CN100488472C - Insert system for intraocular lenses - Google Patents
Insert system for intraocular lenses Download PDFInfo
- Publication number
- CN100488472C CN100488472C CNB001370979A CN00137097A CN100488472C CN 100488472 C CN100488472 C CN 100488472C CN B001370979 A CNB001370979 A CN B001370979A CN 00137097 A CN00137097 A CN 00137097A CN 100488472 C CN100488472 C CN 100488472C
- Authority
- CN
- China
- Prior art keywords
- crystalline lens
- ophthalmic
- flush mounting
- inserts
- lenticular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
One deformable eye crystalline lens embedding system includes one eye crystalline lens; one lens package to store the lens and without stress acting onto the optical part of the lens; one deformer to deform the lens to one reduced size; and one embedding unit with one inserting pipe to embed the deformable lens into eye and one pushing mechanism to push the lens for embedding into eye. The said lens package has also one function of connecting to the embedding unit and one function of acting as one part of the embedding unit.
Description
Technical field
The present invention relates to a kind of device that is used for a deformable ophthalmic insertion is inserted with crystalline lens eyes.This deformable ophthalmic inserts with lenticular example and comprises a kind of deformable ophthalmic insertion crystalline lens, it is embedded into ophthalmic and replaces inherent crystalline lens, this carries out when inherent crystalline lens is removed owing to cataract, and a kind of correcting vision crystalline lens, its single goal for correcting vision is embedded into ophthalmic.
Background technology
Usually, in cataract surgery, ophthalmic inserts and is embedded in the eye with crystalline lens, and inherent crystalline lens is removed (removing lenticular eyes) from eye, so this ophthalmic inserts with crystalline lens and is positioned at originally the position that is occupied by intrinsic crystalline lens and recovers vision.Since Ridley in 1949 has carried out the implantation of prosthetic lens for the first time, carried out about the multiple research of this ophthalmic insertion with lenticular material and shape.
In the last few years, except inserting with the lenticular research about ophthalmic, wherein this crystalline lens was used for the vision restoration after the cataract surgery, had also carried out with lenticular concentrated research about being used for the gauged ophthalmic insertion of refracting power.This gauged ophthalmic of refracting power that is used for inserts and is embedded into eye with correct myopia or hypermetropia with crystalline lens, wherein also has an intrinsic crystalline lens (having lenticular eyes) in the eye.
About cataract surgery, be used for having obtained extensive use by a kind of technology that the tissue that ultrasonic emulsification crushing lens tissue also will be crushed siphons away.The operation that this technology makes crystalline lens remove operation cuts lighttight crystalline lens by a little otomy.With the development of operating technology itself, ophthalmic inserts and also has been modified with crystalline lens itself recently.A kind of so improved ophthalmic insertion for example is disclosed in crystalline lens, and Japanese patent application discloses among (kokai) No.58-146346.Insert with in the crystalline lens at this ophthalmic, optics (optical) part is made by a kind of deformable elastomeric material.This ophthalmic inserts with crystalline lens and is embedded into eyes with a kind of folded state through a little otomy and is reset into its original-shape in eye, allows its enforcement crystalline lens function of its definite (appropriately).
Development along with these technology, this ophthalmic inserts with the material of lenticular opticator from hard methyl methacrylate (PMMA) to silicones or soft acrylic resin gradually changes, and this makes the ophthalmic insertion be embedded in the eye with a kind of folded state with crystalline lens.
And in recent years,, and carried out about the research of water wetted material, for example 2-hydroxyethyl methylacrylate (HEMA) about copolymer, for example hydroxyethyl methylacrylate and methylmethacrylate.
In addition, difform ophthalmic inserts with crystalline lens and has been studied and drops into actual use, comprises that a kind of ophthalmic insertion uses crystalline lens, and it has the opticator and the annular supporting part of a circle of being made by different materials; A kind of ophthalmic inserts and uses crystalline lens, and its annular supporting part and opticator are made by identical materials; And a kind of ophthalmic inserts and uses crystalline lens, and it has the supporting part of dish type.
In addition, following patent application has disclosed flush mounting, and it is used for above-mentioned deformable ophthalmic is inserted with crystalline lens with a kind of compression or folded state embedding eye.
(1) Japanese patent application open (kokai) No.5-103803 has disclosed a kind of device, it so designs so that fixing a folding lenticular retaining element is connected on the main body, and this crystalline lens is arranged on the vertical insertion tube of retaining element embedding eyes by one.
(2) Japanese patent application open (kokai) No.7-23991 has disclosed a kind of disposable flush mounting, wherein be used for fixing a folding lenticular part and device main body and be integral, and whole device is by resin formation.
(3) Japanese Kohyo (PCT) patent disclosure No.9-506285 has disclosed a kind of ophthalmic insertion device for implanting lens into, and it has widely uses.Insert with in the device for implanting lens at this ophthalmic, a crystalline lens is remained on the middle zone of preparing of a main body with a kind of unstress state.After a pipe (inserting tube) was connected to main body, this ophthalmic inserted and is embedded in the eye by pipe with crystalline lens.Described zone line is as a crystalline lens bag.
Traditional ophthalmic of describing in (1) and (2) inserts has following shortcoming with lenticular insertion device.When any in these install was used, an ophthalmic that takes out from bag inserted and is placed on the part of device with crystalline lens, is deformed, and is embedded in the eye then.Therefore, during practical operation, ophthalmic need be inserted with crystalline lens and be placed on work on this device, thereby the ophthalmic that relates to that causes increasing inserts time and work with the crystalline lens implantation.
In addition, a kind of like this ophthalmic insertion must be made aseptic by a sterilisation step with crystalline lens and flush mounting, because they are embedded in the eye by otomy.But, if operator drops to a sordid surface with crystalline lens and/or flush mounting once in a while in placing operation, for example on floor or the table, will lose aseptic condition, and this crystalline lens and/or flush mounting become useless.
In addition, do not insert when embedding in the eye with crystalline lens when the operator correctly is placed on ophthalmic on the device by force with one, this crystalline lens may be broken, maybe may be forced to fly out from insert tube, causes the infringement to the inside ofeye tissue potentially.
The ophthalmic of describing in (3) inserts has following shortcoming with device for implanting lens into.Although the zone line of this device can be used as a crystalline lens bag, between the actual operating period, connect a pipe (inserting tube) and must carry out, because pipe (inserting tube) is an element that forms separately with main body to the work of main body.Although a kind of technology is arranged, it inserts ophthalmic in advance and is stored in zone line with crystalline lens, and this zone is positioned at the central axis of a push rod, and zone line is difficult to be suitable for storing lenticular material and be made by a kind of.In addition, zone line can not be formed to have a kind of function, and this function is to fix an ophthalmic with ring-shaped bearing part exactly to insert with crystalline lens necessary.That is to say, although this ophthalmic inserts and must be stored under a kind of state with crystalline lens, wherein can keep this ophthalmic to insert with the angle between lenticular opticator and the supporting part, the zone line of traditional flush mounting can not provide this angle to keep function.
Summary of the invention
An object of the present invention is to provide and a kind ofly be used for deformable ophthalmic and insert with lenticular insertion device, this system eliminates or has simplified a crystalline lens is placed on an operation on the flush mounting, relate to the time of placing operation thereby saved, solved the shortcoming relevant simultaneously with traditional flush mounting, lenticular breaking or incorrect embedding for example, this otherwise will cause by an operator's maloperation.
Another object of the present invention provides and a kind ofly is used for deformable ophthalmic and inserts with lenticular insertion device, and this system (insertion device) can guarantee that an operator freely selects a kind of ophthalmic to insert usefulness crystalline lens and a kind of flush mounting according to selected method or patient's state.
A kind of ophthalmic that is used for of the present invention inserts with lenticular insertion device, comprising: to ophthalmic insertion with deformable opticator with lenticular described opticator with the state that do not produce stress, store described lenticular crystalline lens bag in advance; Flush mounting, this flush mounting have by the thin insertion tube of inner chamber front end described crystalline lens to be deformed into the ejecting mechanism that the shape that reduces size embeds ophthalmic; It is characterized in that: the installing mechanism that described crystalline lens bag is installed between the described ejecting mechanism of described flush mounting and described insertion tube; This mounted crystalline lens bag plays a role as the part of the mechanism of described flush mounting.
A kind of ophthalmic that is used for of the present invention inserts with lenticular insertion device, comprising: the ophthalmic insertion crystalline lens with a deformable opticator; One is used to store described lenticular crystalline lens bag, does not wherein have stress on this lenticular opticator; Be used to make described crystalline lens to be deformed to an anamorphic attachment for cinemascope that reduces size; And flush mounting with an insertion tube and an ejecting mechanism, be embedded in the eye by described insertion tube deformable lens, described ejecting mechanism is used for promoting described crystalline lens and it is embedded eye, it is characterized in that: described crystalline lens bag has a kind of function and a kind of function that is used as by the part of mechanism that flush mounting provides that is connected to described flush mounting.
To achieve these goals, the invention provides and a kind ofly be used for deformable ophthalmic and insert, comprising: an ophthalmic insertion crystalline lens with a deformable opticator with lenticular insertion device; One is used for described crystalline lens is stored in crystalline lens bag under a kind of state, does not wherein have stress on this lenticular opticator; Be used to make described crystalline lens to be deformed to a kind of anamorphic attachment for cinemascope that reduces size; And the flush mounting with an insertion tube and an ejecting mechanism, being embedded in the eye by a described insertion tube deformable lens, described ejecting mechanism is used for promoting described crystalline lens and it is embedded eye.Described crystalline lens bag has a kind of function and a kind of function that is used as by the part of mechanism that flush mounting provides that is connected to flush mounting.
Insertion device according to the invention is eliminated or has been simplified a kind of ophthalmic is inserted with crystalline lens and taken out and crystalline lens is placed on operation on the flush mounting from the crystalline lens box.In addition, insertion device according to the invention has prevented faulty operation, thereby has improved safety.In addition, this insertion device guarantees that an operator freely selects a kind of ophthalmic to insert with crystalline lens and a kind of flush mounting, thereby realizes inserting the optimization of inserting device with crystalline lens at a kind of operational approach of selection or the ophthalmic of patient's states.
Preferably, described anamorphic attachment for cinemascope and described insertion tube is integrally formed.In this case, be used to make the ophthalmic insertion can be simplified with the structure of the flush mounting of crystalline lens distortion.
Preferably, described anamorphic attachment for cinemascope of at least a portion and described crystalline lens bag are integrally formed.In this case, be used to make the ophthalmic insertion can be simplified with the structure of the flush mounting of crystalline lens distortion.
Preferably, when described crystalline lens bag is connected to described flush mounting, the central axes of a push rod of lenticular center and formation ejecting mechanism.By connecting the operation of described crystalline lens bag to flush mounting, this structure guarantees that this ophthalmic insertion is positioned at a position that is used to use automatically with crystalline lens.
Preferably, described insertion device also comprises a crystalline lens travel mechanism that is used for crystalline lens is moved to from the spare space embedded location, central axis at the lenticular center of standby position with a push rod that constitutes ejecting mechanism does not overlap, in the central axes of lenticular center, embedded location place and push rod.This structure guarantees that described crystalline lens bag has a kind of other function of non-storage crystalline lens function.An example of this other function is to keep this ophthalmic to insert with the angle between lenticular opticator and the supporting part.In addition, by moving lenticular simple operations, described ophthalmic inserts with crystalline lens insertion device can be brought into a kind of user mode.
In conjunction with the accompanying drawings, about detailed description of preferred embodiment other purpose of the present invention, characteristics and the easier quilt of advantage will be understood by following.
Description of drawings
Fig. 1 represents that a kind of ophthalmic according to the present invention inserts the perspective view that inserts the device formation with crystalline lens;
Fig. 2 A and 2B are that expression is inserted the view that inserts device one first embodiment with crystalline lens according to ophthalmic of the present invention, and wherein Fig. 2 A is the front view with flush mounting of a crystalline lens box, and Fig. 2 B is a bottom view of this flush mounting;
Fig. 3 A to 3D is the view of crystalline lens box shown in the presentation graphs 2A, and wherein Fig. 3 A is a plane graph of crystalline lens box, and Fig. 3 B is a left view of crystalline lens box, and Fig. 3 C is a right view of crystalline lens box, and Fig. 3 D is the profile along the 3D-3D line of Fig. 3 A;
Fig. 4 is and the corresponding front view of Fig. 2 A, represents a kind of state, and wherein said crystalline lens box separates with flush mounting;
Fig. 5 is a view, a kind of modification of first embodiment shown in presentation graphs 2A and the 2B;
Fig. 6 is a front view, and expression is used in a modification of the insertion tube among first embodiment;
Fig. 7 A and 7B are views, second embodiment that inserts device with crystalline lens is inserted in expression according to ophthalmic of the present invention, wherein Fig. 7 A is a front view of flush mounting, represent a kind of state, wherein the crystalline lens box has been connected to flush mounting and ophthalmic and inserts with crystalline lens and be positioned at first or the spare space, Fig. 7 B is a front view of flush mounting, represents a kind of state, and wherein crystalline lens is positioned at second or embedded location;
Fig. 8 A to 8C is the view of a kind of state of expression, wherein the crystalline lens box separates with the flush mounting shown in Fig. 7 A and the 7B, wherein Fig. 8 A is a front view of flush mounting, and Fig. 8 B is an amplification view of crystalline lens box, and Fig. 8 C is a profile along Fig. 8 B line 8C-8C;
Fig. 9 A and 9B are the profile of crystalline lens box along Fig. 8 A line 9-9, and wherein Fig. 9 A represents a kind of state, and ophthalmic inserts and is positioned at a spare space with crystalline lens in this state, and Fig. 9 B represents a kind of state, and the wherein lenticular element that is pressed into is positioned at an on position;
Figure 10 A and 10B are the views of expression second embodiment, and wherein Figure 10 A is the profile along Fig. 7 A line 10A-10A, and Figure 10 B is the profile along Fig. 7 B line 10B-10B;
Figure 11 is the front view of a flush mounting, and expression is in a kind of remodeling of second embodiment shown in a kind of Fig. 7 A of state and the 7B, and a crystalline lens box separates with flush mounting in this state;
Figure 12 represents and Figure 10 A and the corresponding profile of 10B, and the another kind of second embodiment shown in presentation graphs 7A and 7B remodeling, and wherein the crystalline lens box has the base portion of a change;
Figure 13 is a plane graph, an expression improvement example of the insertion tube of flush mounting in a second embodiment.
The specific embodiment
Below with reference to accompanying drawings embodiments of the invention are described.
Fig. 1 represents that a kind of ophthalmic according to the present invention inserts the perspective view that inserts the device formation with crystalline lens.
System according to the invention mainly is made up of a crystalline lens box 10 and a flush mounting 30, inserts a crystalline lens bag with crystalline lens 20 in wherein box 10 stores at a glance as one, and device 30 is used for the ophthalmic insertion is embedded patient's eyes with crystalline lens 20.
Said structure has been realized design of the present invention, and therefore when the crystalline lens box 10 as a crystalline lens bag was connected to flush mounting 30, crystalline lens box 10 was as the part by flush mounting 30 mechanism that provides.
Fig. 2 A and 2B are that expression is inserted the view that inserts device first embodiment with crystalline lens according to ophthalmic according to the present invention, and wherein Fig. 2 A is the front view of crystalline lens box 10 device 30 when being connected to flush mounting 30, and Fig. 2 B is a bottom view of flush mounting 30.
The tubular body 31 of flush mounting 30 is made by transparent or semitransparent plastics, so that the diameter of bottom 31a is littler than the diameter of top 31b.The central axis place that above-mentioned push rod 33 is located at tubular body 31 is set, and the through hole of taper insertion tube 32 is aimed at the central axis of tubular body 31.
Above-mentioned conjugate foramen 36 is formed on the horizontal zone of coupling part 35, and groove be formed on coupling part 35 the front side vertical wall on the rear surface.Conjugate foramen 36 and groove 37 make crystalline lens box 10 with respect to 35 location, coupling part together.
From Fig. 3 A to 3D, can clearly be seen that, crystalline lens box 10 constitutes by assembling crystalline lens box top 11 and crystalline lens box bottom 12, on top 11, place ophthalmic and insert, form crystalline lens box bottom 12 and be placed on ophthalmic on the crystalline lens box top 11 with covering and insert upper surface with crystalline lens 20 with crystalline lens 20.
Fig. 3 A is a plane graph of crystalline lens box, and Fig. 3 B is a left view of crystalline lens box, and Fig. 3 C is a right view of crystalline lens box, and Fig. 3 D is the profile along the 3D-3D line of Fig. 3 A;
A slotted recess 11a is formed on the upper surface at crystalline lens box top 11, so that recess 11a extends along the horizontal direction of Fig. 3 A.Being used for supporting ophthalmic inserts with the ophthalmic insertion of the opticator 21 of crystalline lens 20 and is arranged on recess 11a with the supporting part 22 of crystalline lens 20.The above-mentioned projection 14 that cooperates with the conjugate foramen 36 of coupling part 35 is formed on the lower surface at crystalline lens box top 11, and is positioned at from Fig. 3 A center slightly a position to right avertence.Be formed for covering the crystalline lens box bottom 12 of crystalline lens box top 11 upper surfaces,, cover the upper surface and periphery (side) surface at crystalline lens box top 11 simultaneously so that crystalline lens box bottom 12 can be mounted on the crystalline lens box top 11.Above-mentioned through hole 13 is formed among left and right wall 12a and the 12b, and when being connected to coupling part 35 with convenient crystalline lens box 10, the center of through hole 13 is aimed at the central axis of the tubular body 31 of flush mounting 30.
The detailed step of placing crystalline lens box 10 is as described below.At first, ophthalmic inserts and is placed on crystalline lens box top 11 with crystalline lens 20, so that the opticator 21 of crystalline lens 20 is corresponding with the recess 11a at crystalline lens box top 11, and opticator 21 and supporting part 22 that ophthalmic is inserted with crystalline lens 20 are supported by the marginal portion of recess 11a.Secondly, crystalline lens box bottom 12 is placed on the crystalline lens box top 11, so that form a space 15 between crystalline lens box bottom 12 and crystalline lens box top 11.Space 15 has certain shape and size, so that the restriction ophthalmic inserts with the motion of crystalline lens in space 15.In addition, the shape of determining space 15 is not so that the opticator 21 that ophthalmic inserts with crystalline lens 20 contacts with the inner surface at crystalline lens box top 11 or the inner surface of crystalline lens box bottom 12, thereby the optical characteristics that prevents opticator 21 during the long term storage is owing to the power that is applied on the opticator 21 changes.
The diameter of the through hole 13 of crystalline lens box 10 reduces gradually to its top.Ophthalmic inserts and passes through hole 13 with crystalline lens 20 and push rod 33.After crystalline lens box 10 was connected to flush mounting 30, push rod 33 advanced by the operation of ejecting mechanism 34.As a result, the ophthalmic insertion in the crystalline lens box 10 is deformed to a less size gradually with crystalline lens 20 and moves on to and inserts in the tube 32.Then, after the top 32a that inserts tube 32 was inserted in the eye by formation otch thereon, push rod 33 was advanced further, so ophthalmic inserts with crystalline lens 20 and be deformed to a littler size by inserting tins 32, be pushed then pleasing to the eye in.
Therefore, crystalline lens box 10 provides the function of a part of flush mounting 30 when being connected to flush mounting 30.
Fig. 3 B and 3D represent that the diameter of the through hole 13 of crystalline lens box 10 reduces gradually to its top.That is to say, the trans D C in space 15 is reduced to the trans D D that a diameter of measuring with through hole 13 top ends is consistent, as shown in Fig. 3 B, wherein space 15 holds the ophthalmic insertion crystalline lens 20 on the crystalline lens box top 11 that is placed on crystalline lens box 10, as shown in Fig. 3 D.This structure makes the ophthalmic insertion become a deformation state with crystalline lens 20 from a non-deformation state, moves through through hole 13 by push rod 33 simultaneously.
On the top, through hole 13 has a vertical symmetric shape.In addition, form one, extend so that guide rail 16 inserts the direction that moves with crystalline lens 20 within the eye to the outstanding guide rail 16 in through hole 13 centers.This structure is inserted with crystalline lens 20 ophthalmic and is formed a kind of predetermined shape.
Fig. 4 is a front view, represents a kind of state, and wherein said crystalline lens box 10 inserts the flush mounting 30 that inserts among first embodiment of device with crystalline lens according to ophthalmic according to the present invention and separates with being used in.With the corresponding position of the height A of crystalline lens box 10,35 front side vertical wall forms groove 37 on the rear surface in the coupling part.The recessed function of groove 37 prevent the crystalline lens box 10 that connects and coupling part 35 do not expect separate.The projection 14 of crystalline lens box 10 and the conjugate foramen 36 of coupling part 35 have certain shape and size, and they guarantee to set up betwixt a cooperation, so the relative position between them can be fixed.These mechanisms guarantee that the crystalline lens box 10 shown in Fig. 2 A is connected to flush mounting 30.
Fig. 4 represents an example, and wherein crystalline lens box 10 is connected to flush mounting 30 from above.But, the invention is not restricted to the connection of this form, also can adopt the method for attachment of other form.In detail, carry the ophthalmic insertion and place on the table with a kind of state with the crystalline lens box 10 of crystalline lens 20, wherein the projection 14 at crystalline lens box top 11 is towards last; Flush mounting 30 is upside down on the crystalline lens box 10 so that cover it from above.
Because this ophthalmic inserts with crystalline lens insertion device and must be used in a kind of gnotobasis, so between the actual operating period of inserting device, an operator must wear glove and use this system, this has hindered accurate operation.Therefore, above-mentioned method of attachment is preferred, wherein realizes the connection of crystalline lens boxes 10 by mobile flush mounting 30, installs 30 bigger and be easier to hand than crystalline lens box 10.
Fig. 5 is a view, a kind of modification of first embodiment shown in presentation graphs 2A and the 2B.Replace being arranged on the conjugate foramen 36 on the coupling part 35, an engaging groove 38 is set.Engaging groove 38 extends on the direction perpendicular to push rod 33.Crystalline lens box 10 is connected to flush mounting 30 and fixing by a groove 39 from its side.Part except that above-mentioned part be marked by be used in Fig. 2 in the identical reference number of label, save being repeated in this description of they.
In this embodiment, also can use method of attachment among above-mentioned first embodiment.That is to say that crystalline lens box 10 is placed on the desk; Flush mounting 30 is upside down on the crystalline lens box 10 from above.This method of attachment has the effect identical with above-mentioned method of attachment.
Fig. 6 is a front view, and expression is used in a modification of the insertion tube 32 among first embodiment.
The ophthalmic that has shown a kind of design like this inserts and to insert device with crystalline lens, so as when the crystalline lens box 10 of a crystalline lens bag to be on being connected to flush mounting 30 part of functions of generator 30.In addition, in the above-described embodiments, crystalline lens box 10 and insertion tube 32 form and make ophthalmic insert the anamorphic attachment for cinemascope that is out of shape with crystalline lens 20.But, the invention is not restricted to this, and the structure of this system can be changed and has different shapes; For example a kind of structure wherein has only crystalline lens box 10 to be used to make ophthalmic to insert and is deformed to the small size that is suitable for embedding ophthalmic with crystalline lens 20, and the crystalline lens box 10 of so distortion is by inserting tube 32 and being embedded into ophthalmic; And a kind of structure, wherein anamorphic attachment for cinemascope is not arranged on the crystalline lens box 10, inserts on the tube 32 and be arranged on.
In the above-described embodiments, ophthalmic inserts the supporting part 22 that has dish type with crystalline lens 20, and extend its opposite end from opticator 21.
In this description, " ophthalmic inserts " center " with crystalline lens 20 and refers to center on the thickness direction on the optical axis that is positioned at opticator 21 term.
Below with reference to Fig. 7 A to Figure 13 second embodiment that ophthalmic according to the present invention inserts with crystalline lens insertion device is described.In this embodiment, flatly being stored in one inserts with crystalline lens 50 as the ophthalmic in the crystalline lens box 40 of a crystalline lens bag and to move between one first or spare space and one second or embedded location, wherein primary importance place ophthalmic insert with the lengthwise position at crystalline lens 50 centers not with the central axes of the push rod 33 of flush mounting 30, insert with the lengthwise position at crystalline lens 50 centers and the central axes of the push rod 33 of flush mounting 30 at second position place ophthalmic, so the ophthalmic insertion can be released by push rod 33 with crystalline lens 50.
Fig. 7 A is a front view of flush mounting 30, wherein crystalline lens box 40 has been connected to flush mounting 30 and ophthalmic and inserts with crystalline lens 50 and be positioned at first or the spare space, Fig. 7 B is a front view of flush mounting 30, and wherein ophthalmic inserts with crystalline lens 50 and is positioned at second or embedded location.
In first or spare space shown in Fig. 7 A, the lengthwise position at crystalline lens center not with central axes by the push rod 33 of the alternative dotted line L of length representative.When the propulsion element 43 at crystalline lens box top 41 when the below of Fig. 7 A promotes, ophthalmic inserts and to be moved down into second or embedded location shown in Fig. 7 B with crystalline lens 50, the lengthwise position of inserting usefulness crystalline lens 50 centers at this place's ophthalmic basically with the central axes of push rod 33.Second or embedded location in, the forward travel of the push rod 33 that the ejecting mechanism 34 of the rear end 31a by being arranged on tubular body 31 is realized, ophthalmic inserts with crystalline lens 50 and can be gone forward side by side into ophthalmic from the top 32a release of inserting tube 32.
Fig. 8 A to 8C is the view of a kind of state of expression, and wherein crystalline lens box 40 separates with flush mounting 30.In detail, Fig. 8 A is a front view of flush mounting 30, and Fig. 8 B is an amplification view of crystalline lens box 40, and Fig. 8 C is a profile along Fig. 8 B line 8C-8C.
Coupling part 35 is connected on the flush mounting 30 shown in Fig. 8 A in advance.Crystalline lens box 40 comprises a crystalline lens box top 41 and a crystalline lens box bottom 42, it has a kind of structure that crystalline lens 50 is used in the ophthalmic insertion with ring-shaped bearing part 52 that is suitable for supporting, and supporting part 52 is made by a kind of material that is different from opticator 51.In detail, crystalline lens box bottom 42 has bonding part 42b, and it has in vertical relatively upwardly extending angle is the inclined surface 42a of θ, inserts with the opticator 51 of crystalline lens 50 and the angle θ between the supporting part 52 to keep ophthalmic.Crystalline lens box top 41 has inclination at its bottom surface 41b surface cooperates with the inclined surface 42a with crystalline lens box bottom 42.After on crystalline lens 50 being placed on crystalline lens box bottom 42, crystalline lens box top 41 is placed on the crystalline lens box bottom 42, so the supporting part 52 of crystalline lens 50 is sandwiched between crystalline lens box bottom 42 and the crystalline lens box top 41.
As mentioned above, crystalline lens box top 41 is provided with propulsion element 43.Shown in Fig. 9 A and 9B, crystalline lens box bottom 42 has one to be positioned at hole 42c on its top surface and one and to be positioned near the opposing sidewalls 42d lower end projection 42e.Near projection 42e the engage step 38 with being formed on 35 side surface lower ends, coupling part flexibly engages.The longitudinal relative end of crystalline lens box bottom 42 is opened, and gives crystalline lens box bottom 42 1 squarish C shape cross sections.In addition, paired bonding part 42b is formed on the inner surface of sidewall 42d, to be positioned at the position near the center in vertical direction.Bonding part 42b is at longitudinal extension and be suitable for holding ophthalmic and insert with the opticator 51 of crystalline lens 50 and the peripheral part of supporting part 52.Shown in Fig. 8 C, each inclined surface 42a that all has a tiltangle is formed on the 42b of bonding part, so that keep ophthalmic to insert with the opticator 51 of crystalline lens 50 and the angle θ between the supporting part 52.
Be inserted into the element 41a that nips that the crystalline lens box top 41 among the top surface hole 42c of crystalline lens box bottom 42 has a hollow, it has an orthogonal shaped as frame shape, and above-mentioned propulsion element 43 is arranged among the element 41a that nips so that can move in vertical direction.The part that the bottom surface 41b of element 41a of nipping has an inclination is to contact with the inclined surface 42a of the bonding part 42b of crystalline lens box bottom 42.Upper and lower recess 41d and 41e are formed on each inner surface 41c of opposing sidewalls with predetermined space, so upper recess 41d toward each other, and lower concave part 41e toward each other.
Above-mentioned propulsion element 43 is inserted into the hole 41f of the element 41a that nips and is pressed downward, and moves to embedded location so that ophthalmic inserted with crystalline lens 50 from the spare space.Propulsion element 43 has the shank 43b of a large diameter head 43a and a prism-shaped.Projection 43c is formed near its periphery surface and its lower end, so that selectively engaged with upper recess 41d or the lower concave part 41e of the element 41a that nips.In detail, in the spare space, the projection 43c of propulsion element 43 cooperates with recess 41d, and when propulsion element 43 was pressed, projection 43c moved down and engages with recess 41e.A concave surface 43d is formed on the bottom surface of shank 43a, and is used to support the ridge 43f that ophthalmic inserts with crystalline lens 50 peripheral parts and is formed on concave surface 43d.
When ophthalmic inserts will move to second or embedded location shown in Figure 10 B from first or spare space shown in Figure 10 A with crystalline lens 50 time, the head 43a of the propulsion element 43 at crystalline lens box top 41 is pressed downward, therefore ophthalmic inserts a crystalline lens movable part 39 that moves to coupling part 35 with crystalline lens 50, and wherein ophthalmic inserts with crystalline lens 50 and bitten by the crystalline lens box of crystalline lens box 40 bottom 42 and crystalline lens box top 41.Crystalline lens movable part 39 has a kind of recessed curved surface groove shape.Therefore, the ophthalmic insertion engages with the reverse side of the hole raised edges 39b at the place, hole that is arranged on a curved recessed portion 39a with the peripheral part of crystalline lens 50.As the result of this motion, the upright position at crystalline lens 50 centers basically with the central axes of push rod 33.When push rod 33 advances, ophthalmic insert with crystalline lens 50 along and the vertical direction of Figure 10 B place page or leaf in the space 15 of crystalline lens movable part 39, move, through and the insertion tube 32 that is wholely set of coupling part 35, be pushed then pleasing to the eye in.Because when propulsion element 43 was pressed, projection 43c engaged with recess 41e, be prevented from presenting its original shape again with crystalline lens 50 so be moved to the ophthalmic insertion of crystalline lens movable part 39, and realized reliable location.
In addition, can check and allow that ophthalmic inserts between the crystalline lens movable part 39 of lower surface that whether space 15 of moving with crystalline lens 50 be formed on crystalline lens box top 41 and coupling part 35.In other words, the propulsion element 43 at crystalline lens box top 41 provides two functions; Promptly move down the function of crystalline lens 50 and form the function of crystalline lens mobile space 15 with coupling part 35.
As mentioned above, the crystalline lens box 40 of second embodiment provides the part of functions of flush mounting 30 on linking device 30 time, wherein crystalline lens box 40 comprises crystalline lens box bottom 42 and crystalline lens box top 41, and top 41 comprises nip element 41a and propulsion element 43.
In addition, this embodiment is characterised in that: be used to make ophthalmic to insert to be deformed to one with crystalline lens 50 that to reduce a part and the crystalline lens box 40 of anamorphic attachment for cinemascope of size integrally formed.
That is to say that when crystalline lens 50 moved to the crystalline lens movable part 39 of coupling part 35, this crystalline lens was deformed to one and reduces size.Reducing of this size by three design features realizations; Promptly form a kind of crystalline lens movable part 39 of curved surface flute profile formula, be moved the crystalline lens 50 of being pressed to crystalline lens movable part 39 by crystalline lens box top 41 simultaneously, and the size J of the crystalline lens movable part 39 littler than the size K of crystalline lens 50.
Figure 11 is the front view of a flush mounting, and expression is in a kind of remodeling of second embodiment shown in a kind of Fig. 7 A of state and the 7B, and crystalline lens box 40 separates with flush mounting 30 in this state.
In this remodeling, crystalline lens box 40 is connected to flush mounting in a kind of mode that is different from reference to Fig. 7 A and 7B institute describing mode, and wherein crystalline lens box 40 is connected to the coupling part 35 of flush mounting 30 from above.That is to say that when the crystalline lens box 40 that is in inversion state was placed on the crystalline lens box supporting member 60, flush mounting 30 was squeezed, and the coupling part 35 of flush mounting 30 is assembled to flexibly on the crystalline lens box bottom 42 of crystalline lens box 40.All the other structures are identical with above-mentioned second embodiment's.
Insert device between the operating period at this, an operator wears glove, this overslaugh accurate operation.Therefore, the connection of crystalline lens box 40 is best to be carried out with a kind of method, and wherein the operator is placed on crystalline lens box 40 on the supporting member, and flush mounting 30 is held in the hands, this device is bigger and be easy to hold than crystalline lens box 40, from top it is installed on the crystalline lens box 40 then.
Figure 12 represents and Figure 10 A and the corresponding profile of 10B, and the another kind of second embodiment shown in presentation graphs 7A and 7B remodeling, and wherein the crystalline lens box has the base portion of a change.
Have a hole 72a according to the crystalline lens box of a crystalline lens box 70 of the present invention bottom 72 at its top surface, and on of opposing sidewalls 72b, also have an engaging groove 72c.Engaging groove 72c runs through corresponding sidewall 72b on the direction that embeds direction perpendicular to crystalline lens, and crystalline lens box bottom 72 is inserted by engaging groove 72c in coupling part 35.When crystalline lens box bottom 72 was connected to coupling part 35, the relative localization between crystalline lens box bottom 72 and the coupling part 35 was realized by being formed on a raised edges 72d among the engaging groove 72c and the inner surface of sidewall 72b.
In addition, those skilled in the art finds that crystalline lens box 70 is easy to be connected to flush mounting 30 by another kind of method, one of them operator is put crystalline lens box 70 on the table, flush mounting 30 is held in the hands, and by engaging groove 72c is packed in the crystalline lens box 70 in coupling part 35.
Insert device between the operating period at this, an operator wears glove, and this has hindered accurate operation.Therefore, the connection of crystalline lens box 70 is best to be carried out with a kind of method, and wherein the operator is placed on crystalline lens box 70 on the supporting member, and flush mounting 30 is held in the hands, this device is bigger and be easy to hold than crystalline lens box 70, from the one side it is installed on the crystalline lens box 70 then.
All the other structures are identical with above-mentioned second embodiment's.When the ophthalmic insertion will be embedded in the eye with crystalline lens 50, the propulsion element 73 at crystalline lens box top 71 is pressed downward, thereby ophthalmic is inserted the crystalline lens movable part 39 of using crystalline lens 50 shift-in coupling parts 35, and ophthalmic inserts with crystalline lens 50 and is embedded into the eye from inserting a tube top by moving ahead of push rod 33 then.
Figure 13 is a plane graph, an expression improvement example of the insertion tube 32 of flush mounting 30 in a second embodiment.
In this modification, it is integrally formed with the coupling part 35 of flush mounting 30 to insert tube 32, so that the flute profile curved recessed portion 39a as the crystalline lens anamorphic attachment for cinemascope is formed on the bottom end side that inserts tube 32.
Obviously, can carry out multiple modification of the present invention and variation according to above-mentioned enlightenment.Therefore be appreciated that within the scope of the appended claims the present invention can have the multiple application except that top detailed description.
Claims (4)
1, a kind of ophthalmic that is used for inserts with lenticular insertion device, comprising:
Ophthalmic with deformable opticator is inserted with lenticular described opticator with the state that do not produce stress, store described lenticular crystalline lens bag in advance;
Flush mounting, this flush mounting have by the thin insertion tube of inner chamber front end described crystalline lens to be deformed into the ejecting mechanism that the shape that reduces size embeds ophthalmic;
It is characterized in that:
The installing mechanism of described crystalline lens bag is installed between the described ejecting mechanism of described flush mounting and described insertion tube;
This mounted crystalline lens bag plays a role as the part of the mechanism of described flush mounting.
2, the ophthalmic that is used for as claimed in claim 1 inserts with lenticular insertion device, it is characterized in that: wrap at described crystalline lens and be provided with the anamorphic attachment for cinemascope that the described crystalline lens of described ejecting mechanism promotion is diminished.
3, the ophthalmic that is used for as claimed in claim 1 inserts with lenticular insertion device, it is characterized in that: described installing mechanism makes described crystalline lens bag location with respect to described flush mounting, and the central axis that makes described lenticular center and constitute the push rod of described ejecting mechanism overlaps substantially.
4, ophthalmic as claimed in claim 1 inserts with lenticular insertion device, it is characterized in that: have a kind of like this mechanism: be installed under the state of flush mounting at described crystalline lens bag, when not using, the central axis that described ophthalmic inserts with the push rod of lenticular center and the described ejecting mechanism of formation does not overlap; And in use, then mobile crystalline lens overlaps the central axis of its center and push rod substantially.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001370979A CN100488472C (en) | 2000-12-29 | 2000-12-29 | Insert system for intraocular lenses |
| HK02108672.6A HK1047030A1 (en) | 2000-12-29 | 2002-11-29 | Insertion system for intraocular lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001370979A CN100488472C (en) | 2000-12-29 | 2000-12-29 | Insert system for intraocular lenses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1360882A CN1360882A (en) | 2002-07-31 |
| CN100488472C true CN100488472C (en) | 2009-05-20 |
Family
ID=4597654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001370979A Expired - Lifetime CN100488472C (en) | 2000-12-29 | 2000-12-29 | Insert system for intraocular lenses |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100488472C (en) |
| HK (1) | HK1047030A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4767671B2 (en) * | 2005-12-02 | 2011-09-07 | 株式会社ニデック | Intraocular lens insertion system |
| CN112515815B (en) * | 2019-09-17 | 2023-12-26 | 富螺(上海)医疗器械有限公司 | Intraocular lens injector and intraocular lens implantation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4681102A (en) * | 1985-09-11 | 1987-07-21 | Bartell Michael T | Apparatus and method for insertion of an intra-ocular lens |
| US5304182A (en) * | 1992-09-23 | 1994-04-19 | Kabi Pharmacia Ophthalmics, Inc. | Apparatus and method for curling and inserting flexible intraocular lenses |
| CN1185098A (en) * | 1995-05-24 | 1998-06-17 | 托马斯·J·钱伯斯 | Deformable intraocular lens injecting system and injection method thereof |
| CN1192887A (en) * | 1997-03-07 | 1998-09-16 | 佳能星股份有限公司 | Inserting implement of deformable intra-ocular insertion lens |
| CN1234732A (en) * | 1996-09-26 | 1999-11-10 | 博士伦外科公司 | Method and apparatus for inserting flexible membrane into eye |
-
2000
- 2000-12-29 CN CNB001370979A patent/CN100488472C/en not_active Expired - Lifetime
-
2002
- 2002-11-29 HK HK02108672.6A patent/HK1047030A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4681102A (en) * | 1985-09-11 | 1987-07-21 | Bartell Michael T | Apparatus and method for insertion of an intra-ocular lens |
| US5304182A (en) * | 1992-09-23 | 1994-04-19 | Kabi Pharmacia Ophthalmics, Inc. | Apparatus and method for curling and inserting flexible intraocular lenses |
| CN1185098A (en) * | 1995-05-24 | 1998-06-17 | 托马斯·J·钱伯斯 | Deformable intraocular lens injecting system and injection method thereof |
| CN1234732A (en) * | 1996-09-26 | 1999-11-10 | 博士伦外科公司 | Method and apparatus for inserting flexible membrane into eye |
| CN1192887A (en) * | 1997-03-07 | 1998-09-16 | 佳能星股份有限公司 | Inserting implement of deformable intra-ocular insertion lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1360882A (en) | 2002-07-31 |
| HK1047030A1 (en) | 2003-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100477976C (en) | Intra-ocular lens inserting device | |
| US6468282B2 (en) | Insertion system for intraocular lens | |
| CN1296023C (en) | Insert system for the crystalline lens in eyes | |
| US20010007942A1 (en) | Insertion system for intraocular lens | |
| CN1315443C (en) | Intra-ocular lens inserting device | |
| US6355046B2 (en) | Inserting device for deformable intraocular lens | |
| US7131976B2 (en) | Insertion device for intraocular lens | |
| JP4597957B2 (en) | Method and device for compressing an intraocular lens | |
| BRPI0800187B1 (en) | LENS DISTRIBUTION SYSTEM | |
| AU2007205776A1 (en) | Lens delivery system | |
| MXPA04002543A (en) | Lens delivery system. | |
| AU2001273683A1 (en) | Device for inserting an injectable bag intraocular lens within a human eye | |
| CA2360368A1 (en) | Open chamber, elliptical, accommodative intraocular lens system | |
| JP6027535B2 (en) | Intraocular lens insertion device | |
| CN100488472C (en) | Insert system for intraocular lenses | |
| EP0902667B1 (en) | Intraocular lens folder | |
| JP4520256B2 (en) | Intraocular lens insertion device | |
| WO2013038689A1 (en) | Intraocular lens insertion tool | |
| CN1203815C (en) | Insert system for intraocular lenses | |
| JP2003325568A (en) | System for inserting intraocular insertion lens | |
| KR102259590B1 (en) | Apparatus for fixing intraocular lens including supporting part in which suture thread is wound and provided to be slidable | |
| JP3779859B2 (en) | Intraocular lens insertion system | |
| CN208610048U (en) | Contact lens collector and storage assembly for storing | |
| CN218607034U (en) | Implantation device for cataract operation | |
| CN219126876U (en) | Preassembling device for intraocular lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1047030 Country of ref document: HK |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Chiba County, Japan Patentee after: Staar Japan Inc. Address before: Tokyo, Japan Patentee before: Staar Japan Inc. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090520 |