CN208876485U - A kind of novel crack opening-closing structure and the slit-lamp microscope with it - Google Patents
A kind of novel crack opening-closing structure and the slit-lamp microscope with it Download PDFInfo
- Publication number
- CN208876485U CN208876485U CN201721879784.5U CN201721879784U CN208876485U CN 208876485 U CN208876485 U CN 208876485U CN 201721879784 U CN201721879784 U CN 201721879784U CN 208876485 U CN208876485 U CN 208876485U
- Authority
- CN
- China
- Prior art keywords
- slit
- scale
- guide rod
- handwheel
- crack opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Eye Examination Apparatus (AREA)
Abstract
The utility model provides a kind of crack opening-closing structure of slit-lamp microscope and the slit-lamp microscope with the crack opening-closing structure, the crack opening-closing structure leads motivation structure including one, it includes crankshaft, first guide rod, second guide rod, bearing, first connecting rod and the second connecting rod, by substituting traditional two-axis structure with an integral shaft, so that the slit-lamp microscope of the utility model reduces the rotation error between left scale handwheel and right scale handwheel, scale value accurately conveniently can be read, reduce the risk of user's read error.
Description
Technical field
The present invention relates to medical instruments fields, are specifically related to a kind of slit-lamp microscope.
Background technique
Slit-lamp microscope is that a kind of most frequent optical checking equipment can be used in inflammation, is suitable for checking anterior ocular segment machine eye
Internal lesion is used.Slit-lamp intravital microscope, abbreviation slit-lamp are made of light source projects system and optical amplification system, are
The common optical instrument of ophthalmology.It is that striking contrast just is presented with dark periphery to concentrate light source to illuminate check point,
It cooperates again with binocular micro magnifier, the lesion that table can not only be made shallow is observed fully aware of, and can use areola
Light belt is formed a series of " optic sections " by the hyaline tissue in each portion of eyeball, and the different levels, even deep of refractive media are made
The minute lesion of portion's tissue also clearly shows that out.Under the amplification of binocular microscope, target has three-dimensional sense, increases inspection
Accuracy.Therefore, slit lamp examination occupies an important position in clinical ophthalmology work.
Traditional slit-lamp microscope, crack opening structure is led motivation structure by tradition and is completed, on common eccentric shaft
One bearing of end installation, top is provided with a guide rod, with the rotation of eccentric shaft, guide rod can be made to move up and down, reach certain top
Effect out, however traditional leading has some technology difficulties and accumulated error, such as: the installation of bearing, bearing left-right position
Specific location etc..Therefore it finds in process of production, whole world slit-lamp microscope all has crack folding handwheel left axle and splits
Gap opens and closes the gap error of right axle, causes the number of division opened and closed on handwheel in use process there are crack opening degree and crack different
The error of cause occurs, the risk for being easy to cause doctor to calculate to patient data.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of crack opening-closing structure of novel slit-lamp microscope, with
It solves that crack folding handwheel left axle exists in the prior art and crack opens and closes the gap error of right axle, cause to exist in use process
Crack opening degree and crack open and close the problem of inconsistent error of the number of division on handwheel.
To realize above-mentioned technical problem, The technical solution adopted by the invention is as follows:
A kind of crack opening-closing structure of slit-lamp microscope, the crack opening-closing structure leads motivation structure including one, described to lead
Motivation structure is arranged in the cam casing of slit-lamp microscope, which is characterized in that and it includes crankshaft, the first guide rod, the second guide rod,
Bearing is arranged inside wherein offering slot among first guide rod bottom in bearing, first connecting rod and the second connecting rod, the
Two guide rods are located at the first guide rod top, and the first guide rod and the second guide rod are arranged in the second connecting rod, set on the right side of the crankshaft
It is equipped with right scale axle sleeve, right scale handwheel Locking bushing, right bushing lock nut, the nut cap of right hand wheel and right scale handwheel, it is described
Left scale axle sleeve, left scale handwheel Locking bushing, left bushing lock nut, the nut cap of left hand wheel and a left side are installed on the left of crankshaft
Scale handwheel.
Preferably, slot is offered among first guide rod bottom, bearing is arranged inside, and connected by pin.
Preferably, first guide rod side opens up slot, and jackscrew is screwed into the second connecting rod, and crankshaft is driven by bearing
First guide rod moves up and down, and then the second connecting rod is driven to move up and down.
Preferably, diaphragm seal is set between the right scale axle sleeve and right scale handwheel Locking bushing.
Preferably, diaphragm seal is set between the left scale axle sleeve and left scale handwheel Locking bushing.
Wherein, right scale axle sleeve and right scale handwheel are locked in right bushing lock nut and the nut cap being arranged on the right side of it
Bushing is fastened on crankshaft.
Preferably, the handwheel of the right and left has scale.
A kind of slit-lamp microscope comprising workbench, patient's head bracket, slit-lamp microscope pedestal, microscope, crack
Lamp and external transformer, the slit-lamp include above-mentioned crack opening-closing structure, and the crack opening-closing structure leads motivation structure including one,
The motivation structure of leading is arranged in the cam casing of slit-lamp microscope, which is characterized in that and it includes crankshaft, the first guide rod, and
Two guide rods, bearing, first connecting rod and the second connecting rod are arranged inside wherein offering slot among first guide rod bottom
Bearing, the second guide rod are located at the first guide rod top, and the first guide rod and the second guide rod are arranged in the second connecting rod, the crankshaft
Right side is provided with right scale axle sleeve, right scale handwheel Locking bushing, right bushing lock nut, the nut cap of right hand wheel and right scale hand
It takes turns, left scale axle sleeve, left scale handwheel Locking bushing, left bushing lock nut, left hand wheel cap is installed on the left of the crankshaft
Cap and left scale handwheel.
Technical effect of the invention: traditional slit-lamp microscope crack handwheel scale only has left side handwheel scale, because of two axis
Source of error, do not accomplish that the handwheel of the right and left has scale, make troubles to user.The present invention uses integral shaft
Mode, there is scale on both sides, can use left eye to user, can also right eye be used to observe scale numerical value, can play user in this way
Visual fatigue is effective to patient health.
Detailed description of the invention
Fig. 1 is slit-lamp microscope main view of the invention
Fig. 2 is slit-lamp microscope P-P cross-sectional view of the present invention
Fig. 3 is slit-lamp microscope rearview of the invention
Fig. 4, which is that slit-lamp microscope of the present invention is novel, leads structure chart
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
Slit-lamp microscope generally comprises workbench, patient's head bracket, slit-lamp microscope pedestal, microscope, slit-lamp,
External transformer, patient's head bracket include lighting bulb power supply line, patient's volume traction, fixation lamp, chin strap, lifting handwheel, trouble
Person's handrail；Fixation lamp is moveable point light source, and to guide patient's eye position, chin strap and patient's volume traction are together to patient's head
Portion is positioned, to facilitate the detection to eyes；Lifting handwheel is adjusted chin strap height and is existed with this to adjust patient's eye position height
Suitable position.There is slit-lamp microscope pedestal host to be displaced control crank, by the rotation to the handle and pull realization
Upper and lower and left and right the displacement of host.Microscope includes ocular head and zoom handwheel.Slit-lamp includes lamp source lid, and hot spot bore refers to
Show that table, colour filter select thick stick, hot spot bore select button, reflective mirror and Fracture Width adjust handwheel, wherein heat shield, dim light
Piece can be switched without four kinds of red, cobalt aluminate piece different colour filters.
Slit-lamp microscope is in use, first instruct patient to be sitting on patient's seat, and chin is leaned against to the chin of patient carrier
In support, chin strap height is adjusted, patient's cornea is made to be located at the optical centre axis of instrument.The binocular head of ocular head is rotated into observation
In the interpupillary distance that person is suitble to, adjust eyepiece diopter, until clearly see focusing stick on crack light image, according to measurement purpose,
Colour filter selection thick stick is adjusted separately, hot spot bore select button and Fracture Width adjustment handwheel select suitable colour filter and adjustment
Slit of illumination height and width select suitable method multiple by rotation zoom handwheel.
To patient carry out detection process in, by operation host be displaced control crank or using fixation lamp to patient eye position into
Row guidance, observes eyes of patients lesion with facilitating.The adjustment of crack optical axis and microscopes optical axis and slit of illumination deliver method: for
The needs that patient's eye eyes are checked, it is sometimes desirable to keep crack optical axis and microscopes optical axis shape at a certain angle or will
Slit of illumination rotates certain corner.
To solve in use process, there are the error hairs that the number of division on crack opening degree and crack folding handwheel is inconsistent
Raw, the present invention substitutes two traditional axle construction by the way that integral shaft or shaft is made to solve existing defect, and provides
It is a kind of it is novel lead structure, be arranged in cam casing 1 as shown in figure 4, leading motivation structure, to lead motivation structure include crankshaft 2, the
One guide rod 5, the second guide rod 6, bearing 21, first connecting rod 3, the second connecting rod 4, first connecting rod and the second connecting rod are arranged side by side
Setting, wherein offering slot among the first guide rod bottom, is arranged inside bearing 21, and connected by pin 22, the second guide rod 6 is located at
First guide rod, 5 top, the first guide rod and the second guide rod are arranged in the second connecting rod 4, open up slot in the first guide rod side, the
Jackscrew 8 is screwed into two connecting rods, crankshaft drives the first guide rod to move up and down by bearing, and then drives and move down in the second connecting rod
It is dynamic.
The right side of crankshaft 2 is provided with right friction plate 13, right scale axle sleeve 14, right scale handwheel Locking bushing 12, right bushing
Lock nut 7, right hand wheel nut cap 11, right scale handwheel 9；The left side of crankshaft 2 is equipped with left scale axle sleeve 15, left friction plate 16,
Left scale handwheel Locking bushing 17, left bushing lock nut 19, left hand wheel nut cap 18, left scale handwheel 20.Wherein, crankshaft 9
The right scale axle sleeve of right end rotary setting, right scale handwheel Locking bushing 12 is set on crankshaft against right scale sleeve end, right
Diaphragm seal is set between scale axle sleeve and right scale handwheel Locking bushing, right bushing lock nut 7 and is arranged on the right side of it
Right scale axle sleeve and right scale handwheel Locking bushing are fastened on crankshaft by nut cap, by the left and right scale hand for rotating crankshaft both sides
Wheel, can accomplish to move up and down the second connecting rod.
Crankshaft of the present invention substitutes eccentric shaft, and crankshaft can disposably be processed with numerically-controlled machine tool, can guarantee the precision of part with
Concentricity, while fluting is put into a bearing among guide rod, by rivet interlacement.Guide rod rotates in order to prevent, opens on guide rod a
Slot, a cylinder jackscrew is screwed into connecting rod moves up and down its stable without deflecting, so that present invention process is more
What is added is reasonable, and place with high accuracy is done more careful, and the feel led is more smooth, and part is more integrated, leads dynamic contact position
It is more stable effective, not only there is very big promotion to the feel of user, but also the performance of complete machine also has leaping for matter.This structure peace
Complete reliable, performance is stablized, and greatly reduces risk, reduces the rotation error between left scale handwheel and right scale handwheel, error
Numerical value is zero.
Traditional slit-lamp microscope crack handwheel scale only has left side handwheel scale, because the source of error of two axis, does not do
Handwheel to the right and left has scale, makes troubles to user.There is scale now with an integral shaft both sides, to use
Person can use left eye, also can observe scale numerical value with right eye, can play user's visual fatigue in this way, effective to patient health.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (7)
1. a kind of novel crack opening-closing structure, the crack opening-closing structure includes one leading motivation structure, described to lead the setting of motivation structure and exist
In the cam casing of slit-lamp microscope, which is characterized in that the motivation structure of leading includes crankshaft, the first guide rod, the second guide rod, axis
It holds, first connecting rod and the second connecting rod, wherein offer slot among first guide rod bottom, is arranged inside bearing, second
Guide rod is located at the first guide rod top, and the first guide rod and the second guide rod are arranged in the second connecting rod, and the right side of the crankshaft is arranged
There are right scale axle sleeve, right scale handwheel Locking bushing, right bushing lock nut, the nut cap of right hand wheel and right scale handwheel, the song
Left scale axle sleeve, left scale handwheel Locking bushing, left bushing lock nut, the nut cap of left hand wheel and left quarter are installed on the left of axis
Spend handwheel.
2. novel crack opening-closing structure according to claim 1, wherein slot is offered among first guide rod bottom,
Interior setting bearing, and connected by pin.
3. novel crack opening-closing structure according to claim 1, wherein the right scale axle sleeve and the locking of right scale handwheel
Diaphragm seal is set between bushing.
4. novel crack opening-closing structure according to claim 1, wherein the left scale axle sleeve and the locking of left scale handwheel
Diaphragm seal is set between bushing.
5. novel crack opening-closing structure according to claim 3, wherein the right bushing lock nut and setting are at it
Right scale axle sleeve and right scale handwheel Locking bushing are fastened on crankshaft by the nut cap on right side.
6. novel crack opening-closing structure according to claim 1 or 2, wherein the handwheel of the right and left has scale.
7. a kind of slit-lamp microscope comprising workbench, patient's head bracket, slit-lamp microscope pedestal, microscope, slit-lamp
With external transformer, characterized in that the slit-lamp includes -6 any crack opening-closing structure according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879784.5U CN208876485U (en) | 2017-12-28 | 2017-12-28 | A kind of novel crack opening-closing structure and the slit-lamp microscope with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879784.5U CN208876485U (en) | 2017-12-28 | 2017-12-28 | A kind of novel crack opening-closing structure and the slit-lamp microscope with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208876485U true CN208876485U (en) | 2019-05-21 |
Family
ID=66490096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721879784.5U Active CN208876485U (en) | 2017-12-28 | 2017-12-28 | A kind of novel crack opening-closing structure and the slit-lamp microscope with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208876485U (en) |
-
2017
- 2017-12-28 CN CN201721879784.5U patent/CN208876485U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190254514A1 (en) | A method for self-examination of an eye and ophthalmological self-examination apparatus | |
| AU2017257258B2 (en) | Detachable miniature microscope mounted keratometer for cataract surgery | |
| BR112013009910A2 (en) | apparatus and method for detecting amyloid in a retina in a diagnosis, advancement and prognosis of alzheimer's disease, head trauma, macular degeneration and a plurality of neurodegenerative disorders, and eye diseases | |
| Akuffo et al. | The impact of cataract, and its surgical removal, on measures of macular pigment using the Heidelberg Spectralis HRA+ OCT MultiColor device | |
| Miller et al. | Ophthalmic instrumentation | |
| CN208876485U (en) | A kind of novel crack opening-closing structure and the slit-lamp microscope with it | |
| CA2794611C (en) | Device and method for calibrating retinoscopes | |
| CN201968663U (en) | Domestic synoptophore | |
| US8573777B1 (en) | Examination stand with improved access for the wheelchair bound patient | |
| WO1997014350A9 (en) | Hand-held slit lamp apparatus and associated methods | |
| CN111938564A (en) | Illumination system for ophthalmic examination | |
| CN108013864A (en) | A kind of new crack opening-closing structure and there is its slit-lamp microscope | |
| Parel et al. | The optics of the ophthalmoscope and related instruments | |
| CN110353627B (en) | Binocular ophthalmoscope | |
| CN112137574A (en) | Auxiliary lighting device for ophthalmic slit lamp | |
| CN208784703U (en) | A kind of ophthalmic eye observation lamp | |
| CN221511862U (en) | Eye position positioning and gazing instrument for ophthalmology | |
| Schmidt | On slit-lamp microscopy | |
| CN219166457U (en) | Ultrasonic measuring probe | |
| CN213821358U (en) | Dry eye inspection device's front and back adjustment mechanism | |
| CN213551681U (en) | Auxiliary lighting device for ophthalmic slit lamp | |
| CN212879270U (en) | Novel multimode eye ground camera | |
| CN216724523U (en) | Multifunctional vision detection device | |
| Goldstein et al. | Clinical comparison of the SITE IRAS hand-held interferometer and Haag-Streit Lotmar visometer | |
| Gellrich | The Slit Lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |