WO2010079780A1 - 眼内レンズ挿入器具 - Google Patents
眼内レンズ挿入器具 Download PDFInfo
- Publication number
- WO2010079780A1 WO2010079780A1 PCT/JP2010/050029 JP2010050029W WO2010079780A1 WO 2010079780 A1 WO2010079780 A1 WO 2010079780A1 JP 2010050029 W JP2010050029 W JP 2010050029W WO 2010079780 A1 WO2010079780 A1 WO 2010079780A1
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- WO
- WIPO (PCT)
- Prior art keywords
- intraocular lens
- contact
- lens
- slider
- insertion device
- Prior art date
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Classifications
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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
- A61F2/1662—Instruments for inserting intraocular lenses into the eye
- A61F2/1672—Instruments for inserting intraocular lenses into the eye with a two-stage plunger, e.g. rotatable and pushable or rotatable at different speeds
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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
- A61F2/1662—Instruments for inserting intraocular lenses into the eye
- A61F2/167—Instruments for inserting intraocular lenses into the eye with pushable plungers
Definitions
- the present invention relates to an intraocular lens insertion device for inserting an intraocular lens into an eyeball instead of a lens extracted by cataract surgery.
- the intraocular lens includes a hard intraocular lens whose optical part is made of a hard material such as PMMA, and a soft intraocular lens made of a soft material such as silicone elastomer, soft acrylic, or hydrogel.
- the optical part is made of a soft material and the support part is made of a hard material such as PMMA (the support part shape of this type of intraocular lens is generally in the form of two thin filaments.
- the optical part and the support part are made of the same soft material (the support part of this type is generally plate-like), or the type is a thin plate having a plurality of support parts.
- a dedicated intraocular lens insertion device having a structure for introducing the intraocular lens into the eye through an elongated tube may be used.
- an intraocular lens insertion device it is possible to insert an intraocular lens from an incision wound smaller than 3 mm.
- a support unit (hereinafter referred to as a rear support unit) disposed in the rearward direction of the lens traveling axis pushes out the intraocular lens in the course of movement of the intraocular lens.
- a support unit hereinafter referred to as a rear support unit
- Such a problem is particularly remarkable in a soft intraocular lens having a thin filament-shaped support part and an intraocular lens having a thin plate-like support part.
- a device in which a gap is provided on the plunger tip side portion and the rear support portion is accommodated in the gap to prevent breakage of the rear support portion (for example, Patent Document 2). .
- a rear support portion escape passage provided on the lower side portion of the plunger (for example, Patent Document 3).
- a device in which a rear support portion is pushed up onto a ramp portion by a plunger and a haptic is bent up and bent above an IOL for example, Patent Document 4).
- any of the above-mentioned patent documents can reduce the pinching of the rear support part of the intraocular lens having a thin filament-like or thin plate-like support part.
- WO2007 / 037223 Japanese National Patent Publication No. 11-506357 US Pat. No. 6,733,507 JP 2004-351196 A
- Patent Documents 2 and 3 the gap between the distal end of the plunger and the rear support part that escapes into the passage for the rear support part extend, so the intraocular lens is inserted through a small incision in the eyeball.
- the posterior support part remained outside the incision.
- the support portion is pushed by a small plunger tip adapted to the nozzle tip having a small diameter, so that the intraocular lens moves in the passage when the support portion is bent above the optical portion. At this time, there is a concern that the rear support portion is compressed into an unexpected shape.
- the present invention can appropriately control the movement of the rear support portion during the movement process of the intraocular lens, and can reduce the possibility of re-operation after insertion of the intraocular lens into the eye.
- An object is to provide an intraocular lens insertion device.
- a lens installation unit for installing an intraocular lens having an optical unit and one or more support units provided on an outer edge of the optical unit, and the intraocular lens.
- a transition part to be deformed, a nozzle part for releasing the intraocular lens, a slider for extruding the intraocular lens installed in the lens installation part, and the intraocular lens pushed out by the slider are emitted from the nozzle part
- the slider is provided at a first abutting portion that pushes up the support portion disposed in the rearward direction of the lens traveling axis and an outer edge portion on the rear side of the intraocular lens. It has one or two or more 2nd contact parts which contact
- the invention according to claim 2 of the present invention is characterized in that the second abutting portion is provided outside the first abutting portion with respect to the lens traveling axis.
- the invention according to claim 3 of the present invention is characterized in that the first contact portion is inclined downward in the lens traveling direction.
- the invention according to claim 4 of the present invention is such that at least one of the second contact portions has an x-direction contact surface having a surface substantially perpendicular to the surface of the optical portion, and substantially the surface of the optical portion. And a y-direction contact surface having parallel surfaces.
- the invention according to claim 5 of the present invention is characterized in that a guide portion for guiding an outer edge portion of the optical portion to the second contact portion is provided.
- the invention according to claim 6 of the present invention is characterized in that the second contact portion is provided in a pair of left and right with the lens traveling axis as a center.
- the first abutting portion provided on the slider pushes up the supporting portion disposed in the rearward direction of the lens advancing axis so that the movement of the rear supporting portion is appropriately performed in the movement process of the intraocular lens. And the possibility of re-operation after insertion of the intraocular lens into the eye can be reduced.
- FIG. 1 It is a perspective view showing the whole intraocular lens insertion instrument composition concerning a 1st embodiment of the present invention. It is a perspective view which shows the structure of the slider which concerns on 1st Embodiment of this invention. It is a partial expansion perspective view which shows the structure of the slider which concerns on 1st Embodiment of this invention. It is a figure which shows the use condition (1) of the intraocular lens insertion instrument which concerns on 1st Embodiment of this invention, (A) Plan sectional drawing, (B) Longitudinal sectional drawing.
- FIG. 1 It is a figure which shows the use condition (5) of the intraocular lens insertion instrument which concerns on 1st Embodiment of this invention, (A) Plan sectional drawing, (B) Longitudinal sectional drawing. It is a partial expansion perspective view which shows the structure of the slider which concerns on 2nd Embodiment of this invention. It is a figure which shows the use condition (1) of the intraocular lens insertion instrument which concerns on 2nd Embodiment of this invention, (A) Plan sectional drawing, (B) Longitudinal sectional drawing. It is a figure which shows the use condition (2) of the intraocular lens insertion instrument which concerns on 2nd Embodiment of this invention, (A) Plan sectional drawing, (B) Longitudinal sectional drawing.
- An intraocular lens insertion device 1 shown in FIG. 1 includes a main body 2, a slider 3 and a plunger 4 attached to the main body 2, and is a preset type in which an intraocular lens 5 is installed in the main body 2 in advance.
- the intraocular lens 5 includes an optical part 6 and a pair of support parts 7 provided on the outer edge of the optical part 6.
- the support portion 7 various types can be used. For example, a thin plate type can be used.
- an axis passing through the center of the intraocular lens 5 moving within the main body 2 is defined as a lens advancing axis A, the direction in which the intraocular lens 5 travels is “traveling direction x”, and the downward direction is “direction y”.
- the main body 2 includes a proximal end portion 8 and an insertion tube portion 9 connected to the distal end of the proximal end portion 8 in the traveling direction x.
- a lens installation portion made of a plate-like member is formed at the distal end of the proximal end portion 8 in the traveling direction x, and the intraocular lens 5 is installed in the lens installation portion.
- a slit 12 is formed on the side surface of the base end portion 8 so as to be parallel to the lens traveling axis A and extend to the tip.
- the insertion tube portion 9 is integrally connected to the distal end of the base end portion 8, whereby the intraocular lens 5 installed in the lens installation portion of the base end portion 8 is disposed inside.
- the insertion tube portion 9 is provided with a transition portion 10 and a nozzle portion 11 in this order along the lens advancing axis A.
- the transition portion 10 is formed in a mortar shape whose inner wall tapers toward the tip, and the tip communicates with the nozzle portion 11.
- the nozzle portion 11 has an outer shape that can be inserted into an incision wound (not shown).
- the intraocular lens insertion device 1 is first folded by a slider 3 into a predetermined shape by pushing the intraocular lens 5 installed in the lens installation section with the slider 3 and moving it to the transition section 10.
- the intraocular lens 5 is pushed out and moved to the nozzle unit 11 so that the intraocular lens 5 can be folded into a smaller size and inserted into the eye from the tip of the nozzle unit 11.
- the intraocular lens insertion device 1 divides the intraocular lens 5 into a predetermined shape while moving the intraocular lens 5 in the traveling direction x in two steps in the order of the slider 3 and the plunger 4. It is comprised so that discharge
- the slider 3 attached to the main body 2 will be described. As shown in FIG. 2, the slider 3 pushes the intraocular lens 5 installed in the lens installation unit to the transition unit 10 without applying a local load to the intraocular lens 5 and can be folded into a predetermined shape. It is configured to be able to.
- the slider 3 includes a guide groove 15, a wing part 16, an operation part 17, and a lens pressing part 18.
- the guide groove 15 is configured to support the plunger 4 along the lens traveling axis A.
- the guide groove 15 is formed so that the plunger 4 can slide and the tip of the plunger 4 can protrude from the tip of the slider 3.
- the guide groove 15 is substantially the center in the length direction of one surface of the slider 3, is formed over the entire length, and is constituted by a groove parallel to the lens traveling axis A.
- the cross section of the guide groove 15 is formed in substantially the same shape as the outer shape of the plunger 4.
- a fan-shaped introduction path 15a is formed. Thereby, the plunger 4 is inserted into the guide groove 15 formed in the slider 3 and slides in the guide groove 15 in the longitudinal direction of the slider 3.
- the wing portion 16 is inserted into a slit 12 provided in the main body 2 and is configured to support the slider 3 along the lens traveling axis A.
- the wing portion 16 is inserted into the slit 12 so as to hold the slider 3 substantially at the center of the main body 2 and to move the slider 3 along the lens advancing axis A. Therefore, the plunger 4 is held in the center of the main body 2 by being inserted into the guide groove 15 formed in the slider 3 and can be moved along the lens traveling axis A.
- the slider 3 can be easily moved by the operation unit 17.
- the operating portion 17 is provided as a pair on the left and right sides with respect to the lens traveling axis A, and is formed so as to be connected to the side end portion of the wing portion 16 and project from the base end portion 8 to both sides.
- the lens pressing unit 18 is configured to be able to fold the intraocular lens 5 in a certain direction by pressing one surface of the intraocular lens 5 only when the intraocular lens 5 is pushed out.
- the lens pressing portion 18 pushes one surface of the intraocular lens 5 that becomes the front surface when inserted into the eye in the direction y, so that the intraocular lens 5 has one surface inside the nozzle portion 11. Folded as.
- the lens pressing portion 18 is composed of a plate-like member provided at the tip of the slider 3 and is formed to be swingable in the direction y.
- the slider 3 includes a support portion 7 (hereinafter referred to as a rear support portion 7a) disposed in the rearward direction of the lens advancing axis A with respect to the optical portion 6, as shown in FIG.
- the first contact portion 21 is pushed up, and the second contact portions 22a and 22b are in contact with the outer edge portion on the rear side of the optical portion 6.
- the first contact portion 21 is formed of an inclined surface that is formed in the center of the tip of the slider 3 and is inclined in the direction y toward the traveling direction x.
- a guide groove 15 is opened at the center of the first contact portion 21, and the tip of the plunger 4 can protrude from the guide groove 15 in the traveling direction x.
- a restricting portion 23 is formed at the tip of the first contact portion 21. The restricting portion 23 prevents the rear support portion 7a from being deformed in the direction y and being sandwiched between the slider 3 and the main body 2 to damage the rear support portion 7a.
- the restricting portion 23 is formed so as to protrude in the traveling direction x from the lower end of the inclined surface.
- the second contact portions 22a and 22b are provided on both sides of the first contact portion 21, respectively, and are configured to be able to contact the outer periphery of the optical portion 6 of the intraocular lens 5.
- the second contact portions 22a and 22b are formed so as to protrude from the tip of the slider 3 in the traveling direction x, and at least one of the 22a is connected to the support portion 7 and the optical portion 6 from the lens traveling axis A. It is comprised so that it can contact
- the second contact portions 22a, 22b have an x-direction contact surface 24 and a y-direction contact surface 25.
- the x-direction contact surface 24 is formed by a surface perpendicular to the surface of the optical unit 6 and is formed so that the outer periphery of the optical unit 6 can be pushed out.
- the y-direction contact surface 25 is formed of a surface parallel to the surface of the optical unit 6 and suppresses the surface near the outer periphery of the optical unit 6 from being folded before the rear support portion 7a is sufficiently deformed. Shaped to get.
- the first contact portion 21 and the second contact portion 22a are connected to the slider 3 having a larger area in contact with the intraocular lens 5 than that of the plunger 4. , 22b can appropriately control the movement of the rear support portion 7a during the movement process of the intraocular lens 5 and reduce the possibility of re-operation after the intraocular lens 5 is inserted into the eye. be able to.
- the intraocular lens 5 is installed in the state where the optical unit 6 is arranged in parallel with the lens advancing axis A. ( Figure 4).
- the slider 3 is moved in the traveling direction x. Then, the first contact portion 21 formed at the tip of the slider 3 contacts the rear support portion 7a (FIG. 5).
- the rear support portion 7a is pushed up by the first contact portion 21 having an inclined surface (FIG. 6).
- the x-direction contact surfaces 24 of the second contact portions 22a and 22b contact and push the optical portion 6 to move the intraocular lens 5 from the lens installation portion to the transition portion 10.
- the outer periphery of the optical unit 6 is pushed against the inner wall of the transition unit 10.
- the lens pressing portion 18 is pressed against the inner wall of the transition portion 10 and presses one surface of the optical portion 6 in the direction y. In this way, the optical part 6 of the intraocular lens 5 is folded.
- the y-direction contact surfaces 25 of the second contact portions 22a and 22b are formed so as to prevent the surface near the outer periphery of the optical portion 6 from being folded, so that the rear support portion 7a.
- the intraocular lens insertion device 1 can more reliably allow the rear support portion 7a to enter the one surface side of the optical part 6 that is folded, so that the intraocular lens 5 is more reliably deformed into a predetermined shape. be able to.
- the intraocular lens insertion device 1 can more reliably deform the intraocular lens 5 into a predetermined shape.
- the intraocular lens 5 moves from the transition portion 10 to the nozzle portion 11 (FIG. 8), and in a state where it is folded to a smaller extent, Released from the tip to the outside.
- the intraocular lens insertion device 1 can appropriately control the movement of the posterior support portion 7a during the movement process of the intraocular lens 5 by pushing up the posterior support portion 7a at the first contact portion 21. The possibility of re-operation after the intraocular lens 5 is inserted into the eye can be reduced.
- the contact area with the rear support portion 7a can be increased. Therefore, in the intraocular lens insertion device 1 according to the present embodiment, the rear support portion 7a can be more stably deformed, so that the rear support portion 7a can be more appropriately controlled.
- the slider 30 shown in FIG. 9 at least one of the second abutting portions 22a and 22b abuts on the outer periphery of the optical portion 6 between the connecting portion between the rear support portion 7a and the optical portion 6 and the lens traveling axis A. It is comprised so that it may touch. Further, the slider 30 has a cut-out hole 31 formed on the side surface, and is configured so that the rear support portion 7a can be inserted from the outside toward the inside.
- the operation unit 17 is grasped and the slider 30 is moved in the traveling direction x.
- the first contact portion 21 formed at the tip of the slider 30 contacts the rear support portion 7a.
- the rear support portion 7a When the slider 30 is further moved in the advancing direction x, the rear support portion 7a is pushed up, and at the same time, the x-direction abutting surface 24 of the second abutting portion 22 abuts against the optical portion 6 and pushes out. Moves from the lens installation section to the transition section 10. Then, the optical unit 6 is folded by the outer periphery being pressed against the inner wall of the transition unit 10 and one surface of the optical unit 6 being pressed in the direction y by the lens pressing unit 18 (FIG. 10).
- the intraocular lens 5 moves from the transition part 10 to the nozzle part 11 (FIG. 12), and in the state of being folded smaller, the tip of the nozzle part 11 To the outside.
- the movement of the rear support portion 7a can be appropriately controlled in the moving process of the intraocular lens 5 in the present embodiment as well as the first embodiment, and the eye of the intraocular lens 5 can be controlled.
- the possibility of re-operation after insertion into the inside can be reduced.
- the slider 40 guides the first contact portion 21, the second contact portions 22a and 22b, and the optical portion 6 to the second contact portion 22b. And a guiding portion 41 to be operated.
- the second contact portion 22b is provided on the opposite side of the connecting portion between the rear support portion 7a and the optical portion 6, and is configured to be able to contact the optical portion 6 or the outer periphery of the optical portion 6.
- the second contact portion 22b includes an x-direction contact surface 24 and a y-direction contact surface 25.
- the second contact portion 22a has only the x-direction contact surface 24.
- the y-direction contact surface 25 of the second contact portion 22b is formed in substantially the same plane as the restriction portion 23 or at a position away from the restriction portion 23 in the direction y. In the case of this embodiment, the y-direction contact surface 25 is formed in the same plane as the restricting portion 23.
- the guiding portion 41 is composed of an inclined surface that is inclined in the direction opposite to the direction y toward the traveling direction x.
- the lower end of the guide portion 41 is connected to the y-direction contact surface 25.
- the plunger 44 having a shape as shown in FIG. 14 can be used.
- the intraocular lens 5 is installed in a lens installation unit (not shown) in a state where the optical unit 6 is arranged in parallel with the lens traveling axis A (FIG. 15).
- the slider 40 is moved in the traveling direction x. Then, the first contact portion 21 formed at the tip of the slider 40 contacts the rear support portion 7a (FIG. 16).
- the rear support portion 7a is pushed up because the first contact portion 21 has an inclined surface (FIG. 17).
- the guide part 41 presses one surface of the optical part 6 in the direction y.
- the optical unit 6 is guided to the second contact portion 22b.
- the x-direction contact surface 24 of the second contact portion 22b and the x-direction contact surface 24 of the second contact portion 22a come into contact with and push out the optical portion 6, thereby causing the intraocular lens 5 to move. Move from the lens installation unit to the transition unit 10.
- the slider 40 is configured to guide the optical part 6 to the second contact part 22b by the guide part 41, the second contact part 22b can be contacted to the optical part 6 more reliably. Therefore, the intraocular lens 5 can be pushed out more reliably.
- the outer periphery of the optical part 6 is pushed against the inner wall of the transition part 10. Further, the lens pressing portion 18 is pressed against the inner wall of the transition portion 10 and presses one surface of the optical portion 6 in the direction y. In this way, the optical part 6 of the intraocular lens 5 is folded.
- the y-direction contact surface 25 of the second contact portion 22b is formed so as to prevent the surface near the outer periphery of the optical portion 6 from being folded, so that the deformation of the rear support portion 7a In the process, it is possible to prevent the outer periphery of the optical part 6 from interfering with the rear support part 7a.
- the y-direction contact surface 25 is formed in the same plane as the restricting portion 23, so that the outer periphery of the optical portion 6 is deformed by the restricting portion 23 and the first contact portion 21. Deformation in the direction opposite to the direction y from the support portion 7a is suppressed. Therefore, the slider 40 can more reliably prevent the outer periphery of the optical part 6 from interfering with the rear support part 7a, so that the intraocular lens 5 can be more reliably deformed into a predetermined shape.
- the intraocular lens 5 moves from the transition portion 10 to the nozzle portion 11 (FIG. 19), and in a state of being folded to a smaller extent, Released from the tip to the outside.
- the slider 40 according to the present embodiment includes the first abutting portion 21 and the restricting portion 23, so that the same effect as that of the first embodiment can be exhibited.
- the present invention is not limited to the above-described embodiment, and can be appropriately changed within the scope of the gist of the present invention.
- a case where a total of two second contact portions is provided has been described, but the present invention is not limited to this, and may be one, or three or more.
- the present invention is not limited to this, and is asymmetric, for example, one second contact portion is the other second contact portion. It is good also as protruding from the 2 contact part long to the advancing direction x. By doing in this way, since the intraocular lens 5 can be rotated a little with respect to an optical axis, control of the support part arrange
Abstract
Description
(1)基本的構成
以下、図面を参照して本発明の実施形態について詳細に説明する。
次に上記した本体2に取付けられているスライダー3について、説明する。図2に示すように、スライダー3は、眼内レンズ5に局所的な負荷をかけずにレンズ設置部に設置された当該眼内レンズ5を移行部10へ押し出すと共に、所定形状に折り畳むことができるように構成されている。このスライダー3は、ガイド溝15、翼部16、操作部17及びレンズ押え部18を有する。
上記のように構成された眼内レンズ挿入器具1において、眼内レンズ5は、光学部6がレンズ進行軸Aと平行に配置された状態で、内部に設置されている(図4)。このようにして、予め内部に配置された眼内レンズ5をノズル部11の先端から外部へ放出するには、先ず、スライダー3を進行方向xへ移動させる。そうすると、スライダー3の先端に形成された第1当接部21が、後方支持部7aに当接する(図5)。
以下図面を参照して本発明の第2実施形態について説明する。尚、本第2実施形態は、上記した第1実施形態に対し、スライダー3の先端部分の構成のみが異なる。従って、上記第1実施形態と同様の構成については同様の符号を付し、簡単のため、説明を省略する。
本実施形態に係るスライダー40は、図13に示すように、第1当接部21と、第2当接部22a,22bと、光学部6を第2当接部22bへ誘導する誘導部41とを有する。第2当接部22bは、後方支持部7aと光学部6の接続部分とは反対側に設けられており、光学部6または光学部6の外周に当接し得るように構成されている。また、第2当接部22bは、x方向当接面24と、y方向当接面25とを有する。一方、第2当接部22aは、x方向当接面24のみを有する。
本発明は上記した実施形態に限定されるものではなく、本発明の趣旨の範囲内で適宜変更することが可能である。例えば、上記した実施形態では、第2当接部が合計2個設けられた場合について説明したが、本発明はこれに限らず、1個、又は3個以上としてもよい。
2 本体
3 スライダー
4 プランジャー
5 眼内レンズ
6 光学部
7 支持部
7a 後方支持部
21 第1当接部
22 第2当接部
x 進行方向
y 方向(下方向)
A レンズ進行軸
Claims (6)
- 光学部と、前記光学部の外縁に設けられた一又は二以上の支持部とを有する眼内レンズを設置するレンズ設置部と、
前記眼内レンズを変形させる移行部と、
前記眼内レンズを放出するノズル部と、
前記レンズ設置部に設置された眼内レンズを押出すスライダーと、
前記スライダーにより押し出された前記眼内レンズを前記ノズル部から放出するプランジャーと
を備える眼内レンズ挿入器具において、
前記スライダーは、レンズ進行軸の後方向に配置された前記支持部を押し上げる第1当接部と、前記眼内レンズの後方側の外縁部に当接する一又は二以上の第2当接部と
を有することを特徴とする眼内レンズ挿入器具。 - 前記第2当接部が、レンズ進行軸に対して前記第1当接部よりも外側に設けられたことを特徴とする請求項1記載の眼内レンズ挿入器具。
- 前記第1当接部が、レンズ進行方向に向かって下方へ傾斜していることを特徴とする請求項1又は2記載の眼内レンズ挿入器具。
- 少なくとも一つの前記第2当接部が、
前記光学部の表面に対し略直角な面を有するx方向当接面と、
前記光学部の表面に対し略平行な面を有するy方向当接面と
を有することを特徴とする請求項1~3のいずれか1項に記載の眼内レンズ挿入器具。 - 前記第2当接部へ前記光学部の外縁部を誘導する誘導部が設けられていることを特徴とする請求項1~4のいずれか1項に記載の眼内レンズ挿入器具。
- 前記第2当接部が、レンズ進行軸を中心として左右一対設けられていることを特徴とする請求項1~5のうちいずれか1項に記載の眼内レンズ挿入器具。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080006998.6A CN102307543B (zh) | 2009-01-07 | 2010-01-05 | 眼内透镜插入器具 |
JP2010545764A JP5413918B2 (ja) | 2009-01-07 | 2010-01-05 | 眼内レンズ挿入器具 |
US13/143,322 US8603103B2 (en) | 2009-01-07 | 2010-01-05 | Intraocular lens insertion device |
EP10729200.5A EP2386272B1 (en) | 2009-01-07 | 2010-01-05 | Intraocular lens insertion device |
SG2011049285A SG172876A1 (en) | 2009-01-07 | 2010-01-05 | Intraocular lens insertion device |
US14/099,989 US9655718B2 (en) | 2009-01-07 | 2013-12-08 | Intraocular lens insertion device |
US15/600,684 US9901442B2 (en) | 2009-01-07 | 2017-05-19 | Intraocular lens insertion device |
US15/600,679 US9877826B2 (en) | 2009-01-07 | 2017-05-19 | Intraocular lens insertion device |
Applications Claiming Priority (2)
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US14/099,989 Continuation US9655718B2 (en) | 2009-01-07 | 2013-12-08 | Intraocular lens insertion device |
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JP (1) | JP5413918B2 (ja) |
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Also Published As
Publication number | Publication date |
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CN102307543B (zh) | 2015-10-21 |
US20140194890A1 (en) | 2014-07-10 |
US20110288557A1 (en) | 2011-11-24 |
CN102307543A (zh) | 2012-01-04 |
EP2386272A4 (en) | 2014-01-15 |
SG172876A1 (en) | 2011-08-29 |
US8603103B2 (en) | 2013-12-10 |
JPWO2010079780A1 (ja) | 2012-06-21 |
US20170252150A1 (en) | 2017-09-07 |
US9877826B2 (en) | 2018-01-30 |
EP2386272A1 (en) | 2011-11-16 |
US9901442B2 (en) | 2018-02-27 |
EP2386272B1 (en) | 2024-03-20 |
JP5413918B2 (ja) | 2014-02-12 |
US20170252149A1 (en) | 2017-09-07 |
US9655718B2 (en) | 2017-05-23 |
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