JPH11106739A - Rubber component for medical instrument - Google Patents
Rubber component for medical instrumentInfo
- Publication number
- JPH11106739A JPH11106739A JP29154397A JP29154397A JPH11106739A JP H11106739 A JPH11106739 A JP H11106739A JP 29154397 A JP29154397 A JP 29154397A JP 29154397 A JP29154397 A JP 29154397A JP H11106739 A JPH11106739 A JP H11106739A
- Authority
- JP
- Japan
- Prior art keywords
- perfluoropolyether
- resistance
- hardness
- rubber
- rubber component
- 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.)
- Withdrawn
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 14
- 239000010702 perfluoropolyether Substances 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 abstract description 9
- 229920002379 silicone rubber Polymers 0.000 abstract description 7
- 239000004945 silicone rubber Substances 0.000 abstract description 7
- 238000010828 elution Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 5
- 230000007062 hydrolysis Effects 0.000 abstract description 5
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 5
- 238000012856 packing Methods 0.000 abstract description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- 229920001774 Perfluoroether Polymers 0.000 abstract 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 abstract 1
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical compound FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- -1 vinyl methyl Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は医療機器用ゴム部品、特
に医療機器に使用され、かつ薬品が接触する医療機器の
ダイヤフラム、弁、Ｏ−リング、パッキン、ガスケット
などのシールに使用されるゴム部品に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to rubber parts for medical equipment, particularly rubber used for medical equipment and for sealing diaphragms, valves, O-rings, packings, gaskets, etc. of medical equipment which come into contact with chemicals. It concerns parts.
【０００２】[0002]
【従来技術及び問題点】医療機器は、医療現場で使用す
るものであるために、人体に毒性のあるものであっては
ならず、医療機器ないし機器の部品、たとえばポンプ、
バルブ、ジョイントなどに使用されるゴム部品も、接触
する溶剤、薬品などに溶出され、あるいは抽出された
り、また、薬品によって侵されたりしてはならない。2. Description of the Related Art Medical devices must be toxic to the human body because they are used in the medical field.
Rubber parts used for valves, joints, etc., must not be eluted or extracted by the contacting solvent, chemicals, etc., and must not be attacked by the chemicals.
【０００３】上述のような条件を充足するゴム部品とし
ては、たとえばシリコーンゴムが使用されている。耐溶
出性、耐抽出性、耐揮発性が良好で、人体に影響が少な
いことから広く医療機器のゴム部品として使用されてき
た。As a rubber component satisfying the above-mentioned conditions, for example, silicone rubber is used. Since it has good elution resistance, extraction resistance, and volatility, and has little effect on the human body, it has been widely used as a rubber part for medical equipment.
【０００４】しかしながら、上記シリコーンゴムにおい
ては、耐薬品性及び耐加水分解性（耐水性）に劣るとこ
ろが有り、人体への影響の観点から、上述の特性も良好
なものが求められている。[0004] However, the silicone rubber described above has poor chemical resistance and hydrolysis resistance (water resistance), and from the viewpoint of affecting the human body, it is required that the above-mentioned properties be good.
【０００５】本発明は上述の問題点に鑑みなされたもの
であり、耐溶出性、耐抽出性、耐揮発性が良好で、かつ
耐薬品性及び耐加水分解性に優れた医療機器用ゴム部品
を提供することを目的とする。The present invention has been made in view of the above-mentioned problems, and has a good elution resistance, extraction resistance, and volatility resistance, and is excellent in chemical resistance and hydrolysis resistance for medical equipment. The purpose is to provide.
【０００６】[0006]
【問題点を解決するための手段】上記問題点を解決する
ため、本発明による医療機器用ゴム部品は、パーフロロ
ポリエーテルよりなることを特徴とする。Means for Solving the Problems In order to solve the above problems, the rubber component for medical equipment according to the present invention is characterized by being made of perfluoropolyether.
【０００７】本発明によれば、従来のシリコーンゴムの
代りにパーフロロポリエーテルを使用したため耐溶出
性、耐抽出性、耐揮発性にすぐれ、かつ耐薬品性および
耐加水分解性に優れた医療機器用ゴム部品となるという
利点がある。According to the present invention, a perfluoropolyether is used in place of the conventional silicone rubber, so that it is excellent in elution resistance, extraction resistance, volatility resistance, and excellent in chemical resistance and hydrolysis resistance. It has the advantage of being a rubber part for equipment.
【０００８】本発明による医療機器用ゴム部品は、上述
のように、パーフロロポリエーテルよりなることを特徴
としており、基本的に限定されるものではないが、６フ
ッ化プロピレンをエーテル結合によって重合させた下記
の一般式のパーフロロポリエーテルよりなるものである
のが特に好ましい。[0008] As described above, the rubber component for medical equipment according to the present invention is characterized by being made of perfluoropolyether, and is not fundamentally limited. It is particularly preferable that the perfluoropolyether of the following general formula is used.
【０００９】[0009]
【化２】 Embedded image
【００１０】上述のようなパーフロロポリエーテルのＪ
ＩＳＡ硬度は４０〜９０であるのが好ましく、特にシー
ル用途としては硬度７０前後のものが、動的用途、たと
えばダイヤフラムなどには５０前後の柔らかいものを使
用するのがよい。The perfluoropolyether J as described above
The ISA hardness is preferably from 40 to 90, and particularly, a material having a hardness of about 70 for a sealing use, and a soft material having a hardness of about 50 for a dynamic use, for example, a diaphragm, is preferably used.
【００１１】[0011]
【実施例】ＪＩＳＡ硬度７０のパーフロロポリエーテル
を使用してＪＩＳ Ｋ６３０１に準拠した試験片を作製
した。これと同様な試験片をシリコーンゴムで作製し、
種々の試験を行った。結果を表１に示す。同様に作製し
た比較例はシリコーンゴム（ビニルメチルシリコーン）
を示す。EXAMPLE A test piece according to JIS K6301 was prepared using perfluoropolyether having a JIS hardness of 70. A test piece similar to this is made of silicone rubber,
Various tests were performed. Table 1 shows the results. A comparative example made similarly was silicone rubber (vinyl methyl silicone).
Is shown.
【００１２】[0012]
【表１】表１ [Table 1] Table 1
【００１３】[0013]
【発明の効果】以上説明したように、本発明による医療
機器用ゴム部品によれば、従来のシリコーンゴムの代り
にパーフロロポリエーテルを使用したため耐溶出性、耐
抽出性、耐揮発性が良好で、かつ耐薬品性及び耐加水分
解性に優れた医療機器用ゴム部品となるという利点があ
る。As described above, according to the rubber component for medical equipment according to the present invention, since perfluoropolyether is used in place of the conventional silicone rubber, the elution resistance, extraction resistance and volatility resistance are good. In addition, there is an advantage that the rubber component for medical equipment is excellent in chemical resistance and hydrolysis resistance.
【手続補正書】[Procedure amendment]
【提出日】平成９年１１月２６日[Submission date] November 26, 1997
【手続補正１】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】請求項２[Correction target item name] Claim 2
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【化１】 Embedded image
Claims (2)
徴とする医療機器用ゴム部品。1. A rubber part for medical equipment, comprising a perfluoropolyether.
般式のものであることを特徴とする請求項１記載の医療
機器用ゴム部品。 【化１】 2. The rubber part for medical equipment according to claim 1, wherein said perfluoropolyether has the following general formula. Embedded image
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29154397A JPH11106739A (en) | 1997-10-08 | 1997-10-08 | Rubber component for medical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29154397A JPH11106739A (en) | 1997-10-08 | 1997-10-08 | Rubber component for medical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11106739A true JPH11106739A (en) | 1999-04-20 |
Family
ID=17770279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29154397A Withdrawn JPH11106739A (en) | 1997-10-08 | 1997-10-08 | Rubber component for medical instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11106739A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1734445A2 (en) | 1999-04-14 | 2006-12-20 | Matsushita Electric Industrial Co., Ltd. | Event control device and digital broadcasting system |
-
1997
- 1997-10-08 JP JP29154397A patent/JPH11106739A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1734445A2 (en) | 1999-04-14 | 2006-12-20 | Matsushita Electric Industrial Co., Ltd. | Event control device and digital broadcasting system |
| EP2053507A2 (en) | 1999-04-14 | 2009-04-29 | Panasonic Corporation | Event control device and digital broadcasting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20050104 |