CN113208774B - Preparation method of single Kong Nangdai drag hook - Google Patents
Preparation method of single Kong Nangdai drag hook Download PDFInfo
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- CN113208774B CN113208774B CN202110573426.6A CN202110573426A CN113208774B CN 113208774 B CN113208774 B CN 113208774B CN 202110573426 A CN202110573426 A CN 202110573426A CN 113208774 B CN113208774 B CN 113208774B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims abstract description 7
- 239000004743 Polypropylene Substances 0.000 claims description 22
- -1 polypropylene Polymers 0.000 claims description 22
- 229920001155 polypropylene Polymers 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims 1
- 239000002775 capsule Substances 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 3
- 210000003786 sclera Anatomy 0.000 description 20
- 210000000695 crystalline len Anatomy 0.000 description 6
- 210000000795 conjunctiva Anatomy 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 208000014674 injury Diseases 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 210000004087 cornea Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 241001669060 Astyanax anterior Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003364 biologic glue Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- A61F2/1694—Capsular bag spreaders therefor
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0008—Fixation appliances for connecting prostheses to the body
-
- 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
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention relates to a single Kong Nangdai drag hook and a preparation method thereof, wherein the preparation method comprises the following steps: bending the suture to form an arcuate end of the suture; heating the arcuate end to shape the arcuate end; heating the first end of the suture to form a rounded end of the first end of the suture; clamping the rounded end to form a rounded end; the rounded end is pierced such that the rounded end forms a through hole. The suture loop has the advantages that the through hole of the single-hole bag drag hook can be used for forming a loop structure with a suture, and the tightness is adjustable and smooth; in addition, the single-hole sac retractor does not need to penetrate through the equatorial capsule to manufacture scleral flap, so that the problems of insufficient stability, slipping and great damage of the traditional intraocular lens are solved.
Description
Technical Field
The invention relates to the technical field of scleral fixation, in particular to a single-hole capsular bag retractor and a preparation method thereof.
Background
Various temporary or permanent intraocular implanted capsular bag retractors or anchors are supported at one end below the anterior capsular opening to secure the capsular bag and at one end between the scleral layers to reposition the subluxated lens or the capsular bag complex. A more representative permanent intraocular implant capsular bag retractor comprises: an anchor-type capsular bag retractor for fixing a scleral suture of PMMA material designed by Tony and the like, a capsular bag retractor of nylon material fixed in a bio-gel sclera designed by Jacob S and the like, a T-type capsular bag retractor of polypropylene material fixed in a scleral interlayer manufactured by Yaguchi S and the like.
The traditional scheme is that a method for fixing and improving a bag tension ring by using 10-0 polypropylene suture lines needs to pass through the equator part of the lens bag at the dislocation position and then pass through the sclera, so that the integrity of the envelope of the equator part is damaged, the risk and possibility of tearing the bag are increased, and a scleral flap is required to be manufactured to complete an operation.
The T-shaped retractor invented by Japanese scholars depends on the fixation under the sclera flap, the conjunctiva is needed to be cut off and the sclera flap is manufactured to complete the operation, and the T-shaped retractor is easy to rotate and shift when the sclera is fixed.
Indian students use temporary capsular bag retractor to permanently implant into eyes, use biological glue to fix the retractor under sclera flap, and use the retractor beyond approval mark, and need to cut conjunctiva and make sclera flap to complete operation.
Aiming at the problems of large surgical trauma and large requirement of cutting conjunctiva and manufacturing scleral flap in a large range in the related technology at present; the problems of knot exposure, re-falling and other complications easily occur after operation, and no effective solution has been proposed yet.
Disclosure of Invention
The invention aims at overcoming the defects in the prior art, and provides a single Kong Nangdai drag hook and a preparation method thereof, so as to solve the problems of large surgical trauma, large need of shearing conjunctiva in a large range and manufacturing sclera flap in the related art; the postoperative complications such as knot exposure, re-falling off and the like are easy to occur.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, a method for manufacturing a single hole capsular bag retractor is provided, comprising:
bending the suture to form an arcuate end of the suture;
heating the curved end to shape the curved end;
heating the first end of the suture to form a rounded end of the first end of the suture;
clamping the rounded end to form a rounded end;
piercing the rounded end to form a through hole in the rounded end.
In some of these embodiments, the distance between the first end of the suture and the distal-most end of the arcuate end is greater than the distance between the second end of the suture and the distal-most end of the arcuate end.
In some of these embodiments, the diameter of the through hole is greater than the diameter of the suture.
In some of these embodiments, heating the arcuate end comprises:
and (3) cauterizing the arc-shaped end for 3-5s by using an electric coagulator.
In some of these embodiments, heating the first end of the suture comprises:
an electrocoagulator is used to cauterize the first end of the suture.
In some of these embodiments, gripping the rounded end comprises:
the rounded end will be gripped using a needle holder or a venturi-type clamp.
In some of these embodiments, piercing the rounded end comprises:
the center of the circular end is pierced with a needle.
In a second aspect, a single hole pouch drag hook is provided, single hole pouch drag hook integrated into one piece, single hole pouch drag hook includes:
the hook body is arranged in an arc shape between the first end of the hook body and the second end of the hook body;
the connecting end is connected with one end of the hook body;
and the through hole penetrates through the connecting end.
In some of these embodiments, the hook body is J-shaped or U-shaped.
In some of these embodiments, the connecting end is rotatably connected to one end of the hook body.
In some of these embodiments, the diameter of the through hole is greater than the diameter of the hook body.
In some of these embodiments, the hook body comprises:
a first hook body;
the first end of the second hook body is connected with the second end of the first hook body;
the first end of the third hook body is connected with the second end of the second hook body;
wherein, the link set up in the first end of first coupler body.
In some of these embodiments, the diameter of the first hook, the diameter of the second hook, and the diameter of the third hook are equal.
In some of these embodiments, the diameter of the through hole is greater than the diameter of the first hook.
In some embodiments, the width of the second hook body is less than or equal to 0.3mm.
In some of these embodiments, the length of the first hook is greater than the length of the third hook.
In some of these embodiments, the difference in length of the first hook and the third hook is at least 0.5mm.
In some of these embodiments, the first end of the first hook body is 3.0mm from the distal-most end of the second hook body.
In some of these embodiments, the second end of the third hook is a linear distance of 2.5mm from the distal-most end of the second hook.
In some of these embodiments, the maximum width of the connecting end is 0.5mm.
In some of these embodiments, the connecting end is rounded.
In a third aspect, there is provided a single Kong Nangdai retractor apparatus comprising:
a single Kong Nangdai retractor as described above;
and the suture is detachably connected with the single-hole bag drag hook through the through hole.
In some of these embodiments, the diameter of the suture is less than the diameter of the through hole.
In some of these embodiments, the suture has a diameter that is less than the diameter of the hook body.
In some of these embodiments, further comprising:
the threading device is detachably connected with the suture and used for driving one end of the suture to pass through the through hole;
and a needle connected to one end of the suture.
Compared with the prior art, the invention has the following technical effects:
according to the single Kong Nangdai draw hook and the preparation method thereof, the through hole of the single Kong Nangdai draw hook can form a loop structure with a suture, and the loop structure is adjustable in tightness, smooth and small in friction force; in addition, the single-hole bag retractor does not need to penetrate through the equatorial capsule, the sclera and make sclera flap, and solves the problem that 8-0 and 10-0 retractor are not stable enough to pull the capsule.
Drawings
FIG. 1 is a schematic diagram of a single Kong Nangdai retractor in accordance with one embodiment of the invention;
FIG. 2 is a schematic diagram of a single Kong Nangdai retractor apparatus according to one embodiment of the invention;
FIG. 3 is a schematic view (one) of a usage state according to an embodiment of the present invention;
fig. 4 is a schematic view of a use state (two) according to an embodiment of the present invention.
Wherein the reference numerals are as follows: 100. a single-hole bag drag hook; 110. a hook body; 111. a first hook body; 112. a second hook body; 113. a third hook body; 120. and a connecting end.
200. A suture;
300. a threader;
400. a needle;
A. anterior capsule; B. posterior capsule.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Example 1
This embodiment relates to a method for manufacturing a single Kong Nangdai retractor of the invention.
The invention relates to a preparation method of a single Kong Nangdai draw hook, which comprises the following steps:
step S102, bending the suture to form an arc-shaped end of the suture;
step S104, heating the arc-shaped end to shape the arc-shaped end;
step S106, heating the first end of the suture to form a rounded end at the first end of the suture;
step S108, clamping the round end so that the round end forms a round end;
step S110, piercing the round end to form a through hole at the round end.
In step S104, heating the arc end includes:
and (3) cauterizing the arc-shaped end for 3-5s by using an electric coagulator.
In step S106, heating the first end of the suture includes:
the first end of the suture is cauterized using an electrocoagulator.
In step S108, the clamping the rounded end includes:
the rounded end is gripped using a needle holder or a venturi clamp.
In step S110, piercing the rounded end includes:
the center of the circular end is pierced with a needle.
Wherein the suture is a 4-0 polypropylene suture.
Wherein the distance between the first end of the suture and the distal-most end of the arcuate end is greater than the distance between the second end of the suture and the distal-most end of the arcuate end.
Wherein the diameter of the through hole is larger than the diameter of the suture.
The specific preparation method of the single Kong Nangdai drag hook comprises the following steps:
selecting a 4-0 medical polypropylene suture;
bending the tail of a 4-0 medical polypropylene suture into an arc shape, leaving a U-shaped top end of 2mm, and cauterizing the U-shaped top end from a far (10 mm) end and a near (2 mm) end by an electric coagulator for 3-5s to form a shape;
the suture on one side of the longer end is cauterized by an electric coagulator, and the molten rivet-like tip is immediately clamped into a round end by a needle holder or a text forceps after the tip is rivet-like;
a1 ml needle is used to puncture the center of the round end to form a round hole, thus forming a 4-0 capsular tension hook.
The embodiment has the advantages of simple operation, short preparation time and quick acquisition of a single Kong Nangdai draw hook; the length of the single-hole bag drag hook can be finely adjusted according to the illness state of different patients, and the application range is wide.
Example 2
This example relates to a single Kong Nangdai retractor of the invention made by the manufacturing method of example 1.
In an exemplary embodiment of the present invention, as shown in fig. 1, a single hole pouch retractor 100 includes a hook body 110, a connection end 120, and a through hole 130, wherein the connection end 120 is connected to at least one end of the hook body 110, and the through hole 130 is provided through the connection end 120.
Wherein the single hole pocket drag hook 100 is integrally formed.
Wherein the single hole pocket drag hook 100 is made of 4-0 polypropylene suture.
As shown in fig. 2, the hook body 110 includes a first hook body 111, a second hook body 112, and a third hook body 113, wherein the hook body 110 is integrally formed, a first end of the second hook body 112 is connected with a second end of the first hook body 111, and a first end of the third hook body 113 is connected with a second end of the second hook body 112.
The first hook 111 has a linear structure, the second hook 112 has an arc structure, and the third hook 113 has a linear structure.
The first hook 111 and the third hook 113 may be parallel or non-parallel.
Wherein the diameter of the first hook 111, the diameter of the second hook 112, and the diameter of the third hook 113 are equal.
In some of these embodiments, the arc center angle of the second hook 112 is an obtuse angle, which is greater than 90 ° and less than or equal to 180 °.
Wherein the length of the first hook 111 is greater than the length of the third hook 113.
In some of these embodiments, the difference between the length of the first hook 111 and the length of the third hook 113 is at least 0.5mm.
In some of these embodiments, the distance between the first end of the first hook 111 and the distal-most end of the second hook 112 is 3.0mm.
In some of these embodiments, the distance between the second end of the third hook 113 and the distal-most end of the second hook 112 is 2.5mm.
Wherein the width of the second hook 112 is less than or equal to 0.3mm.
In some of these embodiments, the width of the second hook 112 is 0.1mm to 0.2mm.
In some of these embodiments, the width of the second hook 112 is 0.2mm.
As shown in fig. 2, the connection end 120 is disposed at a first end of the first hook 111, and the connection end 120 is rotatably connected to the first end of the first hook 111.
Wherein the connecting end 120 is circular.
Wherein the diameter of the connecting end 120 is larger than the diameter of the hook body 110, i.e. the connecting end 120 is larger than the diameter of the first hook body 111.
Wherein the maximum outer diameter of the connection end 120 is 0.5mm.
Because the single-hole bag retractor 100 is made of 4-0 polypropylene suture, the single Kong Nangdai retractor 100 is relatively soft and can perform bending, folding and other actions, namely the connecting end 120 can rotate at the connecting point of the connecting end 120 and the first hook body 111, so that the connecting end 120 and the first hook body 111 can take various forms.
Specifically, the central axis of the connecting end 120 may be perpendicular to the central axis of the first hook 111, or may be parallel to the central axis of the first hook 111.
The through hole 130 and the connection end 120 are disposed in concentric circles.
Wherein the diameter of the through hole 130 is larger than the diameter of the hook body 110, i.e., the diameter of the through hole 130 is larger than the diameter of the first hook body 111. A step of
The invention has the advantages that:
(1) 4-0 polypropylene suture with larger strength is adopted as a bag drag hook to fix a capsule membrane, so that the suture is prevented from breaking to cause dislocation again;
(2) The method has the advantages that the 4-0 polypropylene suture is used for designing the Kong Nangdai drag hook for the first time, the 4-0 bag drag hook is skillfully connected with the 8-0 polypropylene suture in a loop mode, the problems that a traditional bag tension loop needs to penetrate through the equatorial capsule membrane and the sclera and a sclera flap is manufactured are solved, the technical problems that the 8-0 drag hook and the 10-0 drag hook are not stable enough to pull the capsule membrane are solved, the technical problems that a knot formed by the 4-0 polypropylene suture is thicker than the 8-0 polypropylene suture, the 4-0 suture is damaged by penetrating between sclera layers and is larger than the 8-0 suture, and the risk of knot exposure is large are solved;
(3) The conjunctiva does not need to be cut off and the sclera flap is manufactured, so that the operation time is shortened and the operation damage is lightened;
(4) The fixation of the double-line knot in the sclera can be realized through the single Kong Nangdai drag hook, so that the incidence rate of postoperative line knot exposure and dislocation again is reduced;
(5) Can be widely applied to the treatment of dislocation of crystalline lens and intraocular lens and has wide clinical application prospect.
Example 3
This embodiment relates to a single Kong Nangdai retractor assembly of the present invention comprising a single Kong Nangdai retractor as described in example 2.
As shown in fig. 2, the single-hole pouch retractor device includes a single Kong Nangdai retractor 100, a suture 200, a threader 300, and a needle 400.
The suture 200 is detachably connected to the single Kong Nangdai retractor 100 through the through-hole 130. Specifically, one end of the suture 200 is detachably coupled to the hook body 110 after passing through the through-hole 130.
Wherein the diameter of suture 200 is smaller than the diameter of through-hole 130.
Wherein the suture 200 is an 8-0 polypropylene suture.
The threader 300 is detachably connected to the suture 200 for driving one end of the suture 200 through the through-hole 130.
Wherein the threader 300 is a medical tweezer.
In some of these embodiments, threader 300 is a 23G endomembrane forceps.
The needle 400 is detachably connected to one end of the suture 200 to drive the suture 200 through the scleral interlayer.
Wherein the needle 400 is a medical needle.
In some of these embodiments, needle 400 is a 30G needle.
The application method of the invention is as follows:
threading the suture 200 into the through hole 130 of the single Kong Nangdai retractor 100 using the threader 300;
the suture 200 is driven to pass through the scleral interlayer by using the needle 400, one end of the suture 200 connected with the needle 400 is exposed outside the sclera, and the other end of the suture 200 is closed to form an annular coil and exposed outside the eye through the cornea incision, as shown in fig. 3 to 4;
generally, 3 to 4 single hole balloon retractors 100 and sutures 200 attached to the single Kong Nangdai retractor 100 need to be placed within the balloon.
Compared with the related art, the problem that the traditional capsular tension ring needs to penetrate through the equatorial capsule and the sclera and manufacture the sclera flap is solved, the problem that the capsule is not firmly pulled by the 8-0 and 10-0 drag hooks is solved, and the problems that the knot formed by the 4-0 polypropylene suture is thicker than the 8-0 polypropylene suture, the injury of the 4-0 suture caused by penetration between sclera layers is larger than that of the 8-0 suture, and the risk of knot exposure is large are solved.
The invention has the advantages that the connection between the single Kong Nangdai draw hook and the suture is realized through the lantern ring between the through hole and the suture, and the tightness is adjustable and smooth.
The specific use method of the single Kong Nangdai drag hook device comprises the following steps:
penetrating 8-0 polypropylene suture (suture) into a round hole at the center of the round end of a 4-0 capsular tension hook (single-hole capsular retractor) by using 23G inner limiting membrane forceps (i.e. a threader);
8-0 polypropylene suture passes through the scleral interlayer by a 30G needle (needle), one end with the needle is exposed outside the sclera, and the other end of the needle is closed, and the annular coil is exposed outside the eye by a cornea incision;
the connection between the 4-0 bag tension hook and the 8-0 polypropylene needled suture is realized by an 8-0 polypropylene suture loop through a round hole at the tail end of the 4-0 bag tension hook, and the loop tightness between the 4-0 bag tension hook and the 8-0 polypropylene needled suture is adjustable and smooth;
the 4-0 capsular bag tension hook and attached 8-0 polypropylene suture were then formed into a lens or intraocular lens capsular bag complex with a scleral flap, an interlaminar fixation dislocation.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included within the scope of the present invention.
Claims (3)
1. A method for manufacturing a single Kong Nangdai retractor, comprising:
bending the suture to form an arcuate end of the suture;
heating the curved end to shape the curved end;
heating the first end of the suture to form a rounded end of the first end of the suture;
clamping the rounded end to form a rounded end;
piercing the rounded end to form a through hole in the rounded end;
the preparation method specifically comprises the following steps:
bending the tail of the 4-0 medical polypropylene suture into an arc shape, leaving a U-shaped top end of 2 mm;
the electric coagulator is used for cauterizing the U-shaped top end from far to near, and shaping can be carried out for 3-5 s;
cauterizing the suture line at one side of the longer end by using an electric coagulator to make the pointed end be rivet-like;
clamping the melted rivet-like tip into a rounded end with a needle holder or a venturi clamp;
a1 ml needle is used to puncture the center of the round end to form a round hole, thus forming the 4-0 capsular tension retractor.
2. The method of preparing according to claim 1, wherein a distance between a first end of the suture and a distal-most end of the arcuate end is greater than a distance between a second end of the suture and a distal-most end of the arcuate end.
3. The method of manufacturing according to claim 1, wherein the diameter of the through hole is larger than the diameter of the suture.
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| CN202110573426.6A CN113208774B (en) | 2021-05-25 | 2021-05-25 | Preparation method of single Kong Nangdai drag hook |
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| CN113208774B true CN113208774B (en) | 2023-10-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4370371B2 (en) * | 2003-05-15 | 2009-11-25 | 学校法人昭和大学 | Lens capsule retainer |
| US20120290086A1 (en) * | 2010-11-03 | 2012-11-15 | Microsurgical Technology, Inc. | Intraocular capsular tension rings |
| EP3393370A4 (en) * | 2015-12-21 | 2019-08-28 | Baylor College of Medicine | Capsular clip for correcting zonular weakness post-cataract surgery |
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- 2021-05-25 CN CN202110573426.6A patent/CN113208774B/en active Active
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