10 is connected to the end of the second cross bar 20 through a screw 30; the end of the first cross bar 10 is provided with a through internal threaded hole 32, and the end of the second cross bar 20 is provided with a through adjustment through hole, the screw 30 is rotatably set in the adjustment through hole through a bearing, and the screw 30 is threadedly connected in the internal threaded hole 32; or, the end of the first cross bar 10 is provided with a rotation groove 31, the opening of the rotation groove 31 faces the second cross bar 20, the end of the second cross bar 20 is provided with a through internal threaded hole 32, the screw 30 is threadedly connected in the internal threaded hole 32, and the end of the screw 30 close to the first cross bar 10 is rotatably set in the rotation groove 31 through a bearing. Through the threaded connection between the screw 30 and the internal threaded hole 32, and the rotation setting of the screw 30 in the adjustment perforation or rotation groove 31, the relative position between the first cross bar 10 and the second cross bar 20 can be conveniently adjusted. This adjustment method can accurately adjust the opening size of the mouth opener according to the specific conditions of the patient's oral cavity and the needs of medical operations to provide the best operating space and field of view. When performing oral surgery or examination, the doctor can flexibly adjust the opening degree of the mouth opener according to the surgical site and the difficulty of the operation to ensure that the surgical instrument has more sufficient operating space in the patient's mouth; the use of bearings makes the screw 30 smoother when rotating, reduces friction and wear, and also improves the accuracy and stability of rotation.

[0038] Specifically, the above provides two structural composition methods for adjusting the distance between the first cross bar 10 and the second cross bar 20; preferably, the end of the screw 30 is arranged in the rotation groove 31 of the first cross bar 10 through a bearing. At this time, the excess part of the screw 30 is located outside the patient's lower jaw, and will not protrude from the upper end of the first cross bar 10 to cause contact damage to the patient's eyes. In this way, the excess part of the screw 30 is located in the area corresponding to the patient's neck, which reasonably utilizes the space in this area, and for the doctor, there is more operating space for screwing the adjustment knob 33 at the end of the screw 30.

[0039] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2As shown, the end of the screw 30 located on the side of the second crossbar 20 away from the first crossbar 10 is fixedly provided with an adjusting knob 33. By rotating the adjusting knob 33 to control the rotation of the screw 30, and then adjusting the distance between the first crossbar 10 and the second crossbar 20, a more accurate adjustment of the opening size can be achieved. The medical staff can rotate the adjusting knob 33 in a small and fine manner according to the specific needs of the operation or examination to achieve the desired opening degree, providing accurate space for fine operations in the oral cavity; the adjusting knob 33 is located on the outside of the mouth opener, and the medical staff does not need to operate in the patient's oral cavity or in a complex area near the oral cavity. It is more convenient to hold and rotate the adjusting knob 33 by hand to easily adjust the opening size of the mouth opener; for different medical staff, whether experienced doctors or novices, the adjusting knob 33 provides a simple and intuitive operation method to control the mouth opener. Even in an emergency, the opening size of the mouth opener can be quickly learned and accurately adjusted, thereby improving the ease of use and practicality of the medical full mouth opener.

[0040] Specifically, the first cross bar 10 and the second cross bar 20 are both bent toward the direction close to the patient's face so as to fit the patient's face better.

[0041] Specifically, a handle 22 is fixedly provided at the middle portion of the second crossbar 20 .

[0042] Specifically, a bracket plate 23 is fixed on the second crossbar 20 , and a rotation through hole 231 is formed on the bracket plate 23 .

[0043] Specifically, the first cross bar 10 has two upper tooth hooks 11, and the second cross bar 20 has two lower tooth hooks 21; the upper tooth hooks 11 can slide left and right on the first cross bar 10 (left and right here refers to the direction from the screw 30 on one side to the screw 30 on the other side), and the lower tooth hooks 21 can slide left and right on the second cross bar 20 (the left and right sliding is explained above).

[0044] Specifically, the upper engaging tooth hook 11 and the lower engaging tooth hook 21 are both existing structures and will not be described in detail here.

[0045] Among them, the relevant structural setting description of the tongue depressor 40 is as follows:

[0046] Among the optional solutions of this embodiment, it is more preferred that Figures 1 to 4As shown, at least one anti-detachment hook 41 is fixedly installed on both sides of the tongue depressor 40, and each anti-detachment hook 41 has the same anti-detachment direction. When using a medical full-mouth opener, the tongue depressor 40 needs to maintain a stable position to effectively restrain the patient's tongue and provide a clear field of view and operating space for oral examination or surgery. The provision of the anti-detachment hook 41 can reduce the risk of the patient's tongue detaching from both sides of the tongue depressor 40, ensuring that the tongue depressor 40 can continue to function; the anti-detachment hooks 41 have the same anti-detachment direction, so that the installation and use of the tongue depressor 40 have clear direction and standardization.

[0047] Specifically, three anti-detachment hooks 41 are fixedly provided on both sides of the tongue depressor 40 .

[0048] Specifically, to ensure the safety of the patient's oral cavity, the tongue depressor 40 and the anti-detachment hooks 41 located in the patient's oral cavity have no sharp parts, which can be achieved by chamfering and rounding their edges.

[0049] Among the optional solutions of this embodiment, it is more preferred that Figure 2 As shown, the tongue depressor 40 has a receiving groove 42 in the middle. The receiving groove 42 provides a specific placement space for the tongue, which can more effectively fix the tongue therein and prevent it from moving freely in the mouth, thereby providing a stable field of view and operating space for oral examinations, treatments, and other operations. The groove is designed to fit the shape of the tongue, reducing the pressure of the tongue from the tongue depressor 40.

[0050] Among them, the relevant structural setting description of the rotation locking mechanism:

[0051] Specifically, in addition to adopting the following structure, the rotation locking mechanism can also be any existing structure that can lock and fix the rotation position of the rotating rod on the tongue depressor 40. For example, the rotation locking mechanism can be a telescopic mechanism, and the telescopic mechanism has a telescopic limit rod that can be telescopic. The rotating rod of the tongue depressor 40 passes through the rotating through hole 231, and a plurality of limit holes are circumferentially arranged on the outer wall. The telescopic mechanism can be fixed on the frame, such as on the second cross bar 20, or on the handle 22. After the telescopic limit rod is extended, it can be inserted into a limit hole, thereby limiting the rotation of the rotating rod in the rotating through hole 231; at this time, the telescopic limit rod of the telescopic mechanism forms its locking end.

[0052] Specifically, the rotation locking mechanism may also only include a locking knob 52. After the rotating rod on the tongue depressor 40 passes through the rotating through hole 231, the external thread on its outer wall is threadedly connected to the internal thread of the locking knob 52. At this time, the relative position of the tongue depressor 40 is fixed by tightening the locking knob 52.

[0053] Among the optional solutions of this embodiment, it is more preferred that Figures 1 to 4As shown, the rotation locking mechanism includes a fixed toothed disc 50, a locking toothed disc 51 and a locking knob 52; the fixed toothed disc 50 is fixed on the second crossbar 20 (specifically fixed on the bracket plate 23), and the fixed toothed disc 50 and the tongue depressor 40 are respectively located on both sides of the second crossbar 20; the fixed toothed disc 50 has a first through hole 502 coaxial with the rotation through hole 231; a plurality of convex teeth 501 are fixedly provided on one side of the fixed toothed disc 50, and each convex tooth 501 is circumferentially distributed around the axis of the first through hole 502; the locking toothed disc 51 has a rotation limiting hole coaxial with the rotation through hole 231 512; and a plurality of tooth grooves 511 are provided on one side of the locking toothed disc 51, each tooth groove 511 being circumferentially distributed around the axis of the rotation-limiting hole 512; the tooth grooves 511 correspond one-to-one with the protruding teeth 501; a rotation-limiting surface is provided on the rotating rod, and the rotation-limiting surface corresponds to the rotation-limiting hole 512; when the rotation-limiting surface is located within the rotation-limiting hole 512, the rotating rod and the locking toothed disc 51 remain fixed relative to each other in the rotation direction around the axis of the rotation through-hole 231; and the rotating rod has a locking thread at the end away from the tongue depressor 40, and the screw hole of the locking knob 52 is threadedly connected to the locking thread. By cooperating with the corresponding protruding teeth 501 and tooth grooves 511 on the fixed toothed disc 50 and the locking toothed disc 51, when the rotation-limiting surface of the rotating rod corresponds to the rotation-limiting hole 512 of the locking toothed disc 51, the rotating rod and the locking toothed disc 51 remain fixed relative to each other in the rotation direction around the axis of the rotation through-hole 231, thereby accurately positioning the tongue depressor 40 at the desired angle and position.

[0054] Specifically, a tooth groove 511 may be formed between two adjacent protruding teeth 501 , and a protruding tooth 501 may be formed between two adjacent tooth grooves 511 .

[0055] Specifically, the adjustment angle of the tongue depressor 40 that can be achieved by each protruding tooth 501 in a single rotation can be set accordingly according to actual needs.

[0056] Specifically, when the fixed gear plate 50, the locking gear plate 51 and the locking knob 52 are used to realize the position locking of the rotating rod in the rotation direction, the rotating rod can be composed of a single type of rod or a combination of multiple types of rods:

[0057] For example, when the rotating rod is composed of a single type of rod:

[0058] Specifically, the rotating rod can be composed of a separate prismatic rod 43, one end of which is fixedly connected to the tongue depressor 40, and the cross-section of the prismatic rod 43 can be square, rectangular, rhombus, pentagonal, hexagonal, etc.; the outer wall of the prismatic rod 43 forms a rotation limiting surface, and a locking thread is processed on the outer wall of the prismatic rod 43; at this time, the rotating rod can rotate in the rotating through hole 231 and the first through hole 502 of the fixed gear disc 50, and the cross-sectional shape of the rotation limiting hole 512 of the locking gear disc 51 corresponds to the cross-sectional shape of the prismatic rod 43; the locking knob 52 is located on the side of the locking gear disc 51 away from the fixed gear disc 50, and the locking knob 52 is threadedly connected to the locking thread. As the locking knob 52 is tightened, it will push the locking gear disc 51 closer to the fixed gear disc 50, and the locking and maintenance of the posture of the tongue depressor 40 is achieved through the engagement of each tooth groove 511 with each convex tooth 501.

[0059] For example, when the rotating rod is composed of multiple types of rods:

[0060] Specifically, the rotating rod can be composed of a prismatic rod 43 and a round rod 44. One end of the prismatic rod 43 is fixedly connected to the tongue depressor 40. The outer wall of the prismatic rod 43 forms a rotation-limiting surface. The cross-section of the prismatic rod 43 can be square, rectangular, rhombus, pentagonal, hexagonal, etc. The round rod 44 is processed with a locking thread. At this time, the rotating rod can rotate in the rotating through hole 231 and the first through hole 502 of the fixed toothed disc 50. The cross-section of the rotation-limiting hole 512 of the locking toothed disc 51 is shaped like a circle. The shape corresponds to the cross-sectional shape of the prismatic rod 43; the locking knob 52 is located on the side of the locking toothed disc 51 away from the fixed toothed disc 50, and the locking knob 52 is threadedly connected to the locking thread; when the locking knob 52 is in a locking state with respect to the tongue depressor 40, the end of the prismatic rod 43 close to the round rod 44 passes through the rotating through hole 231 and the first through hole 502 in sequence, and is located in the rotation limiting hole 512, that is, at this time, the locking knob 52 is still threadedly connected to the locking thread on the round rod 44.

[0061] Alternatively, the rotating rod is composed of a prismatic rod 43 and a round rod 44 , and the fixed gear disc 50 , the locking gear disc 51 and the locking knob 52 are arranged as above, and a compression spring is added between the locking gear disc 51 and the locking knob 52 .

[0062] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2 As shown, a compression spring is sleeved on the rotating rod between the locking gear disc 51 and the locking knob 52; one end of the compression spring abuts against the side of the locking gear disc 51 close to the locking knob 52, and the other end of the compression spring abuts against the side of the locking knob 52 close to the locking gear disc 51.

[0063] At this time, the locking knob 52 abuts against one end of the compression spring, and the compression spring pushes the locking sprocket 51 to maintain the meshing and locking state with the fixed sprocket 50. At this time, the staff can hold the locking sprocket 51 by hand to move it in the direction away from the tongue depressor 40, and continue to compress the compression spring to disengage the locking sprocket 51 from the fixed sprocket 50. By rotating the locking sprocket 51 around the axis of the rotating rod and adjusting the posture of the tongue depressor 40, the staff can release the grip of the locking sprocket 51, so that the locking sprocket 51 can resume the meshing and locking state with the fixed sprocket 50 under the pressure of the compression spring.

[0064] Specifically, when a compression spring is provided, the connection between the prismatic rod 43 and the round rod 44 on the rotating rod is not limited to being within the limiting rotation hole 512, but can also extend a limiting rotation hole and be located within the position area corresponding to the compression spring.

[0065] Among them, about other related settings:

[0066] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2 As shown, an instrument-assisting mechanism is provided on the first crossbar 10; the instrument-assisting mechanism includes a fixed rod 13 and a swing rod 14. One end of the fixed rod 13 can be fixed to the first crossbar 10, and the other end of the fixed rod 13 is rotatably connected to one end of the swing rod 14 with the center of the sphere as the rotation point. The other end of the swing rod 14 is provided with an auxiliary hole 141 extending therethrough. After the swing rod 14 is rotated, the swing rod 14 can maintain its rotated position relative to the fixed rod 13. The fixed rod 13 and the swing rod 14 are rotatably connected with the center of the sphere as the rotation point, allowing the swing rod 14 to flexibly rotate in multiple directions. During oral medical procedures, the doctor can use the auxiliary hole 141 to provide more stable operating conditions for operating instruments according to actual needs, thereby improving the accuracy of medical procedures.

[0067] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2 As shown, a sliding frame 12 is fixedly mounted on the end of the fixed rod 13 away from the swing rod 14. The sliding frame 12 is slidably mounted on the first crossbar 10. A limiting screw hole is formed through the sliding frame 12, and a limiting bolt 121 is threadedly connected to the limiting screw hole. The threaded end of the limiting bolt 121 can pass through the limiting screw hole and abut against the outer wall of the first crossbar 10. The sliding frame 12 can slide on the first crossbar 10, allowing the fixed rod 13, the swing rod 14 connected thereto, and the instrument auxiliary mechanism to move along the length of the first crossbar 10. Medical personnel can flexibly adjust the position of the instrument auxiliary mechanism according to the specific condition of the patient's oral cavity and the actual needs of the surgery or examination, and accurately position it to the required location to better meet the requirements of different operating scenarios.

[0068] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2 As shown, a hemispherical body 131 is fixedly provided at one end of the fixed rod 13 close to the swing rod 14, and a hemispherical groove 142 is provided at one end of the swing rod 14 away from the auxiliary hole 141, and the hemispherical body 131 and the hemispherical groove 142 are interference fit. A hemispherical body 131 is fixedly provided at one end of the fixed rod 13 close to the swing rod 14, and a hemispherical groove 142 is provided at one end of the swing rod 14 away from the auxiliary hole 141, and the hemispherical body 131 and the hemispherical groove 142 are interference fit. This connection method allows the swing rod 14 to flexibly rotate at multiple angles with the center of the hemispherical body 131 as the rotation point. Medical staff can easily adjust the angle of the swing rod 14 according to actual operation needs, thereby adjusting the instruments installed on the auxiliary hole 141 of the swing rod 14 to the optimal position to better observe and operate different parts of the oral cavity.

[0069] Specifically, a hook rod 34 is provided on each of the two screw rods 30, and the hook rod 34 is fixed to the screw rod 30 through a locking knob 35. The hook rod 34 and the locking knob 35 are both existing structures, and their fixing method is also existing technology, which will not be described in detail here.

[0070] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A medical full mouth opener, characterized by: It includes a frame, a tongue depressor and a rotation locking mechanism; The frame has two mutually parallel first and second cross bars, the second cross bar is located below the first cross bar, and an open channel is formed between the first and second cross bars; the first cross bar is provided with at least one upper tooth hook, and the second cross bar is provided with at least one lower tooth hook; A rotating rod is fixedly provided at one end of the tongue depressor; a rotating through hole is provided on the second cross bar; the rotating rod is arranged in the rotating through hole and rotates around the axis of the rotating through hole; the rotation locking mechanism has a locking end, which can limit the rotation of the rotating rod in the rotating through hole.

2. The medical full-mouth opening device according to claim 1, characterized in that: The end of the first crossbar is connected to the end of the second crossbar via a screw; An internal threaded hole is provided at the end of the first crossbar, and an adjustment through-hole is provided at the end of the second crossbar. The screw is rotatably arranged in the adjustment through-hole through a bearing, and the screw is threadedly connected in the internal threaded hole. Alternatively, a rotation groove is provided at the end of the first cross bar, the opening of the rotation groove faces the second cross bar, and a penetrating internal threaded hole is provided at the end of the second cross bar, the screw is threadedly connected in the internal threaded hole, and the end of the screw close to the first cross bar is rotatably arranged in the rotation groove through a bearing.

3. The medical full-mouth opening device according to claim 1, characterized in that: An instrument auxiliary mechanism is provided on the first crossbar; The instrument auxiliary mechanism includes a fixed rod and a swing rod; one end of the fixed rod can be fixed on the first cross bar, and the other end of the fixed rod is rotatably connected to one end of the swing rod with the center of the sphere as the rotation point, and the other end of the swing rod is provided with a penetrating auxiliary hole; after rotating the swing rod, the swing rod can maintain the rotated posture relative to the fixed rod.

4. The medical full-mouth opening device according to claim 1, characterized in that: The rotation locking mechanism includes a fixed gear disc, a locking gear disc and a locking knob; The fixed toothed disc is fixed on the second crossbar, and the fixed toothed disc and the tongue depressor are respectively located on both sides of the second crossbar; the fixed toothed disc has a first through hole coaxial with the rotating through hole; a plurality of protruding teeth are fixedly provided on one side of the fixed toothed disc, and the protruding teeth are circumferentially distributed around the axis of the first through hole; The locking gear plate has a rotation limiting hole coaxial with the rotation through hole; and a plurality of tooth grooves are provided on one side of the locking gear plate, each of the tooth grooves being circumferentially distributed around the axis of the rotation limiting hole; the tooth grooves correspond one to one with the protruding teeth; A rotation limiting surface is provided on the rotating rod, and the rotation limiting surface corresponds to the rotation limiting hole; when the rotation limiting surface is located in the rotation limiting hole, the rotating rod maintains a fixed relative position with the locking gear disk in the rotation direction around the axis of the rotating through hole; and the end of the rotating rod away from the tongue depressor has a locking thread, and the screw hole of the locking knob is threadedly connected to the locking thread.

5. The medical full-mouth opening device according to claim 1, characterized in that: At least one anti-detachment hook is fixedly provided on both sides of the tongue depressor, and the anti-detachment directions of the anti-detachment hooks are the same.

6. The medical full-mouth opening device according to claim 3, characterized in that: A sliding frame is fixedly provided on one end of the fixed rod away from the swing rod, and the sliding frame is slidably provided on the first crossbar; A through-limiting screw hole is provided on the sliding frame. A limiting bolt is threadedly connected to the limiting screw hole. The threaded end of the limiting bolt can pass through the limiting screw hole and abut against the outer wall of the first cross bar.

7. The medical full-mouth opening device according to claim 2, characterized in that: An adjusting knob is fixedly provided on the end of the screw rod located on the side of the second cross bar away from the first cross bar.

8. The medical full-mouth opening device according to claim 1, characterized in that: The middle part of the tongue depressor is provided with an accommodating groove.

9. The medical full-mouth opening device according to claim 3, characterized in that: A hemispherical body is fixedly provided on one end of the fixing rod close to the swing rod, and a hemispherical groove is provided on one end of the swing rod away from the auxiliary hole. The hemispherical body and the hemispherical groove are interference fit.

10. The medical full-mouth opening device according to claim 4, characterized in that: A compression spring is sleeved on the rotating rod between the locking gear disc and the locking knob; one end of the compression spring abuts against a side of the locking gear disc close to the locking knob, and the other end of the compression spring abuts against a side of the locking knob close to the locking gear disc.

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