[go: up one dir, main page]

WO2021195732A1 - Agencement appliqué à un kit de chambre artificielle pour simulation de chirurgie de cataracte - Google Patents

Agencement appliqué à un kit de chambre artificielle pour simulation de chirurgie de cataracte Download PDF

Info

Publication number
WO2021195732A1
WO2021195732A1 PCT/BR2021/050133 BR2021050133W WO2021195732A1 WO 2021195732 A1 WO2021195732 A1 WO 2021195732A1 BR 2021050133 W BR2021050133 W BR 2021050133W WO 2021195732 A1 WO2021195732 A1 WO 2021195732A1
Authority
WO
WIPO (PCT)
Prior art keywords
artificial
cataract
kit
cataract surgery
chamber
Prior art date
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.)
Ceased
Application number
PCT/BR2021/050133
Other languages
English (en)
Portuguese (pt)
Inventor
Leiser Franco De MORAES FILHO
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2021195732A1 publication Critical patent/WO2021195732A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
    • 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 or corneal implants; Artificial eyes
    • A61F2/16—Intraocular lenses
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
    • G09B23/30—Anatomical models
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
    • G09B23/30—Anatomical models
    • G09B23/34—Anatomical models with removable parts

Definitions

  • the present innovation is used in the training segment of ophthalmologic surgeries, more specifically cataract surgery and intraocular lens fixation.
  • a priori two options are available: in vitro practice using the eye of an animal or on a patient during actual surgery.
  • in vitro practice using the eye of an animal or on a patient during actual surgery.
  • the animal's eye in a preserved state may not have the surgical characteristics of a living human patient's eye, and using the eye surgery patient as a laboratory to learn new skills or experiment with new instruments is not desirable.
  • the present invention provides a practice of the cornea simulating dimensional, geometric and mechanical properties of a cornea human.
  • it is formed by a base, an artificial cornea! and a housing, mounted so that the artificial cornea protrudes through the upper portion of the housing.
  • the upper surface is arranged to simulate an artificial iris.
  • the illustrated embodiment also shows a gripping flange or ridge provided to facilitate user manipulation of the simulation system and further adapted to facilitate mounting the housing to cover the base.
  • the embodiment shown also has a lower end that is stabilized on a work surface.
  • the above device is suitable for training the practice of corneal incisions. Constructively it has no structure to simulate training in the practice of cataract surgery, as it does not have enough depth at the top of the base projection to accommodate an artificial cataract, nor does it have a component for joining the artificial cornea and the laminar film that it plays the role of the lens capsule in the fart claimed herein.
  • the "Ophthalmologic phantom system" refers to a simulated human ocular system for the practice of surgical techniques necessary for the removal of cataract lenses, using emulsification of posterior chamber lenses, comprises three connected inner chambers; a first chamber situated between an iris membrane and a corneal membrane and corresponding to an anterior chamber in the human eye, a second chamber situated between said iris membrane and a posterior membrane and corresponding to a posterior chamber in the human eye, and a third chamber, separated from said second chamber by the posterior membrane and corresponding to the vitreous cavity in the human eye; and a cataract lens phantom detachably attached to said orb within said second chamber, the lens phantom comprising a hydroge material! permanent hydrogel material incorporating a water soluble polymer encapsulated within a transparent film, with the permanent hydrogel material comprising a cross-linked gelatin.
  • the objective of this innovation is to propose an artificial chamber, which enables the surgeon in training to improve their skills, using a simulation medium very close to what they will find in the real surgical environment of cataracts;
  • the "LAYOUT APPLIED IN ARTIFICIAL CHAMBER KIT FOR CATARACT SURGERY SIMULATION” deals with a chamber formed by a base with cylindrical projection with an extreme concave finishing end, which allows the positioning of an artificial cataract, reason for this kit of training.
  • the kit includes an artificial cornea made of transparent silicone, a laminar film that plays the role of the lens capsule, a union tower also in silicone and, finally, the ring medium hollow tensioner which is threaded into the aforementioned base.
  • the surgeon in training inserts the cataract in the concave end of the base to then wrap it with the laminar film.
  • the union tower is positioned, which fits, with some interference, into the cylindrical projection, leaving the concave extreme finishing end exposed once said union tower is cast.
  • the artificial cornea is placed over all the aforementioned components, which covers and/or dresses the union tower, thus simulating an eye with cataracts.
  • the procedure for its removal begins.
  • the cornea is made of transparent silicone, the surgeon has a clear view of where to make the microincision to access the artificial cataract, not without first passing through the laminar film that plays the role of the lens capsule. With the access, it is possible to remove the cataract by means already known and, later, insert the intraocular lens in the concave finish.
  • Figure 1 Perspective exploded view of the arrangement applied in an artificial camera kit to simulate cataract surgery
  • Figure 2 Perspective view of the artificial chamber base of the arrangement applied in an artificial chamber kit for cataract surgery simulation
  • Figure 3 Perspective view of the tension ring of the arrangement applied in an artificial camera kit for cataract surgery simulation, with inverted detail;
  • Figure 4 Perspective view of the union tower of the arrangement applied in an artificial camera kit for cataract surgery simulation
  • Figure 5 Perspective view of the artificial cataract of the arrangement applied in an artificial camera kit to simulate cataract surgery
  • Figure 6 Perspective view of the artificial cornea of the arrangement applied in an artificial camera kit to simulate cataract surgery
  • Figure 7 Perspective view of the cataract positioning step on the concave end of the arrangement applied in an artificial chamber kit for cataract surgery simulation
  • Figure 8 Perspective view of the laminar film positioning step of the arrangement applied in an artificial camera kit for cataract surgery simulation
  • Figure 9 Perspective view of the position of the union tower of the arrangement applied in an artificial camera kit for cataract surgery simulation
  • Figure 10 Perspective view of the artificial cornea positioning step of the arrangement applied in an artificial camera kit for cataract surgery simulation
  • Figure 11 Perspective view of the tension ring threading step of the arrangement applied in an artificial chamber kit for cataract surgery simulation
  • Figure 12 Sectional view of the arrangement applied in an artificial camera kit for cataract surgery simulation, assembled with the cataract
  • Figure 13 Perspective view of the microincision step to access the artificial cataract of the arrangement applied in an artificial chamber kit for cataract surgery simulation
  • Figure 14 Perspective view of the step of carrying out the circular opening in the laminar film of the arrangement applied in an artificial camera kit to simulate cataract surgery
  • Figure 15 Perspective view of the circular opening in the laminar film of the arrangement applied in an artificial camera kit to simulate cataract surgery, with artificial cataract
  • Figure 16 Perspective view of the circular opening in the laminar film of the arrangement applied in an artificial camera kit to simulate cataract surgery, without the artificial cataract;
  • Figure 17 Perspective view of the circular opening in the laminar film of the arrangement applied in an artificial camera kit for simulating cataract surgery, with the intraocular lens.
  • the "PROVISION APPLIED IN ARTIFICIAL CHAMBER KIT FOR CATARACT SURGERY SIMULATION" object of this utility model patent application, consists of a kit (1) formed by an artificial chamber (2), which is constituted by a base (3) with extreme concave finish (5), which is threaded into a tension ring (7), which added to the other components of the kit (1), which weighs a laminar film (11), a tower (12 ) union, in silicone, at least and an artificial cornea (14), allows to simulate a cataract surgery for professionals in training.
  • kit (1) comprising an artificial chamber (2) for cataract surgery training, which is constituted by a base (3), preferably circular, with a central cylindrical projection (4) endowed with concave end finish (5) and external lateral thread (6), which is superimposed by a tension ring (7) with central hollow (8) in agreement with the central cylindrical projection (4), tension ring (7) which it has an internal side thread (9) compatible with the external side thread (6) of the base (3), thus enabling the non-definitive union of the parts, base (3) and tension ring (7).
  • an artificial chamber (2) for cataract surgery training which is constituted by a base (3), preferably circular, with a central cylindrical projection (4) endowed with concave end finish (5) and external lateral thread (6), which is superimposed by a tension ring (7) with central hollow (8) in agreement with the central cylindrical projection (4), tension ring (7) which it has an internal side thread (9) compatible with the external side thread (6) of the base (3), thus enabling the non-definitive union of the parts, base (3) and tension ring
  • kits (1) are at least one artificial cataract (10), manufactured with a gum, which takes place in the extreme concave finish (5), a laminar film (11) that plays the role of the lens capsule, a tower (12) of union with planar edge (20), in silicone, which fits with some interference in the cylindrical (4) projection, leaving the end of the extreme concave finish (5) on display, since said tower (12) union is hollow (13) in its upper portion and at least one intraocular lens (19).
  • an artificial cataract (10) manufactured with a gum, which takes place in the extreme concave finish (5)
  • a laminar film (11) that plays the role of the lens capsule
  • a tower (12) of union with planar edge (20) in silicone, which fits with some interference in the cylindrical (4) projection, leaving the end of the extreme concave finish (5) on display, since said tower (12) union is hollow (13) in its upper portion and at least one intraocular lens (19).
  • the kit (1) complements an artificial cornea (14), made of flexible and transparent silicone, equipped with a stepped edge (15) from which a wall protruding from regular cylindrical (16) to externally convex (17 ), of that shape imitating the contour of the human cornea, whose dimensions allow a perfect fit, with some interference, to the union tower (12).
  • the planar edge (20) of the union tower union (12) increases the area of contact with the laminar film (11) and, therefore, optimizes its fixation, while the stepped edge (15) favors the junction and/or overlapping of the artificial cornea (14) to the said tower. union (12).
  • the assembly of the simulated eye with artificial cataract (10) is completed by threading the tension ring (7) with central hollow (8) to the base (3), as shown in figure 11.
  • the training procedure for its removal begins, as illustrated in Figure 13, with the surgeon making a microincision (18) in the artificial cornea (14), which, as it is transparent, allows the professional to view the surgical field perfectly, that is, he has a clear view of the laminar film (11) that plays the role of the lens capsule.
  • the surgeon is able to make a circular opening (21) in the laminar film (11) leaving the artificial cataract (10) accessible through said microincision (18) where it is removed by known means, as illustrated. in figures 14 to 16.
  • the intraocular lens (19) is implanted through the microincision (18) in this location, thus ending the procedure of training.
  • the present innovation is intended to cover all alternatives and variations, modifications and equivalents that may be included in this artificial chamber kit for cataract surgery when a distancing from the proposed inventive concept is not noticeable.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Optimization (AREA)
  • Medical Informatics (AREA)
  • Medicinal Chemistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Algebra (AREA)
  • Computational Mathematics (AREA)
  • Cardiology (AREA)
  • Mathematical Analysis (AREA)
  • Transplantation (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Instructional Devices (AREA)
  • Prostheses (AREA)

Abstract

L'invention consiste en un kit (1) formé par une chambre (2) artificielle, laquelle est constituée par une base (3) à finition terminale concave (5), vissée sur un anneau de tension (7), laquelle, avec les autres composants du kit (1), soit une pellicule (11) lamellaire, une tour (12) de jonction, de préférence en silicone, et une cornée (14) artificielle, permet de simuler une chirurgie de cataracte pour professionnels en formation.
PCT/BR2021/050133 2020-03-31 2021-03-31 Agencement appliqué à un kit de chambre artificielle pour simulation de chirurgie de cataracte Ceased WO2021195732A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRBR2020200065292 2020-03-31
BR202020006529-2U BR202020006529U2 (pt) 2020-03-31 2020-03-31 Disposição aplicada em kit de câmara artificial para simulação de cirurgia de catarata

Publications (1)

Publication Number Publication Date
WO2021195732A1 true WO2021195732A1 (fr) 2021-10-07

Family

ID=77926840

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2021/050133 Ceased WO2021195732A1 (fr) 2020-03-31 2021-03-31 Agencement appliqué à un kit de chambre artificielle pour simulation de chirurgie de cataracte

Country Status (2)

Country Link
BR (1) BR202020006529U2 (fr)
WO (1) WO2021195732A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR202022008406U2 (pt) * 2022-04-30 2023-11-14 Tauanni Cândido Alves E Silva Disposição aplicada a simulador para treinamento cirúrgico em oftalmologia

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6589057B1 (en) * 2000-09-27 2003-07-08 Becton, Dickinson & Company Incision trainer for ophthalmological surgery
US20090291423A1 (en) * 2008-05-22 2009-11-26 Tsutomu Hara Ophthalmologic model
WO2010084595A1 (fr) * 2009-01-22 2010-07-29 株式会社Frontier Vision Système d'oeil simulé pour la formation à la chirurgie de la cataracte
US20130030524A1 (en) * 2010-04-09 2013-01-31 Frontier Vision Co., Ltd. Artificial lens for cataract surgery practice
US20140170623A1 (en) * 2012-12-19 2014-06-19 John S. Jarstad Cataract surgical trainer
US9336692B1 (en) * 2012-08-06 2016-05-10 Stuart Stoll Surgical training eye apparatus
CN110148342A (zh) * 2019-05-30 2019-08-20 贵州奇火科技有限公司 一种用于模拟白内障手术的眼睛模型

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6589057B1 (en) * 2000-09-27 2003-07-08 Becton, Dickinson & Company Incision trainer for ophthalmological surgery
US20090291423A1 (en) * 2008-05-22 2009-11-26 Tsutomu Hara Ophthalmologic model
WO2010084595A1 (fr) * 2009-01-22 2010-07-29 株式会社Frontier Vision Système d'oeil simulé pour la formation à la chirurgie de la cataracte
US20130030524A1 (en) * 2010-04-09 2013-01-31 Frontier Vision Co., Ltd. Artificial lens for cataract surgery practice
US9336692B1 (en) * 2012-08-06 2016-05-10 Stuart Stoll Surgical training eye apparatus
US20140170623A1 (en) * 2012-12-19 2014-06-19 John S. Jarstad Cataract surgical trainer
CN110148342A (zh) * 2019-05-30 2019-08-20 贵州奇火科技有限公司 一种用于模拟白内障手术的眼睛模型

Also Published As

Publication number Publication date
BR202020006529U2 (pt) 2021-10-13

Similar Documents

Publication Publication Date Title
US4865552A (en) Ophthalmologic phantom system
US4762496A (en) Ophthalmologic lens phantom system
US6589057B1 (en) Incision trainer for ophthalmological surgery
US20160063898A1 (en) Ophthalmic surgical simulation system
US8845334B1 (en) Apparatus for practicing ophthalmologic surgical techniques
US10410543B2 (en) Ophthalmic training simulator
JP7629451B2 (ja) 眼用インプラントの外科的訓練のための合成眼球モデル
US9336692B1 (en) Surgical training eye apparatus
WO2009006345A1 (fr) Modèle d'œil humain et mannequin de visage destiné à être utilisé avec celui-ci
ES2396770B2 (es) Método y sistema para la simulación-emulación de visión a través de lentes o dispositivos intraoculares prevía a la girugía
US8308487B2 (en) Model human eye
US4865551A (en) Ophthalmologic phantom system
US4762495A (en) Ophtalmologic lens phantom system
JP2024091872A (ja) 眼科手術練習装置
WO2021195732A1 (fr) Agencement appliqué à un kit de chambre artificielle pour simulation de chirurgie de cataracte
EP4517721A1 (fr) Unité d' il à modèle réutilisable multifonctionnel pour la pratique d'examens intraoculaires et procédures laser ophtalmique
CN112951057B (zh) 眼科玻璃体视网膜手术简化模拟平台
EP0345301A4 (en) Ophthalmologic phantom system
WO2024152092A1 (fr) Simulateur chirurgical ophtalmologique
RU189170U1 (ru) Устройство для фиксации кадаверного глаза в офтальмохирургическом тренажере
BR102022007439A2 (pt) Dispositivo de treinamento para cirurgia oftalmológica
CN223108446U (zh) 白内障超声乳化手术中关于劈核动作的训练工具
WO2021195733A1 (fr) Agencement appliqué à une chambre artificielle pour la simulation d'une chirurgie de transplantation de cornée
JP3024888U (ja) 水槽式模型眼
BR202022008406U2 (pt) Disposição aplicada a simulador para treinamento cirúrgico em oftalmologia

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21781651

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21781651

Country of ref document: EP

Kind code of ref document: A1