CN113208774A - Single-hole capsular bag retractor and preparation method thereof - Google Patents
Single-hole capsular bag retractor and preparation method thereof Download PDFInfo
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- CN113208774A CN113208774A CN202110573426.6A CN202110573426A CN113208774A CN 113208774 A CN113208774 A CN 113208774A CN 202110573426 A CN202110573426 A CN 202110573426A CN 113208774 A CN113208774 A CN 113208774A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 7
- 230000006378 damage Effects 0.000 abstract description 2
- 239000004743 Polypropylene Substances 0.000 description 21
- -1 polypropylene Polymers 0.000 description 21
- 229920001155 polypropylene Polymers 0.000 description 21
- 210000003786 sclera Anatomy 0.000 description 10
- 210000000695 crystalline len Anatomy 0.000 description 6
- 210000000795 conjunctiva Anatomy 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 206010058046 Post procedural complication Diseases 0.000 description 2
- 208000035965 Postoperative Complications Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 239000003364 biologic glue Substances 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
- 238000002513 implantation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229920001778 nylon Polymers 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
- 238000009958 sewing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- 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
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- 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-hole capsular bag retractor and a preparation method thereof, wherein the preparation method comprises the following steps: bending the suture to form the suture into an arcuate end; heating the arcuate end to shape the arcuate end; heating the first end of the suture to form the first end of the suture into a rounded blunt end; clamping the round blunt end to form a round end; the circular end is pierced so that the circular end forms a through hole. The advantage is that the through hole of the single-hole bag drag hook can form a lantern ring structure with the suture, and the tightness can be adjusted and is smooth; in addition, the single-hole capsular bag draw hook does not need to penetrate through the capsular sac at the equator part to manufacture a scleral flap, and the problems of insufficient fixation, insufficient slippage and large damage of the traditional intraocular lens are solved.
Description
Technical Field
The invention relates to the technical field of sclera fixation, in particular to a single-hole capsular bag retractor and a preparation method thereof.
Background
Various temporary or permanent intraocular capsular bag retractors or anchors hold the lens capsular bag in place at one end of the anterior capsular opening and at the other end of the anterior capsular opening in place between the scleral layers to reposition the subluxated lens or IOL capsular bag complex. A more representative permanent intraocular implantation capsular bag retractor comprises: an anchor type capsular retractor for scleral suture fixation of PMMA material designed by TonY and the like, a capsular retractor for nylon material fixed in biogel sclera designed by Jacob S and the like, a T type capsular retractor for polypropylene material fixed in scleral layer made by Yaguchi S and the like.
The traditional method for fixing the improved capsular tension ring by using a 10-0 polypropylene suture needs to penetrate out from the equator of the lens capsular bag at the dislocation and then pass through the sclera, so that the integrity of the capsular membrane at the equator is damaged, the capsular tearing risk and possibility are increased, and a scleral flap needs to be manufactured to complete the operation.
The T-shaped draw hook invented by Japanese scholars depends on the fixation under the scleral flap, the operation needs to be completed by cutting the conjunctiva and manufacturing the scleral flap, and the T-shaped draw hook is easy to rotate and shift when the sclera is fixed.
The Indian scholars use temporary capsular bag draw hooks to be permanently implanted into eyes and use biological glue to fix the capsular bag draw hooks under a scleral flap, and the Indian scholars are beyond approved marks and need to cut a conjunctiva and make the scleral flap to complete the operation.
At present, aiming at the problems of large surgical wound, large-scale cutting of conjunctiva and preparation of a scleral flap existing in the related technology; the postoperative complication such as the exposed knot and the shedding is easy to happen, and an effective solution is not provided.
Disclosure of Invention
The invention aims to provide a single-hole capsular bag retractor and a preparation method thereof aiming at overcoming the defects in the prior art, and aims to solve the problems that the surgery wound is large, a conjunctiva needs to be cut in a large range and a scleral flap needs to be manufactured in the related art; the postoperative complication such as the exposed knot and the shedding is easy to occur.
In order to achieve the purpose, the invention adopts the technical scheme that:
in a first aspect, a method for preparing a single-hole capsular bag retractor is provided, which comprises the following steps:
bending a suture to form the suture into an arcuate end;
heating the curved end to shape the curved end;
heating the first end of the suture to form the first end of the suture into a rounded blunt end;
clamping the round blunt end so that the round blunt end forms a round end;
and piercing the circular end to form a through hole in the circular end.
In some of these embodiments, the distance between the first end of the suture and the distal-most end of the curved end is greater than the distance between the second end of the suture and the distal-most end of the curved 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 curved end comprises:
and burning the arc-shaped end for 3-5 seconds by using an electrocoagulator.
In some of these embodiments, heating the first end of the suture comprises:
an electrocoagulator is used to cauterize a first end of the suture.
In some of these embodiments, clamping the rounded, blunt end comprises:
the rounded blunt end will be gripped using a needle holder or a forceps.
In some of these embodiments, piercing the rounded end comprises:
the center of the rounded end is punctured with a needle.
In a second aspect, a single-hole bag retractor is provided, which is integrally formed, and comprises:
the hook body is arranged between the first end of the hook body and the second end of the hook body in an arc shape;
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 pivotally connected to an 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 second hook body is arc-shaped, and the first end of the second hook body is connected with the second end of the first hook body;
a third hook, a first end of the third hook being connected to a second end of the second hook;
wherein the connecting end is arranged at the first end of the first hook 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 of these embodiments, the second hook body has a width of 0.3mm or less.
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 between the length of the first hook and the length of the third hook is at least 0.5 mm.
In some of these embodiments, the first end of the first hook is 3.0mm from the distal-most end of the second hook.
In some of these embodiments, the second end of the third hook is 2.5mm from the distal-most end of the second hook.
In some of these embodiments, the maximum width of the connecting end is 0.5 mm.
In some of these embodiments, the connecting end is circular.
In a third aspect, there is provided a single-hole capsular bag retractor device, comprising:
the single-hole capsular bag retractor described above;
and the suture is detachably connected with the single-hole bag draw hook through the through hole.
In some of these embodiments, the suture has a diameter less than the diameter of the through hole.
In some of these embodiments, the suture has a diameter 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 is used for driving one end of the suture to pass through the through hole;
a needle coupled to one end of the suture.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
according to the single-hole bag drag hook and the preparation method thereof, the through hole of the single-hole bag drag hook can form a lantern ring structure with a suture, and the single-hole bag drag hook is adjustable in tightness, smooth and small in friction force; in addition, the single-hole capsular bag draw hook does not need to penetrate the capsular sac and sclera of the equator and manufacture a scleral flap, and the problem that the capsular bag drawn by the 8-0 draw hook and the 10-0 draw hook is not stable enough is solved.
Drawings
FIG. 1 is a schematic view of a single hole capsular bag retractor according to one embodiment of the present invention;
FIG. 2 is a schematic view of a single aperture capsular bag retractor device according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of a use state (one) according to one embodiment of the present invention;
fig. 4 is a schematic diagram of a use state according to an embodiment of the present invention (two).
Wherein the reference numerals are: 100. a single-hole capsular bag draw 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. Sewing;
300. a threading device;
400. a needle;
A. an anterior capsule membrane; B. the posterior capsule.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Example 1
The embodiment relates to a preparation method of a single-hole capsular bag retractor.
The invention discloses a preparation method of a single-hole capsular bag retractor, which comprises the following steps:
step S102, bending the suture line to enable the suture line to form an arc-shaped end;
step S104, heating the arc end to shape the arc end;
step S106, heating the first end of the suture to enable the first end of the suture to form a round and blunt end;
step S108, clamping the round blunt end to enable the round blunt end to form a round end;
and step S110, puncturing the circular end to enable the circular end to form a through hole.
In step S104, heating the arc end includes:
and (3) burning the arc-shaped end for 3-5 seconds by using an electrocoagulator.
In step S106, heating the first end of the suture includes:
an electrocoagulator is used to cauterize a first end of the suture.
In step S108, the clamping the round blunt end includes:
the rounded blunt end is held using a needle holder or a file clamp.
In step S110, piercing the rounded end comprises:
the center of the rounded end is punctured with a needle.
Wherein the suture is 4-0 polypropylene suture.
Wherein a distance between the first end of the suture and a distal-most end of the curved end is greater than a distance between the second end of the suture and the distal-most end of the curved end.
Wherein the diameter of the through hole is larger than the diameter of the suture.
The specific preparation method of the single-hole capsular bag retractor comprises the following steps:
selecting a 4-0 medical polypropylene suture;
bending the tail of the 4-0 medical polypropylene suture into an arc shape, reserving a U-shaped top end with the diameter of 2mm, burning the U-shaped top end by using a condenser from far (10mm) to near (2mm), and shaping within 3-5 s;
burning the suture line at one side of the longer end by using an electric condenser, and immediately clamping the tip of the melted rivet into a round end by using a needle holder or a venturi clamp after the tip is in a rivet shape;
the 4-0 capsular bag tension hook is formed by piercing the center of the circular end with a 1ml needle to form a circular hole.
The embodiment has the advantages that the operation is simple, the preparation time is short, and the single-hole capsular bag retractor is quickly obtained; can finely adjust the length of the single-hole bag drag hook according to the illness states of different patients, and has wide application range.
Example 2
This example relates to a single-hole capsular bag retractor of the present invention, which was prepared according to the method of example 1.
In an exemplary embodiment of the present invention, as shown in fig. 1, a single-hole capsular bag 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 disposed through the connection end 120.
Wherein the single-hole capsular bag retractor 100 is integrally formed.
Wherein the single-hole capsular bag retractor 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 to a second end of the first hook body 111, and a first end of the third hook body 113 is connected to a second end of the second hook body 112.
The first hook 111 is a linear structure, the second hook 112 is an arc structure, and the third hook 113 is a linear structure.
The first hook 111 and the third hook 113 may be parallel or non-parallel.
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 embodiments, the arc center angle of the second hook 112 is an obtuse angle, which is greater than 90 ° and equal to or less than 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 0.5 mm.
In some of these embodiments, the distance between the first end of the first hook 111 and the most distal end of the second hook 112 is 3.0 mm.
In some of these embodiments, the distance between the second end of the third hook 113 and the most distal end of the second hook 112 is 2.5 mm.
Wherein, the width of the second hook body 112 is less than or equal to 0.3 mm.
In some embodiments, the second hook 112 has a width of 0.1mm to 0.2 mm.
In some of these embodiments, the second hook body 112 has a width of 0.2 mm.
As shown in fig. 2, the connecting end 120 is disposed at the first end of the first hook 111, and the connecting end 120 is rotatably connected to the first end of the first hook 111.
Wherein the connection end 120 is circular.
Wherein, the diameter of the connection end 120 is larger than that of the hook body 110, that is, the connection end 120 is larger than that of the first hook body 111.
Wherein, the maximum outer diameter of the connection end 120 is 0.5 mm.
Since the single-hole capsular bag retractor 100 is made of 4-0 polypropylene suture, the single-hole capsular bag retractor 100 is flexible and can be bent and folded, i.e., the connecting end 120 can rotate at the connecting point with the first hook 111, so that the connecting end 120 and the first hook 111 can be in 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 holes 130 are concentrically arranged with the connection end 120.
Wherein the diameter of the through hole 130 is larger than that of the hook body 110, i.e., the diameter of the through hole 130 is larger than that of the first hook body 111. A
The invention has the advantages that:
(1) 4-0 polypropylene suture with high strength is adopted as a capsular bag drag hook to fix the capsular bag, so that the re-dislocation caused by suture fracture is avoided;
(2) the method is characterized in that a holed capsular retractor is designed by using a 4-0 polypropylene suture for the first time, and the 4-0 capsular retractor and the 8-0 polypropylene suture are ingeniously connected in a lantern ring mode, so that the problems that a traditional capsular tension ring needs to penetrate through an equatorial capsular sac and a sclera and a scleral flap is manufactured are solved, the technical problem that the capsular sac is not stable enough when being drawn by the 8-0 and 10-0 retractors is solved, and 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 which is firmly penetrated between scleral layers is damaged greatly than the 8-0 suture, and the risk of exposing the knot is large are solved;
(3) the conjunctiva does not need to be cut and the scleral flap does not need to be made, thereby shortening the operation time and lightening the operation injury;
(4) the double-line knot in the sclera can be fixed through the single-hole capsular bag draw hook, so that the incidence rate of postoperative line knot exposure and re-dislocation is reduced;
(5) can be widely applied to the treatment of dislocation of crystalline lens and artificial crystalline lens and has wide clinical application prospect.
Example 3
The embodiment relates to a single-hole capsular bag retractor device, which comprises the single-hole capsular bag retractor disclosed in embodiment 2.
As shown in fig. 2, the single hole capsular bag retractor device includes a single hole capsular bag retractor 100, a suture 200, a threader 300 and a needle 400.
The suture 200 is detachably connected to the single-hole capsular bag 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 the suture 200 is smaller than the diameter of the through hole 130.
Wherein the suture 200 is an 8-0 polypropylene suture.
The threader 300 is removably coupled to the suture 200 for driving an end of the suture 200 through the through-hole 130.
Wherein, the threader 300 is a medical forceps.
In some of these embodiments, threader 300 is a 23G internal limiting membrane forceps.
A needle 400 is removably attached to one end of the suture 200 to carry the suture 200 through the scleral layers.
Wherein the needle 400 is a medical needle.
In some of these embodiments, the needle 400 is a 30G needle.
The using method of the invention is as follows:
threading the suture 200 into the through-hole 130 of the single-hole capsular bag retractor 100 using the threader 300;
the needle 400 is used for driving the suture 200 to penetrate through the scleral layer, one end of the suture 200 connected with the needle 400 is exposed out of the sclera, and the other end of the suture 200 is closed to form a ring-shaped coil and is exposed out of the eye through the corneal incision, as shown in figures 3-4;
generally, it is necessary to place 3 to 4 single-hole capsular bag hooks 100 and sutures 200 connected to the single-hole capsular bag hooks 100 in the capsular bag.
Compared with the prior art, the problem that the traditional capsular tension ring needs to penetrate through the capsular sac and the sclera of the equator and manufacture a scleral flap is solved, the problem that the capsular sac is not stable enough when being pulled by 8-0 and 10-0 draw hooks is solved, and the problems that the knot formed by 4-0 polypropylene suture is thicker than 8-0 polypropylene suture, the 4-0 suture which is damaged by passing through the scleral layer is more damaged than 8-0 suture, and the risk of exposing the knot is great are solved.
The invention has the advantages that the connection between the single-hole bag 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-hole bag retractor device comprises the following steps:
using 23G inner limiting membrane forceps (namely a threading device) to thread 8-0 polypropylene suture (suture) into a round hole in the center of the round end of a 4-0 bag tension hook (a single-hole bag draw hook);
the 8-0 polypropylene suture passes through the scleral layer through a 30G needle, one end of 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 through the corneal incision;
the connection between the 4-0 bag tension hook and the 8-0 polypropylene needle-thread is realized by a 8-0 polypropylene thread lantern ring through a round hole at the tail end of the 4-0 bag tension hook, and the tightness of the lantern ring between the 4-0 bag tension hook and the 8-0 polypropylene needle-thread is adjustable and smooth;
the 4-0 capsular tension hook and attached 8-0 polypropylene suture are then formed into a lens or iol capsular bag complex without scleral flap scleral immobilisation dislocation.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A preparation method of a single-hole capsular bag retractor is characterized by comprising the following steps:
bending a suture to form the suture into an arcuate end;
heating the curved end to shape the curved end;
heating the first end of the suture to form the first end of the suture into a rounded blunt end;
clamping the round blunt end so that the round blunt end forms a round end;
and piercing the circular end to form a through hole in the circular end.
2. The method of making of claim 1, wherein a distance between a first end of the suture and a distal-most end of the curved end is greater than a distance between a second end of the suture and a distal-most end of the curved end.
3. The method of claim 1, wherein the diameter of the through-hole is greater than the diameter of the suture.
4. The utility model provides a haplopore bag drag hook which characterized in that haplopore bag drag hook integrated into one piece, haplopore bag drag hook includes:
the hook body is arranged between the first end of the hook body and the second end of the hook body in an arc shape;
a connecting end connected with the first end of the hook body;
and the through hole penetrates through the connecting end.
5. The single port capsular bag retractor of claim 4 wherein the attachment end is pivotally attached to one end of the hook body.
6. The single hole capsular bag retractor of claim 4 wherein the diameter of the through hole is greater than the diameter of the hook body.
7. The single hole capsular bag retractor of claim 4 wherein the body comprises:
a first hook body;
the second hook body is arc-shaped, and the first end of the second hook body is connected with the second end of the first hook body;
a third hook, a first end of the third hook being connected to a second end of the second hook;
wherein the connecting end is arranged at the first end of the first hook body.
8. The single hole capsular bag retractor of claim 7 wherein the first hook body has a length greater than the length of the third hook body.
9. A single-hole capsular bag retractor device is characterized by comprising:
a single aperture capsular bag retractor as claimed in any one of claims 4 to 8;
and the suture is detachably connected with the single-hole bag draw hook through the through hole.
10. The single port capsular bag retractor device of claim 9 further comprising:
the threading device is detachably connected with the suture and is used for driving one end of the suture to pass through the through hole;
a needle coupled to one end 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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| CN202110573426.6A CN113208774B (en) | 2021-05-25 | 2021-05-25 | Preparation method of single Kong Nangdai drag hook |
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| CN113208774B CN113208774B (en) | 2023-10-24 |
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| US20040230203A1 (en) * | 2003-05-15 | 2004-11-18 | Cuore, Inc | Intraocular device for retaining a lens capsule |
| JP2007021147A (en) * | 2005-07-19 | 2007-02-01 | Shigeo Taniguchi | Lens capsule equator retaining appliance |
| US20120290086A1 (en) * | 2010-11-03 | 2012-11-15 | Microsurgical Technology, Inc. | Intraocular capsular tension rings |
| CN106264790A (en) * | 2016-11-15 | 2017-01-04 | 赵春峰 | A kind of suspension lens capsule bag scleral fixator |
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| US10639195B1 (en) * | 2019-08-19 | 2020-05-05 | Richard Mackool | Capsular retractors |
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| CN113208774B (en) | 2023-10-24 |
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