CN110664364B - Adjustable ear-nose-throat examination device - Google Patents
Adjustable ear-nose-throat examination device Download PDFInfo
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- CN110664364B CN110664364B CN201910991922.6A CN201910991922A CN110664364B CN 110664364 B CN110664364 B CN 110664364B CN 201910991922 A CN201910991922 A CN 201910991922A CN 110664364 B CN110664364 B CN 110664364B
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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
- A61B1/227—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 ears, i.e. otoscopes
-
- 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
- A61B1/0623—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 for off-axis illumination
-
- 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
- A61B1/0661—Endoscope light sources
- A61B1/0676—Endoscope light sources at distal tip of an endoscope
-
- 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
- A61B1/233—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 nose, i.e. nasoscopes, e.g. testing of patency of Eustachian tubes
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/02—Adjustable operating tables; Controls therefor
- A61G13/04—Adjustable operating tables; Controls therefor tiltable around transverse or longitudinal axis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/02—Adjustable operating tables; Controls therefor
- A61G13/08—Adjustable operating tables; Controls therefor the table being divided into different adjustable sections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/121—Head or neck
Abstract
The invention discloses an adjustable ear-nose-throat examination device, which comprises a base, a gooseneck, an illumination mechanism, a headrest and a rotating shaft, wherein the gooseneck is connected with the base; a fixed block is connected above the base, a rotating block is connected above the fixed block, a telescopic cylinder is connected above the rotating block, and a telescopic rod is sleeved in the telescopic cylinder; the top of the telescopic rod is connected with a seat board, one end of the seat board is connected with a pedal plate through a rotating shaft, the other end of the seat board is connected with a lying plate through a rotating shaft, and a headrest is placed on the lying plate; a connecting block is connected below the lying plate, and a supporting rod is rotatably connected to the connecting block; the gooseneck is provided with the lighting mechanism, so that the gooseneck can be rotationally adjusted in 360 degrees without dead angles, the focal length can be adjusted through the knob, and the use convenience is improved; set up compression airbag in the occipitalia simultaneously, fix patient's head, increase patient's travelling comfort in the inspection process, increase the security of otolaryngology inspection process simultaneously.
Description
Technical Field
The invention belongs to the technical field of ear-nose-throat medical auxiliary equipment, and particularly relates to an adjustable ear-nose-throat examination device.
Background
The otolaryngology department comprises ear parts, nose parts, throat parts and the like, is some parts which are easy to cause diseases of human bodies, is also the most easy disease which is easy to disturb and influences normal work and life of people, and can easily cause the diseases of various other complications if the patients cannot be treated in time; the ear-nose-throat examination must be careful, and the ear-nose-throat is a deep tiny cavity, so that the examination must be carried out by using a special lighting device and an examination instrument.
At present, when doctors diagnose ears, noses and throats, flashlights or other lighting equipment are often adopted as auxiliary lighting tools, so that great inconvenience exists in one-hand operation, the diagnosis of the doctors on patients is influenced, meanwhile, the heads of the patients are not generally fixed, and unnecessary injuries are easily caused to the patients if the heads of the patients move in the examination process.
In the prior art, chinese application patent 201820328623.5 discloses an examination device for otolaryngological department. The electric telescopic cylinder comprises a base plate, a transverse rotating shaft is arranged between two vertical plates, a gear is arranged on the rotating shaft in the shell, a rack meshed with the gear is arranged on a fixed plate in a sliding mode, the rack is connected with a telescopic rod of a first electric telescopic cylinder in the shell, a lower supporting rod is hinged with an upper supporting rod, a cylinder body of a second electric telescopic cylinder is hinged with a second ear plate, a telescopic rod of the second electric telescopic cylinder is hinged with the first ear plate, a third electric telescopic cylinder is arranged on the base plate on the right side of a right side vertical plate, a supporting plate is arranged on a telescopic rod of the third electric telescopic cylinder, and a control box is arranged on the outer side of the right side vertical plate.
Among the prior art, chinese application patent 201822110329.X discloses an apparatus frame is used in otolaryngology branch of academic or vocational study inspection, the on-line screen storage device comprises a base, the lateral wall fixedly connected with rubbish basket of base, the flexible excellent supporting seat of top fixedly connected with hydraulic pressure of base, the first flexible stick of top fixedly connected with of the flexible excellent supporting seat of hydraulic pressure, the first place the platform of output fixedly connected with of the flexible stick of first hydraulic pressure, the axle center department top fixedly connected with bracing piece of first place the platform, the bracing piece is kept away from first place the platform's one end fixedly connected with second place the platform.
However, in the prior art, the lighting device which is convenient to adjust is lacked, the head of the examinee is not fixed, and the patient is easy to be exhausted in a posture for a long time, which causes discomfort to the body.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an adjustable ear-nose-throat examination device, which can be rotationally adjusted in 360 degrees without dead angles by arranging an illuminating mechanism on a gooseneck, can adjust the focal length by a knob, and increases the convenience of use; set up compression air bag in the occipitalia groove simultaneously, fix patient's head, increase patient's travelling comfort in the inspection process, increase inspection process's security simultaneously.
The invention provides the following technical scheme:
an adjustable ear-nose-throat examination device; comprises a base, a gooseneck, a lighting mechanism, a headrest and a rotating shaft; a fixed block is connected above the base, a rotating block is connected above the fixed block, a telescopic cylinder is connected above the rotating block, and a telescopic rod is sleeved in the telescopic cylinder; the top of the telescopic rod is connected with a seat board, one end of the seat board is connected with a pedal plate through a rotating shaft, the other end of the seat board is connected with a lying plate through a rotating shaft, and a headrest is placed on the lying plate; the lying plate is characterized in that a connecting block is connected below the lying plate, and a supporting rod is rotatably connected to the connecting block.
A fixing frame is arranged on one side, close to the lying plate, of the telescopic cylinder, a first lead screw is arranged inside the fixing frame, one end of the first lead screw is connected with a bearing, the bearing is connected with the fixing frame, the other end of the first lead screw is connected with a rotating wheel, and a rotating handle is arranged on the rotating wheel; the first lead screw is sleeved with a movable block which is rotatably connected, the outer side wall of the movable block is connected with a connecting block, and the movable block is rotatably connected with the support rod through the connecting block; the one end that the base is close to the service creeper is equipped with the gooseneck, the end connection of gooseneck has lighting mechanism.
Preferably, the lighting mechanism comprises a shell, and the shell is in a circular truncated cone structure; the outer side of the thin end portion of the shell is provided with a knob, the knob is connected with a second lead screw, the second lead screw penetrates through the shell and is movably connected with the shell in a clearance mode, a moving frame is arranged on the second lead screw, an internal thread is formed in one end of the moving frame, and the moving frame is rotatably connected with the second lead screw.
Preferably, the inner sides of the moving frames are provided with sliding grooves; the other end of the second lead screw is connected with a limiting block, the two ends of the limiting block are both connected with sliding blocks, and the sliding blocks are connected with the sliding grooves in a sliding matching mode.
Preferably, one end of the moving frame, which is far away from the second screw rod, is provided with an illuminating lamp; a reflector is arranged close to the illuminating lamp and connected with the shell, and the section of the reflector is in a splayed shape; and a light transmitting mirror is arranged outside the reflector and connected with the shell.
Preferably, the upper part of the headrest is provided with a cushion, the center of the headrest is provided with a headrest groove, the inner surface of the headrest groove is provided with a compression air bag, and a plurality of springs are arranged below the compression air bag; the compression air bag is connected with an air pipe, the compression air bag is communicated with the inflation air bag through the air pipe, and an exhaust valve is arranged on the air pipe.
Preferably, the shape of the pillow groove is semi-ellipsoid; the pedal is L-shaped.
Preferably, the compression air bag is made of rubber.
Preferably, the springs are soft springs, and the number of the springs is three.
Preferably, the volume of the compression airbag is V1 when the compression airbag is not inflated, and the volume of the compression airbag after the compression airbag is inflated is V2; in order to increase the degree of fixation of the compression balloon to the head and at the same time prevent the head from being uncomfortable by too much pressure, the relationship V2/V1 satisfies 1 or more and 3 or less.
Preferably, in order to increase the compressive resistance and the strain of the compression balloon, the compression balloon bears the pressure P of 1-50 MPa; the rebound rate k of the compression air bag is 30-85%, and the pressure P and V1, V2 and k satisfy the following relations:
k·V1＝(a/N)1/2*(2TP/V2)；
wherein the unit of P is megapascal; n is the gas molar mass, a is a constant, and T is the temperature; the units of V1 and V2 are cm3。
Preferably, the moving block sleeved on the screw rod is provided with a screw hole, and the screw hole is matched with the screw rod; and the internal thread of the moving frame on the second screw rod is matched with the second screw rod.
Preferably, in order to improve the matching precision and the service life of the screw rod and the moving block, the hardness Y of the screw rod, the moving frame and the threaded matching part of the moving block is 54-62HRC, and the screw rod, the moving frame and the moving block are bentThe uniform strength Q is 185-240 MPa; in particular, the hardness Y and the yield strength Q satisfy the relationship of Y ═ beta.Q1/2(ii) a Wherein beta is a hardness adjusting coefficient, and the value range is 3.6-4.5.
Preferably, in order to increase the fixing degree of the compression airbag to the head, prevent too large pressure, cause discomfort to the head, and cooperate with the threaded lead screw to improve the fitting accuracy and the service life of the lead screw and the moving block, the adjustable ear-nose-throat examination apparatus satisfies the following relationships among the hardness Y, the yield strength Q, the spring rate k of the compression airbag, the volume V1 when the compression airbag is not inflated, and the volume V2 after being inflated:
k·Q＝λ·(V2/V1)·Y；
wherein, the value range of the lambda relation factor is 0.45-3.24.
Compared with the prior art, the invention has the following beneficial effects:
(1) the adjustable ear-nose-throat examination device is characterized in that the gooseneck is provided with the illuminating mechanism; can carry out arbitrary angle modulation to lighting mechanism, be equipped with screw mechanism simultaneously in lighting mechanism inside, can adjust the focus of light, increase the convenience in the use, relieve doctor's both hands and do more accurate inspection.
(2) The adjustable ear-nose-throat examination device is characterized in that a headrest arranged on a lying plate is provided with a pillow groove, and the head of an examinee is fixed through a compression air bag arranged in the pillow groove, so that unnecessary misoperation of the examinee and unnecessary injury are prevented; meanwhile, the comfort of the person to be examined can be improved in long-time examination.
(3) The adjustable ear-nose-throat examination device limits the relation between P and V1, V2 and k in order to increase the compressive resistance and the strain of the compression air bag, and further improves the use safety and the comfort.
(4) According to the adjustable ear-nose-throat examination device, the rotating wheel is arranged to drive the first lead screw to rotate, the moving block is further driven to rotate, the pull rod is driven to adjust the height of the lying plate, the structure is simple, the manufacturing cost is low, great convenience is brought to a doctor during use, adjustment is facilitated, and the accuracy of ear-nose-throat examination is improved.
(5) According to the adjustable ear-nose-throat examination device, the matching precision of the screw rod and the moving block is improved and the service life is prolonged by setting the relation between the hardness Y and the yield strength Q.
(6) According to the adjustable ear-nose-throat examination device, the hardness Y, the yield strength Q, the rebound rate k of the compression air bag, the volume V1 when the compression air bag is not inflated and the volume V2 after the compression air bag is inflated are set to meet the requirements, so that the adjustable ear-nose-throat examination device increases the fixing degree of the compression air bag to the head, prevents the head from being uncomfortable due to too high pressure, can cooperate with the threaded lead screw, improves the matching precision of the lead screw and the moving block and prolongs the service life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the illumination mechanism of the present invention.
Fig. 3 is a top view of the headrest of the present invention.
Fig. 4 is a schematic view of the inner structure of the headrest of the present invention.
In the figure: 1. a base; 2. a gooseneck; 3. an illumination mechanism; 4. a headrest; 5. fixing blocks; 6. rotating the block; 7. a telescopic cylinder; 8. a telescopic rod; 9. a lying board; 10. a rotating shaft; 11. a seat plate; 12. pedaling; 13. connecting blocks; 14. turning a handle; 15. a rotating wheel; 16. A moving block; 17. a first lead screw; 18. a fixed mount; 19. a bearing; 20. a strut; 301. a housing; 302. a reflective mirror; 303. a knob; 304. a second lead screw; 305. A movable frame; 306. a chute; 307. a limiting block; 308. a slider; 309. an illuminating lamp; 401. a pillow groove; 402. an air-filled bag; 403. an air tube; 404. an exhaust valve; 405. A soft cushion; 406. compressing the air bag; 407. a spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, an adjustable ear-nose-throat examination device; comprises a base 1, a gooseneck 2, a lighting mechanism 3, a headrest 4 and a rotating shaft 10; a fixed block 5 is connected above the base 1, a rotating block 6 is connected above the fixed block 5, a telescopic cylinder 7 is connected above the rotating block 6, and a telescopic rod 8 is sleeved in the telescopic cylinder 7; the top of the telescopic rod 8 is connected with a seat plate 11, one end of the seat plate 11 is connected with a pedal plate 12 through a rotating shaft 10, the other end of the seat plate 11 is connected with a lying plate 9 through the rotating shaft 10, and a headrest 4 is placed on the lying plate 9; a connecting block 13 is connected below the lying plate 9, and a supporting rod 20 is rotatably connected on the connecting block 13;
a fixing frame 18 is arranged on one side, close to the lying plate 9, of the telescopic cylinder 7, a first screw rod 17 is arranged inside the fixing frame 18, one end of the first screw rod 17 is connected with a bearing 19, the bearing 19 is connected with the fixing frame 18, the other end of the first screw rod 17 is connected with a rotating wheel 15, and a rotating handle 14 is arranged on the rotating wheel 15; a moving block 16 which is rotatably connected is sleeved on the first lead screw 17, the outer side wall of the moving block 16 is connected with a connecting block 13, and the moving block 16 is rotatably connected with the support rod 20 through the connecting block 13; one end of the base 1 close to the lying plate 9 is provided with a gooseneck 2, and the end part of the gooseneck 2 is connected with a lighting mechanism 3.
The illuminating mechanism 3 comprises a shell 301, and the shell 301 is in a circular truncated cone structure; the outer side of the thin end of the shell 301 is provided with a knob 303, the knob 303 is connected with a second screw rod 304, the second screw rod 304 penetrates through the shell 301 and is movably connected with the shell 301 in a clearance mode, the second screw rod 304 is provided with a moving frame 305, one end of the moving frame 305 is provided with an internal thread, and the moving frame 305 is rotatably connected with the second screw rod 304.
The inner sides of the moving frames 305 are all provided with sliding grooves 306; the other end of the second lead screw 304 is connected with a limiting block 307, both ends of the limiting block 307 are connected with sliding blocks 308, and the sliding blocks 308 are connected with the sliding grooves 306 in a sliding matching mode.
An illuminating lamp 309 is arranged at one end of the moving frame 305 far away from the second screw rod 304; a reflector 302 is arranged near the illuminating lamp 309, the reflector 302 is connected with the shell 301, and the section of the reflector 302 is in a shape of a Chinese character 'ba'; a transparent mirror is arranged outside the reflective mirror 302 and connected with the shell 301.
The upper part of the headrest 4 is provided with a cushion 405, the center of the headrest 4 is provided with a headrest groove 401, the inner surface of the headrest groove 401 is provided with a compression air bag 406, and a plurality of springs 407 are arranged below the compression air bag 406; the compression air bag 406 is connected with an air pipe 403, the compression air bag 406 is communicated with the inflatable air bag 402 through the air pipe 403, and the air pipe 403 is provided with an exhaust valve 404.
The shape of the pillow groove 401 is a semi-ellipsoid shape; the kickplate 12 is "L" shaped. The compression bladder 406 is made of rubber. The springs 407 are soft springs, and the number of the springs 407 is preferably three.
The telescopic cylinder 7 is one of an electric telescopic cylinder, a hydraulic telescopic cylinder and the like.
Example two:
referring to fig. 1-4, an adjustable ear-nose-throat examination device; comprises a base 1, a gooseneck 2, a lighting mechanism 3, a headrest 4 and a rotating shaft 10; a fixed block 5 is connected above the base 1, a rotating block 6 is connected above the fixed block 5, a telescopic cylinder 7 is connected above the rotating block 6, and a telescopic rod 8 is sleeved in the telescopic cylinder 7; the top of the telescopic rod 8 is connected with a seat plate 11, one end of the seat plate 11 is connected with a pedal plate 12 through a rotating shaft 10, the other end of the seat plate 11 is connected with a lying plate 9 through the rotating shaft 10, and a headrest 4 is placed on the lying plate 9; a connecting block 13 is connected below the lying plate 9, and a supporting rod 20 is rotatably connected on the connecting block 13;
a fixing frame 18 is arranged on one side, close to the lying plate 9, of the telescopic cylinder 7, a first screw rod 17 is arranged inside the fixing frame 18, one end of the first screw rod 17 is connected with a bearing 19, the bearing 19 is connected with the fixing frame 18, the other end of the first screw rod 17 is connected with a rotating wheel 15, and a rotating handle 14 is arranged on the rotating wheel 15; a moving block 16 which is rotatably connected is sleeved on the first lead screw 17, the outer side wall of the moving block 16 is connected with a connecting block 13, and the moving block 16 is rotatably connected with the support rod 20 through the connecting block 13; one end of the base 1 close to the lying plate 9 is provided with a gooseneck 2, and the end part of the gooseneck 2 is connected with a lighting mechanism 3.
The illuminating mechanism 3 comprises a shell 301, and the shell 301 is in a circular truncated cone structure; the outer side of the thin end of the shell 301 is provided with a knob 303, the knob 303 is connected with a second screw rod 304, the second screw rod 304 penetrates through the shell 301 and is movably connected with the shell 301 in a clearance mode, the second screw rod 304 is provided with a moving frame 305, one end of the moving frame 305 is provided with an internal thread, and the moving frame 305 is rotatably connected with the second screw rod 304.
The inner sides of the moving frames 305 are all provided with sliding grooves 306; the other end of the second lead screw 304 is connected with a limiting block 307, both ends of the limiting block 307 are connected with sliding blocks 308, and the sliding blocks 308 are connected with the sliding grooves 306 in a sliding matching mode.
An illuminating lamp 309 is arranged at one end of the moving frame 305 far away from the second screw rod 304; a reflector 302 is arranged near the illuminating lamp 309, the reflector 302 is connected with the shell 301, and the section of the reflector 302 is in a shape of a Chinese character 'ba'; a transparent mirror is arranged outside the reflective mirror 302 and connected with the shell 301.
The upper part of the headrest 4 is provided with a cushion 405, the center of the headrest 4 is provided with a headrest groove 401, the inner surface of the headrest groove 401 is provided with a compression air bag 406, and a plurality of springs 407 are arranged below the compression air bag 406; the compression air bag 406 is connected with an air pipe 403, the compression air bag 406 is communicated with the inflatable air bag 402 through the air pipe 403, and the air pipe 403 is provided with an exhaust valve 404.
The shape of the pillow groove 401 is a semi-ellipsoid shape; the kickplate 12 is "L" shaped.
The compression bladder 406 is made of rubber.
The springs 407 are soft springs, and the number of the springs 407 is preferably three.
The volume of the compression airbag 406 is V1 when it is not inflated, and V2 when it is inflated; in order to increase the degree of fixation of the compression balloon 406 to the head while preventing the pressure from being too large to cause discomfort to the head, the relationship V2/V1 satisfies 1 or more and 3 or less.
In order to increase the compressive resistance and the strain of the compression balloon 406, the compression balloon 406 is subjected to a pressure P of 1-50 MPa; the rebound rate k of the compression air bag 406 is 30-85%, and the pressure P and V1, V2 and k satisfy the following relations:
k·V1＝(a/N)1/2*(2TP/V2)；
wherein the unit of P is megapascal; n is the gas molar mass, a is a constant, and T is the temperature.
The moving block sleeved on the screw rod is provided with a screw hole, and the screw hole is matched with the screw rod; and the internal thread of the moving frame on the second screw rod is matched with the second screw rod.
In order to improve the matching precision and the service life of the screw rod and the moving block, the hardness Y of the screw rod, the moving frame and the part of the moving block in threaded matching is 54-62HRC, and the yield strength Q is 185-240 MPa; in particular, the hardness Y and the yield strength Q satisfy the relationship of Y ═ beta.Q1/2(ii) a Wherein beta is a hardness adjusting coefficient, and the value range is 3.6-4.5.
In order to increase the fixing degree of the compression air bag to the head, prevent too large pressure, cause discomfort to the head, and have a synergistic effect with the matching of the threaded screw rod, improve the matching precision and the service life of the screw rod and the moving block, the adjustable ear-nose-throat examination device has the following relations among the hardness Y, the yield strength Q, the rebound rate k of the compression air bag, the volume V1 when the compression air bag is not inflated, and the volume V2 after the compression air bag is inflated:
k·Q＝λ·(V2/V1)·Y；
wherein, the value range of the lambda relation factor is 0.45-3.24.
The device obtained by the technical scheme is an adjustable ear-nose-throat examination device, the lighting mechanism 3 is arranged on the gooseneck 2, the device can be rotationally adjusted in 360 degrees without dead angles, the focal length can be adjusted through the knob 303, and the convenience in use is improved; meanwhile, a compression air bag 406 is arranged in the pillow groove 401 to fix the head of the patient, so that the comfort of the patient is improved in the examination process, and the safety of the examination process is improved; the runner 15 that sets up drives first lead screw 17 and rotates, further makes movable block 16 rotate, drives the pull rod and carries out altitude mixture control to service creeper 9, simple structure, low in manufacturing cost brings very big convenience for the doctor when using, increases the accuracy of otolaryngology inspection.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An adjustable ear-nose-throat examination device; comprises a base (1), a gooseneck (2), a lighting mechanism (3), a headrest (4) and a rotating shaft (10); the telescopic device is characterized in that a fixed block (5) is connected above the base (1), a rotating block (6) is connected above the fixed block (5), a telescopic cylinder (7) is connected above the rotating block (6), and a telescopic rod (8) is sleeved in the telescopic cylinder (7); the top of the telescopic rod (8) is connected with a seat board (11), one end of the seat board (11) is connected with a pedal board (12) through a rotating shaft (10), the other end of the seat board (11) is connected with a lying board (9) through the rotating shaft (10), and a headrest (4) is placed on the lying board (9); a connecting block (13) is connected below the lying plate (9), and a supporting rod (20) is rotatably connected on the connecting block (13);
a fixing frame (18) is arranged on one side, close to the lying plate (9), of the telescopic cylinder (7), a first screw rod (17) is arranged inside the fixing frame (18), one end of the first screw rod (17) is connected with a bearing (19), the bearing (19) is connected with the fixing frame (18), the other end of the first screw rod (17) is connected with a rotating wheel (15), and a rotating handle (14) is arranged on the rotating wheel (15); a moving block (16) which is rotatably connected is sleeved on the first lead screw (17), the outer side wall of the moving block (16) is connected with a connecting block (13), and the moving block (16) is rotatably connected with the support rod (20) through the connecting block (13); a gooseneck (2) is arranged at one end, close to the lying plate (9), of the base (1), and the end part of the gooseneck (2) is connected with a lighting mechanism (3);
the upper part of the headrest (4) is provided with a cushion (405), the center of the headrest (4) is provided with a headrest groove (401), the inner surface of the headrest groove (401) is provided with a compression air bag (406), and a plurality of springs are arranged below the compression air bag (406); the compression air bag (406) is connected with an air pipe (403); the volume of the compression airbag is V1 when the compression airbag is not inflated, and the volume of the compression airbag after the compression airbag is inflated is V2; in order to increase the fixing degree of the compression air bag to the head and prevent the pressure from being too large and causing discomfort to the head, the relation V1/V2 satisfies the relation of more than or equal to 1 and less than or equal to 3; in order to increase the compressive resistance and the strain of the compression balloon, the compression balloon bears the pressure P of 1-50 MPa; the rebound rate k of the compression air bag is 30-85%, and the pressure P and V1, V2 and k satisfy the following relations:
k·V1=（a/N）1/2(2 TP/V2); wherein N is the gas molar mass, a is a constant, and T is the temperature.
2. The adjustable ear-nose-throat examination device according to claim 1, wherein the illumination mechanism (3) comprises a housing (301), the housing (301) is in a circular truncated cone structure; the utility model discloses a portable electronic device, including shell (301), shell (301) and knob (303), the thin tip outside of shell (301) is equipped with knob (303), knob (303) are connected with second lead screw (304), second lead screw (304) run through shell (301) and with shell (301) clearance swing joint, be equipped with on second lead screw (304) and remove frame (305), the internal thread has been seted up to the one end of removing frame (305), remove frame (305) with second lead screw (304) rotate and are connected.
3. The adjustable ear-nose-throat examination device according to claim 2, wherein the inner side of the moving frame (305) is provided with a sliding groove (306); the other end of the second screw rod (304) is connected with a limiting block (307), two ends of the limiting block (307) are connected with sliding blocks (308), and the sliding blocks (308) are connected with the sliding grooves (306) in a sliding matching mode.
4. The adjustable ear-nose-throat examination device according to claim 3, wherein an illuminating lamp (309) is arranged at one end of the movable frame (305) far away from the second screw rod (304); a reflector (302) is arranged close to the illuminating lamp (309), the reflector (302) is connected with the shell (301), and the section of the reflector (302) is in a shape of Chinese character 'ba'; and a light-transmitting mirror is arranged outside the reflective mirror (302) and is connected with the shell (301).
5. The adjustable ear, nose and throat examination device according to claim 1, wherein the shape of the pillow case (401) is semi-ellipsoid; the pedal plate (12) is L-shaped.
6. The adjustable ear-nose-throat examination device according to claim 1, wherein the compression air bag (406) is communicated with the inflation air bag (402) through an air pipe (403), and the air pipe (403) is provided with an exhaust valve (404).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910991922.6A CN110664364B (en) | 2019-10-18 | 2019-10-18 | Adjustable ear-nose-throat examination device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910991922.6A CN110664364B (en) | 2019-10-18 | 2019-10-18 | Adjustable ear-nose-throat examination device |
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| CN110664364A CN110664364A (en) | 2020-01-10 |
| CN110664364B true CN110664364B (en) | 2021-11-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111529185B (en) * | 2020-06-10 | 2021-11-05 | 徐金霞 | Auxiliary device is used in nursing of rheumatism immunity branch of academic or vocational study |
| CN113558916B (en) * | 2021-08-25 | 2023-01-13 | 河北医科大学第二医院 | Hospital is with intelligent heart brain electricity signal detection device |
| CN114272065B (en) * | 2021-12-21 | 2023-09-15 | 郑州大学第三附属医院(河南省妇幼保健院) | Bionic fetal head position correction system for obstetrical antenatal care |
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