CN211016161U

CN211016161U - Otolith model that resets

Info

Publication number: CN211016161U
Application number: CN202020039009.4U
Authority: CN
Inventors: 张秀丽; 牟崇垒
Original assignee: Dalian central hospital
Current assignee: Dalian central hospital; Dalian Medical University
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-07-14
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to the technical field of medical equipment, specifically disclose an otolith model that resets, include the elliptical bladder part and the semicircular canal part that correspond with human inner ear vestibule physiology anatomical structure, elliptical bladder part and semicircular canal part are made by transparent material and are linked together into a cavity each other, and the elliptical bladder spot department of elliptical bladder part is equipped with first magnet, is equipped with the magnetic particle in the cavity that elliptical bladder part and semicircular canal part formed, and first magnet can attract each other with the magnetic particle. The utility model discloses can audio-visually clearly present interior ear vestibule organ and disease in the semi-normal pipe, utilize the characteristics that magnet and magnetic particle can attract each other and separate, the process that dynamic audio-visual demonstration otolithiasis takes place, treatment and resumes.

Description

Otolith model that resets

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an otolith model that resets that is used for demonstration of inner ear vestibular semicircular canal pathological state.

Background

Otolithiasis is the most common and frequent vertigo disease in clinic, accounts for nearly 1/3 causes of all vertigo diseases, and because the vertigo disease is recognized later in the world and in the medical world of China, the clinical recognition popularization rate is low, so that a plurality of patients are caused to have insufficient cognition, common misdiagnosis and mistreatment are caused, and therefore, huge economic loss is caused. Since 2006, the disease is gradually recognized and treated by the medical community of China, and some doctors and patients begin to have primary cognition and understanding on the disease, but the overall cognition rate is very low. Because vertigo diseases have complex etiology and more related specialties, mainly comprise neurology and otorhinolaryngology, the vertigo professions in China are not sufficient for practitioners, the whole level is still in the primary stage, and the identification and correct treatment of otolithiasis have large development space and need a large amount of learning and training to meet huge market demands. Because the related organs of the disease are positioned in the temporal bone, the anatomical structure is complex, certain difficulties exist in clinical teaching and propaganda and education for patients, the existing anatomical models in the market are mostly wood or rubber products, the internal structure is difficult to present visually, and the degree of full understanding and cognition is difficult to achieve in a short time

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an otolith model that resets to overcome the unable audio-visual problem of demonstrating inner ear vestibular semicircular canal otolith pathological state of physical model among the prior art.

In order to solve the technical problem, the utility model provides an otolith model that resets, include the elliptical bladder part and the semicircular canal part that correspond with human inner ear vestibule physiology anatomical structure, elliptical bladder part and semicircular canal part are made by transparent material and are linked together into a cavity each other, the elliptical bladder spot department of elliptical bladder part is equipped with first magnet, be equipped with the magnetic particle in the cavity that elliptical bladder part and semicircular canal part formed, first magnet with the magnetic particle can inter attraction.

Preferably, the semicircular portion includes a horizontal semicircular portion, a front semicircular portion, and a rear semicircular portion.

Preferably, a second magnet is arranged on the ampulla of the horizontal semi-gauge pipe part.

Preferably, a first magnet slot is arranged at the oval sac spot of the oval sac part, and the first magnet is detachably inserted into the first magnet slot.

Preferably, the first magnet is an electromagnet.

Preferably, the magnetic particles are a plurality of magnetic beads.

Preferably, the oval bag part is provided with a feeding opening and a plug for feeding or taking out the magnetic particles.

Preferably, the cavity formed by the elliptical sac part and the semicircular tube part is filled with grease.

Preferably, the oval sac portion and the semicircular canal portion are integrally formed by a 3D printing technique.

Preferably, the oval sac portion and the semicircular canal portion are made of a photosensitive resin.

The utility model discloses an otolith model that resets is whole to be made through 3D printing technique integrated into one piece, adopts photosensitive resin as matrix material, this kind of transparent material can audio-visually clearly present the interior organs and the disease of inner ear vestibule semi-normal intraductal, utilize the characteristics that magnet and magnetic particle can attract each other and separate, the process of developments audio-visual demonstration otolith disease emergence, treatment and recovery, reach the purpose that lets audience fully understand in the shortest time, be the teaching and the health propaganda and education model of an ideal.

Drawings

Fig. 1 is a schematic structural diagram of an otolith reduction model according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an otolith reduction model according to an embodiment of the present invention.

In the figure, 1: an elliptical bladder portion; 2: a balloon portion; 3: a horizontal semi-gauge tube section; 4: a front semi-gauge section; 5: a rear semicircular canal section; 6: a first magnet; 7: a second magnet.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 and 2, the otolith reduction model of the present embodiment includes: the device comprises an elliptic sac part 1 and a semicircular canal part which correspond to the physiological anatomical structure of the inner ear vestibule of a human body, wherein the elliptic sac part 1 and the semicircular canal part are both made of transparent materials and are mutually communicated to form a cavity, a first magnet 6 is arranged at an elliptic sac spot of the elliptic sac part 1, magnetic particles are arranged in the cavity formed by the elliptic sac part 1 and the semicircular canal part, and the first magnet 6 and the magnetic particles can mutually attract.

The semicircular canal portion may include: a horizontal semicircular canal part 3, a front semicircular canal part 4, and a rear semicircular canal part 5. The structure and the position relation of each part correspond to the physiological anatomical structure of the inner ear vestibule of the human body. Of course, only one or two of the horizontal semi-gauge tube portion 3, the front semi-gauge tube portion 4 and the rear semi-gauge tube portion 5 may be provided according to actual requirements. The ellipsoidal capsule part 1 can also be connected with a balloon part 2 to better demonstrate the structure of the inner ear vestibular part.

The oval sac spot of the oval sac part 1 is provided with a first magnet slot, and a first magnet 6 is detachably inserted into the first magnet slot. The first magnet 6 may also be an electromagnet, the switch of which is arranged outside the elliptical capsule part 1. A second magnet 7 is arranged at the ampulla of the horizontal semicircular canal part 3. Corresponding magnets can also be arranged at the ampulla of the front semicircular canal part 4 and the rear semicircular canal part 5. The second magnet 7 and the other magnets may be mounted in the same manner as the first magnet 6.

The magnetic particles may be a plurality of magnetic beads, such as dozens to tens, and the magnetic beads may be made of a magnet or iron. The elliptic capsule part 1 is provided with a feeding port and a plug for feeding or taking out magnetic particles.

The cavity formed by the elliptic sac part 1 and the semicircular tube part can be filled with grease so as to better display the movement of magnetic particles in the elliptic sac part 1 and the semicircular tube part. Transparent liquid with certain viscosity can be filled in the container according to the requirement of a user.

The oval sac portion 1 and the semicircular canal portion may be integrally formed by 3D printing technology. The oval sac portion 1 and the semicircular canal portion may both be made of a photosensitive resin.

The otolith model of this embodiment can also add other anatomical structures of ear, including auricle, middle ear and cochlea and nerve etc. form complete ear's model, can use rubber or foam etc. in the material selection, make to have the protect function, and is more perfect on the appearance.

One working process of the otolith reduction model of the embodiment may be as follows:

① is inserted into the first magnet 6, the magnetic beads are attracted firmly with the first magnet 6, the positions of the semicircular canal, the elliptical sac and the saccule are explained to the audience, and the functions are respectively introduced (the semicircular canal is a position information receptor of angular acceleration movement of the head, the elliptical sac is a horizontal linear acceleration information receptor and the saccule is a vertical linear acceleration information receptor), then, the position of the first magnet 6 is indicated to be under physiological state, and the otolith is firmly adsorbed on the elliptical sac spot.

② the first magnet 6 is pulled out, the magnetic beads roll off, the process that otolith falls off from the oval sac and enters the vertical semicircular canal or the horizontal semicircular canal through the total foot or the single foot, and the process that otolith returns to the oval sac through the total foot or the single foot is demonstrated.

③ is inserted into the second magnet 7 to demonstrate that the position of otolith entering the horizontal semicircular canal through single foot and being absorbed to the second magnet 7 can not be moved, and the pathological process of clinical ridge cap stone is simulated.

④ the second magnet 7 is pulled out, the magnetic bead falls into the horizontal semicircular canal and returns to the oval sac further, demonstrating the clinical reduction process of the ridge cap stone.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The otolith reduction model is characterized by comprising an elliptic sac part and a semicircular canal part which correspond to the physiological anatomical structure of the inner ear vestibule of a human body, wherein the elliptic sac part and the semicircular canal part are made of transparent materials and are mutually communicated to form a cavity, a first magnet is arranged at an elliptic sac spot of the elliptic sac part, magnetic particles are arranged in the cavity formed by the elliptic sac part and the semicircular canal part, and the first magnet and the magnetic particles can attract each other.

2. The otolith reduction model of claim 1, wherein the semicircular segment comprises a horizontal semicircular segment, a front semicircular segment, and a rear semicircular segment.

3. The otolith reduction model according to claim 2, wherein a second magnet is provided at the ampulla of the horizontal semi-gauge tube portion.

4. The otolith reduction model according to claim 1, wherein the oval sac spot of the oval sac portion is provided with a first magnet insertion slot, and the first magnet is detachably inserted into the first magnet insertion slot.

5. The otolith reduction model according to claim 1, wherein the first magnet is an electromagnet.

6. The otolith reduction model according to claim 1, wherein the magnetic particles are a plurality of magnetic beads.

7. The otolith reduction model according to claim 1, wherein the oval sac portion is provided with a putting-in port and a plug for putting in or taking out the magnetic particles.

8. The otolith reduction model according to claim 1, wherein the cavity formed by the ellipsoidal capsule portion and the semicircular canal portion is filled with grease.

9. The otolith reduction model according to claim 1, characterized in that the oval sac portion and the semicircular canal portion are integrally formed by 3D printing technique.

10. The otolith reduction model according to claim 1, wherein the oval sac portion and semicircular canal portion are each made of photosensitive resin.