CN107095641B - A kind of binocular indirect ophthalmoscope - Google Patents
A kind of binocular indirect ophthalmoscope Download PDFInfo
- Publication number
- CN107095641B CN107095641B CN201710296502.7A CN201710296502A CN107095641B CN 107095641 B CN107095641 B CN 107095641B CN 201710296502 A CN201710296502 A CN 201710296502A CN 107095641 B CN107095641 B CN 107095641B
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- button
- fixing belt
- locating piece
- reflective mirror
- abutted
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The present invention relates to medical instruments fields, more particularly, to a kind of binocular indirect ophthalmoscope, including head-wearing device, regulating device and Optical devices, the regulating device includes attachment base and adjusting connector, described attachment base one end is fixedly connected with lateral fixation member both ends, the other end and adjusting connector one end are hinged, and the adjusting connector other end is fixedly connected with the Optical devices, and the attachment base is equipped with several tooth sockets；The regulating device is equipped with limit spring, first receiving space and the second accommodation space, the first receiving space is equipped with locating piece, described limit spring one end is abutted with locating piece, the other end is abutted with first receiving space bottom, and the locating piece abuts opposite other end with the limit spring and connects to forming engaging with tooth socket；Second accommodation space is equipped with regulation button, and regulation button control locating piece moves downward.The configuration of the present invention is simple is durable, has good fixed effect, and control method is simple.
Description
[technical field]
The present invention relates to medical instruments fields, more particularly, to a kind of binocular indirect ophthalmoscope.
[background technique]
Funduscopy is one of ophthalmology routine inspection project, and ophthalmoscope is medical optical instrument indispensable in funduscopy
Device, is generally divided into direct opthalmoscope and two kinds of indirect ophthalmoscope, the inspection of direct opthalmoscope apart from short, visual field is small, illumination is low,
There is certain limitation in its use scope；Binocular indirect ophthalmoscope can obtain good stereovision vision, and big with the depth of field,
Imaging clearly and can with teaching, take pictures, image the advantages that, thus binocular indirect ophthalmoscope inspection technique have become current most convenient,
Superior funduscopy method.Ophthalmoscope frequency of use is high in practice, and doctor requires accordingly to be examined to each patient
It looks into, existing binophthalmoscope uses the wheeled angle for adjusting opticator of rotation bidentate and the elastic fixation for wearing part, due to
It is serious that access times excessively frequently will lead to gear wear, cannot effectively be fixed again, seriously affect using effect.
[summary of the invention]
In view of the foregoing, it is necessary to one kind is provided and overcomes deficiency in the prior art,
To achieve the above object, the technical solution adopted by the present invention is that: a kind of binocular indirect ophthalmoscope, including wear dress
It sets, regulating device and Optical devices, the head-wearing device includes longitudinally fixed component and lateral fixation member, described longitudinally fixed
Component both ends are fixedly connected with lateral fixation member respectively；
The regulating device includes attachment base and adjusts connector, and described attachment base one end is fixed with lateral fixation member both ends
Connection, the other end and adjusting connector one end are hinged, and the adjusting connector other end is fixedly connected with the Optical devices, the company
Joint chair is equipped with several tooth sockets；
The regulating device is equipped with limit spring, first receiving space and the second accommodation space, the first receiving space
Equipped with locating piece, described limit spring one end is abutted with locating piece, and the other end is abutted with first receiving space bottom；The positioning
Block one end is abutted with the limit spring, and the other end connects to forming engaging with tooth socket；
Second accommodation space is equipped with regulation button and limit hole, and the regulation button includes button head, button company
Socket part and button press portion, button interconnecting piece both ends are fixedly connected with button head and button press portion respectively, described to press
Button head portion protrudes into the second accommodation space and abuts with the locating piece, and the face that the button head contacts with each other with the locating piece is in
Inclined-plane, the button head are stretched out outside the adjusting connector, and the button interconnecting piece can move back and forth in limit hole, described to press
Button head portion and button press portion cannot pass through the limit hole；
The longitudinally fixed component and lateral fixation member include the first fixing belt and the second fixing belt, and described first is solid
Determine band and the second fixing belt is slidably connected, first fixing belt is equipped with lock slots, and second fixing belt is equipped with and the lock
Determine the locking device that slot is used cooperatively.
Further, the Optical devices include light source, condenser, projecting mirror, the first reflective mirror, the second reflective mirror,
Three reflective mirrors, eyepiece and object lens, the condenser are located at immediately below light source, and the projecting mirror is located at immediately below condenser, described
The rear focus of object lens is overlapped with the object focus of the eyepiece, first reflective mirror, the second reflective mirror and third reflective mirror
Form reflective microscope group, the light source, condenser, projecting mirror, the first reflective mirror, the second reflective mirror, third reflective mirror, eyepiece and object
Mirror is contained in a shell.
Further, the locking device includes shaft, lock, torsional spring and control-rod, the rotatable fixation of shaft
In in second fixing belt, described lock one end is fixedly connected with the shaft, and the other end is corresponding with the lock slots to be fastened,
The control-rod is fixedly connected to control the shaft rotation with the shaft；Shaft be equipped with torsional spring, the one end of torsional spring with
Second fixing belt abuts, and the other end is abutted with described latch, described to latch under the torsional spring twisting force with described the
One is fixedly connected.
Further, the locking slot number is several, several lock slots are along the length side of first fixing belt
To being spaced apart.
Further, the face tilt angle that the button head and the locating piece contact with each other is 45 °.
Further, the limit hole is set to the second accommodation space by two limited blocks and is formed
Due to the adoption of the above technical scheme, the invention has the following advantages: binocular indirect ophthalmoscope of the present invention is fixed
Device controls the flexible of locating piece by button, locks or unlocks to realize to tooth socket, to realize monodentate wheel mode
The angle for controlling opticator, will not generate the abrasion between gear, avoid causes gear wear serious using after certain number
Problem of Failure.The length that part fixes the first fixing belt Yu the second fixing belt using snap close mode is worn, structure is simple and durable, tool
There is good fixed effect, and control method is simple.
[Detailed description of the invention]
Fig. 1 is binocular indirect ophthalmoscope structural schematic diagram of the present invention.
Fig. 2 is binocular indirect ophthalmoscope regulating device structural schematic diagram of the present invention.
Fig. 3 is binocular indirect ophthalmoscope locking device structure schematic diagram of the present invention.
Fig. 4 is binocular indirect ophthalmoscope opticator structural schematic diagram of the present invention.
In attached drawing, 1- Optical devices；2- regulating device；3- head-wearing device；21- attachment base；211- tooth socket；22- adjusting connects
Head；221- limit spring；222- first receiving space；The second accommodation space of 223-；224- locating piece；225- regulation button；
226- limit hole；2251- button head；2252- button interconnecting piece；2253- button press portion；31- transverse direction fixation member；32-
Longitudinally fixed component；The first fixing belt of 33-；The second fixing belt of 34-；35- locking device；331- lock slots；351- shaft；352-
Lock；353- torsional spring；354- control-rod；11- light source；12- condenser；13- projecting mirror；15- object lens；The first reflective mirror of 16-；
The second reflective mirror of 17-；18- third reflective mirror；19- eyepiece.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Figure 1, the present invention provides a kind of binocular indirect ophthalmoscope, including head-wearing device 3 and regulating device 2, wears
Device 3 includes longitudinally fixed component 32 and lateral fixation member 31, longitudinally fixed 32 both ends of component respectively with lateral fixation member
31 are fixedly connected.
Regulating device 2 includes attachment base 21 and adjusts connector 22, and 21 one end of attachment base and lateral 31 both ends of fixation member are solid
Fixed connection, the other end and adjusting 22 one end of connector are hinged, adjust 22 other end of connector and are fixedly connected with Optical devices 1；Adjusting connects
First 22 other end is fixedly connected with Optical devices 1, and attachment base 21 is equipped with several tooth sockets 211.
Regulating device 2 is equipped with limit spring 221, first receiving space 222 and the second accommodation space 223, and first accommodates sky
Between 222 be equipped with locating piece 224.221 one end of limit spring is abutted with locating piece 224, the other end and 222 bottom of first receiving space
It abuts；224 one end of locating piece is abutted with limit spring 221, and the other end connects to forming engaging with tooth socket 211；Normality lower limit bullet
Spring 221 provides elastic force and locating piece 224 is made to connect to forming engaging with tooth socket 211, so that attachment base 21 and adjusting connector 22 are opposite
Position is fixed.
Second accommodation space 223 is equipped with regulation button 225 and limit hole 226, and regulation button 225 includes button head
2251, button interconnecting piece 2252 and button press portion 2253,2252 both ends of button interconnecting piece respectively with button head 2253 and press
Button press section 2251 is fixedly connected, and button head 2253 protrudes into the second accommodation space 222 and abuts with locating piece 224, button head
2253 faces to contact with each other with locating piece 224 are in inclined-plane, and button head 2253, which is stretched out, to be adjusted outside connector 22, button interconnecting piece 226
Limit hole 226 can be being passed through, button head 2253 and button press portion 2251 cannot pass through the limit hole 226, so that adjusting
Button 225, which cannot be detached from, adjusts connector 22；When button head 2253 is adjusted in pressing, regulation button 223 is given locating piece 224 and is pressed downward
Power, so that locating piece 224 overcomes 221 elastic force of limit spring to move downward out locking of the releasing of tooth socket 211 to attachment base 21.
Optical devices 1 include light source 11, condenser 12, projecting mirror 13, the first reflective mirror 16, the second reflective mirror 17, third
Reflective mirror 18, eyepiece 19 and object lens 15, condenser 12 are located at immediately below light source 11, and projecting mirror 13 is located at immediately below condenser 12,
The rear focus of object lens 15 is overlapped with the object focus of eyepiece 19, the first reflective mirror 16, the second reflective mirror 16 and third reflective mirror
The 18 reflective microscope groups of composition, the light source 11, condenser 12, projecting mirror 13, the first reflective mirror 16, the second reflective mirror 17, third are anti-
Light microscopic 18, eyepiece 19 and object lens 15 are contained in a shell.
Further, longitudinally fixed component 32 and lateral fixation member 31 include the first fixing belt 33 and the second fixing belt
34, the first fixing belt 33 and the second fixing belt 34 are slidably connected, and the first fixing belt 33 is equipped with lock slots 331, the second fixing belt 34
Equipped with the locking device 35 being used cooperatively with lock slots 331.
Locking device 35 includes shaft 351, lock 352, torsional spring 353 and control-rod 354, the rotatable fixation of shaft 351
In in the second fixing belt 34,352 one end of lock are fixedly connected with shaft 351, and the other end is corresponding with lock slots 331 to be fastened, control
Bar 354 is fixedly connected to control the rotation of shaft 351 with shaft 351；Shaft 351 is equipped with torsional spring 353,353 one end of torsional spring and the
Two fixing belts 34 abut, and the other end 352 is abutted with lock, latch 352 under 353 twisting force of torsional spring with 33 phase of the first fixing belt
It connects.
The face tilt angle that button head 2253 and locating piece 224 contact with each other is 45 °.Limit hole 226 is limited by two
Block is set on the formation of the second accommodation space 223.
The fixed device application method of binocular indirect ophthalmoscope of the present invention is briefly described below, when doctor needs to wear ophthalmoscope
When, head-wearing device 3 is inserted in doctor head, wherein lateral fixation member 31 entangles doctor's back side of head, longitudinally fixed component 32 from
Doctor's overhead passes through, and then pulls the first fixing belt 33 toward the negative side of 331 locking direction of lock slots according to doctor's head size
To movement, so that the first fixing belt 33 is bonded the fixed ophthalmoscope in doctor head with the first fixing belt 34.When needing to adjust ophthalmoscope
When angle, when button head 2253 is adjusted in pressing, regulation button 223 gives locating piece 224 downward pressure, so that 224 grams of locating piece
It takes 221 elastic force of limit spring and moves downward out tooth socket 211 and release locking to attachment base 21, then with hand adjustment section Optical devices 1
Angle；After mixing up angle, release 225 locating piece 224 of regulation button stretches out under the elastic force of limit spring 221 to be connect with tooth socket 211
Touching is to fixed connecting base 21 and the relative position for adjusting connector 22.After inspection, the control-rod of device 35 is pressure-locked
354, so that the rotation of control-rod 354 drives shaft 351, so that lock 352 is detached from lock slots 331 to unlock, pull
First fixing belt 33 can unload ophthalmoscope career in medicine repiece portion.
Embodiments described above is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Claims (5)
1. a kind of binocular indirect ophthalmoscope, including head-wearing device, regulating device and Optical devices, it is characterised in that: described to wear
Device includes longitudinally fixed component and lateral fixation member, and the longitudinally fixed component both ends are fixed with lateral fixation member respectively
Connection；
The regulating device includes attachment base and adjusts connector, and described attachment base one end and lateral fixation member both ends are fixed and connected
It connects, the other end and adjusting connector one end are hinged, and the adjusting connector other end is fixedly connected with the Optical devices, the connection
Seat is equipped with several tooth sockets；
The regulating device is equipped with limit spring, first receiving space and the second accommodation space, and the first receiving space is equipped with
Locating piece, described limit spring one end are abutted with locating piece, and the other end is abutted with first receiving space bottom；The locating piece one
End is abutted with the limit spring, and the other end connects to forming engaging with tooth socket；
Second accommodation space is equipped with regulation button and limit hole, and the regulation button includes button head, button interconnecting piece
And button press portion, button interconnecting piece both ends are fixedly connected with button head and button press portion respectively, the button head
Portion protrudes into the second accommodation space and abuts with the locating piece, and the face that the button head contacts with each other with the locating piece is in oblique
Face, the button head are stretched out outside the adjusting connector, and the button interconnecting piece can move back and forth in limit hole, the button
Head and button press portion cannot pass through the limit hole;
The longitudinally fixed component and lateral fixation member include the first fixing belt and the second fixing belt, first fixing belt
It is slidably connected with the second fixing belt, first fixing belt is equipped with lock slots, and second fixing belt is equipped with and the lock slots
The locking device being used cooperatively；The Optical devices include light source, condenser, projecting mirror, the first reflective mirror, the second reflective mirror,
Third reflective mirror, eyepiece and object lens, the condenser are located at immediately below light source, and the projecting mirror is located at immediately below condenser, institute
The rear focus for stating object lens is overlapped with the object focus of the eyepiece, and first reflective mirror, the second reflective mirror and third are reflective
Microscope group is at reflective microscope group, the light source, condenser, projecting mirror, the first reflective mirror, the second reflective mirror, third reflective mirror, eyepiece
And object lens are contained in a shell.
2. binocular indirect ophthalmoscope according to claim 1, it is characterised in that: the locking device include shaft, lock,
Torsional spring and control-rod, the shaft are rotatably affixed in second fixing belt, and described lock one end and the shaft are solid
Fixed connection, the other end is corresponding with the lock slots to be fastened, and the control-rod is fixedly connected to control the shaft with the shaft
Rotation；Shaft is equipped with torsional spring, and the one end of torsional spring is abutted with second fixing belt, and the other end is abutted with the lock, institute
It states to latch under the torsional spring twisting force and connect with first fixing belt.
3. binocular indirect ophthalmoscope according to claim 1, it is characterised in that: the locking slot number is several, if
A dry lock slots are spaced apart along the length direction of first fixing belt.
4. binocular indirect ophthalmoscope according to claim 1, it is characterised in that: the button head and the locating piece phase
The face tilt angle mutually contacted is 45 °.
5. binocular indirect ophthalmoscope according to claim 1, it is characterised in that: the limit hole is set to by two limited blocks
Second accommodation space is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710296502.7A CN107095641B (en) | 2017-04-28 | 2017-04-28 | A kind of binocular indirect ophthalmoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710296502.7A CN107095641B (en) | 2017-04-28 | 2017-04-28 | A kind of binocular indirect ophthalmoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107095641A CN107095641A (en) | 2017-08-29 |
| CN107095641B true CN107095641B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710296502.7A Active CN107095641B (en) | 2017-04-28 | 2017-04-28 | A kind of binocular indirect ophthalmoscope |
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| CN (1) | CN107095641B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184179B (en) * | 2017-04-28 | 2019-01-01 | 广西驰胜农业科技有限公司 | It is a kind of to facilitate the binocular indirect ophthalmoscope for adjusting angle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675919A (en) * | 1985-05-08 | 1987-06-30 | Proper Manufacturing Co. Inc. | Headband with cushion |
| US5861939A (en) * | 1997-10-16 | 1999-01-19 | Odyssey Optical Systems, Llc | Portable fundus viewing system for an undilated eye |
| US6095647A (en) * | 1999-09-13 | 2000-08-01 | Health & Technology, Inc. | Ophthalmoscope attachment |
| CN102755148A (en) * | 2011-04-28 | 2012-10-31 | 明达医学科技股份有限公司 | Portable fundus examination device |
| CN104287692A (en) * | 2014-11-06 | 2015-01-21 | 苏州微清医疗器械有限公司 | Fundus oculi shooting device |
| CN204468038U (en) * | 2015-02-13 | 2015-07-15 | 陈瑶 | A kind of ophthalmofundoscope Portable detachable eye-shading plate |
| WO2016022215A1 (en) * | 2014-08-08 | 2016-02-11 | The Johns Hopkins University | Head-mounted indirect opthalmoscope camera |
| CN205514532U (en) * | 2016-02-04 | 2016-08-31 | 丁熊 | Multi -functional visual digital ophthalmoscope |
-
2017
- 2017-04-28 CN CN201710296502.7A patent/CN107095641B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675919A (en) * | 1985-05-08 | 1987-06-30 | Proper Manufacturing Co. Inc. | Headband with cushion |
| US5861939A (en) * | 1997-10-16 | 1999-01-19 | Odyssey Optical Systems, Llc | Portable fundus viewing system for an undilated eye |
| US6095647A (en) * | 1999-09-13 | 2000-08-01 | Health & Technology, Inc. | Ophthalmoscope attachment |
| CN102755148A (en) * | 2011-04-28 | 2012-10-31 | 明达医学科技股份有限公司 | Portable fundus examination device |
| WO2016022215A1 (en) * | 2014-08-08 | 2016-02-11 | The Johns Hopkins University | Head-mounted indirect opthalmoscope camera |
| CN104287692A (en) * | 2014-11-06 | 2015-01-21 | 苏州微清医疗器械有限公司 | Fundus oculi shooting device |
| CN204468038U (en) * | 2015-02-13 | 2015-07-15 | 陈瑶 | A kind of ophthalmofundoscope Portable detachable eye-shading plate |
| CN205514532U (en) * | 2016-02-04 | 2016-08-31 | 丁熊 | Multi -functional visual digital ophthalmoscope |
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| Publication number | Publication date |
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| CN107095641A (en) | 2017-08-29 |
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