CN104414774B - Prepackage type intraocular lens injector - Google Patents
Prepackage type intraocular lens injector Download PDFInfo
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- CN104414774B CN104414774B CN201310381444.XA CN201310381444A CN104414774B CN 104414774 B CN104414774 B CN 104414774B CN 201310381444 A CN201310381444 A CN 201310381444A CN 104414774 B CN104414774 B CN 104414774B
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- artificial lens
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- intraocular lens
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Abstract
The present invention relates to a kind of prepackage type intraocular lens injector.The prepackage type intraocular lens injector includes：Main body, the main body include being located at the artificial lens supporting part of its front end and the in advance artificial lens on the artificial lens supporting part；The implant head being connected with the body front end；Drive mechanism is injected with what the body rear was connected, characterized in that, the artificial lens supporting part is provided with the upspring structure and can constrain the artificial lens of prepackage in the limit component moved on prepackage type intraocular lens injector axis direction that can prevent that the artificial lens of prepackage from moving in the forward direction implant head inject.The prepackage type intraocular lens injector of the present invention has advantages below, i.e., only needs single operation step can to complete the implantation of artificial lens, and artificial lens constrains simple and dependable performance in prepackage type intraocular lens injector.
Description
Technical field
The present invention relates to intraocular lens injector.A kind of more particularly it relates to easy to operate and dependable performance
New prepackage type intraocular lens injector.
Background technology
Artificial lens is a kind of artificial lens, in cataract operation, is used for substituting by implantable artificial crystal because white
Cataract or glaucoma disease and the technology of natural artificial lens that becomes in muddy human eye has been widely implemented.The form of artificial lens,
Typically by being formed positioned at the circular light department of the Chinese Academy of Sciences at center and the button loop on periphery.It is artificial brilliant because the material for processing artificial lens is different
Body is divided into the rigid artificial lens that optical section is formed by hard materials such as PMMA, and optical section is soft by silicone elastomer, hydrogel
Property the soft artificial intraocular lens that are formed of the flexible material such as acrylate.The artificial lens made of soft material, is also frequently referred to as
Foldable artificial lens.
When using rigid artificial lens, the operative incision of the implantable artificial crystal outputed on cornea must and optical section
Diameter width is substantially the same.And the artificial lens made of soft material（Also it is frequently referred to as foldable artificial lens）Can be
Fold or crimp and pass through a less otch after reducing its area（General 2-3 millimeters）It is implanted into intraocular.This folding or curling
Artificial lens afterwards can Automatic-expanding after entering eyes.
In order to reduce the infection risk after implant surgery, and mitigate the pain of patient, preferably from small otch implantable artificial
Crystal, so current implant surgery trend is preferred implantation soft artificial intraocular lens.By the combination side of opticator and support button loop
Formula, flexible folding artificial lens are generally divided into single type and three-member type.The flexible folding artificial lens of single type, its optics
Part and support button loop are an entirety, are made of same soft material.The flexible folding artificial lens of three-member type, its
Opticator and support button loop first pass through parts processing, are then connected into shape again.
In order to which soft artificial intraocular lens are implanted into intraocular, it is necessary to have using special intraocular lens injector, the utensil has
Make the inner chamber design and an elongated tubular passageway structure design that artificial lens folds.By using this special artificial lens
Utensil is implanted into, soft artificial intraocular lens can be implanted in human eye by the small otch less than 3 millimeters.
Soft artificial intraocular lens implantation utensil is divided into non-two kinds of pre- iol cartridge type and pre- iol cartridge type.Non- prepackage people
Work crystal-type implanting device is generally made up of implant head and syringe two parts.Use non-pre- iol cartridge type implanting device implantation people
Work crystal injects viscoelastic agent in implant head, artificial lens is put into, it is necessary to taken out from packing box artificial lens with tweezers
Clamp, then the implant head for clamping artificial lens is inserted into front end of the syringe needle neck, pushing syringe push rod handle in implant head
Artificial lens shifts the front end of implant head onto, is finally inserted the pre- corneal incision opened and artificial lens is injected intraocular.This method
Shortcoming is：Operating process is complicated, has the possibility of human operational error, easily presss from both sides bad artificial lens, and artificial lens is taken out from packing box
Bacterium infection is easily caused to implantation process.Based on the disadvantages mentioned above of non-pre- iol cartridge type implanting device, it is developed in advance
Artificial lens is put into implanting device and carrys out unitizing, is sterilized, storage, the prepackage type intraocular lens injector of transport.
However, existing prepackage type implanting device is required at least two operating procedures to complete whole implantation process.It is existing
Some for single type soft artificial intraocular lens prepackage type implanting device it is more ripe have person of outstanding talent it is refined（HOYA）Company and ALCON companies
Product.CN 102307543A disclose a kind of preset-type intraocular lens inserting instrument of Tag Heuer S. A..US 7,156,854B2
Disclose a kind of prepackage type intraocular lens injector of ALCON companies.The prepackage type implanting device of the two companies is required for two
Operating procedure could complete implantation action, and the purpose of certain two steps is had nothing in common with each other, first of the implanting device of Tag Heuer S. A.
The purpose of step is and first operating procedure of the implanting device of ALCON companies in order to can be to be fastened with a rope, string, etc. after suitable control artificial lens
It is to remove the bridle for preventing artificial lens from travelling forward.For how in implanting device constrain artificial lens the problem of,
The design of Tag Heuer S. A. is more difficult for placing artificial lens, because to prevent artificial lens to be axially moved along implanting device
The gap of vertical axial constraint artificial lens must then be reduced, the negative effect now brought is exactly that artificial lens is being put
Can be relatively difficult when putting in implanting device, it could even be possible to being damaged to intraocular lens optic portion.ALCON implanting device is to prevent
Artificial lens adds a cap structure with constrained pillar along implanting device axial movement and designed as previously described, on the one hand
An action is added, another aspect soft artificial crystal is possible to because being contacted for a long time with pillar so that contact position is bonded at
Position or the damage artificial lens of artificial lens may be changed on pillar, during so as to cause to lift pillar.It is implanted into simultaneously in assembling
During device, because lid is that last assembling is got on, if before assembling lid, position of intraocular lens has mobile and not found, group
The capping period of the day from 11 p.m. to 1 a.m may also can hurt artificial lens.
Multiple operating procedures of existing prepackage type implanting device have strict sequencing simultaneously, if sequence of steps is not just
Really, artificial lens may be damaged or directly result in implantation process failure.The prepackage type implanting device part of certain existing design is
Prevent operator from taking the structure design measure of fool proof in implanting device structure design using wrong step operation, but excessively
Operating procedure be also the increase in the complexity of operation, while the increase of step, also result in the increase of risk probability.While by
It is pre-placed in implanting device in artificial lens, is sterilized together with implanting device system, is packed, storage and transport, therefore how to protect
Card artificial lens is constantly in restrained condition in implanting device and does not produce motion, at the same place artificial lens to during implanting device how
Damage will not be caused just to become more important conveniently and to artificial lens.
The content of the invention
The present invention is proposed based on problem above present in prior art, and it is an object of the present invention to provide a kind of only need single operation
Step can completes the implantation of artificial lens, and it is artificial that artificial lens constrains simple and dependable performance prepackage type in implanting device
Lens implantation device.
It is a further object to provide a kind of artificial lens of placing to convenient in implanting device and will not be to people
Work crystal causes the prepackage type intraocular lens injector of damage.
Unless special circumstances have other limitations, the term that otherwise following definition uses suitable for this specification.
Term defines
The term " optical section " used in this application refers to having optical characteristics on artificial lens so as to realize
Adjust the part of the major function of artificial lens diopter.Specifically, artificial lens used in the embodiment of the present invention
A diameter of about 6 millimeters of optical section.
The term " button loop " used in this application refers to being connected with intraocular lens optic portion, has both played support optical section
Effect plays a part of convergent force caused by the contraction and varicose of ciliary muscle being delivered to the part of the optical section again.
The term " prepackage type intraocular lens injector axis " used in this application refers to the elongated prepackage type people
Work Lens implantation device（As shown in fig. 1）Longitudinal centre line.
It is relative to when injecting artificial lens to use the term " preceding " for representing position relation and " rear " in this application
For relative position relation on prepackage type intraocular lens injector axis.Such as " preceding button loop ", " rear button loop " is artificial lens
Relative to human eye along for the direction of motion of prepackage type intraocular lens injector axis.For example, in implantation process, it is being implanted into
On device axis direction, " preceding button loop " is located at before " rear button loop ", closer to the opening position of human eye.
The term " lower optical surface " used in this application is the upper optical surface relative to the intraocular lens optic portion of prepackage
For, the lower optical surface in the intraocular lens optic portion of prepackage refers to the carrying shell fragment with body front end artificial lens supporting part
That surface being in contact.
In addition, unless otherwise defined, otherwise the implication of all scientific and technical terminologies used herein with it is of the art
It is the same that technical staff, which is generally understood that,.If conflict occurs, by this specification and its including definition be defined.
For solving the design meanses of problem
The present invention relates to a kind of prepackage type intraocular lens injector, including the supporting part of artificial lens is placed, made one
The transition part of work crystal modification, the spray nozzle part of artificial lens is discharged, artificial lens is released from supporting part and by making artificial crystalline substance
The transition part of body deformation, the part of pushing pin for finally releasing artificial lens from spray nozzle part, in addition to artificial lens is being moved through
Produced in journey and be pressed downward compeling the tabletting portion for causing artificial lens turnup.The feature of the prepackage type intraocular lens injector of the present invention exists
In, the supporting part for placing artificial lens is provided with the upspring structure for preventing artificial lens from being moved along axis to spray nozzle part, while conveniently
The placement of artificial lens and artificial lens can be constrained after artificial lens is placed perpendicular to prepackage type intraocular lens injector axle
The tabletting design of line direction motion.
Specifically, the present invention relates to the content of following many aspects：
1. a kind of prepackage type intraocular lens injector, the prepackage type intraocular lens injector includes：
Main body, the main body are included positioned at the artificial lens supporting part of its front end and in advance mounted in artificial lens carrying
Artificial lens in portion；
The implant head being connected with the body front end；With
Drive mechanism is injected with what the body rear was connected,
Characterized in that,
The artificial lens supporting part, which is provided with, can prevent the artificial lens of prepackage from being transported in the forward direction implant head inject
Dynamic upspring structure is transported with the artificial lens that can constrain prepackage on prepackage type intraocular lens injector axis direction
Dynamic limit component.
2. the prepackage type intraocular lens injector in terms of as described in 1, it is characterised in that：The limit component is foldable
Limit component.
3. the prepackage type intraocular lens injector in terms of as described in 2, it is characterised in that：The foldable limit component is
One or more foldable banking stops.
4. the prepackage type intraocular lens injector in terms of as described in 1, it is characterised in that：The drive mechanism of injecting includes
Push rod, the artificial lens for the artificial lens for injecting prepackage being connected with the push rod front end of installation on the body push away
Pin and inject handle with what the push rod tail end was connected.
5. the prepackage type intraocular lens injector in terms of as described in 4, it is characterised in that：The prepackage type artificial lens is planted
Enter the rear button loop for the artificial lens that device further comprises that prepackage can be constrained perpendicular to prepackage type intraocular lens injector axis side
The rear button loop limiting component of upward position.
6. the prepackage type intraocular lens injector in terms of as described in 5, it is characterised in that：It is described after button loop limiting component be
Pushed pin when injecting artificial lens with artificial lens move limitation artificial lens after fasten with a rope, string, etc. reverses direction tabletting.
7. the prepackage type intraocular lens injector in terms of as described in 4, it is characterised in that：The handle of injecting is helix tube.
8. the prepackage type intraocular lens injector in terms of as described in 1, it is characterised in that：The upspring structure and the people
The remainder of work crystal supporting part is integrally formed or the remainder of the upspring structure and the artificial lens supporting part
Linked together via linkage section.
9. the prepackage type intraocular lens injector in terms of as described in 8, it is characterised in that：The upspring structure is for holding
Carry the carrying shell fragment thin plate that either its bottom is connected with spring of the artificial lens of prepackage.
10. the prepackage type intraocular lens injector in terms of as described in 1, it is characterised in that：The artificial lens supporting part is set
Have and be oriented to tiltedly for the rear button loop that button loop is moved to above intraocular lens optic face after the artificial lens of guiding prepackage when being injected
Face.
The present invention especially has the advantages that：
According to the present invention, when placing artificial lens in implanting device due to being arranged at left and right sides of artificial lens supporting part
Artificial lens is moved at two foldable tablettings of row constraint perpendicular to prepackage type intraocular lens injector axis direction
In open mode so that placing artificial lens can be very convenient, artificial lens will not be damaged, after artificial lens is placed into supporting part
Artificial lens is pushed down after foldable tabletting is folded so as to limit possibility of the artificial lens perpendicular to implanting device axial-movement, together
When due to there is the upspring structure that can be depressed design in artificial lens supporting part front end, so as to which artificial lens is along implanting device axis side
Also suffered restraints to motion, but when implantation process starts, due to artificial lens in the presence of pushing pin along implanting device axis side
Upspring structure can be forced down so that artificial lens can be smooth to power downward to bullet its structure generation when being moved to spray nozzle part
Moved along axis direction to spray nozzle part.And there is notch design on artificial lens is pushed pin, can drive prevents people
The tabletting that work crystal optics portion is dug upwards is moved together, and move certain distance after tabletting can be blocked limitation motion so that
It must push pin and individually continue to move the action for being finally completed and releasing artificial lens from spray nozzle part in the axial direction.Whole implantation process
Middle operator only needs to carry out simple helix tube rotation process, without other actions.
Advantages of the present invention and novel feature is characterized specifically to be attached to herein and forming the claim of a part herein
Indicated in book.However, for a better understanding of the present invention, its advantage and by its apply reached target, structure should be referred to
Into the accompanying drawing and specific descriptions below of this paper another part, wherein the one or more of the present invention has been illustrated and described
Preferred embodiment.
Brief description of the drawings
With reference to Figure of description, the present invention will be described in detail.Figure of description not necessarily in strict accordance with than
Example is drawn and Figure of description is only schematical diagram.In the drawings in the descriptive section of the present application, using identical or
Similar drawing reference numeral represents same or analogous element.
Fig. 1 is the integrally-built perspective view for schematically showing the prepackage type intraocular lens injector of the present invention.
Fig. 2 is the decomposition diagram for the structure for schematically showing the prepackage type intraocular lens injector of the present invention.
Fig. 3 is the prepackage type intraocular lens injector body front end artificial lens supporting part for schematically showing the present invention
On close up perspective view when not placing artificial lens（The state that foldable banking stop is in before not turning up）.
Fig. 4 is the prepackage type intraocular lens injector body front end artificial lens supporting part for schematically showing the present invention
On another angle is shown when not placing artificial lens close up perspective view（Foldable banking stop is in the state turned up）.
Fig. 5 a are the prepackage type intraocular lens injector body front end artificial lens carryings for schematically showing the present invention
The close up perspective view after artificial lens is assembled in portion, and the state that foldable banking stop is in before not turning up is shown in figure.
Fig. 5 b are the prepackage type intraocular lens injector body front end artificial lens carryings for schematically showing the present invention
The close up perspective view after artificial lens is assembled in portion, shows that foldable banking stop is in the state turned up in figure.
Fig. 6 is that the artificial lens for schematically showing the prepackage type intraocular lens injector of the present invention is pushed pin and transported vertically
Move the rear close up perspective view fastened with a rope, string, etc. and be folded to when above intraocular lens optic portion when touching intraocular lens optic portion（For side
Just show that artificial lens tabletting is taken away）.
Fig. 7 is to schematically show the front projection figure that artificial lens is placed in body front end artificial lens supporting part,
Show that foldable banking stop is in the state turned up in figure.
Fig. 8 schematically shows the zoomed-in view of A-A cross-section structures in Fig. 7.
Fig. 9 is to schematically show in prepackage type intraocular lens injector artificial lens in the case where artificial lens pushes pin effect
The close up perspective view of the spacing tabletting structure of artificial lens is depressed during axially movable.
Figure 10 is the zoomed-in view for schematically showing B-B cross-section structures in Fig. 9.
Figure 11 is to schematically show artificial lens to push pin head enlarged perspective.
Figure 12 a are the positive perspective views for schematically showing artificial lens tabletting.
Figure 12 b are the perspective views at the back side for schematically showing artificial lens tabletting.
Figure 13 is to schematically show artificial lens to push pin the perspective view being assembled together with artificial lens tabletting.
Figure 13 a are that to schematically show the artificial lens partial enlargement being assembled together with artificial lens tabletting of pushing pin saturating
View.
Figure 14 a and Figure 14 b are that to schematically show carrying shell fragment and body front end artificial lens supporting part be two portions
Part, pass through the assembling perspective view being connected together together.
Figure 15 is the structural perspective for schematically showing axial carrying block according to another embodiment of the present invention.
Figure 16 is the back side assembling structure perspective view for schematically showing axial carrying block.
Figure 16 a schematically show the composition work of the back side assembling structure of axial carrying block by the form of decomposition view
Part.
Figure 17 is the schematic perspective view for schematically showing folding banking stop according to still another embodiment of the invention, its
Middle artificial lens is not loaded.
Figure 17 a are the front projection figures for schematically showing the folding banking stop shown in Figure 17.
Figure 18 is the perspective view for schematically showing structure shown in Figure 17 after artificial lens is loaded.
Figure 18 a are the front projection figures for schematically showing the folding banking stop shown in Figure 18.
Figure 19 is to schematically show knot shown in Figure 17 under state before being plugged together after loading artificial lens with implant head
The perspective view of structure.
Figure 20 is schematically shown shown in Figure 17 in the state of after being plugged together after loading artificial lens with implant head
The perspective view (implant head not shown in figure) of structure.
Figure 20 a are the front projection figures for schematically showing structure shown in Figure 20.
Figure 21 is the stop of artificial lens tabletting in the prepackage type intraocular lens injector for schematically show the present invention
The perspective view of mechanism.
Figure 22 is the profile that blocking mechanism shown in obtained Figure 21 is intercepted along the section C-C in Figure 21.
The prepackage type artificial lens that Figure 23 a and Figure 23 b schematically show the present invention from different viewing angles respectively is planted
Enter the perspective view of the another embodiment of the front end artificial lens supporting part 11 of main body 3 of device, show that the front end of main body 3 is artificial in the figure
Artificial lens is not placed on crystal supporting part 11.
Part and reference numerals list
| 1 | Prepackage type intraocular lens injector |
| 2 | Implant head |
| 2a | Implant head nozzle |
| 3 | Main body |
| 3a | External screw thread |
| 4 | Helix tube |
| 5 | Artificial lens |
| 6 | Intraocular lens optic portion |
| 7a | Fastened with a rope, string, etc. before artificial lens |
| 7b | Fastened with a rope, string, etc. after artificial lens |
| 8 | Artificial lens tabletting |
| 9 | Artificial lens is pushed pin |
| 10 | Push rod |
| 11 | Body front end artificial lens supporting part |
| 12 | Body rear |
| 13 | Y-direction first of being fastened with a rope, string, etc. after artificial lens constrains |
| 14 | Y-direction second of being fastened with a rope, string, etc. after artificial lens constrains |
| 15 | Foldable banking stop |
| 16 | Carry shell fragment |
| 16a | Shell fragment linkage section |
| 16b | Shell fragment supporting part |
| 17 | Artificial lens loading end |
| 17a | Artificial lens loading end it is latter half of |
| 18 | Fastened with a rope, string, etc. after artificial lens spigot surface |
| 19 | Artificial lens is pushed pin groove |
| 20 | Artificial lens tabletting lug boss |
| 21 | Split type carrying shell fragment |
| 22 | Split type carrier block |
| 22a | Split type carrier block guide table |
| 23 | Spring |
| 24 | Carrier block guide groove |
| 25 | First folds banking stop |
| 26 | Second folds banking stop |
| 27 | Artificial lens tabletting stops platform |
| 28 | Artificial lens tabletting boss |
| 29 | Fixed limit component |
Embodiment
The prepackage type intraocular lens injector of the present invention includes：Main body, the main body are included positioned at the artificial of its front end
Crystal supporting part and the in advance artificial lens on the artificial lens supporting part；The implant head being connected with the body front end；
Drive mechanism is injected with what the body rear was connected.The artificial lens supporting part of the present invention is provided with the people that can prevent prepackage
The upspring structure and the artificial lens of prepackage can be constrained perpendicular to pre- that work crystal moves in the forward direction implant head inject
The limit component moved on dress formula intraocular lens injector axis direction.The limit component can be foldable limit component,
It can also be fixed limit component.The foldable limit component can be one or more foldable banking stops.It is described to inject
The artificial lens for injecting prepackage that drive mechanism includes installation push rod on the body, is connected with the push rod front end
Artificial lens push pin and inject handle with what the push rod tail end was connected.The prepackage type intraocular lens injector can be further
Including can constrain prepackage artificial lens rear button loop in the position on prepackage type intraocular lens injector axis direction
Rear button loop limiting component.Button loop limiting component can push pin when injecting artificial lens with artificial lens after described moves
The tabletting for reverses direction of being fastened with a rope, string, etc. after limitation artificial lens.The handle of injecting can be helix tube.The upspring structure can with it is described
The remainder of artificial lens supporting part is integrally formed or the upspring structure can with the artificial lens supporting part its
Remaining part lease making is linked together by linkage section.The upspring structure can be the carrying shell fragment for carrying the artificial lens of prepackage
The thin plate that either its bottom is connected with spring.It can be provided with the artificial lens supporting part and be used to be oriented in advance when being injected
The rear button loop guiding surface that button loop is moved to above intraocular lens optic face after the artificial lens of dress.Button loop guiding surface can be set after described
It is connected behind the upspring structure and with the upspring structure.
Multiple embodiments of the present invention are described in detail with reference to Figure of description.
1. first embodiment
Fig. 1 schematically shows the integrally-built perspective view of the prepackage type intraocular lens injector 1 of the present invention.Such as figure
Shown in 1, prepackage type intraocular lens injector 1 includes：Main body 3, the implant head being combined together with the front end grafting of main body 3
2, and the helix tube 4 being connected with the rear end of main body 3.Artificial lens 5 is pre-placed inside main body 3, and the artificial lens 5 has
Optical section 6 and a pair of buttons loop for being arranged at the edge of optical section 6（Including preceding button loop 7a and rear button loop 7b, as shown in Figure 2）.
Fig. 2 clearly indicates out the building block of prepackage type intraocular lens injector 1 by way of decomposition view.Main body
3 include the artificial lens supporting part 11 positioned at its front end and the body rear 12 being connected with helix tube 4.Artificial lens 5 is put in advance
It is placed on the artificial lens supporting part 11 of the front end of main body 3, its fortune is limited by the structural constraint of artificial lens supporting part 11
It is dynamic.Artificial lens supporting part 11 positioned at the front end of main body 3 is plugged in implant head 2, on the one hand realizes main body 3 and implant head
Therefore 2 connection, the artificial lens 5 being on the other hand arranged on body front end artificial lens supporting part 11 are also configured at implanting device
1 inside.Fig. 2 also show the building block for injecting drive mechanism of prepackage type intraocular lens injector 1：It is installed on main body 3
On push rod 10, push pin 9 with the front end 10a of push rod 10 artificial lens being connected, the helix tube 4 being connected with the tail end 10b of push rod 10, spiral shell
Coil 4 can freely rotate after being connected with push rod 10 around helix tube central axis, while the internal thread inside helix tube 4 is with being arranged at
The external screw thread 3a of the outer surface of main body endpiece 12, which cooperates, can be achieved reciprocating motion of the helix tube 4 on the axis direction of main body 3.By
In helix tube 4, push rod 10, artificial lens is pushed pin and linked together after 9 assemblings, therefore helix tube 4 is along the past of the axis direction of main body 3
Multiple motion can be achieved to artificial lens push pin 9 along main body axis direction reciprocating motion, 9 injected so as to realize that artificial lens is pushed pin
The action of artificial lens 5.Fig. 2 shows another part artificial lens tabletting 8 inside main body 3 simultaneously.Starting to inject people
During work crystal, artificial lens is pushed pin 9 is assemblied in one with artificial lens tabletting 8 by the push pin notch of 9 front ends of artificial lens
Rise and can be achieved to be synchronized with the movement, artificial lens push pin 9 with artificial lens tabletting 8 from initial position along the axis direction of main body 3 to implantation
2a directions are moved at first 2 head artificial lens nozzle, and artificial lens tabletting 8 is by the region of interest of main body 3 after moving to setpoint distance
Stop limits it and continues to move, and now artificial lens is pushed pin and 9 can depart from artificial lens tabletting 8 and continue to transport in the axial direction alone
It is dynamic.Operator only needs this action of rotary helix pipe thin to lead in the operating process of whole prepackage type intraocular lens injector
The assembly relation for crossing part is finally realized that artificial lens is pushed pin and moved along implanting device axis direction.Artificial lens pushes pin 9 along master
The axis direction of body 3 will be completed to turn over the 7a that fastens with a rope, string, etc. after artificial lens into the motion process in 2a directions at implant head artificial lens nozzle, push away
The artificial lens supporting part 11 that dynamic artificial lens 5 departs from body front end enters inside implant head 2, passes through the shape inside implant head 2
Shape designs, and artificial lens 5 will complete the folded roll process in the wrong that its volume is gradually reduced inside implant head 2, and eventually through position
2a is discharged into outside and injected so as to complete the artificial lens of whole implanting device at the artificial lens nozzle of the front end of implant head 2
Journey.
In the following description, it is defined as X side in terms of body rear is towards implant head 2 along the axis direction of main body 3
To（That is the direction of prepackage type intraocular lens injector axis）, the direction vertical with X-direction is defined as Y-direction, referring to Fig. 3.
Next the concrete structure of body front end artificial lens supporting part 11 is illustrated.Fig. 3 is to schematically show
Office during artificial lens is not placed on the prepackage type intraocular lens injector main body 3 front end artificial lens supporting part 11 of the present invention
Portion's enlarged perspective（The state that foldable banking stop 15 is in before not turning up）.Fig. 4 be schematically show the present invention it is pre-
Another angle is shown when not placing artificial lens on the front end artificial lens supporting part 11 of dress formula intraocular lens injector main body 3
Close up perspective view（Foldable banking stop 15 is in the state turned up）.The artificial lens supporting part 11 of the front end of main body 3 includes
Support the artificial lens loading end 17 of artificial lens 5, the latter half of 17a of artificial lens loading end 17 curved surface features and artificial crystalline substance
The lower optical surface shape of the optical section 6 of body 5 matches, under the rear button loop side that can effectively support the optical section 6 of artificial lens 5
Optical surface, body front end artificial lens supporting part 11 also include carrying shell fragment 16, this carrying shell fragment 16 and artificial lens supporting part
11 are structure as a whole, and use identical medical-grade plastics material（Material can be the general plastic cement such as polypropylene for medical article, medical polyethylene
Material）, carry shell fragment 16 and be made up of shell fragment linkage section 16a and shell fragment supporting part 16b, shell fragment linkage section 16a thickness is no more than 1 milli
Rice is responsible for the shell fragment supporting part 16b for carrying shell fragment 16 with body front end artificial lens supporting part 11 being connected, while less than 1 milli
The thickness of rice also ensure that linkage section 16a has certain pliability, can be in the shell fragment supporting part 16b stress of carrying shell fragment 16
When cause carry shell fragment occur Y-direction skew, carrying shell fragment 16 shell fragment supporting part 16b positioned at prepackage the light of artificial lens 5
Optical surface crosses center Qian Pan sides under the department of the Chinese Academy of Sciences, and shell fragment supporting part 16b is combined together with artificial lens loading end 17 and can supported
The firmly lower optical surface of whole artificial lens 5, due to carrying the shell fragment supporting part 16b of shell fragment 16 with being fastened with a rope, string, etc. before the optical section of artificial lens 5
Optical surface shape matches under side, thus this contact surface in X-direction further away from intraocular lens optic face center in-Y direction
On it is more raised, so as to play a part of constraining before being injected and prevent artificial lens from travelling forward in X direction.Fig. 3, figure
Optic diameters of the shell fragment supporting part 16b of the carrying shell fragment 16 of 4 displays in X-direction without departing from artificial lens 5, actual not office
It is limited to this, the optical section that carrying shell fragment can determine the need for exceeding in the X direction artificial lens 5 according to the design needs is straight
Footpath, the artificial lens supporting part 16b for the carrying shell fragment 16 that Fig. 3, Fig. 4 are shown are the optics with artificial lens 5 in the-y direction
The bottom surface of button loop side is in contact before portion, can actually be not limited to this, can will also carry the carrying of shell fragment 16 according to the design needs
Face continues to extend to support intraocular lens optic portion edge facets to -Y direction, while the surface for carrying shell fragment 16 is smooth
Arc surface transition, it can so ensure that artificial lens 5 will not be artificial during carrying shell fragment 16 is departed from after injecting beginning
The problems such as slide mark is produced on crystal optics face.The artificial lens supporting part 11 of the front end of main body 3 also includes constraint artificial lens 5 in Y
The foldable spacing chip architecture 15 moved on direction, because foregoing artificial lens loading end 17, carrying shell fragment 16 can provide
The effect that support artificial lens 5 and constraint artificial lens 5 move in X-direction, so to constrain the optical section of artificial lens 5 in Y side
To the motion design structure of foldable banking stop 15.Foldable banking stop 15 is integrated with intraocular lens optic supporting part 11
Formula structure design.Fig. 3 is shown foldable banking stop 15 and is in initial unfolded state.Foldable limit is shown in Fig. 4
State after the folding of bit slice 15.Foldable banking stop 15 turn down after with the active constraint artificial lens of artificial lens loading end 17 1
The motion of 5 optical section 6 in the Y direction.Some other feature of body front end artificial lens supporting part 11 also includes constraint people
Fastened with a rope, string, etc. after work crystal 5 position limiting structures 13,14 of 7a positions in the Y direction（After Y-direction first of being fastened with a rope, string, etc. after artificial lens constraint and artificial lens
Button loop Y-direction second constrains）.Artificial lens push pin 9 move in X direction it is artificial to contact from the rear button loop 7a of contact artificial lens 5
7a turnovers of being fastened with a rope, string, etc. after making during this of the optic edge of the rear button loop side of crystal 5 move to optics in intraocular lens optic portion 6
The guiding pits rampway structure 18 in face.The above feature together constitutes body front end artificial lens supporting part 11.So as to realize people
The placement of work crystal, position of intraocular lens constraint, rear button loop turn over button loop, and artificial lens is pushed pin movement progress artificial lens light in X direction
The generation resilient bias of shell fragment 6 are carried after the department of the Chinese Academy of Sciences causes artificial lens smoothly to depart from body front end artificial lens loading end and enter implantation
A series of actions processes such as head inside.
Fig. 5 a are the prepackage type intraocular lens injector body front end artificial lens carryings for schematically showing the present invention
The close up perspective view after artificial lens 5 is assembled in portion 11, and the state that foldable banking stop 15 is in before not turning up is shown in figure.
Fig. 5 b are that the prepackage type intraocular lens injector body front end artificial lens supporting part 11 for schematically showing the present invention assembles
Close up perspective view after artificial lens 5, show that foldable banking stop 15 is in the state turned up in figure.Can be clear from figure
Chu finds out, unfolded state is in when the foldable banking stop 15 positioned at artificial lens supporting part front end 11 is initial, so operates
Artificial lens 5 can be freely positioned on artificial lens supporting part 11 by person along Y-direction.After artificial lens 5 is in place,
The upset of foldable banking stop 15 is folded over, the sky for folding banking stop 15 and being formed with artificial lens loading end after upset folding
Between can just constrain the motion of the optical section of artificial lens 5 in the Y direction avoid may be to artificial lens in placement process to reach
Caused by damage and it is simple to operate.Foldable banking stop 15 and artificial lens supporting part one are can be seen that from Fig. 5 a and Fig. 5 b
Body designs, and the quantity of foldable banking stop 15 is 2, actually can need to use quantity according to design for one or more, and one
Body or split design, symmetrically or non-symmetrically arrange with respect to the center line of 5 optical section of artificial lens 6.
Present artificial lens 5 is placed into artificial lens supporting part 11 and is in restrained condition, by with implant head 2
Grafting can realize that artificial lens 5 is placed into the inside of implanting device 1.Fig. 6（Implant head 2 is not shown）Show and be positioned over body front end
The artificial lens 5 of artificial lens supporting part 11 artificial lens push pin 9 move to 6 edge of intraocular lens optic portion in X direction when
The 7a that fastened with a rope, string, etc. after during artificial lens is turned to state during optical surface in intraocular lens optic portion 6.Artificial lens pushes pin 9 along X axis
In the nozzle position 2a motion processes of implant head 2, the rear button loop 7a of artificial lens can be touched first, artificial lens, which is pushed pin, 9 to be continued to transport
It is dynamic, due to the design for spigot surface 18 of being fastened with a rope, string, etc. after body front end artificial lens so that button loop is inevitable after by the power of X-direction after artificial lens
To be moved along rear button loop spigot surface 18, artificial lens is pushed pin 9 and the barrier effect in the Y direction of artificial lens tabletting 8 in addition, when
Artificial lens pushes pin 9 when continuing to move to the edge in intraocular lens optic portion 6, and button loop 7a will be located at artificial lens after artificial lens
The top of upper optical surface.Pushed pin in artificial lens and touch the 7a and along when continuing to move in X direction of fastening with a rope, string, etc. after artificial lens, manually
Crystal optics portion 6 can not be moved due to the effect of contraction of foldable banking stop 15 in the Y direction, but if button loop 7a is along rear afterwards
Button loop spigot surface is folded to before the upper surface of intraocular lens optic face, and intraocular lens optic portion 5 has started to move in X direction, then whole
The process of individual artificial Lens implantation can also fail.How this risk is avoidedThis just needs to mention again to be previously discussed above
Carrying shell fragment 16 in the X direction to the effect of contraction of artificial lens.Because the material of artificial lens is soft materials and artificial
Fastened with a rope, string, etc. after crystal very tiny, the power very little fastened with a rope, string, etc. so artificial lens is pushed pin after 9 turnovers.The binding function of carrying shell fragment 16 can ensure
Intraocular lens optic portion does not move in X direction during button loop is turned over.But when artificial lens is pushed pin action movement of being fastened with a rope, string, etc. after 9 completions are turned over
To after intraocular lens optic portion edge, artificial lens is pushed pin, and artificial lens 5 is injected implant head by motion realization in X direction for continuation
Action inside 2, but carry the motion in obstruction intraocular lens optic portion after shell fragment 16Due to carrying the linkage section of shell fragment 16
16a thickness is no more than 1 millimeter and be plastic cement material so that intraocular lens optic portion 6 pushed pin in artificial lens 9 thrust
Lower that a downward pressure can be produced to carrying shell fragment, carrying shell fragment is depressed so as to which artificial lens 6 can continue to transport in X direction
It is dynamic.Fig. 7 is to schematically show the front projection figure that artificial lens 5 is placed in body front end artificial lens supporting part 11, figure
In show that foldable banking stop 15 is in the state turned up.The amplification that Fig. 8 schematically shows A-A cross-section structures in Fig. 7 regards
Figure.It can be clearly seen that from Fig. 8 when artificial lens 5 is placed on body front end artificial lens supporting part 11, spacing pressure
Piece 16 is in the state of upspringing that is not depressed, so as to prevent artificial lens 5 along X-axis line direction to the front end nozzle of implant head 2
Move in direction.Fig. 9 is the optical section 6 for schematically showing artificial lens 5 in prepackage type intraocular lens injector artificial brilliant
Body is pushed pin depresses the close up perspective view of the spacing tabletting structure of artificial lens under 9 effects along during X-motion.Figure 10 is
Schematically show the zoomed-in view of B-B cross-section structures in Fig. 9.By Figure 10 it may be clearly seen that artificial lens 5 is being moved through
Oppress spacing tabletting structure 16 in journey to be allowed in the state being depressed, artificial lens 5 can be smoothly along implantation in this case
Device X-direction moves at the front end nozzle of implant head 2.
Figure 11 schematically show artificial lens push pin 9 head enlarged perspective.Figure 12 a are schematically shown
The positive perspective view of artificial lens tabletting 8.Figure 12 b schematically show the perspective view at the back side of artificial lens tabletting 8.By
Visible in figure, there are two necks push pin 9 front end of artificial lens, by this two neck artificial lens push pin 9 with it is artificial
Two bulge-structures of crystal tabletting 8 are assembled together, and in a free state, two parts can move together, but when artificial
Crystal tabletting 8 is in motion process by stopping that artificial lens is pushed pin and 9 can depart from artificial lens tabletting when can not continue motion
8, continue to travel forward along X-axis to complete to inject the whole action process of artificial lens 5.Figure 13 is to schematically show manually
Crystal is pushed pin 9 to be assembled together with artificial lens tabletting 8（Under connection status）Perspective view.Figure 13 a are schematically to show
Go out artificial lens to push pin 9 close up perspective view being assembled together with artificial lens tabletting 8.It can be understood by enlarged drawing
Find out that artificial lens is pushed pin and 9 pass through the raised state to be linked together with neck with artificial lens tabletting 8.
2. second embodiment
It can also be single part to carry shell fragment 16.Figure 14 a and Figure 14 b be schematically show carrying shell fragment 16 with
Body front end artificial lens supporting part 11 is two single parts, passes through the assembling perspective view being connected together together.By this
It can see in figure：Spacing tabletting 21 is used as a single part, passes through snap action and the body front end people of rear end buckle
Work crystal supporting part 11 links together, and Figure 14 b show split type carrying shell fragment 21 and body front end people by Section View
The annexation of work crystal supporting part 11.
Figure 17 is the schematic perspective view for schematically showing folding banking stop 15 according to the second embodiment of the present invention,
Wherein artificial lens is not loaded.Figure 17 a are the front projection figures for schematically showing the folding banking stop shown in Figure 17.Figure
17 and Figure 17 a show other foldable forms of foldable banking stop 15, and foldable banking stop according to the design needs can be with
Be designed as first fold banking stop 25 form, may be designed in as second fold banking stop 26 form, Tu17He
What is shown in Figure 17 a folds banking stop 25 for first, and before the second folding banking stop 26 is unfolded and body front end artificial lens is held
The state of the unloaded artificial lens of load portion 11.
Figure 18 is the perspective view for schematically showing structure shown in Figure 17 after artificial lens 5 is loaded.Figure 18 a are to show
Show to meaning property the front projection figure of the folding banking stop shown in Figure 18.What is shown in Figure 18 and Figure 18 a folds limit for first
Bit slice 25, before the second folding banking stop 26 is unfolded but when body front end artificial lens supporting part 11 has loaded artificial lens 5
State.
Figure 19 show body front end artificial lens supporting part 11 load artificial lens 5 after, it is necessary to the installation of implant head 2
Preceding state, if the form as shown in the first folding banking stop 25, needs preceding by first together with being loaded with implant head 2
Fold banking stop 25 to turn, if the form as shown in the second folding banking stop 26, directly plugs together installation with implant head 2
.Guide groove in implant head 2 automatically can fold the second folding banking stop 26 in place during plugging together.
Figure 20 is to schematically show Figure 17 institutes in the state of after being plugged together after loading artificial lens 5 with implant head 2
Show the perspective view (implant head not shown in figure) of structure.Figure 20 a are the front projections for schematically showing structure shown in Figure 20
Figure.Shown in Figure 20 and Figure 20 a for body front end artificial lens supporting part 11 load artificial lens 5 after plugged together with implant head 2
The first folding banking stop 25 and second folds the state after banking stop 26 folds in place afterwards.
Figure 21 is the stop of artificial lens tabletting in the prepackage type intraocular lens injector for schematically show the present invention
The perspective view of mechanism.Figure 22 is the profile that blocking mechanism shown in obtained Figure 21 is intercepted along the section C-C in Figure 21.Work as people
The 9 drive artificial lens tablettings 8 of pushing pin of work crystal travel forward setpoint distance together, and the boss 28 of artificial lens tabletting 8 will be pre-
The artificial lens tabletting of dress formula intraocular lens injector body interior stops that platform 27 stops, continues so as to limit artificial lens tabletting
Push pin and move forward with artificial lens, as a result cause artificial lens to be pushed pin and 9 be separated with artificial lens tabletting 8, from
And artificial lens is pushed pin and 9 move forward alone.
3. the 3rd embodiment
Figure 15, Figure 16 show that the front of axial carrying block according to the third embodiment of the invention and back side assembling regard
Figure.
The assembling parts of this axial carrying block can be seen more clearly from Figure 16, it is by split type carrier block 22 and spring
23 compositions, spring 23 is assembled in the hole of split type carrier block 22 so that axial carrying block 22 can edge under the action of the spring
Y direction of principal axis to move, the guide protrusions 22a on axial carrying block 22 is assemblied in the body front end artificial lens supporting part back side
In carrier block guide groove 24 so that the X-direction position of axial carrying block 22 suffers restraints fixation.Structure equally can be real in this
Now as the aforementioned first, the function of the carrying shell fragment 16 described in second embodiment.
4. the 4th embodiment
The prepackage type artificial lens that Figure 23 a and Figure 23 b schematically show the present invention from different viewing angles respectively is planted
Enter the perspective view of the another embodiment of the front end artificial lens supporting part 11 of main body 3 of device 1.Can from Figure 23 a and Figure 23 b
Arrive：The artificial lens that can constrain prepackage is provided with the artificial lens supporting part 11 of the front end of main body 3 perpendicular to prepackage type people
The fixation limit component 29 moved on work Lens implantation device axis direction.The fixed limit component 29 is according to be actually needed can be with
It is one or more.The fixed limit component 29 can be integral with intraocular lens optic supporting part 11 or can also
It is split but is fixedly attached to one another.
Embodiment described above is exemplary only and nonrestrictive.Therefore, do not depart from it is disclosed herein
Inventive concept in the case of, those skilled in the art can modify or change to above-described embodiment.Therefore, it is of the invention
Protection domain only limited by the scope of the appended claims.
Claims (9)
- A kind of 1. prepackage type intraocular lens injector（1）, the prepackage type intraocular lens injector includes：Main body（3）, the main body includes the artificial lens supporting part positioned at its front end（11）The artificial lens is mounted in advance Artificial lens on supporting part（5）；The implant head being connected with the body front end（2）；WithDrive mechanism is injected with what the body rear was connected,Characterized in that,The artificial lens supporting part（11）Provided with the artificial lens that can prevent prepackage（5）In the forward direction implant head inject （2）The upspring structure of motion and the artificial lens of prepackage can be constrained perpendicular to prepackage type intraocular lens injector axis direction The limit component of upper motion, the upspring structure be for carry prepackage artificial lens carrying shell fragment either its bottom with The connected thin plate of spring, carry shell fragment shell fragment supporting part or thin plate contact surface in X-direction further away from intraocular lens optic Face center is more raised on-Y direction.
- 2. prepackage type intraocular lens injector as claimed in claim 1, it is characterised in that：The limit component is foldable limit Position component.
- 3. prepackage type intraocular lens injector as claimed in claim 2, it is characterised in that：The foldable limit component is one Individual or multiple foldable banking stops.
- 4. prepackage type intraocular lens injector as claimed in claim 1, it is characterised in that：The drive mechanism of injecting includes peace Mounted in the main body（3）On push rod（10）, the artificial lens for being used to inject prepackage that is connected with the push rod front end（5）People Work crystal is pushed pin（9）And inject handle with what the push rod tail end was connected（4）.
- 5. prepackage type intraocular lens injector as claimed in claim 4, it is characterised in that：The prepackage type artificial lens implantation Device further comprises the rear button loop for the artificial lens that can constrain prepackage perpendicular to prepackage type intraocular lens injector axis direction On position rear button loop limiting component.
- 6. prepackage type intraocular lens injector as claimed in claim 5, it is characterised in that：Button loop limiting component is to push away after described Note artificial lens when pushed pin with artificial lens move limitation artificial lens after fasten with a rope, string, etc. reverses direction tabletting.
- 7. prepackage type intraocular lens injector as claimed in claim 4, it is characterised in that：The handle of injecting is helix tube.
- 8. prepackage type intraocular lens injector as claimed in claim 1, it is characterised in that：The upspring structure with it is described artificial The remainder of crystal supporting part is integrally formed or the remainder of the upspring structure and the artificial lens supporting part passes through Linked together by linkage section.
- 9. prepackage type intraocular lens injector as claimed in claim 1, it is characterised in that：The artificial lens supporting part is provided with For being oriented to the rear button loop guiding surface fastened with a rope, string, etc. and moved to above intraocular lens optic face after the artificial lens of prepackage when being injected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310381444.XA CN104414774B (en) | 2013-08-28 | 2013-08-28 | Prepackage type intraocular lens injector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310381444.XA CN104414774B (en) | 2013-08-28 | 2013-08-28 | Prepackage type intraocular lens injector |
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| CN104414774A CN104414774A (en) | 2015-03-18 |
| CN104414774B true CN104414774B (en) | 2017-12-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3915518A4 (en) * | 2019-01-25 | 2022-10-26 | Eyebright Medical Technology (Beijing) Co., Ltd. | INTRAOCULAR LENS IMPLANT DEVICE AND PRE-LOADED INTRAOCULAR LENS IMPLANT DEVICE |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111481339B (en) * | 2019-01-25 | 2024-08-27 | 爱博诺德(北京)医疗科技股份有限公司 | Artificial crystal implanter |
| CN111481321A (en) * | 2019-01-25 | 2020-08-04 | 爱博诺德（苏州）医疗器械有限公司 | Pre-installed intraocular lens implant device |
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| CN1250362A (en) * | 1997-02-28 | 2000-04-12 | 斯塔尔外科公司 | Implantation device with deformable nozzle tip for implanting a deformable intraocular lens |
| CN101426458A (en) * | 2004-07-01 | 2009-05-06 | 比奥维申有限公司 | Intracorneal lens insertion device |
| CN102106764A (en) * | 2011-01-14 | 2011-06-29 | 爱博诺德（北京）医疗科技有限公司 | Intraocular lens (IOL) retainer and method for implanting IOL into head |
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| AU2003274416A1 (en) * | 2003-09-26 | 2005-04-14 | Bausch And Lomb Incorporated | Preloaded iol injector and method of packaging |
| US20080200921A1 (en) * | 2007-02-15 | 2008-08-21 | Downer David A | Lens Delivery System |
| JP5254669B2 (en) * | 2008-06-05 | 2013-08-07 | Ｈｏｙａ株式会社 | Intraocular lens insertion device and cartridge |
| CN202086618U (en) * | 2011-01-14 | 2011-12-28 | 爱博诺德（北京）医疗科技有限公司 | Intraocular lens maintainer and pre-installed intraocular lens implanting device |
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|---|---|---|---|---|
| CN1250362A (en) * | 1997-02-28 | 2000-04-12 | 斯塔尔外科公司 | Implantation device with deformable nozzle tip for implanting a deformable intraocular lens |
| CN101426458A (en) * | 2004-07-01 | 2009-05-06 | 比奥维申有限公司 | Intracorneal lens insertion device |
| CN102106764A (en) * | 2011-01-14 | 2011-06-29 | 爱博诺德（北京）医疗科技有限公司 | Intraocular lens (IOL) retainer and method for implanting IOL into head |
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| EP3915518A4 (en) * | 2019-01-25 | 2022-10-26 | Eyebright Medical Technology (Beijing) Co., Ltd. | INTRAOCULAR LENS IMPLANT DEVICE AND PRE-LOADED INTRAOCULAR LENS IMPLANT DEVICE |
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| CN104414774A (en) | 2015-03-18 |
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Address after: 102200 No. 9 Xingchang Road, Changping District Science and Technology Park, Beijing Patentee after: Abbott (Beijing) Medical Technology Co., Ltd. Address before: 102200, Changping District Beijing science and Technology Park, super Road, No. 37, building 1, 6 North Zone Patentee before: Eponode (Beijing) Medical Technology Co., Ltd. |