CA2902800C - Device providing enlargement & preventing collapse of the pupil of the eye - Google Patents

Device providing enlargement & preventing collapse of the pupil of the eye Download PDF

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Publication number
CA2902800C
CA2902800C CA2902800A CA2902800A CA2902800C CA 2902800 C CA2902800 C CA 2902800C CA 2902800 A CA2902800 A CA 2902800A CA 2902800 A CA2902800 A CA 2902800A CA 2902800 C CA2902800 C CA 2902800C
Authority
CA
Canada
Prior art keywords
ring
notches
corners
flanges
pupil
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.)
Active
Application number
CA2902800A
Other languages
English (en)
French (fr)
Other versions
CA2902800A1 (en
Inventor
Suven BHATTACHARJEE
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.)
Med Invent Devices Private Ltd
Original Assignee
Med Invent Devices Private Ltd
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 Med Invent Devices Private Ltd filed Critical Med Invent Devices Private Ltd
Publication of CA2902800A1 publication Critical patent/CA2902800A1/en
Application granted granted Critical
Publication of CA2902800C publication Critical patent/CA2902800C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
    • A61B17/0231—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors for eye surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
    • A61B17/0293—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors with ring member to support retractor elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00831—Material properties
    • A61B2017/00862—Material properties elastic or resilient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
    • A61B2017/0287—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors with elastic retracting members connectable to a frame, e.g. hooked elastic wires

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Eye Examination Apparatus (AREA)
  • Prostheses (AREA)
CA2902800A 2013-02-27 2013-07-23 Device providing enlargement & preventing collapse of the pupil of the eye Active CA2902800C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN225/KOL/2013 2013-02-27
IN225KO2013 2013-02-27
PCT/IN2013/000457 WO2014132264A1 (en) 2013-02-27 2013-07-23 Device providing enlargement & preventing collapse of the pupil of the eye

Publications (2)

Publication Number Publication Date
CA2902800A1 CA2902800A1 (en) 2014-09-04
CA2902800C true CA2902800C (en) 2018-03-13

Family

ID=49293802

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2902800A Active CA2902800C (en) 2013-02-27 2013-07-23 Device providing enlargement & preventing collapse of the pupil of the eye

Country Status (10)

Country Link
US (1) US10080558B2 (https=)
EP (1) EP2961329B1 (https=)
JP (1) JP6233728B2 (https=)
KR (1) KR101865629B1 (https=)
CN (1) CN105142535B (https=)
AU (1) AU2013380203B2 (https=)
CA (1) CA2902800C (https=)
ES (1) ES2668292T3 (https=)
SG (1) SG11201508026RA (https=)
WO (1) WO2014132264A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8323296B2 (en) * 2007-03-15 2012-12-04 Boris Malyugin Ring used in a small pupil phacoemulsification procedure
US9918710B2 (en) 2007-03-15 2018-03-20 Microsurgical Technology, Inc. Expansion ring for eyeball tissue
CA2902800C (en) 2013-02-27 2018-03-13 Suven BHATTACHARJEE Device providing enlargement & preventing collapse of the pupil of the eye
WO2015199996A1 (en) * 2014-06-26 2015-12-30 The Regents Of The University Of Colorado, A Body Cororate Ocular tissue expansion ring
US9504459B1 (en) 2015-06-30 2016-11-29 Ravi Nallakrishnan Revocable Trust Surgical apparatus and method of use thereof
KR102211425B1 (ko) * 2017-10-16 2021-02-04 서울대학교산학협력단 수술용 보호용구
US11759101B2 (en) * 2019-03-15 2023-09-19 Modern Surgical Solutions Llc Retractor for vaginal repair
CN109998613A (zh) * 2019-04-19 2019-07-12 郑州大学第一附属医院 可减少角膜切口创伤的虹膜扩张装置
CN112998784A (zh) * 2021-03-04 2021-06-22 中国人民解放军陆军军医大学第一附属医院 外切口撑开及稳定装置

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037589A (en) 1975-10-03 1977-07-26 William U. McReynolds Ocular surgical system
US4321916A (en) * 1980-03-26 1982-03-30 Mckee Douglas C Eyelid retractor
US4782820A (en) 1987-10-22 1988-11-08 Woods Randall L Iris retaining device
US5163419A (en) 1991-04-04 1992-11-17 Goldman Kenneth N Device for expanding the pupil of a human eye
US5318011A (en) 1992-02-04 1994-06-07 Escalon Ophthalmics, Inc. Iris protector/dilator and method of using the same
US5267553A (en) 1992-02-18 1993-12-07 Graether John M Pupil expander and method of using the same
US5299564A (en) 1992-09-23 1994-04-05 Kabi Pharmacia Ophthalmics Inc. Expandable dilator and method for intraocular surgery
US5374272A (en) * 1993-06-29 1994-12-20 Vitrophage, Inc. Apparatus and method for mechanically dilating the pupil of an eye
AUPP747398A0 (en) 1998-12-03 1998-12-24 Milvella Pty Ltd Device for dilating a pupil and/or maintaining a pupil in a dilated state
US6648819B2 (en) 2001-11-15 2003-11-18 Yau Wing Lee Pupil dilator
US7985180B2 (en) * 2006-11-08 2011-07-26 Reay H Brown Eyelid retractor
US8323296B2 (en) 2007-03-15 2012-12-04 Boris Malyugin Ring used in a small pupil phacoemulsification procedure
US20120289786A1 (en) * 2010-11-09 2012-11-15 Microsurgical Technology, Inc. Extension ring for eyeball tissue
US9918710B2 (en) * 2007-03-15 2018-03-20 Microsurgical Technology, Inc. Expansion ring for eyeball tissue
US20080243139A1 (en) 2007-03-15 2008-10-02 Vaclav Dusek Method for assembling a ring used in a small pupil phaco procedure
US9610072B2 (en) 2009-11-02 2017-04-04 Apx Opthalmology Ltd. Iris retractor
CA2779500A1 (en) 2009-11-02 2011-05-05 Ehud Assia Iris retractor
WO2012030968A1 (en) 2010-08-31 2012-03-08 Renovocyte, LLC Systemic, allogenic stem cell therapies for treatment of diseases in animals
WO2012037550A1 (en) * 2010-09-17 2012-03-22 Henry Ford Health System Pupil ring
US8439833B2 (en) 2011-10-18 2013-05-14 Oasis Medical, Inc. Ophthalmic structure
US8852091B2 (en) 2012-04-04 2014-10-07 Alcon Research, Ltd. Devices, systems, and methods for pupil expansion
US8496583B1 (en) * 2012-11-03 2013-07-30 Michael Reynard Pupil dilation system
US20140221759A1 (en) 2013-02-06 2014-08-07 Impex, Inc. Pupil expansion apparatus
US20150164685A1 (en) 2013-02-27 2015-06-18 Suven Bhattacharjee Pupil expansion device
CA2902800C (en) 2013-02-27 2018-03-13 Suven BHATTACHARJEE Device providing enlargement & preventing collapse of the pupil of the eye
JP6064081B2 (ja) 2013-03-15 2017-01-18 ビーバー−ビジテック インターナショナル （ユーエス） インコーポレイテッド 虹彩拡張器
JP5528600B1 (ja) 2013-03-29 2014-06-25 株式会社Ｆｒｏｎｔｉｅｒ Ｖｉｓｉｏｎ 瞳孔拡張器
US20140378773A1 (en) 2013-06-19 2014-12-25 Ronald Dykes Intraocular Expansion and Retention Devices and Methods

Also Published As

Publication number Publication date
JP2016511680A (ja) 2016-04-21
US20150351736A1 (en) 2015-12-10
US10080558B2 (en) 2018-09-25
JP6233728B2 (ja) 2017-11-22
KR20150128762A (ko) 2015-11-18
HK1218703A1 (en) 2017-03-10
CN105142535B (zh) 2017-12-29
EP2961329B1 (en) 2018-02-21
AU2013380203B2 (en) 2017-04-06
EP2961329A1 (en) 2016-01-06
CN105142535A (zh) 2015-12-09
AU2013380203A1 (en) 2015-10-22
SG11201508026RA (en) 2015-10-29
ES2668292T3 (es) 2018-05-17
KR101865629B1 (ko) 2018-06-11
CA2902800A1 (en) 2014-09-04
WO2014132264A1 (en) 2014-09-04

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