CN219143624U

CN219143624U - Temporal bone teaching aid through 3D prints and makes

Info

Publication number: CN219143624U
Application number: CN202222629357.9U
Authority: CN
Inventors: 陈少博; 谭振国; 高涛; 刘鑫东
Original assignee: Hunan Zengsai Precision Medical Research Institute Co ltd
Current assignee: Hunan Zengsai Precision Medical Research Institute Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-06-06
Anticipated expiration: 2032-10-08

Abstract

The utility model provides a temporo teaching aid made by 3D printing, which comprises a temporo body and a plurality of modules which are inserted into the temporo body according to respective positions and are arranged in different colors, wherein the plurality of modules comprise veins, arteries, inferior arches, chordae, facial nerves, vestibular upper nerves, vestibular lower nerves, tensor semitubes of tympanic membrane, curculins, stapes tendon, hammer, supraanvil ligament, malleus anterior ligament, tensor tendons of tympanic membrane, posterior incus ligament, internal auditory meatus, vestibular aqueduct, stapes, incus, cone bump, stapes muscle, styloid process, semicircular canal, tympanic membrane, cochlea and ankle. The utility model can be used for teaching and preoperative doctors exercise; the medical students can learn and perceive the relative positions of the functional tissues in the temporal bone more dramatically; the doctor can exercise and polish the temporal bone for a plurality of times before operation, so that the proficiency in actual operation is improved, and the occurrence rate of medical accidents is greatly reduced; the temporal bone teaching aid is low in cost and high in temporal bone re-carving accuracy of a person.

Description

Temporal bone teaching aid through 3D prints and makes

Technical Field

The utility model belongs to the field of medical teaching aids, and particularly relates to a temporal bone teaching aid manufactured through 3D printing.

Background

In the medical field, if a patient has otitis media or myoma in an auditory canal needs to be treated, a doctor needs to polish temporal bones of the patient first until focus can be touched by hands or instruments, and then subsequent treatment is carried out. However, in the process of polishing the temporal bone, there is a risk of injuring nerves and blood vessels in the temporal bone, resulting in medical accidents. To reduce the above risks, doctors and medical students perform grinding exercises on temporal bones before surgery and during learning in a very useful way. But the teaching specimens for hands exercise are very rare, which is unfavorable for doctors and medical students to exercise and learn.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a temporal bone teaching aid made by 3D printing, which can be used for teaching and preoperative doctors exercise; when the device is used for teaching, medical students can learn and perceive the temporal bone structure and the relative positions of functional tissues in the temporal bone more remarkably, and the internal structure of the device can be further known by polishing the temporal bone body; when a doctor exercises before operation, the doctor can print the CT scan result of the temporal bone of a specific patient through 3D printing to form the CT scan result integrally, so that the temporal bone teaching aid has extremely high structural similarity with the temporal bone of the patient, and the doctor can exercise and polish the temporal bone for many times before operation so as to skillfully and accurately avoid tissues such as blood vessels, facial nerves and the like, thereby greatly improving the proficiency in actual operation and greatly reducing the occurrence rate of medical accidents; the temporal bone teaching aid is low in cost and high in temporal bone re-carving accuracy of a person.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a temporal bone teaching aid made by 3D printing, comprising a temporal bone body and a plurality of modules which are inserted in the temporal bone body according to respective positions and are arranged in different colors, wherein the plurality of modules comprise veins, arteries, inferior arch arteries, chordal nerves, facial nerves, vestibular upper nerves, vestibular lower nerves, tensor semitubes of tympanic membrane, spatulas, stapes tendons, malleolus, suprastock ligaments, malleus, anterior malleus ligament, tensor tendons of tympanic membrane, posterior incus ligament, internal auditory canal, vestibular aqueduct, stapes, incus, cone protrusion, stapes muscle, styloid process, semicircular canal, tympanic membrane, cochlea, ankle process.

As a further improvement of the above technical scheme:

the temporal bone teaching aid further comprises a focus inserted in the temporal bone body.

The cavity in the temporal bone body is filled by a transparent support module.

The temporal bone teaching aid is formed integrally through 3D printing based on a temporal bone CT scanning result of a person.

The temporal bone body and each module are made of photosensitive resin materials.

The hardness of the temporal bone body and each module is the same as that of the corresponding part of the human body.

The shape of the temporal bone body and each module is the same as the shape of the corresponding part of the human body.

The size of the temporal bone body and each module is the same as the size of the corresponding part of the human body.

The beneficial effects of the utility model are as follows:

1) The temporal bone teaching aid can be used for teaching and preoperative doctor exercise;

2) When the device is used for teaching, medical students can learn and perceive the temporal bone structure and the relative positions of functional tissues in the temporal bone more remarkably, and the internal structure of the device can be further known by polishing the temporal bone body;

3) When a doctor exercises before operation, the doctor can print the CT scan result of the temporal bone of a specific patient through 3D printing to form the CT scan result integrally, so that the temporal bone teaching aid has extremely high structural similarity with the temporal bone of the patient, and the doctor can exercise and polish the temporal bone for many times before operation so as to skillfully and accurately avoid tissues such as blood vessels, facial nerves and the like, thereby greatly improving the proficiency in actual operation and greatly reducing the occurrence rate of medical accidents;

4) The temporal bone teaching aid is low in cost and high in temporal bone re-carving accuracy of a person.

Drawings

Fig. 1 is a schematic diagram of a temporal bone teaching aid according to one embodiment of the present utility model.

Fig. 2 is a schematic diagram of relative positions of veins, arteries, and under-arch arteries in a teaching aid according to an embodiment of the utility model.

Fig. 3 is a schematic diagram showing the relative positions of the chordal nerve, the facial nerve, the upper vestibular nerve and the lower vestibular nerve in a teaching aid according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram showing the relative positions of the tensor tympanic membrane tendon, the spatula, the stapes tendon, the hammer, the supraanvil ligament, the malleus, the anterior malleus ligament, and the tensor tympanic membrane tendon in a teaching aid according to an embodiment of the utility model.

Fig. 5 is a schematic illustration of the relative positions of the auditory canal, vestibular aqueduct, stapes, incus, cone bulge, stapes muscle, and styloid process in a teaching aid according to an embodiment of the utility model.

Fig. 6 is a schematic diagram of relative positions of a semicircular canal, tympanic membrane, cochlea, and ankle in a teaching aid according to an embodiment of the utility model.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Example 1

A temporal bone teaching aid made by 3D printing, as shown in fig. 1 to 6, comprises a temporal bone body 1 and a plurality of modules inserted in the temporal bone body 1, wherein the plurality of modules are vein 2, artery 3, inferior arch artery 4, chordal nerve 5, facial nerve 6, vestibular nerve 7, inferior vestibular nerve 8, tensor tympanic membrane half tube 9, spoon process 10, stapes tendon 11, hammer, superior anvil ligament 12, malleus 13, anterior malleus ligament 14, tensor tympanic membrane tendon 15, posterior incus ligament 16, internal auditory canal 17, vestibular aqueduct 18, stapes 19, incus 20, cone bulge 21, stapes muscle 22, styloid process 23, semicircular canal 24, tympanic membrane 25, cochlea 26, ankle process 27.

Vein 2, artery 3, inferior arch artery 4, chordal nerve 5, facial nerve 6, vestibular upper nerve 7, vestibular lower nerve 8, tensor tympanic membrane half tube 9, spatula 10, stapes tendon 11, hammer, superior anvil ligament 12, malleus 13, malleus anterior ligament 14, tensor tympanic membrane tendon 15, posterior incus ligament 16, internal auditory canal 17, vestibular aqueduct 18, stapes 19, incus 20, cone bulge 21, stapes muscle 22, styloid process 23, semicircular canal 24, tympanic membrane 25, cochlea 26, and ankle process 27 are inserted in temporal bone body 1 according to the actual relative positions of each in human temporal bone body 1.

In order to distinguish the individual modules, the individual modules are set to different colors.

In this example, the temporal bone body 1 is milky white, the vein 2 is blue, the artery 3 is red, the inferior arch artery 4 is red, the chordal nerve 5 is pink, the facial nerve 6 is pink, the vestibular nerve 7 is pink, the inferior vestibular nerve 8 is pink, the tensor tympanic membrane semiduct 9 is dark pink, the process 10 is milky white, the stapedius tendon 11 is reddish, the malleolus upper ligament 12 is white and reddish, the malleus 13 is red, the anterior malleolus ligament 14 is white and reddish, the tensor tympanic tendon 15 is white and reddish, the posterior incus ligament 16 is white and reddish, the internal auditory canal 17 is pink, the vestibular aqueduct 18 is sky blue, the stapes 19 is brown, the incus 20 is blue, the cone protuberance 21 is milky white, the stapes muscle 22 is dark red, the process 23 is milky white, the semicircular canal 24 is translucent, the tympanic membrane 25 is pale yellow, and the process 27 is milky white.

The hardness of the temporal bone body 1 and each module is the same as that of the corresponding part of the human body.

The shape of the temporal bone body 1 and each module is the same as the shape of the corresponding part of the human body.

The size of the temporal bone body 1 and each module is the same as the size of the corresponding part of the human body.

The temporal bone body 1 is provided with a cavity, and in order to keep continuity and manufacturability of the temporal bone teaching aid, the cavity in the temporal bone body 1 is filled by a transparent supporting module.

The temporal bone body 1 and each module including the support module are made of a photosensitive resin material.

The temporal bone teaching aid is formed integrally through 3D printing based on a temporal bone CT scanning result of a person with healthy temporal bones. The hardness and the color of the temporal bone body 1 and each module are set before 3D printing. The specific 3D printing technology is the prior art, and is not described herein.

Because of the adhesion and other characteristics of the photosensitive resin material, the adhesion between each module and the temporal bone body 1 is utilized, which is equivalent to the connection mode between each module and the temporal bone body 1 being adhesion, and the connection mode between the support module and the temporal bone body 1 is also adhesion.

Based on the structure, the temporal bone teaching aid completely and accurately reproduces the relative position relationship of the temporal bone of a person, blood vessels, facial nerves and other functional tissues inserted in the temporal bone, and the functional tissues in the temporal bone. The temporal bone teaching aid can be used as teaching aid for doctors or medical students to learn and learn in real objects.

Example 2

Unlike in embodiment 1, in this embodiment, the temporal bone teaching aid further includes a lesion inserted in the temporal bone body 1. The focus is made of photosensitive resin material, and the color of the focus is different from that of each module. The temporal bone teaching aid with focus is formed integrally through 3D printing based on a CT scanning result of the temporal bone of a person with the focus, so that the relative positions of the focus and other modules in the temporal bone teaching aid are the same as the relative positions of the focus of the person and other functional tissues in the temporal bone.

The temporal bone teaching aid in this embodiment can also be used as a preoperative exercise article for doctors, besides teaching. The temporal bone teaching aid can be based on the temporal bone CT scanning result of a specific patient and integrally formed through 3D printing, namely, the temporal bone teaching aid is extremely high in structural similarity with the temporal bone of the patient, a doctor can practice for many times before operation, and the temporal bone can be polished by using an electric surgical drill and other instruments so as to be skillfully and accurately avoided from blood vessels, facial nerves and other tissues, so that the proficiency in actual operation can be greatly improved.

Finally, what is necessary here is: the above embodiments are only for further detailed description of the technical solutions of the present utility model, and should not be construed as limiting the scope of the present utility model, and some insubstantial modifications and adjustments made by those skilled in the art from the above description of the present utility model are all within the scope of the present utility model.

Claims

1. A temporal bone teaching aid made by 3D printing, characterized by comprising a temporal bone body (1) and a plurality of modules which are arranged in different colors and are inserted into the temporal bone body (1) according to respective positions, wherein the plurality of modules comprise veins (2), arteries (3), inferior arch arteries (4), chordae tendineae (5), facial nerves (6), supravestibular nerves (7), inferior vestibular nerves (8), tensor tympanic membrane semitube (9), spatula (10), stapes tendon (11), malleus, supraanvil ligament (12), malleus (13), anterior malleus ligament (14), tensor tympanic tendon (15), posterior incus ligament (16), auditory meatus (17), vestibular aqueduct (18), stapes (19), incus (20), awl ridges (21), stapes muscle (22), styloid process (23), semicircular canal (24), tympanic membrane (25), cochlea (26) and ankle process (27); the temporal bone teaching aid also comprises a focus which is inserted in the temporal bone body (1); the temporal bone teaching aid is formed integrally through 3D printing based on a temporal bone CT scanning result of a person.

2. A temporal bone teaching aid according to claim 1, characterized in that: the cavity in the temporal bone body (1) is filled by a transparent supporting module.

3. A temporal bone teaching aid according to claim 1, characterized in that: the temporal bone body (1) and each module are made of photosensitive resin materials.

4. A temporal bone teaching aid according to claim 1, characterized in that: the hardness of the temporal bone body (1) and each module is the same as the hardness of the corresponding part of the human body.

5. A temporal bone teaching aid according to claim 1, characterized in that: the shape of the temporal bone body (1) and each module is the same as the shape of the corresponding part of the human body.

6. A temporal bone teaching aid according to claim 1, characterized in that: the size of the temporal bone body (1) and each module is the same as the size of the corresponding part of the human body.