CN113975074A

CN113975074A - Head positioning device for ear-nose-throat detection and using method thereof

Info

Publication number: CN113975074A
Application number: CN202111301415.9A
Authority: CN
Inventors: 邢媛媛; 周纪妹; 张莉; 李恒丽; 霍进进; 郭宁宁; 周胜男
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-01-28
Anticipated expiration: 2041-11-04
Also published as: CN113975074B

Abstract

The invention discloses head positioning equipment for ear-nose-throat detection and a using method thereof, wherein the head positioning equipment comprises a base and a telescopic rod, wherein the top end of the base is rotatably provided with a rotary seat, and the top end of the telescopic rod is connected with a fixed frame through a mounting frame; the bottom of the fixed frame is rotatably provided with a bracket, one side of the fixed frame, which is far away from the telescopic rods, is provided with a movable frame, the outer part of the movable frame is provided with a housing, the middle part of the movable frame is slidably provided with a plurality of telescopic rods, and one end of each telescopic rod is provided with a limiting assembly; the bottom of the bracket is provided with a plane mirror and a lighting lamp. Has the advantages that: through setting up the mount and the adjustable shelf of mutually supporting, can realize pressing from both sides tight patient's head, and can carry out automatic shrink when touching patient's head at the tight in-process telescopic link of clamp to the realization is evenly pressed from both sides tight patient's head, then utilizes spacing subassembly to carry on spacingly to the telescopic link, has solved the inhomogeneous and tight not good problem of clamp effect of current clamp force.

Description

Head positioning device for ear-nose-throat detection and using method thereof

Technical Field

The invention relates to the technical field of medical appliances, in particular to head positioning equipment for ear-nose-throat detection and a using method thereof.

Background

The otolaryngology department is a common department of a hospital, is mainly used for diagnosing and treating diseases of ears, noses, throats and heads and necks, has a diagnosis range including the parts of ears, noses, throats, heads and necks and the like, is a part of a human body which is easy to cause diseases, is a disease which is easy to disturb and influence normal work and life of people, and is easy to cause various other diseases if the timely treatment is not obtained. When a patient in the otolaryngological department receives treatment by a doctor, the head of the patient is required to be kept fixed in a certain posture, so that the examination by the doctor is facilitated. Especially for child patients who cannot be matched, a plurality of parents are often needed to assist in fixing the sick children, and treatment is easily interrupted due to unstable fixation.

Patent number CN202010728056.4 discloses a head fixing device suitable for otolaryngology branch of academic or vocational study, this patent is through adopting the annular air channel in the high-pressure gas entering head support frame to promote the telescopic link and remove to patient's head, thereby the realization presss from both sides tight fixedly to patient's head, and this patent can realize fixing patient's head in theory, but this patent still has following defect in the in-service use process:

1. the head of a patient is clamped by adopting a mode of pushing the telescopic rods by high-pressure gas, but the head shape and the size of each person are different, when the telescopic rods are pushed by gas, different pressures are applied to different parts of the head of the patient due to the same stroke of each group of telescopic rods, so that the problems of unstable clamping and uneven clamping force are caused;

2. the head support frame is only adopted to clamp the head, and a head support device is not arranged, so that when the detection time is too long, the head of a patient is fatigued, the head of the patient can shake unconsciously, the detection is influenced, and the comfort level of the patient is reduced;

3. in order to detect otolaryngology in the actual operation in-process, the doctor needs the different angles of patient adjustment in order to realize the purpose that detects, and prior art and this patent do not all realize carrying out nimble rotation to the patient to can lead to detection efficiency low and reduce patient's comfort level.

In view of the above, the present invention provides a head positioning device for ear-nose-throat detection and a method for using the same, so as to solve at least the above technical problems in the prior art.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides head positioning equipment for ear-nose-throat detection and a use method thereof, and the head positioning equipment has the advantages of simple structure, convenience in operation, uniform clamping force, good clamping effect and improvement of the comfort level of a patient, and further solves the problems that the head of the patient cannot be clamped and the clamping is unstable in the prior art.

In order to realize the advantages of simple structure, convenient operation, uniform clamping force, good clamping effect and improvement of the comfort level of a patient, the invention adopts the following specific technical scheme:

a head positioning device for ear-nose-throat detection and a using method thereof comprise a base and a telescopic rod, wherein a rotary seat is rotatably arranged at the top end of the base, the telescopic rod is fixedly arranged on one side of the rotary seat, and a fixing frame is connected and arranged at the top end of the telescopic rod through a mounting frame; the bottom of the fixed frame is rotatably provided with a bracket, one side of the fixed frame, which is far away from the telescopic rods, is provided with a movable frame, the movable frame is connected with the fixed frame through threaded rods and guide rods, a housing is arranged outside the movable frame, the middle of the movable frame is provided with a plurality of telescopic rods in a sliding manner, and one end of each telescopic rod, which is positioned inside the housing, is provided with a limiting assembly; the top of bracket is provided with the protection pad, and the bottom of bracket is provided with the level crossing through the connecting rod connection, and the top of connecting rod is inlayed and is provided with the light.

Preferably, support patient's head in order to guarantee to prevent that the patient is tired, the fixed supporting pad that is provided with of inner wall of mount, the telescopic link is kept away from the one end of spacing subassembly and is provided with the rubber pad.

Preferably, in order to automatically clamp the head of the patient, the two sides of the middle part of the movable frame are fixedly provided with the micro motor and the guide rod; the output pot head of micro motor is equipped with the threaded rod, and the both sides of mount all seted up with threaded rod matched with screw hole and with guide arm matched with through-hole.

Preferably, in order to realize the quick reset of the bracket, both sides of the bottom of the fixed frame are fixedly provided with ratchet wheels penetrating through the top of the bracket; the inner side of the top of the bracket and the position below the ratchet wheel are rotatably provided with elastic sheets, the top of each elastic sheet is provided with a first spring, the front of each elastic sheet is fixedly provided with a knob, and the two sides of the bottom of the fixing frame and the position outside the ratchet wheel are wound with rotary springs; the inner side end of the rotary spring is fixedly connected with the fixing frame, and the outer side end of the rotary spring is fixedly connected with the bracket.

Preferably, in order to realize the automatic shrink of telescopic link, the middle part cover of telescopic link is equipped with the second spring, and the telescopic link is kept away from the one end of rubber pad and is located the inside of housing and connects soon and be provided with spacing post.

Preferably, in order to fix the limiting columns and ensure that the clamping force is uniform and stable, the limiting assembly comprises two groups of limiting blocks which are symmetrically arranged, the limiting columns are arranged between the limiting blocks, and iron cores are fixedly arranged at the ends, far away from each other, of the two groups of limiting blocks; a third spring is fixedly arranged at one end of the iron core, which is far away from the limiting block, and one end of the third spring, which is far away from the iron core, is fixedly connected with the inner wall of the housing through a spring seat; a plurality of spacing grooves have been seted up to the even equidistance in the outside of spacing post, and one side that two sets of stoppers are close to each other all is provided with the spacing strip with spacing groove matched with, and the outside winding of iron core is provided with the coil, and the coil winding opposite direction in the iron core outside that is located same group of spacing post top and below, and micro motor passes through sensor and adjustable shelf fixed connection, and the sensor is connected with micro motor and coil electricity.

Preferably, in order to fix the limiting column and ensure that the clamping force is uniform and stable, the limiting assembly comprises a bottom plate, a first L-shaped limiting rod, a second L-shaped limiting rod, a first locking screw, a second locking screw, a guide plate, a base plate and a mounting plate, wherein the guide plate is arranged at the lower end of the bottom plate through the screws and the base plate, and the base plate is arranged between the bottom plate and the guide plate and close to two ends of the guide plate; the upper end of the bottom plate is provided with a pair of mounting plates, and the upper ends of the mounting plates are provided with mounting holes; an L-shaped limiting rod I and an L-shaped limiting rod II are arranged between the bottom plate and the guide plate, and a locking screw I and a locking screw II are respectively arranged at the upper ends of the L-shaped limiting rod I and the L-shaped limiting rod II; the first L-shaped limiting rod and the second L-shaped limiting rod can slide relatively along the guide plate.

According to another aspect of the present invention, there is also provided a method of using a head positioning apparatus for ear-nose-throat detection, the method comprising the steps of:

firstly, properly adjusting the height of a telescopic rod according to the height of a patient;

the head of the patient is placed between the fixed frame and the movable frame, and the bracket is rotated to support the head of the patient;

starting the micro motor, and driving the fixed frame and the movable frame to approach each other by the micro motor;

the telescopic rod is fixed by utilizing the limiting assembly, and the head of the patient is fixed by matching the telescopic rod with the fixing frame;

the ear, nose and throat of the patient are detected by rotating the rotary seat.

Compared with the prior art, the invention provides the head positioning equipment for ear-nose-throat detection and the using method thereof, and the head positioning equipment has the following beneficial effects:

(1) the utility model discloses a patient's head, including the telescopic link, the telescopic link is fixed on the telescopic link, the fixed frame and the adjustable shelf that mutually support through setting up, can realize pressing from both sides tight patient's head and press from both sides tightly, and can carry out automatic shrink when touching patient's head at the tight in-process telescopic link of clamp to the realization is evenly pressed from both sides tight patient's head, and utilizes supporting pad and rubber pad to protect, then utilizes spacing subassembly to carry on spacingly to the telescopic link, has solved the inhomogeneous and tight not good problem of clamp effect of current clamp force.

(2) Through setting up the bracket and set up the supporting pad bottom the bracket, can realize supporting and protecting patient's head to realize that the patient can not produce tired out the sense at long-time testing process, and control the bracket through utilizing the ratchet, can guarantee the unidirectional rotation of bracket, thereby improve the stability that the bracket supported, control the bracket through adopting gyration spring in addition, can realize the quick reset of bracket.

(3) Through connecting the sensor between micro motor and adjustable shelf, can utilize the sensor to detect the produced counterforce of adjustable shelf when compressing tightly patient's head, when the packing force reachd the default, the sensor can feed back and make micro motor stall to the realization is to the accurate control of clamping-force, has guaranteed patient's comfort level.

(4) Through setting up spacing subassembly to spacing groove matched with spacing on the inner wall setting of stopper and spacing post, can realize utilizing the stopper that two sets of symmetries set up to press from both sides tightly spacing post, thereby prevent stretching out and drawing back of telescopic link, the telescopic link is fixed after can closely laminating patient's head like this, thereby effectually prevents that adjustable shelf and mount from droing, and then has solved the current problem that fixing device presss from both sides tight effect unstability.

(5) The rotary seat is arranged, so that the patient can be flexibly rotated according to the requirements of a doctor in the detection process, the detection efficiency is improved, the telescopic rod can be used for flexibly adjusting the height of the fixing frame according to the height of the patient, in addition, the plane mirror and the illuminating lamp can assist the doctor to observe the nose of the patient, and the detection efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a head positioning device for ear-nose-throat detection according to an embodiment of the invention;

FIG. 2 is a schematic diagram of the engagement of a fixed frame and a movable frame in the head positioning device for ear-nose-throat detection according to the embodiment of the invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a cross-sectional view of a head positioning device mount and a movable mount for ear-nose-throat detection according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a spacing post in the head positioning device for ear-nose-throat detection according to the embodiment of the invention;

FIG. 6 is a schematic diagram of the positions of the ratchet and the return spring in the head positioning device for ear-nose-throat detection according to the embodiment of the present invention;

FIG. 7 is a schematic view of the assembly of the position limiting component and the housing of the head positioning device for ear-nose-throat detection according to the embodiment of the invention;

fig. 8 is a schematic structural diagram of a limiting assembly in the head positioning device for ear-nose-throat detection according to the embodiment of the invention.

In the figure:

1. a base; 2. a telescopic rod; 3. rotating the seat; 4. a mounting frame; 5. a fixed mount; 6. a bracket; 7. a movable frame; 8. a threaded rod; 9. a guide bar; 10. a housing; 11. a telescopic rod; 12. a limiting component; 1201. a limiting block; 1202. an iron core; 1203. a third spring; 1204. a spring seat; 1205. a limiting strip; 1206. a coil; 13. a protective pad; 14. a connecting rod; 15. a plane mirror; 16. an illuminating lamp; 17. a support pad; 18. a rubber pad; 19. a micro motor; 20. a threaded hole; 21. a through hole; 22. a ratchet wheel; 23. a spring plate; 24. a first spring; 25. a knob; 26. a return spring; 27. a second spring; 28. a limiting column; 2801. a limiting groove; 29. a sensor.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

Example 1:

the invention is further described with reference to the accompanying drawings and specific embodiments, and as shown in fig. 1, the embodiment discloses a head positioning device for ear-nose-throat detection, which comprises a base 1 and a telescopic rod 2, wherein a rotary seat 3 is rotatably arranged at the top end of the base 1, the middle part of the rotary seat 3 is rotatably connected with the top part of the base 1, a bearing is clamped and arranged in the rotary seat 3, the telescopic rod 2 is fixedly arranged at one side of the rotary seat 3, and the top end of the telescopic rod 2 is connected with a fixed frame 5 through a mounting frame 4; the bottom of the fixed frame 5 is rotatably provided with a bracket 6, one side of the fixed frame 5, which is far away from the telescopic rods 2, is provided with a movable frame 7, the movable frame 7 is connected with the fixed frame 5 through a threaded rod 8 and a guide rod 9, the outer part of the movable frame 7 is provided with a housing 10, the middle part of the movable frame 7 is provided with a plurality of telescopic rods 11 in a sliding manner, and one end of each telescopic rod 11, which is positioned in the housing 10, is provided with a limiting component 12; the top of bracket 6 is provided with protection pad 13, and protection pad 13 preferably adopts the silica gel material, and the bottom of bracket 6 is provided with level crossing 15 through connecting rod 14 connection, and connecting rod 14's top is inlayed and is provided with light 16, and the fixed supporting pad 17 that is provided with of inner wall of mount 5, and the one end that spacing subassembly 12 was kept away from to telescopic link 11 is provided with rubber pad 18.

Through setting up mount 5 and adjustable shelf 7 that mutually support, can realize pressing from both sides tight patient's head, and can carry out automatic shrink when touching patient's head at the tight in-process telescopic link 11 of clamp to the realization is evenly pressed from both sides tight patient's head, then utilizes spacing subassembly 12 to carry out spacingly to telescopic link 11, has solved the inhomogeneous and not good problem of tight effect of clamp of current clamp force.

In one embodiment, as shown in fig. 2 and fig. 6, the micro motor 19 is fixedly disposed on both sides of the middle portion of the movable frame 7, and the micro motor 19 has a self-locking function and a guide rod 9; the output end of the micro motor 19 is sleeved with a threaded rod 8, and both sides of the fixing frame 5 are provided with a threaded hole 20 matched with the threaded rod 8 and a through hole 21 matched with the guide rod 9.

By starting the micro motor 19, the micro motor 19 rotates and drives the threaded rod 8 to rotate, the threaded rod 8 drives the fixed frame 5 and the movable frame 7 to be close to each other under the limitation of the guide rod 9, and the micro motor 19 rotates reversely to drive the fixed frame 5 and the movable frame 7 to be away from each other, so that the head of a patient is clamped and released.

In one embodiment, as shown in fig. 3, both sides of the bottom of the fixing frame 5 are fixedly provided with ratchets 22 penetrating the top of the bracket 6; an elastic sheet 23 is rotatably arranged on the inner side of the top of the bracket 6 and below the ratchet wheel 22, a first spring 24 is arranged on the top of the elastic sheet 23, a knob 25 is fixedly arranged on the front surface of the elastic sheet 23, rotary springs 26 are wound on the two sides of the bottom of the fixed frame 5 and positioned on the outer side of the ratchet wheel 22, and the rotary springs 26 are in a compressed state; the inner end of the rotary spring 26 is fixedly connected with the fixed frame 5, and the outer end of the rotary spring 26 is fixedly connected with the bracket 6.

The use principle of the bracket 6 is as follows: the bracket 6 is rotated downwards to ensure the head of the patient to be supported, after the detection is finished, the knob 25 is rotated, the knob 25 drives the elastic sheet 23 to rotate and remove the limitation on the ratchet wheel 22, and meanwhile, the bracket 6 is reset under the driving of the rotary spring 26.

In one embodiment, as shown in fig. 4, 7 and 8, a second spring 27 is sleeved in the middle of the telescopic rod 11, a limiting column 28 is screwed in the end of the telescopic rod 11 away from the rubber pad 18 and located inside the housing 10, the limiting assembly 12 includes two sets of symmetrically arranged limiting blocks 1201, the limiting column 28 is arranged between the limiting blocks 1201, and an iron core 1202 is fixedly arranged at the end of each two sets of limiting blocks 1201 away from each other; a third spring 1203 is fixedly arranged at one end of the iron core 1202 far away from the limiting block 1201, and one end of the third spring 1203 far away from the iron core 1202 is fixedly connected with the inner wall of the housing 10 through a spring seat 1204; as shown in fig. 5, a plurality of spacing grooves 2801 have been seted up to the even equidistance in the outside of spacing post 28, and one side that two sets of stopper 1201 are close to each other all is provided with spacing strip 1205 with spacing groove 2801 matched with, and the outline of spacing strip 1205 is provided with the arc chamfer, thereby can block into spacing groove 2801 fast, the outside winding of iron core 1202 is provided with the coil 1206, and the coil 1206 winding opposite direction that is located the iron core 1202 outside of same group of spacing post 28 top and below, micro motor 19 passes through sensor 29 and adjustable shelf 7 fixed connection, sensor 29 is miniature tension sensor, the model: RSW-L13, sensor 29 and micro motor 19 and coil 1206 are connected electrically, thus realizing automatic control.

The working principle of the limiting assembly 12 is as follows: for coil 1206 circular telegram, coil 1206 circular telegram can make the inside upper and lower two sets of iron core 1202 of housing 10 one end that is close to each other produce the same magnetism to two sets of iron cores 1202 drive two sets of stopper 1201 and keep away from each other, and remove the restriction to spacing post 28 and telescopic link 11, coil 1206 outage makes iron core 1202 lose magnetism, and stopper 1201 is fixed spacing post 28 and telescopic link 11 under the effect of third spring 1203.

In one embodiment, the middle part of the telescopic rod 11 is sleeved with a second spring 27, one end of the telescopic rod 11, which is far away from the rubber pad 18, is positioned inside the housing 10 and is provided with a limiting column 28 in a screwed connection mode, the limiting assembly 12 comprises a bottom plate, a first L-shaped limiting rod, a second L-shaped limiting rod, a first locking screw, a second locking screw, a guide plate, a base plate and a mounting plate, the guide plate is arranged at the lower end of the bottom plate through the screws and the base plate, and the base plate is arranged between the bottom plate and the guide plate and close to two ends of the guide plate; the upper end of the bottom plate is provided with a pair of mounting plates, and the upper ends of the mounting plates are provided with mounting holes; an L-shaped limiting rod I and an L-shaped limiting rod II are arranged between the bottom plate and the guide plate, and a locking screw I and a locking screw II are respectively arranged at the upper ends of the L-shaped limiting rod I and the L-shaped limiting rod II; the first L-shaped limiting rod and the second L-shaped limiting rod can slide relatively along the guide plate.

Through the structure, the bottom plate is arranged behind the first L-shaped limiting rod and the second L-shaped limiting rod, and when the first L-shaped limiting rod and the second L-shaped limiting rod are fixed through the first locking screw and the second locking screw, the bottom plate can be in contact with the first L-shaped limiting rod and the second L-shaped limiting rod, so that the distance between the positioning column 28 and the lower ends of the first L-shaped limiting rod and the second L-shaped limiting rod is consistent. This can reduce the workload of adjusting the moving range of the positioning post 28 and also reduce the difficulty of adjustment.

Example 2:

according to yet another embodiment of the present invention, the present embodiment also provides a method for using a head positioning device for ear-nose-throat detection, the method comprising the steps of:

firstly, the height of the telescopic rod 2 is properly adjusted according to the height of a patient;

the head of the patient is placed between the fixed frame 5 and the movable frame 7, and the bracket 6 is rotated to support the head of the patient;

starting the micro motor 19, and driving the fixed frame 5 and the movable frame 7 to approach each other by the micro motor 19;

the telescopic rod 2 is fixed by using the limiting component 12, and the telescopic rod 2 is matched with the fixing frame 5 to fix the head of the patient;

the ear, nose and throat of the patient are detected by rotating the rotary seat 3.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the telescopic rod 2, the coil 1206, the illuminating lamp 16, the micro motor 19 and the sensor 29 are electrically connected with an external controller, firstly, the height of the telescopic rod 2 is properly adjusted according to the height of a patient, then, the head of the patient is placed between the fixed frame 5 and the movable frame 7, the bracket 6 is rotated to support the head of the patient, the micro motor 19 is started through the controller and the coil 1206 is electrified, the coil 1206 is electrified to enable one ends, close to each other, of the upper and lower groups of iron cores 1202 in the housing 10 to generate the same magnetism, so that the two groups of iron cores 1202 drive the two groups of limiting blocks 1201 to be away from each other, the limitation on the limiting columns 28 and the telescopic rod 11 is removed, at the moment, the micro motor 19 rotates and drives the threaded rod 8 to rotate, the threaded rod 8 drives the fixed frame 5 and the movable frame 7 to be close to each other under the limitation of the guide rod 9, when the telescopic rod 11 contacts the head of the patient, the telescopic rod is actively contracted and is tightly attached to the head of the patient, the fixed frame 5 and the movable frame 7 continuously approach until the sensor 29 detects that the pulling force applied to the micro motor 19 reaches a set value, the sensor 29 transmits a signal to the controller, the controller closes the micro motor 19 and cuts off the power of the coil 1206, the coil 1206 is cut off so that the iron core 1202 loses magnetism, and the limiting block 1201 fixes the limiting column 28 and the telescopic rod 11 under the action of the third spring 1203;

doctor's accessible rotates swivel chair 3 and detects patient's ear-nose-throat in the testing process, open light 16 and adjust level crossing 15 to suitable angle, can realize examining patient's nose, it switches on to start micro motor 19 reversal and for coil 1206 circular telegram after the completion to detect, thereby make mount 5 keep away from each other with adjustable shelf 7, rotate knob 25 this moment, knob 25 drives shell fragment 23 and rotates and remove the restriction to ratchet 22, bracket 6 resets under rotary spring 26's drive simultaneously, thereby accomplish whole testing process.

In summary, according to the technical scheme of the invention, the head of the patient can be clamped by arranging the fixed frame 5 and the movable frame 7 which are matched with each other, and the telescopic rod 11 can be automatically contracted when touching the head of the patient in the clamping process, so that the head of the patient can be uniformly clamped, and then the telescopic rod 11 is limited by the limiting component 12, so that the problems of non-uniform clamping force and poor clamping effect in the prior art are solved; by arranging the bracket 6 and arranging the supporting pad 17 at the bottom of the bracket 6, the head of a patient can be supported and protected, so that the patient does not feel tired in the long-time detection process, and the unidirectional rotation of the bracket 6 can be ensured by controlling the bracket 6 by using the ratchet wheel 22, so that the supporting stability of the bracket 6 is improved; through the arrangement of the rotary seat 3, the patient can be flexibly rotated according to the requirements of a doctor in the detection process, so that the detection efficiency is improved, wherein the plane mirror 15 and the illuminating lamp 16 can assist the doctor to observe the nose of the patient.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a head positioning device for otolaryngology detects, includes base (1) and telescopic link (2), its characterized in that:

a rotary seat (3) is rotatably arranged at the top end of the base (1), the telescopic rod (2) is fixedly arranged on one side of the rotary seat (3), and a fixing frame (5) is connected and arranged at the top end of the telescopic rod (2) through a mounting frame (4);

a bracket (6) is rotatably arranged at the bottom of the fixed frame (5), a movable frame (7) is arranged on one side of the fixed frame (5) far away from the telescopic rods (2), the movable frame (7) is connected with the fixed frame (5) through a threaded rod (8) and a guide rod (9), a housing (10) is arranged outside the movable frame (7), a plurality of telescopic rods (11) are slidably arranged in the middle of the movable frame (7), and a limiting component (12) is arranged at one end of each telescopic rod (11) and positioned inside the housing (10);

the top of bracket (6) is provided with protection pad (13), the bottom of bracket (6) is connected through connecting rod (14) and is provided with level crossing (15), just the top of connecting rod (14) is inlayed and is provided with light (16).

2. The head positioning device for the ear-nose-throat detection according to claim 1, wherein the limiting assembly (12) comprises two groups of symmetrically arranged limiting blocks (1201), the limiting columns (28) are arranged between the limiting blocks (1201), and an iron core (1202) is fixedly arranged at one end, away from each other, of each of the two groups of limiting blocks (1201);

a third spring (1203) is fixedly arranged at one end, far away from the limiting block (1201), of the iron core (1202), and one end, far away from the iron core (1202), of the third spring (1203) is fixedly connected with the inner wall of the housing (10) through a spring seat (1204);

a plurality of limiting grooves (2801) are uniformly and equidistantly formed in the outer side of each limiting column (28), and limiting strips (1205) matched with the limiting grooves (2801) are arranged on the sides, close to each other, of the two groups of limiting blocks (1201);

the winding of the outside of iron core (1202) is provided with coil (1206), and is located same group spacing post (28) top and below the coil (1206) winding direction in the outside of iron core (1202) is opposite.

3. Head positioning device for ear-nose-throat detection according to claim 2, characterized in that the inner wall of the fixing frame (5) is fixedly provided with a supporting pad (17), and the end of the telescopic rod (11) far away from the limiting assembly (12) is provided with a rubber pad (18).

4. The head positioning device for ear-nose-throat detection according to claim 3, wherein a micro motor (19) and the guide rod (9) are fixedly arranged on both sides of the middle part of the movable frame (7);

the output pot head of micro motor (19) is equipped with threaded rod (8), just the both sides of mount (5) all seted up with threaded hole (20) of threaded rod (8) matched with and with guide arm (9) matched with through-hole (21).

5. A head positioning device for ear-nose-throat detection according to any one of claim 4, characterized in that the bottom of the fixing frame (5) is fixedly provided with ratchets (22) penetrating the top of the bracket (6) on both sides;

the ratchet wheel is characterized in that an elastic sheet (23) is arranged on the inner side of the top of the bracket (6) and below the ratchet wheel (22) in a rotating mode, a first spring (24) is arranged on the top of the elastic sheet (23), and a knob (25) is fixedly arranged on the front face of the elastic sheet (23).

6. A head positioning device for ear-nose-throat detection according to claim 5, characterized in that a rotary spring (26) is wound on both sides of the bottom of the fixing frame (5) and outside the ratchet wheel (22);

the inner side end of the rotary spring (26) is fixedly connected with the fixed frame (5), and the outer side end of the rotary spring (26) is fixedly connected with the bracket (6).

7. The head positioning device for ear-nose-throat detection according to claim 6, wherein the middle part of the telescopic rod (11) is sleeved with a second spring (27), and the telescopic rod (11) is far away from one end of the rubber pad (18) and is provided with a limiting column (28) in the inner part of the housing (10) in a screwing manner.

8. The head positioning device for ear-nose-throat detection according to claim 7, wherein the limiting component (12) comprises a bottom plate, a first L-shaped limiting rod, a second L-shaped limiting rod, a first locking screw, a second locking screw, a guide plate, a base plate and a mounting plate, wherein the guide plate is arranged at the lower end of the bottom plate through the screws and the base plate, and the base plate is arranged between the bottom plate and the guide plate and close to two ends of the guide plate; the upper end of the bottom plate is provided with a pair of mounting plates, and the upper ends of the mounting plates are provided with mounting holes; an L-shaped limiting rod I and an L-shaped limiting rod II are arranged between the bottom plate and the guide plate, and a locking screw I and a locking screw II are respectively arranged at the upper ends of the L-shaped limiting rod I and the L-shaped limiting rod II; the first L-shaped limiting rod and the second L-shaped limiting rod can slide relatively along the guide plate.

9. A head positioning device for ear-nose-throat detection according to claim 8, characterized in that the micro-motor (19) is fixedly connected with the movable frame (7) through a sensor (29), and the sensor (29) is electrically connected with the micro-motor (19) and the coil (1206).

10. A method of using a head positioning device for otolaryngological examination, the head positioning device for otolaryngological examination as claimed in any one of claims 1 to 9, the method comprising the steps of:

firstly, the height of the telescopic rod (2) is properly adjusted according to the height of a patient;

the head of the patient is placed between the fixed frame (5) and the movable frame (7), and the bracket (6) is rotated to support the head of the patient;

starting the micro motor (19), wherein the micro motor (19) drives the fixed frame (5) and the movable frame (7) to approach each other;

the telescopic rod (2) is fixed by using the limiting component (12), and the telescopic rod (2) is matched with the fixing frame (5) to fix the head of the patient;

the ear, nose and throat of the patient are detected by rotating the rotary seat (3).