CN217466153U

CN217466153U - Vibration effect testing device for artificial ossicular chain

Info

Publication number: CN217466153U
Application number: CN202221239052.0U
Authority: CN
Inventors: 朱寅; 郝敬宾; 寇寅欣; 杨树; 方松峪; 纪皓文
Original assignee: China University of Mining and Technology CUMT
Current assignee: China University of Mining and Technology CUMT
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-20
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a vibration effect testing device for an artificial ossicular chain, which belongs to the technical field of medical evaluation of the artificial ossicular chain and comprises a box body and a laser Doppler vibrometer, wherein one side of the box body is provided with a pipe body, a cavity is arranged in the box body, the two ends of the cavity are provided with openings, one end of the cavity is an oval window opening, and the other end of the cavity is a light wave incident port; the opening of the box body close to the oval window is provided with a sealing slot, the cavity close to the light wave entrance port is sealed with a transparent partition plate, and the cavity of the box body between the sealing slot and the transparent partition plate is provided with an impedance medium filling channel penetrating through the outer wall of the cavity; the laser Doppler vibrometer acts on the direction of the opening of the oval window from the outer side of the light wave entrance port; the speaker has been set to body one end, and the other end is established to the fixed mouth of tympanic membrane module, through box body and laser doppler vibrometer, can simulate out the vibration process of ossicular chain in the people's ear to at the vibration effect of external test artificial ossicular chain.

Description

Vibration effect testing device for artificial ossicular chain

Technical Field

The utility model belongs to the technical field of artifical ossicular chain medical science aassessment, especially, relate to a vibration effect testing arrangement for artifical ossicular chain.

Background

The ossicular chain is formed by the connective and suspended ligaments of the malleus, incus and stapes, and is the bridge that conducts sound between the tympanic membrane and the oval window. The hammer stem is attached to the tympanic membrane, the hammer head and the incus head form a hammer anvil joint, the incus bottom plate and the stapes head form an incus pedal joint, the stapes bottom plate is fixed on the oval window by an annular ligament, and the main physiological function of the auditory ossicle chain is used as a lever system, sound energy from the tympanic membrane is converted into mechanical energy and transmitted to the oval window, and meanwhile, the acoustic energy amplification effect is very strong, so that the fine sound can be amplified, and the hearing range is enlarged.

The ossicular chain is a minute and complex structure having various functions, but fragile organs thereof are easily damaged by various causes such as otitis media, and understanding and reconstructing the functions of the ossicular chain has been an important research topic of medical and related personnel. Currently, the human temporal bone is usually used as a model for testing, experimental and numerical result verification of the ossicles in the ossicular chain, but a fresh human experimental sample is not always easily available, and the mechanical properties of the human sample vary with time and between individuals, and for this reason, some artificial materials are also medically and successively applied to make the artificial ossicular chain. The inventor believes that it is unrealistic and unscientific to implant the artificial ossicular chain into the middle ear of a patient and then perform a vibration effect test, and the vibration test of the artificial ossicular chain in vitro is particularly important, so we need to provide a vibration effect testing device for the artificial ossicular chain.

It should be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art.

SUMMERY OF THE UTILITY MODEL

The inventor finds through research that the vibration effect of the artificial ossicular chain is inconsistent under the influence of processing precision or material types, the vibration effect of the artificial ossicular chain directly influences the function of the ossicular chain in use, but no device can test the vibration effect of the artificial ossicular chain in vitro without the help of a human body.

In view of at least one of the above technical problems, the present disclosure provides a vibration effect testing apparatus for an artificial ossicular chain, which comprises the following specific technical solutions:

a vibration effect testing device for an artificial ossicular chain comprises a box body and a laser Doppler vibrometer, wherein a pipe body is arranged on one side of the box body, a cavity is arranged in the box body, openings are oppositely arranged at two ends of the cavity, the opening at one end is an oval window opening, and the opening at the other end is a light wave incident port; a sealing slot for cutting off the cavity is vertically arranged on one side of the box body close to the opening of the oval window, a transparent partition plate is vertically sealed on one side of the cavity close to the light wave incident port, and an impedance medium filling channel penetrating through the outer wall is arranged in the cavity of the box body between the sealing slot and the transparent partition plate; the laser Doppler vibrometer acts on the direction of the opening of the oval window from the outer side of the light wave entrance port; body one end has set the speaker, and the other end is established to the fixed mouth of tympanic membrane module, through the setting of box body and laser Doppler vibrometer, can simulate out the vibration process that the tympanic membrane drove malleus, incus, stapes and oval window membrane in the people's ear after joining in marriage artifical ossicular chain and this device to the vibration effect of testing artifical ossicular chain in vitro.

In some embodiments of the disclosure, the impedance medium filling channel is disposed on the top surface of the box body, and the impedance medium filling channel is provided with an end cover, so that the impedance medium filling channel can be closed after the cavity is filled with the impedance medium.

In some embodiments of the present disclosure, the cavity is equipped with the seal groove in the one side that is close to light wave incident port place is vertical, and the seal groove sets the baffle socket that extends to the box body surface, and the seal groove is used with transparent baffle, and transparent baffle can realize quick convenient sealed to the cavity in its one side at place, and simultaneously, the transparent baffle of activity setting also is convenient for set different models or change new as required.

In some embodiments of the disclosure, a base is fixed below the box body, so that the gravity center and the position of the box body can be conveniently controlled, and the box body is favorably and fixedly arranged.

In some embodiments of the present disclosure, a tube body support is fixed on the base, so as to stably fix the tube body on one side of the box body, thereby facilitating the stable fixation of the artificial ossicular chain and ensuring the accuracy of the vibration effect test.

In some embodiments of the present disclosure, the tube support is in a cover shape, the tube support upper surface is provided with a tube mounting seat adapted to be used for the lower end of the tube, the tube support can integrally form a certain protection for the device, and the tube mounting seat can fix the mounting position of the tube, thereby facilitating the assembly and detection of the ossicular chain.

In some embodiments of the present disclosure, the pipe wall of the lower end of the pipe body is set to be a polygonal bottom block, and the polygonal bottom block can ensure that the pipe body does not produce a rotational relative displacement with the pipe body mounting seat, and does not interfere with a detection result of the vibration effect of the artificial ossicular chain.

In some embodiments of the present disclosure, the tube body supporting seat is a polygonal clamping hole, so that when the tube body is fixed, the artificial ossicular chain to be detected can penetrate into the box body for detection.

In some embodiments of this disclosure, the body supports including left branch and right branch, and the body mount pad is located the department of meeting of left branch and right branch, can dismantle left branch and right branch as required in a flexible way, realizes the maintenance to body or box body, uses and maintains.

In some embodiments of the present disclosure, the laser doppler vibrometer is equipped with a reflector, which can enhance the reception response of the laser doppler vibrometer.

Compared with the prior art, the utility model discloses following beneficial effect has: through the setting of box body and laser Doppler vibrometer, can be with artifical auditory ossicle chain with this device after-using, simulate out in the people's ear tympanic membrane drive the malleus, the incus, the vibration process of stapes and oval window membrane, the sound that produces by the speaker that sets up in body one end makes the tympanic membrane module produce the vibration, thereby the tympanic membrane module drives the malleus module, incus module and stapes module vibration, make oval window membrane module produce the vibration at last, thereby simulate out in the people's ear tympanic membrane drive the malleus, the incus, the vibration process of stapes and oval window membrane, measure oval window membrane module vibration displacement by laser Doppler vibrometer, thereby survey the vibration frequency parameter of stapes module, realize the purpose at the vibration effect of external test artifical auditory ossicle chain, the security is higher. The design has simple structure, convenient manufacture and operation, no complex mechanical transmission and low failure rate.

Drawings

FIG. 1 is a schematic view showing the structure of the present device and the artificial ossicular chain according to embodiment 1 of the present invention;

fig. 2 is a schematic perspective view of the case of embodiment 1 in the structure of the present invention;

fig. 3 is a schematic perspective view of the relative position between the box body and the tube body in embodiment 1 of the present invention;

fig. 4 is a schematic perspective view of the relative position between the tube support and the base according to embodiment 1 of the present invention.

The numbering in the figures illustrates: 1. a box body; 11. a cavity; 111. a light wave entrance port; 12. sealing the slot; 13. a transparent partition plate; 14. an impedance medium filling channel; 141. an end cap; 15. a sealing groove; 151. a spacer plate socket; 2. a laser Doppler vibrometer; 21. a reflector; 3. a pipe body; 31. a speaker; 32. a polygonal bottom block; 41. an oval window membrane module; 42. a stapes module; 43. an anvil module; 44. a malleus module; 45. a tympanic membrane module; 5. a base; 6. supporting the pipe body; 61. a pipe body mounting base; 62. a left support; 63. and (6) a right support.

The specific implementation mode is as follows:

in order to better understand the purpose, structure and function of the present invention, the following description will be made in conjunction with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments.

The numbering of the components as such is used herein only to distinguish between the objects represented and not to have any sequential or technical meaning. In the present disclosure, the term "connected", unless otherwise specified, includes both direct and indirect "connections". In the description of the present application, it is to be understood that the positional terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate positional or positional relationships based on those shown in the drawings, and are only for convenience of description and brief description, but do not indicate or imply that the referred devices or units must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

As shown in fig. 1 to 4, a vibration effect testing device for an artificial ossicular chain is designed, which comprises a box body 1 and a laser doppler vibrometer 2, wherein the laser doppler vibrometer 2 is a measuring instrument for measuring object vibration by using principles such as laser doppler effect and optical heterodyne interference, compared with sensors such as a traditional accelerometer, the device has the advantages of remote measurement, non-contact property, high spatial resolution, short measurement time, wide response frequency band, high speed resolution and the like, and is widely applied to the fields of modal characteristic analysis, quality detection, online control, structural flaw detection, health medical treatment and the like of a model; a tube body 3 is arranged on one side of a box body 1, a cavity 11 is arranged in the box body 1, two ends of the cavity 11 are oppositely provided with openings, the opening at one end is an oval window opening, and the opening at the other end is a light wave incident port 111; a sealing slot 12 for cutting off the cavity 11 is vertically arranged on one side of the box body 1 close to the oval window opening, a sealing gasket is arranged on the wall of the sealing slot 12, the sealing slot 12 is used for being provided with an oval window membrane module 41, after the sealing slot 12 is completely matched with the oval window membrane module 41, the cavity 11 is sealed at the end, a transparent partition plate 13 is vertically sealed on one side of the cavity 11 close to the light wave incident port 111, the transparent partition plate 13 enables the cavity 11 to be sealed at the end, and an impedance medium filling channel 14 penetrating through the outer wall of the box body 1 is arranged in the cavity 11 of the box body 1 between the sealing slot 12 and the transparent partition plate 13; the laser Doppler vibrometer 2 acts on the opening direction of the oval window from the outer side of the light wave entrance port 111; one end of the tube 3 is provided with a speaker 31, the speaker 31 is provided with a sound generating system, and the other end is provided with a tympanic membrane module fixing port for connecting a tympanic membrane module 45.

When the device is used, the tympanic membrane module 45 is sealed and bonded with the tympanic membrane module fixing port of the tube body 3, wherein the bonding mode can be bone glue bonding, and the oval window membrane module 41 is sealed on the side where the oval window opening is positioned to the cavity 11; preparing the components of the artificial ossicular chain to be detected: an oval window membrane module 41 for simulating a human oval window membrane, a stapes module 42 for simulating a human stapes, an incus module 43 for simulating a human incus, a malleus module 44 for simulating a human malleus, and a tympanic membrane module 45 for simulating a human tympanic membrane are connected in the sequence shown in fig. 1, wherein the connection mode can be bone glue adhesion; the light wave emitting end of the laser Doppler vibrometer 2 is aligned to the oval window module 41 from the light wave incident port 111, an impedance medium is put into the cavity 11 through the impedance medium filling channel 14, the impedance medium can be physiological saline, the physiological saline is used for replacing and/or simulating the impedance brought by the inner ear lymph of a human body, the detection wave emitted by the laser probe of the laser Doppler vibrometer 2 passes through the transparent partition plate 13 to act on the oval window membrane module 41, the loudspeaker 31 works, the sound wave acts on the artificial auditory ossicle chain, the laser Doppler vibrometer 2 measures the Doppler signal of the trace particles passing through the laser probe, the vibration effect of the corresponding position of the measured oval window membrane module 41 can be obtained according to the relation between the vibration displacement and the Doppler frequency, so as to obtain the vibration frequency parameter of the stapes module 42, thereby obtaining the whole vibration effect of the artificial auditory ossicle chain, and realizing the purpose of in-vitro testing the vibration effect of the artificial ossicle chain, the safety is higher.

In the above embodiment, 3 examples are listed to realize the above technical solution:

example 1

In this embodiment, the impedance medium filling channel 14 is arranged on the top surface of the box body 1, the impedance medium filling channel 14 is tubular, the impedance medium filling channel 14 is provided with an end cap 141, the end cap 141 is a provided inner plug, and the end cap 141 can close the impedance medium filling channel 14 after the cavity 11 is filled with the impedance medium, so as to prevent the impedance medium from overflowing; a sealing groove 15 is vertically arranged on one side of the cavity 11 close to the light wave incident port 111, the sealing groove 15 comprises a sealing rubber strip arranged in the groove, the sealing groove 15 is provided with a partition plate inserting opening 151 extending to the outer surface of the box body 1, the sealing groove 15 is matched with the transparent partition plate 13, the transparent partition plate 13 can realize quick and convenient sealing on the cavity 11 on the side where the transparent partition plate 13 is located, and meanwhile, the movably arranged transparent partition plate 13 is convenient to be provided with different models or replaced as required; a base 5 is fixed below the box body 1, a groove is formed in the middle of the base 5, and the box body 1 is matched with the groove, so that the gravity center and the position of the box body 1 can be conveniently controlled, and the box body 1 can be conveniently and fixedly arranged; a tube body support 6 is fixed on the base 5 and used for stably fixing the tube body 3 on one side of the box body 1, so that the artificial auditory ossicle chain is stably fixed, and the accuracy of the vibration effect test is ensured; the tube body support 6 is in a cover shape, the upper surface of the tube body support 6 is provided with a tube body mounting seat 61 matched with the lower end part of the tube body 3, and the tube body mounting seat 61 is a polygonal clamping hole, the tube body support is preferably quadrangular, so that the tube body 3 can be fixed conveniently, and meanwhile, an artificial auditory ossicle chain to be detected can penetrate into the box body 1 for detection; the cover-shaped pipe body support 6 can integrally form a certain protection for the device, the pipe body mounting seat 61 can fix the mounting position of the pipe body 3, and is convenient for assembling and detecting the auditory ossicle chain, the pipe wall of the lower end part of the pipe body 3 is provided with the polygonal bottom block 32, the polygonal bottom block 32 is preferably quadrangular, the polygonal bottom block 32 can ensure that the pipe body 3 cannot generate rotational relative displacement with the pipe body mounting seat 61, and the detection result of the vibration effect of the artificial auditory ossicle chain cannot be interfered; the pipe body support 6 comprises a left support 62 and a right support 63, the pipe body mounting seat 61 is positioned at the joint of the left support 62 and the right support 63, polygonal clamping holes are respectively arranged on the left support 62 and the right support 63, the left support 62 and the right support 63 can be flexibly disassembled as required, and the pipe body 3 or the box body 1 can be overhauled, used and maintained; the laser doppler vibrometer 2 is provided with a reflector 21, and the reflector 21 can enhance the receiving induction of the laser doppler vibrometer 2.

Example 2

In this embodiment, the impedance medium filling channel 14 is disposed on the top surface of the box body 1, the impedance medium filling channel 14 is an opening disposed on the upper wall of the box body 1, and is provided with an end cover 141, the end cover 141 is a hinged flip, and the end cover 141 can close the impedance medium filling channel 14 after the cavity 11 is filled with the impedance medium, so as to prevent the impedance medium from overflowing; a locking buckle is arranged between the turnover cover and the box body 1; the transparent partition plate 13 is bonded to the side, close to the light wave incident port 111, of the cavity 11, and the transparent partition plate 13 can effectively and stably seal the cavity 11 at the side where the transparent partition plate 13 is located; a base 5 is fixed below the box body 1, so that the box body 1 is favorably and fixedly arranged; a tube body support 6 is fixed on the base 5 and used for stably fixing the tube body 3 on one side of the box body 1, so that the artificial auditory ossicle chain is stably fixed, and the accuracy of the vibration effect test is ensured; the pipe body support 6 is in a cover shape, the upper surface of the pipe body support 6 is provided with a pipe body installation seat 61 matched with the lower end part of the pipe body 3, and the pipe body installation seat 61 is a counter bore; the cover-shaped tube body support 6 can integrally form a certain protection for the device, and the arrangement of the tube body mounting seat 61 can fix the mounting position of the tube body 3, thereby being convenient for assembling and detecting the artificial auditory ossicle chain.

Example 3

The embodiment discloses that the impedance medium filling channel 14 is arranged on the upper side wall of the box body 1, and the impedance medium filling channel 14 is a slide channel hole, so that the impedance medium can be conveniently injected; a sealing groove 15 is vertically arranged on one side of the cavity 11 close to the light wave incident port 111, the sealing groove 15 is provided with a partition plate inserting port 151 extending to the outer surface of the box body 1, the sealing groove 15 is matched with the transparent partition plate 13, the transparent partition plate 13 can realize quick and convenient sealing on the cavity 11 on the side where the transparent partition plate 13 is arranged, and meanwhile, the movably arranged transparent partition plate 13 is convenient to be provided with different models or replaced as required; the box body 1 is convenient to fix; be fixed with the body on the base 5 and support 6 for with body 3 stably fixed in one side of box body 1, the artifical ossicular chain of being convenient for is stable fixed, guarantees the accuracy of vibration effect test, and the body supports 6 arm lock supports, and arm lock support upper end sets the arm lock, and the arm lock is used for fixed body 3, simple structure, easily production or direct purchase.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a vibration effect testing arrangement for artifical ossicular chain, includes box body (1) and laser Doppler vibrometer (2), and one side of box body (1) is equipped with body (3), has cavity (11), its characterized in that in box body (1): two ends of the cavity (11) are oppositely provided with openings, the opening at one end is an oval window opening, and the opening at the other end is a light wave incident port (111); a sealing slot (12) for cutting off the cavity (11) is vertically arranged on one side of the box body (1) close to the oval window opening, a transparent partition plate (13) is vertically sealed on one side of the cavity (11) close to the light wave incident port (111), and an impedance medium filling channel (14) penetrating through the outer wall is arranged in the cavity (11) of the box body (1) between the sealing slot (12) and the transparent partition plate (13); the laser Doppler vibrometer (2) acts on the direction of the opening of the oval window from the outer side of the light wave entrance port (111); one end of the tube body (3) is provided with a loudspeaker (31), and the other end is provided with a tympanic membrane module fixing port.

2. The vibration effect testing device for the artificial ossicular chain according to claim 1, wherein the impedance medium filling channel (14) is provided at a top surface of the case body (1), and the impedance medium filling channel (14) is provided with an end cap (141).

3. The device for testing the vibration effect of the artificial ossicular chain according to claim 1, wherein the cavity (11) is vertically provided with a sealing groove (15) at a side close to the light wave incident port (111), the sealing groove (15) is provided with a partition plate insertion opening (151) extending to the outer surface of the box body (1), and the sealing groove (15) is matched with the transparent partition plate (13).

4. The device for testing the vibration effect of an artificial ossicular chain according to claim 1, wherein a base (5) is fixed under the box body (1).

5. The vibration effectiveness testing device for an artificial ossicular chain according to claim 4, characterized in that a tube body support (6) is fixed to the base (5).

6. The device for testing the vibration effect of an artificial ossicular chain according to claim 5, wherein the tube support (6) is in a cover shape, and a tube mounting seat (61) provided for a lower end portion of the tube (3) is provided on an upper surface of the tube support (6).

7. The device for testing the vibration effect of an artificial ossicular chain according to claim 6, wherein the pipe wall of the lower end portion of the pipe body (3) is provided with a polygonal bottom block (32).

8. The vibration effect testing device for an artificial ossicular chain according to claim 7, wherein the tube body mounting seat (61) is a polygonal clipping hole.

9. The vibration effect testing device for an artificial ossicular chain according to claim 6 or 8, wherein the tube body support (6) comprises a left support (62) and a right support (63), and the tube body mount (61) is located at a junction of the left support (62) and the right support (63).

10. The device for testing the vibratory effect of an artificial ossicular chain according to claim 1, wherein the laser doppler vibrometer (2) is provided with a reflector (21).