JPS58169446A - Foot sole plate for treating lower limp disorder - Google Patents
Foot sole plate for treating lower limp disorderInfo
- Publication number
- JPS58169446A JPS58169446A JP57052709A JP5270982A JPS58169446A JP S58169446 A JPS58169446 A JP S58169446A JP 57052709 A JP57052709 A JP 57052709A JP 5270982 A JP5270982 A JP 5270982A JP S58169446 A JPS58169446 A JP S58169446A
- Authority
- JP
- Japan
- Prior art keywords
- silicone rubber
- sole plate
- treating lower
- disorder
- parts
- 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
Landscapes
- Prostheses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は下肢疾患の治療に使用するシリコーンゴム製で
軽量気泡性の足底板に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lightweight foam sole plate made of silicone rubber and used for the treatment of lower limb diseases.
従来より下肢疾患の保存的治療に、皮革、アルミニウム
、熱可塑性樹脂、熱硬化性樹脂、コルク等を素材よした
足底板が使用されている。Conventionally, plantar plates made of materials such as leather, aluminum, thermoplastic resin, thermosetting resin, and cork have been used for conservative treatment of lower limb diseases.
しかし、これらの材料を主体とする足底板は硬い材質の
ために嵩張り、患者が足底部に挿入して使用する際に密
着しにくい等の煩わしさがあり、装用に順応するまでに
かなりの日数を要している。However, plantar plates made mainly of these materials are bulky due to their hardness, making it difficult for patients to get a good fit when inserting them into the sole of their feet. It takes several days.
また、足底板は靴、スリッパ、草履等を履きながら装用
し日常生活で円滑に使用することを目的としているが、
特に立位歩行時に違和感が大きく、しかも皮膚との接触
による発汗、汚れで異臭を生じ衛生面での問題もあった
。そこで、これらの難点を除去し、装用し易く装着感が
良好で、且つ人体に無害性のシリコーンゴムをその素材
とする下肢疾患治療用足底板が開発された。In addition, the sole plate is intended to be worn while wearing shoes, slippers, sandals, etc., and to be used smoothly in daily life.
Particularly when walking in a standing position, the user felt uncomfortable, and the contact with the skin caused sweating and dirt, which caused a foul odor, which caused problems in terms of hygiene. Therefore, a plantar plate for treating lower limb diseases has been developed which eliminates these drawbacks, is easy to wear, has a good wearing feeling, and is made of silicone rubber which is harmless to the human body.
しかしながら、シリコーンゴム単味、あるいはただ単に
充填剤をシリコーンゴムに混入して複合化しただけの足
底板は、重い、引裂き強度・耐亀裂性等において劣る、
足底への装着時に冷たく冬期には苦痛である、製造時の
混線に伴う気泡内蔵による脱泡が困難等の作業性の悪さ
、および作業 性の悪さに加えてシリコーンゴム自
体の高価格等によるコスト高の問題があった。However, sole plates made of silicone rubber alone or simply compounded by mixing fillers with silicone rubber are heavy, have poor tear strength and crack resistance, etc.
It is cold when worn on the soles of the feet and is a pain in the winter, it is difficult to remove air bubbles due to cross-contact lines during manufacturing, and it is difficult to remove the bubbles, and in addition to the poor workability, the silicone rubber itself is expensive. There was the problem of high costs.
本発明はこれらの欠点を解消するとともに、加熱加硫型
シリコーンゴムに無機充填剤と含水けい酸粉末を混入し
、有機発泡剤等の発泡剤を特に使用することなく加熱硬
化せしめて、軽量気泡性の下肢疾患治療用足底板を提供
することにより、下肢疾患の治療効果をより高めること
を目的とするものである。The present invention solves these drawbacks and creates lightweight foam by mixing an inorganic filler and hydrated silicic acid powder into heat-curable silicone rubber and heat-curing it without using any particular blowing agent such as an organic blowing agent. The object of the present invention is to further enhance the therapeutic effects of lower limb diseases by providing a plantar plate for treating lower limb diseases.
シリコーンゴムに炭酸カルシウム等の無機充填剤だけを
混入したものは、シリコーンゴムに対し等回加えても流
動性を保持し、作業性は良好であり強度の向上は認めら
れるものの製品の容積増大にはあまり影響がなく比重が
増すだけでありコスト低減にも寄与しない。一方、シリ
コーンゴムに含水けい酸粉末だけを混入したものは、発
泡による軽量化は認められるものの分散が困難であり流
動性が著しく低下し作業性が悪化する。Silicone rubber mixed with only inorganic fillers such as calcium carbonate maintains fluidity even if added to the silicone rubber multiple times, has good workability, and improves strength, but increases the volume of the product. does not have much effect, only increases the specific weight, and does not contribute to cost reduction. On the other hand, when silicone rubber is mixed with only hydrated silicic acid powder, weight reduction due to foaming is observed, but dispersion is difficult, fluidity is significantly reduced, and workability is deteriorated.
そこで、本発明者は炭酸カルシウム等の無機充填剤と含
水けい酸粉末とを最適比率においてシリコーンゴムに混
入分散することにより上記の難点を解決するに到った。Therefore, the inventors of the present invention have solved the above-mentioned problems by mixing and dispersing an inorganic filler such as calcium carbonate and hydrated silicic acid powder into silicone rubber in an optimum ratio.
本発明に使用する無機充填剤は、炭酸カルシウム、炭酸
マグネシウム、タルク、水酸化アルミニウム、水酸化マ
グネシウム、硫酸カルシウム、カルシウムシリケート、
粉砕シリカ、クレイ、マイカ、ガラスピーズ、マイクロ
バルーン、シリカバルーン等の種々の品種、粒径のもの
が使用できる６−
が、シリコーンゴムに混入する時、流動性が低下し難い
ように吸油量値が低く、且つ製品強度、殊に引裂き強度
・耐亀裂性等を増大せしめるべく、シラン処理等の表面
処理を予め施しである無機充填剤を使用するのが望まし
い。炭酸カルシウムの粒子表面をシランカップリング剤
で活性化した表面反応性炭酸カルシウムは特に好ましい
ものである。因に、製品の軽量化の点から高比重の無機
充填剤は好ましくない。Inorganic fillers used in the present invention include calcium carbonate, magnesium carbonate, talc, aluminum hydroxide, magnesium hydroxide, calcium sulfate, calcium silicate,
Various types and particle sizes such as crushed silica, clay, mica, glass beads, micro balloons, and silica balloons can be used.6- However, when mixed with silicone rubber, the oil absorption value is adjusted to prevent fluidity from decreasing. It is desirable to use an inorganic filler that has been previously subjected to a surface treatment such as silane treatment in order to have a low filler and increase product strength, especially tear strength and crack resistance. Particularly preferred is surface-reactive calcium carbonate whose particle surface is activated with a silane coupling agent. Incidentally, from the viewpoint of reducing the weight of the product, inorganic fillers with high specific gravity are not preferred.
本発明に使用する含水けい酸粉末は、高強度の発現、低
コスト化等の無機充填剤としての機能を果たすとともに
、その含有水により小気泡を細密に内蔵して全体に均一
発泡せしめ、有機発泡剤等の発泡剤を特に使用すること
なく製品の軽量気泡化を達する重要な役割を果たす。具
体的には非晶質含水けい酸粉末であるホワイトカーボン
等が使用される。なお、顔料や他の添加剤の混入は、所
期の目的の特性を有する製品を得る限りにおいて任意に
使用可能である。The hydrated silicic acid powder used in the present invention functions as an inorganic filler, exhibiting high strength and reducing costs. It plays an important role in achieving lightweight foaming of products without the use of foaming agents or other foaming agents. Specifically, white carbon, which is an amorphous hydrous silicic acid powder, is used. Incidentally, the inclusion of pigments and other additives can be used as desired as long as a product having the desired properties is obtained.
本発明において用いる材料の使用比率は次に示４−
す通りである。（以下、部はすべて重量部を示す０）
加熱加硫型シリコーンゴム １００部加 硫
剤 １０部無機充
填剤 ５〜７５部含水けい酸粉末
５〜３０部無機充填剤は、７５部以上である
と流動性のかなりの低下が見られ、５部以下であると発
泡による気泡が内蔵されず突沸孔を生じ好ましくない。The ratio of materials used in the present invention is as shown below. (Hereinafter, all parts indicate parts by weight: 0) Heat-curable silicone rubber 100 parts vulcanized
Agent: 10 parts Inorganic filler: 5 to 75 parts Hydrous silicic acid powder
If the amount of the inorganic filler is 5 to 30 parts, the fluidity will be considerably lowered if it is 75 parts or more, and if it is less than 5 parts, bubbles due to foaming will not be incorporated and bumping pores will occur, which is not preferable.
一方、含水けい酸粉末においては、３０部以上であると
流動性のかなりの低下が見られ、５部以下であると充分
に発泡しなかったり、偏発泡して好ましくない。On the other hand, in the case of hydrous silicic acid powder, when the amount is 30 parts or more, the fluidity is considerably decreased, and when it is 5 parts or less, it may not foam sufficiently or foam unevenly, which is not preferable.
以上のように、本発明に係る下肢疾患治療用足底板は、
加熱加硫型シリコーンゴムに無機充填剤と含水けい酸粉
末を最適比率において混入分散することにより、流動性
を保持するとともに、気泡を内蔵することにより、従来
困難を極めた脱泡工程が不要であることから作業性が良
好であり、得られた製品は、軽く、引裂き強度・耐亀裂
性等も良好である優れた性質を有しており、また気泡を
内蔵することにより温感を発現し、冬期における足底へ
の装着時の苦痛を除去する効果をも生じ、下肢疾患の治
療効果の向上は顕著なものがある。As described above, the plantar plate for treating lower limb diseases according to the present invention,
By mixing and dispersing an inorganic filler and hydrated silicic acid powder into heat-vulcanized silicone rubber in an optimal ratio, it maintains fluidity and, by incorporating air bubbles, eliminates the need for the previously extremely difficult defoaming process. This makes it easy to work with, and the resulting product is light and has excellent properties such as good tear strength and crack resistance, and the built-in air bubbles give it a sense of warmth. It also has the effect of eliminating the pain of wearing it on the soles of the feet in winter, and has a remarkable improvement in the therapeutic effects of lower limb diseases.
且つまた、無機充填剤の混入および発泡により、従来品
に比し大幅な製造コストの低減が可能となった。更に、
シリコーンゴムは勿論、他の使用する材料が全て無害無
毒性のものであり、人体に装用する治療具として最適で
ある。また、本発明に係る下肢疾患治療用足底板は、膝
関節症等の下肢疾患の治療用のみならず、扁平足等の矯
正治療具としても有用である。Furthermore, by incorporating an inorganic filler and foaming, manufacturing costs can be significantly reduced compared to conventional products. Furthermore,
The silicone rubber and other materials used are all harmless and non-toxic, making it ideal as a therapeutic device to be worn on the human body. Further, the plantar plate for treating lower limb diseases according to the present invention is useful not only for treating lower limb diseases such as knee arthropathy, but also as a corrective treatment tool for flat feet and the like.
以下に実施例により本発明を具体的に説明する。The present invention will be specifically explained below using Examples.
実施例
加熱加硫型シリコーンゴム（無色透明液）１００部に加
硫剤１０部を加え良く攪拌する。次にこれにシランカッ
プリング剤により予め表面処理を施した炭酸カルシウム
２５部と、高純度の非晶質含水けい酸粉末であるホワイ
トカーボン１５部を混合攪拌すると、流動性に富むスラ
リーが得られる。これを型枠に注入した後、約１００°
Ｃに設定した定温加熱器中で約１時間加熱して硬化せし
め脱型することにより、小気泡を細密に内蔵し全体に均
一発泡した軽量硬化体を得た。このものは温感を有し優
れた引裂き強度・耐亀裂性を示した。Example 10 parts of a vulcanizing agent were added to 100 parts of heat-curable silicone rubber (colorless transparent liquid) and stirred well. Next, 25 parts of calcium carbonate, which has been surface-treated with a silane coupling agent in advance, and 15 parts of white carbon, which is a highly pure amorphous hydrated silicic acid powder, are mixed and stirred to obtain a highly fluid slurry. . After injecting this into the formwork, approximately 100°
By heating for about 1 hour in a constant temperature heater set at C to cure and demolding, a lightweight cured product with finely embedded small bubbles and uniform foaming throughout was obtained. This material had a warm feeling and exhibited excellent tear strength and crack resistance.
特許出願人 中村俊部 ７−Patent applicant Toshibe Nakamura 7-
Claims (1)
末を混入し１加熱硬化してなる軽量気泡性の下肢疾患治
療用足底板。A lightweight, cellular sole plate for treating lower limb diseases, made by mixing heat-vulcanizing silicone rubber with an inorganic filler and hydrated silicic acid powder and curing with heat.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57052709A JPS5932139B2 (en) | 1982-03-30 | 1982-03-30 | Plantar plate for lower limb disease treatment |
| US06/437,300 US4510699A (en) | 1981-10-26 | 1982-10-28 | Insole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57052709A JPS5932139B2 (en) | 1982-03-30 | 1982-03-30 | Plantar plate for lower limb disease treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58169446A true JPS58169446A (en) | 1983-10-05 |
| JPS5932139B2 JPS5932139B2 (en) | 1984-08-07 |
Family
ID=12922417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57052709A Expired JPS5932139B2 (en) | 1981-10-26 | 1982-03-30 | Plantar plate for lower limb disease treatment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5932139B2 (en) |
-
1982
- 1982-03-30 JP JP57052709A patent/JPS5932139B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5932139B2 (en) | 1984-08-07 |
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