WO2022245103A1 - Aiguille tranchante pour chirurgie de la cataracte - Google Patents

Aiguille tranchante pour chirurgie de la cataracte Download PDF

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Publication number
WO2022245103A1
WO2022245103A1 PCT/KR2022/007048 KR2022007048W WO2022245103A1 WO 2022245103 A1 WO2022245103 A1 WO 2022245103A1 KR 2022007048 W KR2022007048 W KR 2022007048W WO 2022245103 A1 WO2022245103 A1 WO 2022245103A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
main
cataract surgery
chopper
main needle
Prior art date
Application number
PCT/KR2022/007048
Other languages
English (en)
Korean (ko)
Inventor
남동흔
이에스더
민동현
Original Assignee
주식회사 오큐라이트
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 주식회사 오큐라이트 filed Critical 주식회사 오큐라이트
Publication of WO2022245103A1 publication Critical patent/WO2022245103A1/fr

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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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
    • A61F9/00745—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments using mechanical vibrations, e.g. ultrasonic
    • 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
    • A61F9/00763—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments with rotating or reciprocating cutting elements, e.g. concentric cutting needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • A61B2090/306—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using optical fibres

Definitions

  • the present invention relates to a chaper needle for cataract surgery, and more particularly, to a chaper needle that is advantageous for cleaving the lens and removing fragments of the cleaved lens.
  • Cataract surgery is a procedure in which an artificial lens is inserted after the lens is removed. Cataract surgery is performed in such a way that an illumination device emits light toward the eyeball, emulsifies the lens with an ultrasonic emulsifier, splits the lens with a chopper, removes the split lens, and then inserts an artificial lens.
  • An end of a conventional cataract surgery chopper needle has a circular shape.
  • An object of the present invention is to provide a chaperone needle that is more advantageous in cleaving the lens and removing the split lens than the conventional chapper needle.
  • a chaper needle for cataract surgery includes a main needle connected to a handle, and the main needle includes an end formed in a shape other than circular.
  • the chaper for cataract surgery according to the present invention may further include a second reinforcing needle connected to the handle, the second reinforcing needle is provided between the handle and the main needle, and at least a part of an upstream side of the main needle may be connected. have.
  • the chaper for cataract surgery according to the present invention may further include a first reinforcing needle connected to the handle, the first reinforcing needle being provided between the handle and the second reinforcing needle, upstream of the second reinforcing needle. At least some of them may be connected.
  • An end of the main needle may be elliptical, and a long axis of the elliptical end may be arranged in a longitudinal direction of the main needle.
  • the end of the main needle may be elliptical, and the long axis of the elliptical end may be arranged to form a predetermined angle with respect to the longitudinal direction of the main needle.
  • One end of the main needle may be circular and the other may be elliptical, and the long axis of the other ellipse may be arranged in the longitudinal direction of the main needle.
  • One end of the main needle may be circular and the other end may be elliptical, and the long axis of the other ellipse may be arranged to form a predetermined angle with respect to the longitudinal direction of the main needle.
  • One side of the end of the main needle is circular and the other side may have a triangular cutting edge, and the cutting edge of the other side may be arranged in the longitudinal direction of the main needle.
  • One side of the end of the main needle is circular and the other side may have a triangular cutting edge, and the cutting edge of the other side may be arranged to form a predetermined angle with respect to the longitudinal direction of the main needle.
  • FIG. 1 is a perspective view of a chaper to which a chaper needle for cataract surgery according to the present invention is coupled;
  • FIG. 2 is a partial cross-sectional view of the chaper needle of FIG. 1;
  • FIG 3 is a view showing an end of a chaper needle for cataract surgery according to an embodiment of the present invention.
  • FIG. 4 is a view showing an end of a chaper needle for cataract surgery according to another embodiment of the present invention.
  • FIG 5 and 6 are views showing the end of a chapper needle for cataract surgery according to another embodiment of the present invention.
  • connection is defined to include not only a direct connection between two components, but also a connection between two components with an additional component intervening therebetween.
  • FIG. 1 is a perspective view of a chopper 1 for cataract surgery according to the present invention.
  • an optical fiber 40 is provided along the longitudinal direction of the handle 100 and the chopper needle, and the light supply cable 200 for supplying light to the optical fiber 40 is ) is connected to the upstream end of
  • upstream and downstream are determined based on the propagation direction of light through the optical fiber. That is, the end of the chapper needle, that is, the side irradiating the light is the downstream side, and the opposite direction of the end of the chaper needle, that is, the direction toward the light source is the upstream side.
  • One end of the light supply cable 200 is connected to a light source (not shown), and the other end of the light supply cable 200 is at an upstream end of the handle 100 at a predetermined angle (a) with respect to the length direction of the handle. can be connected while forming
  • a predetermined angle
  • the chaper needle according to the present invention includes a first reinforcing needle 10 coupled to the handle 100, a second reinforcing needle 20, and a main needle 30 .
  • the main needle 30 is used to cleave and remove the lens.
  • the chapper needles shown in FIGS. 1 and 2 to explain the present invention are merely exemplary configurations for explaining the present invention, and the present invention is a chaper needle example of a configuration other than the configuration shown in FIGS. 1 and 2 For example, it may also be applied to a chopper in which the main needle 30 is directly connected to the handle 100 without a reinforcing needle.
  • the first reinforcing needle 10 may be coupled to the handle 100 by, for example, ultrasonic welding or using an adhesive, but may also be coupled by other known coupling methods.
  • At least part of the upstream side of the second reinforcing needle 20 is connected to the downstream side of the first reinforcing needle 10, and at least part of the upstream side of the main needle 30 is connected to the downstream side of the second reinforcing needle 20. connected to For example, as shown in FIG. 2 , at least a portion of the upstream side of the second reinforcing needle 20 is inserted into the downstream side of the first reinforcing needle 10, and at least a portion of the upstream side of the main needle 30 is inserted. may be inserted into the downstream side of the second reinforcing needle 20 and connected to each other.
  • the second reinforcing needle 20 includes a 2-1 part 21 extending in parallel with the first reinforcing needle 10 and a 2-2 part 2-1 forming a predetermined angle with respect to the 2-1 part 21. portion 22.
  • the first reinforcing needle 10 and the second reinforcing needle 20 may be coupled to each other by, for example, a medical adhesive.
  • the main needle 30 includes a 3-1 portion 31 parallel to the 2-1 portion 21 of the second reinforcing needle 20 and a third-parallel 2-2 portion 22 of the second reinforcing needle 20.
  • the second part 32 and the 3-3 part 33 forming a predetermined angle with the 3-2 part 32 may be included.
  • the X direction of FIG. 2, that is, the direction penetrating vertically through FIG. 2 is the transverse direction of the main needle 30, the extension direction of the main needle 30 is the Z direction, and the Y direction perpendicular to the X and Z directions is the main It is defined as the longitudinal direction of the needle 30.
  • the optical fiber 40 extends along the longitudinal direction of the handle 100 , the first reinforcing needle 10 , the second reinforcing needle 20 , and the main needle 30 .
  • the optical fiber 40 may extend from the end of the main needle 30 to a position where light can be irradiated to the lens.
  • the optical fiber 40 is illustrated as extending to the end of the main needle 30 in FIG. 2 , it may extend only before the end if light can be irradiated to the lens from the end of the main needle 30 .
  • FIG. 2 shows that the optical fiber 40 can irradiate light toward the longitudinal direction of the main needle 30 from the end of the main needle 30, the optical fiber 40 is at the end of the main needle 30.
  • Other directions for example, a direction perpendicular to the longitudinal direction of the main needle 30, or a direction forming a predetermined angle with respect to the longitudinal direction may be provided so that light can be irradiated.
  • FIG. 2 shows that a single optical fiber 40 is provided, a plurality of optical fibers 40 may be provided.
  • the first reinforcing needle 10, the second reinforcing needle 20, and the main needle 30 may be hollow, and the optical fiber may extend along the longitudinal direction therein.
  • FIG. 1 and 2 show an embodiment in which two reinforcing needles are provided between the handle 100 and the main needle 30, but three or more reinforcing needles may be provided.
  • a single second reinforcing needle 20 as well as a plurality of second reinforcing needles 20 may be provided between the first reinforcing needle 10 and the main needle 30 .
  • the present invention is also applicable to a chaper needle without the first reinforcing needle 10 and the second reinforcing needle 20 or a chaper needle provided with only a single reinforcing needle.
  • the technical concept of the present invention may also be applied to a conventional chopper needle in which the optical fiber 40 is not provided along the length direction, that is, the optical fiber 40 does not emit light from the end of the main needle.
  • the end portion 35 of the main needle according to an embodiment of the present invention may be an elliptical shape having a long axis disposed along the longitudinal direction, that is, the Y direction.
  • ellipse is defined to include not only an ellipse strictly defined mathematically, but also any shape deformed closer to an ellipse than a circular shape.
  • the long axis of the end 35 of the main needle may be disposed in a non-longitudinal direction.
  • the end 35 of the main needle includes a first portion 355 used to cleave the lens. Compared to when the end 35 of the main needle is circular, the first portion 355 is sharpened. Therefore, when splitting the lens, an effect that can be split more easily than in the case of a circular shape is provided. Also, the second part 360 is advantageous for moving the cleft lens fragment.
  • the cleaved lens can be removed, for example, by means of a suction tool provided in an ultrasonic emulsifier.
  • FIG. 4 shows an end portion 35 of a chaper needle for cataract surgery according to another embodiment of the present invention.
  • the elliptical long axis of the needle end is arranged to form a predetermined angle with respect to the longitudinal direction, that is, the Y direction.
  • the predetermined angle b may be greater than or equal to about 30 degrees and less than or equal to about 60 degrees.
  • the predetermined angle b may be, for example, 45 degrees. According to the embodiment shown in FIG. 4 , there is an advantage in that the operator does not have to twist his hand less when splitting the lens.
  • the elliptical long axis of the needle end is arranged to form a predetermined angle with respect to the Y direction in the XY plane, but the elliptical long axis of the needle end may be arranged to form a predetermined angle with respect to the Y direction in the YZ plane.
  • 5 and 6 show an end portion 35 of a chaper needle for cataract surgery according to another embodiment of the present invention.
  • one side of the end is formed close to a circle and the other side is formed close to an ellipse.
  • the long axis of the other elliptical shape may be arranged in the Y direction or inclined at a predetermined angle with respect to the Y direction.
  • the elliptical long axis of the needle end may be arranged to form an angle with respect to the Y direction in the YZ plane as well as the XY plane.
  • one side of the end 35 is formed close to a circle and the other side is formed to have an edge close to a triangle, so that the overall shape is similar to that of a water droplet.
  • the direction of the cutting edge may be arranged in the Y direction or to form a predetermined angle with respect to the Y direction.
  • the direction of the cutting edge may be arranged to form a predetermined angle with respect to the Y direction in the YZ plane as well as the XY plane.
  • the present invention is not only the case where the end 35 of the main needle 30 has a constant cross-sectional shape along the longitudinal direction, but also an embodiment having a cross-section that varies in the longitudinal direction between the above-described cross-sectional shape or circular shape include

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Vascular Medicine (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Surgical Instruments (AREA)

Abstract

Une aiguille tranchante pour chirurgie de la cataracte selon la présente invention comprend une aiguille principale reliée à une poignée, l'aiguille principale comprenant une partie d'extrémité ayant une forme non circulaire. L'aiguille tranchante pour chirurgie de la cataracte selon la présente invention peut en outre comprendre une seconde aiguille de renforcement qui est disposée entre la poignée et l'aiguille principale et reliée à la poignée et au moins une partie du côté amont de l'aiguille principale. De plus, la partie d'extrémité de l'aiguille principale peut être elliptique, auquel cas l'axe long de la partie d'extrémité elliptique peut être disposé dans la direction longitudinale de l'aiguille principale.
PCT/KR2022/007048 2021-05-18 2022-05-17 Aiguille tranchante pour chirurgie de la cataracte WO2022245103A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210064158A KR102631851B1 (ko) 2021-05-18 2021-05-18 백내장 수술용 챠퍼 니들
KR10-2021-0064158 2021-05-18

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WO2022245103A1 true WO2022245103A1 (fr) 2022-11-24

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PCT/KR2022/007048 WO2022245103A1 (fr) 2021-05-18 2022-05-17 Aiguille tranchante pour chirurgie de la cataracte

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007119107A2 (fr) * 2005-08-02 2007-10-25 Takayuki Akahoshi Aiguille de phaco-émulsification
WO2009000959A1 (fr) * 2007-06-28 2008-12-31 Ajl, S.A. Pointe pour aiguille de faco-émulsification
JP2013523223A (ja) * 2010-03-29 2013-06-17 モーレット，ナイジェル 手術器具用の改良された注射針先端
JP5923592B2 (ja) * 2012-02-20 2016-05-24 千寿製薬株式会社 破砕チップ、これを備える眼内手術装置、キャビテーションの発生抑制方法、及び白内障の手術方法
JP2020044289A (ja) * 2018-09-21 2020-03-26 マニー株式会社 眼科用手術器具

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101478463B1 (ko) 2013-10-10 2014-12-31 가천대학교 산학협력단 일루미네이션 차퍼

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007119107A2 (fr) * 2005-08-02 2007-10-25 Takayuki Akahoshi Aiguille de phaco-émulsification
WO2009000959A1 (fr) * 2007-06-28 2008-12-31 Ajl, S.A. Pointe pour aiguille de faco-émulsification
JP2013523223A (ja) * 2010-03-29 2013-06-17 モーレット，ナイジェル 手術器具用の改良された注射針先端
JP5923592B2 (ja) * 2012-02-20 2016-05-24 千寿製薬株式会社 破砕チップ、これを備える眼内手術装置、キャビテーションの発生抑制方法、及び白内障の手術方法
JP2020044289A (ja) * 2018-09-21 2020-03-26 マニー株式会社 眼科用手術器具

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KR20220156304A (ko) 2022-11-25
KR102631851B1 (ko) 2024-01-31

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