CN106344258B - Lamp body for corneal astigmatism real-time positioning apparatus - Google Patents
Lamp body for corneal astigmatism real-time positioning apparatus Download PDFInfo
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- CN106344258B CN106344258B CN201610836931.4A CN201610836931A CN106344258B CN 106344258 B CN106344258 B CN 106344258B CN 201610836931 A CN201610836931 A CN 201610836931A CN 106344258 B CN106344258 B CN 106344258B
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- 201000009310 astigmatism Diseases 0.000 title claims abstract description 51
- 210000004087 cornea Anatomy 0.000 claims abstract description 21
- 238000001356 surgical procedure Methods 0.000 claims abstract description 7
- 239000007943 implant Substances 0.000 claims abstract description 4
- 238000004020 luminiscence type Methods 0.000 claims description 51
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 230000003760 hair shine Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
- 208000002847 Surgical Wound Diseases 0.000 description 6
- 210000004209 hair Anatomy 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000002177 Cataract Diseases 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000004382 visual function Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/20—Lighting for medical use
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Ophthalmology & Optometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to the lamp body for corneal astigmatism real-time positioning apparatus, which is used for the implant surgery of astigmatism type intraocular lens.Lamp body includes lamp holder, main light source and secondary light source.Main light source and secondary light source are arranged on lamp holder.The transmitting light of main light source is circular ring shape.Image of the transmitting light of main light source after corneal reflection is received by processing unit to carry out ellipse fitting to the received image of institute to determine corneal astigmatism shaft position.Secondary light source is configured to the projection on cornea and marks to indicate one or more positions.
Description
Technical field
The present invention relates to corneal astigmatism real-time positioning apparatus, more particularly relate to corneal astigmatism real-time positioning apparatus
Lamp body.
Background technique
The present invention be directed to the improvement of existing corneal astigmatism real-time positioning apparatus (patent No.: CN103156572), are promoted
The accuracy and user experience of device.The partial content of the patent is incorporated herein by reference.
With the continuous improvement that cataract patient requires postoperative visual function, by being implanted into astigmatism type intraocular lens
(Toric IOL) correction cataract patient corneal astigmatism becomes hot spot.In order to achieve the effect that correct pre-operative corneal astigmatism, need
It wants to be overlapped Toric IOL astigmatism axis mark line and the strongest meridian of corneal refractive power in art, therefore corneal astigmatism axial direction
Positioning and label seem particularly significant.The corneal astigmatism real-time positioning apparatus of CN103156572 invention can be in operation position base
On plinth, detection patient's corneal astigmatism is axial in real time in the course of surgery, greatly facilitates surgical procedure.
Existing corneal astigmatism real-time positioning apparatus includes surgical operation microscope, photographic device, image processing apparatus and display
The output of device, photographic device is connect with image processing apparatus, and the output of image processing apparatus is connect with display device, and operation is aobvious
Circular lamp body is coaxially provided on micro mirror camera lens, which is detachably arranged in surgical operation microscope camera lens.The installation of the lamp body
Mode is: being along the circumferential direction equipped with 2 or more radial screw holes on the annular lamp holder of lamp body, is equipped with holding screw in screw hole, leads to
Rotary screw is crossed to adjust the position of lamp body, it is desirable that lamp body is coaxial with surgical operation microscope camera lens and horizontal direction does not tilt.Angle
The working principle of film astigmatism real-time positioning apparatus is: the light of lamp body reflects in human eye, and photographic device is to from surgical operation microscope
In the reflected image observed shot, and image is delivered in image processing apparatus, is equipped in image processing apparatus pair
Image carry out ellipse fitting unit, ellipse fitting unit obtain reflection image on point set data, fit ellipse and indicate axis
To image processing apparatus will be according to oval axial direction and art source property astigmatism marks Lens implantation position and surgical incision site is delivered to
Display device shows, doctor take manually mode by the result queue of display on patient's cornea, be then operated；
Or the location mark by directly observing in display device is operated.
The existing corneal astigmatism real-time positioning apparatus is disadvantageous in that labeled is poor, straight not on patient's cornea
Connect display astigmatism axial direction position, horizontal line position, surgical incision site, crystal placement location etc..In order to determine that Toric IOL is brilliant
Body implantation position and surgical incision site, doctor need to carry out hand on patient's cornea by location mark in observation display device
Dynamic label, is then operated, or be operated while observing display device, operation difficulty is increased,
The accuracy for reducing location of operation causes the patients surgery time long, increases patient suffering.
Summary of the invention
The present invention is directed to disadvantages mentioned above and deficiency, proposes the secondary light source for corneal astigmatism real-time positioning apparatus.Root
According to the present invention, secondary light source is installed on lamp body, is used for horizontal line position, surgical incision site, astigmatism type intraocular lens
Placement location, corneal astigmatism shaft position etc., which are incident upon on cornea, to be shown.The secondary light source can be loaded in a kind of rotatable device
On, after calculated position is delivered to display device display by image processing apparatus, doctor passes through observation display device, rotation
Secondary light source device is overlapped projected label with position shown by display device.Secondary light source is also possible to set of circuits
The light source of control passes through image processing apparatus calculated position in the light source projects to cornea of circuit control.In short, this is auxiliary
Help light source that can penetrate horizontal line position, surgical incision site, astigmatism type intraocular lens placement location, angle in patient's cornea upslide
Film axis of astigmatism is set, and doctor directly can observe patient's cornea by surgical operation microscope and be operated, and eliminates doctor
It is raw the hand labeled on patient's cornea the step of, or avoid doctor by watching the screen of display device to carry out operation behaviour
The inconvenience and inexactness of work.
The invention proposes a kind of lamp body for corneal astigmatism real-time positioning apparatus, the corneal astigmatism real-time positioning apparatus
Implant surgery for astigmatism type intraocular lens.Lamp body includes lamp holder, main light source and secondary light source.Main light source and secondary light source
It is arranged on lamp holder.The transmitting light of main light source is circular ring shape.Image of the transmitting light of main light source after corneal reflection is located
Device is managed to receive to carry out ellipse fitting to the received image of institute to determine corneal astigmatism shaft position.Secondary light source is configured at angle
Projection label is on film to indicate one or more positions.
In one embodiment of the invention, one or more of positions include horizontal line position, surgical incision site,
One or more of astigmatism type intraocular lens placement location, described corneal astigmatism shaft position.
In one embodiment of the invention, the lamp holder includes support member, and the secondary light source is arranged in the branch
On the part of support part, the support member is constructed to be permeable to rotate, so that described in the label that the secondary light source is projected successively indicates
One or more positions.
In one embodiment of the invention, the secondary light source includes multiple luminescence units, the multiple luminescence unit
Transmitting light the label that the secondary light source is projected is collectively formed.
In one embodiment of the invention, the secondary light source includes multiple sub-light sources, and the lamp holder includes multiple
A corresponding support member in the multiple support member is arranged in support part part, each of the multiple sub-light source
On, the multiple support member is constructed to be permeable to be independently of one another, so that the label point that the multiple sub-light source is projected
Multiple positions in one or more of positions are not indicated.
In one embodiment of the invention, at least one of the multiple sub-light source includes multiple luminescence units, institute
At least one described label for being projected in the multiple sub-light source is collectively formed in the transmitting light for stating multiple luminescence units.
In one embodiment of the invention, the lamp body further includes control device, and the secondary light source includes multiple hairs
Light unit, the control device are configured to selectively activate one or more of multiple luminescence units of the secondary light source
To form luminous pattern, the transmitting light of the luminous pattern forms the label that the secondary light source is projected, to indicate described one
A position in a or multiple positions.
In one embodiment of the invention, the lamp body further includes control device, and the secondary light source includes multiple hairs
Light unit, the control device are configured to selectively activate one or more of multiple luminescence units of the secondary light source
To be formed simultaneously multiple luminous patterns, the transmitting light of the multiple luminous pattern forms the label that the secondary light source is projected,
To indicate multiple positions in one or more of positions simultaneously.
In one embodiment of the invention, the lamp body includes multiple luminescence units, and the main light source is by the multiple
One or more compositions in luminescence unit, and the secondary light source is by one or more structures in the multiple luminescence unit
At.
In one embodiment of the invention, the shape and/or size of the label that the multiple luminescence unit is projected and/
Or color is different.
In one embodiment of the invention, the label that the secondary light source is projected is dot, linear, cross, circle
One of annular, polygon or arrow are a variety of.
In one embodiment of the invention, the irradiation level of the secondary light source is no more than 1000W/m2。
In one embodiment of the invention, the transmitting light of the secondary light source shines directly on cornea.
In one embodiment of the invention, the transmitting light of the secondary light source is irradiated to cornea after optical system
On.
In one embodiment of the invention, the distance at the secondary light source to the center of the main light source is no more than
125mm, preferably no more than 100mm, no more than 75mm.
Detailed description of the invention
Fig. 1 is the schematic diagram of the corneal astigmatism real-time positioning apparatus of the prior art；
Fig. 2 is the schematic diagram of the lamp body of the corneal astigmatism real-time positioning apparatus of the prior art；
Fig. 3 is the schematic diagram that lamp body according to the present invention is mounted in corneal astigmatism real-time positioning apparatus；
Fig. 4 is the schematic diagram of lamp body according to an embodiment of the invention, and in this embodiment, secondary light source has not
Same shape, and it is respectively positioned on the inside of main light source；
Fig. 5 is the schematic diagram of lamp body according to an embodiment of the invention, and in this embodiment, secondary light source has not
Same shape, and it is located at the two sides of main light source；
Fig. 6 is the schematic diagram of lamp body according to an embodiment of the invention, and in this embodiment, secondary light source has phase
Same shape, and it is respectively positioned on the outside of main light source；
Fig. 7 is the schematic diagram of lamp body according to an embodiment of the invention, which has control device, pass through shape
Reach referential function；And
Fig. 8 A to Fig. 8 E shows lamp body according to an embodiment of the invention.
Specific embodiment
Existing corneal astigmatism real-time positioning apparatus includes lamp body, and by reflected image of the lamp body on cornea into
Row ellipse fitting marks elliptical long axial direction, to indicate corneal astigmatism axial direction.As shown in Figure 1, existing cornea dissipates
Light real-time positioning apparatus includes surgical operation microscope 1, photographic device 2, image processing apparatus 3, display device 4 and lamp body 5.Camera shooting
Device 2 images the image observed by surgical operation microscope 1, and the output of the photographic device 2 and image processing apparatus 3 connect
It connects, so that photographic image to be output in image processing apparatus 3.Lamp body 5 is arranged on the camera lens of surgical operation microscope 1.Such as Fig. 2 institute
Show, lamp body 5 includes lamp holder 501, light source 502 and power circuit 503.The axis of the camera lens of annular lamp holder 501 and surgical operation microscope 1
It is overlapped.Lamp body 5 is mounted on the camera lens of surgical operation microscope 1 using removably mode.
Photographic device 2 images the image observed from surgical operation microscope 1, and image is delivered to image procossing
The list of the reflected image progress ellipse fitting on cornea to circular ring shape LED light source 502 is equipped in device 3, in image processing apparatus 3
Member, the image of 3 pairs of image processing apparatus inputs mark the elliptical long axis direction being fitted after handling and are delivered to display
Device 4 is shown.Ellipse fitting unit can be realized by internal processes, can specifically be write using C Plus Plus,
It is realized under 2008 environment of Microsoft Visual Studio.It is first after software obtains operation video frequency original image by photographic device 2
Certain threshold value is first passed through by image binaryzation, recycles Opencv is included to find profile function, is filtered out by condition control
The reflection image of annular LED light source, and the point set in reflection image is stored in an array, the edge point data that will acquire, with most
Small square law can fit ellipse, draw a line in elliptical long axial direction, as corneal astigmatism is axial, and indicates hand
Art incision site and intraocular lens' implantation position, and the results are shown in display device 4 such as liquid crystal display.
The invention proposes a kind of lamp body for corneal astigmatism real-time positioning apparatus, the corneal astigmatism real-time positioning apparatus
Implant surgery for astigmatism type intraocular lens.The corneal astigmatism real-time positioning apparatus may include surgical operation microscope 1, camera shooting
Device 2, image processing apparatus 3, display device 4 and lamp body 6.Photographic device 2 is to the image observed by surgical operation microscope 1
It is imaged, the output of the photographic device 2 is connect with image processing apparatus 3, so that photographic image is output to image procossing dress
It sets in 3.Fig. 3 shows the schematic diagram that lamp body according to the present invention is mounted in corneal astigmatism real-time positioning apparatus.
Lamp body of the invention includes lamp holder, main light source and secondary light source.Main light source and secondary light source are arranged on lamp holder.It is main
The transmitting light of light source is circular ring shape.Image of the transmitting light of main light source after corneal reflection is received by processing unit to institute
Received image carries out ellipse fitting to determine corneal astigmatism shaft position.Secondary light source is configured to the projection on cornea and marks to mark
Show one or more positions.
In one embodiment of the invention, said one or multiple positions may include horizontal line position, operative incision
One or more of position, astigmatism type intraocular lens placement location, corneal astigmatism shaft position.
Fig. 4 is the schematic diagram of lamp body according to an embodiment of the invention.As shown in figure 4, lamp body 6 include lamp holder 601,
Main light source 602, secondary light source 603 and power circuit 604.Shape of the lamp holder 601 with annular shown in Fig. 4, but this field
Technical staff is it will be appreciated that lamp holder 601 also can have other shapes.Main light source 602 is ring-shaped and lamp holder 601 is arranged in
On.
In one embodiment of the invention, lamp holder 601 may include support member.Secondary light source 603 can be set
In the support member.Support member is constructed to be permeable to rotate, so that the label that secondary light source 603 is projected successively indicates above-mentioned one
A or multiple positions.In one embodiment of the invention, secondary light source 603 may include multiple luminescence units, such as multiple
LED.When secondary light source 603 includes multiple luminescence units, auxiliary is collectively formed in the transmitting light of these luminescence units (such as LED)
The label that light source 603 is projected.
Secondary light source 603 may include multiple sub-light sources.Fig. 4 show secondary light source 603 include sub-light source 603A and
603B.In other unshowned embodiments, secondary light source 603 may include more than two sub-light source.Sub-light source shown in Fig. 4
603A and 603B has different shapes, but multiple sub-light sources of secondary light source 603 also can have identical shape.Fig. 4
Shown in sub-light source 603A and 603B be respectively positioned on the inside of main light source 602.Fig. 5 is lamp body according to an embodiment of the invention
6 schematic diagram, in this embodiment, the sub-light source 603A and 603B of secondary light source 603 have different shapes, and are located at master
The two sides of light source 602.Fig. 6 is the schematic diagram of lamp body 6 according to an embodiment of the invention, in this embodiment, fill-in light
The sub-light source 603A and 603B in source 603 are of similar shape, and are respectively positioned on the outside of main light source 602.
According to one embodiment of present invention, when secondary light source 603 includes multiple sub-light sources, lamp holder 601 may include
Multiple support members, and a corresponding support member in multiple support members is arranged in each sub-light source of lamp holder 601
On.It includes support member 605A and 605B that fig. 4 to fig. 6, which shows lamp holder 601,.As shown in Figures 4 to 6, sub-light source 603A is arranged
On support member 605A, and sub-light source 603B is arranged on support member 605B.Multiple support members of lamp holder 601 construct
At that can be independently of one another, so that the label that multiple sub-light sources of secondary light source 603 are projected indicates said one respectively
Or multiple positions in multiple positions.As shown in Figures 4 to 6, support member 605A and 605B are constructed to be permeable to independently of one another
It rotates (as shown in the arrow in fig. 4 to fig. 6), so that the label that sub-light source 603A and 603B are projected indicates said one respectively
Or two positions in multiple positions.
In one embodiment of the invention, at least one sub-light source in multiple sub-light sources of secondary light source 603 (such as
Sub-light source 603A or 603B) it may include multiple luminescence units (such as multiple LED), the common shape of transmitting light of these luminescence units
The label projected at the sub-light source.
In one embodiment of the invention, as shown in fig. 7, lamp body 6 can also include control device 606.Control device
606 can be configured to for example multiple LED of multiple luminescence unit 608(for selectively activating secondary light source 603) in one or
It is multiple to form luminous pattern, the transmitting light of the luminous pattern forms the label that secondary light source 603 is projected, to indicate above-mentioned one
A position in a or multiple positions.For example, control device 606 can be configured to selectively activate secondary light source 603
One or more of multiple luminescence units 608 are to form in luminous pattern 607A, 607B, 607C and 607D shown in Fig. 7
One.
In another embodiment of the present invention, sometime, secondary light source can be activated by control device 606
One or more of 603 multiple luminescence units 608, to form desired luminous pattern, such as dot, linear, cross,
Circular ring shape, polygon or arrow etc., for identifying a position in said one or multiple positions.Then, following
Another moment, can be activated by control device 606 one in multiple luminescence units 608 of secondary light source 603 or
It is multiple, to form another desired luminous pattern, such as dot, linear, cross, circular ring shape, polygon or arrow etc.,
For identifying another position in said one or multiple positions.This process can continue, successively to identify said one
Or multiple positions in multiple positions.In this embodiment, the multiple luminous patterns sequentially formed can be it is identical, can also be with
It is different.For example, as shown in fig. 7, control device 606 can be configured to the multiple hairs for selectively activating secondary light source 603
One or more of light unit 608 is to sequentially form luminous pattern 607A, 607B, 607C and 607D, thus successively in mark
State multiple positions in one or more positions.In Fig. 7, open squares and filled black box indicate luminescence unit,
In, open squares indicate unactivated luminescence unit, and filled black box indicates the luminescence unit of activation.
In another embodiment of the present invention, the control device 606 of lamp body 6 can be configured to selectively activate auxiliary
One or more of multiple luminescence units of light source 603 are to be formed simultaneously multiple luminous patterns, the hair of multiple luminous pattern
It penetrates light and forms the label that secondary light source 603 is projected, to indicate multiple positions in said one or multiple positions simultaneously.Example
Such as, control device 606 can be configured to selectively to activate one or more of multiple luminescence units of secondary light source 603 with
It is formed simultaneously luminous pattern 607A, 607B, 607C and 607D shown in Fig. 7.That is, can sometime pass through control
Device 606 is come one or more of multiple luminescence units for activating secondary light source 603, to form multiple desired illuminated diagrams
Case, such as dot, linear, cross, circular ring shape, polygon or arrow etc..In this embodiment, multiple luminous patterns can be with
Be it is identical, be also possible to different.
In one embodiment of the invention, lamp body 6 may include multiple luminescence units, and each luminescence unit can be example
Such as LED or any of illuminator.Main light source 602 can be made of the one or more in multiple luminescence unit, and
And secondary light source 603 can be made of the one or more in multiple luminescence unit.Fig. 8 A to Fig. 8 E shows such reality
Apply example.In Fig. 8 A to Fig. 8 E, open squares and filled black box indicate luminescence unit, wherein open squares indicate not
The luminescence unit of activation, and filled black box indicates the luminescence unit of activation.
As shown in Figure 8 A, lamp body 6 includes multiple luminescence units 608.It includes by luminescence unit 608 that Fig. 8 A, which shows lamp body 6,
The multiple concentric annulus constituted.
In use, firstly, 606 property of can choose of control device activate a part in multiple luminescence units 608, with
Form circular luminous pattern (for example, annulus shown in filled black box in Fig. 8 B and 8C), the annular shape luminous pattern
Serve as the main light source 602 of lamp body 6.
Then, control device 606 can close the luminescence unit for serving as main light source 602, and selectively activate multiple
A part in luminescence unit 608, simultaneously or sequentially to form one or more luminous patterns, the one or more luminous pattern
Serve as the secondary light source 603 of lamp body 6.Fig. 8 D and Fig. 8 E show the illustrative luminous pattern for serving as secondary light source 603.Fig. 8 D
It can be simultaneously formed with luminous pattern shown in Fig. 8 E, be also possible to sequentially form.It note that for serving as main light source
602 luminescence unit and the luminescence unit for serving as secondary light source 603 can part it is identical.In other words, one or more
Luminescence unit can serve as a part of main light source 602 in previous moment, then serve as the one of secondary light source 603 in subsequent time
Part.
In one embodiment of the invention, the shape and/or size and/or face for the label that multiple luminescence units are projected
Color can be identical, be also possible to different.
In one embodiment of the invention, the label that secondary light source 603 is projected can be dot, linear, cross,
One of circular ring shape, polygon or arrow are a variety of.
In one embodiment of the invention, the irradiation level of secondary light source 603 is no more than 1000W/m2。
In one embodiment of the invention, the transmitting light of secondary light source 603 can shine directly on cornea, Huo Zheke
To be irradiated on cornea after optical system.Optical system referred herein can be by any one or more optical elements
The optical system of composition.
In one embodiment of the invention, the distance at secondary light source 603 to the center of main light source 602 is no more than 125mm,
Preferably no more than 100mm, no more than 75mm.
Although describing the present invention referring to (one or more) exemplary embodiment, those skilled in the art will
Understand, the present invention is not limited to precise structure described herein and component parts, and want without departing from such as appended right
In the case where the spirit and scope of the invention for asking restriction, various modifications, variation and deformation are understood that from the description of front.The present invention
Do not limited by the shown sequence of step because some steps can in a different order and/or with other steps simultaneously into
Row.Therefore, the present invention is not limited to disclosed (one or more) specific embodiments, but will will include and fall in appended right and want
All embodiments in the range of asking.
Claims (17)
1. a kind of lamp body for corneal astigmatism real-time positioning apparatus, the corneal astigmatism real-time positioning apparatus is used for astigmatism type people
The lenticular implant surgery of work, the lamp body include lamp holder, main light source and secondary light source, wherein the main light source and described auxiliary
Light source is helped to be arranged on the lamp holder, wherein the transmitting light of the main light source is circular ring shape, the transmitting light warp of the main light source
Image after crossing corneal reflection is received by processing unit to carry out ellipse fitting to the received image of institute to determine corneal astigmatism axis
Position, and wherein, the secondary light source is configured to the projection on cornea and marks to indicate one or more positions.
2. lamp body according to claim 1, wherein one or more of positions include horizontal line position, operative incision
One or more of position, astigmatism type intraocular lens placement location, the corneal astigmatism shaft position.
3. lamp body according to claim 1, wherein the lamp holder includes support member, and the secondary light source is arranged in institute
It states in support member, the support member is constructed to be permeable to rotate, so that the label that the secondary light source is projected successively indicates
One or more of positions.
4. lamp body according to claim 3, wherein the secondary light source includes multiple luminescence units, the multiple to shine
The label that the secondary light source is projected is collectively formed in the transmitting light of unit.
5. lamp body according to claim 1, wherein the secondary light source includes multiple sub-light sources, and the lamp holder includes more
A corresponding support portion in the multiple support member is arranged in a support member, each of the multiple sub-light source
On part, the multiple support member is constructed to be permeable to be independently of one another, so that the label that the multiple sub-light source is projected
Multiple positions in one or more of positions are indicated respectively.
6. lamp body according to claim 5, wherein at least one of the multiple sub-light source includes multiple luminous lists
At least one described mark for being projected in the multiple sub-light source is collectively formed in member, the transmitting light of the multiple luminescence unit
Note.
7. lamp body according to claim 1, wherein the lamp body further includes control device, and the secondary light source includes more
A luminescence unit, the control device be configured to selectively activate one in multiple luminescence units of the secondary light source or
It is multiple to form luminous pattern, the transmitting light of the luminous pattern forms the label that the secondary light source is projected, to indicate
State a position in one or more positions.
8. lamp body according to claim 1, wherein it is more to indicate that the secondary light source is configured to the projection label on cornea
A position, the lamp body further include control device, and the secondary light source includes multiple luminescence units, and the control device is configured to
Activate one or more of multiple luminescence units of the secondary light source selectively to be formed simultaneously multiple luminous patterns, institute
The transmitting light for stating multiple luminous patterns forms the label that the secondary light source is projected, to indicate in the multiple position simultaneously
Several positions.
9. lamp body according to claim 1, wherein the lamp body includes multiple luminescence units, and the main light source is by described
One or more compositions in multiple luminescence units, and the secondary light source is by one or more in the multiple luminescence unit
A composition.
10. according to lamp body described in claim 4 or 6 or 7 or 8 or 9, wherein the label that the multiple luminescence unit is projected
Shape and/or size and/or color be different.
11. lamp body according to claim 1, wherein the label that the secondary light source is projected is dot, linear, cross
One of shape, circular ring shape, polygon or arrow are a variety of.
12. lamp body according to claim 1, wherein the irradiation level of the secondary light source is no more than 1000W/m2。
13. lamp body according to claim 1, wherein the transmitting light of the secondary light source shines directly on cornea.
14. lamp body according to claim 1, wherein the transmitting light of the secondary light source is irradiated to after optical system
On cornea.
15. lamp body according to claim 1, wherein the distance of the secondary light source to the center of the main light source does not surpass
Cross 125mm.
16. lamp body according to claim 1, wherein the distance of the secondary light source to the center of the main light source does not surpass
Cross 100mm.
17. lamp body according to claim 1, wherein the distance of the secondary light source to the center of the main light source does not surpass
Cross 75mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610836931.4A CN106344258B (en) | 2016-09-21 | 2016-09-21 | Lamp body for corneal astigmatism real-time positioning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| US5098426A (en) * | 1989-02-06 | 1992-03-24 | Phoenix Laser Systems, Inc. | Method and apparatus for precision laser surgery |
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| US8820929B2 (en) * | 2006-01-20 | 2014-09-02 | Clarity Medical Systems, Inc. | Real-time measurement/display/record/playback of wavefront data for use in vision correction procedures |
| BR112012021523A2 (en) * | 2010-02-26 | 2017-06-27 | Yoseph Glovinsky | goldmann applanation tonometer, biomicroscopy device and related methods |
| JP2012152361A (en) * | 2011-01-26 | 2012-08-16 | Topcon Corp | Astigmatic axis measurement instrument and ophthalmic apparatus |
| CN102727175A (en) * | 2011-04-11 | 2012-10-17 | 上海美沃精密仪器有限公司 | Electronic recording and remote diagnosis digital slit lamp system and method |
| CN103156572B (en) * | 2013-03-29 | 2016-05-25 | 俞阿勇 | A kind of corneal astigmatism real-time location method and positioner thereof |
| US20150265468A1 (en) * | 2014-03-21 | 2015-09-24 | Carl Zeiss Meditec Ag | Surgical system for opening the lens capsule in an eye |
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