CN111728580B - Throat examination device and application method thereof - Google Patents
Throat examination device and application method thereof Download PDFInfo
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- CN111728580B CN111728580B CN202010757832.3A CN202010757832A CN111728580B CN 111728580 B CN111728580 B CN 111728580B CN 202010757832 A CN202010757832 A CN 202010757832A CN 111728580 B CN111728580 B CN 111728580B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/05—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention discloses a throat examination device and a use method thereof, wherein the throat examination device comprises a shell, wherein a rack is connected inside the shell in a sliding way; a gear is arranged above the rack; the outer wall of the left end of the shell is connected with a top support device, which comprises a lower top plate and an upper top plate; the lower top plate is fixedly connected to the outer wall of the shell, the right end of the upper top plate is hinged to the outer wall of the shell, the bottom of the upper top plate is connected with a reset spring, the bottom of the reset spring is connected to the wall of the shell, and the bottom of the upper top plate is also connected with a squeezing wheel; the bottom of the shell is communicated with a box body, a plurality of tongue depressor plates are stacked in the box body, the inner wall of the bottom of the box body is connected with a top plate spring, and the top of the top plate spring is propped against the bottom of the tongue depressor plates; the rack is connected with a wedge block which is matched with the extrusion wheel; the left side of the rack is provided with a notch, a limiting part and a separating part. The device has simple structure and ingenious design, can realize automatic replacement of the tongue depressor, and the tongue depressor stretches out to act in an integrated way with the top support, thereby facilitating operation and checking patients.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a throat examination device and a using method thereof.
Background
At present, clinical oral examination mainly utilizes tongue depressor and torch cooperation to carry out the inspection of throat, and the equipment is simpler, all needs to be surveyd the initiative of person and opens big oral cavity cooperation, by medical staff hand tongue depressor, just can accomplish the inspection with handheld torch or head lighting lamp.
These traditional methods of observation not only add to the workload of medical personnel, but also can easily cause bacterial infection during the hand contact with the flashlight or tongue depressor; in addition, in the checking process, the mouth is opened for a long time, so that the patient is easy to be painful, the mouth is closed slowly, and the checking by a doctor is inconvenient, and the patient is required to be continuously reminded of opening the mouth, so that the doctor is more annoying, the patient can feel uncomfortable, and especially for children with smaller ages, the checking time and the checking result are influenced due to the fact that the children are easy to cry or suddenly close the mouth in the checking process due to poor matching, and the checking is not easy to be carried out smoothly; in addition, medical staff directly observe through eyes for a long time, the distance is relatively far, the observation is unclear and incomplete, the medical staff can possibly fail to accurately examine and even make wrong diagnosis results, and the examination time is long due to the unclear observation, and a patient is required to open a large mouth for a long time, so that the patient is uncomfortable.
Disclosure of Invention
In order to solve the problems in the prior art, a throat examination apparatus and a method of using the same are provided.
The technical scheme adopted for solving the technical problems is as follows:
the invention provides a throat examination device, which comprises a tongue depressor and a shell, wherein a sliding groove is formed in the shell, and a rack is connected in the sliding groove in a sliding manner; a gear is arranged above the rack in a matched manner, and is rotatably connected to the inner wall of the shell and connected with a motor; the outer wall of the left end of the shell is connected with a top support device for expanding the mouth, and the top support device comprises a lower top plate and an upper top plate; the lower top plate is fixedly connected to the outer wall of the shell, the right end of the upper top plate is hinged to the outer wall of the shell, the bottom of the upper top plate is connected with a reset spring, the bottom of the reset spring is fixedly connected to the wall of the shell, and the bottom of the upper top plate is also connected with a squeezing wheel; the bottom of the shell is connected with a box body, a plurality of tongue depressor plates are stacked in the box body, the top of the box body is provided with an opening and is communicated with the chute, the inner wall of the bottom of the box body is connected with a top plate spring, and the top of the top plate spring is propped against the bottom of the tongue depressor plate positioned at the lowest part; the rack is connected with a wedge block moving along with the rack, the wedge block is arranged below the extrusion wheel and is matched with the extrusion wheel, and the upper top plate rotates around a hinge point through the extrusion wheel; the left side of the rack is provided with a notch for accommodating only one tongue depressor; the left end of the rack is provided with a limiting part and a separating part, and the separating part is obliquely arranged below the notch; the limiting part is arranged above the notch, and the right end of the limiting part is flush with the left end of the separating part to form an overhanging structure; when the rack moves to the rightmost end of the chute, the right end of the limiting part is flush with the right side wall of the box body.
Preferably, the sterilizing component comprises an alcohol bin arranged in the shell, and a filling port is arranged above the alcohol bin; a baffle is arranged at the bottom outlet of the alcohol bin, and a through hole is formed in the baffle; the baffle fixedly connected with connecting rod, connecting rod with casing sliding connection, the one end of connecting rod passes through the extension spring and connects on the shells inner wall, and the other end wears out the casing is connected with the pull handle.
Preferably, the shell is provided with a limiting through groove, and the pull handle is slidably arranged in the limiting through groove.
Preferably, a friction roller matched with the tongue depressor is arranged on the outer wall of the box body, and the friction roller is arranged below the chute.
Preferably, a camera and an illuminating lamp are further arranged above the shell, and the camera is connected with a display screen.
Preferably, a lithium battery is arranged in the shell, and a charging port for charging the lithium battery is also arranged in the shell.
Preferably, the bottom of the shell is connected with a handle, and the handle is provided with a first button and a second button for controlling the motor to rotate positively and negatively.
Preferably, the box body is provided with openings up and down, the bottom of the box body is connected with a box cover, and one end of the top plate spring is fixedly connected to the inner wall of the box cover.
The invention also provides a using method of the throat examination device, which comprises the following steps:
s1, when the device is used, the motor is controlled to drive the gear to rotate anticlockwise, so that the rack moves to the rightmost end of the chute, at the moment, the right end of the limiting part is flush with the right side wall of the box body, namely the leftmost end of the separating part is flush with the right side wall of the box body;
s2, placing a plurality of tongue depressors in the box body, and propping the top end of the uppermost tongue depressors against the bottom end surface of the limiting part under the action of the elasticity of the top plate spring to finish the installation of the tongue depressors;
s3, extending the shell into the mouth of a patient, controlling the motor to drive the gear to rotate clockwise, enabling the rack to move leftwards, and separating the upper and lower adjacent and closely attached tongue depressors by the separating part, so that the uppermost tongue depressors enter the notch and move leftwards along with the rack; simultaneously, the wedge block moves along with the rack, in the moving process, the wedge block is contacted with the extrusion wheel, the upper top plate rotates around the hinge point, the return spring is stretched, the angle between the upper top plate and the lower top plate is increased and acts on the upper teeth and the lower teeth respectively, so that the mouth is expanded and the opening and closing degree is kept; at the moment, the tongue depressor extends out of the chute to finish the depression of the tongue;
s4, after throat examination is finished, controlling the motor to rotate anticlockwise so as to enable the rack to move rightwards; when the rack moves rightwards, the tongue depressor cannot move rightwards along with the rack and is left outside the shell, and a worker takes down the tongue depressor; the upper top plate rotates back to an initial state under the action of the elasticity of the reset spring while the rack moves; along with the movement of the rack, the rack returns to an initial state, the next tongue depressor is propped against the bottom end of the limiting part under the action of the top plate spring, the automatic replacement of the tongue depressor is completed, and at the moment, one-time inspection is completed;
s5, repeating the steps S1-S4 to finish the next throat examination.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the rack, the gear and the box body are arranged, the notch, the limiting part and the separating part are arranged on the rack, the rack is driven to move by the rotation of the gear, and the tongue depressor is separated into the notch under the action of the separating part and is carried out along with the movement of the rack; the limiting part can play a limiting role when in an initial state, so that the tongue depressor at the uppermost part is propped against the bottom end of the limiting part, the two adjacent tongue depressors are conveniently separated by the matching and separating part, and finally, the automatic replacement of the tongue depressors is realized; the structure is simple, the design is reasonable, and the operation is convenient;
2. by arranging the propping device, the mouth of a patient is expanded, and the expansion of the propping device and the extension of the tongue depressor adopt a linkage mode, so that the tongue is pressed down while the mouth is expanded, the structure is ingenious, time and labor are saved, and the smooth examination is convenient;
3. the friction roller is arranged, so that the tongue depressor can conveniently slide out of the chute, friction force is reduced, and sliding is facilitated; in addition, the sterilizing component is arranged to sterilize and clean the friction roller, so that the cleanliness of the friction roller is ensured, and the friction roller is prevented from polluting the tongue depressor;
4. through setting up light, camera, display screen, can conveniently observe the inside condition of oral cavity, the medical personnel of being convenient for makes accurate judgement.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic view of the structure of the present invention (tongue depressor in operation).
Fig. 2 is an enlarged view of the rack structure of fig. 1.
Fig. 3 is a schematic view of the structure of the present invention (in an initial state of the tongue depressor).
Fig. 4 is a front view of the present invention.
Fig. 5 is an enlarged schematic view of the left-view direction structure of the present invention.
Fig. 6 is a schematic top view of a baffle and a link.
Reference numerals illustrate:
1, a box body; 1-1 a box cover; 2 a top plate spring; 3, a tongue depressor; friction roller; 5 a filling port; 6, alcohol warehouse; 7, illuminating lamps; 8 cameras; 9 gears; 10 racks; 101 a limit part; 102 notch; 103 separation part; 11 a display; a 12 lithium battery; 13 charging port; 14 a first button; 15 a second button; 16 handles; a 17 motor; 18 pull handle; a tension spring 19; 20 baffles; 201 through holes; a 21 connecting rod; 22 shells; 221 chute; 222 bar grooves; 223 limit through grooves; 23 upper top plate; a 24 lower top plate; 25 wedge blocks; 26 pin shafts; a 27 spacer; 28 squeezing wheels; 29 return spring.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Example 1
As shown in fig. 1-5, the throat examination device according to the present embodiment includes a tongue depressor 3 and a housing 22, wherein a chute 221 is provided in the housing 22, a rack 10 is slidably connected in the chute 221, and the rack 10 can slide left and right along the chute 221 and slide out of the housing 22; a gear 9 is arranged above the rack 10 in a matched mode, the gear 9 is rotatably connected to the inner wall of the shell 22, the gear 9 is connected with a motor 17, and the motor 17 is fixedly connected to the outer wall of the shell 22.
The bottom of the shell 22 is connected with a box body 1, a plurality of tongue depressor plates 3 are stacked in the box body 1, the top of the box body 1 is provided with an opening and is communicated with the chute 221, the inner wall of the bottom of the box body 1 is connected with a top plate spring 2, and the top of the top plate spring 2 props against the bottom of the tongue depressor plate 3 positioned at the lowest position. In order to facilitate the installation of the tongue depressor 3, the upper and lower parts of the box body 1 are provided with openings, the bottom of the box body 1 is detachably connected with a box cover 1-1 in a screwed or clamped manner, and a clamping manner is preferred in the embodiment; one end of the top plate spring 2 is fixedly connected to the inner wall of the box cover 1-1, and two top plate springs 2 can be arranged symmetrically; one may be provided, centrally located.
A top support device for expanding the mouth is connected to the outer wall of the left end of the shell 22 and comprises a lower top plate 24 and an upper top plate 23, and gaskets 27 are connected to the ends of the upper top plate 23 and the lower top plate 24; the lower top plate 24 is fixedly connected to the outer wall of the casing 22, specifically, the lower top plate 24 may also be directly fixedly connected to the outer wall of the box body 1; the right end of the upper top plate 23 is hinged with the outer wall of the shell 22 through a pin shaft 26, the bottom of the upper top plate 23 is connected with a return spring 29, the bottom of the return spring 29 is fixedly connected to the wall of the shell 22, the bottom of the upper top plate 23 is also connected with a squeezing wheel 28, and the squeezing wheel 28 is arranged between the hinge point and the return spring 29. Through setting up the top stay ware, expand patient's mouth to the expansion of top stay ware adopts the mode of linkage with the stretching out of tongue depressor 3, accomplishes the pushing down to the tongue when keeping the mouth expansion, and the structure is ingenious, labour saving and time saving, the going on smoothly of being convenient for inspect.
A bar-shaped groove 222 is formed in the outer wall of the shell 22, a wedge-shaped block 25 is slidably arranged in the bar-shaped groove 222, the top of the wedge-shaped block 25 is obliquely arranged, and the wedge-shaped block 25 is fixedly connected with the rack 10, so that the rack 10 can drive the wedge-shaped block 25 to follow up when moving; the wedge 25 is arranged below the pinch roller 28 and is adapted to the pinch roller 28, and in use the wedge 25 presses the pinch roller 28 by squeezing to achieve a rotation of the upper top plate 23 about the hinge point.
The left side of the rack 10 is provided with a notch 102 for accommodating only one tongue depressor 3; the left end of the rack 10 is provided with a limiting part 101 and a separating part 103, and the separating part 103 is positioned below the notch 102 and is obliquely arranged, so that the separation between two adjacent tongue depressor plates 3 can be conveniently completed; the limiting part 101 is arranged above the notch 102, and the right end of the limiting part 101 is level with the left end of the separating part 103 to form an overhanging structure; in the initial state, when the rack 10 moves to the rightmost end of the chute 221, the right end of the limiting portion 101 is flush with the right side wall of the case 1. When in use, the tongue depressor 3 is separated into the notch 102 under the action of the separating part 103 and is carried out along with the movement of the rack 10; when the limiting part 101 is in an initial state, the cantilever structure can play a role in limiting, so that the uppermost tongue depressor 3 is propped against the bottom end of the limiting part 101, the two adjacent tongue depressors 3 are conveniently separated by the matching and separating part 103, and finally, the automatic replacement of the tongue depressors 3 is realized; simple structure, reasonable design and convenient operation.
The camera 8 and the illuminating lamp 7 are further arranged above the shell 22, and the camera 8 is connected with a display screen, so that the condition inside the oral cavity can be conveniently observed, and the medical staff can conveniently and accurately judge.
A lithium battery 12 is arranged in the shell 22 for supplying power; the housing 22 is also provided with a charging port 13 for charging the lithium battery 12.
The bottom of the shell 22 is connected with a handle 16, and the handle 16 is provided with a first button 14 and a second button 15 for controlling the forward and reverse rotation of the motor 17, so that the operation of a worker is facilitated.
The friction roller 4 matched with the tongue depressor 3 is arranged on the outer wall of the box body 1, the friction roller 4 is arranged below the chute 221, and when in use, the tongue depressor 3 is pressed on the friction roller 4, so that friction can be reduced when the tongue depressor 3 moves, and the tongue depressor can move conveniently and smoothly.
The invention also provides a using method of the throat examination device, which comprises the following steps:
s1, when the device is used, the motor 17 is controlled to drive the gear 9 to rotate anticlockwise, so that the rack 10 moves to the rightmost end of the chute 221, at the moment, the right end of the limiting part 101 is flush with the right side wall of the box body 1, namely the leftmost end of the separating part 103 is flush with the right side wall of the box body 1;
s2, opening the box cover 1-1, placing a plurality of tongue depressor plates 3 in the box body 1, and supporting the top end of the uppermost tongue depressor plate 3 on the bottom end surface of the limiting part 101 under the action of the elasticity of the top plate spring 2 to finish the installation of the tongue depressor plates 3;
s3, extending the shell 22 into the mouth of a patient, controlling the motor 17 to drive the gear 9 to rotate clockwise, and enabling the rack 10 to move leftwards, wherein the separation part 103 separates the upper and lower adjacent and closely attached tongue depressor 3, so that the uppermost tongue depressor 3 enters the notch 102 and moves leftwards along with the rack 10; simultaneously, the wedge-shaped block 25 moves along with the rack 10, and in the moving process, the wedge-shaped block 25 contacts with the extrusion wheel 28, the upper top plate 23 rotates around the hinging point, the reset spring 29 is stretched, the angle between the upper top plate 23 and the lower top plate 24 is increased and acts on the upper teeth and the lower teeth respectively, so that the mouth is expanded and the opening and closing degree is kept; at this time, the tongue depressor 3 extends out of the chute 221 to finish the depression of the tongue;
s4, after throat examination is finished, controlling the motor 17 to rotate anticlockwise so as to enable the rack 10 to move rightwards; when the rack 10 moves rightwards, the tongue depressor 3 cannot follow the rack 10 to move rightwards and is left outside the shell 22, and a worker removes the tongue depressor 3; the upper top plate 23 is rotated back to the original state by the elastic force of the return spring 29 while the rack 10 is moved; along with the movement of the rack 10, the rack 10 returns to an initial state, the next tongue depressor 3 is propped against the bottom end of the limiting part 101 under the action of the top plate spring 2, so that the automatic replacement of the tongue depressor 3 is completed, and at the moment, one-time inspection is completed;
s5, repeating the steps S1-S4 to finish the next throat examination.
Example two
With continued reference to fig. 1-6, on the basis of the first embodiment, the disinfection component further comprises a disinfection component, wherein the disinfection component comprises an alcohol bin 6 arranged in a shell 22, and a filling port 5 is arranged above the alcohol bin 6, so that alcohol can be conveniently supplemented; a baffle 20 is arranged at the bottom outlet of the alcohol bin 6, and a through hole 201 is formed in the baffle 20; the baffle 20 is fixedly connected with a connecting rod 21, the connecting rod 21 is in sliding connection with the shell 22, specifically, a limiting through groove 223 is formed in the wall of the shell 22, one end of the connecting rod 21 is connected to the inner wall of the shell 22 through a return spring 29, the other end of the connecting rod penetrates out of the limiting through groove 223 and is connected with a pull handle 18, and the pull handle 18 is arranged in the limiting through groove 223 in a sliding mode. When the alcohol sterilizing device is used, the pull handle 18 is pulled to enable the through hole 201 on the baffle 20 to move to a position opposite to the outlet of the alcohol bin 6, at the moment, alcohol can drop onto the friction roller 4 through the through hole 201 to sterilize the friction roller 4, after sterilization is completed, the button is released, the baffle 20 returns to the original position under the action of the elastic force of the return spring 29, the through hole 201 is not communicated with the outlet of the alcohol bin 6, and the outlet of the alcohol bin 6 is blocked by the baffle 20.
Through setting up the subassembly that kills, can disinfect the clearance to friction gyro wheel 4, guarantee the clean degree of friction gyro wheel 4, prevent that friction gyro wheel 4 from polluting tongue depressor 3.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The throat examination device comprises a tongue depressor and a shell, and is characterized in that a sliding groove is formed in the shell, and a rack is connected in a sliding manner in the sliding groove; a gear is arranged above the rack in a matched manner, and is rotatably connected to the inner wall of the shell and connected with a motor; the outer wall of the left end of the shell is connected with a top support device for expanding the mouth, and the top support device comprises a lower top plate and an upper top plate; the lower top plate is fixedly connected to the outer wall of the shell, the right end of the upper top plate is hinged to the outer wall of the shell, the bottom of the upper top plate is connected with a reset spring, the bottom of the reset spring is fixedly connected to the wall of the shell, and the bottom of the upper top plate is also connected with a squeezing wheel; the bottom of the shell is connected with a box body, a plurality of tongue depressor plates are stacked in the box body, the top of the box body is provided with an opening and is communicated with the chute, the inner wall of the bottom of the box body is connected with a top plate spring, and the top of the top plate spring is propped against the bottom of the tongue depressor plate positioned at the lowest part; the rack is connected with a wedge block moving along with the rack, the wedge block is arranged below the extrusion wheel and is matched with the extrusion wheel, and the upper top plate rotates around a hinge point through the extrusion wheel; the left side of the rack is provided with a notch for accommodating only one tongue depressor; the left end of the rack is provided with a limiting part and a separating part, and the separating part is obliquely arranged below the notch; the limiting part is arranged above the notch, and the right end of the limiting part is flush with the left end of the separating part to form an overhanging structure; when the rack moves to the rightmost end of the chute, the right end of the limiting part is flush with the right side wall of the box body.
2. The throat examination apparatus according to claim 1, further comprising a sterilizing assembly comprising an alcohol compartment disposed within the housing, a filler opening being disposed above the alcohol compartment; a baffle is arranged at the bottom outlet of the alcohol bin, and a through hole is formed in the baffle; the baffle fixedly connected with connecting rod, connecting rod with casing sliding connection, the one end of connecting rod passes through the extension spring and connects on the shells inner wall, and the other end wears out the casing is connected with the pull handle.
3. A throat examination apparatus according to claim 2, wherein the housing is provided with a limit slot in which the pull handle is slidably disposed.
4. A throat examination apparatus according to claim 2, wherein the outer wall of the case is provided with a friction roller cooperating with the tongue depressor, the friction roller being arranged below the chute.
5. The throat examination apparatus according to claim 1, wherein a camera and an illumination lamp are further arranged above the housing, and the camera is connected with a display screen.
6. The throat examination apparatus according to claim 1, wherein a lithium battery is provided in the housing, and the housing is further provided with a charging port for charging the lithium battery.
7. The throat examination apparatus according to claim 1, wherein the bottom of the housing is connected with a handle, and the handle is provided with a first button and a second button for controlling forward and reverse rotation of the motor.
8. The throat examination apparatus according to claim 1, wherein the case body has openings in the upper and lower sides, the bottom of the case body is connected with a case cover, and one end of the top plate spring is fixedly connected to the inner wall of the case cover.
9. A method of using a throat examination apparatus according to any one of claims 1 to 8, comprising the steps of:
s1, when the device is used, the motor is controlled to drive the gear to rotate anticlockwise, so that the rack moves to the rightmost end of the chute, at the moment, the right end of the limiting part is flush with the right side wall of the box body, namely the leftmost end of the separating part is flush with the right side wall of the box body;
s2, placing a plurality of tongue depressors in the box body, and propping the top end of the uppermost tongue depressors against the bottom end surface of the limiting part under the action of the elasticity of the top plate spring to finish the installation of the tongue depressors;
s3, extending the shell into the mouth of a patient, controlling the motor to drive the gear to rotate clockwise, enabling the rack to move leftwards, and separating the upper and lower adjacent and closely attached tongue depressors by the separating part, so that the uppermost tongue depressors enter the notch and move leftwards along with the rack; simultaneously, the wedge block moves along with the rack, in the moving process, the wedge block is contacted with the extrusion wheel, the upper top plate rotates around the hinge point, the return spring is stretched, the angle between the upper top plate and the lower top plate is increased and acts on the upper teeth and the lower teeth respectively, so that the mouth is expanded and the opening and closing degree is kept; at the moment, the tongue depressor extends out of the chute to finish the depression of the tongue;
s4, after throat examination is finished, controlling the motor to rotate anticlockwise so as to enable the rack to move rightwards; when the rack moves rightwards, the tongue depressor cannot move rightwards along with the rack and is left outside the shell, and a worker takes down the tongue depressor; the upper top plate rotates back to an initial state under the action of the elasticity of the reset spring while the rack moves; along with the movement of the rack, the rack returns to an initial state, the next tongue depressor is propped against the bottom end of the limiting part under the action of the top plate spring, the automatic replacement of the tongue depressor is completed, and at the moment, one-time inspection is completed;
s5, repeating the steps S1-S4 to finish the next throat examination.
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