JPS5925742A - 内科−外科用包帯とその製法 - Google Patents
内科−外科用包帯とその製法Info
- Publication number
- JPS5925742A JPS5925742A JP58121707A JP12170783A JPS5925742A JP S5925742 A JPS5925742 A JP S5925742A JP 58121707 A JP58121707 A JP 58121707A JP 12170783 A JP12170783 A JP 12170783A JP S5925742 A JPS5925742 A JP S5925742A
- Authority
- JP
- Japan
- Prior art keywords
- foam
- substrate
- composition
- bandage
- manufacturing
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000000203 mixture Substances 0.000 claims description 36
- 239000006260 foam Substances 0.000 claims description 27
- 239000000758 substrate Substances 0.000 claims description 25
- 238000005187 foaming Methods 0.000 claims description 16
- 239000010410 layer Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 229920002379 silicone rubber Polymers 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 239000003814 drug Substances 0.000 claims description 7
- 230000001413 cellular effect Effects 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 2
- 230000001086 cytosolic effect Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 description 6
- 229920001296 polysiloxane Polymers 0.000 description 6
- 239000012779 reinforcing material Substances 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 206010052428 Wound Diseases 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000008258 liquid foam Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 229940064004 antiseptic throat preparations Drugs 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000006263 elastomeric foam Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000000640 hydroxylating effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000622 irritating effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000563 toxic property Toxicity 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/425—Porous materials, e.g. foams or sponges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/05—Use of one or more blowing agents together
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S602/00—Surgery: splint, brace, or bandage
- Y10S602/90—Method of making bandage structure
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials For Medical Uses (AREA)
- Reinforced Plastic Materials (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
め要約のデータは記録されません。
Description
【発明の詳細な説明】
本発明は火1(〜及びその曲の(”+ IL!の治療に
用いる外rl川用いは内科用包帯及rFJl+ら包帯の
製〆ノモに11)1する。
用いる外rl川用いは内科用包帯及rFJl+ら包帯の
製〆ノモに11)1する。
火傷や外1jすの治療は、ni’)史的に消毒薬或いは
治療1[11吻鞘のJll[jl 1d・川或いは子わ
「)f、1′シにガー士及rJ”Jント布0)よ・5な
無PII4繊紺状包帯ろ!使用−4ろこと呑1)1′ん
下いる。そのようfC4″目゛−1は治療;’Qlll
に・旧りflいた”l 14bの中にHRKイ(が残−
1)た0す71〔1回ハ号まする。より新しい発錦(I
n成フィルムbひス1くンジ5−II′、へ使用−1ろ
ど一々を包んている。
治療1[11吻鞘のJll[jl 1d・川或いは子わ
「)f、1′シにガー士及rJ”Jント布0)よ・5な
無PII4繊紺状包帯ろ!使用−4ろこと呑1)1′ん
下いる。そのようfC4″目゛−1は治療;’Qlll
に・旧りflいた”l 14bの中にHRKイ(が残−
1)た0す71〔1回ハ号まする。より新しい発錦(I
n成フィルムbひス1くンジ5−II′、へ使用−1ろ
ど一々を包んている。
1′11えば・111・削ろ−(・才力、込i−1もだ
ノリ=7−]:■、ラストマー自己帖官性バンド傷用包
47Fが米国特許第、7,4(、? ?、A 74号に
記述きれている。しかしながら。
ノリ=7−]:■、ラストマー自己帖官性バンド傷用包
47Fが米国特許第、7,4(、? ?、A 74号に
記述きれている。しかしながら。
前記包帯は通常存在する分泌液に関しては非吸収性であ
る。
る。
中性の、トロンポゲンの網状連続気泡フオーム利料より
成る患部接触面層及び該接触面層に固定され一緒に伸縮
する気体透過性、微小孔性裏打層より成る外利用包帯が
米国/lf許第J、64tざ、4?−号に記述されてい
る。好適な発泡材料はポリウレタンフォームであり、l
L打層は例工ば、ポリプロピレンゴム、テフロンゴム或
いはシリコーンゴムである。しかしながら、前記包帯の
製造は患部接触面層及び裏打層をあらかじめ作り1次に
、張り合わせ作業において接着剤を用いて相互を接着す
る必要がある。
成る患部接触面層及び該接触面層に固定され一緒に伸縮
する気体透過性、微小孔性裏打層より成る外利用包帯が
米国/lf許第J、64tざ、4?−号に記述されてい
る。好適な発泡材料はポリウレタンフォームであり、l
L打層は例工ば、ポリプロピレンゴム、テフロンゴム或
いはシリコーンゴムである。しかしながら、前記包帯の
製造は患部接触面層及び裏打層をあらかじめ作り1次に
、張り合わせ作業において接着剤を用いて相互を接着す
る必要がある。
本発明は、補強された10門以下の厚さのシリコーンエ
ラストマー発泡体シートの一表面が連続気泡の患部接触
面層より成り、前記シートの他表面が実質的に非細胞貿
表面膜より成る内科及び外利用包帯を供給するにある。
ラストマー発泡体シートの一表面が連続気泡の患部接触
面層より成り、前記シートの他表面が実質的に非細胞貿
表面膜より成る内科及び外利用包帯を供給するにある。
本発明の包帯は体と接触する広い表面が連続気泡発泡体
構造をもち、外側表面が非細胞膜をもつシリコーンエラ
ストマー発泡体のシートより成る。発泡包帯使用中の耐
引裂性或いはその他の耐損傷性を向上するためには、適
当な繊維またはウェブのような材料1例えばナイロンネ
ット或いはポリエステルネットで補強される。
構造をもち、外側表面が非細胞膜をもつシリコーンエラ
ストマー発泡体のシートより成る。発泡包帯使用中の耐
引裂性或いはその他の耐損傷性を向上するためには、適
当な繊維またはウェブのような材料1例えばナイロンネ
ット或いはポリエステルネットで補強される。
包帯は1皐さが/θ闘以下で、好適には約3市〜約6藺
である。
である。
本発明の包帯の一製法は、基材上に発泡性シリコーンエ
ラストマー組成物を沈着させ、該組成物を発泡させて露
出表面に実質上非細胞性連続膜を形成場せることからな
る。発泡中に補強材ウェブを発泡体中に埋設すればよい
。硬化したら、発泡体ブロックの上部を切取って所望の
補強材及び表面の特性を持つシートを得ることができる
。しかし、前記製法はいくつかの問題点を持つ。例えば
、エラストマー発泡体の正確に薄い切片を切取ることは
困難である。この製法はまた発泡体の上部のみが所望の
表面を持つシートとして使用できるにすぎないから無駄
が多い0 本発明者は上記操作に関連した欠点を回避する新規な方
法によって、本発明の発泡包帯を得ることができること
を知見した。従って、本発明はまた液体発泡可能或いは
発泡中のシリコーンエラストマー組成物層を液体組成物
吸収性表面を持つ基板に施し1発泡可能或いは発泡中の
シリコーン組成物に補強材が埋込まれるように添加し、
得られた混合物を発泡或いは発泡を継続させ、そしてシ
リコーンエラストマー発泡体を少なくとも部分的に硬化
させ、その後で基板から発泡層を分離することより成る
内科−外科用包帯の製法をも包含する。
ラストマー組成物を沈着させ、該組成物を発泡させて露
出表面に実質上非細胞性連続膜を形成場せることからな
る。発泡中に補強材ウェブを発泡体中に埋設すればよい
。硬化したら、発泡体ブロックの上部を切取って所望の
補強材及び表面の特性を持つシートを得ることができる
。しかし、前記製法はいくつかの問題点を持つ。例えば
、エラストマー発泡体の正確に薄い切片を切取ることは
困難である。この製法はまた発泡体の上部のみが所望の
表面を持つシートとして使用できるにすぎないから無駄
が多い0 本発明者は上記操作に関連した欠点を回避する新規な方
法によって、本発明の発泡包帯を得ることができること
を知見した。従って、本発明はまた液体発泡可能或いは
発泡中のシリコーンエラストマー組成物層を液体組成物
吸収性表面を持つ基板に施し1発泡可能或いは発泡中の
シリコーン組成物に補強材が埋込まれるように添加し、
得られた混合物を発泡或いは発泡を継続させ、そしてシ
リコーンエラストマー発泡体を少なくとも部分的に硬化
させ、その後で基板から発泡層を分離することより成る
内科−外科用包帯の製法をも包含する。
本発明の製法の実施の際には任意の液体発泡性−発泡中
のシリコーンエラストマー組成物を使用できる。本発明
で使用するのに好適な組成物はヒドロキシル基をも、つ
ポリジオルガノシロキサン、シリコーンと結合した水素
原子を持つシロキツ゛ン、硬化用触媒及びヒドロキシル
化化合物より成る組成物である。それらは普通コ液型製
品として入手できる。、2液容器の内容物を所定の配合
比で混合すれば混合物は発泡し1次いでエラストマース
ポンジに硬化する。このようなタイプの組成物は例えば
英国特Pl′F第79g、467号、第g A 7.A
/ 9号、第1.OA夕、り6コ号及び第1.Jり、
y、、2is号明細宵に記述されている。
のシリコーンエラストマー組成物を使用できる。本発明
で使用するのに好適な組成物はヒドロキシル基をも、つ
ポリジオルガノシロキサン、シリコーンと結合した水素
原子を持つシロキツ゛ン、硬化用触媒及びヒドロキシル
化化合物より成る組成物である。それらは普通コ液型製
品として入手できる。、2液容器の内容物を所定の配合
比で混合すれば混合物は発泡し1次いでエラストマース
ポンジに硬化する。このようなタイプの組成物は例えば
英国特Pl′F第79g、467号、第g A 7.A
/ 9号、第1.OA夕、り6コ号及び第1.Jり、
y、、2is号明細宵に記述されている。
/リコーンと結合した不飽和基を持つオルガノポリシロ
キリ゛ン、シリコーンと結合した水素原子をもつオルガ
ノシリコーン化合物及・び添加する触媒例として塩化第
二白金酸から成る発泡体形成性組成物も使用できる。前
記組成物は例えは英国特許第1.& 、2 :1.63
7号及び同第1.!f Qコ、6S7号明細書に記述さ
れている。特に包帯を露出している傷或いは火傷の治療
のために直接体に接触するように使用する場合、好まし
い組成物は包帯へ刺激及び有毒な性質を付与する添加物
が存在しf、Qいものが望ましい。
キリ゛ン、シリコーンと結合した水素原子をもつオルガ
ノシリコーン化合物及・び添加する触媒例として塩化第
二白金酸から成る発泡体形成性組成物も使用できる。前
記組成物は例えは英国特許第1.& 、2 :1.63
7号及び同第1.!f Qコ、6S7号明細書に記述さ
れている。特に包帯を露出している傷或いは火傷の治療
のために直接体に接触するように使用する場合、好まし
い組成物は包帯へ刺激及び有毒な性質を付与する添加物
が存在しf、Qいものが望ましい。
液体発泡組成物を支持する基板は、組成物に対して吸収
性をもつために十分な多孔性でなければならない。好適
な基板拐料は多孔性表面へ液状発泡組成物のわずかに浸
透することができる非光沢紙である。
性をもつために十分な多孔性でなければならない。好適
な基板拐料は多孔性表面へ液状発泡組成物のわずかに浸
透することができる非光沢紙である。
木兄すノの新gl製法による包(;)の製造は液体発泡
性組成物を調製し、まだ流動性をもつ状態のうちに基板
へ施すことによって行うのが好都合である。発泡に含ま
れる化学反応速度に依存して組成物はこの段階で液体で
あるか或いはすでに膨張を開始して発泡体となりつつあ
ることもある。組成物を基板に施すには任意の適当な手
段を用いて行うことができ、例えば下部に横長の開口を
持つホッパーから施してもよく、或いはミキシングヘッ
ドに結合された横長の分配ノズルによって施してもよい
。適当な所望の包帯の厚さにするために発泡した発泡体
の深さは使用する発泡性液体の帖により、或は掻取り刃
の使用により、或はそれら画者により、または前記掻取
刃と均等な制御装置の使用によって制御される。
性組成物を調製し、まだ流動性をもつ状態のうちに基板
へ施すことによって行うのが好都合である。発泡に含ま
れる化学反応速度に依存して組成物はこの段階で液体で
あるか或いはすでに膨張を開始して発泡体となりつつあ
ることもある。組成物を基板に施すには任意の適当な手
段を用いて行うことができ、例えば下部に横長の開口を
持つホッパーから施してもよく、或いはミキシングヘッ
ドに結合された横長の分配ノズルによって施してもよい
。適当な所望の包帯の厚さにするために発泡した発泡体
の深さは使用する発泡性液体の帖により、或は掻取り刃
の使用により、或はそれら画者により、または前記掻取
刃と均等な制御装置の使用によって制御される。
本発明の製法における深さ/厚さ制御の好適な方法は発
泡性或いは発泡中の組成物を担持した基板を該基板の運
動方向に対して直角方向に水平阿かれたゆつ(り回転す
るローラの下を通過させることよりなる。ローラ表面で
作業中に起こる硬化または部分硬化発泡組成物の蓄積は
掻取り刃或いは類似した装置処よってローラ表面から容
易に取り去られる。
泡性或いは発泡中の組成物を担持した基板を該基板の運
動方向に対して直角方向に水平阿かれたゆつ(り回転す
るローラの下を通過させることよりなる。ローラ表面で
作業中に起こる硬化または部分硬化発泡組成物の蓄積は
掻取り刃或いは類似した装置処よってローラ表面から容
易に取り去られる。
本発明による製法は回分式で行ってもよいが。
より好ましくは連続式或は半連続式に行なわれる。こう
して1例えば発泡性或いは発泡中の組成物を静止した容
器、或いはロールまたは他の要因で動きつつある基板、
従ってそれ自体がコンヘヤーベルトを形成する基板或は
コンアベルトによって支持された基板上に注加する。
して1例えば発泡性或いは発泡中の組成物を静止した容
器、或いはロールまたは他の要因で動きつつある基板、
従ってそれ自体がコンヘヤーベルトを形成する基板或は
コンアベルトによって支持された基板上に注加する。
発泡体が固体エラストマーへの硬化するに先立って、適
当な補強材を発泡体中に埋め込む必要がある。この埋め
込みは、注加後、まだ液体である発泡性或いは発泡中の
組成物上に補強材シートを向き、自然に或いは押1−込
みにより補強材を組成物中に所望の深さ圧埋め込むこと
によって都合よく達成される。ttli強利を埋め込む
実際の深さは材料が包帯の個々の表面の所望される連続
膜或いは多孔質構造の達成を妨げないことを条件として
重要な制限はない。この技法による補助利の埋め込みを
容易に行うことを可能にするために補強材中を発泡性或
いは発泡中の組成物が流れ貫くことができるために補強
側は十分に穴を明けであるか、多孔質でなければならな
い。好適な補強材は紡織繊維網、特に合成繊、維例えば
ポリエステル、ポリプロピレン或いはアクリル繊維の絹
である。
当な補強材を発泡体中に埋め込む必要がある。この埋め
込みは、注加後、まだ液体である発泡性或いは発泡中の
組成物上に補強材シートを向き、自然に或いは押1−込
みにより補強材を組成物中に所望の深さ圧埋め込むこと
によって都合よく達成される。ttli強利を埋め込む
実際の深さは材料が包帯の個々の表面の所望される連続
膜或いは多孔質構造の達成を妨げないことを条件として
重要な制限はない。この技法による補助利の埋め込みを
容易に行うことを可能にするために補強材中を発泡性或
いは発泡中の組成物が流れ貫くことができるために補強
側は十分に穴を明けであるか、多孔質でなければならな
い。好適な補強材は紡織繊維網、特に合成繊、維例えば
ポリエステル、ポリプロピレン或いはアクリル繊維の絹
である。
使用する発泡体形成組成物のタイプに応じて発泡体は常
温でエラストマー固体に硬化することができるが、加熱
することにより硬化を促進することが好ましいかまたは
必要である。
温でエラストマー固体に硬化することができるが、加熱
することにより硬化を促進することが好ましいかまたは
必要である。
組成物がエラストマー固体へ硬化したら、基板から取外
す。同時に場合によっては注意深く引き離すことによっ
て発泡体と基板を分離することが可能である。シートが
引き裂かれる可能性を回避するために基板に接して置か
れた分離ナイス或いは類似した切り刃を使用することに
よって分離を容易となすのが好ましい。発泡体を基板か
ら切り離すために十分鋭利であれば切り刃はどんなもの
でも十分である。
す。同時に場合によっては注意深く引き離すことによっ
て発泡体と基板を分離することが可能である。シートが
引き裂かれる可能性を回避するために基板に接して置か
れた分離ナイス或いは類似した切り刃を使用することに
よって分離を容易となすのが好ましい。発泡体を基板か
ら切り離すために十分鋭利であれば切り刃はどんなもの
でも十分である。
本発明を実施するための装置を水側のために第1図及び
第2図に示す。
第2図に示す。
第7図において1台或はその他の堅い表面lKよりロー
ル或はその他の要素Jより引き出されるoJ撓性吸収性
基板コは支持される。発泡性シリコーンエラストマー組
成物lは基板に対しく黄方向に延びるスリットをもつホ
ッパー3から基板−の表面上に施される。補強材7はロ
ールgから引き出され、液体発泡性組成物中に埋め込ま
れる。
ル或はその他の要素Jより引き出されるoJ撓性吸収性
基板コは支持される。発泡性シリコーンエラストマー組
成物lは基板に対しく黄方向に延びるスリットをもつホ
ッパー3から基板−の表面上に施される。補強材7はロ
ールgから引き出され、液体発泡性組成物中に埋め込ま
れる。
出−図は第1図に示すホッパー左を基材の運動方向に対
して横方向に分配ヘッド9によって置換えた改変方法を
説明する。回転t+J能なローラー/θは発泡性組成物
を受取る基板の上方に該基、板の連動方向に対して横方
向に設けられる。
して横方向に分配ヘッド9によって置換えた改変方法を
説明する。回転t+J能なローラー/θは発泡性組成物
を受取る基板の上方に該基、板の連動方向に対して横方
向に設けられる。
所望のローラが掻き取り刃(図示せず)を備えていれt
rそれは硬化才たけ1°fl(’y)硬化エクス1マ体
発III!体0) l+Jr化の余t!l’ 4CI)
’2すlv t、 タ1.It分ヲローラーかr〕切り
取る(llillき杢ゴする。
rそれは硬化才たけ1°fl(’y)硬化エクス1マ体
発III!体0) l+Jr化の余t!l’ 4CI)
’2すlv t、 タ1.It分ヲローラーかr〕切り
取る(llillき杢ゴする。
発11す体シートは11′f、終所WJ、 l+17
、’7+tに、た占え一゛小幅の包(i)或いはj1昂
広のシートに製造され、或は、硬化後lり[望の大き丁
x、形に切断する。所望により、包・iりをIVモめた
?I、A度で処理するこ吉にょっ−C硬化の1((@を
高め、 Jil[発件物Ipiを除き、或は滅菌を行っ
てもよい。滅菌は2またエチレンオキシドにきら−J゛
よ’+ fJ化学的な方法によっても行なわれる。才だ
、も1〜小弗f、Q残留物を取り除く必要があれ11:
、包’IF ’kl水洗する。所8)により、包帯に
薬剤例えば感染の抑制のための消YjI薬、抗生物り!
■或はその他の物′eIを塗布或いは含浸してもよい。
、’7+tに、た占え一゛小幅の包(i)或いはj1昂
広のシートに製造され、或は、硬化後lり[望の大き丁
x、形に切断する。所望により、包・iりをIVモめた
?I、A度で処理するこ吉にょっ−C硬化の1((@を
高め、 Jil[発件物Ipiを除き、或は滅菌を行っ
てもよい。滅菌は2またエチレンオキシドにきら−J゛
よ’+ fJ化学的な方法によっても行なわれる。才だ
、も1〜小弗f、Q残留物を取り除く必要があれ11:
、包’IF ’kl水洗する。所8)により、包帯に
薬剤例えば感染の抑制のための消YjI薬、抗生物り!
■或はその他の物′eIを塗布或いは含浸してもよい。
本発明の包(i)の川fIHな用途は傷及び火If7.
用包帯としで、綿4−?1としで、及びギブス古体の間
のライヲーと1.゛C使用するにある。
用包帯としで、綿4−?1としで、及びギブス古体の間
のライヲーと1.゛C使用するにある。
以ド(て実が1i IりlIを11.□!げて本発明を
説明−)る。
説明−)る。
実M+i ((・IJ
、2Sχ1で約、2000センチボイズ(c p )
の粘度を持つ、末端基がシラノールのポリジメチルン
ロギ→ノン、末端基がトリメチへンリへ基であるメJ−
ルー水素ボリンロキシン、低分イ[+1のヒト[1八“
シル化メヂルシロキリン、1−1州へ十及び触θ■とl
−てづり々ンf’j”l ’n−錫から4Cる成分をよ
く混合するこよによって組成!I+!I;2− fit
、ζ11製した。
の粘度を持つ、末端基がシラノールのポリジメチルン
ロギ→ノン、末端基がトリメチへンリへ基であるメJ−
ルー水素ボリンロキシン、低分イ[+1のヒト[1八“
シル化メヂルシロキリン、1−1州へ十及び触θ■とl
−てづり々ンf’j”l ’n−錫から4Cる成分をよ
く混合するこよによって組成!I+!I;2− fit
、ζ11製した。
il、) L)′1+た液体組成物を幅23 IIJで
堅い水平向に支持隊イ1゛ている多孔質紙基板と4ヰL
−C置かれた箱にポンプで注加した。’?1’iの+’
;il而壁下端上壁下端I−二〇間(l(]B、Lそ、
2朋の隙間ろ一;<’iるよ1)に箱の1111面壁を
(、り敗った。この壁の−F’ !’1lii t2!
二p(i枡した箱の底つゴまたLIJ IIV、ること
によつ−L ’li(体イ1′鴻絹成物を紙上いっしょ
に1111方に引へ用−4ことをh]能にした。
堅い水平向に支持隊イ1゛ている多孔質紙基板と4ヰL
−C置かれた箱にポンプで注加した。’?1’iの+’
;il而壁下端上壁下端I−二〇間(l(]B、Lそ、
2朋の隙間ろ一;<’iるよ1)に箱の1111面壁を
(、り敗った。この壁の−F’ !’1lii t2!
二p(i枡した箱の底つゴまたLIJ IIV、ること
によつ−L ’li(体イ1′鴻絹成物を紙上いっしょ
に1111方に引へ用−4ことをh]能にした。
組成物の発、i−ノ、i4午11成物苓−紙の上(?ゴ
AL Ai”=した後。
AL Ai”=した後。
4ぐL・ri川−)た。腎イ゛トシを開IIF; シた
「)Mを前方に引RIlt 1.、.11:l lL:
i IICおよf 、2 rnmのメツ・ユリイスノリ
−イロン什1イli 71:発/i樋体土方にf1ン1
t゛1するローラか「)引き出し、わ“1−かにT方に
引つ張6)4Vがら発泡体に沈めた。紙ノi(板を数メ
ートル引き出した後でこの[1v!作を終了り、発泡体
を塗布した基板をJθ分間JA IM’し゛〔エラスト
マー固体と1(るのに十6)な程度に硬化を進行なぜた
。太き4(刃のパレットナイフを)11・板と発汀シ体
J:の間の接触面に挿入して紙から発泡体をIIJり陪
すために使用し lこ 。
「)Mを前方に引RIlt 1.、.11:l lL:
i IICおよf 、2 rnmのメツ・ユリイスノリ
−イロン什1イli 71:発/i樋体土方にf1ン1
t゛1するローラか「)引き出し、わ“1−かにT方に
引つ張6)4Vがら発泡体に沈めた。紙ノi(板を数メ
ートル引き出した後でこの[1v!作を終了り、発泡体
を塗布した基板をJθ分間JA IM’し゛〔エラスト
マー固体と1(るのに十6)な程度に硬化を進行なぜた
。太き4(刃のパレットナイフを)11・板と発汀シ体
J:の間の接触面に挿入して紙から発泡体をIIJり陪
すために使用し lこ 。
製品はI!?J、−J約〜rnmの用(1j’、j件、
抽「1f1工ラストマー発泡休ンートてあった。シート
の上部表面は実′7!(的に連続的l、i゛11i%で
あるが一トj’llt表面は細11iル11ダ構造であ
る。十反【1”1、物ダ゛(を洗沖除人1.故閑ずれば
シートは内科−外fll用包帯上−r 1iJ5用する
ために適したものであった。
抽「1f1工ラストマー発泡休ンートてあった。シート
の上部表面は実′7!(的に連続的l、i゛11i%で
あるが一トj’llt表面は細11iル11ダ構造であ
る。十反【1”1、物ダ゛(を洗沖除人1.故閑ずれば
シートは内科−外fll用包帯上−r 1iJ5用する
ために適したものであった。
第1図及び小ユ図(、■5本発明力法令虫施するための
++”(+118側面断面図である。 図中:/ ・ ・台1.2・ Φノ1(板1.7 ・
φ1ゴール、り・・発f包性ンリコーノエラストマーI
ll 5’< 9.a、S・φポツパー、乙・・スリッ
ト、7倫会神強14利、8・・「1−ル、9・・外記ヘ
ッド、 10・・rJ−ラー0 丁・ 続 r市 if((’: 11r1力15どに 8月 5目 4”N+!’llj長官殿 1、 ・J+ (’lの表小 昭Ill !を年特許願第1コ/707号2、 発明の
名杓、 内科−外科用包帯とそのpす法 3、 ?+li +I ヲスルh ゛11作との関係 特許出願人 名手;ト ダウ・コーニング・りずデッド11、代理
人 5− ?Ili +I の文・1象手続捕市11; 昭和58年8月51−1 特許庁長官殿 1、 4丁件の表示 昭和!g年特許願第1コ17□7号 2、 発明の名称 内科−外科用包帯とその製法 3、 袖1[ニをする者 事件との関係 特許出願人 名称 ダウ・コーニング拳リミテッド4、代理人 5、 力17i1:の刻象 ム袖正の内容 (Ij 明卸1簡ダ頁10行1本発明の包帯@争・」
牙]庫発明包帯・・・」と補正する。
++”(+118側面断面図である。 図中:/ ・ ・台1.2・ Φノ1(板1.7 ・
φ1ゴール、り・・発f包性ンリコーノエラストマーI
ll 5’< 9.a、S・φポツパー、乙・・スリッ
ト、7倫会神強14利、8・・「1−ル、9・・外記ヘ
ッド、 10・・rJ−ラー0 丁・ 続 r市 if((’: 11r1力15どに 8月 5目 4”N+!’llj長官殿 1、 ・J+ (’lの表小 昭Ill !を年特許願第1コ/707号2、 発明の
名杓、 内科−外科用包帯とそのpす法 3、 ?+li +I ヲスルh ゛11作との関係 特許出願人 名手;ト ダウ・コーニング・りずデッド11、代理
人 5− ?Ili +I の文・1象手続捕市11; 昭和58年8月51−1 特許庁長官殿 1、 4丁件の表示 昭和!g年特許願第1コ17□7号 2、 発明の名称 内科−外科用包帯とその製法 3、 袖1[ニをする者 事件との関係 特許出願人 名称 ダウ・コーニング拳リミテッド4、代理人 5、 力17i1:の刻象 ム袖正の内容 (Ij 明卸1簡ダ頁10行1本発明の包帯@争・」
牙]庫発明包帯・・・」と補正する。
Claims (1)
- 【特許請求の範囲】 l 厚込が10mm以下のシリコーンエラストマー発泡
体の補強きれたシートで、前■Cシートの一表面がj’
li続気泡表面層であり、他表面が実質的に非細胞質表
面膜より成る内科−外科用包帯。 ス 袖’jilt 4’Jが紡織網布より成る特ft「
l!iV求の範囲81)7項記載の自利−外科用包帯。 、? 液体発泡性或いは発泡中のシリコーンエラストマ
ー発泡体の層を該液体組成物を吸収する表面る:・持つ
基板に施し、袖強旧をtitJ記発泡性或い劃よグ^山
中の組成物に」!1!め込むよ・5に添加し、 f’+
) ”)れた混合物を発泡合せ或いは継続してイ/1泡
さ畦−てシリコ1−ンエラストマー発ン1り体4−少く
さも部分的に硬化させ、その後で基板か「】発泡体層を
分離するこLより成る内科−外(・1用包帯の製法。 Z 吸収1牛丞板が非光沢紙である’l’!F i’l
’ ljl’J求の範1+119jルJltj、i己・
成の製法。 5、発泡体層の基板からの分離を切り刃法による特許請
求の範囲第3項または第4項記載の製法。 6、分離した発泡体シートが滅菌処理する特許請求の範
囲第3項ないし第4項のいすれかに記載の製法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8219448 | 1982-07-06 | ||
| GB8219448 | 1982-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5925742A true JPS5925742A (ja) | 1984-02-09 |
| JPS6012056B2 JPS6012056B2 (ja) | 1985-03-29 |
Family
ID=10531490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58121707A Expired JPS6012056B2 (ja) | 1982-07-06 | 1983-07-06 | 内科−外科用包帯とその製法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4572814A (ja) |
| EP (1) | EP0100148B1 (ja) |
| JP (1) | JPS6012056B2 (ja) |
| CA (1) | CA1236278A (ja) |
| DE (1) | DE3361779D1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008530340A (ja) * | 2005-02-16 | 2008-08-07 | ダウ・コーニング・コーポレイション | 強化シリコーン樹脂フィルムおよびその製造方法 |
| US8912268B2 (en) | 2005-12-21 | 2014-12-16 | Dow Corning Corporation | Silicone resin film, method of preparing same, and nanomaterial-filled silicone composition |
| JP2020523464A (ja) * | 2017-06-15 | 2020-08-06 | ダブリュ.エル.ゴア アンド アソシエイツ,インコーポレイティドW.L. Gore & Associates, Incorporated | 支持型エラストマー発泡体及び支持型エラストマー発泡体を製造する方法 |
Families Citing this family (554)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE455466C (sv) * | 1986-03-10 | 1993-07-05 | Moelnlycke Ab | Foerband foer vaetskande saar |
| GB2192142B (en) * | 1986-07-04 | 1990-11-28 | Johnson & Johnson | Wound dressing |
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| US2540906A (en) * | 1947-06-05 | 1951-02-06 | Burgess Cellulose Company | Artificial chamois skin and method of making the same |
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| GB867619A (en) * | 1958-01-13 | 1961-05-10 | Midland Silicones Ltd | Improvements in or relating to organosiloxane elastomer foams |
| DE1224040B (de) * | 1963-06-28 | 1966-09-01 | Wacker Chemie Gmbh | Bei Raumtemperatur durchfuehrbares Verfahren zur Herstellung von elastomeren Zell-, Schwamm- oder Schaumkoerpern aus linearen Organopolysiloxanen |
| US3511788A (en) * | 1965-02-03 | 1970-05-12 | Dow Corning | Foams,compositions,method for making foams and foam covered substrate ii |
| US3298884A (en) * | 1965-10-07 | 1967-01-17 | Specialty Converters | Method of manufacturing reinforced plastic foam in sheet form |
| US3439676A (en) * | 1966-12-01 | 1969-04-22 | Dow Corning | Wound dressing |
| BE789293Q (fr) * | 1970-12-07 | 1973-01-15 | Parke Davis & Co | Pansement medico-chirugical pour brulures et lesions analogues |
| US3763858A (en) * | 1971-02-24 | 1973-10-09 | Johnson & Johnson | Composite material having cementitious properties |
| US3923705A (en) * | 1974-10-30 | 1975-12-02 | Dow Corning | Method of preparing fire retardant siloxane foams and foams prepared therefrom |
| US4026842A (en) * | 1975-07-14 | 1977-05-31 | Dow Corning Corporation | Method of preparing fire retardant open-cell siloxane foams and foams prepared therefrom |
| US4026835A (en) * | 1975-07-14 | 1977-05-31 | Dow Corning Corporation | Method of preparing heat cured siloxane foams using rhodium catalyst and foams prepared therefrom |
| GB1562244A (en) * | 1976-11-11 | 1980-03-05 | Lock P M | Wound dressing materials |
| US4349020A (en) * | 1979-09-14 | 1982-09-14 | Krikorian William G | Shirred laminate |
| DE3032092C2 (de) * | 1980-08-26 | 1984-10-25 | IPOS Gesellschaft für integrierte Prothesen-Entwicklung und orthopädietechnischen Service mbH & Co KG, 2120 Lüneburg | Wundauflage |
-
1983
- 1983-06-27 EP EP83303679A patent/EP0100148B1/en not_active Expired
- 1983-06-27 DE DE8383303679T patent/DE3361779D1/de not_active Expired
- 1983-06-30 US US06/509,496 patent/US4572814A/en not_active Expired - Lifetime
- 1983-07-05 CA CA000431831A patent/CA1236278A/en not_active Expired
- 1983-07-06 JP JP58121707A patent/JPS6012056B2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008530340A (ja) * | 2005-02-16 | 2008-08-07 | ダウ・コーニング・コーポレイション | 強化シリコーン樹脂フィルムおよびその製造方法 |
| US8912268B2 (en) | 2005-12-21 | 2014-12-16 | Dow Corning Corporation | Silicone resin film, method of preparing same, and nanomaterial-filled silicone composition |
| JP2020523464A (ja) * | 2017-06-15 | 2020-08-06 | ダブリュ.エル.ゴア アンド アソシエイツ,インコーポレイティドW.L. Gore & Associates, Incorporated | 支持型エラストマー発泡体及び支持型エラストマー発泡体を製造する方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4572814A (en) | 1986-02-25 |
| JPS6012056B2 (ja) | 1985-03-29 |
| EP0100148B1 (en) | 1986-01-08 |
| DE3361779D1 (en) | 1986-02-20 |
| CA1236278A (en) | 1988-05-10 |
| EP0100148A1 (en) | 1984-02-08 |
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