JP2009538707A - 医療器具ならびに関連するシステムおよび方法 - Google Patents
医療器具ならびに関連するシステムおよび方法 Download PDFInfo
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- JP2009538707A JP2009538707A JP2009513368A JP2009513368A JP2009538707A JP 2009538707 A JP2009538707 A JP 2009538707A JP 2009513368 A JP2009513368 A JP 2009513368A JP 2009513368 A JP2009513368 A JP 2009513368A JP 2009538707 A JP2009538707 A JP 2009538707A
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- tubular member
- proximal
- distal
- tubular
- mold
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14598—Coating tubular articles
- B29C45/14614—Joining tubular articles
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/0009—Making of catheters or other medical or surgical tubes
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0054—Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
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- 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
- B29C65/40—Applying molten plastics, e.g. hot melt
- B29C65/42—Applying molten plastics, e.g. hot melt between pre-assembled parts
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- 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
- B29C65/70—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by moulding
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- 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
- B29C66/114—Single butt joints
- B29C66/1142—Single butt to butt joints
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- 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
- B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
- B29C66/1162—Single bevel to bevel joints, e.g. mitre joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
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- 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
- B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
- B29C66/53241—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being tubular and said substantially annular single elements being of finite length relative to the infinite length of said tubular articles
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- 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
- B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
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- 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
- B29C66/63—Internally supporting the article during joining
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- 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
- B29C66/731—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 intensive physical properties of the material of the parts to be joined
- B29C66/7315—Mechanical properties
- B29C66/73151—Hardness
- B29C66/73152—Hardness of different hardness, i.e. the hardness of one of the parts to be joined being different from the hardness of the other part
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
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- 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
-
- 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
- B29C66/24223—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 oval
-
- 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
- B29C66/2424—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 a closed polygonal chain
- B29C66/24243—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 a closed polygonal chain forming a quadrilateral
- B29C66/24244—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 a closed polygonal chain forming a quadrilateral forming a rectangle
- B29C66/24245—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 a closed polygonal chain forming a quadrilateral forming a rectangle forming a square
-
- 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
- B29C66/2424—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 a closed polygonal chain
- B29C66/24249—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 a closed polygonal chain forming a specific polygon not provided for in B29C66/24241 - B29C66/24243
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- 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
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- 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
- B29K2995/0037—Other properties
- B29K2995/007—Hardness
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- 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
- B29L2022/00—Hollow articles
- B29L2022/02—Inflatable articles
- B29L2022/022—Balloons
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29L2023/00—Tubular articles
- B29L2023/18—Pleated or corrugated hoses
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Manufacturing & Machinery (AREA)
- Materials For Medical Uses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Prostheses (AREA)
Abstract
Description
一部の実施形態では、先端チップが、第1および第2管状部材の少なくとも一方に固定される。
一部の実施形態では、前記方法はさらに、第1および第2管状部材の管腔の少なくとも一方にマンドレルを配置することを含む。
一部の実施形態では、少なくとも1つの凹部領域は、キャビティの周りで円周方向に延在する溝を含む。
一部の実施形態では、型は、型に沿って軸方向に離間した複数の凹部領域を含む。
一部の実施形態では、型は、第1および第2管状部材が型内に配置されると、第1および第2管状部材が、互いに対して軸方向に相対移動することを実質的に防止するように構成される。
一部の実施形態では、樹脂は、第1および第2管状部材の溶融温度より高い溶融温度を有する。
一部の実施形態では、前記方法はさらに、第1および第2管状部材の溶融温度より低い温度に型を加熱すること、および、樹脂が冷却されて固化する前に、型のキャビティ内に樹脂を急速に注入することを含む。
一部の実施形態では、前記方法はさらに、医療器具の所定の領域に中間管状部材を配設することを含む。医療器具の所定の領域は、医療器具の使用中においては体内管の所定の領域内に配置される。
一部の実施形態では、体内管の所定の領域は、大動脈と冠状動脈が接続される領域を含む。
一部の実施形態では、中間管状部材は、第1および第2管状部材の少なくとも一方の硬度より高い硬度を有する。
一部の実施形態では、前記方法はさらに、第1および第2管状部材のそれぞれの少なくとも1つの端領域から材料を除去することを含む。端領域はそれぞれ、材料を除去した後に、医療器具の長手方向軸線に対して鋭角をなして延在する表面を含む。
一部の実施形態では、医療器具は、医療器具の先端領域に固定された可撓性を有する先端チップを含む。
一部の実施形態では、基端側および先端側管状部材の一方が金属を含み、他方がポリマー材料を含む。
一部の実施形態では、中間管状部材は、中間管状部材の外面から延在する少なくとも1つの隆起形状部を含む。
一部の実施形態では、少なくとも1つの隆起形状部は、中間管状部材の周りに螺旋状に延在する。
一部の実施形態では、隆起形状部は、中間管状部材の基端側領域から中間管状部材の先端側領域に向かって間隔を次第に増大させることによって離間される。
一部の実施形態では、中間管状部材は、中間管状部材の基端側領域から中間管状部材の先端側領域に向かって硬度が減少する。
一部の実施形態では、中間管状部材は、基端側管状部材および先端側管状部材の両方の硬度より低い硬度を有する。
一部の実施形態では、中間管状部材は、基端側および先端側管状部材のうち少なくとも一方に化学的に接合される。
一部の実施形態では、中間管状部材は、医療器具の所定の領域に配置され、医療器具の所定の領域は、医療器具の使用中において体内管の所定の領域内に配置される。
実施形態は、以下の利点の1つまたは複数を含むことができる。
一部の実施形態では、医療器具は、適合性がない(たとえば、熱的に適合性がない)材料を含む基端側および先端側管状部材を含む。本明細書に記載される方法の実施形態は、こうした基端側および先端側管状部材が、たとえば、中間管状部材を介して互いに接続されることを可能にする。
例として、一部の実施形態では、中間要素125の可撓性がその長さに沿って変わる。たとえば、カテーテルの追従性を高めるために、中間要素125は、その基端から先端に向かって次第に可撓性を高くすることができる。中間要素125は、たとえば、入口通路145を介して送られる樹脂140の組成を変更することによって、中間要素125の長さに沿って次第に可撓性が高くなるように形成することができる。これに代えて、またはこれに加えて、中間要素125の壁を、中間要素の基端から先端に向かって次第に薄くすることができる。次第に薄くなる壁は、たとえば、空洞235および/またはマンドレル207の構成を変更することによって形成することができる。
(例1)
カテーテルシャフトを形成するために、ナイロン12から形成される基端側管状セグメントおよびPebax7033から形成される先端側管状セグメントが提供される。基端側管状セグメントは、約0.045インチ(約1.14ミリメートル)の外径および約0.038インチ(約0.965ミリメートル)の内径を有する。先端側管状セグメントは、約0.028インチ(約0.711ミリメートル)の外径および約0.024インチ(約0.610ミリメートル)の内径を有する。
Claims (18)
- 医療器具の製造方法であって、
型によって少なくとも部分的に画定されたキャビティ内に、それぞれ内部に延在する管腔を画定する第1および第2管状部を軸方向に離間させて配置する工程と、
前記第1管状部材と前記第2管状部材との間の前記型の領域内に溶融樹脂を送出する工程と、前記樹脂は、硬化すると、前記第1および第2管状部材の少なくとも一方の組成と異なる組成を有する中間管状部材を形成することと、
前記医療器具の先端領域に先端チップを配設する工程と
を含む方法。 - 前記先端チップは、前記第1および第2管状部材の少なくとも一方に固定される、請求項1に記載の方法。
- 前記第1および第2管状部材の管腔のうち少なくとも一方にマンドレルを配置する工程をさらに含む、請求項1に記載の方法。
- 前記型は、前記キャビティから外側に延在し、かつ、前記キャビティに連通する少なくとも1つの凹部領域を画定する、請求項1に記載の方法。
- 前記少なくとも1つの凹部領域は、前記キャビティの周りで円周方向に延在する溝を備える、請求項4に記載の方法。
- 前記凹部領域は螺旋溝を備える、請求項4に記載の方法。
- 前記型は、該型に沿って軸方向に離間した複数の凹部領域を画定する、請求項4に記載の方法。
- 前記型は、前記第1および第2管状部材が前記型内に配置されると、該第1および第2管状部材が互いに対して軸方向に相対移動することを実質的に防止するように構成される、請求項1に記載の方法。
- 前記樹脂は、前記第1および第2管状部材の溶融温度より低い溶融温度を有する、請求項1に記載の方法。
- 前記第1および第2管状部材の溶融温度より低い温度に前記型を加熱することをさらに含む、請求項1に記載の方法。
- 前記樹脂と、前記第1および第2管状部材のうち少なくとも一方とは、熱的に適合性がない、請求項1に記載の方法。
- 前記中間管状部材は、前記第1および第2管状部材のうち少なくとも一方の硬度より低い硬度を有する、請求項1に記載の方法。
- 前記第1および第2管状部材のそれぞれの少なくとも1つの端領域から材料を除去する工程をさらに含み、前記端領域はそれぞれ、材料除去後に、前記医療器具の長手方向軸線に対して鋭角をなして延在する表面を備える、請求項1に記載の方法。
- 前記樹脂を、前記第1および第2管状部材のうち少なくとも一方に化学的に接合する工程をさらに含む、請求項1に記載の方法。
- 前記第1および第2管状部材は熱的に適合性がない、請求項1に記載の方法。
- 基端側管状部材と、
先端側管状部材と、
前記基端側管状部材の先端領域に接合され、かつ、前記先端側管状部材の基端領域に接合される中間管状部材と、該中間管状部材は、前記基端側および先端側管状部材の少なくとも1つの材料に関して熱的に適合性がない少なくとも1つの材料を含むことと
を備える医療器具。 - 医療器具の先端領域に固定された可撓性先端チップをさらに備える、請求項16に記載の医療器具。
- 前記中間管状部材は、前記中間管状部材の外面から延在する少なくとも1つの隆起形状部を備える、請求項16に記載の医療器具。
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US11/442,756 US7718106B2 (en) | 2006-05-30 | 2006-05-30 | Medical devices and related systems and methods |
PCT/US2007/068926 WO2007143345A1 (en) | 2006-05-30 | 2007-05-15 | Medical devices and related systems and methods |
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US20150126852A1 (en) * | 2013-11-01 | 2015-05-07 | Covidien Lp | Positioning catheter |
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WO2015170733A1 (ja) * | 2014-05-09 | 2015-11-12 | 東レ株式会社 | 血管内治療補助具 |
WO2016069473A1 (en) * | 2014-10-27 | 2016-05-06 | Qxmedical, Llc | Variable stiffness balloon catheter and related methods |
JP2017140115A (ja) * | 2016-02-08 | 2017-08-17 | テルモ株式会社 | 脊椎治療方法および脊椎治療用カテーテル |
US20230191671A1 (en) * | 2021-12-21 | 2023-06-22 | Repligen Corporation | Tubing coupler moldings and systems, and associated methods |
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CA2654434A1 (en) | 2007-12-13 |
WO2007143345A1 (en) | 2007-12-13 |
ATE513677T1 (de) | 2011-07-15 |
EP2032344A1 (en) | 2009-03-11 |
US7718106B2 (en) | 2010-05-18 |
US20080097396A1 (en) | 2008-04-24 |
JP5537934B2 (ja) | 2014-07-02 |
EP2032344B1 (en) | 2011-06-22 |
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