FR2544979A1 - Cutting instrument (scissor) for microsurgery and in particular ocular microsurgery - Google Patents

Cutting instrument (scissor) for microsurgery and in particular ocular microsurgery Download PDF

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Publication number
FR2544979A1
FR2544979A1 FR8306861A FR8306861A FR2544979A1 FR 2544979 A1 FR2544979 A1 FR 2544979A1 FR 8306861 A FR8306861 A FR 8306861A FR 8306861 A FR8306861 A FR 8306861A FR 2544979 A1 FR2544979 A1 FR 2544979A1
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FR
France
Prior art keywords
scissors
microsurgery
branches
zone
longitudinal axis
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR8306861A
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French (fr)
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FR2544979B3 (en
Inventor
Jose Luis Menezo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MORIA DUGAST SA
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MORIA DUGAST SA
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 MORIA DUGAST SA filed Critical MORIA DUGAST SA
Priority to FR8306861A priority Critical patent/FR2544979B3/en
Publication of FR2544979A1 publication Critical patent/FR2544979A1/en
Application granted granted Critical
Publication of FR2544979B3 publication Critical patent/FR2544979B3/en
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3201—Scissors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/30—Surgical pincettes without pivotal connections
    • 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
    • A61F9/00754—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments for cutting or perforating the anterior lens capsule, e.g. capsulotomes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00681—Aspects not otherwise provided for
    • A61B2017/00738—Aspects not otherwise provided for part of the tool being offset with respect to a main axis, e.g. for better view for the surgeon

Abstract

a. Cutting instrument (scissor) for microsurgery and in particular ocular microsurgery. b. Characterised in that the cutting part 5 of the two branches 1, 2 is provided with two zones 8, 9 which are offset from the median longitudinal axis X-X of the cutting instrument (scissors) in a plane passing through the hinge axis 3, these two adjacent zones 8, 9 which are called the "intermediate zone" and "end zone", forming with each other an angle, the end zone 9 being inclined at its point 10 towards the median longitudinal axis X-X. c. The invention applies to ocular microsurgery.

Description

Ciseau pour microchirurgie et notamment microchirurgie oculaire.
l'invention concerne un ciseau pour microchirurgie et notamment pour microchirurgie oculaire.Scissors for microsurgery and in particular ocular microsurgery.
the invention relates to a chisel for microsurgery and in particular for ocular microsurgery.

lorsque l'on désire ôter le cristallin d'un oeil pour le remplacer par un cristallin artificiel, on sectionne la cornée suivant au moins la moitié de sa périphérie, on dilate la pupille en écartant l'iris à laide dune substance connue en elle-même et on sectionne la capsule gui entoure le cristallin à la péri phérie de son bord supérieur, après quoi il est possible d'extraire le noyau du cristallin et de le remplacer par un cristallin artifiaiel#
Pour réaliser une telle opération, le chirurgien dispose de ciseaux de microchirurgie mais la forme de ces ciseaux est telle qu'il doit les faire tourner autour du cristallin tout en étant gêner par le rebord de la cavité orbitale.when one wishes to remove the lens from one eye to replace it with an artificial lens, the cornea is sectioned along at least half of its periphery, the pupil is dilated by removing the iris using a substance known in it- same and the capsule which is cut off surrounds the lens at the periphery of its upper edge, after which it is possible to extract the nucleus from the lens and replace it with an artificial lens #
To perform such an operation, the surgeon has microsurgical scissors but the shape of these scissors is such that he must rotate them around the lens while being hampered by the edge of the orbital cavity.

Ces mouvements des ciseaux, qui liapli- quent d'ailleurs 1s nécessité de couper la cornée suivant au moins la moitié de sa périphérie, entraînent en outre un traumatisme important de l'oeil, notamment en endommageant les endothéliums qui tapissent-la paroi interne de la cornée. These movements of the scissors, which also tie the need to cut the cornea along at least half of its periphery, also cause significant trauma to the eye, in particular by damaging the endotheliums lining the inner wall of the cornea.

De plus, au cours de cette opération, il y a une perte importante de liquide aqueux disposé sous la cornée tandis que la ligne de coupe de la capsule du cristallin et des microfibres assurant sa suspension est réalisée bien souvent de manière irrégulière. In addition, during this operation, there is a significant loss of aqueous liquid placed under the cornea while the line of cut of the lens capsule and of the microfibers ensuring its suspension is often produced in an irregular manner.

La présente invention a notamment pour but de remédier à ces inconvénients et concerne à cet effet des ciseaux pour microchirurgie oculaire se composant de deux branches articulées l'une sur l'autre par un axe délimitant sur ces branches une partie de manipulation et de préhension et une partie de coupe, ciseaux caractérisés en ce que la partie de coupe des deux branches est pourvue de deux zones décalées, de l'axe longitudinal médian des ciseaux, dans un plan passant par l'axe d?articulation, ces deux zones adjacentes, dites l'zone intermédiaire" et "zone d 'extrémité" formant entre elles un angle, la zone d'extrémité étant inclinée par sa pointe vers l'axe longitudinal médian. The object of the present invention is in particular to remedy these drawbacks and to this end relates to scissors for ocular microsurgery consisting of two branches articulated one on the other by an axis delimiting on these branches a part for handling and gripping and a cutting part, scissors characterized in that the cutting part of the two branches is provided with two offset zones, from the median longitudinal axis of the scissors, in a plane passing through the articulation axis, these two adjacent zones, say the intermediate zone "and" end zone "forming an angle between them, the end zone being inclined by its point towards the median longitudinal axis.

Suivant une autre caractéristique de l'inventron, la zone intermédiaire et/ou d'extrémité est rectiligne. According to another characteristic of the inventron, the intermediate and / or end zone is rectilinear.

Suivant une autre caractéristique de l'invention, les zones intermédiaire et d'extrémité sont de longueur sensiblement identique. According to another characteristic of the invention, the intermediate and end zones are of substantially identical length.

Suivant une autre caractéristique de l'invention, la partie de coupe des deux branches est sensiblement de section demi-circulaire et délimite, lorsque les ciseaux sont fermés, une partie de coupe conique à section sensiblement circulaires
L'invention est représentée, à titre d'exemple non limitatif, sur les dessins ci-joints, dans lesquels
- la figure 1 est une vue latérale de ciseaux conformes à l'invention
- la figure 2 est une vue de dessus de la figure 1
- la figure 3 est une coupe suivant A-A de la figure 2
- la figure 4 est une coupe suivant B-B de la figure 2 ;
- la figure 5 est une vue en coupe partielle d'un globe oculaire simulant la pénétration des ciseaux conformes à l'invention à l'intérieur de l'oeil pour le sectionnement de la capsule du cristallin.According to another characteristic of the invention, the cutting part of the two branches is substantially of semicircular section and delimits, when the scissors are closed, a conical cutting part of substantially circular section
The invention is shown, by way of non-limiting example, in the accompanying drawings, in which
- Figure 1 is a side view of scissors according to the invention
- Figure 2 is a top view of Figure 1
- Figure 3 is a section along AA of Figure 2
- Figure 4 is a section along BB of Figure 2;
- Figure 5 is a partial sectional view of an eyeball simulating the penetration of the scissors according to the invention inside the eye for cutting the lens capsule.

tes ciseaux conformes à l'invention représentés sur les figures d# 1 à 5 ci-jointes se composent de deux branches 1 et 2 articulées suivant un axe 3, cet axe divisant les ciseaux en deux parties, une partie 4 de préhension et de manipulation et une partie de coupe 5. your scissors according to the invention represented in the figures d # 1 to 5 attached consist of two branches 1 and 2 articulated along an axis 3, this axis dividing the scissors into two parts, a part 4 for gripping and handling and a cutting part 5.

Dans la partie de préhension 4, les deux branches 1 et 2 comportent une zone rigide li, 21 qui est prolongée par une lame déformable élastiquement 12 22, les extrémités libres de ces.deux lames étant étant assem- blées par l'introduction de l'extrémité libre 13 de la lame 12 dans un orifice de forme correspondante réalisé dans l'extrémité 23 de la lame la22. In the gripping part 4, the two branches 1 and 2 comprise a rigid zone li, 21 which is extended by an elastically deformable blade 12 22, the free ends of these two blades being assembled by the introduction of the the free end 13 of the blade 12 in a correspondingly shaped orifice made in the end 23 of the blade la22.

La zone rigide 21 comporte un plot 24 qui, en position de fermeture des ciseaux, vient seappli- quer contre la zone rigide 11 de la branche 1 afin de positionner ces deux branches l'une par rapport à l'autre
Le maintien en position de fermeture de ces ciseaux est assuré par une bague 6 qu'il convient de faire coulisser vers l'axe d'articulation 3 pour ouvrir.The rigid zone 21 comprises a stud 24 which, in the scissors closed position, comes to press against the rigid zone 11 of the branch 1 in order to position these two branches relative to each other
Maintaining the closed position of these scissors is provided by a ring 6 which should be slid towards the hinge pin 3 to open.

les ciseaux.the scissors.

La partie de coupe 5 des deux branches 1
eli 2 comporte une premibre zone 7 qui est disposée suivqnt l'axe longitudinal médian X-X des ciseaux9 cette zone 7 étant suivie d'une zone intermédiaire 8 et d'une zone d'extrémité 9 qui se termine par la pointe 10 des ciseaux.The cutting part 5 of the two branches 1
eli 2 comprises a first zone 7 which is arranged along the median longitudinal axis XX of the scissors9 this zone 7 being followed by an intermediate zone 8 and an end zone 9 which ends in the tip 10 of the scissors.

Les zones 7, 8 et 9 de chacune des#bran- ches 1 et 2 sont réalisées de forme demi-circulaire de façon à constituer ensemble un élément de section circu laire lorsque les ciseaux sont fermés. The zones 7, 8 and 9 of each of the branches # 1 and 2 are made in a semicircular shape so as to constitute together an element of circular section when the scissors are closed.

En outre, cette partie de coupe 5, constituée des zones 7, 8 et 9, est de forme conique cette zone conique à section circulaire se prolongeant de préférence en il, c'est-à-dire au-delà de l'axe 3, cette section circulaire se transformant progressivement en lames planes formant les parties rigides li et 29 des branches 1 et 2
Conformément- à l'invention, la zone intermédiaire 8 et la zone d'extrémité 9 des deux branches sont décalées de 19axe longitudinal médian X-X des ciseaux tout en étant situées dans le plan contenant l'axe d'articulation 3.In addition, this cutting part 5, consisting of zones 7, 8 and 9, is conical in shape, this conical zone with circular section preferably extending in it, that is to say beyond the axis 3 , this circular section gradually transforming into flat blades forming the rigid parts li and 29 of the branches 1 and 2
In accordance with the invention, the intermediate zone 8 and the end zone 9 of the two branches are offset by the median longitudinal axis XX of the scissors while being located in the plane containing the axis of articulation 3.

Ces zones coniques à section demicirculaire 8 et 9 sont rectilignes et forment entre elles la zone intermédiaire 8 et l'axe longitudinal médian Z-X de façon que la zone d'extrémité 9 soit inclinée, par sa pointe 10, vers l'axe longitudinal X-X.  These conical zones with semicircular section 8 and 9 are rectilinear and form between them the intermediate zone 8 and the median longitudinal axis Z-X so that the end zone 9 is inclined, by its tip 10, towards the longitudinal axis X-X.

Ces deux zones 8 et 9 sont de
longueur sensiblement identiques et l'angle B sera compris entre 130 et 1600, tandis que l'angle A sera compris respectivement entre 110 et 1500. These two zones 8 and 9 are of
substantially identical length and the angle B will be between 130 and 1600, while the angle A will be between 110 and 1500 respectively.

la forme particulière de ces ciseaux de microchirurgie permet de réaliser le sectionnement de la capsule 12 qui entoure le noyau de cristallin 13 en 121 à la périphérie de son bord supérieur en faisant pénétrer les ciseaux au travers d'un orifice 14 réalisé à la base de la cornée 15 et en faisant tourner les ciseaux autour de l'axe longitudinal X-X.  the particular shape of these microsurgical scissors makes it possible to cut the capsule 12 which surrounds the lens nucleus 13 at 121 at the periphery of its upper edge by making the scissors penetrate through an orifice 14 made at the base of the cornea 15 and by rotating the scissors around the longitudinal axis XX.

La perforation 14 de la base de la cornée permet de limiter au minimum l'endommagement de l'endothélium et de limiter également la perte de la substance-aqueuse se trouvant en 16 sous la cornée 15 étant donné que l'orifice 14 de la cornée est obturé par les ciseaux
également, compte tenu de cette forme des ciseaux, la partie de préhension 4 est disposée su-dessus du rebord de la cavité orbitale et permet de faciliter les manipulations. The perforation 14 of the base of the cornea makes it possible to limit the damage to the endothelium to a minimum and also to limit the loss of the aqueous substance located at 16 under the cornea 15 since the orifice 14 of the cornea is closed by scissors
also, taking into account this shape of the scissors, the gripping part 4 is arranged above the edge of the orbital cavity and makes it possible to facilitate the manipulations.

Claims (5)

REVEWDICAGI ONSREVEWDICAGI ONS 10) Ciseaux pour microchirurgie oculaire se composant de deux branches (1, 2) articulées l'une sur l'autre par un axe (3) délimitant sur ces branches une partie de manipulation et de préhension (4) et une partie de coupe (5), ciseaux carac térisés en ce que la partie de coupe (5) des deux branches (1, 2) est pourvue de deux zones (8, 9) décalées, de l'axe longitudinal médian (X-X) des ciseaux dans un plan passant par l'axe d'articulation (3), ces deux zones adjacentes (8, 9), dites #one intermédiaire" et "zone d'extrémité formant entre elles un angle, la zone d'extrémité (9) étant inclinée par sa pointe (10) vers l'axe longitudinal médian (XX).  10) Scissors for ocular microsurgery consisting of two branches (1, 2) articulated one on the other by an axis (3) delimiting on these branches a handling and gripping part (4) and a cutting part ( 5), scissors characterized in that the cutting part (5) of the two branches (1, 2) is provided with two zones (8, 9) offset, from the median longitudinal axis (XX) of the scissors in a plane passing through the articulation axis (3), these two adjacent zones (8, 9), called #one intermediate "and" end zone forming an angle between them, the end zone (9) being inclined by its point (10) towards the median longitudinal axis (XX). 20) Ciseaux conformes à la revendi- cation 1, caractérisés en ce que la zone intermédiaire (8) et/ou d'extrémité (9) est rectiligne. 20) Scissors in accordance with claim 1, characterized in that the intermediate (8) and / or end (9) zone is straight. 30) Ciseaux conformes à l'une quelconque des revendications précédentes, caractérisés en ce que les zones intermédiaire et d'extrémité sont de longueur sensiblement identique. 30) Scissors according to any one of the preceding claims, characterized in that the intermediate and end zones are of substantially identical length. 40) Ciseaux conformes à l'une quelconque des revendications précédentes, caractérisés en ce que la partie de coupe (5) des deux branches (1, 2) est sensiblement de section demi-circulaire et délimite, lorsque les ciseaux sont fermés, une partie de coupe conique à section sensiblement circulaire. 40) Scissors according to any one of the preceding claims, characterized in that the cutting part (5) of the two branches (1, 2) is substantially of semicircular section and delimits, when the scissors are closed, a part of conical cut with substantially circular section. 50) Ciseaux conformes à la revendication 1, caractérisés en ce que la zone intermédiaire forme un angle compris entre 130 et 1690 avec l'axe longitudinal médian des ciseaux, la zone d'extrémité formant un angle compris entre 110 et 1500 avec la zone intermédiaire adjacente.  50) Scissors according to claim 1, characterized in that the intermediate zone forms an angle between 130 and 1690 with the median longitudinal axis of the scissors, the end zone forming an angle between 110 and 1500 with the intermediate zone adjacent.
FR8306861A 1983-04-26 1983-04-26 SCISSOR FOR MICROSURGERY AND IN PARTICULAR OCULAR MICROSURGERY Expired FR2544979B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8306861A FR2544979B3 (en) 1983-04-26 1983-04-26 SCISSOR FOR MICROSURGERY AND IN PARTICULAR OCULAR MICROSURGERY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8306861A FR2544979B3 (en) 1983-04-26 1983-04-26 SCISSOR FOR MICROSURGERY AND IN PARTICULAR OCULAR MICROSURGERY

Publications (2)

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FR2544979A1 true FR2544979A1 (en) 1984-11-02
FR2544979B3 FR2544979B3 (en) 1987-05-22

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987005484A1 (en) * 1986-03-18 1987-09-24 Khalil Hanna Microsurgical instrument for use as gripper or scissors
US8137344B2 (en) 2008-12-10 2012-03-20 Alcon Research, Ltd. Flexible, automated capsulorhexis device
US8157797B2 (en) 2009-01-12 2012-04-17 Alcon Research, Ltd. Capsularhexis device with retractable bipolar electrodes
USD707818S1 (en) 2013-03-05 2014-06-24 Alcon Research Ltd. Capsulorhexis handpiece
US8814854B2 (en) 2009-06-03 2014-08-26 Alcon Research, Ltd. Capsulotomy repair device and method for capsulotomy repair
USD737438S1 (en) 2014-03-04 2015-08-25 Novartis Ag Capsulorhexis handpiece
US9125720B2 (en) 2008-10-13 2015-09-08 Alcon Research, Ltd. Capsularhexis device with flexible heating element
US9149388B2 (en) 2010-09-29 2015-10-06 Alcon Research, Ltd. Attenuated RF power for automated capsulorhexis
US9241755B2 (en) 2010-05-11 2016-01-26 Alcon Research, Ltd. Capsule polishing device and method for capsule polishing

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987005484A1 (en) * 1986-03-18 1987-09-24 Khalil Hanna Microsurgical instrument for use as gripper or scissors
FR2595938A1 (en) * 1986-03-18 1987-09-25 Hanna Khalil MICROSURGICAL INSTRUMENT FOR THE USE OF CLAMPS OR SCISSORS
US9125720B2 (en) 2008-10-13 2015-09-08 Alcon Research, Ltd. Capsularhexis device with flexible heating element
US8137344B2 (en) 2008-12-10 2012-03-20 Alcon Research, Ltd. Flexible, automated capsulorhexis device
US8157797B2 (en) 2009-01-12 2012-04-17 Alcon Research, Ltd. Capsularhexis device with retractable bipolar electrodes
US8814854B2 (en) 2009-06-03 2014-08-26 Alcon Research, Ltd. Capsulotomy repair device and method for capsulotomy repair
US9241755B2 (en) 2010-05-11 2016-01-26 Alcon Research, Ltd. Capsule polishing device and method for capsule polishing
US9149388B2 (en) 2010-09-29 2015-10-06 Alcon Research, Ltd. Attenuated RF power for automated capsulorhexis
US9351872B2 (en) 2010-09-29 2016-05-31 Alcon Research, Ltd. Attenuated RF power for automated capsulorhexis
USD707818S1 (en) 2013-03-05 2014-06-24 Alcon Research Ltd. Capsulorhexis handpiece
USD737438S1 (en) 2014-03-04 2015-08-25 Novartis Ag Capsulorhexis handpiece

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Publication number Publication date
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