JP6546792B2 - 接続部分を開放および/または評価するための装置と方法 - Google Patents
接続部分を開放および/または評価するための装置と方法 Download PDFInfo
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- JP6546792B2 JP6546792B2 JP2015123714A JP2015123714A JP6546792B2 JP 6546792 B2 JP6546792 B2 JP 6546792B2 JP 2015123714 A JP2015123714 A JP 2015123714A JP 2015123714 A JP2015123714 A JP 2015123714A JP 6546792 B2 JP6546792 B2 JP 6546792B2
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- A—HUMAN NECESSITIES
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- 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
- A61M39/146—Tube connectors; Tube couplings for connecting tubes having sealed ends by cutting and welding
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- 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
- A61M39/08—Tubes; Storage means specially adapted therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M39/16—Tube connectors; Tube couplings having provision for disinfection or sterilisation
- A61M39/18—Methods or apparatus for making the connection under sterile conditions, i.e. sterile docking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
- B29C65/743—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 the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/76—Making non-permanent or releasable joints
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- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
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- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8207—Testing the joint by mechanical methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B29C66/114—Single butt joints
- B29C66/1142—Single butt to butt joints
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2846—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for tubes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2853—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Description
Claims (14)
- 2つの空洞の、柔軟な流体管(20,22)の間に形成された熱接着された接続(32)を開放するための方法であって、
接続は、管の間の内部連通を少なくとも部分的に閉塞している、熱可塑性材料の脆弱な部分(38)を含み、
当該方法は、前記脆弱な部分を崩壊させて閉塞を低減するように、少なくとも1つの管(20,22)と周囲の大気との間に、前記脆弱な部分(38)の近傍において管の壁を膨張させるのに十分な圧力の差を生みだすことを含み、
前記脆弱な部分の崩壊を決定するために1つの前記管内の圧力を観測することを含む、方法。 - 前記圧力差は、前記熱可塑性材料が昇温状態である時に生み出される、請求項1に記載の方法。
- 前記圧力差は、前記熱可塑性材料がガラス転移点以上の温度である時に生み出される、請求項1に記載の方法。
- 前記圧力差は、前記熱接着された接続の形成から約10秒以内に生み出される、請求項1に記載の方法。
- 前記圧力差は、管内部の圧力を周囲の圧力よりも上に増大すること、または、管外部の圧力を管内部の圧力よりも下に低減することによって生み出される、請求項1に記載の方法。
- 前記流体管の1つを遮蔽し、前記脆弱な部分が崩壊するまで他方の流体管の内部の圧力を増大させることを含む、請求項1に記載の方法。
- 前記脆弱な部分が崩壊された後に前記熱接着の完全度を決定するために1つの前記管内の圧力を観測することを含む、請求項1に記載の方法。
- 前記1つの管内に圧力の増大が観測されるまで、他方の前記管内の圧力を増大させることを含む、請求項1に記載の方法。
- 2つの空洞の、柔軟な流体管(20,22)の間に形成された、熱接着された接続(32)を開放するための接続開放装置であって、
接続は、管の間の内部連通を少なくとも部分的に閉塞している、熱可塑性材料の脆弱な部分(38)を含み、
当該装置は、管を通過する流れを閉塞するように1つの前記流体管(20)と協働する遮蔽器(40)と、前記脆弱な部分(38)の近傍において他方の前記流体管の壁の膨張を引き起こすように他方の管の内部と周囲の大気との間に圧力差を生みだすために他方の流体管(22)と協働するポンプ(44)と、1つの前記流体管(20)と協働してその管内の圧力を検知するように動作可能である力または圧力検知器(42)とを備え、
他方の流体管(22)の膨張は、前記脆弱な部分(38)を崩壊させて閉塞の量を低減するために使用可能であり、前記検知器(42)は、1つの前記管内の圧力変化を検知するために使用可能である、装置。 - 前記検知器(42)は、前記脆弱な部分(38)の崩壊に反応した前記1つの管(20)内の圧力の増大を検知するために使用可能である、請求項9に記載の装置。
- 前記検知器(42)は、前記1つの管(20)内の圧力を、前記脆弱な部分(38)の崩壊後、ある時間の期間の間、検知するために使用可能である、請求項9に記載の装置。
- 使い捨て流体回路において血液を処理するための耐久性の血液処理装置を含み、
前記装置は、血液分離器を受容するためのステーションと、流体回路を通る流れを制御するための複数の制御弁とを備え、
前記遮蔽器(40)は、1つの前記管(20)を通る流れを閉塞するためにその管と協働する弁を備え、
前記ポンプ(44)は、前記脆弱な部分(38)を崩壊させて閉塞量を低減するために接続(32)付近において他方の流体管(22)内の圧力を増大させるように構成され、
力または圧力検知器(42)は前記1つの管の内部の圧力の増大を検知するために使用可能である、請求項9に記載の装置。 - 使い捨て流体流通回路の2つの流体管(20,22)の間に熱接着された接続(32)を形成するための接続装置(24,26,28,30)をさらに備え、
前記接続は、管の間の内部連通を少なくとも部分的に閉塞している、熱可塑性材料の脆弱な部分(38)を含み、
前記接続装置は、接続の一方側の弁(40)と検知器(42)と、接続の他方側のポンプとの間に接続を形成するように配置されている、請求項9に記載の装置。 - 離間された位置と端部と端部が接触する位置との間で、その間に接続(32)を形成するために、それぞれの管の端部を回動的に移動させるように、互いに別個の流体管(20,22)と協働する少なくとも2つの相対的に回転可能な部材(24,26)を含む接続形成装置を備える、請求項9に記載の装置。
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