JPH0364A - Method and device for mounting port of bag for medical treatment - Google Patents

Method and device for mounting port of bag for medical treatment

Info

Publication number
JPH0364A
JPH0364A JP1133478A JP13347889A JPH0364A JP H0364 A JPH0364 A JP H0364A JP 1133478 A JP1133478 A JP 1133478A JP 13347889 A JP13347889 A JP 13347889A JP H0364 A JPH0364 A JP H0364A
Authority
JP
Japan
Prior art keywords
port
mold
bag
medical bag
attaching
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
Application number
JP1133478A
Other languages
Japanese (ja)
Other versions
JPH0638832B2 (en
Inventor
Shoji Kawamoto
川本　昇司
Jun Futagawa
二川　準
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissho Corp
Original Assignee
Nissho Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15105716&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH0364(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nissho Corp filed Critical Nissho Corp
Priority to JP1133478A priority Critical patent/JPH0638832B2/en
Publication of JPH0364A publication Critical patent/JPH0364A/en
Publication of JPH0638832B2 publication Critical patent/JPH0638832B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C66/003—Protecting areas of the parts to be joined from overheating
    • 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
    • B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
    • B29C66/0042—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined
    • B29C66/0044—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool
    • 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
    • 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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/133—Fin-type joints, the parts to be joined being flexible
    • 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
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
    • B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
    • 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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
    • B29C66/53261—Enclosing tubular articles between substantially flat elements
    • B29C66/53262—Enclosing spouts between the walls of bags, e.g. of medical bags
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81815—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the clamps
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
    • B29C66/8432—Machines for making separate joints at the same time mounted in parallel or in series
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7148—Blood bags, medical bags

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Bag Frames (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To manufacture a bag for medical treatment prevented from leakage of a liquid content by a method wherein a port is inserted through a port insertion part, the peripheral edge part, centering around the port insertion part, of the bag for medical treatment is heated by using a heating mold, and the port and the bag for medical treatment are welded to each other. CONSTITUTION:A port 11 for an liquid inlet and outlet is cut to a proper length and is inserted in a port insertion part 14 of a blood bag 10. Mold release sheets 13 and 13' are placed in the placing surface of a lower cooling mold 1, and a blood bag 10 is placed thereon so that the port 11 inserted in the port insertion part 14 is placed in a recessed groove 2'. The mold release sheets 13 and 13' and sheets 12 and 12', and the port 11 are nipped between upper and lower cooling molds 3 and 1 to integrally form them. With this state, a press surface 8 of an upper heating mold 4 is engaged with a hole 7 of the lower cooling mold 3, and a press surface 8' of a lower heating mold 9 is engaged with a hole 7' of the lower cooling mold 1. The port 11 and sheets 12 and 12' of a blood bag are welded to each other as the press surfaces 8 and 8' are pressed from a position above the mold release sheets 13 and 13', and the port 11 is mounted to the blood bag 10.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は医療用バッグに液体出入口用ポートを取付ける
方法と装置に関し、更に詳しくは医療用バッグのポート
挿着部分にポートを挿入し、加熱金型に隣接する部位を
冷却しながら、ポートと医療用バングを溶着する血液用
または薬液用バッグにポートを取り付ける方法と装置に
関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method and apparatus for attaching a liquid inlet/outlet port to a medical bag, and more specifically, the present invention relates to a method and apparatus for attaching a liquid inlet/outlet port to a medical bag. The present invention relates to a method and apparatus for attaching a port to a blood or drug bag for welding the port and a medical bag while cooling the area adjacent to the mold.

〔従来の技術〕[Conventional technology]

従来、柔軟性の医療用バッグに円筒状の液体出入口用ポ
ートを溶着する方法として、インパルスシーラーを用い
て溶着する方法、超音波発生装置を用いて溶着する方法
、高周波ウェルダーを用いて溶着する方法等積々の方法
が提案されている。Conventional methods for welding cylindrical liquid inlet/outlet ports to flexible medical bags include methods of welding using an impulse sealer, methods of welding using an ultrasonic generator, and methods of welding using a high frequency welder. Equal stacking methods have been proposed.

また加熱金型を用いる方法として、ポートの断面を扁平
状にして、ポートの側壁とシートとを均一に溶着するこ
とにより、ポート付近でのシール不良を防止する方法（
特開昭５１−１２８１９３号公報）が知られている。Another method using a heated mold is to flatten the cross section of the port and uniformly weld the side wall of the port and the sheet to prevent seal failure near the port.
JP-A-51-128193) is known.

〔発明が解決しようとする課題］ しかしながら、いずれの方法も一長一短がありポートと
バッグの溶着面に弛みを形成せず、液体収容物の漏洩の
ない医療用バッグを効率よく製造するのに問題があった
。[Problems to be Solved by the Invention] However, each method has advantages and disadvantages, and there are problems in efficiently manufacturing a medical bag that does not form slack on the welded surface of the port and bag and does not leak the liquid contained therein. there were.

特に、加熱金型を用いてポート挿着部分に挿入されたポ
ートとバッグとを加圧溶着する場合には溶着箇所と非溶
着箇所の境界付近で、バッグ構成材料である非溶着シー
トが収縮し、円筒形状のホトのふくらみによるシートの
引っ張りによってシートが耐えきれなくなり、シートに
破れが発生することがあった。In particular, when pressure welding the port inserted into the port insertion part and the bag using a heated mold, the non-weld sheet, which is the bag's constituent material, shrinks near the boundary between the welded area and the non-welded area. In some cases, the sheet could no longer withstand the tension caused by the bulge of the cylindrical photo, causing the sheet to tear.

本発明は軟土の事情によりなされたもので、ポートのバ
ッグ溶着面付近にバッグの破れかなく、ポートとバッグ
との溶着箇所に弛みがな（、液状収容物の漏洩のない医
療用バッグを製造する方法とその装置を提供するもので
ある。The present invention was made due to the circumstances of soft soil, and it is possible to create a medical bag with no tearing of the bag near the bag welding surface of the port, no looseness at the welded part of the port and bag (and no leakage of liquid contents). The present invention provides a manufacturing method and an apparatus for the same.

〔課題を解決するための手段〕[Means to solve the problem]

すなわち、本発明は医療用バッグに液体出入口用ポート
を取付ける方法であって、医療用バッグのポート挿着部
分にポートを挿入し、該ポート挿着部分を中心とする医
療用バッグの周縁部位を加熱金型を用いて加熱するとと
もに、該加熱金型に隣接する部位を冷却しながら、該ポ
ートと医療用バッグを溶着する医療用バッグのポート取
付方法である。That is, the present invention is a method of attaching a liquid inlet/outlet port to a medical bag, in which the port is inserted into the port insertion portion of the medical bag, and the peripheral area of the medical bag centered on the port insertion portion is attached. This is a method for attaching a port to a medical bag, in which the port and the medical bag are welded together while heating using a heating mold and cooling a portion adjacent to the heating mold.

また本発明は前記医療用バングのポート取付方法におい
て、液体出入口用ポートがプロテクタによって密封保護
されている医療用バッグのポート取付方法である。The present invention also provides a method for attaching a port to a medical bag, in which the liquid inlet/outlet port is hermetically protected by a protector.

更にまた本発明は前記医療用バッグのポート取付方法に
おいて、医療用バッグのポート挿着部分形成時に溶着し
て形成された被加熱溶着部分の一部を、再度加熱溶着し
ながら、ポート挿着部分に挿入されたポートとバッグを
溶着する医療用バッグのポート取付方法である。Furthermore, in the method for attaching a port to a medical bag, the present invention provides a method for attaching a port to a medical bag by heating and welding a part of the heated welded part formed by welding at the time of forming the port insertion part of the medical bag. This is a method for attaching a port to a medical bag by welding the port inserted into the bag to the bag.

また本発明は医療用バッグに液体出入口用ホトを取付け
る装置であって、ポート挿着部分にポートを挿入した医
療用バッグを載置する平坦な載置面と、該載置面上に前
記ポートを載置するための凹溝と、前記ポートを医療用
バッグに取り付けるための熱溶着部分と同形状の孔が穿
孔され、かつ低温状態に保持される下部冷却金型と、前
記ポートを医療用バッグに取り付けるための熱溶着部分
と同形状の押圧面を有し、かつ下部冷却金型の前記孔か
ら挿入される下部加熱金型と、下部冷却金型の凹溝に対
応する位置に形成された前記ポートを収容するための凹
溝と、前記ホトを医療用バッグに取り付けるための熱溶
着部分と同形状の孔が穿孔され、かつ低温状態に保持さ
れる上部冷却金型と、 前記ポートを医療用バッグに取り付けるための熱溶着部
分と同形状の押圧面を有し、かつ上部冷却金型の前記孔
から挿入される上部加熱金型と、を備えたことを特徴と
する医療用バッグのポート取付装置である。The present invention also provides a device for attaching a liquid inlet/outlet port to a medical bag, which includes a flat mounting surface on which a medical bag with a port inserted into the port insertion portion is placed, and a port on the mounting surface. A lower cooling mold is provided with a hole in the same shape as the heat-welded part for attaching the port to a medical bag, and a lower cooling mold that is kept at a low temperature. It has a pressing surface having the same shape as the heat welding part for attaching to the bag, and is formed at a position corresponding to the lower heating mold inserted through the hole of the lower cooling mold and the concave groove of the lower cooling mold. an upper cooling mold having a concave groove for accommodating the port and a hole having the same shape as a heat welding part for attaching the photo to a medical bag, and which is maintained at a low temperature; A medical bag characterized by comprising: an upper heating mold having a pressing surface having the same shape as a heat welding part for attachment to the medical bag, and inserted through the hole of the upper cooling mold. Port mounting device.

（作用〕 本発明はかかる構成からなりたっているので、ポートと
バッグとを熱溶着する際、溶着部分以外のシート部分が
冷却固定され、溶着部分の熱が伝わらないため、非溶着
部分の溶着部分との境界付近でシートの収縮が起こらな
いので、シート部分の破れを防止することができる。(Function) Since the present invention has such a configuration, when the port and the bag are thermally welded, the sheet portion other than the welded portion is cooled and fixed, and the heat of the welded portion is not transmitted, so that the welded portion of the non-welded portion is Since the sheet does not shrink near the boundary, tearing of the sheet portion can be prevented.

〔実施例〕〔Example〕

以下本発明の一例を実施例で説明する。 An example of the present invention will be described below with reference to Examples.

第１図は本発明の一例を示す製造装置の分解斜視図であ
り、第２図は第１図の使用状態を示す説明図であり、第
３図および第４図は本発明の一例で製造した血液バッグ
および輸液バッグの平面図である。FIG. 1 is an exploded perspective view of a manufacturing device showing an example of the present invention, FIG. 2 is an explanatory diagram showing the state of use of FIG. 1, and FIGS. FIG. 2 is a plan view of a blood bag and an infusion bag.

図中１は下部冷却金型、２は凹溝、３は上部冷却金型、
４は上部加熱金型、５は水注入口、６は水性出口、７は
孔、８は押圧面、９は下部加熱金型、ｌＯは血液バッグ
、１１はポート、１２はバッグを構成するシート、１３
は離型シート、１４はポート挿着部分、１５はポート挿
着部分を形成する被溶着箇所、１６は混注ポート、１７
および１８はポート、１９はプロテクター、２０はプロ
テクターの溶着面、２１は輸液バッグ、２２はポート、
２３はポート挿着部分を形成する被溶着箇所、２４はポ
ート挿着部分、２５は第２溶着部分を示す。In the figure, 1 is the lower cooling mold, 2 is the groove, 3 is the upper cooling mold,
4 is an upper heating mold, 5 is a water inlet, 6 is an aqueous outlet, 7 is a hole, 8 is a pressing surface, 9 is a lower heating mold, IO is a blood bag, 11 is a port, and 12 is a sheet forming the bag. , 13
14 is a release sheet, 14 is a port insertion part, 15 is a welded part forming the port insertion part, 16 is a mixed injection port, 17
and 18 is a port, 19 is a protector, 20 is a welding surface of the protector, 21 is an infusion bag, 22 is a port,
Reference numeral 23 indicates a welded portion forming a port insertion portion, 24 indicates a port insertion portion, and 25 indicates a second welding portion.

第１図〜第３図において、医療用バッグのホト挿着部分
１４にボー［１を挿入して、下部冷却金型ｌの凹溝２°
　に、ポート１１を挿入した医療用バッグのポート１１
を載置する。この下部冷却金型１はｉ！載置面上ポート
１１を載置するための凹溝２゜と、ボーＨ１を医療用バ
ッグに取り付けるための熱溶着部分である押圧面８°　
とほぼ同形状の孔７′が穿孔され、かつ低温状態を保持
するために、水注入口５°から水が供給され、金型内に
水を充満し、水性出口６・から水が流出するようになっ
ている。1 to 3, the bow [1 is inserted into the photo-insertion part 14 of the medical bag, and the concave groove 2° of the lower cooling mold l is inserted.
Port 11 of a medical bag with port 11 inserted into
Place. This lower cooling mold 1 is i! A concave groove 2° for placing the port 11 on the mounting surface and a pressing surface 8° which is a heat welded part for attaching the bow H1 to a medical bag.
A hole 7' having almost the same shape as the mold is drilled, and in order to maintain a low temperature state, water is supplied from the water inlet 5°, filling the mold with water, and water flows out from the aqueous outlet 6. It looks like this.

上部冷却金型３は下部冷却金型１のＲ頁面に対応する平
坦な載置面がその下面に形成されており、該押圧面にお
ける前記下部冷却金型１の凹溝２・に対応する位置に同
形状の凹溝２が形成されている。この上部冷却金型３に
はボー目ｌとシー目２を熱溶着する箇所、すなわちボー
Ｈ１が収容されている凹溝２が形成されている部位に孔
７が貫通して形成されている。この孔７はポート１１と
シー目２とを熱溶着する形状と同じである。上部冷却金
型３も製造工程において低温に保持されており、下部冷
却金型１と同じように水注入口５から水が供給され、金
型内部に水が充満し、水性出口６から水が流出するよう
になっている。The upper cooling mold 3 has a flat mounting surface corresponding to the R page surface of the lower cooling mold 1 formed on its lower surface, and a position corresponding to the groove 2 of the lower cooling mold 1 on the pressing surface. A groove 2 having the same shape is formed in the groove. A hole 7 is formed in the upper cooling mold 3 at a portion where the bow hole L and the seam hole 2 are thermally welded, that is, at a portion where the groove 2 in which the bow hole H1 is accommodated is formed. This hole 7 has the same shape as the one in which the port 11 and the seam 2 are thermally welded. The upper cooling mold 3 is also kept at a low temperature during the manufacturing process, and like the lower cooling mold 1, water is supplied from the water inlet 5, the inside of the mold is filled with water, and water is discharged from the aqueous outlet 6. It's starting to leak out.

上部加熱金型４は形成すべきボー目ｌとシート１２の溶
着部分と同じ形状の押圧面８を有し、かつ前記孔７に挿
入しうる外形をしている。The upper heating mold 4 has a pressing surface 8 having the same shape as the borage l to be formed and the welded portion of the sheet 12, and has an outer shape that can be inserted into the hole 7.

下部加熱金型９も上部加熱金型４と同様に、ポート１１
とシー目２の溶着部分と同じ形状の押圧面８′を有し、
かつ下部冷却金型ｌの孔７・　に挿入しつる外形をして
いる。加熱金型の加熱は、たとえば金型内に組み込まれ
た電気ヒーターなどで行えばよい。Similarly to the upper heating mold 4, the lower heating mold 9 also has a port 11.
and a pressing surface 8' having the same shape as the welded part of the seam 2,
It also has a shape that allows it to be inserted into the hole 7 of the lower cooling mold l. The heating mold may be heated using, for example, an electric heater built into the mold.

次に、本発明の装置を用いた液体出入口用ホトを医療用
バッグに取り付ける方法について、第１図〜第３図に基
づいて説明する。Next, a method of attaching a liquid inlet/outlet photo to a medical bag using the apparatus of the present invention will be explained based on FIGS. 1 to 3.

まず、液体出入口用ポート１１を適当な長さに切断し、
それを予め製造された血液バッグ１０のホト挿着部分１
４に挿入する。First, cut the liquid inlet/outlet port 11 to an appropriate length,
The photo-insertion part 1 of the pre-manufactured blood bag 10
Insert into 4.

用いられるポート材料およびバッグのシート材料として
は、ポリエチレン、ポリプロピレン、ポリ塩化ビニル、
ポリエステル、ポリ（エチレンブチレン）ポリスチレン
ブロック共重合体またはそれらの混合物が挙げられる。Port materials and bag sheet materials used include polyethylene, polypropylene, polyvinyl chloride,
Mention may be made of polyester, poly(ethylene butylene) polystyrene block copolymer or mixtures thereof.

シートの厚すは２０〜３００μが好ましい。The thickness of the sheet is preferably 20 to 300 microns.

次に、下部冷却金型１の載置面上に、必要により、離型
シー目３および１３′　を置き、その上にポート挿着部
分１４に挿入したポー目１が凹溝２°に設置されるよう
に、血液バッグｌＯをのせる。離型シートとしては、た
とえばテフロンコートガラスクロスが好ましい。Next, mold release seams 3 and 13' are placed on the mounting surface of the lower cooling mold 1, if necessary, and the port holes 1 inserted into the port insertion part 14 are placed in the concave groove at 2°. Place the blood bag lO as shown. As the release sheet, for example, Teflon coated glass cloth is preferable.

次に、上部冷却金型３と下部冷却金型ｌとで離型シーＨ
３およびＩ３゛、シート１２および１２・　およびポー
ト１１を挟んで一体化する。この状態で上部加熱金型４
の押圧面８を下部冷却金型３の孔７に嵌め込むとともに
、下部加熱金型９の押圧面８′を下部冷却金型１の孔７
°に嵌め込み、離型シート１３および１３°　の上から
押圧面８および８°を加熱押圧しながら、ボー目１を血
液バッグのシート１２および１２′　　と溶着して、ボ
ー目１を血液バッグ１０に取り付ける０次いで順次金型
を取り除き、離型シート１３および１３°　を除くこと
によって、ポートを取り付けた血液バッグが形成される
。Next, the upper cooling mold 3 and the lower cooling mold l are connected to a release seam H.
3 and I3', seats 12 and 12, and port 11 are sandwiched between them. In this state, the upper heating mold 4
The pressing surface 8 of the lower cooling mold 3 is fitted into the hole 7 of the lower cooling mold 3, and the pressing surface 8' of the lower heating mold 9 is fitted into the hole 7 of the lower cooling mold 1.
While heating and pressing the pressing surfaces 8 and 8° from above the release sheets 13 and 13°, weld the baud 1 to the sheets 12 and 12' of the blood bag. A blood bag with a port attached thereto is formed by sequentially removing the mold and removing the release sheets 13 and 13°.

第３図において混注ポート１６およびポーＨ７は前記方
法で血液バッグ１０に取り付けることができるが、折れ
棒つきボー１８を覆うプロテクター１９を有する場合に
はポート１Ｂの他にプロテクターｉ９も血液バッグに溶
着する必要がある。この場合にはポート挿着部分１４に
ボー目８だけでなく、プロテクター１９をも挿入し、上
部加熱金型４および下部加熱金型９の押圧面８および８
・　の押圧面積を広くしてポート１８とプロテクター１
９を同時に血液バッグ１０の上から加熱押圧し、ポー目
８を血液バッグに溶着するとともに、プロテクターの溶
着面２０を形成してプロテクター１９も血液バッグ１０
に溶着する。第４図はポート２２を有する輸液バッグ２
１の平面図である。インフレーションフィルムまたは１
対のシート状フィルムを熱溶着して形成された袋状部分
の一方の開放周縁部分を熱熔融圧着してポート挿着部分
２４を形成する被７９着箇所２３を形成する。次いでポ
ート挿着部分２４に挿入したポート２２を第１図の装置
の上部冷却金型３と下部冷却金型１の間に挟み、上部加
熱金型４および下部加熱金型９からポート２２を横断す
るようにして肩部の被溶着箇所２３と重複する位置まで
延びるμ状をした押圧面８および８・で加熱押圧して第
２溶着部分２５を形成する。そして加熱押圧面８に隣接
する部位を冷却固定しているのでシートとポート２２の
溶着からシート同士の溶着に移行する部分で非溶着シー
ト部分が破れることがなく、また被溶着箇所２３と第２
溶着部分２２の境目においてシール不良を生じることが
ない。In FIG. 3, the co-infusion port 16 and the port H7 can be attached to the blood bag 10 by the method described above, but if the protector 19 is provided to cover the bent bow 18, the protector i9 is also welded to the blood bag in addition to the port 1B. There is a need to. In this case, not only the burr 8 but also the protector 19 is inserted into the port insertion portion 14, and the pressing surfaces 8 and 8 of the upper heating mold 4 and the lower heating mold 9 are
・ Increase the pressing area of port 18 and protector 1.
9 is heated and pressed from above the blood bag 10 at the same time to weld the eye 8 to the blood bag and form the welding surface 20 of the protector so that the protector 19 also adheres to the blood bag 10.
Weld to. FIG. 4 shows an infusion bag 2 having a port 22.
1 is a plan view of FIG. blown film or 1
One open peripheral edge portion of a bag-like portion formed by heat-welding a pair of sheet-like films is hot-melted and pressed to form an attachment point 23 for forming a port insertion portion 24. Next, the port 22 inserted into the port insertion part 24 is sandwiched between the upper cooling mold 3 and the lower cooling mold 1 of the apparatus shown in FIG. In this manner, the second welded portion 25 is formed by heating and pressing with μ-shaped pressing surfaces 8 and 8· extending to a position overlapping the welded portion 23 of the shoulder portion. Since the area adjacent to the heating and pressing surface 8 is cooled and fixed, the non-welded sheet part will not be torn at the transition from welding the sheet and port 22 to welding the sheets together, and the welded area 23 and the second
Seal failure does not occur at the boundary between the welded portions 22.

実施例１ 厚さ２５０　ｕ槃の２枚のポリエチレン（住人化学製Ｆ
２０８−１）のシートの３方の周囲を熱溶断して第４図
の形状の輸液バッグを成形し、一方の開放周縁部分を更
に熱ｉ９着してポート挿着部分を形成する。このポート
挿着部分にポリエチレン（住人化学製Ｇ３０１）のポー
トを挿入し、第１図の装置を用いて加熱金型を３００°
Ｃに加熱して押圧し、ポートをシートに熱溶着した。こ
の時冷却金型には２０゛Ｃの水を流した。このようにし
て製造した輸液バ・ングのポートの熱溶着付近における
シートの縮みや破れ状況を１００点の試料についてみた
ところ、不良率は２％であった。Example 1 Two sheets of polyethylene with a thickness of 250 mm (F
The periphery of the sheet 208-1) is thermally cut on three sides to form an infusion bag having the shape shown in FIG. 4, and one open peripheral portion is further thermally bonded to form a port insertion portion. Insert a polyethylene port (G301 made by Sumitomo Chemical) into this port insertion part, and use the device shown in Figure 1 to heat the heating mold to 300°.
The port was heat-welded to the sheet by heating to C and pressing. At this time, water at 20°C was poured into the cooling mold. When the shrinkage and tearing of the sheet in the vicinity of the heat welded port of the infusion bag thus manufactured was examined for 100 samples, the defective rate was 2%.

比較例１ 実施例１において冷却金型の水供給を中止して実施例１
と同様に輸液バッグを製造した。このようにして製造し
たバッグの不良率は１６％であった。Comparative Example 1 In Example 1, the water supply to the cooling mold was stopped and Example 1
An infusion bag was manufactured in the same manner. The defective rate of the bags produced in this way was 16%.

〔効果〕〔effect〕

本発明によれば、医療用バッグのポート取付部付近にお
いて、非溶着シートに縮みや岐れが生じないので、血液
や薬液を安全に保存し使用することができる。According to the present invention, since the non-welded sheet does not shrink or bend in the vicinity of the port attachment portion of the medical bag, blood and medical solutions can be safely stored and used.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の一例を示す製造装置の分解斜視図であ
り、第２図は第１図の使用状態を示す説明図であり、第
３図および第４図は本発明の一例で製造した血液バッグ
および輸液バッグの平面図である。 図中１は下部冷却金型、２は凹溝、３は上部冷却金型、
４は上部加熱金型、５は水注入口、６は水性出口、７は
孔、８は押圧面、９は下部加熱金型、ｌＯは血液バッグ
、１１はポート、１２はバッグを構成するシート、１３
は離型シート、１４はポート挿着部分、１５はポート挿
着部分を形成する被溶着箇所、１６は混注ポート、１７
および１８はポート、１９はプロテクター、２０はプロ
テクターの溶着面、２１は輸液バッグ、２２はポート、
２３はポート挿着部分を形成する被溶着箇所、２４はポ
ート挿着部分、２５は第２溶着部分を示す。 特許出願人　　　株式会社ニッショー 第 図FIG. 1 is an exploded perspective view of a manufacturing device showing an example of the present invention, FIG. 2 is an explanatory diagram showing the state of use of FIG. 1, and FIGS. FIG. 2 is a plan view of a blood bag and an infusion bag. In the figure, 1 is the lower cooling mold, 2 is the groove, 3 is the upper cooling mold,
4 is an upper heating mold, 5 is a water inlet, 6 is an aqueous outlet, 7 is a hole, 8 is a pressing surface, 9 is a lower heating mold, IO is a blood bag, 11 is a port, and 12 is a sheet forming the bag. , 13
14 is a release sheet, 14 is a port insertion part, 15 is a welded part forming the port insertion part, 16 is a mixed injection port, 17
and 18 is a port, 19 is a protector, 20 is a welding surface of the protector, 21 is an infusion bag, 22 is a port,
Reference numeral 23 indicates a welded portion forming a port insertion portion, 24 indicates a port insertion portion, and 25 indicates a second welding portion. Patent applicant: Nissho Co., Ltd.

Claims (4)

【特許請求の範囲】[Claims] （１）医療用バッグに液体出入口用ポートを取付ける方
法であって、医療用バッグのポート挿着部分にポートを
挿入し、該ポート挿着部分を中心とする医療用バッグの
周縁部位を加熱金型を用いて加熱するとともに、該加熱
金型に隣接する部位を冷却しながら、該ポートと医療用
バッグを溶着することを特徴とする医療用バッグのポー
ト取付方法。(1) A method of attaching a liquid inlet/outlet port to a medical bag, in which the port is inserted into the port insertion part of the medical bag, and the peripheral area of the medical bag centered on the port insertion part is heated with a heated metal. A method for attaching a port to a medical bag, the method comprising heating the port using a mold and welding the port to the medical bag while cooling a portion adjacent to the heating mold. （２）液体出入口用ポートがプロテクターによって密封
保護されていることを特徴とする請求項１記載の医療用
バッグのポート取付方法。(2) The method for attaching a port to a medical bag according to claim 1, wherein the liquid inlet/outlet port is sealed and protected by a protector. （３）医療用バッグのポート挿着部分形成時に溶着して
形成された被加熱溶着部分の一部を、再度加熱溶着しな
がら、ポート挿着部分に挿入されたポートとバッグを溶
着することを特徴とする請求項１記載の医療用バッグの
ポート取付方法。(3) Welding the bag and the port inserted into the port insertion part by heating and welding a part of the heated welded part that was formed by welding during the formation of the port insertion part of the medical bag again. A method for attaching a port to a medical bag according to claim 1. （４）医療用バッグに液体出入口用ポートを取付ける装
置であって、ポート挿着部分にポートを挿入した医療用
バッグを載置する平坦な載置面と、該載置面上に前記ポ
ートを載置するための凹溝と、前記ポートを医療用バッ
グに取り付けるための熱溶着部分と同形状の孔が穿孔さ
れ、かつ低温状態に保持される下部冷却金型と、 前記ポートを医療用バッグに取り付けるための熱溶着部
分と同形状の押圧面を有し、かつ下部冷却金型の前記孔
から挿入される下部加熱金型と、下部冷却金型の凹溝に
対応する位置に形成された前記ポートを収容するための
凹溝と、前記ポートを医療用バッグに取り付けるための
熱溶着部分と同形状の孔が穿孔され、かつ低温状態に保
持される上部冷却金型と、 前記ポートを医療用バッグに取り付けるための熱溶着部
分と同形状の押圧面を有し、かつ上部冷却金型の前記孔
から挿入される上部加熱金型と、を備えたことを特徴と
する医療用バッグのポート取付装置。(4) A device for attaching a liquid inlet/outlet port to a medical bag, which includes a flat placement surface on which the medical bag with the port inserted in the port insertion portion is placed, and the port is placed on the placement surface. a lower cooling mold having a concave groove for placing the port thereon, a hole having the same shape as a heat welding part for attaching the port to the medical bag, and a lower cooling mold for maintaining the port at a low temperature; It has a pressing surface of the same shape as the heat welding part for attachment to the lower cooling mold, and is formed at a position corresponding to the lower heating mold inserted through the hole of the lower cooling mold and the concave groove of the lower cooling mold. an upper cooling mold in which a concave groove for accommodating the port and a hole having the same shape as a heat welding part for attaching the port to a medical bag are bored therein, and the mold is maintained at a low temperature; an upper heating mold having a pressing surface having the same shape as a heat welding part for attachment to a medical bag, and being inserted through the hole of the upper cooling mold. Mounting device.
JP1133478A 1989-05-26 1989-05-26 Method and device for attaching port of medical bag Expired - Fee Related JPH0638832B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1133478A JPH0638832B2 (en) 1989-05-26 1989-05-26 Method and device for attaching port of medical bag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1133478A JPH0638832B2 (en) 1989-05-26 1989-05-26 Method and device for attaching port of medical bag

Publications (2)

Publication Number Publication Date
JPH0364A true JPH0364A (en) 1991-01-07
JPH0638832B2 JPH0638832B2 (en) 1994-05-25

Family

ID=15105716

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1133478A Expired - Fee Related JPH0638832B2 (en) 1989-05-26 1989-05-26 Method and device for attaching port of medical bag

Country Status (1)

Country Link
JP (1) JPH0638832B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06225923A (en) * 1992-11-09 1994-08-16 Kawasumi Lab Inc Container for medical fluid and preparation of container for medical fluid
JP2003103659A (en) * 2001-09-27 2003-04-09 Showa Denko Plastic Products Co Ltd Film cooling device, film cooling method, and method of manufacturing drug bag
JP2006198488A (en) * 2005-01-18 2006-08-03 Musashi Eng Co Ltd Liquid ejection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06225923A (en) * 1992-11-09 1994-08-16 Kawasumi Lab Inc Container for medical fluid and preparation of container for medical fluid
JP2003103659A (en) * 2001-09-27 2003-04-09 Showa Denko Plastic Products Co Ltd Film cooling device, film cooling method, and method of manufacturing drug bag
JP2006198488A (en) * 2005-01-18 2006-08-03 Musashi Eng Co Ltd Liquid ejection device

Also Published As

Publication number Publication date
JPH0638832B2 (en) 1994-05-25

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