JPS6357065B2 - - Google Patents

Info

Publication number
JPS6357065B2
JPS6357065B2 JP53129424A JP12942478A JPS6357065B2 JP S6357065 B2 JPS6357065 B2 JP S6357065B2 JP 53129424 A JP53129424 A JP 53129424A JP 12942478 A JP12942478 A JP 12942478A JP S6357065 B2 JPS6357065 B2 JP S6357065B2
Authority
JP
Japan
Prior art keywords
opaque
wall
housing
connecting member
face
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
Application number
JP53129424A
Other languages
English (en)
Other versions
JPS5485593A (en
Inventor
Bii Guranzo Danieru
Eru Kaataa Keerii
Anman Deebitsudo
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.)
Baxter International Inc
Original Assignee
Baxter Travenol Laboratories Inc
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
Application filed by Baxter Travenol Laboratories Inc filed Critical Baxter Travenol Laboratories Inc
Publication of JPS5485593A publication Critical patent/JPS5485593A/ja
Publication of JPS6357065B2 publication Critical patent/JPS6357065B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means
    • F16L29/005—Joints with fluid cut-off means joints with cut-off devices which can be perforated
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M39/14—Tube connectors; Tube couplings for connecting tubes having sealed ends
    • A61M39/143—Tube connectors; Tube couplings for connecting tubes having sealed ends both tube ends being sealed by meltable membranes pierced after connection by use of heat, e.g. using radiant energy
    • 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
    • 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
    • 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
    • B29C65/1477—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 making use of an absorber or impact modifier
    • B29C65/148—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 making use of an absorber or impact modifier placed at the interface
    • 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
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/58—Snap connection
    • 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
    • B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/747—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using other than mechanical means
    • B29C65/7473—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using other than mechanical means using radiation, e.g. laser, for simultaneously welding and severing
    • 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
    • B29C66/137—Beaded-edge joints or bead seals
    • 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
    • B29C66/5223—Joining tubular articles for forming corner connections or elbows, e.g. for making V-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
    • B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
    • B29C66/52293—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being external
    • 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
    • B29C66/52298—Joining tubular articles involving the use of a socket said socket being composed by several elements
    • 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
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • 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
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • 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
    • 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
    • B29C66/857—Medical tube welding machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/098—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/26—Couplings of the quick-acting type in which the connection is made by transversely moving the parts together, with or without their subsequent rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/28—Couplings of the quick-acting type with fluid cut-off means
    • F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M2039/1027—Quick-acting type connectors
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
    • 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
    • B29C65/1403—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 type of electromagnetic or particle radiation
    • B29C65/1406—Ultraviolet [UV] radiation
    • 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
    • B29C65/1403—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 type of electromagnetic or particle radiation
    • B29C65/1409—Visible light radiation
    • 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
    • B29C65/1403—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 type of electromagnetic or particle radiation
    • B29C65/1412—Infrared [IR] radiation
    • 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
    • B29C65/16—Laser beams
    • 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
    • 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
    • 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
    • B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • 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
    • B29K2071/00—Use of polyethers, e.g. PEEK, i.e. polyether-etherketone or PEK, i.e. polyetherketone or derivatives thereof, as moulding material
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0025—Opaque
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026—Transparent
    • B29K2995/0027—Transparent for light outside the visible spectrum
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/005—Hoses, i.e. flexible
    • B29L2023/007—Medical tubes other than catheters
    • 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
    • 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
    • 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
    • B29L2031/753—Medical equipment; Accessories therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/40—Special arrangements for pipe couplings for special environments
    • F16L2201/44—Special arrangements for pipe couplings for special environments sterile

Description

【発明の詳細な説明】 一対の導管の間に滅菌シールされた接続を形成
する必要性は、特に血液および血液成分の取扱い
の分野、そして容器間に無菌接続が望まれる他の
分野においても生ずる。
血液を取り扱う分野で、バツグもしくはその類
似物中の血液ユニツトの２分の１だけを使用する
ことが望まれる場合がある。このような事態が発
生すると、通常認められている血液バツグの無菌
的開封方法を使用することにより無菌性を維持す
る努力が為されているときでも、バツグが開封さ
れた後は使用されない血液ユニツトの残部は１日
以内に廃棄するのが慣例である。これはもしバク
テリアに僅か数時間以内にわたつて増殖すること
が許容され、その後該血液が患者に投与される
と、一個または二個の空気中のバクテリアでも敗
血症の危険性を発生するほど貯蔵血液中で増殖し
得るからである。
したがつて、ユニツトの一部のみを必要とする
とき該血液ユニツトの残部を廃棄する必要性を排
除するため、またはシールされた無菌の連通が
種々の容器間に望まれる他の多くの理由で、発展
中の無菌流体移送システムにおいて非常に多くの
研究がなされている。
例えば、バークマン等の米国特許第4022256号
は、使用する温度において非溶融性のプラスチツ
ク材料の内層を熱溶融性のチユーブが支承してい
る無菌接続手段を記載する。無菌だと主張する接
続は、該チユーブの外層を溶融し、非溶融性の層
を加圧する加熱金型を使用することによつて形成
され、該チユーブの溶融した層を単一の穴のあい
た層に形成することにより、二つのチユーブの間
に無菌接続が形成される。
バークマンの特許は、導管の溶融性層を介して
非溶融性材料層を加圧する特別の加熱金型を必要
とする。また、バークマン特許に示された具体例
においては、溶融性材料が加熱金型に対して押し
付けられる。加圧工程後金型が引き離される時の
加熱金型に対する溶融性材料の粘着は該接続を開
裂しまたは少なくとも著しく弱める可能性を有す
る。
そのため本願の第一の発明の目的および効果
は、二つの導管を無菌的に接続するため加熱およ
び加圧金型を使用せず、かつ金型へ溶融した材料
が付着しそのため形成された接続が金型から離さ
れる時強度が低下することがない、接続部を放射
エネルギーによつて加熱溶融する形式の二つの導
管を接続し、その間にシールされた連通を形成す
る方法を提供することである。
該第一の発明は特許請求の範囲第１項に規定さ
れている。
第二の発明の目的および効果は、それぞれ容器
へ接続された一対の導管を該容器の密封性および
無菌性を破ることなく無菌的に接続するための接
続部材を提供し、そのため該接続部材は接続のた
め加熱および加圧用の金型を使用せず、その代わ
りに接続部分を放射エネルギーの照射によつて加
熱溶融し、接続と両容器間の連通のための通路を
形成することである。
該第二の発明は特許請求の範囲第７項に規定さ
れている。
以上の各発明に共通する事項は、熱可塑性材料
よりなるシール壁を加熱溶融して孔あけするのに
放射エネルギーを照射することである。一般にプ
ラスチツクは熱の不良導体であるから熱伝導によ
つて加熱するには時間がかかる。その点放射エネ
ルギー照射は短時間に溶融温度へ加熱することが
可能であり、かつ一点へ集中して照射して狭い面
積を溶融することができるので、熱の伝導と加圧
のため特殊の金型を使用するバークマンの米国特
許第4022256号の器具および方法よりもすぐれて
いる。
本発明によれば、二つの導管の間に滅菌接続を
得るための加熱および加圧金型の使用は排除され
る。その代わりに、溶融部分に対し金型もしくは
その類似物の如何なる物理的接触もなしに、該導
管の壁の一部を選択的に溶融するため放射エネル
ギーが使用される。また本発明の接続部材は、溶
融した無菌接続域が機械的に開裂するのを防ぐた
め、二つの導管の間に機械的な接続を提供する連
結手段が設けられている。
本発明によれば、接続、殊に無菌接続がシール
された導管の間に形成される。各々の導管は、好
ましくは少なくとも約200℃の融点を有し、そし
てここで使用しようとしている特定の放射エネル
ギーに対して不透明な熱可塑性壁部を持つてい
る。このような融点または溶融温度範囲は、例え
ば示差熱分析によつて決めることができる。
無菌接続を形成するため該導管の不透明壁部
は、ともに対面接触せしめられる。不透明壁部
は、該壁部を一所に溶融しそして該溶融した壁部
に孔を開くのに十分な放射エネルギーに曝露され
る。これは導管の内部間にシールされた連通を形
成する。
不透明な熱可塑性壁部は、導管の端部を形成す
る透明な剛直なハウジングによつてその周囲を支
持されている。該導管の残部は所望により可撓性
にしてもよい。該剛直なハウジングは透明で、こ
の操作で使用される特定の放射エネルギー条件下
で本質的に軟化しない材料から製作される。一体
に対面接触させて壁部を配置したとき放射エネル
ギーは該不透明壁部を囲繞しそして防護する透過
性ハウジングを具合よく通過することができ、そ
のため融点へ加熱されるのは、不透明壁部を支持
し保護する透明なハウジングではなくて、この不
透明の壁部である。
不透明な壁部が溶融するとき、該壁部は単一の
シールされた塊に融合し、そして、この溶融によ
り溶融した不透明な熱可塑性壁部に中心孔が形成
される。不透明壁部の外面に付着している如何な
るバクテリヤも該溶融した塊内に捕捉されそして
該不透明壁部の溶融温度にさらされて具合よく滅
菌される。該溶融温度は、好ましくは220℃ない
し250℃のオーダーである。
放射エネルギーは、所望により可視光線、赤外
線、紫外線もしくは高周波エネルギー手段によつ
て該システムへ加えることができる。「不透明」
なる語句は、該壁部がそれに照射される特定の放
射エネルギーの大部分を吸収するように適合して
いることを意味する。「透明」なる語句は、加え
られた放射エネルギーの少量だけが吸収されるこ
とを意味する。集中した赤外線放射エネルギーを
使用することが特に望ましい。
放射エネルギーを与えるために所望によりレー
ザー光線も使用することができる。
不透明壁部には、該不透明壁部が一体にシール
されるときの中心孔の形成を容易にするため、一
軸もしくは二軸配向により、もしくは半径方向の
応力分布を形成することによつて前以つて応力を
発生させてもよい。また凝集力によつて中心孔が
形成するようにすれば、応力の発生していない壁
部を使用することもできる。
図面を参照すると、第１図は一対の導管端部の
正面図であり、導管の図示しない端部は一対の血
液バツグもしくはその類似物に接続することがで
き、図示の端部は本発明に係る不透明な熱可塑性
壁部を支持する一対のハウジングでそれぞれ終わ
つている。
第２図は第１図に図示した導管端部の一方の、
一部を縦断面にした拡大図である。
第３図は不透明壁部に対面接触をもたらすよう
に該壁部を一体に接合した後の第１図の二つの導
管端部を示す正面図であり、さらに該壁部を一体
に溶融し、そして孔を開口するために該不透明壁
部を十分な放射エネルギーにさらす工程を図解的
に示している。
第４図は前述の放射エネルギーにさらす工程以
前の第３図の構造の拡大縦断面図である。
第５図は放射エネルギーにさらす工程を終了し
た後の第３図の構造の一部分の拡大縦断面図であ
る。
図面を参照すると、導管１０，１２は、慣用の
血液バツグ１７，１９もしくは他の容器にそれぞ
れの一端が接続される、可撓性部分１４，１６を
含むことが図示されている。
ハウジング１８，２０は、ポリカーボネート材
料のような透明な高融点プラスチツク材料から製
作される。各々のハウジングは、チユーブ１４ま
たは１６の内孔と連通する中空の内側室２１と、
銃剣状部材２２およびスロツト２４を形成してい
る。銃剣状部材２２およびスロツト２４の両方
は、ハウジング上に非対称に位置し、その結果
各々の銃剣状部材２２は、一般に永久的なスナツ
プ嵌合関係に同一構造のハウジングの対応スロツ
ト２４内に嵌合することができる。各々の銃剣状
部材２２は、あご２６の引掛り作用によつてスロ
ツト２４内に保持される。従つて一対のハウジン
グ１８，２０を接続するとき、これらは大きな努
力をもつて取り外されるだけである。各々の銃剣
状部材２２の拡大部分２８は、銃剣状部材２２が
後方へ撓む能力を減少させることによつて、ハウ
ジングの分離をより一層困難にするため、相手側
のハウジングのスロツト２４の内壁を押圧するよ
うな寸法にすることが望ましい。
各々のハウジング１８，２０は、少なくとも
200℃の溶融温度を有する熱可塑性材料から製作
された不透明壁部３０を支持する。
例えばレクサンのようなポリカーボネート材
料、もしくはユニオン・カーバイド社のユーデル
またはレイデルのようなポリスルフオン材料を使
用することができる。またポリエーテルスルフオ
ン材料も使用することができる。
熱可塑性の不透明壁部３０は、不透明とするた
めカーボンブラツクのような充填剤を一般に含有
する。しかしながら使用される放射エネルギーの
吸収剤である他の所望の充填剤、例えば酸化鉄、
二酸化マンガンもしくはこれらの類似物もカーボ
ンブラツクの代替物として使用することができ
る。
不透明な熱可塑性壁部３０は、好ましくはその
周縁部分よりも中心部分が薄くなつている円板で
あることが示されている。円板３０は、超音波シ
ールもしくはその類似手段によつてその周縁でハ
ウジングのくぼみ３４内に保持され、また第４図
に示されているように、対面している一対の不透
明壁部の間の良好な加圧接触を容易にするため、
僅かに外側に膨れているのが示されている。環状
溝３３は、透明なハウジング内に不透明円板が組
み立てられたとき壁部を形成するプラスチツクが
流動するための余地を与える。
第４図はまた、銃剣状部材２２が、不透明壁部
が一所に押圧され、それぞれのハウジングにより
保護された態様で取り囲まれるように、それぞれ
のハウジング間の接続を形成するように、どのよ
うにして相手側のハウジングの対向スロツト２４
内に嵌合しているかを示している。
ハウジング１８，２０が接続された後、該ハウ
ジングは使用された特定の不透明壁部によつて吸
収される種類の放射エネルギーによつて照射され
る。特に赤外線は、放射エネルギーの一つの望ま
しい種類である。例えばこれは楕円反射鏡を有す
る150ワツトのシルバニア・ランプ（モデルDJL）
を使用することによつて達成される。これは壁部
３０を好ましくは10ないし20秒で急速に加熱し、
それぞれの壁部３０を一所に溶融し、そして応力
の助けまたは単なる凝集力によつて壁部３０を貫
通する孔３６を形成するに必要な赤外線を密接す
る壁部分３０の中心に集中させることができる。
壁部に捕捉されたバクテリヤは、壁部３０をそ
の溶融温度に加熱することによつて死滅させら
れ、そしてさらに壁部３０の溶融した材料が再硬
化するときに捕捉される。これは無菌流路２１間
に接続の形成をもたらし、さらに該流路における
無菌性の継続的な維持が保証される。
溶融した壁部３０は、孔３６の周囲に溶着密閉
を形成するように一所に溶融し、流路の無菌性の
破れを阻止する。同時にそれぞれの膜壁部３０の
間のシール線３８は、それぞれのハウジング１
８，２０の間の一般に永久的な接続によつて機械
的な破断から防護される。
別法として、高周波エネルギーもしくはその類
似媒体を放射エネルギーとして使用することを望
むならば、不透明壁部３０を可塑化ポリ塩化ビニ
ルで製作し、一方ハウジング１８，２０の残余の
部分は、高周波エネルギーに対して比較的不活性
なプラスチツク材料、例えば該ハウジングが高周
波もしくは他の高エネルギーの、高周波放射電場
にさらされたとき著しく加熱されないポリプロピ
レン、ポリエチレン、ポリ（塩化ビニル−塩化ビ
ニリデン）、もしくはこれらに類似した材料で製
作することができる。
したがつて、本発明によつて、本発明に係るそ
れぞれのハウジング１８，２０を支持する個々の
バツグからの導管を単に接続するだけによつて例
えば充満したバツグと空の血液バツグとの間に無
菌接続を形成することができる。接続されたハウ
ジングは、不透明壁部を溶融するため、例えば約
15秒間集中赤外線に単に曝光し、該壁部を一体に
溶融し、そして該壁部を貫通して孔を形成するこ
とができる。無菌接続はこのようにして完了し、
該接続部を通つて充満した血液バツグ中の血液の
一部分を使用のため空のバツグに移行させること
ができる。この後該バツグは、バクスター、トラ
ベノール、ラボラトリーズ、インコーポレイテツ
ドのフエンウオール部門によつて販売されている
ヘマトロン加熱シール器で血液バツグからハウジ
ング１８，２０へ向かつて延びている可撓性導管
１４，１６の一方もしくは両方を加熱シールする
ことにより、常法に従つて切り離すことができ
る。次いで血液バツグは使用する所望の場所へ、
もしくは長期保存へ戻すため運搬することができ
る。
上述の説明は例示の目的のみによつて提示され
たものであり、特許請求の範囲に規定された本発
明の範囲を制限することを意図するものではな
い。
【図面の簡単な説明】
第１図は一対の導管端部の正面図であり、第２
図は一方の導管端部の拡大縦断面図、第３図は不
透明壁部を対面接触させた二つの導管端部の正面
図、第４図は放射エネルギー照射前の導管の拡大
縦断面図、第５図は放射エネルギー照射後の導管
の拡大縦断面図である。 １０，１２は導管、１４，１６はチユーブ、１
７，１９は血液バツグ、１８，２０はハウジン
グ、２１は中空内側室、２２は銃剣状部材、２４
はスロツト、３０は不透明壁部である。

Claims (1)

  1. 【特許請求の範囲】 １ 一対のシールされた導管の間に無菌的に接続
    を形成する方法であつて、 前記導管の透明な剛直ハウジング部分によつて
    周縁が支持されている放射エネルギーの高いパー
    セントを吸収する不透明な熱可塑性壁部を備えて
    いる一対の導管を前記不透明壁部が対面接触する
    ように連結し、 前記ハウジングの外側から前記透明な剛直ハウ
    ジング部分を通つて、前記不透明壁部を一所に溶
    融しそして溶融した壁部を貫通する孔を開くのに
    十分な放射エネルギーを前記対面接触した不透明
    壁部に照射し、前記導管の内部間にシールされた
    連通を形成することを特徴とする前記方法。 ２ 前記導管の内部が無菌である特許請求の範囲
    第１項の方法。 ３ 前記熱可塑性壁部の溶融温度が少なくとも
    200℃である特許請求の範囲第２項の方法。 ４ 前記ハウジング部分は、溶融した不透明な壁
    部を機械的応力から保護するため、該ハウジング
    部分の各々の不透明壁部分を対面接触させた位置
    で同一構造のハウジング部分を一般に永久的に連
    結するための手段を備えている特許請求の範囲第
    ３項の方法。 ５ 前記放射エネルギーが赤外線である特許請求
    の範囲第４項の方法。 ６ 前記不透明な熱可塑性壁部が10ないし20秒間
    前記赤外線に露光される特許請求の範囲第５項の
    方法。 ７ 一対のシールされた導管の間に無菌的に接続
    を形成するための接続部材であつて、前記各導管
    の端部分へ接続された、放射エネルギーの透過に
    対して透明な材料でつくられた中空ハウジングを
    備え、前記ハウジングの中空な内部はハウジング
    壁によつて外部からシールされており、前記ハウ
    ジング壁の一部分は、放射エネルギーの高パーセ
    ントを吸収する不透明な壁部を含み、該不透明な
    壁部は透明なハウジングの残余の部分に対してシ
    ールされており、該不透明壁部は熱可塑性材料か
    らつくられており、そして前記接続部材は他方の
    導管へ接続された同一構造の対応する接続部材へ
    前記不透明壁部を対面接触させて一般に永久的に
    連結するための手段を備え、前記接続部材は前記
    対応する接続部材へそれぞれの不透明壁部を対面
    接触させて連結し、前記ハウジング壁の透明部分
    を通つて外部から対面接触している前記不透明壁
    部へ放射エネルギーを照射して一体に溶融し、該
    不透明壁部を貫通してそれぞれのハウジング内部
    間を連通する孔を開くことができるようになつて
    いることを特徴とする前記接続部材。 ８ 前記連結手段は、前記ハウジングの一端から
    突出する銃剣状部材と、前記他方の導管に支持さ
    れた対応する接続部材の前記銃剣状部材を受け入
    れるため前記ハウジングの他端に設けられたスロ
    ツトからなる特許請求の範囲第７項の接続部材。 ９ 前記銃剣状部材は、該部材の一方の側にあご
    を有し、そして前記一方の側から離れる方向への
    前記銃剣状部材の運動を制限するための補強部材
    が設けられている特許請求の範囲第８項の接続部
    材。 １０ 前記不透明な熱可塑性壁部が少なくとも
    200℃の溶融温度を有する材料で製作されている
    特許請求の範囲第９項の接続部材。 １１ 前記透明なハウジングは医療用液体容器に
    接続するための可撓性チユーブの一端とシール連
    通している特許請求の範囲第１０項の接続部材。 １２ 前記医療用液体容器が血液バツグである特
    許請求の範囲第１１項の接続部材。 １３ 前記不透明壁部は、該不透明壁部が放射エ
    ネルギーによつて溶融温度に加熱されたとき前記
    壁部を貫通する孔を開くことを容易にするため、
    応力が与えられている特許請求の範囲第７項の接
    続部材。 １４ 前記ハウジング壁の不透明壁部は中心部分
    が周辺部分より薄くなつた円板形部材よりなる特
    許請求の範囲第７項の接続部材。 １５ 前記円板形部材は前記不透明壁部の対面接
    触を容易にするため外側へ弓なりになつている特
    許請求の範囲第１４項の接続部材。
JP12942478A 1977-10-19 1978-10-19 Method of forming connection between two sealed conduits using radiant energy Granted JPS5485593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/843,608 US4157723A (en) 1977-10-19 1977-10-19 Method of forming a connection between two sealed conduits using radiant energy

Publications (2)

Publication Number Publication Date
JPS5485593A JPS5485593A (en) 1979-07-07
JPS6357065B2 true JPS6357065B2 (ja) 1988-11-10

Family

ID=25290509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12942478A Granted JPS5485593A (en) 1977-10-19 1978-10-19 Method of forming connection between two sealed conduits using radiant energy

Country Status (16)

Country Link
US (1) US4157723A (ja)
JP (1) JPS5485593A (ja)
AU (1) AU4062578A (ja)
BE (1) BE871343A (ja)
BR (1) BR7806859A (ja)
CA (1) CA1092622A (ja)
CH (1) CH639742A5 (ja)
DE (1) DE2845602A1 (ja)
ES (2) ES474353A1 (ja)
FR (1) FR2406777A1 (ja)
GB (1) GB2006102B (ja)
IL (1) IL55690A (ja)
MX (1) MX150031A (ja)
NO (2) NO149802C (ja)
SE (2) SE433056B (ja)
ZA (1) ZA785613B (ja)

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Also Published As

Publication number Publication date
ZA785613B (en) 1979-09-26
IL55690A0 (en) 1978-12-17
FR2406777B1 (ja) 1985-05-17
AU4062578A (en) 1980-04-17
NO821132L (no) 1979-04-20
NO783523L (no) 1979-04-20
CA1092622A (en) 1980-12-30
ES474353A1 (es) 1979-11-01
DE2845602A1 (de) 1979-04-26
IL55690A (en) 1981-01-30
JPS5485593A (en) 1979-07-07
SE460616B (sv) 1989-10-30
GB2006102B (en) 1982-11-24
DE2845602C2 (ja) 1988-03-17
SE433056B (sv) 1984-05-07
SE8304352L (sv) 1983-08-10
NO149615B (no) 1984-02-13
SE7810848L (sv) 1979-04-20
ES243010Y (es) 1980-01-01
NO149615C (no) 1984-05-23
NO149802C (no) 1984-06-27
NO149802B (no) 1984-03-19
GB2006102A (en) 1979-05-02
BE871343A (fr) 1979-02-15
SE8304352D0 (sv) 1983-08-10
US4157723A (en) 1979-06-12
ES243010U (es) 1979-07-16
FR2406777A1 (fr) 1979-05-18
CH639742A5 (de) 1983-11-30
BR7806859A (pt) 1979-05-08
MX150031A (es) 1984-03-05

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