CN109157184B - A kind of multifunctional examining otoscope of one-handed performance - Google Patents
A kind of multifunctional examining otoscope of one-handed performance Download PDFInfo
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- CN109157184B CN109157184B CN201811166924.3A CN201811166924A CN109157184B CN 109157184 B CN109157184 B CN 109157184B CN 201811166924 A CN201811166924 A CN 201811166924A CN 109157184 B CN109157184 B CN 109157184B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/227—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for ears, i.e. otoscopes
- A61B1/2275—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for ears, i.e. otoscopes with controlled air pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00066—Proximal part of endoscope body, e.g. handles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/05—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
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- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
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- Radiology & Medical Imaging (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a kind of multifunctional examining otoscopes of one-handed performance, reciprocal promotion pushing block moves up and down, the effect of constantly air-blowing and pumping into ear canal can be realized, realize singlehanded operation, to vacate an other Hand supplementary inspection, it is adjusted to otoscope tip position is peeped, it is regular towards manually being guided to patient's ear, or real-time written record is carried out to the state of an illness, it is adjusted or records to solve and need just peep otoscope taking-up in the prior art after carrying out air-blowing several times, it reinserts again later and peeps otoscope and carry out air-blowing again, it is caused cumbersome, the problem of inefficiency, enable the surgeon to the singlehanded air-blowing inspection completed to ear canal, significantly improve inspection efficiency, it needs a hand to hold otoscope in compared to the prior art to be observed, the structure that another hand control air bag is squeezed and loosened, tool There are substantive distinguishing features outstanding and significant progress.
Description
Technical field
The present invention relates to ear examination fields, and in particular to a kind of multifunctional examining otoscope of one-handed performance.
Background technique
Otoscope is similar to funnel to check external auditory canal and the common instrument of eardrum, and caliber size is different, forms a set of, root
It is selected according to patient's external auditory canal diameter.Its principle is that the ear canal image inside ear is exaggerated in order to doctor using magnifying glass to examine
It looks into.Otoscope in the prior art develops progressively towards electronization, image viewing direction, by integrating camera shooting on otoscope
Head, to intuitively directly show ear internal image on a display screen.But this otoscope is compared to traditional
For magnifier type otoscope, expensive, cost significantly increases, and it is larger to promote difficulty.In the poor small towns of economic condition, society
District hospital or health-center, what is be widely used is still traditional magnifier type otoscope.In the prior art, have and put in traditional
Integrated illumination device on big mirror otoscope, is allowed to provide direct light for doctor, convenient for by visually to ear canal internal
Observation.But in small perforation on needing to check eardrum mobility or eardrum, it is necessary to replace air-blowing air bag into ear canal not
Disconnected blasts, air is sucked out, so as to cause relative motion inside and outside eardrum.In the process, doctor needs a hand to hold air bag
Carry out it is continuous squeeze and loosen, another hand holds otoscope again and is observed, it is occupied to result in doctor's both hands, can not
Free hand to adjustment peep otoscope tip position, can not to patient's ear towards manually be guided it is regular, also can not be to the state of an illness
Carry out real-time written record；Doctor is frequently necessary to just peep otoscope taking-up after carrying out air-blowing several times, is recorded, Zhi Houzai
It reinserts and peeps otoscope and carry out air-blowing, cumbersome, inefficiency again.
Summary of the invention
The purpose of the present invention is to provide a kind of multifunctional examining otoscopes of one-handed performance, to solve in the prior art to patient
When ear canal carries out air-blowing inspection, the problem of needing doctor's both hands to operate, realize can the singlehanded air-blowing inspection completed to ear canal, mention
Height checks the purpose of efficiency.
The present invention is achieved through the following technical solutions:
A kind of multifunctional examining otoscope of one-handed performance is peeped including pedestal, fixed peep ear device, axis on the base with described
The convex lens of the axis collinear of ear device further includes grab handle, and microscope base, the microscope base and institute are fixedly connected at the top of the grab handle
It states pedestal to be fixedly connected by connecting rod, mounting post is fixedly connected at the top of the microscope base, the axis of the mounting post is parallel to described
The axis of ear device is peeped, close to one end setting lighting source for peeping ear device direction, mounting post is separate to peep where ear device mounting post
The convex lens is arranged in the one end in direction；The main shaft that the grab handle includes hollow shell, is located in the shell, it is described outer
Toroidal cavity, the axis collinear of the axis of the toroidal cavity and the main shaft, the toroidal cavity are formed between shell and main shaft
Interior setting annular piston, the annular piston match with the toroidal cavity, the opening of the side wall of outer shell setting strip,
The long axis of the opening is parallel to the axis of toroidal cavity, further includes pushing block, and one end of the pushing block is located at that shell is outer, the other end
It is inserted into toroidal cavity from the opening, the pushing block can be moved along the long axis of the opening, and pushing block is located at
One end in toroidal cavity is fixedly connected with push rod, and the push rod is fixedly connected far from one end of pushing block with annular piston；When described
When pushing block is located at the opening along the bottom end of long axis direction, the annular piston is located at opening along the top of long axis direction；
First airflow channel is set in the connecting rod, the second airflow channel is set in the pedestal, the shell for peeping ear device is by outer layer
Shell and inner shell composition, form third airflow channel between the outer shell, inner shell；The top of the toroidal cavity
Portion, the first airflow channel, the second airflow channel, third airflow channel are sequentially communicated.
When for the problem that carrying out air-blowing inspection to patient's ear canal in the prior art, doctor's both hands is needed to operate, the present invention
It is proposed a kind of multifunctional examining otoscope of one-handed performance, wherein pedestal peeps ear device for fixation, peeps ear device for being inserted into patient's ear canal
In.Grab handle is the component that doctor is hold by one hand, and top is fixedly connected with microscope base, and pedestal is fixedly connected on microscope base by connecting rod
On, therefore it is also just fixed relative to microscope base to peep ear device.Mounting post is fixedly connected at the top of microscope base, mounting post is close to peep ear device institute
Lighting source is set in the one end in direction, the convex lens, convex lens is arranged far from the one end for peeping ear device direction in mounting post
Axis with peep the axis collinear of ear device, therefore be to peep to provide illumination in otoscope, while passing through convex lens pair by lighting source
It peeps in ear device and amplifies, realize the routine inspection function to ear canal.In order to realize that singlehanded can stablize carries out air-blowing operation
Grab handle is set double-layer structure by effect, the present invention, i.e., external is shell, and inside is main shaft, is formed between shell and main shaft
Toroidal cavity.The axis collinear of the axis of toroidal cavity and the main shaft, therefore toroidal cavity constitutes piston cylinder structure, then in ring
Annular piston is set in shape cavity, so that annular piston matches with toroidal cavity, it is that annular piston can be with toroidal cavity
As piston cylinder, moved wherein along axis direction.Pushing block is fixedly connected with annular piston by push rod simultaneously, pushing block
The moving direction in opening equally along the axis direction of toroidal cavity, therefore when pushing block opening in carry out along annular
When the linear motion of the axis direction of cavity, then it can be moved, be passed through in toroidal cavity by push rod, annular piston undetermined
Annular piston carries out continuous compression and release to the upper space of toroidal cavity, and suction and the pressurization function of piston are realized with this
Energy.When the pushing block is located at the opening along the bottom end of long axis direction, the annular piston is located at opening along long axis direction
It is also still to be located on the top of opening, it is ensured that the opening when annular piston is located at minimum position on top
Always the air leakage in the toroidal cavity on annular piston is not will lead to.When the present invention is specifically used, doctor only needs one hand
Grab handle is held, using any one finger, preferably thumb or index finger pushes pushing block, move up pushing block in opening, i.e.,
Annular piston can be pushed to move up in toroidal cavity, so that the region that toroidal cavity is located above annular piston is squeezed, it will
In air extrusion to the first airflow channel in the region, air is followed by the first airflow channel, the second airflow channel, third
Airflow channel can spray between the outer shell and inner shell for peeping ear device, to air-blowing is carried out in the ear canal of patient, simultaneously
Illumination is provided by lighting source, and is observed by convex lens；Conversely, pushing pushing block oppositely downward, can be realized in ear canal
Interior pumping, reciprocal promotion pushing block move up and down, and the effect of constantly air-blowing and pumping into ear canal can be realized, and realize single
Manual task, thus vacate an other Hand supplementary inspection, to peep otoscope tip position be adjusted, to patient's ear towards carry out
Manually guide regular or real-time written record carried out to the state of an illness, thus solve need in the prior art carry out it is several
Otoscope taking-up will be just peeped after secondary air-blowing to be adjusted or record, and be reinserted again later and be peeped otoscope and carry out air-blowing again, it is caused
The problem of cumbersome, inefficiency, enables the surgeon to the singlehanded air-blowing inspection completed to ear canal, significantly improves inspection effect
Rate, compared to the prior art in need hand to hold otoscope is observed, another hand control air bag is squeezed and loosened
Structure, have substantive distinguishing features outstanding and significant progress.
Further, the spherical cushion chamber of setting inside the microscope base, the cushion chamber simultaneously with the top of toroidal cavity,
First airflow channel is connected, and the cushion chamber crosses the section area of a circle of the centre of sphere, and it is vertical to be greater than toroidal cavity, the first airflow channel
Area in the section in own axes direction.Cushion chamber crosses the section garden area of the centre of sphere, the ring connected than both ends in this programme
Shape cavity, the first airflow channel area of section will be big, therefore when air-flow enters cushion chamber from toroidal cavity, can pass through
Cushion chamber avoids causing the air-flow velocity blasted in patient's ear canal too fast when pushing pushing block too fast, so that it is too fast to solve air-flow velocity
The problem of causing impact to patient's ear canal, improves stability in use and safety of the invention.And when air-flow from buffer it is intracavitary into
When entering in the first airflow channel, due to becoming smaller for latus rectum, and flow velocity can be properly increased and increase kinetic energy, cushion chamber is avoided to consume
Excessive power causes gas flowing excessively gentle.Therefore, by the setting of cushion chamber, use effect of the invention can be effectively improved
Fruit can be preferably from being physiologically easily accepted by the patient when checking the present invention for patient's ear canal.
Further include the support frame for being used to support the convex lens, is connected between support frame as described above and mounting post by bolt
It connects；Battery is set in the mounting post, and the battery is used to power for lighting source.Pass through between support frame and mounting post
Bolt is attached, thus in convex lens damage, it is only necessary to lower bracing frame is unloaded, the convex lens and support frame more renewed, and nothing
It need to integrally scrap, reduce integral replacing frequency, save use cost.
The shell, main shaft are fixedly connected in bottom end by the connecting plate of annular, between the connecting plate and annular piston
Several springs are provided with, several springs are uniformly distributed along the circumferential direction of main shaft, one end of the spring is welded on connecting plate,
The other end is welded on annular piston.Connecting plate plays the role of fixing shell and main shaft, at the same by spring make doctor to
After upper promotion pushing block, it is only necessary to loosen finger, the reset of annular piston can be realized under the reset force of spring, to loosen finger
The pumping process in ear canal can be realized, doctor's finger, which only needs to have an effect, to be pushed up pushing block, loosens again, can be realized one it is complete
Whole air-blowing and pumping process is further simplified one-handed performance difficulty of the invention, improves ease of use of the invention, improves
The efficiency of ear canal inspection.
The shell, main shaft, annular piston are made by stainless steel material, and the outer surface of the annular piston is embedded
Rubber seal.Ensure air-tightness by rubber seal.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of multifunctional examining otoscope of one-handed performance of the present invention, reciprocal promotion pushing block are moved up and down, be can be realized not
The effect of the disconnected air-blowing into ear canal and pumping realizes singlehanded operation, to vacate an other Hand supplementary inspection, to peeping otoscope
Tip position is adjusted, is manually guided regular to patient's ear direction or carry out writing note in real time to the state of an illness
Record is adjusted or records to solve and need just peep otoscope taking-up in the prior art after carrying out air-blowing several times, later
It reinserts again and peeps otoscope and carry out air-blowing again, the problem of caused cumbersome, inefficiency, enable the surgeon to singlehanded complete
The air-blowing inspection of pairs of ear canal significantly improves inspection efficiency, compared to the prior art in need a hand to hold otoscope to be seen
It examines, the structure that another hand control air bag is squeezed and loosened, there is substantive distinguishing features outstanding and significant progress.
2, a kind of multifunctional examining otoscope of one-handed performance of the present invention can when air-flow enters cushion chamber from toroidal cavity
The air-flow velocity for causing to blast when avoiding by cushion chamber and push pushing block too fast in patient's ear canal is too fast, to solve air-flow velocity
Too fast the problem of impact is caused to patient's ear canal, improve stability in use and safety of the invention.And work as air-flow from cushion chamber
When in the first airflow channel of interior entrance, due to becoming smaller for latus rectum, and flow velocity can be properly increased and increase kinetic energy, cushion chamber is avoided to disappear
Consuming excessive power causes gas flowing excessively gentle.Therefore, by the setting of cushion chamber, of the invention make can be effectively improved
It, can be preferably from being physiologically easily accepted by the patient when checking the present invention for patient's ear canal with effect.
3, a kind of multifunctional examining otoscope of one-handed performance of the present invention, after doctor pushes up pushing block, it is only necessary to loosen finger, i.e.,
The reset of annular piston can be realized under the reset force of spring, so that loosening finger can be realized the pumping process in ear canal,
Doctor's finger, which only needs to have an effect, to be pushed up pushing block, loosens again, and a complete air-blowing and pumping process can be realized, further letter
The efficiency for changing one-handed performance difficulty, improving ease of use of the invention, improving ear canal inspection.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram that pushing block is located at open bottom in the specific embodiment of the invention；
Fig. 2 is the structural schematic diagram that pushing block is located at open top in the specific embodiment of the invention；
Fig. 3 is the partial enlarged view in Fig. 2 at A.
Label and corresponding parts title in attached drawing:
1- pedestal, 2- convex lens, 3- shell, 4- microscope base, 5- connecting rod, 6- mounting post, 7- lighting source, 8- main shaft, 9- ring
Shape cavity, 10- annular piston, 11- opening, 12- pushing block, 13- push rod, the first airflow channel of 14-, the second airflow channel of 15-,
16- outer shell, 17- inner shell, 18- third airflow channel, 19- cushion chamber, 20- support frame, 21- bolt, 22- electric power storage
Pond, 23- connecting plate, 24- spring, 25- rubber seal.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
A kind of multifunctional examining otoscope of one-handed performance as shown in Figure 1 to Figure 3 including pedestal 1, is fixed on pedestal 1
The convex lens 2 for peeping ear device, axis and the axis collinear for peeping ear device, further includes grab handle, and the top of the grab handle is fixed
Microscope base 4 is connected, the microscope base 4 is fixedly connected with the pedestal 1 by connecting rod 5, it is fixedly connected with mounting post 6 at the top of the microscope base 4,
The axis of the mounting post 6 is parallel to the axis for peeping ear device, and mounting post 6 is shone close to one end setting for peeping ear device direction
The convex lens 2 is arranged far from the one end for peeping ear device direction in Mingguang City source 7, mounting post 6；The grab handle includes hollow outer
Shell 3, the main shaft 8 in the shell 3 form toroidal cavity 9 between the shell 3 and main shaft 8, the toroidal cavity 9
The axis collinear of axis and the main shaft 8, is arranged annular piston 10 in the toroidal cavity 9, the annular piston 10 with it is described
Toroidal cavity 9 matches, and the opening 11 of 3 side wall of the shell setting strip, the long axis of the opening 11 is parallel to annular sky
The axis of chamber 9 further includes pushing block 12, and one end of the pushing block 12 is located at outside shell 3, the other end is inserted at the opening 11
In toroidal cavity 9, the pushing block 12 can be moved along the long axis of the opening 11, and pushing block 12 is located in toroidal cavity 9
One end be fixedly connected with push rod 13, the one end of the push rod 13 far from pushing block 12 is fixedly connected with annular piston 10；It is pushed away when described
When block 12 is located at the opening 11 along the bottom end of long axis direction, the annular piston 10 is located at opening 11 along the top of long axis direction
On；First airflow channel 14 is set in the connecting rod 5, the second airflow channel 15 is set in the pedestal 1, the ear device of peeping
Shell is made of outer shell 16 and inner shell 17, and it is logical that third air-flow is formed between the outer shell 16, inner shell 17
Road 18；The top of the toroidal cavity 9, the first airflow channel 14, the second airflow channel 15, third airflow channel 18 successively connect
It is logical.When the present embodiment is specifically used, doctor only needs one hand to hold grab handle, uses any one finger, preferably thumb or index finger
Pushing block 12 is pushed, moves up pushing block 12 in opening 11, can push annular piston 10 in toroidal cavity 9 to moving up
It is dynamic, to squeeze the region that toroidal cavity 9 is located at 10 top of annular piston, the air extrusion in the region to the first air-flow is led to
In road, air, can be from the outer shell for peeping ear device followed by the first airflow channel, the second airflow channel, third airflow channel
It is sprayed between body and inner shell, to carrying out air-blowing in the ear canal of patient, while providing illumination by lighting source, and pass through convex lens
Mirror is observed；Conversely, pushing pushing block 12 oppositely downward, the pumping in ear canal can be realized, on reciprocal promotion pushing block 12
The effect of constantly air-blowing and pumping into ear canal can be realized in lower movement, singlehanded operation is realized, to vacate an other hand
Auxiliary examination, to peep otoscope tip position be adjusted, it is regular or to the state of an illness towards manually being guided to patient's ear
Carry out real-time written record.
Embodiment 2:
A kind of multifunctional examining otoscope of one-handed performance as shown in Figure 1 to Figure 3, on the basis of embodiment 1, the shell
3, main shaft 8 is fixedly connected in bottom end by the connecting plate 23 of annular, and setting is arranged between the connecting plate 23 and annular piston 10
There are several springs 24, several springs 24 are uniformly distributed along the circumferential direction of main shaft 8, and one end of the spring 24 is welded on connecting plate 23
The upper, other end is welded on annular piston 10.The shell 3, main shaft 8, annular piston 10 are made by stainless steel material,
The outer surface of the annular piston 10 is embedded rubber seal 25.In the present embodiment, after doctor pushes up pushing block 12, it is only necessary to put
It looses one's grip finger, the reset of annular piston 10 can be realized under the reset force of spring 24, so that loosening finger can be realized in ear canal
Interior pumping process, doctor's finger, which only needs to have an effect, to be pushed up pushing block 12, loosens again, and a complete air-blowing can be realized and take out
Gas process.
Preferred embodiment is: spherical cushion chamber 19 is set inside the microscope base 4, the cushion chamber 19 simultaneously with
The top of toroidal cavity 9, the first airflow channel 14 are connected, and the cushion chamber 19 crosses the section area of a circle of the centre of sphere, are greater than annular
Cavity 9, the first airflow channel 14 perpendicular to the section in own axes direction area.
Further include the support frame 20 for being used to support the convex lens 2, passes through bolt between support frame as described above 20 and mounting post 6
21 are attached；Battery 22 is set in the mounting post 6, and the battery 22 is used to power for lighting source 7.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of multifunctional examining otoscope of one-handed performance including pedestal (1), is fixed on pedestal (1) and peeps ear device, axis and institute
State the convex lens (2) for peeping the axis collinear of ear device, which is characterized in that further include grab handle, the top of the grab handle is fixed to be connected
It connects microscope base (4), the microscope base (4) is fixedly connected with the pedestal (1) by connecting rod (5), is fixedly connected at the top of the microscope base (4)
Mounting post (6), the axis of the mounting post (6) are parallel to the axis for peeping ear device, and mounting post (6) is close to peep ear device place side
To one end lighting source (7) are set, the convex lens (2) is arranged far from the one end for peeping ear device direction in mounting post (6)；Institute
The main shaft (8) that grab handle includes hollow shell (3), is located in the shell (3) is stated, between the shell (3) and main shaft (8)
It is formed toroidal cavity (9), the axis of the toroidal cavity (9) and the axis collinear of the main shaft (8), the toroidal cavity (9)
Interior setting annular piston (10), the annular piston (10) match with the toroidal cavity (9), and shell (3) side wall is set
The opening (11) of strip is set, the long axis of the opening (11) is parallel to the axis of toroidal cavity (9), and multifunctional examining otoscope also wraps
Include pushing block (12), one end of the pushing block (12) be located at shell (3) outside, the other end annular sky is inserted at the opening (11)
In chamber (9), the pushing block (12) can be moved along the long axis of the opening (11), and pushing block (12) is located at toroidal cavity
(9) one end in is fixedly connected push rod (13), and one end and annular piston (10) far from pushing block (12) of the push rod (13) are fixed
Connection；When the pushing block (12) are located at the opening (11) along the bottom end of long axis direction, the annular piston (10), which is located at, is opened
Mouth (11) is along the top of long axis direction；The first airflow channel (14) are set in the connecting rod (5), are set in the pedestal (1)
It sets the second airflow channel (15), the shell for peeping ear device is made of outer shell (16) and inner shell (17), the outer layer
Third airflow channel (18) are formed between shell (16), inner shell (17)；The top of the toroidal cavity (9), the first air-flow
Channel (14), the second airflow channel (15), third airflow channel (18) are sequentially communicated.
2. a kind of multifunctional examining otoscope of one-handed performance according to claim 1, which is characterized in that in the microscope base (4)
The spherical cushion chamber (19) of portion's setting, the cushion chamber (19) while the top with toroidal cavity (9), the first airflow channel (14)
It is connected, the cushion chamber (19) crosses the section area of a circle of the centre of sphere, is greater than toroidal cavity (9), the first airflow channel (14) respectively
Perpendicular to the area in the section in own axes direction.
3. a kind of multifunctional examining otoscope of one-handed performance according to claim 1, which is characterized in that further include being used to support
The support frame (20) of the convex lens (2) is attached between support frame as described above (20) and mounting post (6) by bolt (21)；
Battery (22) are set in the mounting post (6), the battery (22) is used to power for lighting source (7).
4. a kind of multifunctional examining otoscope of one-handed performance according to claim 1, which is characterized in that the shell (3), master
Axis (8) is fixedly connected in bottom end by the connecting plate (23) of annular, is arranged between the connecting plate (23) and annular piston (10)
Have several springs (24), several springs (24) are uniformly distributed along the circumferential direction of main shaft (8), and one end of the spring (24) is welded on company
On fishplate bar (23), the other end is welded on annular piston (10).
5. a kind of multifunctional examining otoscope of one-handed performance according to claim 1, which is characterized in that the shell (3), master
Axis (8), annular piston (10) are made by stainless steel material, and the outer surface of the annular piston (10) is embedded rubber seal
It encloses (25).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166924.3A CN109157184B (en) | 2018-10-08 | 2018-10-08 | A kind of multifunctional examining otoscope of one-handed performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166924.3A CN109157184B (en) | 2018-10-08 | 2018-10-08 | A kind of multifunctional examining otoscope of one-handed performance |
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| CN109157184B true CN109157184B (en) | 2019-06-18 |
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| CN112401819A (en) * | 2020-11-18 | 2021-02-26 | 四川大学华西医院 | Auxiliary examination device for artificial auditory ossicle installation |
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| CN109157184A (en) | 2019-01-08 |
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