US2943623A - Skin plaster - Google Patents

Skin plaster Download PDF

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US2943623A
US2943623A US688325A US68832557A US2943623A US 2943623 A US2943623 A US 2943623A US 688325 A US688325 A US 688325A US 68832557 A US68832557 A US 68832557A US 2943623 A US2943623 A US 2943623A
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plaster
tape
polymerized
tetrafluoroethylene
polymerized tetrafluoroethylene
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US688325A
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Thalmer J Thompson
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    • 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/58Adhesives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/06Bandages or dressings; Absorbent pads specially adapted for feet or legs; Corn-pads; Corn-rings
    • A61F13/063Corn-pads; Corn-rings
    • 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00Surgery
    • Y10S128/14Polytetrafluoroethylene, i.e. PTFE

Definitions

  • indurations of the skin are the result of frictional irritation.
  • the induration results as a natural protection against the tearing or lacerating effect of the friction and also as protection against the frictional heat created. Accordingly, it is desirable to reduce and minimize friction between the induration and the shoe or other afllicting object, and to this end my invention is specifically designed to employ a material of recent manufacture having an exceptionally low co-efficient of friction, namely, polymerized tetrafluoroethylene.
  • A. particular object and feature of this invention resides in the provision of a skin plaster having an exceptionally low coefficient of friction to minimize painful rubbing and resulting frictional heat.
  • Another object resides in the utilization of an extremely thin and lightweight material for maximum comfort and avoiding any unnecessary bulk which would serve only to increase the pressure.
  • Polymerized tetrafluoroethylene may be manufactured in thicknesses ranging from .001 to .005 inch, but despite this microscopic dimension is quite durable and may be used over a substantial period of time without deterioration.
  • the plaster may comfortably be worn both as an aid in the relief of existing indurations and to forestall reformation of new induration.
  • a further object resides in a plaster of suflicient length for the outer ends to overlap when secured in position forming an effective lock.
  • Fig. 1 is a front view of an indurated toe employing one embodiment of the invention
  • Fig. 2 is a plan view of the embodiment of Fig. 1;
  • Fig. 3 is a side elevation of Fig. 2;
  • Fig. 4 is a side elevation showing a second embodiment of my invention.
  • Fig. 5 is a perspective view showing the first embodiment applied to a toe.
  • the invention comprises a plaster having a strip 12 of polymerized, tetrafluoroethylene mounted between two lengths of flexible tape 14.
  • the underside of both tapes 14 and strip 12 are provided with a skin adhering adhesive as at 16 and 13 respectively.
  • the ends of polymerized, tetrafluoroethylene strip 12, are attached to the top surface 17 of the inside ends of each length of tape 14.
  • Plaster A is particularly suited for indurations of the feet, such as corns and calouses, but it will be readily appreciated, the plaster may be applied to any portion of ted States Patent 0 the body where it is desirable to reduce friction.
  • the dimension of strip 12 and length of tape 14 will of course vary depending on the induration to be covered. In all cases polymerized tetrafluoroethylene strip 12 should be large enough to cover therfrictional area of the particular induration.
  • Fig. 1 illustrates the invention applied to a toe B having an induration or com 18.
  • Plaster A is mounted on the toe so that polymerized tetrafiuoroethylene strip 12 overlies com 1 8 and tape 14 encircles the remainder of the toe.
  • tapes 14 are of suflicient lengths to overlap at their outer ends as at 19 to firmly secure or lock the plaster to the toe.
  • Master A is formed with the combination of tape and polymerized tetrafluoroethylene to economize on tetrafluoroethylene, so that the more expensive product need be used only at the point where it is desirable to reduce friction.
  • the non-adhesive surface of polymerized tetrafluoroethylene is substantially non-reactive chemically or physically over a wide range of tempera tures whereby substantially nothing will adhere to the non-adhesive surfaces. Accordingly a single tape of polymerized tetrafluoroethylene unilaterally provided with an adhesive could not form an eifective lock at overlapping ends.
  • the substantially friction-free, non-adhesive surface of member 12 gives very little resistance to the rubbing of the afflicting footgear or shoe and accordingly, friction and frictional heat is minimized.
  • the induration is materially relieved and over a period of time in many cases the induration will slough oif and disappear.
  • Polymerized tetrafluoroethylene is unusually durable and will last over a substantial period of time. Its exceptionally thin construction renders increased pressure between the induration and the affiicting footgear due to the insertion of additional material therebetween, substantially nil. Due to its lightweight construction and durability the plaster may comfortably be worn over an extended period of time both to relieve existing indurations and to prevent reformation of new indurations.
  • Fig. 4 discloses a plaster C similar to plaster A except that plaster C is provided with two juxtaposed strips of polymerized tetrafluoroethylene.
  • Plaster C comprises an upper strip 21 and a lower strip 22 of polymerized tetrafluoroethylene with the adjacent ends 23 of two tapes 24 sandwiched between strips 21 and 22.
  • the inside faces of strips 21 and 22 are provided with an adhesive as at 25 to permanently attach the tape to the strips and the two tapes 24 are provided with a unilateral coating of pressure sensitive adhesive as at 26 so the plaster can be attached to a persons body as hereinabove described.
  • this embodiment has the advantages of the first embodiment and also provides a very low co-efiicient of friction in contact with the induration.
  • stresses on the induration which might result from movement and pull on the polymerized tetrafluoroethylene where the polymerized tetrafluoroethylene is adhesively secured to the induration, is further minimized by the non-adhesive surface of member 22 permitting slidable movement relative to the induration but with a minimum of friction.
  • the plaster may be applied to any portion of the body when it is desirable to reduce friction. Thus it could be applied to body sores of a bedfast patient. Or in the case of one or more corns bet-ween adjacent toes one plaster may be positioned over the afflicted areaand'a second plaster'secured to the adjacent toe with the polymerized tetrafluoroethylene positioned at the point where rubbing occurs'substantially nullifying friction at this point.
  • the combination including a pair of first strips; at least one strip of polymerized tetrafiuoroethylene, said first strips being secured in spaced, end to end relation by said strip of tetrafiuoroethylene.
  • a skin plaster including at least one member composed of polymerized tetrafluoroethylene, at least one tape member, a marginal edge of said polymerized tetrafluoroethylene member joined to one end of said tape member whereby said marginal edge only of said polymerized tetraflnoroethylene member opposes said tape member, each of said members provided with an adhesive on one face thereof.
  • a skin plaster including a pair of tape members, a pair of opposed polymerized tetrafluoroethylene members, the opposed surfaces of said polymerized tetrafluoroethylene members provided with a pressure sensitive adhesive securing said tape members in spaced substantially co-planar position, said tape members unilaterally provided with a skin adhering adhesive.
  • a skin plaster securable to a member of a human body comprising at least one member composed of polymerized tetrafluoroethylene, at least one tape member, a marginal edge of said polymerized tetrafluoroethylene member joined to one end of said tape member whereby said marginal edge only of said polymerized tetrafluoroethylene member opposes said tape member, each of said members unilaterally provided with a skin adhering adhesive, the longitudinal dimension of the plaster being greater than the circumference of the body to which it is to be secured whereby the opposite ends of the plaster are arranged partially to overlie each other to lock the plaster on the body.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Hematology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Medicinal Preparation (AREA)

Description

SKIN PLASTER Thalmer J. Thompson, 391 Lexington Ave., Bnrlingame, Calif.
Filed Oct. 4, 1957, Set. No. 688,325
4 Claims. (Cl. 128 -153) This invention relates to new and useful improvements in skin plasters and is a further application of the friction reducing principles set forth in my Patent No. 2,755,800 and co-pending application Serial No. 514,683, now Patent No. 2,817,335.
Most, if not all indurations of the skin, as for example corns and callouses, are the result of frictional irritation. The induration results as a natural protection against the tearing or lacerating effect of the friction and also as protection against the frictional heat created. Accordingly, it is desirable to reduce and minimize friction between the induration and the shoe or other afllicting object, and to this end my invention is specifically designed to employ a material of recent manufacture having an exceptionally low co-efficient of friction, namely, polymerized tetrafluoroethylene.
A. particular object and feature of this invention resides in the provision of a skin plaster having an exceptionally low coefficient of friction to minimize painful rubbing and resulting frictional heat.
Another object resides in the utilization of an extremely thin and lightweight material for maximum comfort and avoiding any unnecessary bulk which would serve only to increase the pressure. Polymerized tetrafluoroethylene may be manufactured in thicknesses ranging from .001 to .005 inch, but despite this microscopic dimension is quite durable and may be used over a substantial period of time without deterioration. As a consequence of the lightweight thinness and durability the plaster may comfortably be worn both as an aid in the relief of existing indurations and to forestall reformation of new induration.
A further object resides in a plaster of suflicient length for the outer ends to overlap when secured in position forming an effective lock.
The foregoing and other objects of my invention will become apparent from a reading and understanding of the following specification and accompanying drawings wherein:
Fig. 1 is a front view of an indurated toe employing one embodiment of the invention;
Fig. 2 is a plan view of the embodiment of Fig. 1;
Fig. 3 is a side elevation of Fig. 2;
Fig. 4 is a side elevation showing a second embodiment of my invention; and
Fig. 5 is a perspective view showing the first embodiment applied to a toe.
Referring now to the drawings and in detail, the invention comprises a plaster having a strip 12 of polymerized, tetrafluoroethylene mounted between two lengths of flexible tape 14. The underside of both tapes 14 and strip 12 are provided with a skin adhering adhesive as at 16 and 13 respectively. The ends of polymerized, tetrafluoroethylene strip 12, are attached to the top surface 17 of the inside ends of each length of tape 14.
Plaster A is particularly suited for indurations of the feet, such as corns and calouses, but it will be readily appreciated, the plaster may be applied to any portion of ted States Patent 0 the body where it is desirable to reduce friction. The dimension of strip 12 and length of tape 14 will of course vary depending on the induration to be covered. In all cases polymerized tetrafluoroethylene strip 12 should be large enough to cover therfrictional area of the particular induration.
Fig. 1 illustrates the invention applied to a toe B having an induration or com 18. Plaster A is mounted on the toe so that polymerized tetrafiuoroethylene strip 12 overlies com 1 8 and tape 14 encircles the remainder of the toe.
It will be observed tapes 14 are of suflicient lengths to overlap at their outer ends as at 19 to firmly secure or lock the plaster to the toe.
Master A is formed with the combination of tape and polymerized tetrafluoroethylene to economize on tetrafluoroethylene, so that the more expensive product need be used only at the point where it is desirable to reduce friction.
More important the tape on the ends of the polymerized tetrafluoroethylene can form an overlapping lock as viewed at 19. The non-adhesive surface of polymerized tetrafluoroethylene is substantially non-reactive chemically or physically over a wide range of tempera tures whereby substantially nothing will adhere to the non-adhesive surfaces. Accordingly a single tape of polymerized tetrafluoroethylene unilaterally provided with an adhesive could not form an eifective lock at overlapping ends.
In operation the substantially friction-free, non-adhesive surface of member 12 gives very little resistance to the rubbing of the afflicting footgear or shoe and accordingly, friction and frictional heat is minimized. The induration is materially relieved and over a period of time in many cases the induration will slough oif and disappear.
Polymerized tetrafluoroethylene is unusually durable and will last over a substantial period of time. Its exceptionally thin construction renders increased pressure between the induration and the affiicting footgear due to the insertion of additional material therebetween, substantially nil. Due to its lightweight construction and durability the plaster may comfortably be worn over an extended period of time both to relieve existing indurations and to prevent reformation of new indurations.
Fig. 4 discloses a plaster C similar to plaster A except that plaster C is provided with two juxtaposed strips of polymerized tetrafluoroethylene. Plaster C comprises an upper strip 21 and a lower strip 22 of polymerized tetrafluoroethylene with the adjacent ends 23 of two tapes 24 sandwiched between strips 21 and 22. The inside faces of strips 21 and 22 are provided with an adhesive as at 25 to permanently attach the tape to the strips and the two tapes 24 are provided with a unilateral coating of pressure sensitive adhesive as at 26 so the plaster can be attached to a persons body as hereinabove described.
In this embodiment the substantially friction-free and non-adhesive surfaces of polymerized tetrafluoroethylene are juxtaposed both against the afflicting footgear and also against the induration. Accordingly, this embodiment has the advantages of the first embodiment and also provides a very low co-efiicient of friction in contact with the induration. Thus, stresses on the induration which might result from movement and pull on the polymerized tetrafluoroethylene where the polymerized tetrafluoroethylene is adhesively secured to the induration, is further minimized by the non-adhesive surface of member 22 permitting slidable movement relative to the induration but with a minimum of friction.
The two embodiments of the plaster have been described only with respect to a single corn on a toe. As previously mentioned, however, the plaster may be applied to any portion of the body when it is desirable to reduce friction. Thus it could be applied to body sores of a bedfast patient. Or in the case of one or more corns bet-ween adjacent toes one plaster may be positioned over the afflicted areaand'a second plaster'secured to the adjacent toe with the polymerized tetrafluoroethylene positioned at the point where rubbing occurs'substantially nullifying friction at this point.
Although the foregoing invention has been described in some detail by way of illustration and example for purposes of clarity of understanding, it will be understood that certain changes and modifications may be practiced within the spirit of the invention and the scope of appended claims.
I claim:
l. In a skin plaster, the combination including a pair of first strips; at least one strip of polymerized tetrafiuoroethylene, said first strips being secured in spaced, end to end relation by said strip of tetrafiuoroethylene.
2. In a skin plaster the combination including at least one member composed of polymerized tetrafluoroethylene, at least one tape member, a marginal edge of said polymerized tetrafluoroethylene member joined to one end of said tape member whereby said marginal edge only of said polymerized tetraflnoroethylene member opposes said tape member, each of said members provided with an adhesive on one face thereof.
3. In a skin plaster the combination including a pair of tape members, a pair of opposed polymerized tetrafluoroethylene members, the opposed surfaces of said polymerized tetrafluoroethylene members provided with a pressure sensitive adhesive securing said tape members in spaced substantially co-planar position, said tape members unilaterally provided with a skin adhering adhesive.
4. A skin plaster securable to a member of a human body comprising at least one member composed of polymerized tetrafluoroethylene, at least one tape member, a marginal edge of said polymerized tetrafluoroethylene member joined to one end of said tape member whereby said marginal edge only of said polymerized tetrafluoroethylene member opposes said tape member, each of said members unilaterally provided with a skin adhering adhesive, the longitudinal dimension of the plaster being greater than the circumference of the body to which it is to be secured whereby the opposite ends of the plaster are arranged partially to overlie each other to lock the plaster on the body.
References Cited in the file of this patent UNITED STATES PATENTS 2,254,883 Boyle Sept. 2, 1941 2,703,083 Gross Mar. 1, 1955 2,755,800 Thompson July 24, 1956 2,781,552 Gray Feb. 19, 1957

Claims (1)

  1. 2. IN A SKIN PLASTER THE COMBINATION INCLUDING AT LEAST ONE MEMBER COMPOSED OF POLYMERIZED TETRAFLUOROETHYLENE, AT LEAST ONE TAPE MEMBER, MARGINAL EDGE OF SAID POLYMERIZED TETRAFLUOROETHYLENE MEMBER JOINED TO ONE END OF SAID TAPE MEMBER WHEREBY SAID MARGINAL EDGE ONLY OF SAID POLYMERIZED TETRAFLUOROETHYLENE MEMBER OPPOSES SAID TAPE MEMBER, EACH OF SAID MEMBERS PROVIDED WITH AN ADHESIVE ON ONE FACE THEREOF.
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135848A (en) * 1960-11-21 1964-06-02 Mechanical Products Inc Convenience outlet and circuit breaker device
US3422817A (en) * 1966-04-19 1969-01-21 Sidney Mishkin Tracheotomy bandage
US3561441A (en) * 1967-08-10 1971-02-09 Victor J Lombardi Surgical product for dressing and treating wounds, and method of manufacture
US3862634A (en) * 1973-03-29 1975-01-28 Paper Converting Machine Co Fastener for disposable diaper
US4155360A (en) * 1977-08-12 1979-05-22 Erickson George A Device to minimize pubic area irritation following surgery
FR2444469A1 (en) * 1978-12-18 1980-07-18 Kendall & Co SURGICAL DRESSING
US4639980A (en) * 1984-05-25 1987-02-03 Hall Surgical, Division Of Zimmer, Inc. Tubing organizer
US5360341A (en) * 1993-07-30 1994-11-01 Abramowitz Paul N Method and appliance for promoting the healing of oral tissues
US5497789A (en) * 1987-07-20 1996-03-12 Zook; Gerald P. Foot protector incorporating a viscoelastic gel
WO1999059646A1 (en) * 1998-05-19 1999-11-25 Schering-Plough Healthcare Products, Inc. Parylene coated devices with adhesive
US20020128580A1 (en) * 1998-06-15 2002-09-12 Carlson J. Martin Self-adhering friction reducing liner and method of use
US20040134103A1 (en) * 2001-05-16 2004-07-15 Peter Kohler Dressing holder and a combination of a foot bed and such a dressing holder
US20040167454A1 (en) * 2003-02-20 2004-08-26 Crunkleton James A. Symptomatic relief for soft corns
US20050165375A1 (en) * 2003-12-22 2005-07-28 Sca Hygiene Products Ab Absorbent product with low friction zone

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2254883A (en) * 1939-09-23 1941-09-02 Cyril J Boyle Protective pad
US2703083A (en) * 1955-01-04 1955-03-01 William J Gross Adhesive bandage
US2755800A (en) * 1954-12-27 1956-07-24 Thalmer J Thompson Adhesive bandage
US2781552A (en) * 1955-10-21 1957-02-19 Us Ceramic Tile Company Process for making thin articles of polytetrafluoroethylene

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2254883A (en) * 1939-09-23 1941-09-02 Cyril J Boyle Protective pad
US2755800A (en) * 1954-12-27 1956-07-24 Thalmer J Thompson Adhesive bandage
US2703083A (en) * 1955-01-04 1955-03-01 William J Gross Adhesive bandage
US2781552A (en) * 1955-10-21 1957-02-19 Us Ceramic Tile Company Process for making thin articles of polytetrafluoroethylene

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135848A (en) * 1960-11-21 1964-06-02 Mechanical Products Inc Convenience outlet and circuit breaker device
US3422817A (en) * 1966-04-19 1969-01-21 Sidney Mishkin Tracheotomy bandage
US3561441A (en) * 1967-08-10 1971-02-09 Victor J Lombardi Surgical product for dressing and treating wounds, and method of manufacture
US3862634A (en) * 1973-03-29 1975-01-28 Paper Converting Machine Co Fastener for disposable diaper
US4155360A (en) * 1977-08-12 1979-05-22 Erickson George A Device to minimize pubic area irritation following surgery
FR2444469A1 (en) * 1978-12-18 1980-07-18 Kendall & Co SURGICAL DRESSING
US4639980A (en) * 1984-05-25 1987-02-03 Hall Surgical, Division Of Zimmer, Inc. Tubing organizer
US5497789A (en) * 1987-07-20 1996-03-12 Zook; Gerald P. Foot protector incorporating a viscoelastic gel
US5360341A (en) * 1993-07-30 1994-11-01 Abramowitz Paul N Method and appliance for promoting the healing of oral tissues
WO1999059646A1 (en) * 1998-05-19 1999-11-25 Schering-Plough Healthcare Products, Inc. Parylene coated devices with adhesive
EP0974369A1 (en) * 1998-05-19 2000-01-26 Schering-Plough Healthcare Products, Inc. Parylene coated devices with adhesive
US20020128580A1 (en) * 1998-06-15 2002-09-12 Carlson J. Martin Self-adhering friction reducing liner and method of use
US20070043316A1 (en) * 1998-06-15 2007-02-22 Tamarack Habilitation Technologies, Inc. Self-adhering friction reducing liner and method of use
US8097766B2 (en) * 1998-06-15 2012-01-17 Tamarack Habilitation Tehnologies, Inc. Self-adhering friction reducing liner and method of use
US20040134103A1 (en) * 2001-05-16 2004-07-15 Peter Kohler Dressing holder and a combination of a foot bed and such a dressing holder
US20040167454A1 (en) * 2003-02-20 2004-08-26 Crunkleton James A. Symptomatic relief for soft corns
US6881196B2 (en) * 2003-02-20 2005-04-19 James A. Crunkleton Symptomatic relief for soft corns
US20050165375A1 (en) * 2003-12-22 2005-07-28 Sca Hygiene Products Ab Absorbent product with low friction zone
US7345215B2 (en) * 2003-12-22 2008-03-18 Sca Hygiene Products Ab Absorbent product with low friction zone

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