Pediatric tongue depressor

Abstract

The invention discloses a tongue depressor for the department of pediatrics, and belongs to the technical field of medical auxiliary instruments. The tongue depressor for the department of pediatrics comprises a shell; a tongue pressing mechanism and an occlusion mechanism; the tongue depressor can effectively reduce the shielding of the visual field, improve the visual field during examination and facilitate the diagnosis work of medical staff, meanwhile, different parts of the tongue can be pressed downwards to improve the examination visual field by arranging the tongue depressing mechanism, the position of the tongue depressor is easy and convenient to adjust, replacement is convenient and fast, and under the action of the occlusion mechanism, the tongue depressor can be conveniently replaced. The position of the occlusion mechanism can be adjusted according to different opening degrees of the child patient, so that the opening position of the child patient can be well limited; meanwhile, due to the arrangement of the connecting sleeve and the connecting rod, damage caused by excessive extrusion of tissues, organs and structures such as gums and teeth during subconscious closing of the child due to rigid support between a traditional opening supporting structure and the oral cavity of the child can be avoided, and the device is more suitable for the state that the tissues and organs such as the gums and the teeth in the oral cavity of the child are not completely developed.

Description

Technical Field

[0001] The invention belongs to the technical field of medical auxiliary equipment, and in particular relates to a pediatric tongue depressor. Background Art

[0002] When doctors examine children's mouth or pharynx, they need to shine light on the patient's lips first, ask the patient to open his mouth, and pay attention to the condition of the lips and mouth, including the tongue, teeth, gums, oral mucosa, floor of the mouth, hard palate, cheeks, and salivary gland openings. When examining the pharynx, throat, and mouth, a tongue depressor is needed to check the tonsils, posterior pharyngeal wall, etc., and observe the movement of the soft palate. When children undergo oral or pharyngeal examinations, they may struggle and move around due to fear, and refuse to cooperate with the doctor's examination, which will delay the doctor's work, reduce work efficiency, and waste time and effort. At the same time, they may bite their tongue or lips. In pediatric clinical practice, tongue depressors are generally used to examine children's mouths or pharyngeal areas.

[0003] However, the existing tongue depressors are not only inflexible when used, but also cannot adjust the length of the tongue depressor and the degree of support for the patient's mouth opening according to actual conditions; and when using a pediatric tongue depressor such as the one with announcement number CN118000794B to perform an oral examination on a child, the child's teeth are placed on the upper and lower teeth bite molds, and then the child's mouth is stretched and locked. However, due to the setting of the bite film, the inspection field of view will be blocked during the inspection, thereby affecting the diagnosis, and the inspection and treatment of the child's oral cavity cannot be effectively completed.

[0004] Therefore, the present invention provides a pediatric tongue depressor to solve the problems existing in the above-mentioned prior art and improve the efficiency of examination and treatment of the oral cavity of children. Summary of the invention

[0005] In view of this, the main purpose of the present invention is to provide a pediatric tongue depressor to solve the problems that the bite membrane of the traditional tongue depressor will block the inspection field of view and affect the diagnosis when in use, and the flexibility is low and the length of the tongue depressor and the degree of support for the patient's mouth opening cannot be adjusted according to actual conditions.

[0006] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0007] A pediatric tongue depressor, comprising:

[0008] shell;

[0009] The tongue depressor mechanism comprises an adjusting component arranged in the housing, a pressing plate component is arranged on one side of the adjusting component, the pressing plate component comprises a tongue depressor, a connecting plate is arranged at one end of the tongue depressor, the connecting plate and the adjusting component are matched, the other end of the tongue depressor penetrates and extends out of the housing, and an expansion portion is arranged at the outer end of the tongue depressor;

[0010] The engaging mechanism is movably arranged on the surface of the shell.

[0011] In one embodiment, the adjustment component includes:

[0012] A mounting block is slidably disposed in the housing, and a slot matching the connecting plate is provided on the mounting block;

[0013] The insert rod is movably arranged in the adjustment cavity in the mounting block through the first spring and matches with the connecting plate, and the adjustment cavity is communicated with the slot.

[0014] In one of the embodiments, a symmetrically distributed pull rod is provided on the side of the mounting block away from the slot, a slide is provided on the top of the pull rod, the slide is slidably connected to the inner wall of the shell, and a sliding rod is also provided on the top of the slide, the upper end of the sliding rod passes through and extends out of the shell, and a liquid storage cavity is also opened in the sliding rod.

[0015] In one embodiment, an adjusting block is provided on the top of the shell, a piston is symmetrically provided on the bottom of the adjusting block, the surface of the piston is slidably connected to the inner wall of the liquid storage chamber, and a second spring is provided between the surface of the piston and the inner top wall of the liquid storage chamber.

[0016] In one of the embodiments, a connecting cavity is provided in the pull rod, and a catheter is provided on the top of the pull rod, one end of the catheter is connected to the connecting cavity, and the other end of the catheter is connected to the liquid storage cavity.

[0017] In one of the embodiments, a guide tube connected to the connecting cavity is further provided on the surface of the pull rod, and the other end of the guide tube is connected to the adjacent regulating cavity, and both the regulating cavity and the connecting cavity are filled with hydraulic oil.

[0018] In one of the embodiments, a partition is further provided in the slot, the partition divides the slot into a front slot and a rear slot, and an insertion rod is movably provided in the slot, one end of the insertion rod passes through the partition, and a push plate is provided at the end of the insertion rod extending to the outside of the partition to match the connecting plate, an active clamping plate is provided at the other end of the insertion rod, and a third spring is provided on the outside of the insertion rod between the active clamping plate and the partition, one end of the third spring is connected to the partition, and the other end is connected to the active clamping plate.

[0019] In one embodiment, the engagement mechanism comprises:

[0020] The slide groove is symmetrically opened on both sides of the outer shell surface, and the inner top wall of the slide groove is provided with evenly distributed limit grooves;

[0021] A sliding shell is slidably arranged on the surface of the outer shell, and a pull plate is symmetrically arranged on the surface of the sliding shell, and opposite sides of the pull plate are connected with a clamping rod, and one end of the clamping rod extends into the adjacent limit groove;

[0022] The guide rod is arranged on the inner wall of the sliding shell, and a slider is slidably connected to the surface of the guide rod, one end of the slider passes through the sliding shell and is connected to the adjacent pull plate, and a third spring is arranged between the bottom of the slider and the inner bottom wall of the sliding shell.

[0023] In one of the embodiments, the top and bottom of the sliding shell are provided with symmetrically distributed connecting rods, and a connecting sleeve is provided on the surface of the connecting rod, an expansion joint is opened on the surface of the connecting sleeve, and evenly distributed protrusions are provided on the surface of the connecting sleeve, and the connecting rod is a medical stainless steel material component, and the connecting sleeve is a medical latex material component.

[0024] In one of the embodiments, a suction head located below the tongue depressor is provided on the side of the shell away from the handle, and a connecting tube is connected to the surface of the suction head, and the other end of the connecting tube passes through the outside of the shell.

[0025] Compared with the prior art, the present invention provides a pediatric tongue depressor, which has the following beneficial effects:

[0026] 1. Through the setting of the pressure plate assembly, an elliptical extension part is set at the end of the tongue depressor, which can adapt to the shape of the upper surface of the human tongue coating, avoiding the situation where part of the tongue tissue wraps around the tongue depressor during the examination, affecting the observation field of view, and effectively ensuring the observation field of view of medical staff during the diagnosis and treatment process;

[0027] 2. By adjusting the setting of the components, the use length of the tongue depressor can be adjusted according to the diagnosis and treatment needs during use, which can effectively meet the different use needs of patients and medical staff; at the same time, it is convenient to quickly complete the replacement and installation of the tongue depressor during use, thereby improving the disassembly and assembly efficiency;

[0028] 3. Through the setting of the bite mechanism, it is convenient to adjust the position of the sliding shell on the outer shell surface according to the degree of the patient's mouth opening during use, and the position of the bite mechanism can be adjusted according to the different opening degrees of the child, so as to limit the opening position of the child well; at the same time, due to the setting of the connecting sleeve and the connecting rod, it can avoid the damage caused by excessive squeezing of the gums, teeth and other tissues and organs and structures when the child subconsciously closes his mouth due to the rigid support of the traditional opening support structure and the child's mouth, which is more suitable for the state of incomplete development of the gums, teeth and other tissues and organs in the child's mouth;

[0029] 4. The setting of the suction head and the connecting tube makes it easy to suck the saliva in the oral cavity during the diagnosis and treatment process, maintaining a good inspection field of view without causing discomfort to the patient;

[0030] 5. By setting the fill light, the field of vision can be enhanced and the observation effect can be improved, making it easier for medical staff to observe. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained like these drawings without paying creative work.

[0032] Figure 1 It is a structural schematic diagram of the pediatric tongue depressor of the present invention;

[0033] Figure 2 It is a schematic diagram of the separation of the pressing plate assembly and the housing of the present invention;

[0034] Figure 3 It is a structural schematic diagram of the pressing plate assembly of the present invention;

[0035] Figure 4 It is a schematic diagram of the distribution of the slide groove and the limit groove of the present invention;

[0036] Figure 5 It is a structural schematic diagram of the bite mechanism of the present invention;

[0037] Figure 6 For the present invention Figure 5 A partial enlarged view of the middle A;

[0038] Figure 7 It is a schematic diagram of the connection between the adjustment component and the housing of the present invention;

[0039] Figure 8 It is a partial schematic diagram of the adjustment component of the present invention;

[0040] Fig. 9 For the present invention Figure 8 A partial enlarged view of point B in the middle.

[0041] In the figure: 1, shell; 101, handle; 102, guide groove; 2, tongue depressor mechanism; 21, pressure plate assembly; 2101, tongue depressor; 2102, connecting plate; 2103, through hole; 2104, expansion part; 22, adjustment assembly; 2201, mounting block; 2202, slot; 2203, adjustment cavity; 2204, insertion rod; 2205, catheter; 2206, pull rod; 2207, connecting cavity; 2208, guide tube; 2209, first spring; 2210, adjustment block; 2211, sliding rod; 2212, second Spring; 2213, piston; 2214, slide plate; 2215, liquid storage chamber; 2216, plug rod; 2217, partition; 2218, third spring; 2219, push plate; 2220, movable clamping plate; 3, bite mechanism; 301, slide groove; 302, limit groove; 303, sliding shell; 304, pull plate; 305, connecting rod; 306, connecting sleeve; 307, protrusion; 308, clamping rod; 309, slider; 310, guide rod; 311, third spring; 4, suction head; 401, connecting pipe; 5, fill light. DETAILED DESCRIPTION

[0042] The structure of the pediatric tongue depressor will be further described in detail below in conjunction with the accompanying drawings and embodiments of the present invention.

[0043] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0044] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments of the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0045] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0046] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0047] See also Figure 1-Figure 9 , the present invention provides a technical solution:

[0048] A pediatric tongue depressor comprises a shell 1, a tongue depressing mechanism 2 and a bite mechanism 3; wherein:

[0049] A handle 101 is fixedly connected to the bottom of the housing 1;

[0050] The tongue depressing mechanism 2 is arranged inside the housing 1, and includes an adjusting component 22 installed inside the housing 1, and a pressing plate component 21 is detachably installed on one side of the adjusting component 22, and the adjusting component 22 is used to adjust the position of the pressing plate component 21, so that the pressing plate component 21 can be used to press the patient's tongue for easy inspection of the oral cavity;

[0051] The occlusal mechanism 3 is arranged on the surface of the housing 1 and is used in conjunction with the patient's upper jaw and lower jaw to achieve the effect of occlusal fixation.

[0052] It is worth noting that in this embodiment, through the arrangement of the housing 1, the tongue depressing mechanism 2 and the bite mechanism 3, the housing 1 is used to combine the tongue depressing mechanism 2 and the bite mechanism 3 to form an independent device that can assist the patient to open his mouth and press the patient's tongue. The tongue depressing mechanism 2 and the bite mechanism 3 can assist the patient to open his mouth and press the patient's tongue during oral examination and treatment, so as to facilitate the examination and treatment of the patient's oral cavity during use. The arrangement of the grip 101 can make the device as a whole resemble a gun shape, so that it is easy for medical staff to hold.

[0053] As a preferred embodiment, Figure 2 and Figure 3As shown, the pressure plate assembly 21 includes a tongue depressor 2101, one end of which is fixedly connected to two connecting plates 2102, and the surface of the connecting plate 2102 is provided with a through hole 2103. The tongue depressor 2101 is detachably arranged on the surface of the adjustment assembly 22 through the connecting plate 2102 and the through hole 2103; the other end of the tongue depressor 2101 passes through the outside of the shell 1, and an integrally formed elliptical expansion portion 2104 is arranged at the end.

[0054] It is worth noting that in this embodiment, the shape of the expansion part 2104 matches the shape of the upper surface of the human tongue coating, and its shape is set to prevent the tongue tissue from being soft, and the traditional tongue depressor 2101 will cause the tongue tissue to wrap around the tongue depressor 2101 when it is pressed down, thus affecting the observation field. The expansion part 2104 designed as described above can better press the patient's tongue as a whole, so that medical staff can observe the inside of the oral cavity.

[0055] As a preferred embodiment, Figure 1 and Figure 2 As shown, the tongue depressor 2101 is a medical rubber component, a wooden component or a medical stainless steel component and can be replaced. The wooden component and the medical rubber component are disposable items and should be replaced for one patient at a time. The stainless steel tongue depressor 2101 can be reused after disinfection and cleaning.

[0056] As a preferred embodiment, Figure 1 and Figure 2 As shown, a fill light 5 is provided on the front end surface of the shell 1. The fill light 5 can enhance the field of vision and improve the observation effect, so as to facilitate the observation of medical staff. The power supply method of the fill light 5 is a conventional technical means in this field, and a mobile power supply or AC power supply can be used specifically. It can be selected according to the specific situation. As a prior art, it is not drawn in the figure.

[0057] As a preferred embodiment, Figure 1 , Figure 3 , Figure 4 , Figure 7 and Figure 8As shown, the adjustment component 22 includes a mounting block 2201 slidably connected to the inner wall of the shell 1, and the surface of the mounting block 2201 is provided with two slots 2202 corresponding to the connecting plate 2102, and the inner wall of the slot 2202 is slidably connected with an insertion rod 2204, and the surface of the insertion rod 2204 on one side close to the open end of the slot 2202 is an inclined surface, and is used in conjunction with the connecting plate 2102 and the through hole 2103 on the surface of the connecting plate 2102; two adjustment cavities 2203 are provided inside the mounting block 2201, and the upper end of the insertion rod 2204 is slidably connected to the inner wall of the adjustment cavity 2203, and a first spring 2209 is fixedly connected between the top of the insertion rod 2204 and the inner wall of the adjustment cavity 2203.

[0058] It is worth noting that in the present embodiment, the tongue depressor 2101 can be inserted into the interior of the housing 1, and the connecting plate 2102 on the tongue depressor 2101 can be inserted into the interior of the slot 2202. During this process, the end of the connecting plate 2102 can push the inclined surface of the insertion rod 2204 to shrink it to the interior of the adjustment cavity 2203 and compress the first spring 2209 until the through hole 2103 moves to a coaxial setting with the insertion rod 2204. Under the action of the first spring 2209, the insertion rod 2204 can be driven to reset and pass through the through hole 2103 to achieve the installation of the tongue depressor 2101, thereby limiting the position of the connecting plate 2102. By pulling the connecting plate 2102, the connecting plate 2102 can be driven under the action of the insertion rod 2204 to shrink the tongue depressor 2101 to the interior of the housing 1, so as to achieve the effect of adjusting the position of the tongue depressor 2101, so as to facilitate pressing down on different positions of the tongue.

[0059] As a preferred embodiment, Figure 7 and Figure 8As shown, the mounting block 2201 is fixedly connected to a side away from the slot 2202 with two symmetrically distributed pull rods 2206, the top of the pull rod 2206 is fixedly connected to a slide plate 2214, the slide plate 2214 is slidably connected to the inner wall of the housing 1, the top of the slide plate is fixedly connected to two sliding rods 2211, the upper ends of the sliding rods 2211 pass through the housing 1, and a liquid storage cavity 2215 is provided inside the sliding rods 2211. The top of the housing 1 is also provided with an adjustment block 2210, the bottom of the adjustment block 2210 is fixedly connected to two pistons 2213, the surface of the piston 2213 is slidably connected to the inner wall of the liquid storage cavity 2215, and a second spring 2212 is fixedly connected between the surface of the piston 2213 and the inner top wall of the liquid storage cavity 2215. A connecting cavity 2207 is provided inside the pull rod 2206, and a conduit 2205 is provided on the top of the pull rod 2206. One end of the conduit 2205 is connected to the connecting cavity 2207, and the other end of the conduit 2205 is connected to the liquid storage cavity 2215. A guide tube 2208 connected to the connecting cavity 2207 is provided on the surface of the pull rod 2206, and the other end of the guide tube 2208 is connected to the adjacent regulating cavity 2203. The regulating cavity 2203 and the connecting cavity 2207 are both filled with hydraulic oil.

[0060] It is worth noting that in the present embodiment, by pulling the adjusting block 2210, the sliding rod 2211, the slide plate 2214, and the pull rod 2206 can be driven to move synchronously by the piston 2213 under the action of the adjusting block 2210, thereby achieving the effect of adjusting the position of the tongue depressor 2101. When the tongue depressor 2101 needs to be replaced, the adjusting block 2210 can be pulled upward, and in this process, the piston 2213 can be driven to move upward and compress the second spring 2212. At this time, the space between the bottom of the piston 2213 and the inner bottom wall of the liquid storage chamber 2215 is increased. Figure 8, the insertion rod 2204 is pushed by the filling of hydraulic oil to be located inside the slot 2202, and the first spring 2209 is in a stretched state at this time. When the space between the bottom of the piston 2213 and the bottom wall of the liquid storage chamber 2215 increases, the first spring 2209 can drive the rod 2204 to reset and squeeze the hydraulic oil stored in the adjusting chamber 2203. The squeezed hydraulic oil can be introduced into the internal storage of the liquid storage chamber through the guide tube 2208, the connecting chamber 2207 and the conduit 2205, thereby driving the rod 2204 to retract into the adjusting chamber 2203 and releasing the effect of limiting the tongue depressor 2101. The tongue depressor 2101 can be pulled out for replacement. After loosening the adjusting block 2210, the second spring 2212 can drive the piston 2213 and the adjusting block 2210 to reset. Specifically, the elastic force of the second spring 2212 is greater than the elastic force of the first spring 2209, so that after loosening the adjusting block 2210, the first spring 2209 can be in a stretched state again.

[0061] At the same time, when the adjusting block 2210 is pulled to move, not only can the tongue depressor 2101 be quickly installed and removed as described above, but also when the adjusting block 2210 is pulled upward, the position of the entire adjusting assembly 22 on the housing 1 can be adjusted so that it moves along the guide groove 102, thereby adjusting the use length of the tongue depressor 2101, making it convenient for patients and medical staff to use. After the adjusting block 2210 is released, the adjusting block 2210 is pressed against the housing 1 again under the action of the second spring 2212 to restore the deformation, and the position of the adjusting assembly 22 on the housing 1 is fixed for easy use.

[0062] As a preferred embodiment, Figure 8 and Fig. 9 As shown, a partition plate 2217 is further provided in the slot 2202, by which the slot 2202 is divided into a front slot and a rear slot, and an insertion rod 2216 is movably provided in the slot, one end of the insertion rod 2216 passes through the partition plate 2217, and a push plate 2219 is provided at one end of the insertion rod 2216 extending to the outer side of the partition plate 2217 for use with the connecting plate 2102, a movable clamping plate 2220 is provided at the other end of the insertion rod 2216, and a third spring 2218 is installed on the outer side of the insertion rod 2216 between the movable clamping plate 2220 and the partition plate 2217, one end of the third spring 2218 is connected to the partition plate 2217, and the other end is connected to the movable clamping plate 2220.

[0063] It is worth noting that in this embodiment, when the connecting plate 2102 is inserted into the slot 2202, it is pressed against the push plate 2219, and when the push plate 2219 drives the movable clamping plate 2220 to move backward, the third spring 2218 is stretched. Therefore, when the tongue depressor 2101 is disassembled, when the insertion rod 2204 is lifted, the tongue plate 2101 can be quickly ejected by the reset action of the third spring 2218, and the tongue plate 2101 is quickly disassembled.

[0064] As a preferred embodiment, Figure 2 , Figure 5 and Figure 6 As shown, the engaging mechanism 3 includes two slide grooves 301 which are respectively opened on the surface of the shell 1 and are symmetrically distributed, the inner top wall of the slide groove 301 is opened with evenly distributed limiting grooves 302, the surface of the shell 1 is slidably connected with a sliding shell 303, the surface of the sliding shell 303 is fixedly connected with two symmetrically distributed pull plates 304, the opposite sides of the two pull plates 304 are fixedly connected with a clamping rod 308, one end of the clamping rod 308 extends to the interior of the adjacent limiting groove 302, the inner wall of the sliding shell 303 is fixedly connected with a guide rod 310, the surface of the guide rod 310 is slidably connected with a slider 309, one end of the slider 309 penetrates the sliding shell 303 and is fixedly connected to the surface of the adjacent pull plate 304, and a third spring 311 is fixedly connected between the bottom of the slider 309 and the inner bottom wall of the sliding shell 303.

[0065] It is worth noting that in this embodiment, when in use, by pulling the pull plate 304 downward, the slider 309 can be driven to slide along the surface of the guide rod 310 and compress the third spring 311. In this process, the clamping rod 308 can be driven to slide from the limiting groove 302 to the inside of the sliding groove 301. At this time, the position of the sliding shell 303 can be adjusted, thereby adjusting the position of the connecting rod 305 and the connecting sleeve 306, so as to facilitate the mouth opening size of different patients and avoid the situation where the inspection field is affected by too large or too small. By adjusting the clamping rod 308 to be stuck in the limiting groove 302 at different positions, the position of the sliding shell 303 on the housing 1 can be adjusted to meet the different needs of the patient's oral examination and treatment. At the same time, through the setting of the slider 309, the guide rod 310 and the third spring 311, it is convenient to reset the pull plate 304 and the clamping rod 308, and it is convenient to adjust the position of the sliding shell 303 on the housing 1. Through the setting of the pull plate 304, it is convenient for patients and medical staff to manually adjust when in use.

[0066] As a preferred embodiment, Figure 2 , Figure 5 and Figure 6As shown, the top and bottom of the sliding shell 303 are fixedly connected with two connecting rods 305, which are arranged obliquely on the sliding shell 303 and are made of medical stainless steel. A connecting sleeve 306 is sleeved on the surface of the connecting rod 305, and the connecting sleeve 306 is made of medical latex. An expansion joint is provided on the surface of the connecting sleeve 306 to facilitate the installation of the connecting sleeve 306 on the connecting rod 305. The surface of the connecting sleeve 306 is provided with evenly distributed protrusions 307, which are used in conjunction with the patient's teeth or gums.

[0067] It is worth noting that in this embodiment, the expansion joint provided on the surface of the connecting sleeve 306 can facilitate the connecting rod 305 to enter the inner side of the connecting sleeve 306 by squeezing the expansion joint. Since the connecting sleeve 306 is a medical latex material component, after the connecting rod 305 squeezes the opening of the expansion joint and enters the inner side of the connecting sleeve 306, the expansion joint is reset under the elastic force of the connecting sleeve 306 itself to avoid falling off, and the connecting rod 305 is a medical stainless steel material component, which has a certain elasticity and can be squeezed to cause a small amount of deformation, avoiding the situation that the traditional structural material used to keep the patient in the open state is hard, causing damage to the teeth or even the gums when the patient is stimulated to close the mouth, and the setting of the protrusion 307 can prevent the possibility of sliding when the patient bites.

[0068] As a preferred embodiment, Figure 1 As shown, a suction head 4 located below the tongue depressor 2101 is further provided on the side of the shell 1 away from the handle 101 , and a connecting pipe 401 is connected to the surface of the suction head 4 , and the other end of the connecting pipe 401 passes through the shell 1 .

[0069] It is worth noting that in this embodiment, the other end of the connecting tube 401 is connected to the negative pressure drainage device, and negative pressure is generated by the negative pressure drainage device. The connecting tube 401 and the suction head 4 are used to absorb saliva in the oral cavity, thereby maintaining a good inspection field of view without causing discomfort to the patient. The start button of the negative pressure drainage device can be set on the surface of the handle 101, which is convenient for medical staff to use.

[0070] The working principle of the pediatric tongue depressor of the present invention includes:

[0071] 1. During the examination, the position of the occlusal mechanism 3 is adjusted according to the degree of the patient's oral opening, so that the position of the patient's oral cavity can be well limited, effectively improving the field of view during the examination.

[0072] 2. During use, by pulling the adjustment block 2210, the piston 2213 drives the sliding rod 2211, the slide plate, and the pull rod 2206 to drive the mounting block 2201 to move synchronously under the action of the adjustment block 2210, thereby achieving the effect of adjusting the position of the tongue depressor 2101;

[0073] 3. When the tongue depressor 2101 needs to be replaced, the adjusting block 2210 is pulled upward, during which the piston 2213 can be driven upward and the second spring 2212 can be compressed. At this time, the space between the bottom of the piston 2213 and the bottom wall of the liquid storage chamber is increased. When the space between the bottom of the piston 2213 and the bottom wall of the liquid storage chamber increases, the insertion rod 2204 can be driven to reset and squeeze the hydraulic oil stored in the adjusting chamber 2203 under the action of the first spring 2209. The squeezed hydraulic oil can be introduced into the internal storage of the liquid storage chamber through the guide tube 2208, the connecting chamber 2207 and the conduit 2205, thereby driving the insertion rod 2204 to retract into the inside of the adjusting chamber 2203 and releasing the effect of limiting the tongue depressor 2101. The tongue depressor 2101 can then be pulled out for replacement.

[0074] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A pediatric tongue depressor, characterized in that: include: Housing (1); The tongue depressor mechanism (2) comprises an adjusting component (22) arranged in the housing (1), a pressing plate component (21) being arranged on one side of the adjusting component (22), the pressing plate component (21) comprising a tongue depressor (2101), a connecting plate (2102) being arranged at one end of the tongue depressor (2101), the connecting plate (2102) and the adjusting component (22) being matched, the other end of the tongue depressor (2101) passing through and extending out of the housing (1), and an expansion portion (2104) being arranged at the outer end of the tongue depressor (2101); The engaging mechanism (3) is movably arranged on the surface of the housing (1).

2. A pediatric tongue depressor according to claim 1, characterized in that: The adjustment component (22) comprises: A mounting block (2201) is slidably disposed in the housing (1), and a slot (2202) matching the connecting plate (2102) is provided on the mounting block (2201); The insert rod (2204) is movably arranged in the adjustment cavity (2203) in the mounting block (2201) through the first spring (2209) and matches with the connecting plate (2102), and the adjustment cavity (2203) is connected with the slot (2202).

3. A pediatric tongue depressor according to claim 2, characterized in that: A symmetrically distributed pull rod (2206) is arranged on one side of the mounting block (2201) away from the slot (2202), a slide plate (2214) is arranged on the top of the pull rod (2206), the slide plate (2214) is slidably connected to the inner wall of the outer shell (1), and a sliding rod (2211) is also arranged on the top of the slide plate (2214), the upper end of the sliding rod (2211) passes through and extends out of the outer shell (1), and a liquid storage chamber (2215) is also opened in the sliding rod (2211).

4. A pediatric tongue depressor according to claim 2, characterized in that: An adjusting block (2210) is arranged on the top of the housing (1), a piston (2213) is symmetrically arranged on the bottom of the adjusting block (2210), the surface of the piston (2213) is slidably connected to the inner wall of the liquid storage chamber (2215), and a second spring (2212) is arranged between the surface of the piston (2213) and the inner top wall of the liquid storage chamber (2215).

5. A pediatric tongue depressor according to claim 4, characterized in that: A connecting cavity (2207) is provided in the pull rod (2206), and a conduit (2205) is provided on the top of the pull rod (2206). One end of the conduit (2205) is connected to the connecting cavity (2207), and the other end is connected to the liquid storage cavity (2215).

6. A pediatric tongue depressor according to claim 5, characterized in that: The surface of the pull rod (2206) is also provided with a guide tube (2208) connected to the connecting cavity (2207), and the other end of the guide tube (2208) is connected to the adjacent regulating cavity (2203), and the regulating cavity (2203) and the connecting cavity (2207) are both filled with hydraulic oil.

7. A pediatric tongue depressor according to claim 2, characterized in that: A partition (2217) is also provided in the slot (2202), and the partition (1107) divides the slot (2202) into a front slot and a rear slot, and an insertion rod (2216) is movably provided in the slot, one end of the insertion rod (2216) passes through the partition (2217), and a push plate (2219) is provided at one end of the insertion rod (2216) extending to the outside of the partition (2217) to match the connecting plate (2102), and an active card plate (2210) is provided at the other end of the insertion rod (2216), and a third spring (2218) is provided on the outside of the insertion rod (2216) between the active card plate (2220) and the partition (2217), and one end of the third spring (2218) is connected to the partition (2217), and the other end is connected to the active card plate (2220).

8. A pediatric tongue depressor according to claim 1, characterized in that: The engaging mechanism (3) comprises: The slide groove (301) is symmetrically arranged on both sides of the surface of the housing (1), and evenly distributed limiting grooves (302) are arranged on the inner top wall of the slide groove (301); A sliding shell (303) is slidably arranged on the surface of the outer shell (1), and a pull plate (304) is symmetrically arranged on the surface of the sliding shell (303), and opposite sides of the pull plate (304) are connected to a clamping rod (308), and one end of the clamping rod (308) extends into an adjacent limiting groove (302); A guide rod (310) is arranged on the inner wall of the sliding shell (303), and a slider (309) is slidably connected to the surface of the guide rod (310), one end of the slider (309) passes through the sliding shell (303) and is connected to the adjacent pull plate (304), and a third spring (311) is arranged between the bottom of the slider (309) and the inner bottom wall of the sliding shell (303).

9. A pediatric tongue depressor according to claim 8, characterized in that: The top and bottom of the sliding shell (303) are both provided with symmetrically distributed connecting rods (305), and a connecting sleeve (306) is sleeved on the surface of the connecting rod (305), an expansion joint is opened on the surface of the connecting sleeve (306), and evenly distributed protrusions (307) are provided on the surface of the connecting sleeve (306), and the connecting rod (305) is a medical stainless steel material component, and the connecting sleeve (306) is a medical latex material component.

10. The pediatric tongue depressor according to claim 1, characterized in that: A suction head (4) located below the tongue depressor (2101) is provided on a side of the housing (1) away from the handle (101); a surface of the suction head (4) is connected to a connecting pipe (401); the other end of the connecting pipe (401) extends out of the housing (1).

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