JPH0586745B2 - - Google Patents
Info
- Publication number
- JPH0586745B2 JPH0586745B2 JP62309589A JP30958987A JPH0586745B2 JP H0586745 B2 JPH0586745 B2 JP H0586745B2 JP 62309589 A JP62309589 A JP 62309589A JP 30958987 A JP30958987 A JP 30958987A JP H0586745 B2 JPH0586745 B2 JP H0586745B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- parts
- vinyl chloride
- manufacturing
- transparent
- 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.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
- B29C65/1435—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. transmission welding
- B29C65/1441—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. transmission welding making use of a reflector on the opposite side, e.g. a polished mandrel or a mirror
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
- B29C65/1445—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface heating both sides of the joint
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
- B29C65/1464—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface making use of several radiators
- B29C65/1467—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface making use of several radiators at the same time, i.e. simultaneous welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5224—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces
- B29C66/52241—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces with two right angles, e.g. for making T-shaped pieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5229—Joining tubular articles involving the use of a socket
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は血液回路、輪液回路等を構成する医療
用器具の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for manufacturing medical instruments constituting blood circuits, circulatory fluid circuits, and the like.
［従来の技術］
一般に、血液回路、輪液回路等を構成する医療
用器具は、その優れた加工性、生理的安全性、透
明性等の点から、主として塩化ビニル樹脂にて形
成されている。[Prior Art] Generally, medical devices constituting blood circuits, fluid circuits, etc. are mainly made of vinyl chloride resin due to its excellent processability, physiological safety, transparency, etc. .
従来、塩化ビニル樹脂製成形部品と塩化ビニル
樹脂製チユーブとの組立は以下の〜等の方法
にてなされている。 Conventionally, a vinyl chloride resin molded part and a vinyl chloride resin tube have been assembled by the following methods.
THF（テトラヒドロフラン）、シクロヘキサ
ン等の塩化ビニル重合体を溶解し得る溶剤を上
記成形部品とチユーブの接合部に塗布し、該接
合部を溶解および再固化させて接合する方法。 A method of joining by applying a solvent capable of dissolving the vinyl chloride polymer, such as THF (tetrahydrofuran) or cyclohexane, to the joint between the molded part and the tube, dissolving and resolidifying the joint.
高周波ウエルダーを用いて上記接合部を融着
させる方法。 A method of fusing the above-mentioned joint using a high-frequency welder.
特開昭60−63063号公報に開示される如く、
可塑剤を配合してなる塩化ビニル重合体ペース
トレジンを上記接合部に充填した後、熱滅菌に
より加熱してペーストレジンを固化することに
て上記接合部を接合する方法。 As disclosed in Japanese Patent Application Laid-open No. 60-63063,
A method of joining the joint parts by filling the joint parts with a vinyl chloride polymer paste resin containing a plasticizer and then heating by heat sterilization to solidify the paste resin.
特開昭55−103920号公報に開示される如く、
プラスチツクの赤外線加熱溶着方法を用い、ヒ
ーター側のプラスチツクを透明または半透明と
し、他方を不透明とした被接合片にハロゲンラ
ンプ等を用いて、赤外線を照射してプラスチツ
ク材を溶着する方法。 As disclosed in Japanese Patent Application Laid-Open No. 55-103920,
A method of welding plastic materials by infrared heat welding, in which the plastic on the heater side is transparent or translucent, and the other side is opaque, and the pieces to be joined are irradiated with infrared rays using a halogen lamp, etc.
［発明が解決しようとする問題点］
しかしながら、上記従来の接合方法にはそれぞ
れ以下の問題点がある。[Problems to be Solved by the Invention] However, each of the above conventional joining methods has the following problems.
THF等を用いた溶剤接合方法は、人工透析
用血液回路等の人体に継続的に使用されるもの
については、溶剤が該血液回路等に溶出するお
それがあり必ずしも好ましくない。 Solvent bonding methods using THF or the like are not necessarily preferable for devices that are continuously used in the human body, such as blood circuits for artificial dialysis, because the solvent may be eluted into the blood circuits.
高周波ウエルダーによる融着方法は、密着部
に外部損傷変形をともなう。 The fusion method using a high-frequency welder causes external damage and deformation to the bonded area.
可塑剤を配合してなる塩化ビニル重合体ペー
ストレジンを用いる方法は、前記成形部品とチ
ユーブとを嵌合組立した後、ペーストレジンを
熱滅菌にて固化するまでの過程では、接合部に
十分な接合強度を得られないので、それら成形
部品とチユーブとの嵌合組立状態が外れてしま
う可能性がある。 In the method of using a vinyl chloride polymer paste resin mixed with a plasticizer, after the molded part and the tube are fitted together and assembled, the paste resin is heat sterilized to solidify the joint. Since the bonding strength cannot be obtained, there is a possibility that the fitting and assembled state of the molded parts and the tube will come undone.
特開昭55−103920号公報に記載されるプラス
チツクの赤外線加熱溶着方法によるものは、具
体的には、黒色のポリプロピレンと黄色半透明
のポリプロピレンの接合方法であり、それらの
プラスチツクの着色剤が溶出するおそれがあ
る。 Specifically, the infrared heat welding method for plastics described in JP-A-55-103920 is a method for joining black polypropylene and yellow translucent polypropylene, and the coloring agent of these plastics is eluted. There is a risk of
本発明は、塩化ビニル樹脂製成形部品と塩化ビ
ニル樹脂製チユーブ等の互いに熱による接着性を
示す複数の部品を接合するに際し、医療用器具の
生理的安全性を損なうおそれがなく、また密着部
に外部損傷変形をともなうことなく、さらに医療
用器具の滅菌前に確実に接合することを目的とす
る。 The present invention eliminates the risk of impairing the physiological safety of medical instruments when joining a plurality of parts that exhibit thermal adhesiveness to each other, such as a molded part made of vinyl chloride resin and a tube made of vinyl chloride resin. The purpose is to reliably join medical instruments before sterilization without causing external damage or deformation.
［課題を解決するための手段］
本発明は、互いに透明または半透明の塩化ビニ
ル樹脂製の複数の部品を接着してなる医療用器具
の製造方法であつて、該部品の接着面の間に透明
または半透明の可塑剤を充填して密着し、上記密
着部に光ビームを照射して加熱することにより上
記部品同士を接着するようにしたものである。[Means for Solving the Problems] The present invention is a method for manufacturing a medical device in which a plurality of parts made of transparent or translucent vinyl chloride resin are adhered to each other, and in which a The parts are bonded together by filling them with a transparent or semi-transparent plasticizer so that they stick together, and then heating the parts by irradiating them with a light beam.
［作用］
本発明によれば、下記〜の作用効果があ
る。[Function] According to the present invention, there are the following effects.
透明または半透明のポリ塩化ビニル樹脂製部
品同士の接合面に透明または半透明の可塑剤を
介在させて接合するものであり、接着剤の溶出
のおそれがない。また、塩化ビニル重合体等を
溶解し得る溶剤を用いないので、溶剤の毒性が
医療用器具の生理的安全性を損なうおそれがな
い。 Transparent or translucent polyvinyl chloride resin parts are joined together with a transparent or translucent plasticizer interposed between their joining surfaces, so there is no risk of adhesive elution. Furthermore, since a solvent that can dissolve vinyl chloride polymer or the like is not used, there is no risk of the toxicity of the solvent impairing the physiological safety of the medical device.
成形部品とチユーブ等の複数の部品を非接触
で接合するから、密着部に外部損傷変形を伴う
ことがない。 Since molded parts and multiple parts such as tubes are joined without contact, there is no external damage or deformation to the closely joined parts.
成形部品とチユーブ等の複数の部品を嵌合組
立後直ちにそれらの密着部に光ビームを照射す
ることができるから、熱滅菌前の段階で確実に
接合でき、それらの嵌合組立状態が外れてしま
う如くのおそれもない。 Immediately after fitting and assembling multiple parts such as molded parts and tubes, a light beam can be irradiated to the parts that are in close contact with each other, so it is possible to reliably join them before heat sterilization and prevent them from coming out of their fitted and assembled state. There is no fear that it will disappear.
［実施例］
第１図は本発明の実施に用いられる接合装置の
一例を示す模式図、第２図は接合装置の他の例を
示す模式図、第３図は光ビームの焦点を被接合チ
ユーズの中心部に設定した状態を示す模式図、第
４図は光ビームの焦点を成形部品とチユーブの嵌
合面に設定した状態を示す模式図、第５図は成形
部品とチユーブとの接合例を示す斜視図、第６図
は本発明の効果を示す図表、第７図は本発明の効
果を示す他の図表である。[Example] Fig. 1 is a schematic diagram showing an example of a bonding device used for carrying out the present invention, Fig. 2 is a schematic diagram showing another example of the bonding device, and Fig. 3 is a schematic diagram showing an example of a bonding device used in carrying out the present invention. A schematic diagram showing the state in which the light beam is set at the center of the tube. Figure 4 is a schematic diagram showing the state in which the focus of the light beam is set on the mating surface of the molded part and the tube. Figure 5 is a diagram showing the joint between the molded part and the tube. A perspective view showing an example, FIG. 6 is a chart showing the effects of the present invention, and FIG. 7 is another chart showing the effects of the present invention.
第５図は人工透析用血液回路等を構成する医療
用器具１の一部であり、透明または半透明の塩化
ビニル樹脂からなるＴ字管等の成形部品２と、同
じく透明または半透明の塩化ビニル樹脂からなる
チユーブ３とを嵌合組立後、以下の如くにて接合
されたものである。 Figure 5 shows a part of a medical device 1 constituting a blood circuit for artificial dialysis, etc., and shows a molded part 2 such as a T-tube made of transparent or semi-transparent vinyl chloride resin, and a molded part 2 made of transparent or semi-transparent vinyl chloride resin. After fitting and assembling the tube 3 made of vinyl resin, they are joined as follows.
すなわち、第１図に示す接合装置１０にあつて
は、照射ランプの一例としてのキセノンランプ１
１を成形部品２とチユーブ３の嵌合密着部の片側
に配置し、このランプ１１の照射光を反射鏡１２
により集光ビームとする。さらに、この集光ビー
ムにより成形部品２とチユーブ３の嵌合密着部を
照射して加熱し、照射後の上記密着部を自然放冷
または冷風による強制冷却等にて冷却することに
よりブロツキングまたは融着する。なお、成形部
品２とチユーブ３の嵌合密着部の片側にハロゲン
ランプ等の他の照射ランプを配置するものであつ
てもよい。 That is, in the bonding apparatus 10 shown in FIG. 1, a xenon lamp 1 as an example of an irradiation lamp is used.
1 is placed on one side of the fitting part of the molded part 2 and the tube 3, and the irradiated light from this lamp 11 is reflected by the reflecting mirror 12.
to create a focused beam. Furthermore, this condensed beam irradiates and heats the fitting part of the molded part 2 and the tube 3, and after the irradiation, the said fitting part is cooled by natural cooling or forced cooling with cold air to prevent blocking or melting. wear. Note that another irradiation lamp such as a halogen lamp may be disposed on one side of the fitting portion of the molded part 2 and the tube 3.
また、第２図に示す接合装置２０にあつては、
照射ランプの一例としてのハロゲンランプ２１を
成形部品２とチユーブ３の嵌合密着部の両側に配
置し、このランプ２１の照射光を反射鏡２２によ
り集光ビームとする。さらに、この集光ビームに
より成形部品２とチユーブ３の嵌合密着部を照射
して加熱し、照射後の上記密着部を自然放冷また
は冷風による強制冷却等にて冷却することにより
ブロツキングまたは融着する。なお、成形部品２
とチユーブ３の嵌合密着部の両側にキセノンラン
プ等の他の照射ランプを配置するものであつても
よい。 Moreover, in the case of the joining device 20 shown in FIG.
A halogen lamp 21 as an example of an irradiation lamp is placed on both sides of the fitting portion of the molded part 2 and the tube 3, and the irradiation light of this lamp 21 is made into a condensed beam by a reflecting mirror 22. Furthermore, this condensed beam irradiates and heats the fitting part of the molded part 2 and the tube 3, and after the irradiation, the said fitting part is cooled by natural cooling or forced cooling with cold air to prevent blocking or melting. wear. In addition, molded part 2
Other irradiation lamps such as xenon lamps may be arranged on both sides of the fitting and tight fitting portion of the tube 3.
ところで、本発明の実施において、照射ランプ
が照射する光ビームの焦点は、第３図に示す如
く被接合チユーブ３の中心部に設定してもよく、
あるいは第４図に示す如く成形部品２とチユーブ
３の嵌合面に設定してもよい。 By the way, in carrying out the present invention, the focus of the light beam irradiated by the irradiation lamp may be set at the center of the tube 3 to be joined, as shown in FIG.
Alternatively, as shown in FIG. 4, it may be set on the fitting surfaces of the molded part 2 and the tube 3.
また、照射ランプは供給電圧および照射時間を
調整でき、成形部品２とチユーブ３の密着部を適
度に加熱することができる。この時、第２図に示
した接合装置２０における如く、成形部品２とチ
ユーブ３の密着部の両側に照射ランプを配置する
場合には、密着部に供給される熱エネルギー密度
が高くなり、より短時間に所望の加熱状態を得る
ことが可能となる。 Furthermore, the supply voltage and irradiation time of the irradiation lamp can be adjusted, and the contact portion between the molded part 2 and the tube 3 can be appropriately heated. At this time, when the irradiation lamps are arranged on both sides of the contact area between the molded part 2 and the tube 3 as in the bonding apparatus 20 shown in FIG. 2, the thermal energy density supplied to the contact area becomes higher and It becomes possible to obtain a desired heating state in a short time.
なお、第８図に示す接合装置３０における如
く、成形部品２とチユーブ３の嵌合密着部を挟ん
で、一方側に照射ランプ３１、反射鏡３２を配置
し、他方側に反射鏡３３を配置してもよい。これ
によれば、嵌合密着部の広い範囲を効果的に加熱
できる。 In addition, as in the bonding apparatus 30 shown in FIG. 8, an irradiation lamp 31 and a reflecting mirror 32 are arranged on one side of the fitting portion of the molded part 2 and the tube 3, and a reflecting mirror 33 is arranged on the other side. You may. According to this, it is possible to effectively heat a wide range of the fitting and tight contact portion.
また、第９図に示す接合装置４０における如
く、成形部品２とチユーブ３の嵌合密着部を挟ん
で、一方側に複数組の照射ランプ４１、反射鏡４
２を配置し、他方側に反射鏡４３を配置してもよ
い。これによれば、嵌合密着部のより広い範囲を
効果的に加熱できる。 In addition, as in the bonding device 40 shown in FIG.
2 and the reflecting mirror 43 may be placed on the other side. According to this, it is possible to effectively heat a wider range of the fitting and tight contact portion.
また、成形部品２とチユーブ３とは、両者を
直接的に嵌合組立、両者の密着部に予め後述す
る如くの可塑剤を配合した透明または半透明の塩
化ビニル重合体ペーストレジンを充填して嵌合組
立、または両者の密着部に透明または半透明の
可塑剤を充填して嵌合組立のいずれかを採用でき
る。この時、接合強度は≧≧となり、が
最も安定かつ有利となる。 In addition, the molded part 2 and tube 3 are assembled by directly fitting them together, and the contact area between the two is filled in advance with a transparent or translucent vinyl chloride polymer paste resin mixed with a plasticizer as described below. Either a fitting assembly or a fitting assembly in which a transparent or translucent plasticizer is filled in the close contact portion between the two can be employed. At this time, the bonding strength is ≧≧, which is the most stable and advantageous.
ここで、本発明で前述のにて使用される可塑
剤を配合してなる塩化ビニル重合体ペーストレジ
ンとは、粒径0.02〜2μm、好ましくは0.1〜10μm
の塩化ビニル重合体の微細粉末を可塑剤に均一に
分散懸濁させてなるものである。微粉末状塩化ビ
ニル重合体としては塩化ビニルのホモポリマーの
他に、塩化ビニリデン、酢酸ビニル、ビニルアル
コール等のコモノマーと塩化ビニルとのコポリマ
ーがあり、該コポリマーの場合には塩化ビニルと
結合とするコモノマーの量は15モル％以下、好ま
しくは３〜７モル％である。これらのホモポリマ
ーおよびコポリマーの平均重合度は200〜1000、
好ましくは300〜600である。ペーストレジンは、
このような微粉末状塩化ビニル重合体を可塑剤中
に分散懸濁してなるもので、その固形分は１〜10
重量％、好ましくは４〜６重量％である。このよ
うな塩化ビニル重合体を懸濁させる可塑剤として
は、ジ−２−エチルヘキシルフタレート、ジ−ｎ
−オクチルフタレート、ジイソオクチルフタレー
ト、ジヘプチルフタレート、ジデシルフタレー
ト、ジイソデシルフタレート、オクチルデシルフ
タレート、ブチルペンジルフタレート等のフタル
酸エステル類、トリブチルトリメリテート、トリ
オクリルトリメリテート等のトリメリツト酸エス
テル類、ジオクリルアジペート、ジオクチルアセ
レート、ジオクチルセパケート等の脂肪族多塩基
酸エステル類、トリクレジルホスフエート、トリ
キシレニルホスフエート、モノオクチルジフエニ
ルホスフエート、モノブチルジキシレニルホスフ
エート、トリオクチルホスフエート類のリン酸エ
ステル類、トリブチルアセチルシトレート、トリ
オクチルアセチルシトレート、トリブチルシトレ
ート等のクエン酸エステル類、ブチルフタリルブ
チルグリコレート等がある。本発明で前述のに
て使用される接着剤は、このようなペーストレジ
ン１重量部に対して０〜20重量部、好ましくは１
〜10重量部、最も好ましくは約５重量部の可塑剤
をさらに配合してなるものであり、可塑剤として
は前記の如きものが使用される。 Here, the vinyl chloride polymer paste resin blended with a plasticizer used in the above-mentioned in the present invention has a particle size of 0.02 to 2 μm, preferably 0.1 to 10 μm.
It is made by uniformly dispersing and suspending fine powder of vinyl chloride polymer in a plasticizer. In addition to homopolymers of vinyl chloride, fine powder vinyl chloride polymers include copolymers of vinyl chloride and comonomers such as vinylidene chloride, vinyl acetate, and vinyl alcohol, and in the case of such copolymers, they are bonded with vinyl chloride. The amount of comonomer is up to 15 mol%, preferably from 3 to 7 mol%. The average degree of polymerization of these homopolymers and copolymers is between 200 and 1000,
Preferably it is 300-600. Paste resin is
It is made by dispersing and suspending such a finely powdered vinyl chloride polymer in a plasticizer, and its solid content is 1 to 10
% by weight, preferably 4-6% by weight. Plasticizers for suspending such vinyl chloride polymers include di-2-ethylhexyl phthalate, di-n
- Phthalic acid esters such as octyl phthalate, diisooctyl phthalate, diheptyl phthalate, didecyl phthalate, diisodecyl phthalate, octyldecyl phthalate, butylpenzyl phthalate, trimellitic acid esters such as tributyl trimellitate, triocryl trimellitate, etc. aliphatic polybasic acid esters such as diocryl adipate, dioctyl acelate, dioctyl sepacate, tricresyl phosphate, tricylenyl phosphate, monooctyl diphenyl phosphate, monobutyl dixylenyl phosphate, Examples include phosphoric acid esters of trioctyl phosphates, citric acid esters such as tributyl acetyl citrate, trioctyl acetyl citrate, and tributyl citrate, and butylphthalyl butyl glycolate. The adhesive used in the above-mentioned method of the present invention is used in an amount of 0 to 20 parts by weight, preferably 1 part by weight, per 1 part by weight of such paste resin.
It further contains up to 10 parts by weight, most preferably about 5 parts by weight, of a plasticizer, and the plasticizers used are those mentioned above.
なお、本発明で前述のにて使用される可塑剤
は、上記塩化ビニル重合体ペーストレジンを懸濁
させる可塑剤の如きものが使用される。 The plasticizer used in the above-mentioned embodiments of the present invention is a plasticizer that suspends the vinyl chloride polymer paste resin.
なお、医療用器具を構成する塩化ビニル樹脂と
しては、塩化ビニルのホモポリマーの他に、塩化
ビニリデン、酢酸ビニル、ビニルアルコール等と
塩化ビニルとのコポリマーがあり、該コポリマー
の場合には、感化ビニルと結合するコモノマーの
量は15モル％以下、好ましくは３〜７モル％であ
る。 In addition to homopolymers of vinyl chloride, vinyl chloride resins constituting medical instruments include copolymers of vinyl chloride, vinyl acetate, vinyl alcohol, etc., and in the case of such copolymers, sensitized vinyl The amount of comonomer combined with is 15 mol% or less, preferably 3 to 7 mol%.
以下、本発明の実験結果について説明する。 Hereinafter, experimental results of the present invention will be explained.
透明または半透明の塩化ビニル樹脂製Ｔ字管と
透明または半透明の塩化ビニル樹脂製チユーブ
（内径4.7mm、外径6.7mm）とを、ハロゲンランプ
（ARGUS近赤外線加熱装置：(株)エース商会）の
光ビームを用いて接合した。 A transparent or translucent vinyl chloride resin T-tube and a transparent or translucent vinyl chloride resin tube (inner diameter 4.7 mm, outer diameter 6.7 mm) were heated using a halogen lamp (ARGUS near-infrared heating device: Ace Shokai Co., Ltd.). ) was used for bonding.
この時、Ｔ字管とチユーブの密着部に予め可塑
剤を配合した透明または半透明の塩化ビニル重合
体ペーストレジン、もしくは透明または半透明の
可塑剤のみを充填することとした。この充填液
は、99.0％以上のポリ塩化ビニル樹脂を含むレ
ジン（ビニカP440）100重量部に対し、1937重量
部の可塑剤（DOP：ジオキチルフタレート）、お
よび67重量部の核剤マスターバツチ（ゲルマスタ
ーOP05）を配合したものを原液とし、１容積
の上記原液を、さらに４容積の可塑剤（DOP）
にて５倍に希釈したものを用いた。 At this time, it was decided that a transparent or translucent vinyl chloride polymer paste resin containing a plasticizer in advance, or only a transparent or translucent plasticizer, would be filled in the contact area between the T-tube and the tube. This filling liquid contains 1937 parts by weight of a plasticizer (DOP: diochyl phthalate) and 67 parts by weight of a nucleating agent master batch ( Gel Master OP05) is used as a stock solution, and 1 volume of the above stock solution is added to 4 volumes of plasticizer (DOP).
A 5-fold dilution was used.
実験は、以下の如くなされた。 The experiment was conducted as follows.
チユーブ先端に少量の、可塑剤を配合した塩
化ビニル重量体ペーストレジン、もしくは可塑
剤のみを塗布し、これをＴ字管に挿入した。 A small amount of vinyl chloride heavy paste resin containing a plasticizer or only a plasticizer was applied to the tip of the tube, and this was inserted into the T-tube.
チユーブとＴ字管の密着部をハロゲンランプ
が照射する光ビームの焦点位置に設定し、光ビ
ームを１秒〜５秒の間照射した。ハロゲンラン
プによる照射動作は、密着部の片側から１回も
しくは両側から併せて２回のいずれかにて行な
つた。 The close contact portion between the tube and the T-tube was set at the focal point of the light beam irradiated by the halogen lamp, and the light beam was irradiated for 1 to 5 seconds. The irradiation operation with the halogen lamp was performed either once from one side of the contact area or twice from both sides.
上記照射後、密着部を放冷して接合状態を確
認した。 After the above irradiation, the bonded area was allowed to cool and the bonded state was confirmed.
接合した密着部の引張強度を測定した。引張
強度はチユーブとＴ字管とをそれらの軸方向に
引張ることにて実施した。 The tensile strength of the bonded joint was measured. The tensile strength was measured by pulling the tube and T-tube in their axial directions.
第６図は光ビームの焦点を被接合チユーブの中
心部に設定した時の実験結果であり、第７図は光
ビームの焦点をチユーブとＴ字管の嵌合面に設定
した時の実施結果である。第６図および第７図に
よれば以下のことが明らかになつた。 Figure 6 shows the experimental results when the focus of the light beam is set at the center of the tube to be joined, and Figure 7 shows the experimental results when the focus of the light beam is set at the mating surface of the tube and T-tube. It is. According to FIGS. 6 and 7, the following was clarified.
チユーブとＴ字管の間に可塑剤を配合した塩
化ビニル重合体ペーストレジンを充填するか、
可塑剤のみを充填するかは、接合強度にほとん
ど影響しない。いずれの場合も、５秒照射する
と表面が溶ける状態となり、３秒以上で接着力
が強くなる。 Fill the spaces between the tubes with vinyl chloride polymer paste resin mixed with a plasticizer, or
Whether only plasticizer is filled has little effect on bonding strength. In either case, the surface melts after 5 seconds of irradiation, and the adhesive strength increases after 3 seconds or more.
ハロゲンランプを密着部の両側から２回照射
する場合には、密着部を全周にわたつてかつ強
い接合強度で確実に接合できた。 When the halogen lamp was irradiated twice from both sides of the adhesion area, the adhesion area could be reliably bonded over the entire circumference with strong bonding strength.
光ビームの焦点位置を被接合チユーブの中心
部に設定するか、チユーブとＴ字管の嵌合面に
設定するかは、接合強度にほとんど影響しな
い。 Whether the focal position of the light beam is set at the center of the tube to be joined or at the fitting surface between the tube and the T-shaped tube has little effect on the joining strength.
なお、上記実験の結果、照射後の放冷により十
分な接合強度を得ることができたものと認められ
る。しかしながら、照射直後の加熱状態下での引
張強度はほとんどなく、曲げに対しはがれなくな
るのに約１分必要であつた。また、冷風による強
制冷却にあつても、必要な接合強度を得るために
は30秒以上の冷却時間が必要であることが認めら
れた。 Furthermore, as a result of the above experiment, it is recognized that sufficient bonding strength could be obtained by allowing the material to cool after irradiation. However, it had almost no tensile strength under the heated state immediately after irradiation, and it took about 1 minute for it to stop peeling off when bent. Furthermore, even when forced cooling is performed using cold air, it was found that a cooling time of 30 seconds or more is required to obtain the necessary bonding strength.
［発明の効果］
以上のように、本発明によれば、塩化ビニル樹
脂製成形部品と塩化ビニル樹脂製チユーブ等の互
いに熱による接着性を示す複数の部品を接合する
に際し、医療用器具の生理的安全性を損なうおそ
れがなく、また密着部に外部損傷変形をともなう
ことなく、さらに医療用器具の滅菌前に確実に接
合することができる。[Effects of the Invention] As described above, according to the present invention, when joining a plurality of parts that exhibit thermal adhesiveness to each other, such as a molded part made of vinyl chloride resin and a tube made of vinyl chloride resin, There is no risk of compromising physical safety, and there is no external damage or deformation to the adhering portion, and furthermore, it is possible to reliably join the medical instrument before sterilization.
第１図は本発明の実施に用いられる接合装置の
一例を示す模式図、第２図は接合装置の他の例を
示す模式図、第３図は光ビームの焦点を被接合チ
ユーブの中心部に設定した状態を示す模式図、第
４図は光ビームの焦点を成形部品とチユーブの嵌
合面に設定した状態を示す模式図、第５図は成形
部品とチユーブとの接合例を示す斜視図、第６図
は本発明の効果を示す図表、第７図は本発明の効
果を示す他の図表、第８図は接合装置の他の例を
示す模式図、第９図は接合装置の他の例を示す模
式図である。
１……医療用器具、２……成形部品、３……チ
ユーブ、１０，２０，３０，４０……接合装置、
１１，２１，３１，４１……照射ランプ。
FIG. 1 is a schematic diagram showing an example of a bonding device used in carrying out the present invention, FIG. 2 is a schematic diagram showing another example of the bonding device, and FIG. 3 is a schematic diagram showing another example of the bonding device. Fig. 4 is a schematic diagram showing a state where the focus of the light beam is set on the fitting surface of the molded part and tube, and Fig. 5 is a perspective view showing an example of joining the molded part and tube. 6 is a chart showing the effects of the present invention, FIG. 7 is another chart showing the effects of the present invention, FIG. 8 is a schematic diagram showing another example of the bonding device, and FIG. 9 is a schematic diagram showing the bonding device. FIG. 7 is a schematic diagram showing another example. 1... Medical instrument, 2... Molded part, 3... Tube, 10, 20, 30, 40... Joining device,
11, 21, 31, 41...irradiation lamp.
Claims (1)
の複数の部品を接着してなる医療用器具の製造方
法であつて、該部品の接着面の間に透明または半
透明の可塑剤を充填して密着し、上記密着部に光
ビームを照射して加熱することにより上記部品同
士を接着することを特徴とする医療用器具の製造
方法。 ２ 特許請求の範囲第１項において、光ビームを
照射される前記部品の密着部に予め可塑剤を配合
した透明または半透明の塩化ビニル重合体ペース
トレジンを充填してなる医療用器具の製造方法。 ３ 特許請求の範囲第１項において、光ビームが
照射ランプの集光ビームであり、照射ランプが前
記密着部の片側に配置される医療用器具の製造方
法。 ４ 特許請求の範囲第１項において、光ビームが
照射ランプの集光ビームであり、照射ランプが前
記密着部の両側に配置される医療用器具の製造方
法。 ５ 特許請求の範囲第１項において、照射ランプ
がハロゲンランプである医療用器具の製造方法。 ６ 特許請求の範囲第１項において、照射ランプ
がキセノンランプである医療用器具の製造方法。[Claims] 1. A method for manufacturing a medical device by bonding a plurality of parts made of transparent or translucent vinyl chloride resin to each other, wherein a transparent or translucent plastic resin is bonded between the adhesive surfaces of the parts. A method for manufacturing a medical device, characterized in that the parts are bonded together by filling the parts with an agent and bringing them into close contact with each other, and heating the parts by irradiating a light beam onto the parts that come in close contact with each other. 2. A method for manufacturing a medical device according to claim 1, wherein the close contact portion of the component that is irradiated with a light beam is filled with a transparent or translucent vinyl chloride polymer paste resin containing a plasticizer in advance. . 3. The method of manufacturing a medical instrument according to claim 1, wherein the light beam is a condensed beam of an irradiation lamp, and the irradiation lamp is arranged on one side of the contact portion. 4. The method of manufacturing a medical instrument according to claim 1, wherein the light beam is a condensed beam of an irradiation lamp, and the irradiation lamps are arranged on both sides of the contact portion. 5. The method of manufacturing a medical device according to claim 1, wherein the irradiation lamp is a halogen lamp. 6. The method of manufacturing a medical device according to claim 1, wherein the irradiation lamp is a xenon lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62309589A JPH01151464A (en) | 1987-12-09 | 1987-12-09 | Manufacture of medical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62309589A JPH01151464A (en) | 1987-12-09 | 1987-12-09 | Manufacture of medical device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01151464A JPH01151464A (en) | 1989-06-14 |
| JPH0586745B2 true JPH0586745B2 (en) | 1993-12-14 |
Family
ID=17994851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62309589A Granted JPH01151464A (en) | 1987-12-09 | 1987-12-09 | Manufacture of medical device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01151464A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL101680A (en) * | 1992-04-23 | 1995-08-31 | Travenol Lab Israel Ltd | Blood sampling device |
| EP2001655B1 (en) * | 2006-04-06 | 2015-01-07 | Fresenius Medical Care Deutschland GmbH | Transmission laser welding method for joining molded plastic articles |
| EP2159037B1 (en) | 2008-08-28 | 2011-04-13 | Leister Process Technologies | Connection or branching element for connecting with a tube end section using the laser radiation method and laser head and connection method |
| JP2021178442A (en) * | 2020-05-12 | 2021-11-18 | 泉工医科工業株式会社 | Manufacturing method of molded products and manufacturing method of medical assembly |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51134770A (en) * | 1975-05-20 | 1976-11-22 | Ushio Electric Inc | Method of fusionnwelding resin |
| JPS55103920A (en) * | 1979-02-05 | 1980-08-08 | Yazaki Corp | Thermal fusion welding method using infrared rays |
-
1987
- 1987-12-09 JP JP62309589A patent/JPH01151464A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01151464A (en) | 1989-06-14 |
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