JPH0615006A - Medical instrument and its production - Google Patents
Medical instrument and its productionInfo
- Publication number
- JPH0615006A JPH0615006A JP3216386A JP21638691A JPH0615006A JP H0615006 A JPH0615006 A JP H0615006A JP 3216386 A JP3216386 A JP 3216386A JP 21638691 A JP21638691 A JP 21638691A JP H0615006 A JPH0615006 A JP H0615006A
- Authority
- JP
- Japan
- Prior art keywords
- tubular parts
- caprolactam
- plasticizer solution
- matter
- tubular
- 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 4
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004014 plasticizer Substances 0.000 claims abstract description 12
- 230000001954 sterilising effect Effects 0.000 claims abstract description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 2
- 208000019901 Anxiety disease Diseases 0.000 abstract 2
- 230000036506 anxiety Effects 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 7
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- GPZYYYGYCRFPBU-UHFFFAOYSA-N 6-Hydroxyflavone Chemical compound C=1C(=O)C2=CC(O)=CC=C2OC=1C1=CC=CC=C1 GPZYYYGYCRFPBU-UHFFFAOYSA-N 0.000 description 2
- 239000004803 Di-2ethylhexylphthalate Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 241001649081 Dina Species 0.000 description 1
- 229920001944 Plastisol Polymers 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004999 plastisol Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0003—Backward prediction of gain
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、血液バッグ、血液回路
等のなどの管状部品同士を接続して構成される塩化ビニ
ル樹脂製医療器具および該医療器具の製造方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vinyl chloride resin medical instrument constituted by connecting tubular parts such as a blood bag and a blood circuit, and a method for producing the medical instrument.
【０００２】[0002]
【従来技術および発明が解決しようとする課題】一般に
血液バッグ、血液回路等のなどの管状部品同士を接続し
て構成される医療器具は、安全性、加工性及び材料費な
どの点から塩化ビニル樹脂から形成されている。2. Description of the Related Art Generally, medical devices constructed by connecting tubular parts such as blood bags, blood circuits, etc. to vinyl chloride are safe from the viewpoint of safety, workability and material cost. It is made of resin.
【０００３】塩化ビニル樹脂製管状部品同士の接続は、
高周波ウェルダ−を用いて管状部品の接続部を融着する
方法や、複雑な構造や径の異なるチュ−ブを挿入して接
続する場合は、塩化ビニル樹脂を溶解させる溶剤とし
て、テトラヒドロフランやシクロヘキサノンが用いられ
ている。To connect tubular parts made of vinyl chloride resin,
Tetrahydrofuran or cyclohexanone may be used as a solvent for dissolving vinyl chloride resin when a method of fusion-bonding tubular parts using a high-frequency welder or when inserting tubes with complicated structures or different diameters is used. It is used.
【０００４】しかしながら、高周波ウェルダ−を用いて
接続する方法は、部品同士が管状である場合には、芯金
が挿入できず外部からの高周波の発振のみとなり充分な
溶着強度が得られなかった。また溶剤を用いる方法で
は、溶剤が部品内に残留し、体液と接する場合があるの
で衛生上好ましくない。However, in the method of connecting using a high-frequency welder, when the parts are tubular, the core bar cannot be inserted and only high-frequency oscillation from the outside occurs, and sufficient welding strength cannot be obtained. In addition, the method using a solvent is not preferable in terms of hygiene because the solvent may remain in the parts and come into contact with body fluid.
【０００５】また、特開昭６０−６３０６３号公報に開
示されているように、可塑剤を配合してなる塩化ビニル
重合体ペ−ストレジンを管状部品の接続部に充填した
後、熱滅菌により加熱してペ−ストレジンを固化するこ
とによって接続部を接着する方法が提案されているが、
重合体ペ−ストレジンは、塩化ビニルラテックスを可塑
剤を用いて液の中に分散させたプラチゾルが不安定でレ
ジンの沈降が生じやすく調整が困難とか、加熱温度によ
っても接着強度が大きく左右されるという課題があっ
た。そこで本発明者は以上の課題を解決するために鋭意
検討を重ねた結果次の発明に到達した。Further, as disclosed in JP-A-60-63063, a vinyl chloride polymer paste resin prepared by blending a plasticizer is filled in a connecting portion of tubular parts and then heated by heat sterilization. Then, a method of adhering the connection portion by solidifying the paste resin is proposed,
For polymer paste resin, the plastisol in which vinyl chloride latex is dispersed in a liquid using a plasticizer is unstable and the resin is liable to settle, and it is difficult to adjust it, or the adhesive strength is greatly affected by the heating temperature. There was a problem. Therefore, the present inventor has earnestly studied to solve the above problems, and as a result, arrived at the following invention.
【０００６】[0006]
【課題を解決するための手段】図１は、医療器具の該略
図で、接続チュ−ブ２とＹ字管３（いずれも塩化ビニル
樹脂製の管状部材）の接着面にε−カプロラクタムを含
む可塑剤溶液を塗布して、これを加熱滅菌（乾燥）処理
を施して接続したものである（４はε−カプロラクタム
接着剤）。FIG. 1 is a schematic view of a medical device in which .epsilon.-caprolactam is contained on the bonding surface of a connecting tube 2 and a Y-shaped tube 3 (both are vinyl chloride resin tubular members). A plasticizer solution is applied, and this is subjected to heat sterilization (drying) treatment and connected (4 is ε-caprolactam adhesive).
【０００７】[0007]
【実施例１】ε−カプロラクタムをジ−２−エチルヘキ
シルフタレ−トに溶解し５％溶液を調整した。これを接
続チュ−ブ２の接着面に塗布してＹ字管３に挿入した。
その後、蒸気滅菌処理（１２１℃、２０分）を施して接
続した。Example 1 ε-caprolactam was dissolved in di-2-ethylhexyl phthalate to prepare a 5% solution. This was applied to the adhesive surface of the connecting tube 2 and inserted into the Y-tube 3.
After that, steam sterilization treatment (121 ° C., 20 minutes) was performed to connect.
【０００８】[0008]
【実施例２】ε−カプロラクタムをＤＩＮＡ（アジピン
酸ジイソノニル）に溶解し５％溶液を調整した。これを
接続チュ−ブ２の接着面に塗布して針基に挿入した。そ
の後、ギヤ−オ−プン中で加熱処理（１００℃、２０
分）を施して接続した。Example 2 ε-caprolactam was dissolved in DINA (diisononyl adipate) to prepare a 5% solution. This was applied to the adhesive surface of the connecting tube 2 and inserted into the needle base. After that, heat treatment in a gear open (100 ° C, 20 ° C)
Min) and connected.
【０００９】比較例１として、ジ−２−エチルヘキシル
フタレ−ト溶液を接続チュ−ブ２の接着面に塗布してＹ
字管３に挿入し、実施例１と同様に処理した。比較例２
として接続チュ−ブ２とＹ字管３をＴＨＦにより接続し
た。各接続部の引張強度を引張試験機を用いて引張速度
２００ｍｍ／ｍｉｎで、接続チュ−ブ２と接続管３をそ
れらの軸方向に引張ることで測定した。その結果を表１
に示す。As Comparative Example 1, a di-2-ethylhexyl phthalate solution was applied to the adhesive surface of the connecting tube 2 to obtain Y.
It was inserted into the character tube 3 and treated in the same manner as in Example 1. Comparative example 2
As a result, the connecting tube 2 and the Y-shaped tube 3 were connected with THF. The tensile strength of each connection portion was measured by pulling the connection tube 2 and the connection pipe 3 in their axial direction at a pulling speed of 200 mm / min using a tensile tester. The results are shown in Table 1.
Shown in.
【００１０】[0010]
【表１】 [Table 1]
【００１１】表１の結果により、本発明の実施例１、２
は溶剤接着（比較例２）と同レベルの引張強度を有する
ことがわかる。可塑剤のみ（比較例１）では若干の引張
強度を保持することができるが、手で引き抜けない程度
の実用強度（３Kgf)には至らなかった。From the results shown in Table 1, Examples 1 and 2 of the present invention are shown.
It can be seen that has the same level of tensile strength as that of solvent adhesion (Comparative Example 2). Although the plasticizer alone (Comparative Example 1) could maintain a little tensile strength, it did not reach a practical strength (3 Kgf) that could not be pulled out by hand.
【００１２】なお、本発明の管状部品の接着面にε−カ
プロラクタムを含む可塑剤溶液を塗布して密着させた後
の加熱処理条件は、７０℃で１０から３０分または１０
０から１２０℃で２から１０分の範囲であれば、３Kgf
以上の実用強度をうることができることが確認できた。
また温度を１２０℃以上にしても引張強度は高くならな
いが、バラツキが少なく安定した強度を得ることができ
る。The heat treatment conditions after applying a plasticizer solution containing ε-caprolactam to the adhesive surface of the tubular part of the present invention and bringing them into close contact with each other are at 70 ° C. for 10 to 30 minutes or 10 hours.
3 Kgf in the range of 2 to 10 minutes at 0 to 120 ° C
It was confirmed that the above practical strength could be obtained.
Further, even if the temperature is 120 ° C. or higher, the tensile strength does not increase, but there is little variation and stable strength can be obtained.
【００１３】さらに本発明の安全性を確認するために溶
出物試験を行った。溶出物試験は接続チュ−ブ２とＹ字
管３を接続したもので、比較例として接着剤を使用しな
いものを使用した。試料として、接着剤を全く用いてい
ないＹ字管（比較例３）、ε−カプロラクタムで接着し
たＹ字管（実施例３）を用いた。Further, an eluate test was conducted to confirm the safety of the present invention. In the eluate test, a connecting tube 2 and a Y-shaped tube 3 were connected, and a comparative example using no adhesive was used. As a sample, a Y-shaped tube without any adhesive (Comparative Example 3) and a Y-shaped tube bonded with ε-caprolactam (Example 3) were used.
【００１４】試験方法は、生物学的製剤基準の塩化ビニ
ル樹脂製血液セット基準、注射用蒸留水による溶出物試
験に順じ、試験項目は、ＰＨ差、ＫＭn Ｏ4 差について
行った。ＫＭn Ｏ4 差の試験方法は、日局プラ容器の試
験方法に順じ、基準は上記の塩化ビニル樹脂製血液セッ
ト基準（２ｍｌ未満）に準じた。その結果を表２に示
す。The test method was in accordance with the vinyl chloride resin blood set standard as a biological preparation standard, and the eluate test with distilled water for injection. The test items were PH difference and KM n O 4 difference. The test method for the difference in KM n O 4 was in accordance with the test method for Japanese plastic containers, and the standard was based on the above-mentioned vinyl chloride resin blood set standard (less than 2 ml). The results are shown in Table 2.
【００１５】[0015]
【表２】 [Table 2]
【００１６】表２の結果より、本発明の実施例３は比較
例３と同様に、ＰＨ差、ＫＭn Ｏ4差はいずれも基準内
で安全上問題なく医療用途に適合することが確認でき
た。From the results of Table 2, it can be confirmed that Example 3 of the present invention is compatible with medical use without any safety problem within the standard in the same manner as Comparative Example 3 in that the PH difference and the KM n O 4 difference are within the standard. It was
【００１７】本発明の実施例では、管状部品として、Ｙ
字管、接続チュ−ブ、針基を掲げたが必ずしもこれらに
限定されるものではない。また可塑剤として、ジ−２−
エチルヘキシルフタレ−ト、アジピン酸ジイソノニルを
掲げたが必ずしもこれらに限定されるものではない。In the embodiment of the present invention, the tubular component is Y
Although the character tube, the connecting tube, and the needle base are listed, they are not necessarily limited to these. As a plasticizer, di-2-
Although ethylhexyl phthalate and diisononyl adipate are listed, they are not necessarily limited to these.
【００１８】[0018]
【発明の効果】 本発明では管状部品同士の接続を充
分に保持でき、溶出物も少なく衛生的なので安心して使
用することができる。可塑剤溶液の調整と管状部品同
士への塗布、接着が容易なので組立が容易である。EFFECTS OF THE INVENTION In the present invention, the connection between tubular parts can be sufficiently maintained, and the amount of eluate is small, which is hygienic and can be used with confidence. Assembly is easy because it is easy to adjust the plasticizer solution, apply it to the tubular parts, and bond them.
【図１】本発明の医療器具の概略図FIG. 1 is a schematic view of a medical device of the present invention.
１ 医療器具 ２ 接続チュ−ブ ３ Ｙ字管 ４ ε−カプロラクタム接着剤 1 Medical device 2 Connection tube 3 Y-tube 4 ε-caprolactam adhesive
Claims (2)
ビニル樹脂製医療器具であって、前記管状部品の接着面
にε−カプロラクタムを含む可塑剤溶液を塗布したこと
を特徴とする医療器具。1. A medical device made of vinyl chloride resin, which is configured by connecting tubular parts to each other, wherein a plasticizer solution containing ε-caprolactam is applied to an adhesive surface of the tubular part. .
具の製造方法であって、前記管状部品の接着面にε−カ
プロラクタムを含む可塑剤溶液を塗布して密着させ、加
熱滅菌処理を施すことにより前記管状部品同士を接続す
ることを特徴とする医療器具の製造方法。2. The method for manufacturing a medical device made of a vinyl chloride resin according to claim 1, wherein a plasticizer solution containing ε-caprolactam is applied to and adheres to the adhesive surface of the tubular component, and heat sterilization is performed. A method for manufacturing a medical device, characterized in that the tubular parts are thereby connected to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03216386A JP3102921B2 (en) | 1991-08-02 | 1991-08-02 | Medical device and method of manufacturing medical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03216386A JP3102921B2 (en) | 1991-08-02 | 1991-08-02 | Medical device and method of manufacturing medical device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0615006A true JPH0615006A (en) | 1994-01-25 |
| JP3102921B2 JP3102921B2 (en) | 2000-10-23 |
Family
ID=16687758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03216386A Expired - Fee Related JP3102921B2 (en) | 1991-08-02 | 1991-08-02 | Medical device and method of manufacturing medical device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3102921B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6547400B1 (en) | 1998-06-04 | 2003-04-15 | Seiko Epson Corporation | Light source device, optical device, and liquid-crystal display device |
| US7229198B2 (en) | 2003-06-16 | 2007-06-12 | Mitsubishi Denki Kabushiki Kaisha | Planar light source device and display device using the same |
| US7637045B2 (en) | 2004-07-06 | 2009-12-29 | Asagicreate Co., Ltd. | Surface light source and electrically illuminated signboard |
| US8421910B2 (en) | 2000-07-25 | 2013-04-16 | Fujifilm Corporation | Electronic flash, electronic camera and light emitting head |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH071820U (en) * | 1993-06-14 | 1995-01-13 | 株式会社日研 | Writing tool storage box |
-
1991
- 1991-08-02 JP JP03216386A patent/JP3102921B2/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6547400B1 (en) | 1998-06-04 | 2003-04-15 | Seiko Epson Corporation | Light source device, optical device, and liquid-crystal display device |
| US7131735B2 (en) | 1998-06-04 | 2006-11-07 | Seiko Epson Corporation | Light source device, optical device, and liquid-crystal display device |
| US8421910B2 (en) | 2000-07-25 | 2013-04-16 | Fujifilm Corporation | Electronic flash, electronic camera and light emitting head |
| US8634021B2 (en) | 2000-07-25 | 2014-01-21 | Fujifilm Corporation | Electronic flash, electronic camera and light emitting head |
| US8675124B2 (en) | 2000-07-25 | 2014-03-18 | Fujifilm Corporation | Electronic flash, electronic camera and light emitting head |
| US9479751B2 (en) | 2000-07-25 | 2016-10-25 | Fujifilm Corporation | Electronic flash, electronic camera and light emitting head |
| US10250863B2 (en) | 2000-07-25 | 2019-04-02 | Fujifilm Corporation | Electronic flash, electronic camera and light emitting head |
| US10326970B1 (en) | 2000-07-25 | 2019-06-18 | Fujifilm Corporation | Electronic flash, electronic camera and light emitting head |
| US7229198B2 (en) | 2003-06-16 | 2007-06-12 | Mitsubishi Denki Kabushiki Kaisha | Planar light source device and display device using the same |
| US7350951B2 (en) | 2003-06-16 | 2008-04-01 | Mitsubishi Denki Kabushiki Kaisha | Planar light source device and display device using the same device |
| US7637045B2 (en) | 2004-07-06 | 2009-12-29 | Asagicreate Co., Ltd. | Surface light source and electrically illuminated signboard |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3102921B2 (en) | 2000-10-23 |
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