TWI623303B - Eardrum incision device - Google Patents

Abstract

An eardrum puncture device includes a main body, a replaceable insertion portion, and a display unit. The replaceable insertion portion is detachably connected to the main body. The replaceable insertion portion has an insertion end located at an end remote from the main body, and the replaceable insertion portion is adapted to be inserted into an ear canal of a user. The replaceable insertion portion includes an image capture unit, an assembly hole, and a replaceable puncture member. The image capturing unit is disposed on the insertion end. The assembling hole extends from the insertion end toward the main body. The replaceable puncture member is removably disposed in the assembly hole, and is adapted to penetrate the assembly hole toward the insertion end to puncture the eardrum of the user. The display unit is disposed on the main body and is electrically connected to the image capturing unit to display the captured image of the image capturing unit.

Description

Eardrum puncture device

The invention relates to an eardrum puncture device, and in particular to an eardrum puncture device having an image capturing unit and a display unit.

Otome puncture is an effective and simple way to treat otitis media. In the current technology, an optical image capture unit is usually used to view the situation in the ear canal, or other image capture units are used to detect the ear canal.

However, in current medical instruments for eardrum puncture surgery, the image capture unit, image display element, and puncture element are often limited by the design of the instrument or the size of the device and cannot be accommodated in the same instrument. Therefore, observations in the ear canal and eardrum puncture often require the use of different instruments and different steps before and after, and the situation inside the ear canal cannot be observed at the same time when performing eardrum puncture. In addition, the piercing member and the main body of the instrument are interconnected or integrated. Therefore, after each eardrum puncture operation, the puncture member needs to be cleaned and disinfected immediately to avoid the transmission and infection of germs. However, the cleaning and disinfection of the puncture member will increase the manpower and action time required for the eardrum puncture operation.

The invention provides an eardrum puncture device, which has an image capturing unit and a display unit, so that the eardrum can be observed while performing eardrum puncture.

An eardrum puncture device according to the present invention includes a main body, a replaceable insertion portion, and a display unit. The replaceable insertion portion is detachably connected to the main body. The replaceable insertion portion has an insertion end located at an end remote from the main body, and the replaceable insertion end is adapted to be inserted into an ear canal of a user. The replaceable insertion portion includes an image capture unit, an assembly hole, and a replaceable puncture member. The image capturing unit is disposed on the insertion end. The assembling hole extends from the insertion end toward the main body. The replaceable puncture member is removably disposed in the assembly hole, and is adapted to penetrate the assembly hole toward the insertion end to puncture the eardrum of the user. The display unit is disposed on the main body and is electrically connected to the image capturing unit to display the captured image of the image capturing unit.

In an embodiment of the present invention, the image capturing unit has a dual lens module.

In an embodiment of the present invention, the eardrum puncture device further includes a fixing ring. The fixing ring is disposed between the replaceable insertion portion and the main body. The replaceable insertion portion is detachably fixed to the main body via a fixing ring.

In an embodiment of the present invention, the eardrum puncture device further includes a fixing unit. The fixing unit is detachably sleeved on the replaceable inserting portion, and the fixing unit includes an ear piece and a holding piece. The ear piece is detachably inserted into the ear canal. The retaining member is disposed at one end of the ear opening inserted into the ear canal, and the retaining member is movably abutted against the ear canal. The holder has a through hole, and the replaceable insertion portion is penetrated in the through hole to fix the replaceable insertion portion in the ear canal.

In an embodiment of the present invention, the eardrum puncture device further includes a light emitting source. The light source is arranged at the insertion end. When the insertion end is inserted into the ear canal of a user, the light source is adapted to provide illumination light.

In an embodiment of the present invention, the above-mentioned eardrum puncture device further includes a driving member. The driving member is disposed in the assembly hole and is coupled to the replaceable puncture member. The driving member is adapted to drive the replaceable puncture member through the assembly hole toward the insertion end.

In an embodiment of the present invention, the above-mentioned eardrum puncture device further includes a suction tube. The suction tube is arranged in the replaceable puncture member.

In an embodiment of the present invention, the eardrum puncture device further includes an ear canal. The ear tube is sleeved on one end of the suction tube.

In an embodiment of the present invention, the eardrum puncture device further includes a holding portion and a switch button. The holding part is connected to the main body, and the switch button is arranged on the holding part.

In an embodiment of the present invention, the replaceable insertion portion is made of a disposable material.

Based on the above, in various examples of the present invention, the eardrum puncture device has an image capturing unit and a display unit. Therefore, while the eardrum is punctured by the eardrum puncture device, the operator can rely on the images captured and displayed by the image capturing unit and the display unit to observe the situation in the ear canal. In various examples of the present invention, the replaceable insertion portion of the eardrum puncture device and its internal components are all designed in a replaceable form. Therefore, after each use of the eardrum puncture device is completed, the eardrum puncture device can be replaced with a new replaceable insertion portion immediately to improve the use of the eardrum puncture device. Health and convenience.

In order to make the above features and advantages of the present invention more comprehensible, embodiments are hereinafter described in detail with reference to the accompanying drawings.

50‧‧‧ear

52‧‧‧eardrum

54‧‧‧ear canal

100‧‧‧ eardrum puncture device

110‧‧‧ main body

115‧‧‧ retaining ring

120‧‧‧ Replaceable insert

120a‧‧‧Insertion end

124‧‧‧Assembly hole

130‧‧‧Image capture unit

130a‧‧‧left lens

130b‧‧‧ right lens

140‧‧‧ Replaceable puncture piece

142‧‧‧Driver

150‧‧‧ Grip

152‧‧‧switch button

160‧‧‧Fixed unit

162‧‧‧earpieces

162a‧‧‧perforation

164‧‧‧holding parts

164a‧‧‧Through Hole

170‧‧‧Suction fittings

172‧‧‧ear tube

174‧‧‧vacuum line

180‧‧‧display unit

182‧‧‧The first control key

184‧‧‧Second control key

190‧‧‧light source

d1, d2‧‧‧ distance

FIG. 1A is a schematic diagram of the appearance of an eardrum puncture device according to an embodiment of the present invention.

FIG. 1B is a schematic side view of a display unit of the eardrum puncture device of FIG. 1A.

FIG. 1C is a schematic diagram of an insertion end of a replaceable insertion portion of the eardrum puncture device of FIG. 1A.

2A and 2B show an embodiment of the replaceable insertion portion of the eardrum puncture device of FIG. 1A.

Fig. 3 is a schematic diagram of some components of the eardrum puncture device of Fig. 1A.

4A and 4B are schematic cross-sectional views of some components of the eardrum puncture device of FIG. 1A.

5A is an exploded schematic view of a fixing unit of the eardrum puncture device of FIG. 1A.

5B and 5C are schematic diagrams of an embodiment of the fixing unit of the eardrum puncture device of FIG. 1A.

FIG. 6 is a schematic diagram of an embodiment of the eardrum puncture device of FIG. 1A.

FIG. 1A is an appearance view of an eardrum puncture device according to an embodiment of the present invention intention. FIG. 1B is a schematic side view of a display unit of the eardrum puncture device of FIG. 1A. FIG. 1C is a schematic diagram of an insertion end of a replaceable insertion portion of the eardrum puncture device of FIG. 1A. Please refer to FIG. 1A, FIG. 1B and FIG. 1C. In this embodiment, the eardrum puncture device 100 includes a main body 110, a replaceable insertion portion 120, and a display unit 180. The replaceable insertion portion 120 is detachably connected to the main body 110 and has an insertion end 120a. Further, the insertion end 120a is located at an end remote from the main body 110, and the insertion end 120a is adapted to be inserted into an ear canal 54 of a user (not shown).

The replaceable insertion portion 120 includes an image capturing unit 130, an assembly hole 124, and a replaceable puncture member 140. The image capturing unit 130 is disposed at the insertion end 120a of the replaceable inserting unit 120. In this embodiment, the image capturing unit 130 may have a dual lens module, such as the left lens 130a and the right lens shown in FIG. 1C. Lens 130b. In addition, the assembling hole 124 extends from the insertion end 120 a toward the main body 110. In this embodiment, since the image capturing unit 130 has both lenses (the left lens 130a and the right lens 130b), the eardrum puncture device 100 can use the dual lenses of the image capturing unit 130 to capture the inside of the ear canal 54. According to the stereo image, the distance between the insertion end 120a of the replaceable insertion portion 120 and the eardrum 52 is obtained based on the stereo image, that is, the depth in the ear canal 54 into which the insertion end 120a is inserted.

Please refer to FIG. 1C again, the replaceable puncture member 140 is removably disposed in the assembling hole 124, and the replaceable puncture member 140 can penetrate the replaceable insertion portion 140 toward the insertion end 120a to the user. The eardrum 52 is punctured.

In this embodiment, the diameters of the left lens 130a and the right lens 130b of the image capturing unit 130 are, for example, less than 4 millimeters (mm). So the image for this example The left lens 130 a and the right lens 130 b of the capturing unit 130 may be disposed on the insertion end 120 a of the replaceable insertion portion 120 at the same time. Therefore, in this embodiment, the insertion end 120a of the image capturing unit 130 having a dual-lens module has a diameter smaller than about 10 mm, and can be inserted into the ear canal 54 of the user.

In this embodiment, the eardrum puncture device 100 simultaneously captures a stereo image in the ear canal 54 through the left lens 130a and the right lens 130b. Then, analysis is performed based on the obtained stereoscopic image to obtain the depth information of the insertion end 120a in the ear canal 54, that is, the distance from the insertion end 120a to the eardrum 52.

As shown in FIG. 1A, the eardrum puncture device 100 of this embodiment further includes a fixing unit 160, and the fixing unit 160 is detachably sleeved on the replaceable insertion portion 120. In this embodiment, the fixing unit 160 may be first put into the ear canal 54 of the user, and slightly open the ear canal 54. Next, the replaceable insertion portion 120 of the eardrum puncture device 100 can be inserted into the ear canal 54 along the fixing unit 160 and fixed to the target arrangement position in the ear canal 54 by the fixing unit 160. After the replaceable insertion portion 120 of the eardrum puncture device 100 is fixed by the fixing unit 160, the replaceable insertion portion 120 cannot move further in the depth direction of the ear canal 54, that is, toward the eardrum 52 to avoid the replaceable The insertion portion 120 contacts the eardrum 52.

As described above, the replaceable insertion portion 120 is detachably disposed on the main body 110, and the fixing unit 160 is detachably sleeved on the replaceable insertion portion 120. In other words, the replaceable insertion portion 120 and the fixing unit 160 can be removed from the main body 110 after the eardrum puncture device 100 is used. In this embodiment, the replaceable insertion portion 120 and the fixing unit 160 are both made of a disposable material, for example. It can reduce the time and manpower required for cleaning and disinfection of the replaceable insertion part 120 and the fixed unit 160, and avoid the infection of germs or viruses between different users through the replaceable insertion part 120 or the fixed unit 160. And allows the user to use the eardrum puncture device 100 more conveniently and hygienicly.

As shown in FIG. 1A, the eardrum puncture device 100 includes a holding portion 150 and a switch button 152. The holding portion 150 is connected to the main body 110, and the switch button 152 is disposed on the holding portion 150. In this embodiment, the user can hold the eardrum puncture device 100 by the holding portion 150, and turn the eardrum puncture device 100 on or off by the switch button 152. In addition, a vacuum line 174 is connected between a vacuum source (not shown) and the holding portion 150, and the vacuum line 174 further extends into the body 110 and connects the replaceable insertion portion 120.

As shown in FIG. 1B, in this embodiment, the display unit 180 is disposed on a side of the main body 110 opposite to the replaceable insertion portion 120. The display unit 180 is electrically connected to the image capturing unit 130 to display a three-dimensional image captured by the image capturing unit 130 in the ear canal 54.

In this embodiment, the display unit 180 may include a first manipulation key 182 and a second manipulation key 184. The first control key 182 is used to control the image capture of the image capture unit 130, and the second control key 184 is used to control the replaceable insertion portion 120 to suck the water in the eardrum 52 through the vacuum line 174.

The eardrum puncture device 100 further includes a light emitting source 190, and the light emitting source 190 is also disposed on the insertion end 120a. Therefore, when the insertion end 120 a is inserted into the ear canal 54 of the user, the light source 190 can provide illumination in the ear canal 54.

In this embodiment, after the replaceable puncture member 140 is used, it can also be removed from the assembly hole 124 for replacement. At the same time, the replaceable puncture member 140 is also made of disposable materials, for example, to reduce the time and labor costs required for cleaning and disinfection, and to reduce the interactive infection of the user or patient's bacteria through the replaceable puncture member 140. Risk, which in turn improves the safety and hygiene of eardrum puncture surgery.

As shown in FIG. 1C, the light emitting source 190 is, for example, a light emitting diode (LED) light source or a laser diode light source. The light source 190 is disposed above the dual lenses of the image capturing unit 130 and can protrude from the insertion end 120a to prevent glare when the lens of the image capturing unit 130 captures an image. Furthermore, the light source 190 can be used to project a fixed mark (not shown) onto the eardrum 52. Then, the image capturing unit 130 of the eardrum puncture device 100 may measure the distance between the insertion end 120a and the eardrum 52 using the fixed mark as a reference sensing target. In other words. The fixed mark projected by the light source 190 can guide the user to align with a specific position on the eardrum 52 in the image, and measure the distance between the insertion end 120a and the specific position.

The light from the light source 190 may also project light through a lens having a fixed mark. For example, the fixed mark is disposed on the bottom of the lens of the image capturing unit 130, and the light source 190 can be refracted on the surface of the eardrum 52 by setting a pin-hole or a slit. A pattern of fixed marks arranged on a lens of the image capturing unit 130.

In this embodiment, since the image capturing unit 130 captures images with dual lenses, the shooting quality of the images can be effectively improved. In other words, image capture The fetching unit 130 can improve the light sensitivity and reduce noise by the dual lens configuration.

Please refer to FIG. 1A again. In this embodiment, the eardrum puncture device 100 further includes a fixing ring 115 which is disposed between the replaceable insertion portion 120 and the main body 110. The replaceable insertion portion 120 is detachably fixed to the main body 110 via a fixing ring 115. Therefore, after the eardrum puncture device 100 is used, the replaceable insertion portion 120 can be removed for cleaning or replacement. Further, as described above, the replaceable inserting portion 120 and all components arranged therein can be made of disposable materials. In this way, the replaceable insertion portion 120 of the eardrum puncture device 100 and its internal components can be easily replaced, and the problems of sanitation or bacterial infection caused by repeated use of the components to the user are avoided.

2A and 2B show an embodiment of the replaceable insertion portion of the eardrum puncture device of FIG. 1A. FIG. 2A illustrates the situation when the replaceable puncture element 140 of the eardrum puncture device 100 is received in the assembly hole 124, and FIG. 2B illustrates the situation when the replaceable puncture element 140 of the eardrum puncture device 100 penetrates the assembly hole 124 Situation. As shown in FIG. 2A and FIG. 2B, the physician or the operator can press the switch button 152 of the holding portion 150 so that the replaceable puncture member 140 in the assembly hole 124 can be driven, so that the replaceable puncture member 140 faces the insertion end. The assembly hole 124 is penetrated in the direction of 120a to puncture the eardrum 52 of the user in FIG. 1.

Before the replaceable puncture member 140 punctures the eardrum 52 of the user, the image capturing unit 130 disposed on the insertion end 120a can first obtain a stereo image in the ear canal 54 of the user with dual lenses, and obtain The depth information of the insertion end 120a in the ear canal 54. After the eardrum puncture device 100 is used, the replaceable type The piercing member 140 can retract the replaceable piercing member 140 into the assembly hole 124 in the replaceable inserting portion 120 by pressing the switch button 152 again.

Fig. 3 is a schematic diagram of some components of the eardrum puncture device of Fig. 1A. In this embodiment, the eardrum puncture device 100 may have a suction tube 170 disposed in the replaceable puncture member 140 described above. That is, the replaceable puncture member 140 surrounds the suction tube 170. In addition, the suction pipe 170 may be connected to a vacuum source via the vacuum line 174 described above. In detail, in this embodiment, after the eardrum puncture device 100 punctures the eardrum 52 with the replaceable puncture member 140, the suction tube 170 may penetrate into the eardrum 52 to extract the water in the eardrum 52 to the ear 50 In addition, to facilitate the subsequent related surgery.

4A and 4B are schematic cross-sectional views of some components of the eardrum puncture device of FIG. 1A. In this embodiment, the suction tube 170 disposed in the replaceable puncture member 140 may be provided with an ear tube 172 at one end close to the opening of the replaceable puncture member 140, and the ear tube 172 may be used to collect water in the eardrum 52 Guided into the suction tube 170. As shown in FIGS. 4A and 4B, after the replaceable puncture member 140 punctures the eardrum 52 in the ear canal 54, the replaceable puncture member 140 can drive the replaceable puncture member 140 by the driving of the driving member 142. It returns to the direction of the assembly hole 124 in the replaceable insertion part 120. At the same time, the ear tube 172 continues to remain in the eardrum 52 until the accumulated water in the eardrum 52 is sucked out through the suction tube 170. After the accumulated water in the eardrum 52 has been pumped, the suction tube 170 and the ear tube 172 connected thereto can be driven back to the assembly hole 124 in the replaceable insertion portion 120 through the driving of the driving member 142.

In this embodiment, the replaceable puncture member 140 of the eardrum puncture device 100 The suction tube 170 is received in the assembly hole 124, and the assembly hole 124, the image capturing unit 130, and the light source 190 are collectively disposed in the replaceable insertion portion 120 of the eardrum puncture device 100. Therefore, the volume of the replaceable insertion portion 120 of the eardrum puncture device 100 can be effectively reduced, and is suitable for insertion into the ear canal 54 of a user. In addition, while the insertion end 120a moves in the ear canal 54 and the replaceable puncture member 140 punctures the eardrum 52, the insertion end 120a and the replaceable puncture can be sensed and determined by the assistance of the image capture unit 130. The member 140 is in a deep position within the ear canal 54.

5A is an exploded schematic view of a fixing unit of the eardrum puncture device of FIG. 1A. In this embodiment, the above-mentioned fixing unit 160 includes an ear piece 162 and a holding piece 164. The ear piece 162 has a hole 162 a, and the holding piece 164 is disposed at the end of the hole 162 a. In this embodiment, the ear piece 162 is detachably inserted into the ear canal 54. The holding member 164 is installed at one end of the ear opening member 162 inserted into the ear canal 54 and movably abuts against the ear canal 54. In addition, the holding member 164 has a through hole 164a to allow the replaceable insertion portion 120 to be inserted therein.

5B and 5C show an embodiment of the fixing unit of the eardrum puncture device of FIG. 1A. Please refer to FIG. 5A, FIG. 5B, and FIG. 5C. As described above, since the ear piece 162 has a perforation 162a, and the replaceable inserting portion 120 can pass through the perforation 164a of the holder 164 through the perforation 162a to replace the replaceable The insertion portion 120 is fixed at a target position in the ear canal 54, that is, a position suitable for the image capturing unit 130 to capture an image. In this embodiment, the holding member 164 is made of, for example, a silicone material having elasticity, and the holding member 164 may be black to absorb light, thereby avoiding the holding member 164 itself. The light is reflected to the image capturing unit 130 to form the sensing noise of the image capturing unit 130, thereby reducing the accuracy of the image sensing.

It is worth mentioning that the inside of the ear opening piece 162 can be filled with gas, and when the replaceable insertion portion 120 is inserted into the ear canal through the ear opening 162, the replaceable insertion portion 120 of the eardrum puncture device 100 can be operated by The force of the person causes the ear opening piece 162 to be squeezed, so that the gas in the ear opening piece 162 is pushed in the direction of the part of the ear opening piece 162 inserted inside the ear canal 54 and the insertion is placed in the ear canal 54 The inner part of the ear piece 162 expands in volume, so that the ear piece 164 abuts more firmly against the inside of the ear canal 54, and at the same time more firmly clamps the replaceable insertion portion 120 passing through the ear piece 162.

FIG. 6 is a schematic diagram of an embodiment of the eardrum puncture device of FIG. 1A. In this embodiment, the sum of the distance d1 and the distance d2 in FIG. 6 is the working distance at which the image capturing unit 130 can capture the stereoscopic color image of the eardrum 52 in the ear canal 54, which is about 0 mm to 10 Between millimeters. When the insertion end 124a of the eardrum puncture device 100 enters the range of the distance d1 described above, the eardrum puncture device 100 can continuously obtain a stereoscopic image in the ear canal 54 captured by the dual lenses of the image capture unit 130 The depth information of the insertion end 120 a of the replacement insertion portion 120 in the ear canal 54, that is, the depth of the insertion end 124 inserted into the ear canal 54 and the distance between the insertion end 124 and the eardrum 52.

In this embodiment, the distance d2 in FIG. 6 is a warning distance. That is, when the insertion end 120a enters the range of the distance d2, the eardrum puncture device 100 starts to issue a sound or a visual image to warn that the insertion end 120a is too close to the eardrum 52 and prevent the insertion end 120a from contacting the eardrum. 52. For example, with The closer the insertion end 120a is to the eardrum 52, the higher the frequency of warning sounds or visual images issued by the eardrum puncture device 100, to remind the operator that the insertion end 120a is close to the eardrum 52, and the insertion end 120a is inside the eardrum 52. To adjust the depth. The eardrum puncture device 100 can determine the proper placement position of the insertion end 120a in the ear canal 54 according to the three-dimensional image displayed by the display unit 180 and the frequency of the warning, and the insertion end 120a can be fixed to the above by the above-mentioned fixing unit 160. On the proper configuration.

In this embodiment, since the eardrum puncture device 100 can obtain the depth information of the insertion end 120a entering the ear canal 54 through the stereo images captured from the ear canal 54 by the dual lens of the image capturing unit 130, the insertion end 120a may be fixed at an appropriate position in the ear canal 54 according to the actual operation requirements of the eardrum puncture device 100, and the insertion end 120a may be prevented from directly contacting the eardrum 52 and causing damage to the eardrum 52. In other words, the insertion end 120a can adjust and optimize the depth of the insertion end 120a entering the ear canal 54 and the arrangement position within the ear canal 54 with the assistance of the image capturing unit 130. Then, the insertion end 120a is fixed to the aforementioned arrangement position by the fixing unit 160. After the insertion end 120a is fixed in an appropriate configuration position, the switch button 152 on the grip 150 of the eardrum puncture device 100 can be pressed, so that the replaceable puncture member 140 in the assembly hole 124 in the replaceable insertion portion 120 is It is driven to penetrate the replaceable insertion portion 120 through the insertion end 120a to puncture the eardrum 52.

In summary, the eardrum puncture device according to various embodiments of the present invention can capture the stereoscopic image in the ear canal through the dual lenses of the image capture unit, and then obtain the replaceable type of the eardrum puncture device based on the stereoscopic image. The insertion end of the insertion part is in the ear canal In depth information. Therefore, the depth position of the insertion end of the replaceable insertion part in the ear canal can be more accurately grasped, so that the insertion end can adjust and optimize its configuration position according to the depth information obtained from the above-mentioned stereoscopic image, thereby avoiding contact of the insertion end To the eardrum. In addition, the replaceable insertion portion and the insertion end thereof can be fixed to the above-mentioned arrangement position by a fixing unit. In addition, the replaceable puncture element can also puncture the eardrum more accurately with the assistance of the image capture unit during the puncture process, and the operator can more effectively grasp the depth of the eardrum.

In various embodiments of the present invention, since the diameter of the image capturing unit is, for example, less than 4 mm, the dual lens of the image capturing unit can be arranged on the insertion end at the same time, and the insertion end can also have a An assembly hole for a replaceable puncture member and a light source for lighting and fixed mark projection are provided. Therefore, the eardrum puncture device does not need to replace components during the process of image capture and eardrum puncture, and can simultaneously perform image capture and eardrum puncture.

In various embodiments of the present invention, the replaceable insertion portion of the eardrum puncture device and its internal components can be made of disposable materials, which facilitates the replacement of the components of the eardrum puncture device and avoids the repeated use of the components. It causes problems such as germ infection to users, so as to improve the hygiene and convenience for users.

Although the present invention has been disclosed as above with the examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some modifications and retouching without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the attached patent application.

Claims (9)

An eardrum puncture device includes: a main body; a replaceable insertion portion detachably connected to the main body, wherein the replaceable insertion portion has an insertion end located at an end remote from the main body and is suitable for inserting a user In an ear canal, the replaceable insertion portion includes: an image capture unit disposed at the insertion end; an assembly hole extending from the insertion end toward the main body; and a replaceable puncture member that is removable The ground is disposed in the assembly hole, and the replaceable puncture member is adapted to penetrate the assembly hole toward the insertion end to puncture an eardrum of the user; a display unit is disposed on the main body and The image capturing unit is electrically connected to display the captured image of the image capturing unit; and a fixing unit is detachably sleeved on the replaceable insertion part, and the fixing unit includes: an ear piece To be detachably inserted into the ear canal, wherein the inside of the ear piece is filled with gas; and a retaining member arranged at one end of the ear piece inserted into the ear canal, and the retaining piece is movably abutted against The ear canal, wherein the holding member has a through hole, and the replaceable insertion portion is penetrated in the through hole to fix the replaceable insertion portion in the ear canal, and when the replaceable insertion portion passes through When the ear piece is inserted into the ear canal, the replaceable inserting portion squeezes the ear piece, so that the gas in the ear piece faces the part of the ear piece inserted into the ear canal. Pushing, and expanding the volume of the ear piece inserted into the ear canal. The eardrum puncture device according to item 1 of the patent application scope, wherein the image capturing unit has a dual lens module. The eardrum puncture device according to item 1 of the scope of patent application, further comprising a fixing ring disposed between the replaceable insertion portion and the main body, wherein the replaceable insertion portion is detachably fixed to the fixing ring via the fixing ring. On the subject. The eardrum puncture device according to item 1 of the scope of patent application, further comprising a light source arranged at the insertion end, wherein the light source is adapted to provide an illumination light when the insertion end is inserted into the ear canal. The eardrum puncture device according to item 1 of the scope of patent application, further comprising a driving member disposed in the assembly hole and coupled to the replaceable puncture member, wherein the drive member is adapted to drive the replaceable puncture member toward The insertion end passes through the assembly hole. The eardrum puncture device according to item 1 of the scope of patent application, further includes a suction tube arranged in the replaceable puncture piece. The eardrum puncture device according to item 6 of the patent application scope further comprises at least one ear tube, which is sleeved on one end of the suction tube. The eardrum puncture device according to item 1 of the scope of patent application, further comprising a holding portion and a switch button, wherein the holding portion is connected to the main body, and the switch button is disposed on the holding portion. The eardrum puncture device according to item 1 of the patent application scope, wherein the replaceable insertion portion is made of a disposable material.