CN209347405U - A kind of lens capsule bag tension link - Google Patents
A kind of lens capsule bag tension link Download PDFInfo
- Publication number
- CN209347405U CN209347405U CN201821640327.5U CN201821640327U CN209347405U CN 209347405 U CN209347405 U CN 209347405U CN 201821640327 U CN201821640327 U CN 201821640327U CN 209347405 U CN209347405 U CN 209347405U
- Authority
- CN
- China
- Prior art keywords
- ring body
- cortex
- capsule bag
- lens capsule
- tension link
- 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 - Fee Related
Links
- 239000002775 capsule Substances 0.000 title claims abstract description 38
- 210000003786 sclera Anatomy 0.000 claims abstract description 38
- 230000001886 ciliary effect Effects 0.000 claims abstract description 10
- 210000001508 eye Anatomy 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 2
- 201000000245 lens subluxation Diseases 0.000 abstract description 7
- 206010024203 Lens dislocation Diseases 0.000 abstract description 6
- 238000001356 surgical procedure Methods 0.000 abstract description 6
- 239000013078 crystal Substances 0.000 abstract description 4
- 230000002146 bilateral effect Effects 0.000 abstract description 3
- 210000000695 crystalline len Anatomy 0.000 description 37
- 238000002513 implantation Methods 0.000 description 6
- 208000002177 Cataract Diseases 0.000 description 5
- 230000002980 postoperative effect Effects 0.000 description 4
- 238000004945 emulsification Methods 0.000 description 3
- 206010036346 Posterior capsule opacification Diseases 0.000 description 2
- 208000035965 Postoperative Complications Diseases 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010007766 Cataract traumatic Diseases 0.000 description 1
- 208000006597 Choroid Hemorrhage Diseases 0.000 description 1
- 208000024304 Choroidal Effusions Diseases 0.000 description 1
- 206010008783 Choroidal detachment Diseases 0.000 description 1
- 206010008786 Choroidal haemorrhage Diseases 0.000 description 1
- 208000001826 Marfan syndrome Diseases 0.000 description 1
- 206010058046 Post procedural complication Diseases 0.000 description 1
- 206010046851 Uveitis Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 210000002159 anterior chamber Anatomy 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000002919 epithelial cell Anatomy 0.000 description 1
- 230000008556 epithelial cell proliferation Effects 0.000 description 1
- 230000004402 high myopia Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 210000001542 lens epithelial cell Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000000158 ommatidium Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000004382 visual function Effects 0.000 description 1
Landscapes
- Prostheses (AREA)
Abstract
The utility model provides a kind of lens capsule bag tension link, belongs to medical instruments field.The lens capsule bag tension link includes ring body, and the ring body is C-shaped configuration；It is equipped at least one cortex in the ring body, slot is sucked out；Slot, which is sucked out, in each cortex is center of circle protrusion from from a part of ring body to ring body and is formed.The utility model can be sucked out slot using cortex aspirate remaining cortex of lens during surgery with can be convenient while supporting pouch tension；In the patient of a wide range of lens-dislocation, by sclera stay hook can take suture it is fixed in the way of ring unilateral or bilateral is fixed on ciliary groove, increase the stability of pouch, make it possible a phase implantable artificial crystal, a possibility that improving success rate of operation, reducing secondary and Repeated Operation.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of lens capsule bag tension link is used for cataract surgery
In intraocular fixation.
Background technique
Lens capsule bag tension link is that one kind is used for marfan's syndrome, traumatic cataract etc. with lens-dislocation, is lost
Remove the surgical instrument of the complicated type cataract of the support of suspensorium.It loses pouch stability and thereby results in operating difficulty increasing,
It is also possible to lead to the expansion of apparatus suspensorius lentis detachment range and Prevention and treatment, lens-dislocation was once listed in cataract operation taboo
Avoid, previous operation method mostly uses intracapsular excision joint II phase anterior chamber intraocular lens implantation, artificial lens row sclera solid
Fixed or extracapsular cataract extraction joint ciliary groove intraocular lens implantation or lens extraction joint suspention lens implantation.Due to operation
Time is long, and notch is big, and postoperative complication is more, such as artificial lens inclination and bias, detachment of retina, choroidal detachment, fulminant
Choroidal hemorrhage, corneal astigmatism etc..The capsular tension ring of annular opening can maintain lens capsule bag circular contour, prevent people at present
Work crystal is eccentric, inhibit lens epithelial cell proliferation and migrate, reduce the generation of After Cataract, increases cataract surpasses
Sound emulsification extract and back room artificial lens implantation safety, be surgery implant crucial in surgery for lens subluxation it
One, capsular tension ring can after continuous curvilinear capsulotomy, after ultrasonic emulsification, each period implantation after suction cortex, current big multiselect
It selects and is implanted into immediately after continuous curvilinear capsulotomy, to provide the support to lens capsule bag, utmostly retain Lens capsular barrier and make
With maintaining stable operative space, reduce various postoperative complications.However, after being implanted into such capsular tension ring, it is smooth
Cortex of lens is also firmly pressed against under ring by cyclic structure while supporting pouch, the crystalline lens skin for causing suction remaining
Matter is extremely difficult, and remaining cortex of lens is easy to cause the hair of postoperative long-term chronic uveitis, After Cataract
It is raw, the recovery of the postoperative visual function of patient is influenced, and cause malaise symptoms.
In addition, when apparatus suspensorius lentis damages 90 ° -180 ° or bigger, pouch position and stability decline, common
Lens capsule bag tension link support force is insufficient and can not be implanted into, and the patient for causing this part severe lens to be dislocated may need row two
Phase implantable artificial crystal or Repeated Operation.Therefore, to solve the above problems, that invents a kind of improvement facilitates suction crystalline lens skin
Matter, and the lens capsule bag tension link with sclera suture fixed function then becomes very necessary.
Utility model content
Utility model aims to solve above-mentioned problems existing in the prior art, provide a kind of lens capsule bag
Power ring is not only able to facilitate and aspirates cortex of lens in art, and has sclera suture fixed function.
The utility model is achieved through the following technical solutions:
A kind of lens capsule bag tension link, the lens capsule bag tension link includes ring body, and the ring body is C shape structure；
It is equipped at least one cortex in the ring body, slot is sucked out；
Slot, which is sucked out, in each cortex is center of circle protrusion from from a part of ring body to ring body and is formed.
Preferably, it is equipped with 4-8 cortex in the ring body, slot is sucked out, it is uniformly distributed in ring body that slot is sucked out in all cortex；
The ring body that slot is sucked out equipped with multiple cortex is in lacery.
The edge of slot is sucked out as flat arc or the rectangle of opening in each cortex.
It is 2mm that the width of slot circumferentially, which is sucked out, in each cortex, and the height to the highest point of center of circle protrusion is 1mm.
The shape of the cross section of the ring body is rectangle, and the length is 0.2-0.6mm, width 0.15-0.2mm；
The length direction of the cross section of the ring body be it is vertical with the plane where ring body, width direction is and ring body institute
Plane it is parallel；
The deflection angle of the smooth outer surface of the ring body, each face is rectangular, and polishes smooth.
Location hole is respectively equipped at the both ends of the opening of the ring body.
The distance between center of circle of two location holes is 6mm；
When two location holes are gradually drawn close when contact, the diameter of the ring body gradually becomes 10mm from 13mm.
Preferably, at least one sclera stay hook is connected in the ring body；
The sclera stay hook includes the connecting rod being connected and hook body structure；
The bottom end of the connecting rod is fixedly connected with ring body, and the connecting rod is tilted to the center of circle of ring body, the connecting rod
Top in the plane where ring body projection be located at ring body inside, the connecting rod forms sharp with the plane where ring body
Angle；
The top of the connecting rod and one end of hook body structure connect, and the other end of hook body structure is free end；
The outer lateral bend that the free end of the hook body structure is open to the preceding capsule of eyes, and it is directed toward ciliary groove；
Sclera fixation hole is provided in the free end of the hook body structure.
Preferably, the length of the connecting rod is 0.2mm；
The hook body structure is in 3/4 circular configuration, circular in cross-section, diameter 2mm；
Plane where the hook body structure is parallel with the plane where ring body；
Preferably, there are two sclera stay hooks for connection in the ring body；
Two hook body structures are located in the same plane；
The bottom end of the connecting rod of two sclera stay hooks is located at the same of ring body diametrically, and two sclera fixation holes are in institute
State ring body in the plane projection be located at ring body same diametrically；
The direction of free end of each sclera stay hook from the top of connecting rod to hook body structure is counterclockwise.
Compared with prior art, the utility model has the beneficial effects that the utility model can be in support pouch tension
Meanwhile slot is sucked out using cortex aspirates remaining cortex of lens during surgery with can be convenient；In a wide range of lens-dislocation
Patient in, by sclera stay hook can take suture it is fixed in the way of ring unilateral or bilateral is fixed on ciliary groove, increase
The stability of pouch, makes it possible a phase implantable artificial crystal, improves success rate of operation, reduce it is secondary and Repeated Operation can
It can property.
Detailed description of the invention
The top view of Fig. 1 the utility model lens capsule bag tension link；
The side view of Fig. 2 the utility model lens capsule bag tension link.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, the utility model lens capsule bag tension link includes: ring body 5, the ring body 5 is C shape structure,
Its both ends being open is respectively equipped with location hole 1, holds for being implanted into tweezer, i.e., location hole 1 is taken using implantation tweezer in operation, from angle
The main notch of film enters, and ring body 5 is implanted into lens capsule bag.Since the C-shaped non-closed annular of ring body 5 designs, when patient is youngster
Virgin or lentiglobus, pouch diameter are smaller；Or high myopia, when pouch is relatively large in diameter, this non-closed ring of C-shaped
Shape has resiliency compressible ability, the patient of different pouch diameters (10-13mm) can be suitble to use to a certain extent.
The cortex is sucked out slot 2 and is formed from the edge of ring body to its center of circle protrusion, and the ring body 5 of slot 2 is sucked out equipped with cortex
In lacery structure.The cortex be sucked out slot 2 edge be flat arc ") " or opening rectangle "] ", there are suctions
The space of cortex.
Preferably, it is 4 to 8 that the number of slot 2, which is sucked out, in the cortex, and it is uniformly distributed in ring body 5 that slot is sucked out in all cortex.Fig. 1
In include that slots 2 are sucked out in 5 cortex.It is furthermore preferred that being equipped with 6 cortex in the ring body 5 is sucked out slot, two neighboring cortex is sucked out
Slot is circumferentially separated by 3mm, and it is 2mm wide that the width of slot 2 circumferentially, which is sucked out, in each cortex, and protruding into the intracorporal height of ring is 1mm,
Facilitate the cortex that each site is sucked out, the cortex being sucked out below slot for not being located at cortex can be by gently moving lens capsule
Bag tension link, makes compression cortex be located at the lower section that slot is sucked out in cortex again, continues suction completely,
When the ring body 5 is C-shaped configuration, approximately round, a diameter of 13mm, ring body 5 when location hole is in contact
Annulus is formed, the diameter of annulus is 10mm, therefore ring body 5 is suitble to 10-13mm pouch diameter.
The shape approximation rectangle of the cross section of the ring body 5, high 0.2-0.6mm, width 0.15-0.2mm.
The distance between center of circle of two location holes 1 of opening is 6mm.
In order to increase the stability of capsular tension ring, the utility model is connected at least one sclera in ring body 5 and fixes
Hook；
The sclera stay hook includes the connecting rod 6 being connected and hook body structure 3, the bottom end of the connecting rod 6 and ring
Body 5 is fixedly connected, and the connecting rod 6 is tilted to the center of circle of ring body, i.e., from two side of the equator of ring body 5 to the center position of ring body 5
It stretches out, projection of the top of the connecting rod 6 in the plane where ring body 5 is located at the inside of ring body 5；As shown in Fig. 2, described
Plane angulation where connecting rod 6 and ring body 5 is acute angle, and the top of the connecting rod 6 and one end of hook body structure 3 connect
Connect, the other end of hook body structure 3 is free end, due to connecting rod 6 be it is inclined to ring center position, so hook connected to it
Body structure 3 can be open from the preceding capsule of eyes stretches out.
The length of the connecting rod 6 is 0.2mm.The hook body structure 3 be in 3/4 circular configuration, circular in cross-section, directly
Diameter is 2mm, the outer lateral bend of edge capsule opening forward, and is directed toward ciliary groove.Plane where 3/4 circular configuration with
Plane where the ring body is parallel.
It is provided with sclera fixation hole 4 in the free end of the hook body structure 3, the sclera fixation hole 4 leads to for penetrating suture
It crosses suture and sclera stay hook is fixed on ciliary groove.1-2 sclera stay hook is connected in ring body 5.For severe crystalline substance
The sclera stay hook of side, is sewn to the area of suspensorium weak by patient's (lens-dislocation is more than 180 °) of shape body dislocation
Domain, the other end can be supported by the suspensorium of health as opposite side, if opposite side suspensorium strength is also inadequate, it is contemplated that suture two
A sclera stay hook makes pouch balance in power in ciliary groove, one line of two o'clock, and artificial lens ability position is stablized.
If in the connection of ring body 5, there are two sclera stay hooks, are respectively equipped with sclera fixation hole on two sclera stay hooks
4.Two hook body structures 3 are located in the same plane, and the plane is parallel with the plane where the ring body 5, and two scleras are solid
The bottom end for determining the connecting rod 6 of hook is located at the same of ring body 5 diametrically, and two sclera fixation holes 4 are in the 5 place plane of ring body
Projection be located at the same of ring body diametrically, and two sclera stay hooks are from the top of connecting rod to the free end of hook body structure
Direction be counterclockwise, the tension direction of two such sclera stay hook is symmetrical, can preferably fix ring body.
One embodiment of the utility model is as follows:
The material of lens capsule bag tension link uses PMMA, and the diameter of ring is 13mm when opening, when being compressed into circular appearance
Ring diameter is 10mm.The long 6mm of opening port in ring body 5, respectively buckling is planted at a cyclic annular ommatidium, i.e. location hole 1 with facilitating at both ends
Fashionable instrument is caught and is operated at this.The cross section of existing tension link is circular design, and the ring body 5 of the utility model
Cross sectional shape approximation rectangle, high 0.4mm, width 0.15-0.2mm, rectangle design are the designs of right angle side side, can be with capsule
Bag formation is closely adhered, and the epithelial cell for avoiding postoperative equator of lens is creeped to Lens capsular, and it is white interior to reduce late coming
The incidence of barrier.The surface of ring body is smooth through polishing, the rectangular square side of the deflection angle in each face of rectangle.On sclera stay hook
Sclera fixation hole is fixed entire lens capsule bag tension link with facilitating suture that ring is fixed on ciliary groove.
The working principle of the utility model is as follows:
After lens capsule bag tension link is put into pouch during surgery, entire pouch is strutted.Slot is sucked out in the cortex of ring body
Cortex is sucked convenient for the note suction spindle head of ultrasonic emulsification in part, it is completely sucked out.Avoid current clinically annular design
Cortex is securely pressed under ring by capsular tension ring, and cortex absorbs abnormal difficult defect.For the trouble of a wide range of lens-dislocation
Person, the mode for taking suture fixed is using the sclera stay hook of unilateral sclera stay hook or bilateral by the unilateral side of ring body or double
Ciliary groove is fixed in side, increases the stability of entire pouch, is implanted in optimal physiological location: capsule conducive to by artificial lens
In bag, it ensure that physiological anatomic architecture and optimal dioptric node that eye front and back section separates, reduce Prevention and treatment, artificial crystalline substance
The complication such as body dislocation, inclination, it is ensured that the postoperative optimal visual quality of patient.
Above-mentioned technical proposal is a kind of embodiment of the utility model, for those skilled in the art,
On the basis of the utility model discloses principle, it is easy to make various types of improvement or deformation, be not limited solely to this reality
The structure described in novel above-mentioned specific embodiment, thus it is previously described only preferred, and it is not restrictive
Meaning.
Claims (10)
1. a kind of lens capsule bag tension link, it is characterised in that: the lens capsule bag tension link includes ring body, and the ring body is
C-shaped configuration；
It is equipped at least one cortex in the ring body, slot is sucked out；
Slot, which is sucked out, in each cortex is center of circle protrusion from from a part of ring body to ring body and is formed.
2. lens capsule bag tension link according to claim 1, it is characterised in that: be equipped with 4-8 skin in the ring body
Slot is sucked out in matter, and it is uniformly distributed in ring body that slot is sucked out in all cortex；
The ring body that slot is sucked out equipped with multiple cortex is in lacery.
3. lens capsule bag tension link according to claim 2, it is characterised in that: the edge of slot is sucked out in each cortex
For flat arc or the rectangle of opening.
4. lens capsule bag tension link according to claim 3, it is characterised in that: slot is sucked out circumferentially in each cortex
Width is 2mm, and the height to the highest point of center of circle protrusion is 1mm.
5. lens capsule bag tension link according to claim 1, it is characterised in that: the shape of the cross section of the ring body is
Rectangle, the length is 0.2-0.6mm, width 0.15-0.2mm；
The length direction of the cross section of the ring body be it is vertical with the plane where ring body, width direction be with where ring body
Plane is parallel；
The deflection angle of the smooth outer surface of the ring body, each face is rectangular, and polishes smooth.
6. lens capsule bag tension link according to claim 1, it is characterised in that: at the both ends point of the opening of the ring body
It She You not location hole.
7. lens capsule bag tension link according to claim 6, it is characterised in that: between the center of circle of two location holes away from
From for 6mm；
When two location holes are gradually drawn close when contact, the diameter of the ring body gradually becomes 10mm from 13mm.
8. lens capsule bag tension link according to any one of claims 1 to 7, it is characterised in that: connected in the ring body
There is at least one sclera stay hook；
The sclera stay hook includes the connecting rod being connected and hook body structure；
The bottom end of the connecting rod is fixedly connected with ring body, and the connecting rod is tilted to the center of circle of ring body, the top of the connecting rod
Projection of the end in the plane where ring body is located at the inside of ring body, and the connecting rod and the planar shaped where ring body are at an acute angle；
The top of the connecting rod and one end of hook body structure connect, and the other end of hook body structure is free end；
The outer lateral bend that the free end of the hook body structure is open to the preceding capsule of eyes, and it is directed toward ciliary groove；
Sclera fixation hole is provided in the free end of the hook body structure.
9. lens capsule bag tension link according to claim 8, it is characterised in that: the length of the connecting rod is 0.2mm；
The hook body structure is in 3/4 circular configuration, circular in cross-section, diameter 2mm；
Plane where the hook body structure is parallel with the plane where ring body.
10. lens capsule bag tension link according to claim 9, it is characterised in that: in the ring body there are two connections
Sclera stay hook；
Two hook body structures are located in the same plane；
The bottom end of the connecting rod of two sclera stay hooks is located at the same of ring body diametrically, and two sclera fixation holes are in the ring
Body in the plane projection be located at ring body same diametrically；
The direction of free end of each sclera stay hook from the top of connecting rod to hook body structure is counterclockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640327.5U CN209347405U (en) | 2018-10-10 | 2018-10-10 | A kind of lens capsule bag tension link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640327.5U CN209347405U (en) | 2018-10-10 | 2018-10-10 | A kind of lens capsule bag tension link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209347405U true CN209347405U (en) | 2019-09-06 |
Family
ID=67781894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821640327.5U Expired - Fee Related CN209347405U (en) | 2018-10-10 | 2018-10-10 | A kind of lens capsule bag tension link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209347405U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358595A (en) * | 2020-04-14 | 2020-07-03 | 厦门大学附属厦门眼科中心有限公司 | Annular capsular bag of artificial lens |
| CN113017917A (en) * | 2021-03-02 | 2021-06-25 | 重庆爱尔麦格眼科医院有限公司 | Suturable lens capsule bag tension ring |
| WO2021155887A1 (en) | 2020-02-03 | 2021-08-12 | Francesco Negroni | Capsule tensioning ring |
-
2018
- 2018-10-10 CN CN201821640327.5U patent/CN209347405U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021155887A1 (en) | 2020-02-03 | 2021-08-12 | Francesco Negroni | Capsule tensioning ring |
| CN111358595A (en) * | 2020-04-14 | 2020-07-03 | 厦门大学附属厦门眼科中心有限公司 | Annular capsular bag of artificial lens |
| CN113017917A (en) * | 2021-03-02 | 2021-06-25 | 重庆爱尔麦格眼科医院有限公司 | Suturable lens capsule bag tension ring |
| CN113017917B (en) * | 2021-03-02 | 2024-05-07 | 重庆南坪爱尔眼科医院有限公司 | Suturable lens capsular bag tension ring |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 |