CA2326009A1 - Prepackaged contact lens wearer hand neutralizing towelette and contact lens rewetting agent - Google Patents

Prepackaged contact lens wearer hand neutralizing towelette and contact lens rewetting agent Download PDF

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Publication number
CA2326009A1
CA2326009A1 CA 2326009 CA2326009A CA2326009A1 CA 2326009 A1 CA2326009 A1 CA 2326009A1 CA 2326009 CA2326009 CA 2326009 CA 2326009 A CA2326009 A CA 2326009A CA 2326009 A1 CA2326009 A1 CA 2326009A1
Authority
CA
Canada
Prior art keywords
contact lens
user
sheet
towelette
eye
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.)
Abandoned
Application number
CA 2326009
Other languages
French (fr)
Inventor
R. Scott Dotson
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
Priority to CA 2326009 priority Critical patent/CA2326009A1/en
Publication of CA2326009A1 publication Critical patent/CA2326009A1/en
Abandoned legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L12/00Methods or apparatus for disinfecting or sterilising contact lenses; Accessories therefor
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/049Cleaning or scouring pads; Wipes
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005Other compounding ingredients characterised by their effect
    • C11D3/0078Compositions for cleaning contact lenses, spectacles or lenses

Abstract

A prepackaged disposable towelette and saline solution each separably held within a disposable sealed package. The towelette is presaturated with a neutralizing solution so that, as finger residue is rubbed off and absorbed into the fabric of the towelette, the finger skin pH is also substantially neutralized which minimizes eye irritation each time a contact lens user reinstalls each contact lens.
The saline solution, held within a separate hermetically sealed ampule, rewets each contact lens before contact lens installation to further reduce eye irritation.

Description

PREPACKAGED CONTACT LENS WEARER HAND NEUTRALIZING
TOWELETTE AND CONTACT LENS REWETTING AGENT
This invention relates generally to premoistened and prepackaged towelettes, and more particularly for. a prepackaged contact lens wearer hand cleaning and neutralizing handwipe or towelette and contact lens rewetting solution.
A great variety of prepackaged and premoistened towelettes are currently available in the marketplace and otherwise known through prior U.S. patents.
Some of these prior art teachings are directed to the particular formulation of the to disposable sheet material while others are directed to prepackaged towelettes or handwipes bearing unique solutions and other features for the particular intended purpose.
The following U.S. patent describes this known prior art technology as follows.
U.S. Patent No. 4,220,244 issued to Elmore U.S. Patent No. 4,533,399 issued to Mendce U.S. Patent No. 4,622,258 issued to Mencke U.S. Patent No. 4,627,936 issued to Gould et al.
2 o U.S. Patent No. 4,678,698 issued to Mencke U.S. Patent No. 4,779,300 issued to Pompe U.S. Patent No. 4,998,984 issued to McClendon U.S. Patent No. 5,054,610 issued to Ajello U.S. Patent No. 5,088,146 issued to Smith et al.
U.S. Patent No. 5,598,601 issued to Eaton, et al.
U.S. Patent No. 5,598,919 issued to Taylor U.S. Patent No. 5,753,246 issued to Peters U.S. Patent No. Des 396,803 issued to Belmonte U.S. Patent 5,984,089 of Applicant 3 o U.S. Patent 6,082,534 of Applicant None of these prior art patents, however, except for my two (2) above-referenced patents, address the issue of not only cleansing the fingers of a contact lens wearer prior to reinstallation of a contact lenses, but also neutralizing the acidity/alkalinity of the finger surfaces to minimize eye irritation when the contact lens is reinstalled on the eye of the user. Lotions, soaps, make-up, dirt and other irritants, when placed inadvertently on a contact lens, will cause pain, irritation and even eye infection. Moreover, there is also a need for providing of a small quantity of e.g. saline solution, as in sealed ampule form, which is important for rewetting the contact lens prior to its installation. The present invention is particularly useful in these ways and is intended for contact lens wearers who either inadvertently dislodged or dropped their contact lens or have to remove them because of eye 1 o imtation. To further facilitate the reinstallation, one surface of the packaging is mirror reflective and of sufficient size and clarity such that the user may carefully watch the reinstallation of each contact lens.
This invention is directed to a prepackaged disposable towelette and a rewetting solution separably held within a disposable sealed package. The towelette is presaturated with a neutralizing solution so that, as finger residue is rubbed off and absorbed into the fabric of the towelette, the finger skin pH is also substantially neutralized which minimizes eye irritation each time a contact lens user reinstalls a contact lens. The rewetting solution, held within a separate sealed ampule, rewets the contact lens before contact lens installation to further reduce eye irritation.
2 o It is therefore an object of this invention to provide a prepackaged disposable cleaning and neutralizing towelette and a separately held quantity of rewetting solution such as saline solution for rewetting the contact lens before installation.
It is another object of this invention to provide a disposable Leaning and neutralizing towelette which is saturated with a neutralizing solution which, in combination with the soil and residue abrading action of a towelette, will cleanse and neutralize the acidity or alkalinity of the finger and hand surfaces prior to handling and reinstalling of a contact lens.
It is still another object of this invention to provide a prepackaged disposable cleaning and neutralizing towelette in combination with a quantity of saline solution 3o held separately in a sealed ampule within the sealed package and further in combination with a mirrored reflective surface on the outside of the packaging to assist in reinstalling a contact lens.

In accordance with these and other objects which will become apparent hereinafter, the instant invention will now be described with reference to the accompanying drawings.
Figure 1 is a front elevation twice broken view of the invention.
Figure 2 is a rear elevation view of the invention.
Figure 3 is a section view in the direction of arrow 3-3 in Figure 1.
Referring now to the drawings, the invention is shown generally at numeral 10 in all views and includes a sealed generally flat, rectangular package 12 formed of two layers of non-porous panels 32 and 34 such as aluminum foil, plastic sheets and 1 o the like. The common edges or margins 16 common to both of the panels 32 and 34 of the sealed package 12 are hermetically sealed along all peripheral edges.
A disposable towelette 14 is hermetically sealed within the main cavity or compartment of the sealed package 12 as seen in Figure 3. The size and fabric strength of the fabric material used to form each towelette 14 is sufficient to withstand vigorous rubbing and abrading of the fingers and hands of the user prior to reinstalling each contact lens.
In addition to the abrasive removal of skin residue and dirt, the towelette 14 is substantially saturated with a liquid solution which will neutralize the acidity of alkalinity of the skin surface prior to reinstallation. Applicant has found that, by 2 o neutralizing at least the finger surfaces prior to handling a cleaned and ready-to-reinstall contact lens, substantial eye irritation is avoided. Moreover, even washing hands with soap prior to handling and installing a contact lens may not remove soap residue and other irritants, including elements in the tap water itself.
A general description of the neutralizing agent is that of a cleaning and neutralizing solution comprised of sterile ingredients with similar properties to a "no tears" baby soap or shampoo. This solution may be soap-free, dye-free, pH-balanced and should contain no hand creams or other cosmetic ingredients which can cause eye irritation. It is recognized that the finger and hand skin surtaces generally become acidic rather than basic. Therefore, a hydroxide-based solution 3 o would generally be preferred.
Typically, a contact lens wearer is most likely to have need for the present invention when traveling or otherwise away from home and the permanent leaning fluids and solutions there used. One important and sometimes overlooked aspect of reinstalling a contact lens which has inadvertently fallen from the user's eye or has been temporarily removed because of eye in'itation by underlying debris, is that the contact lens quickly becomes dried. The present invention therefore also provides a quantity of saline solution 22 as a rewetting agent which is itself hermetically sealed within a separate sealed ampule 18 within the package 12 and positioned adjacent to the towelette 14 as seen in Figure 1. Thus, the saturated towelette 14 and the 1 o ampule 18 are removable from the package 12 by tearing along a tear lines or marks of weakness 26 and 24 of chamber 18. A notch 28 faalitates the initial tearing of the package 10 along the tear line 26.
After the user has cleansed and neutralized the fingers and pertinent hand portions by rubbing the towelette 14 thereagainst, the saline solution as the preferred form of the contact lens rewetting agent 22 may be dripped or poured onto each contact lens immediately prior to reinstallation. Access to the rewetting agent 22 is had by finristing frangible plate 20 from the main body of the ampule 18 to open and expose tip 36 in a well-known manner. The rewetted surfaces of the contact lens make reinstallation much more comfortable and less irritating to the eye.
2 o Note that, because of the general requirements of the towelette neutralizing solution above described, the contact lens should not be cleaned or rubbed with the towelette, but rather only rinsed with the supply of rewetting solution provided.
To further facilitate the reinstallation of the rewetted contact lens, a portion of one surface of the package 12 is provided with or is otherwise formed as a mirror like reflective surtace 30. The size of this reflective surface 30 is sufficient so that the user may flatten and hold the package with the mirrored surtace 30 facing him or her so that the reinstallation of the contact lens may be viewed directly for more accurate placement and reinstallation.
While the instant invention has been shown and described herein in what are 3 o conceived to be the most practical and preferred embodiments, it is recognized that departures may be made therefrom within the scope of the invention, which is therefore not to be limited to the details disclosed herein, but is to be afforded the full scope of the claims so as to embrace any and all equivalent apparatus and articles.

Claims (7)

1. A prepackaged disposable cleaning and neutralizing towelette and contact lens rewetting solution comprising:
a disposable absorbent, hand wiping sheet suitable in size and strength for single-use wiping of the fingers of a user, said sheet holding a liquid solution which facilitates cleaning of the fingers as whereby a contact lens being reinstalled onto the user's eye will not become contaminated with the residue when handled by the user during contact lens reinstallation;
a sealed package containing said sheet;
a quantity of saline contact lens rewetting solution contained in a separate sealed ampule in said package whereby the contact lens may be rinsed and rewetted prior to being installed onto the user's eye.
2. A prepackaged disposable cleaning and neutralizing towelette and contact lens rewetting solution as set forth in Claim 1, further comprising:
a reflective mirror surface disposed on one surface of said package of sufficient size to facilitate reinstallation of each contact lens by the user.
3. A disposable cleaning and neutralizing towelette and contact lens rewetting solution comprising:
a prepackaged disposable absorbent, hand wiping sheet suitable in size and strength for single-use wiping of the fingers of a user, said sheet being substantially saturated with a liquid solution which will neutralize the pH level of the fingers as residue there is rubbed off and absorbed into said sheet whereby a contact lens being reinstalled onto the user's eye will not become contaminated with the residue or become surface-acidified or alkalinized when handled by the user during contact lens reinstallation;

a quantity of saline contact lens rewetting solution also prepackaged with said sheet within a sealed ampule whereby the contact lens may be rinsed and rewetted prior to being installed onto the user's eye.
4. A prepackaged disposable cleaning and neutralizing towelette and contact lens rewetting solution comprising:
a disposable absorbent, hand wiping sheet suitable in size and strength for single-use wiping of the fingers of a user, said sheet being substantially saturated with a liquid solution which will neutralize the pH level of the fingers as residue there is rubbed off and absorbed into said sheet whereby a contact lens being reinstalled onto the user's eye will not become contaminated with the residue or become surface-acidified or alkalinized when handled by the user during contact lens reinstallation;
a generally sealed package containing said sheet;
a quantity of saline contact lens rewetting solution contained in a separate sealed ampule in said package whereby the contact lens may be rinsed and rewetted prior to being installed onto the use's eye.
5. A prepackaged disposable cleaning and neutralizing towelette and contact lens rewetting solution comprising:
a disposable absorbent, hand wiping sheet suitable in size and strength for single-use wiping of the fingers of a user, said sheet being substantially saturated with a liquid solution which will neutralizing the pH level of the fingers as residue there is rubbed off and absorbed into said sheet whereby a contact lens being reinstalled onto the user's eye will not become contaminated with the residue or become surface-acidified or alkalinized when handled by the user during contact lens reinstallation;
a generally sealed package containing said sheet;

a quantity of saline contact lens rewetting solution contained separately within said package whereby the contact lens may be rinsed and rewetted prior to being installed onto the user's eye;
a reflective mirror surface disposed on one surface of said package of sufficient size to facilitate reinstallation of each contact lens by the user.
6. A prepackaged disposable cleaning and neutralizing towelette and contact lens rewetting solution consisting essentially of:
a disposable absorbent, hand wiping sheet suitable in size and strength for single-use wiping of the fingers of a user, said sheet being substantially saturated with a liquid solution which will neutralize the pH level of the fingers as residue there is rubbed off and absorbed into said sheet whereby a contact lens being reinstalled onto the user's eye will not become contaminated with the residue or become surface-acidified or alkalinized when handled by the user during contact lens reinstallation;
a sealed package containing said sheet;
a quantity of saline contact lens rewetting solution contained in a separate sealed ampule within said package whereby the contact lens may be rinsed and rewetted prior to being installed onto the user's eye;
a reflective mirror surface disposed on one surface of said package of sufficient size to facilitate reinstallation of each contact lens by the user.
7. Each and every novel feature or novel combination of features herein disclosed.
CA 2326009 2000-11-15 2000-11-15 Prepackaged contact lens wearer hand neutralizing towelette and contact lens rewetting agent Abandoned CA2326009A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2326009 CA2326009A1 (en) 2000-11-15 2000-11-15 Prepackaged contact lens wearer hand neutralizing towelette and contact lens rewetting agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2326009 CA2326009A1 (en) 2000-11-15 2000-11-15 Prepackaged contact lens wearer hand neutralizing towelette and contact lens rewetting agent

Publications (1)

Publication Number Publication Date
CA2326009A1 true CA2326009A1 (en) 2002-05-15

Family

ID=4167664

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2326009 Abandoned CA2326009A1 (en) 2000-11-15 2000-11-15 Prepackaged contact lens wearer hand neutralizing towelette and contact lens rewetting agent

Country Status (1)

Country Link
CA (1) CA2326009A1 (en)

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