CN108670500A - Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou - Google Patents
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou Download PDFInfo
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- CN108670500A CN108670500A CN201810575714.3A CN201810575714A CN108670500A CN 108670500 A CN108670500 A CN 108670500A CN 201810575714 A CN201810575714 A CN 201810575714A CN 108670500 A CN108670500 A CN 108670500A
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- China
- Prior art keywords
- artificial lens
- bayonet
- button loop
- optical section
- nang kou
- Prior art date
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- 230000003287 optical effect Effects 0.000 claims abstract description 76
- 239000013078 crystal Substances 0.000 claims abstract description 55
- 239000002775 capsule Substances 0.000 claims description 42
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000002513 implantation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 206010063938 Posterior capsule rupture Diseases 0.000 claims description 6
- 206010011732 Cyst Diseases 0.000 claims description 4
- 208000031513 cyst Diseases 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 201000009310 astigmatism Diseases 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 2
- 208000002177 Cataract Diseases 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000001886 ciliary effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010063937 Capsular block syndrome Diseases 0.000 description 1
- 208000010412 Glaucoma Diseases 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 201000004614 iritis Diseases 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
Abstract
The present invention discloses a kind of preceding Nang Kou and type artificial lens is auxiliarily fixed, tool there are one circular optical section and for fix artificial lens be arranged optic periphery support button loop, the support button loop is the strip or band-like support button loop of two or more c-types or J-type, it is equipped with assistant fixing mechanism in support button loop root, for artificial lens to be auxiliarily fixed, support button loop root is the junction of support button loop and optical section.The stability that type artificial lens better ensures that optical section is auxiliarily fixed in the preceding Nang Kou, for various types artificial lens with or without angle, single focus or multifocal, astigmatism crystal and different materials of three-chip type or single piece type artificial lens, button loop portion and optics area, this design structure is applicable in for it.
Description
Technical field
The present invention relates to artificial lens technical fields, and in particular to type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou.
Background technology
Cataract is the highest blinding eye disease of incidence in world wide, and cataract phacoemulsification joint is artificial brilliant
Body implant surgery is the main means of current treatment cataract.Operation needs to remove a part of anterior lens capsule center about 5.5mm
(gimmick removes or femtosecond laser assisted resection, prepares Nang Kou before the circle of a diameter of 5.5mm), ultrasonic emulsification completely removes muddiness
Lenticular core block simultaneously absorbs lens cortex, while retaining complete Lens capsular, and artificial lens is implanted to crystal pouch later
It is interior and ensure that position is placed in the middle and stablizes.
The artificial lens structure of conventional design includes at present：Central portion plays the optical section of dioptric lens and branch is played on periphery
After being implanted into crystal pouch, there is the support portion support bag perimeter of certain elasticity in the button loop portion (being mostly both sides symmetric design) of support effect
Portion ensures the placed in the middle of optical section and stablizes.And the artificial lens for being implanted into conventional design in many cases, is difficult to ensure stabilization
Property, such as：Pouch is bigger than normal or relaxation, the preceding bigger than normal, posterior capsule rupture of capsule mouth etc..Especially posterior capsule rupture, it is cataract surgery
In common complication, after shortage the support of capsule can make the artificial lens loss of stability that pouch is implanted into, at this moment to change
Lens implantation position is implanted into the ciliary groove before pouch, and such artificial lens shelf-stability is poor, and especially one
Chip crystal, it is also possible to button loop portion and iris rear surface be caused to be in contact and lead to iritis and secondary glaucoma etc..In addition
Method is Nang Kou clampings before deviating from crystal optics portion, and button loop portion (is referred to as " artificial lens after remaining in interior/preceding capsule of pouch
Optical section reverse clamp "), the potential problems that can come to avoid ciliary groove implantation belt.But frequent occurrence prepared by preceding Nang Kou in performing the operation
It is bigger than normal or eccentric, it is mismatched with intraocular lens optic portion, the preceding Nang Kou of optical section can be caused to be clamped difficult, can not still ensure crystal
Stabilization and placed in the middle.
The artificial lens described in invention file (patent No. US8652206) is compared, purpose of design is reduced to realize
(one kind of glare, multidigit researcher confirm that optical section reverse clamp can be apparent for the generation of postoperative patients' " negative flash of light sense is abnormal "
Reduce its incidence), it is equipped with groove on the periphery in crystal optics portion, to catch preceding Nang Kou.But the crystal of this design is in reality
Its effect is difficult to realize during the use of border because preceding Nang Kou prepared by gimmick be often difficult to ensure be regular 5.5mm sizes simultaneously
Circular placed in the middle does not just realize that the groove of optic periphery catches preceding Nang Kou.And it can realize that precisely preceding Nang Kou is prepared winged
Because price is prohibitively expensive, clinic cannot popularize second laser assist techniques.In addition intraocular lens optic portion is in capsule mouth clip
After holding, pouch keep closed, intracapsular fluid retention, be easy to happen " capsular block syndrome " complication (pouch mouth is completely closed,
Fluid retention, crystal optics portion Forward, causes the series of problems such as myopia and intraocular hypertension).
Invention content
To solve the above problems, type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou of present invention design, in support button loop and optics
The junction setting assistant fixing mechanism in portion better ensures that the stability of optical section for artificial lens to be auxiliarily fixed.Its is right
In three-chip type or single piece type artificial lens, button loop portion and optics area with or without angle, single focus or multifocal, astigmatism crystal and not
For the various types artificial lens of material, this design structure is applicable in.
The technical solution adopted by the present invention is：
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou, and tool is there are one circular optical section and for fixed artificial brilliant
The support button loop in optic periphery is arranged in body, and the support button loop is strip or the band-like branch of two or more c-types or J-type
Support button loop is equipped with assistant fixing mechanism in support button loop root, and for artificial lens to be auxiliarily fixed, support button loop root is that support is fastened with a rope, string, etc.
With the junction of optical section.
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou, and the assistant fixing mechanism includes one or more cards
Mouthful, in artificial lens positive support button loop root, the opening direction of bayonet is described towards the outside of optical section for the bayonet setting
The outside of optical section is the side far from optical section；The bayonet is elastic bayonet lock, for fixing crystal pouch.
A kind of preceding Nang Kou is auxiliarily fixed type artificial lens, it is one with upper latch notch on support button loop root in one by one
Staged far from optical section is arranged.
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou, and the bayonet is petal type bayonet or U-shaped card mouth.
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou, and the front and back positioning hole penetrated through is additionally provided in support button loop root；
The position for being located proximate to assistant fixing mechanism of the positioning hole.
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou, and the artificial lens is single piece type artificial lens, in optics
The both sides in portion are symmetrical arranged two support buttons loop, one or more resilient petals formula bayonets are arranged in each support button loop root,
The bottom of each bayonet is equipped with the front and back positioning hole penetrated through；One above resilient petals formula bayonet is on support button loop root
In the staged arrangement one by one far from optical section.
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou, and the artificial lens is three-chip type artificial lens, in optics
The both sides in portion are symmetrical arranged two support buttons loop, one or more, which are arranged, in the junction of each support button loop and optical section is used for
The connecting bridge of elastic u-shaped bayonet is set, the front and back positioning penetrated through is equipped with positioned at the bottom of each U-shaped card mouth in connecting bridge
Hole, one end and the support button loop connection of the connecting bridge, the other end of connecting bridge are connect with optical section；The U-shaped card mouth has the
One side wall and second sidewall, the second sidewall are that integral type is connect with connecting bridge；More than one U-shaped card mouth is in corresponding connection
In the staged arrangement one by one far from optical section on bridge.
The method for implantation of type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou,
1) current capsule mouth size is 5.5mm~6mm, and it is placed in the middle when, to bag-fixated IOL, wait for that artificial lens is complete
After full expansion, it is inserted into positioning hole using crystal positioning hook and controls artificial lens displacement, the preceding edges Nang Kou are placed in support button loop root
Assistant fixing mechanism bayonet in, realize before Nang Kou be auxiliarily fixed；
2) current capsule mouth is bigger than normal, when being more than that crystal optics portion size is more than 6mm, to bag-fixated IOL, waits for
After artificial lens is fully deployed, using crystal positioning hook be inserted into positioning hole control artificial lens displacement, can according to the size of pouch,
The merging of the preceding edges Nang Kou is supported in button loop root assistant fixing mechanism in the opposite proximal end i.e. bayonet far from optical section, at this time preceding capsule
Mouthful stress is softened as fusiformis, and the preceding positions the Nang Kou constriction of radial direction vertical with support button loop is, it can be achieved that capsule mouth transverse diameter side before fusiformis
To cyst membrane covering crystal optics portion, prevent crystal tilting and ensure placed in the middle stablize.
The method for implantation of type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou,
When posterior capsule rupture complication occurs, if preceding Nang Kou is continuous annular, artificial lens is implanted into pouch
After i.e. preceding capsule, it is inserted into positioning hole using crystal positioning hook and controls artificial lens displacement, the preceding edges Nang Kou are placed in support button loop root
Clamping and support, the bayonet of proximal end or opposite proximal end are selected according to preceding capsule mouth size, by preceding capsule in the bayonet of assistant fixing mechanism
Mouth struts as fusiformis, and ensures the edges cover intraocular lens optic portion in capsule mouth transverse diameter direction before fusiformis, later by artificial lens
Nang Kou before optical section abjection completes intraocular lens optic portion reverse clamp；The bayonet of proximal end is the bayonet close to optical section, relatively
The bayonet of distal end is the bayonet far from optical section.
The invention has the advantages that：
A kind of preceding Nang Kou of the present invention is auxiliarily fixed type artificial lens and assistant fixing mechanism is arranged in the root that Crystal-support is fastened with a rope, string, etc.,
The assistant fixing mechanism includes 1 or two or more elastic bayonet locks；And accordingly it is equipped with 1 in the bottom of elastic bayonet lock
A or two or more front and back positioning holes penetrated through.Elastic bayonet lock is for the edges Nang Kou before being clamped and supporting to be auxiliarily fixed
Artificial lens, and preceding Nang Kou is strutted to the positions the Nang Kou constriction for making radial direction vertical with support button loop for fusiformis, the preceding edges Nang Kou are more preferable
Covering part crystal optics portion, avoid crystal optics portion that rotation position or loxosis occurs.In addition, in some cases, the preceding capsule of fusiformis
Mouth is realizes that " intraocular lens optic portion reverse clamp " offers convenience, to realize that negative dodge is fixed and reduced to more firm artificial lens
Light sensation is abnormal.Positioning hole is stretched into for hook of transposing, and to control crystal displacement, the front and back characteristic penetrated through can avoid " crystal light
Pouch after department of the Chinese Academy of Sciences's reverse clamp " is completely closed, and avoids intracapsular fluid retention, prevents the generation of capsular block complication.
In most cases, preceding capsule mouth size appropriateness (5.5mm) and it is placed in the middle when, bag-fixated IOL waits for it
After being fully deployed, crystal positioning hook (such as sinsky hooks) is inserted into positioning hole and controls crystal displacement, the preceding edges Nang Kou is placed in artificial
In the bayonet of Crystal-support button loop root, Nang Kou is auxiliarily fixed before realizing.For example, when being symmetrical arranged around intraocular lens optic portion
When two support buttons loop, the artificial lens of assistant fixing mechanism is equipped with regard to there are four fixed points：Two support button loop end support and
Preceding Nang Kou supports at two at bayonet, better ensure that the stability of optical section, the trouble of especially certain pouches relaxations/bigger than normal
When person, certain single piece type crystal or not good enough astigmatism type crystal button loop portion support force, the support fixation of preceding Nang Kou can effectively prevent crystal
Deviation or the generation for revolving position.
Bigger than normal in preceding capsule mouth, when being more than crystal optics portion size (be more than 6mm), light easily occurs for especially single piece type crystal
The department of the Chinese Academy of Sciences tilts, it is difficult to ensure the stabilization of crystal.It at this moment, can be according to the size of pouch, in aforementioned manners anterior lens capsule mouth edge
It is placed in the bayonet of button loop portion opposite proximal end, preceding capsule mouth stress is softened as fusiformis at this time, the capsule mouth position of radial direction vertical with button loop portion
Set constriction, it can be achieved that before fusiformis capsule mouth transverse diameter direction cyst membrane covering crystal optics area, prevent crystal tilting and ensure placed in the middle steady
It is fixed.
The more convenient intraocular lens optic portion reverse clamp for realizing preceding Nang Kou：When posterior capsule rupture complication occurs, such as
Nang Kou is continuous annular before fruit, and after the implantable artificial lens enters interior/preceding capsule of pouch, it is brilliant that positioning hook stretches into positioning hole control
Position moves, and is clamped in the flap valve bayonet for root that the preceding edges Nang Kou merging both sides crystal is fastened with a rope, string, etc. and support (is selected according to preceding capsule mouth size
Select the bayonet of proximal end or opposite proximal end), preceding Nang Kou is strutted as fusiformis, and ensure the edges cover in capsule mouth transverse diameter direction before fusiformis
Intraocular lens optic portion, Nang Kou before later can deviating from intraocular lens optic portion complete intraocular lens optic portion reverse clamp, protect
Demonstrate,prove crystalchecked.And before the Position Design of positioning hole can guarantee that positioning hole is located at behind the proximal end of elastic bayonet lock, optical section clamping
Within capsule mouth, the front and back characteristic penetrated through can avoid pouch be completely closed with intracapsular fluid retention, prevent capsular block complication
Generation.
It can reduce " negative astigmatism sense is abnormal "：Because being easier to realize " crystal optics portion reverse clamp ", art can be effectively reduced
The generation of patient's " negative astigmatism sense is abnormal " afterwards.
Description of the drawings
Fig. 1 is that type artificial lens-single piece type artificial lens front elevation is auxiliarily fixed in a kind of preceding Nang Kou of the present invention.
Fig. 2 is single piece type artificial lens side view shown in Fig. 1.
Fig. 3 is the enlarged drawing of support button loop root in single piece type artificial lens shown in Fig. 2.
Fig. 4 is that type artificial lens-three-chip type artificial lens solid signal (two cards are auxiliarily fixed in a kind of preceding Nang Kou of the present invention
Mouthful).
Fig. 5 is the enlarged drawing of support button loop root in three-chip type artificial lens shown in Fig. 4.
Fig. 6 is that type artificial lens-three-chip type artificial lens front elevation (three cards are auxiliarily fixed in a kind of preceding Nang Kou of the present invention
Mouthful).
Fig. 7 is the enlarged drawing of support button loop root in three-chip type artificial lens shown in Fig. 6.
Fig. 8 is auxiliarily fixed type artificial lens for a kind of preceding Nang Kou of the present invention and uses schematic diagram A.
Fig. 9 is auxiliarily fixed type artificial lens for a kind of preceding Nang Kou of the present invention and uses schematic diagram B.
Specific implementation mode
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou of embodiment 1
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou as shown in Figs. 1-3, is single piece type artificial lens, artificial lens tool
There is center to play the optical section 1 of dioptric lens and be symmetrical arranged in two band-like support buttons loop 2 of J-type in 1 both sides of optical section.
Each support button loop root (i.e. the junction of support button loop 2 and optical section 1) is equipped with assistant fixing mechanism, artificial for being auxiliarily fixed
Crystal, the assistant fixing mechanism include two bayonets 3, and the bayonet 3 is the petal type bayonet of elasticity, for fixing lens caples
Bag.The setting of bayonet 3 as shown in Figures 2 and 3 is in artificial lens positive support button loop root, and the opening direction of bayonet 3 is towards optical section 1
Outside, the outside of the optical section 1 is the side far from optical section 1；Bayonet 3 on two support button loop roots is in symmetrically to set
It sets.Two bayonets 3 are arranged on support button loop root in the staged one by one far from optical section 1, i.e., equal in each support button loop root
There are one the bayonet 3 of the proximal end close from optical section 1 and the bayonets 3 of a distal end for being relatively distant from optical section 1 for tool.Such as Fig. 1 institutes
Show, the bottom of each bayonet 3 is equipped with the front and back positioning hole 4 penetrated through.
The method for implantation of type artificial lens is auxiliarily fixed in a kind of above-mentioned preceding Nang Kou：
1) in most cases, current capsule mouth size appropriateness (for 5.5mm), and it is placed in the middle when, be implanted into pouch above-mentioned
Single piece type artificial lens is inserted into positioning hole using crystal positioning hook (such as sinsky hooks) and controls after artificial lens is fully deployed
The preceding edges Nang Kou are placed in the bayonet of support button loop root by artificial lens displacement, and Nang Kou is auxiliarily fixed before realizing；This is artificial at this time
Just there are four fixed points for crystal：Preceding Nang Kou supports at the end support and two of two support buttons loop 2 at bayonet 3, better ensure that
The patient of the stability of optical section 1, especially certain pouches relaxation/bigger than normal, certain single piece type crystal or astigmatism type crystal button loop portion
When support force is not good enough, crystal deviation can be effectively prevent to the support fixation of preceding Nang Kou or revolve the generation of position by increasing bayonet 3.
2) current capsule mouth is bigger than normal, and when being more than that 1 size of crystal optics portion is more than 6mm, above-mentioned single piece type is implanted into pouch
Artificial lens is inserted into positioning hole 4 using crystal positioning hook and controls artificial lens displacement after artificial lens is fully deployed, can root
According to the size of pouch, it is far from optical section 1 that the preceding edges Nang Kou, which are placed in opposite proximal end in support button loop root assistant fixing mechanism,
In bayonet 3, at this time before capsule mouth stress be softened as fusiformis, with the preceding positions the Nang Kou constriction of support 2 vertical radial directions of button loop, it can be achieved that
The cyst membrane covering crystal optics portion 1 in capsule mouth transverse diameter direction, prevents crystal tilting and ensures placed in the middle stablize before fusiformis.
The method for implantation (reverse clamp) of type artificial lens is auxiliarily fixed in a kind of above-mentioned preceding Nang Kou：
As shown in FIG. 8 and 9 when posterior capsule rupture complication occurs, if preceding Nang Kou is continuous annular, by above-mentioned one
Chip artificial lens is implanted into pouch/preceding capsule after, be inserted into positioning hole 4 using crystal positioning hook and control artificial lens displacement, will before
Clamping and support in the bayonet 3 of the edges Nang Kou merging support button loop root assistant fixing mechanism, proximal end is selected according to preceding capsule mouth size
Or the bayonet 3 of opposite proximal end, preceding Nang Kou is strutted as fusiformis, and ensure that the edges cover in capsule mouth transverse diameter direction before fusiformis is manually brilliant
Preceding Nang Kou is deviate from by optic 1 later in intraocular lens optic portion 1, completes 1 reverse clamp of intraocular lens optic portion, is ensured brilliant
Body is stablized.The bayonet 3 of proximal end is the bayonet 3 close to optical section 1, and the bayonet 3 of opposite proximal end is the bayonet 3 far from optical section 1.It adjusts
For the Position Design in position hole 4 in the proximal end of bayonet 3, optical section 1 can guarantee that positioning hole 4 is located within preceding capsule mouth after being clamped, before and after
The characteristic of perforation can avoid pouch be completely closed with intracapsular fluid retention, prevent the generation of capsular block complication.As shown in Figure 8
For preceding capsule mouth 5.5mm when single piece type crystal use schematic diagram, crystal is implanted into pouch, on preceding capsule peristoma merging support button loop root
The bayonet 3 of proximal end, preceding Nang Kou are in fusiformis, realize 1 reverse clamp of optical section.Before being illustrated in figure 9 when capsule mouth 6.5mm, single piece type
Extraction uses schematic diagram, is implanted into crystal in pouch, preceding capsule peristoma merging supports the bayonet 3 of opposite proximal end on button loop root, preceding capsule
Mouth is in fusiformis, realizes 1 reverse clamp of optical section.
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou of embodiment 2
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou as illustrated in figures 4-5, is three-chip type artificial lens, there are one round for tool
Optical section 1 and for fix artificial lens the symmetrically arranged two c-type strips in 1 periphery of optical section support fasten with a rope, string, etc. 2,
Each support button loop root is equipped with assistant fixing mechanism, and for artificial lens to be auxiliarily fixed, support button loop root is support button loop 2
With the junction of optical section 1.Two bayonets 3 that assistant fixing mechanism as illustrated in figures 4-5 includes.The bayonet 3 is elastic u-shaped
Bayonet, two bayonets 3 are on artificial lens positive support button loop root in the staged arrangement one by one far from optical section 1, bayonet 3
Opening direction towards the outside of optical section 1, the outside of the optical section 1 is the side far from optical section 1.Exist as shown in Figure 5
Two connecting bridges 5 for elastic u-shaped bayonet 3 to be arranged are arranged in the junction of each support button loop 2 and optical section 1, in connecting bridge 5
It is equipped with the front and back positioning hole 4 penetrated through positioned at the bottom of each U-shaped card mouth, one end of the connecting bridge 5 is connect with support button loop 2,
The other end of connecting bridge 5 is connect with optical section 1；The U-shaped card mouth have the first side wall and second sidewall, the second sidewall with
Connecting bridge 5 connects for integral type；Two U-shaped card mouths are in corresponding connecting bridge 5 in the staged row one by one far from optical section 1
Cloth.
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou of embodiment 3
Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou as shown in fig. 6-7, is three-chip type artificial lens, there are one round for tool
Optical section 1 and for fix artificial lens the symmetrically arranged two c-type strips in 1 periphery of optical section support fasten with a rope, string, etc. 2,
Each support button loop root is equipped with assistant fixing mechanism, and for artificial lens to be auxiliarily fixed, support button loop root is support button loop 2
With the junction of optical section 1.Three bayonets 3 that the assistant fixing mechanism as shown in fig. 6-7 includes.The bayonet 3 is elasticity U
Type bayonet, three bayonets 3 are on artificial lens positive support button loop root in the staged arrangement one by one far from optical section 1, card
For the opening direction of mouth towards the outside of optical section 1, the outside of the optical section 1 is the side far from optical section 1.As shown in Figure 7
Three connecting bridges 5 for elastic u-shaped bayonet to be arranged are set in the junction of each support button loop 2 and optical section 1, in connecting bridge 5
The upper bottom positioned at each U-shaped card mouth is equipped with the front and back positioning hole 4 penetrated through, and one end and the support button loop 2 of the connecting bridge 5 connect
It connects, the other end of connecting bridge 5 is connect with optical section 1；The U-shaped card mouth has the first side wall and second sidewall, the second side
Wall is that integral type is connect with connecting bridge 5；Three U-shaped card mouths are in corresponding connecting bridge 5 in the staged one by one far from optical section 1
Arrangement.
Claims (9)
1. type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou, tool is there are one circular optical section and for fixing artificial lens
Support button loop in optic periphery is set, and the support button loop is strip or the band-like support of two or more c-types or J-type
Button loop, which is characterized in that assistant fixing mechanism is equipped in support button loop root, for artificial lens, the support button loop root to be auxiliarily fixed
Portion is the junction of support button loop and optical section.
2. type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou as described in claim 1, which is characterized in that the assistant fixing mechanism
Including one or more bayonets, the bayonet setting is in artificial lens positive support button loop root, the opening direction of bayonet
Towards the outside of optical section, the outside of the optical section is the side far from optical section；The bayonet is elastic bayonet lock, for solid
Determine crystal pouch.
3. type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou as claimed in claim 2, which is characterized in that one with upper latch notch
In the staged arrangement one by one far from optical section on support button loop root.
4. type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou as claimed in claim 2, which is characterized in that the bayonet is petal type
Bayonet or U-shaped card mouth.
5. type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou as described in claim any one of 1-4, which is characterized in that fasten with a rope, string, etc. in support
Root is additionally provided with the front and back positioning hole penetrated through；The position for being located proximate to assistant fixing mechanism of the positioning hole.
6. type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou as claimed in claim 2, which is characterized in that the artificial lens is one
Chip artificial lens, two support buttons loop are symmetrical arranged in the both sides of optical section, are arranged one or one in each support button loop root
The bottom of the above resilient petals formula bayonet, each bayonet is equipped with the front and back positioning hole penetrated through；One above resilient petals
Formula bayonet is on support button loop root in the staged arrangement one by one far from optical section.
7. type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou as claimed in claim 2, which is characterized in that the artificial lens is three
Chip artificial lens is symmetrical arranged two support buttons loop in the both sides of optical section, is set in the junction of each support button loop and optical section
One or more connecting bridges for elastic u-shaped bayonet to be arranged are set, the bottom positioned at each U-shaped card mouth in connecting bridge is equal
Positioning hole equipped with front and back perforation, one end and the support button loop connection of the connecting bridge, the other end of connecting bridge are connect with optical section；
It is that integral type is connect with connecting bridge that the U-shaped card mouth, which has the first side wall and second sidewall, the second sidewall,；More than one U
Type bayonet is in corresponding connecting bridge in the staged arrangement one by one far from optical section.
8. the method for implantation of type artificial lens is auxiliarily fixed in a kind of Nang Kou preceding as described in claim 1-7, which is characterized in that
1) current capsule mouth size is 5.5mm~6mm, and it is placed in the middle when, to bag-fixated IOL, wait for that artificial lens is opened up completely
After opening, it is inserted into positioning hole using crystal positioning hook and controls artificial lens displacement, the preceding edges Nang Kou are placed in the auxiliary of support button loop root
It helps in the bayonet of fixed mechanism, Nang Kou is auxiliarily fixed before realizing；
2) current capsule mouth is bigger than normal, when being more than that crystal optics portion size is more than 6mm, to bag-fixated IOL, waits for artificial
After crystal is fully deployed, it is inserted into positioning hole using crystal positioning hook and controls artificial lens displacement, it can be according to the size of pouch, before
The edges Nang Kou merging support button loop root assistant fixing mechanism in opposite proximal end be far from optical section bayonet in, at this time before Nang Kou by
Power is softened as fusiformis, and the preceding positions the Nang Kou constriction of radial direction vertical with support button loop is, it can be achieved that capsule mouth transverse diameter direction before fusiformis
Cyst membrane covers crystal optics portion, prevents crystal tilting and ensures placed in the middle stablize.
9. the method for implantation of type artificial lens is auxiliarily fixed in a kind of Nang Kou preceding as described in claim 1-7, which is characterized in that
When posterior capsule rupture complication occurs, if preceding Nang Kou is continuous annular, before artificial lens is implanted into pouch i.e.
It after capsule, is inserted into positioning hole using crystal positioning hook and controls artificial lens displacement, the preceding edges Nang Kou are placed in support button loop root auxiliary
Clamping and support, the bayonet of proximal end or opposite proximal end is selected according to preceding capsule mouth size, preceding Nang Kou is supportted in the bayonet of fixed mechanism
It opens as fusiformis, and ensures the edges cover intraocular lens optic portion in capsule mouth transverse diameter direction before fusiformis, later by intraocular lens optic
Nang Kou before portion's abjection completes intraocular lens optic portion reverse clamp；The bayonet of proximal end is the bayonet close to optical section, opposite proximal end
Bayonet be far from optical section bayonet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575714.3A CN108670500A (en) | 2018-06-06 | 2018-06-06 | Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575714.3A CN108670500A (en) | 2018-06-06 | 2018-06-06 | Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou |
Publications (1)
| Publication Number | Publication Date |
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| CN108670500A true CN108670500A (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810575714.3A Withdrawn CN108670500A (en) | 2018-06-06 | 2018-06-06 | Type artificial lens is auxiliarily fixed in a kind of preceding Nang Kou |
Country Status (1)
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| CN (1) | CN108670500A (en) |
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| CN110151358A (en) * | 2019-06-19 | 2019-08-23 | 沈阳眼产业技术研究院有限公司 | A kind of double optics portion artificial lens external member and its application |
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Application publication date: 20181019 |