JPH0838580A - Medical care bag and its preparation - Google Patents
Medical care bag and its preparationInfo
- Publication number
- JPH0838580A JPH0838580A JP19475294A JP19475294A JPH0838580A JP H0838580 A JPH0838580 A JP H0838580A JP 19475294 A JP19475294 A JP 19475294A JP 19475294 A JP19475294 A JP 19475294A JP H0838580 A JPH0838580 A JP H0838580A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- tube
- mouth
- bag
- welding
- 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
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 4
- 239000000057 synthetic resin Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 38
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000004080 punching Methods 0.000 claims 1
- 239000008280 blood Substances 0.000 abstract description 6
- 210000004369 blood Anatomy 0.000 abstract description 6
- 238000001802 infusion Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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
- B29C66/50—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
- 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
-
- 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
- B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
-
- 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
- B29C66/80—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
-
- 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)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、医療用バッグを構成す
る袋状本体と該袋状本体の上部に溶着される口部（輸血
口、輸液口、連通ピース、接続口）、チューブ（採血、
輸血、輸液、連結の各チューブ）等のパーツの高周波溶
着方法の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bag-shaped main body constituting a medical bag, a mouth portion (a blood transfusion port, an infusion port, a communication piece, a connection port) welded to an upper portion of the bag-shaped main body, a tube (a blood sampling). ,
The present invention relates to improvement of high-frequency welding method for parts such as blood transfusion, infusion, and connecting tubes).
【０００２】[0002]
【従来技術および発明が解決しようとする課題】現在実
施されている医療用バッグの製造方法は図１１に示すよ
うに袋状本体を構成する２枚のシート５１の間に溶着ピ
ン５２に装着された前記各パーツ５３を置いて、上下よ
り溶着金型５４、５５（５４は上金型、５５は下金型）
により挟持して、溶着ピン５２と上下の各溶着金型５
４、５５、上金型５４と下金型５５間に通電して溶着し
ていた。2. Description of the Related Art As shown in FIG. 11, a method of manufacturing a medical bag which is currently used is to mount a welding pin 52 between two sheets 51 constituting a bag-shaped main body. In addition, the respective parts 53 are placed, and the welding dies 54, 55 (54 is an upper die, 55 is a lower die) are placed from above and below
Sandwiched by the welding pin 52 and the upper and lower welding molds 5
4, 55, the upper mold 54 and the lower mold 55 were energized and welded.
【０００３】しかしながらこれらの方法では必ず溶着ピ
ン５２が必要であり、溶着ピン５２の出し入れを袋状本
体を構成するシートの後部方向から行うので、異物混入
や汚染の原因となり好ましくない。また採血チューブの
ように長いチューブの場合は、溶着ピン５２に装着する
のが困難であり溶着も難しかった。このため短い接続口
を袋状本体に溶着した後、この接続口に接着剤を介して
装着していた。このためコスト高になっていた。However, in these methods, the welding pin 52 is always required, and since the welding pin 52 is taken in and out from the rearward direction of the sheet constituting the bag-shaped body, it is not preferable because it causes contamination of foreign matters and contamination. Further, in the case of a long tube such as a blood collection tube, it was difficult to attach it to the welding pin 52, and welding was also difficult. Therefore, after the short connection port is welded to the bag-shaped body, it is attached to this connection port via an adhesive. Therefore, the cost was high.
【０００４】[0004]
［１］本考案は、次の各工程よりなる医療用バッグの製
造方法を提供する。 （１）水平に又は垂直に敷設したシートの上に医療用バ
ッグを構成する口部及び／又はチューブの下部端面を溶
着する工程、（２）前記（１）のシートを口部及び／又
はチューブを中心に２つ折りにし、前記口部及び／又は
チューブの周縁部を溶着した後、シートの外縁部を溶着
する工程（または口部及び／又はチューブの周縁部とシ
ートの外縁部を同時に溶着して袋状に形成する工程）、[1] The present invention provides a method for manufacturing a medical bag, which comprises the following steps. (1) A step of welding the mouth and / or the lower end face of the tube constituting the medical bag onto a sheet laid horizontally or vertically, (2) the mouth and / or the tube of (1) above. In the center, and after welding the mouth and / or the peripheral edge of the tube, the outer edge of the sheet is welded (or the peripheral edge of the mouth and / or the tube and the outer edge of the sheet are simultaneously welded Forming into a bag)
【０００５】［２］本考案は、次の各工程よりなる医療
用バッグの製造方法を提供する。 （１）下金型の上又は前面に水平又は垂直に敷設したシ
ートの上又は前面に上金型（電極クランプ）に装着した
口部及び／又はチューブの下部端面を接触させる工程、
（２）シートの下方向又は背面方向から下金型を介して
アース棒を挿入し、アース棒の先で押圧したシートを口
部及び／又はチューブの空間内に押し込む工程、（３）
上金型（電極クランプ）とアース棒間に高周波を通電さ
せて口部及び／又はチューブの空間内に押し込んだシー
トと口部及び／又はチューブを溶着させると同時に口部
及び／又はチューブの端面とシートを溶着する工程、
（４）前記（３）のシートを口部及び／又はチューブを
中心に２つに折り返す工程、（５）前記（４）のシート
を上下の溶着金型の間に挟持して前記口部及び／又はチ
ューブの周縁部を溶着した後、前記シートを上下の枠金
型に挟持して、シートの外縁部を溶着して袋状に形成す
る工程（または前記（４）のシートを溶着金型を装着し
た上下の枠金型の間に挟持して、口部及び／又はチュー
ブの周縁部とシートの外縁部を同時に溶着して袋状に形
成する工程）、[2] The present invention provides a method for manufacturing a medical bag comprising the following steps. (1) A step of contacting a mouth and / or a lower end face of a tube attached to an upper mold (electrode clamp) with a top or front of a sheet laid horizontally or vertically on the front or bottom of a lower mold,
(2) A step of inserting a ground rod from below or the back of the sheet through a lower mold and pushing the sheet pressed by the tip of the ground rod into the space of the mouth and / or the tube, (3)
A high frequency is passed between the upper die (electrode clamp) and the ground rod to weld the sheet and the mouth and / or the tube pushed into the space of the mouth and / or the tube, and at the same time, the end surface of the mouth and / or the tube And the process of welding the sheet,
(4) Folding back the sheet of (3) in two around the mouth and / or tube, (5) sandwiching the sheet of (4) between upper and lower welding molds, And / or after welding the peripheral portion of the tube, the sheet is sandwiched between upper and lower frame dies, and the outer edge portion of the sheet is welded to form a bag shape (or the sheet of the above (4) welding die) Sandwiching between the upper and lower frame molds with the attached, and simultaneously forming the bag shape by simultaneously welding the mouth and / or the peripheral edge of the tube and the outer edge of the sheet),
【０００６】［３］本考案は、［２］記載の（２）、
（３）の工程に代えて、（２）シートの下方向又は背面
方向から下金型を介して、先端を鋭利に形成したアース
棒を挿入して、シートに穴をあけ、アース棒の外周に巻
着したシートを口部及び／又はチューブの空間内に押し
込む工程、（３）上金型（電極クランプ）とアース棒間
に高周波を通電させて、アース棒の外周に巻着したシー
トを口部及び／又はチューブの内面に溶着すると同時に
口部及び／又はチューブの端面とシートを溶着する工
程、よりなる前記［２］記載の医療用バッグの製造方法
を提供する。 ［４］本考案は、可撓性合成樹脂製のシートよりなる袋
状本体の上部に口部及び／又はチューブの下部端面を高
周波溶着した医療用バッグを提供する。[3] The present invention relates to (2) described in [2],
Instead of the step (3), (2) insert a grounding rod with a sharp tip from the lower or back side of the sheet through the lower mold, make a hole in the sheet, and then the outer periphery of the grounding rod. The step of pushing the sheet wound around the mouth into the space of the mouth and / or the tube, (3) energizing a high frequency between the upper die (electrode clamp) and the ground rod to wind the sheet wound around the ground rod. A method for producing a medical bag according to the above [2], which comprises a step of welding the inner surface of the mouth and / or the tube and simultaneously welding the end surface of the mouth and / or the tube and the sheet. [4] The present invention provides a medical bag in which a mouth and / or a lower end surface of a tube is welded to the upper portion of a bag-shaped main body made of a flexible synthetic resin sheet by high frequency welding.
【０００７】[0007]
【実施例】図１から図３は本発明の医療用バッグ１の製
造工程の概略図で、医療用バッグ１は次の工程により製
造される。第一の工程として図１の様に可撓性合成樹脂
よりなるシート７を水平又は垂直に敷設し、該シート７
の上部又は前面にプロテクター５を被冠した口部４及び
／又はチューブ３（チューブ３が細径の場合は、チュー
ブ３の強度を維持するためにチューブ３の端部に接続チ
ューブ３ｂを装着することができる。以下、本発明にお
いて、チューブ３は端部に接続チューブ３ｂを装着した
ものも含むものとする）の各下部端面３ａ、４ａを溶着
する。第二の工程として図２のように前記各口部４及び
／又はチューブ３の整列ラインを境に二つに折返して図
３のように各口部４及び／又はチューブ３の周縁部を溶
着し、続いて前記シート７の外縁部を溶着して袋状に形
成する（または口部及び／又はチューブの周縁部とシー
トの外縁部を同時に溶着して袋状に形成する）。1 to 3 are schematic views of the manufacturing process of a medical bag 1 according to the present invention. The medical bag 1 is manufactured by the following processes. As a first step, a sheet 7 made of a flexible synthetic resin is laid horizontally or vertically as shown in FIG.
Mouth 4 and / or tube 3 with a protector 5 on the top or front of the tube (when the tube 3 has a small diameter, a connecting tube 3b is attached to the end of the tube 3 to maintain the strength of the tube 3). Hereinafter, in the present invention, each of the lower end surfaces 3a and 4a of the tube 3 including the connection tube 3b attached to the end thereof is welded. As a second step, as shown in FIG. 2, the mouth 4 and / or the tube 3 are folded in two at the boundary of the alignment line of each of the mouths 4 and / or the tubes 3 and the peripheral portion of the mouth 4 and / or the tube 3 is welded as shown in FIG. Then, subsequently, the outer edge portion of the sheet 7 is welded to form a bag shape (or the peripheral portion of the mouth and / or the tube and the outer edge portion of the sheet are simultaneously welded to form a bag shape).
【０００８】図４はシート７に口部４等を溶着する際の
実施例を示す拡大断面図である。図５は図４の上金型８
（電極クランプ）の平面図（Ａ矢視図）、図６は上金型
８の側面図（Ｂ矢視図）、図７は図４の下金型１２の平
面図（Ｃ矢視図）、図８は下金型１２の側面図（Ｄ矢視
図）である。上金型８は金属等の導電性材料からなり、
下金型１２は耐熱性の絶縁材（テフロン、ベークライト
等）等からなり、下金型１２にはその中央を貫通するよ
うに端部をエアーシリンダー１５に装着されたアース棒
１７がシート７に溶着する口部４、チューブ３の数に応
じて所定の数が配置されている。下金型１２とアース棒
１７はアースの役割を果す。本実施例では医療用バッグ
１は次の工程により製造される。第一の工程として、上
金型８の装着溝９、１０に口部４、チューブ３を装着
し、下金型１２の上又は前面に水平又は垂直に敷設した
シート７の上に口部４、チューブ３の下部端面を接触さ
せる。FIG. 4 is an enlarged sectional view showing an embodiment in which the mouth portion 4 and the like are welded to the sheet 7. FIG. 5 shows the upper mold 8 of FIG.
FIG. 6 is a side view of the upper die 8 (view of arrow B), and FIG. 7 is a plan view of the lower die 12 of FIG. 4 (view of arrow C). FIG. 8 is a side view of the lower die 12 (view from the arrow D). The upper die 8 is made of a conductive material such as metal,
The lower mold 12 is made of a heat-resistant insulating material (Teflon, Bakelite, etc.), and the lower mold 12 has a ground rod 17 whose end is attached to the air cylinder 15 so as to penetrate the center of the lower mold 12. A predetermined number is arranged according to the number of the mouth portions 4 and the tubes 3 to be welded. The lower mold 12 and the ground rod 17 play a role of ground. In this embodiment, the medical bag 1 is manufactured by the following steps. As a first step, the mouth 4 and the tube 3 are mounted in the mounting grooves 9 and 10 of the upper mold 8, and the mouth 4 is mounted on the sheet 7 laid horizontally or vertically on the lower mold 12 or on the front surface. , The lower end face of the tube 3 is contacted.
【０００９】第二の工程として、シート７の下方向又は
背面方向から下金型１２を介して先端を丸く形成したア
ース棒１７を挿入し、アース棒１７の先で下から上に押
圧したシート７を口部４、チューブ３の空間内に押し込
む。押し込まれたシート７の部分は膜１６としての役割
を果す。口部４、チューブ３の空間内での膜１６の形成
位置はアース棒１７の押し込みの深さを変えることによ
り自由に設定することができる。また後述するように上
金型８（電極クランプ）とアース棒１７間に通電して口
部４、チューブ３が溶融状態になったときにアース棒１
７をさらに深く押し込むことにより膜１６の位置を変更
することができる。In the second step, the ground rod 17 having a rounded tip is inserted from the lower side or the rear side of the sheet 7 through the lower mold 12, and the tip of the ground rod 17 is pressed upward from below. 7 is pushed into the space of the mouth 4 and the tube 3. The part of the sheet 7 that has been pushed in serves as the membrane 16. The formation position of the film 16 in the space of the mouth portion 4 and the tube 3 can be freely set by changing the pushing depth of the ground rod 17. Further, as will be described later, when the mouth 4 and the tube 3 are in a molten state by energizing between the upper die 8 (electrode clamp) and the earth rod 17, the earth rod 1
The position of the membrane 16 can be changed by pushing 7 further deeper.
【００１０】第三の工程として、上金型８（電極クラン
プ）とアース棒１７間に高周波を通電させて口部４、チ
ューブ３内に押し込まれたシート７の外表面を口部４、
チューブ３内面に溶着すると同時に口部４、チューブ３
の端面とシート７を溶着する。上金型８の突起部１１に
より高周波エネルギーを口部４、チューブ３の端面とシ
ート７の接合部に作用させることができ、口部４、チュ
ーブ３の端面とシート７を溶着させることができる。第
四の工程として、口部４、チューブ３の整列ラインを境
にシート７を二つに折返す。第五の工程として、図９の
ように上下の溶着金型２８、３２の間に前記シート７を
挟持し、通電し、口部４、チューブ３の周縁部を残血
（残液）が生じないように流線形に溶着する。第六の工
程として、上下の枠金型（図示せず）の間に前記シート
７を挟持して、通電し、シートの外縁部を溶着すること
により袋状に形成する。尚、第五の工程と第六の工程は
枠金型の中に溶着金型２８、３２を装着することにより
同時に行うことができる。As a third step, a high frequency is passed between the upper die 8 (electrode clamp) and the earth rod 17 to open the mouth portion 4, and the outer surface of the sheet 7 pushed into the tube 3 to the mouth portion 4,
At the same time as welding to the inner surface of tube 3, mouth 4, tube 3
The end face of the sheet is welded to the sheet 7. The protrusion 11 of the upper mold 8 allows high-frequency energy to act on the joint between the mouth 4, the end surface of the tube 3 and the sheet 7, and the mouth 4, the end surface of the tube 3 and the sheet 7 can be welded. . As the fourth step, the sheet 7 is folded back in two at the boundary of the alignment line of the mouth 4 and the tube 3. As a fifth step, as shown in FIG. 9, the sheet 7 is sandwiched between the upper and lower welding molds 28 and 32 and electricity is applied to cause residual blood (residual liquid) in the mouth portion 4 and the peripheral portion of the tube 3. Weld in a streamlined manner so that it does not exist. As a sixth step, the sheet 7 is sandwiched between upper and lower frame dies (not shown), electricity is applied, and outer edges of the sheet are welded to form a bag. The fifth step and the sixth step can be simultaneously performed by mounting the welding molds 28 and 32 in the frame mold.
【００１１】また図１０はシート７に口部４等を溶着す
る際のその他の実施例を示す拡大断面図である。本実施
では前記図４から図９に示した実施例の第二、第三の工
程に代えて次の第二、第三の工程により医療用バッグを
製造するものである。第二の工程として、シート７の下
方向又は背面方向から下金型１２を介して先端を鋭利に
形成したアース棒１８を挿入して、シート７に穴をあ
け、アース棒１８の外周に巻着したシート７を口部４、
チューブ３の空間内に押し込む。第三の工程として、上
金型８（電極クランプ）とアース棒１８間に高周波を通
電させて、アース棒１８の外周に巻着したシート７を口
部４、チューブ３の内面に溶着すると同時にシート７と
口部４、チューブ３の端面を溶着する。FIG. 10 is an enlarged sectional view showing another embodiment when welding the mouth portion 4 and the like to the sheet 7. In this embodiment, a medical bag is manufactured by the following second and third steps instead of the second and third steps of the embodiment shown in FIGS. 4 to 9. In the second step, the ground rod 18 having a sharp tip is inserted from the lower side or the back side of the sheet 7 through the lower mold 12, the hole is formed in the sheet 7, and the sheet is wound around the outer periphery of the ground rod 18. Put the seat 7 on the mouth 4,
Push it into the space of the tube 3. As a third step, a high frequency is passed between the upper die 8 (electrode clamp) and the earth rod 18 to weld the sheet 7 wound around the outer periphery of the earth rod 18 to the mouth 4 and the inner surface of the tube 3 at the same time. The sheet 7, the mouth 4, and the end surface of the tube 3 are welded.
【００１２】[0012]
（１）長いチューブでも金型（電極クランプ）で保持す
ることができるのでシートへの溶着が容易である。 （２）口部、チューブの端面を直接シートの上に溶着す
ることができるので従来のように溶着ピンを使う必要が
なく、袋状本体内の衛生を保持することができる。(1) Even a long tube can be held by a mold (electrode clamp), so that welding to a sheet is easy. (2) Since the mouth portion and the end surface of the tube can be directly welded onto the sheet, it is not necessary to use a welding pin as in the conventional case, and hygiene in the bag-shaped body can be maintained.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の医療用バッグの製造工程の概略図FIG. 1 is a schematic view of a manufacturing process of a medical bag of the present invention.
【図２】本発明の医療用バッグの製造工程の概略図FIG. 2 is a schematic view of the manufacturing process of the medical bag of the present invention.
【図３】発明の医療用バッグの製造工程の概略図FIG. 3 is a schematic view of a manufacturing process of the medical bag of the invention.
【図４】シートに口部等を溶着する時の拡大断面図FIG. 4 is an enlarged cross-sectional view when welding a mouth portion and the like to a sheet.
【図５】図４に使用する上金型の平面図（Ａ矢視図）FIG. 5 is a plan view of the upper mold used in FIG. 4 (view from arrow A).
【図６】図５の上金型の側面図（Ｂ矢視図）FIG. 6 is a side view of the upper mold of FIG. 5 (view from arrow B).
【図７】図４に使用する下金型の平面図（Ｃ矢視図）FIG. 7 is a plan view of the lower mold used in FIG. 4 (view from arrow C).
【図８】図４に使用する下金型の側面図（Ｄ矢視図）FIG. 8 is a side view of the lower mold used in FIG. 4 (view from the arrow D).
【図９】シートの外周を溶着する時の拡大断面図FIG. 9 is an enlarged cross-sectional view when welding the outer periphery of the sheet.
【図１０】図４のその他の実施例を示す拡大断面図10 is an enlarged cross-sectional view showing another embodiment of FIG.
【図１１】従来の医療用バッグの製造方法の概略図FIG. 11 is a schematic view of a conventional method for manufacturing a medical bag.
１ 医療用バッグ ２ 本体 ３ チューブ ３ｂ 接続チューブ ４ 口部 ５ プロテクター ６ 採血針 ７ シート ８ 上金型（電極クランプ） ９、２９、３９ 口部の装着溝 １０、３０、４０ チューブの装着溝 １１ 突起部 １２ 下金型（アース） １３ 口部に対応するアース棒の貫通穴 １４ チューブに対応するアース棒の貫通穴 １５ エアシリンダー １６ 膜 １７ アース棒 １８ アース棒 ２８ 上金型（溶着金型） ３２ 下金型（溶着金型） 1 Medical Bag 2 Body 3 Tube 3b Connection Tube 4 Mouth Port 5 Protector 6 Blood Collection Needle 7 Sheet 8 Upper Mold (Electrode Clamp) 9, 29, 39 Mouth Mounting Groove 10, 30, 40 Tube Mounting Groove 11 Protrusion Part 12 Lower mold (ground) 13 Through hole of ground rod corresponding to mouth 14 Through hole of ground rod corresponding to tube 15 Air cylinder 16 Membrane 17 Ground rod 18 Ground rod 28 Upper mold (welding mold) 32 Lower mold (welding mold)
Claims (4)
療用バッグの製造方法。 （１）水平に又は垂直に敷設したシートの上に医療用バ
ッグを構成する口部及び／又はチューブの下部端面を溶
着する工程、（２）前記（１）のシートを口部及び／又
はチューブを中心に２つ折りにし、前記口部及び／又は
チューブの周縁部を溶着した後、シートの外縁部を溶着
する工程（または口部及び／又はチューブの周縁部とシ
ートの外縁部を同時に溶着して袋状に形成する工程）、1. A method for producing a medical bag, which comprises the following steps. (1) A step of welding the mouth and / or the lower end face of the tube constituting the medical bag onto a sheet laid horizontally or vertically, (2) the mouth and / or the tube of (1) above. In the center, and after welding the mouth and / or the peripheral edge of the tube, the outer edge of the sheet is welded (or the peripheral edge of the mouth and / or the tube and the outer edge of the sheet are welded at the same time. Forming into a bag)
療用バッグの製造方法。 （１）下金型の上又は前面に水平又は垂直に敷設したシ
ートの上又は前面に上金型（電極クランプ）に装着した
口部及び／又はチューブの下部端面を接触させる工程、
（２）シートの下方向又は背面方向から下金型を介して
アース棒を挿入し、アース棒の先で押圧したシートを口
部及び／又はチューブの空間内に押し込む工程、（３）
上金型（電極クランプ）とアース棒間に高周波を通電さ
せて口部及び／又はチューブの空間内に押し込んだシー
トと口部及び／又はチューブを溶着させると同時に口部
及び／又はチューブの端面とシートを溶着する工程、
（４）前記（３）のシートを口部及び／又はチューブを
中心に２つに折り返す工程、（５）前記（４）のシート
を上下の溶着金型の間に挟持して前記口部及び／又はチ
ューブの周縁部を溶着した後、前記シートを上下の枠金
型に挟持して、シートの外縁部を溶着して袋状に形成す
る工程（または前記（４）のシートを溶着金型を装着し
た上下の枠金型の間に挟持して、口部及び／又はチュー
ブの周縁部とシートの外縁部を同時に溶着して袋状に形
成する工程）、2. A method of manufacturing a medical bag, comprising the following steps. (1) A step of contacting a mouth and / or a lower end face of a tube attached to an upper mold (electrode clamp) with a top or front of a sheet laid horizontally or vertically on the front or bottom of a lower mold,
(2) A step of inserting a ground rod from below or the back of the sheet through a lower mold and pushing the sheet pressed by the tip of the ground rod into the space of the mouth and / or the tube, (3)
A high frequency is passed between the upper die (electrode clamp) and the ground rod to weld the sheet and the mouth and / or the tube pushed into the space of the mouth and / or the tube, and at the same time, the end surface of the mouth and / or the tube And the process of welding the sheet,
(4) Folding back the sheet of (3) in two around the mouth and / or tube, (5) sandwiching the sheet of (4) between upper and lower welding molds, And / or after welding the peripheral portion of the tube, the sheet is sandwiched between upper and lower frame dies, and the outer edge portion of the sheet is welded to form a bag shape (or the sheet of the above (4) welding die) Sandwiching between the upper and lower frame molds with the attached, and simultaneously forming the bag shape by simultaneously welding the mouth and / or the peripheral edge of the tube and the outer edge of the sheet),
代えて、（２）シートの下方向又は背面方向から下金型
を介して、先端を鋭利に形成したアース棒を挿入して、
シートに穴をあけ、アース棒の外周に巻着したシートを
口部及び／又はチューブの空間内に押し込む工程、
（３）上金型（電極クランプ）とアース棒間に高周波を
通電させて、アース棒の外周に巻着したシートを口部及
び／又はチューブの内面に溶着すると同時に口部及び／
又はチューブの端面とシートを溶着する工程、よりなる
ことを特徴とする請求項２記載の医療用バッグの製造方
法。3. A ground rod having a sharp tip formed in place of the steps (2) and (3) according to claim 2 through a lower mold from (2) the lower direction or the back direction of the sheet. Insert
A step of punching a hole in the sheet and pushing the sheet wound around the outer periphery of the ground rod into the mouth and / or the space of the tube,
(3) A high frequency current is passed between the upper die (electrode clamp) and the earth rod to weld the sheet wound around the outer periphery of the earth rod to the mouth and / or the inner surface of the tube and at the same time
Alternatively, the method for manufacturing a medical bag according to claim 2, further comprising the step of welding the end surface of the tube and the sheet.
本体の上部に口部及び／又はチューブの下部端面を高周
波溶着したことを特徴とする医療用バッグ。4. A medical bag comprising a bag-shaped main body made of a flexible synthetic resin sheet and a mouth and / or a lower end surface of a tube welded to the upper portion of the bag by high frequency welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19475294A JP3241541B2 (en) | 1994-07-27 | 1994-07-27 | Medical bag and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19475294A JP3241541B2 (en) | 1994-07-27 | 1994-07-27 | Medical bag and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0838580A true JPH0838580A (en) | 1996-02-13 |
| JP3241541B2 JP3241541B2 (en) | 2001-12-25 |
Family
ID=16329649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19475294A Expired - Fee Related JP3241541B2 (en) | 1994-07-27 | 1994-07-27 | Medical bag and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3241541B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120160421A1 (en) * | 2009-06-17 | 2012-06-28 | Tyco Healthcare Group Lp | Apparatus for making bag assembly |
| US8398572B2 (en) | 2010-09-21 | 2013-03-19 | Covidien Lp | Bladder tube connection |
| US8502121B2 (en) | 2009-06-17 | 2013-08-06 | Covidien Lp | Radiofrequency welding apparatus |
-
1994
- 1994-07-27 JP JP19475294A patent/JP3241541B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120160421A1 (en) * | 2009-06-17 | 2012-06-28 | Tyco Healthcare Group Lp | Apparatus for making bag assembly |
| US8502121B2 (en) | 2009-06-17 | 2013-08-06 | Covidien Lp | Radiofrequency welding apparatus |
| US8574390B2 (en) | 2009-06-17 | 2013-11-05 | Covidien Lp | Apparatus for making bag assembly |
| US8573274B2 (en) * | 2009-06-17 | 2013-11-05 | Covidien Lp | Apparatus for making bag assembly |
| US8398572B2 (en) | 2010-09-21 | 2013-03-19 | Covidien Lp | Bladder tube connection |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3241541B2 (en) | 2001-12-25 |
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