US20220361603A1 - One piece woven medical gown with coating - Google Patents
One piece woven medical gown with coating Download PDFInfo
- Publication number
- US20220361603A1 US20220361603A1 US17/322,490 US202117322490A US2022361603A1 US 20220361603 A1 US20220361603 A1 US 20220361603A1 US 202117322490 A US202117322490 A US 202117322490A US 2022361603 A1 US2022361603 A1 US 2022361603A1
- Authority
- US
- United States
- Prior art keywords
- gown
- protection equipment
- personal protection
- coating
- fabric
- 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
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 12
- 239000011248 coating agent Substances 0.000 title claims abstract description 11
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- DVQHRBFGRZHMSR-UHFFFAOYSA-N sodium methyl 2,2-dimethyl-4,6-dioxo-5-(N-prop-2-enoxy-C-propylcarbonimidoyl)cyclohexane-1-carboxylate Chemical compound [Na+].C=CCON=C(CCC)[C-]1C(=O)CC(C)(C)C(C(=O)OC)C1=O DVQHRBFGRZHMSR-UHFFFAOYSA-N 0.000 claims description 2
- 239000002210 silicon-based material Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000035515 penetration Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 8
- 238000009941 weaving Methods 0.000 description 4
- 238000004900 laundering Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/12—Surgeons' or patients' gowns or dresses
- A41D13/1209—Surgeons' gowns or dresses
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0035—Protective fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/10—Clothing
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
Definitions
- the present invention relates to a gown which may be used as a personal protection equipment (PPE), preferably manufactured using a one piece woven (OPW) process.
- PPE personal protection equipment
- OPT one piece woven
- Gowns are often used in healthcare settings in order to protect the wearer from the spread of infection or illness if the wearer comes in contact with potentially infectious liquid and solid materials. Gowns may also be used to prevent the gown wearer from transferring microorganisms that could harm vulnerable patients such as those with weakened immune systems.
- the requirements and specifications of a gown are dependent on the end user application and compliance with various standards applicable to gowns. Gowns are classified in various categories depending upon the degree of protection provided.
- Medical gowns are further classified as non-reusable and reusable. Reusable gowns must demonstrate compliance with performance specifications after a specified number of wash cycles.
- gowns formed of woven materials require a surface coating, typically a polymer type.
- the laundering process can compromise the performance of coatings due to mechanical action (abrasion), especially in areas of the woven structure which provide local projections, waviness or peaks in the woven structure.
- Seamed together components of a gown also create areas where concentrated mechanical action occurs as it produces a stiffening of the fabric in those areas and results in protrusions along the seam lines, which exacerbate performance degradation over wash cycles.
- woven fabric materials are typically made from flat bulk woven material which is assembled in a so-called cut and sew operation. Bulk material is cut to desired shapes and then assembled along seam lines where mechanical stitching is provided to connect the fabric components.
- This process in general has been used to produce apparel since the earliest days of mechanical weaving and sewing processes. More recently, a new category of weaving technology has emerged often referred to as “one piece woven”) or “OPV” articles. These processes are also referenced as “3D weaving”. In these processes, in addition to the traditional 2D warp and weft threads or yarns used to make flat goods, additional stitching is provided in the “z” direction, perpendicular to the 2D plane of the fabric. These processes are capable of producing complex three-dimensional fabric articles without seaming together individual fabric components.
- Various types of apparel can be made in this manner as well as other fabric articles such as side curtain airbags for motor vehicle occupant protection and many other products.
- a PPE type gown is provided formed using OPW techniques with an outer surface coating.
- FIG. 1 is a pictorial view of a PPE type gown in accordance with the present invention.
- FIG. 2 is a cross-sectional view through a portion of the gown shown in FIG. 1 illustrating the woven layers and an outer protective coating layer.
- gown 10 is illustrated as being in open back type forming frontal torso area A, arms B, and back panels C.
- Gown 10 has an overall configuration similar to existing medical gowns which are fastened at the back of the wearer.
- Gown 10 is produced using a fabric 12 formed by OPW technique such that all of the primary features of the gown A, B and C are formed integrally during the weaving process without the requirement of further processing needed to fasten separate fabric components by stitching.
- This manufacturing technique produces gown 10 without exposed seems which tend to receive substantial mechanical abrasion damage during laundering.
- FIG. 2 provides a cross-section through a section of the fabric 12 forming gown 10 .
- fabric 12 illustrates interlaced warp and weft fabric threads 16 and 18 with coating 14 applied on an outer surface of the gown.
- coating materials can be used.
- three products from Dow Silicone may be suited including their types 3760, 3730, and 3600.
- Another coating material option is the Tri-Tex product “Ultraguard”.
Abstract
A personal protection equipment (PPE) gown formed by one piece woven (OPW) techniques. The gown features an outer coating on the fabric to provide required liquid penetration resistance.
Description
- The present invention relates to a gown which may be used as a personal protection equipment (PPE), preferably manufactured using a one piece woven (OPW) process.
- Due to the recent viral pandemic there is a substantial increase in the demand for PPE items including facemasks, gloves and gowns. Gowns are often used in healthcare settings in order to protect the wearer from the spread of infection or illness if the wearer comes in contact with potentially infectious liquid and solid materials. Gowns may also be used to prevent the gown wearer from transferring microorganisms that could harm vulnerable patients such as those with weakened immune systems. The requirements and specifications of a gown are dependent on the end user application and compliance with various standards applicable to gowns. Gowns are classified in various categories depending upon the degree of protection provided. In Europe, specification levels of medical gowns are best described in ISO BS EN 13795 which includes test associated with microbial penetration, cleanliness, microbial/bio burden, particle release, liquid penetration and bursting strength. In North America, medical gowns are classified with respect to liquid barrier performance as Level 1-Minimal Risk (e.g. basic medical care), Level 2-Low Risk (e.g. blood draw, suturing), Level 3-Moderate Risk (e.g. arterial blood draw), and Level 4-High Risk (e.g. surgery). Each level is associated with a different set of testing and validation requirements. Another set of standards in North America is established by ASTM F2407 with requirements concerning tensile strength, tear resistance, seem strength, lint generation and water vapor transmission.
- Medical gowns are further classified as non-reusable and reusable. Reusable gowns must demonstrate compliance with performance specifications after a specified number of wash cycles. In practice, were high levels of liquid barrier performance are required, gowns formed of woven materials require a surface coating, typically a polymer type. The laundering process can compromise the performance of coatings due to mechanical action (abrasion), especially in areas of the woven structure which provide local projections, waviness or peaks in the woven structure. Seamed together components of a gown also create areas where concentrated mechanical action occurs as it produces a stiffening of the fabric in those areas and results in protrusions along the seam lines, which exacerbate performance degradation over wash cycles.
- Gowns formed of woven fabric materials are typically made from flat bulk woven material which is assembled in a so-called cut and sew operation. Bulk material is cut to desired shapes and then assembled along seam lines where mechanical stitching is provided to connect the fabric components. This process in general has been used to produce apparel since the earliest days of mechanical weaving and sewing processes. More recently, a new category of weaving technology has emerged often referred to as “one piece woven”) or “OPV” articles. These processes are also referenced as “3D weaving”. In these processes, in addition to the traditional 2D warp and weft threads or yarns used to make flat goods, additional stitching is provided in the “z” direction, perpendicular to the 2D plane of the fabric. These processes are capable of producing complex three-dimensional fabric articles without seaming together individual fabric components. Various types of apparel can be made in this manner as well as other fabric articles such as side curtain airbags for motor vehicle occupant protection and many other products.
- There is a continued need in the field of PPE gowns to provide gowns capable of meeting high levels of protection for the wearer and which can be subject to numerous laundering cycles while continuing to meet product performance standards.
- In accordance with the present invention, a PPE type gown is provided formed using OPW techniques with an outer surface coating.
-
FIG. 1 is a pictorial view of a PPE type gown in accordance with the present invention. -
FIG. 2 is a cross-sectional view through a portion of the gown shown inFIG. 1 illustrating the woven layers and an outer protective coating layer. - Referring to
FIG. 1 ,gown 10 is illustrated as being in open back type forming frontal torso area A, arms B, and backpanels C. Gown 10 has an overall configuration similar to existing medical gowns which are fastened at the back of the wearer. -
Gown 10 is produced using afabric 12 formed by OPW technique such that all of the primary features of the gown A, B and C are formed integrally during the weaving process without the requirement of further processing needed to fasten separate fabric components by stitching. This manufacturing technique producesgown 10 without exposed seems which tend to receive substantial mechanical abrasion damage during laundering. -
FIG. 2 provides a cross-section through a section of thefabric 12 forminggown 10. As shown,fabric 12 illustrates interlaced warp andweft fabric threads coating 14 applied on an outer surface of the gown. Numerous examples of coating materials can be used. For example, three products from Dow Silicone may be suited including their types 3760, 3730, and 3600. Another coating material option is the Tri-Tex product “Ultraguard”. - While the above description constitutes the preferred embodiment of the present invention, it will be appreciated that the invention is susceptible to modification, variation and change without departing from the proper scope and fair meaning of the accompanying claims.
Claims (5)
1. A personal protection equipment gown comprising,
a fabric material produced by a one piece woven technique integrally forming a front panel, a pair of arm pieces, and one or more back panels, and
a polymeric coating applied to an outer surface of the fabric material.
2. The personal protection equipment gown in accordance with claim 1 further comprising, a pair of the back panels are formed.
3. The personal protection equipment gown in accordance with claim 1 further comprising, the polymeric coating is a silicone-based material.
4. The personal protection equipment gown in accordance with claim 1 further comprising, the polymeric coating is one Dow Silicone types 3760, 3730, and 3600
5. The personal protection equipment gown in accordance with claim 1 further comprising, the polymeric coating is a Tri-Tex “Ultraguard”.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/322,490 US20220361603A1 (en) | 2021-05-17 | 2021-05-17 | One piece woven medical gown with coating |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/322,490 US20220361603A1 (en) | 2021-05-17 | 2021-05-17 | One piece woven medical gown with coating |
Publications (1)
Publication Number | Publication Date |
---|---|
US20220361603A1 true US20220361603A1 (en) | 2022-11-17 |
Family
ID=83999109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/322,490 Abandoned US20220361603A1 (en) | 2021-05-17 | 2021-05-17 | One piece woven medical gown with coating |
Country Status (1)
Country | Link |
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US (1) | US20220361603A1 (en) |
Citations (45)
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