WO2001010367A1 - Applicateur de lentille de contact - Google Patents

Applicateur de lentille de contact Download PDF

Info

Publication number
WO2001010367A1
WO2001010367A1 PCT/NZ2000/000147 NZ0000147W WO0110367A1 WO 2001010367 A1 WO2001010367 A1 WO 2001010367A1 NZ 0000147 W NZ0000147 W NZ 0000147W WO 0110367 A1 WO0110367 A1 WO 0110367A1
Authority
WO
WIPO (PCT)
Prior art keywords
cup
contact lens
lens
applicator
interior
Prior art date
Application number
PCT/NZ2000/000147
Other languages
English (en)
Inventor
Alan Trevor Higgins
Original Assignee
Eye-Kair (Nz) Limited
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 Eye-Kair (Nz) Limited filed Critical Eye-Kair (Nz) Limited
Priority to AU67413/00A priority Critical patent/AU6741300A/en
Publication of WO2001010367A1 publication Critical patent/WO2001010367A1/fr

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
    • 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
    • A61F9/0061—Devices for putting-in contact lenses

Definitions

  • This invention relates to a contact lens applicator for placing and removing a contact lens from an eye
  • An intention of this invention is to provide an applicator of simple construction and operation which it is envisaged will facilitate placement and removal of a contact lens from an eye
  • a further intention is to provide the public with a useful choice
  • a contact lens applicator broadly comprising an enclosed hollow body incorporating a resilient exterior wall element and a contact lens locating cup with at least one interior joining aperture being formed through a wall of the cup to the interior of the body, whereby depressing the resilient wall element exhausts a quantity of air from within the interior out through the interior joining aperture(s) enabling, in a first operational mode on presentation of the cup to a lens to seat the lens therein and with relaxation of the depressing action, a suction to be created between the lens and the apertured wall of the cup to thus retain the lens therein, and in a second operational mode with a lens retained in the cup as aforesaid, depression of the resilient wall element to provide a charge of air to relieve the suction and release the lens
  • a contact lens applicator as described in the preceding paragraph wherein the at least one interior joining aperture is disposed radially outward of a central zone of the cup.
  • a contact lens applicator as described in either of the two immediately preceding paragraphs wherein a periphery of the cup is formed by a continuous lip standing proud of the obverse face of the cup.
  • a contact lens applicator as described in any one of the three immediately preceding paragraphs wherein at least one sealing rib is formed on the obverse face of the cup to encircle a central zone of the cup, the rib providing that at least a central section of a contact lens seated therein is spaced adjacent apart from that cup face and also creats a barrier between the central zone and the remainder of the cap.
  • a contact lens applicator as described in the immediately preceding paragraph wherein an apex section of the rib is formed as a featheredge.
  • a contact lens applicator as described in any one of the five immediately preceding paragraphs wherein a removable cap is provided in a wall of the body enabling access to the interior thereof.
  • a contact lens applicator as described in any one of the six immediately preceding paragraphs wherein the body is moulded from resilient material.
  • Fig. 1 is an enlarged longitudinal sectional view
  • Fig. 2 is a similar view to Fig. land depicts a typical operation of the applicator
  • Fig. 3 is a perspective view of the applicator. BEST MODE OF CARRYING OUT THE INVENTION
  • An applicator is preferably made with a unitary hollow body 1 other than for a removable cap 2 enabling access, such as for sterilisation purposes, to an interior 3 of the body 1.
  • the body 1 is preferably moulded for a suitable flexible resilient material such as an inert plastics or rubberised material readily sterilised. As described in more detail below and as indicated on Fig.2 the applicator is intended to be operated (squeezed) between a users thumb and finger.
  • the body 1 is shaped and sized accordingly, preferably being of an elongate closed tubular form approximately 60mm in length and 15mm in diameter.
  • the cap 2 is preferably in the form of a tight fitting plug which may be made of a solid form of the material used in the body 1.
  • the cap 2 is mounted in one end of the body 1 and a contact lens 6 locating cup 5 is incorporated into the opposing end of the body 1.
  • Contact lens locating cup 5 is dimensioned commensurate but smaller than a typical contact lens 6 enabling a contact lens 6 to seat therein with the peripheral edge of the lens standing proud of the cup.
  • An outer periphery of the cup 5 is formed by a continuous lip 7 standing proud of the obverse face of the cup 5.
  • the lip 7 tends to lightly press on the lens adjacently inward of the outer peripheral edge thereof and form the cup 5 into a sucker.
  • the extremity of the lip 7 is of a rounded configuration as depicted to assist seating and sealing on a lens.
  • At least one aperture 8 is provided through the wall 9 forming the cup 5 to the interior 3 of the hollow body 1.
  • a quantity of air can either be expelled out of the interior 3 or drawn there-into through the aperture 8.
  • a plurality of apertures 8 are provided these preferably being spaced radially outward of a central zone 11 of the cup 5.
  • three equally spaced apart apertures 8 are provided adjacently outward of a rib 10 which encircles and defines the central zone 11.
  • the rib 10 provides that a lens 6 or at least a central section thereof seated in the cup 5 is spaced adjacently apart from the obverse face of the cup 5.
  • the rib 10 thus forms a small cavity 12 between a lens 6 seated in the cup 5 and the obverse face of the cup 5.
  • the rib 10 also tends to seal off the cavity 12 and associated central zone 11 from the remainder of the cup 5.
  • the rib 10 thus acts as a barrier against the direct suction action of the device into the central zone 11.
  • the outer extremity of the rib 10 is shaped as a featheredge to provide a flexible skirt that in use deflects (see Fig.2) when impinging onto a contact lens 6.
  • the applicator in use can be held and squeezed such as between a thumb and finger to expel a quantity of air from the interior 3 through the apertures 8.
  • the cup 5 can be presented to a contact lens 6 to seat the lens 6 therein.
  • the body 1 With release of the depressing action the body 1 tends to return to its normal uncompressed state, as depicted in Fig. 1, and a suction is created through the apertures 8.
  • the suction acts on the adjacent face of the lens 6 to retain the lens 6 in the cup 5.
  • This approach is used to pick-up a lens 6 in readiness for placement on an eye and is used to remove a lens 6 from an eye.
  • the body 1 With placement of the lens 6 the body 1 is again squeezed to expel a quantity of air and thereby relieve the suction acting on the lens 6 and release the lens 6 onto the eye.
  • the rib 10 in particularly the featheredge thereof tends to act as a barrier sub- dividing off the cavity 12.
  • the rib 10 thus tends to prevent the direct action of the suction of the applicator acting on the central section of a lens 6.
  • the rib 10 and the associated central zone 11 also tend to form a small-contained sucker.
  • a restricted bleed aperture 13 may be provided through the wall 9 to join the central zone 1 lwith the interior 3 of the body 1. It may be that in use some "bleeding" may take place between the main section of the cup 5 and the cavity 12, that is across rib 10. This is not found to be detrimental to the operation of the applicator and relieves any marginal suction that may have developed in the cavity.

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Coating Apparatus (AREA)

Abstract

L'invention concerne un applicateur servant à poser une lentille de contact sur un oeil ou à la retirer. Cet applicateur comprend un corps (1) constitué d'une matière élastique. Une cuvette (5) située au niveau d'une extrémité du corps permet de retenir une lentille (6). Des orifices (8) se trouvent entre cette cuvette (5) et une cavité interne (3) du corps (1). En pressant sur ce corps (1) puis en le relâchant, de l'air peut être évacué ou aspiré depuis ou vers la cavité interne (3) dudit corps par l'intermédiaire de ces orifices (8). Cela permet de produire (ou d'interrompre) une force d'aspiration exercée sur la lentille dans la cuvette (5) afin d'y retenir ladite lentille (6) ou de la libérer. Une zone centrale (11) de la cuvette (5) est séparée du reste de la cuvette (5) par un élément saillant (10) souple. Cet élément saillant (10) permet ainsi d'éviter que la force d'aspiration soit exercée directement sur la partie centrale de la lentille (6) dans la cuvette (5). Le corps (1) est en outre pourvu d'un capuchon amovible permettant le nettoyage de la cavité interne (3).
PCT/NZ2000/000147 1999-08-04 2000-08-03 Applicateur de lentille de contact WO2001010367A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU67413/00A AU6741300A (en) 1999-08-04 2000-08-03 Contact lens applicator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ33706399 1999-08-04
NZ337063 1999-08-04

Publications (1)

Publication Number Publication Date
WO2001010367A1 true WO2001010367A1 (fr) 2001-02-15

Family

ID=19927423

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2000/000147 WO2001010367A1 (fr) 1999-08-04 2000-08-03 Applicateur de lentille de contact

Country Status (2)

Country Link
AU (1) AU6741300A (fr)
WO (1) WO2001010367A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6739636B2 (en) 2001-05-02 2004-05-25 Medical Instill Technologies, Inc. Contact lens applicator and cartridge used in connection therewith
US7092175B2 (en) 2003-11-17 2006-08-15 Medical Instill Technologies, Inc. Contact lens transfer device and associated method
US7168746B2 (en) 2001-05-02 2007-01-30 Medical Instill Technologies, Inc. Apparatus for applying and removing contact lenses and related method
US9913751B2 (en) * 2016-04-05 2018-03-13 Thomas P. Hopper Lens aid and lens aid system and techniques for the insertion and removal of contact and scleral lenses
US10182938B2 (en) * 2016-04-05 2019-01-22 Thomas P. Hopper Lens AID and lens AID system and techniques for the insertion and removal of contact and scleral lenses
WO2023229478A1 (fr) * 2022-05-26 2023-11-30 Colsia Doo Beograd-Zvezdara Applicateur et dispositif de retrait de lentilles de contact numériques avancées (colsia)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934914A (en) * 1974-07-11 1976-01-27 Carruthers Eben H Device for inserting and removing contact lens
US4071272A (en) * 1976-09-27 1978-01-31 Drdlik Frank J Contact lens applicator
US4123098A (en) * 1977-07-25 1978-10-31 Shoup Leo E Contact lens insertion and retraction device
WO1981001239A1 (fr) * 1979-10-30 1981-05-14 L Shoup Dispositif de mise en place et d'enlevement de verres de contact
DE3308108A1 (de) * 1983-03-08 1984-09-13 Paul 7014 Kornwestheim Schneider Vorrichtung zum aufsetzen von kontaktlinsen auf das auge
FR2712398A1 (fr) * 1993-11-08 1995-05-19 Brettes Robert Ventouse pour verres de contact.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934914A (en) * 1974-07-11 1976-01-27 Carruthers Eben H Device for inserting and removing contact lens
US4071272A (en) * 1976-09-27 1978-01-31 Drdlik Frank J Contact lens applicator
US4123098A (en) * 1977-07-25 1978-10-31 Shoup Leo E Contact lens insertion and retraction device
WO1981001239A1 (fr) * 1979-10-30 1981-05-14 L Shoup Dispositif de mise en place et d'enlevement de verres de contact
DE3308108A1 (de) * 1983-03-08 1984-09-13 Paul 7014 Kornwestheim Schneider Vorrichtung zum aufsetzen von kontaktlinsen auf das auge
FR2712398A1 (fr) * 1993-11-08 1995-05-19 Brettes Robert Ventouse pour verres de contact.

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6739636B2 (en) 2001-05-02 2004-05-25 Medical Instill Technologies, Inc. Contact lens applicator and cartridge used in connection therewith
US7000960B2 (en) 2001-05-02 2006-02-21 Medical Instill Technologies, Inc. Contact lens applicator and cartridge used in connection therewith
US7168746B2 (en) 2001-05-02 2007-01-30 Medical Instill Technologies, Inc. Apparatus for applying and removing contact lenses and related method
US7092175B2 (en) 2003-11-17 2006-08-15 Medical Instill Technologies, Inc. Contact lens transfer device and associated method
US9913751B2 (en) * 2016-04-05 2018-03-13 Thomas P. Hopper Lens aid and lens aid system and techniques for the insertion and removal of contact and scleral lenses
US10182938B2 (en) * 2016-04-05 2019-01-22 Thomas P. Hopper Lens AID and lens AID system and techniques for the insertion and removal of contact and scleral lenses
WO2023229478A1 (fr) * 2022-05-26 2023-11-30 Colsia Doo Beograd-Zvezdara Applicateur et dispositif de retrait de lentilles de contact numériques avancées (colsia)

Also Published As

Publication number Publication date
AU6741300A (en) 2001-03-05

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