DE3825488A1 - Zylindrische venen-verweilkanuele und verfahren zu iher herstellung - Google Patents
Zylindrische venen-verweilkanuele und verfahren zu iher herstellungInfo
- Publication number
- DE3825488A1 DE3825488A1 DE19883825488 DE3825488A DE3825488A1 DE 3825488 A1 DE3825488 A1 DE 3825488A1 DE 19883825488 DE19883825488 DE 19883825488 DE 3825488 A DE3825488 A DE 3825488A DE 3825488 A1 DE3825488 A1 DE 3825488A1
- Authority
- DE
- Germany
- Prior art keywords
- sleeve
- tool
- hollow cylindrical
- wall thickness
- cannula
- 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
- 210000003462 vein Anatomy 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 14
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 229920003023 plastic Polymers 0.000 claims abstract description 21
- 230000007704 transition Effects 0.000 claims abstract description 18
- 238000001746 injection moulding Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000002861 polymer material Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 241001631457 Cannula Species 0.000 description 7
- 210000004204 blood vessel Anatomy 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000001990 intravenous administration Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 208000005189 Embolism Diseases 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 235000016236 parenteral nutrition Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- 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
- A61M25/001—Forming the tip of a catheter, e.g. bevelling process, join or taper
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/261—Moulds having tubular mould cavities
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/36—Moulds having means for locating or centering cores
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (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)
- Veterinary Medicine (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19883825488 DE3825488A1 (de) | 1988-07-27 | 1988-07-27 | Zylindrische venen-verweilkanuele und verfahren zu iher herstellung |
PCT/EP1989/000844 WO1990000960A1 (en) | 1988-07-27 | 1989-07-19 | A process for producing thin walled tubes with connecting elements by injection moulding, the tubes thus produced and their use as indwelling vein cannulas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19883825488 DE3825488A1 (de) | 1988-07-27 | 1988-07-27 | Zylindrische venen-verweilkanuele und verfahren zu iher herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3825488A1 true DE3825488A1 (de) | 1990-02-08 |
DE3825488C2 DE3825488C2 (enrdf_load_stackoverflow) | 1991-06-13 |
Family
ID=6359661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19883825488 Granted DE3825488A1 (de) | 1988-07-27 | 1988-07-27 | Zylindrische venen-verweilkanuele und verfahren zu iher herstellung |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3825488A1 (enrdf_load_stackoverflow) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2230702A (en) * | 1989-04-25 | 1990-10-31 | Simpla Plastics | One-piece catheter formed in a single step |
DE4140099C1 (enrdf_load_stackoverflow) * | 1991-12-05 | 1993-05-06 | Sueddeutsche Feinmechanik Gmbh, 6480 Waechtersbach, De | |
DE19703316A1 (de) * | 1997-01-30 | 1998-08-06 | Fischbach A Kunststoff Kg | Verfahren zur Herstellung einer Düsenkartusche |
EP1034811A1 (en) * | 1999-03-11 | 2000-09-13 | Ethicon, Inc. | An intravenous catheter assembly and a method of making a combination hub and catheter |
EP1116567A3 (en) * | 1999-12-30 | 2003-01-02 | Ethicon, Inc. | Gas assist molding of one-piece catheters |
DE10220410A1 (de) * | 2002-05-08 | 2003-11-27 | Rehau Ag & Co | Schläuche für periphere Venenverweilkanüle |
GB2418361A (en) * | 2004-08-13 | 2006-03-29 | Don Julian De Silva | Intravenous catheter with flow increase |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1479363B (de) * | Koehn, Wilbur Raymond, Sands Point, N Y (V St A ) | Chirurgisches Instrument zum Verab folgen oder Abziehen von Flüssigkeiten | ||
US3778211A (en) * | 1971-12-27 | 1973-12-11 | Redmer Plastics Inc | Plastic injection mold apparatus |
DE3238834A1 (de) * | 1982-03-12 | 1983-09-22 | Terumo K.K., Tokyo | Kanueleneinheit und damit versehener medizinischer beutel |
DE3723318A1 (de) * | 1986-07-21 | 1988-01-28 | Sterimed Gmbh | Venenverweilkanuele |
-
1988
- 1988-07-27 DE DE19883825488 patent/DE3825488A1/de active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1479363B (de) * | Koehn, Wilbur Raymond, Sands Point, N Y (V St A ) | Chirurgisches Instrument zum Verab folgen oder Abziehen von Flüssigkeiten | ||
US3778211A (en) * | 1971-12-27 | 1973-12-11 | Redmer Plastics Inc | Plastic injection mold apparatus |
DE3238834A1 (de) * | 1982-03-12 | 1983-09-22 | Terumo K.K., Tokyo | Kanueleneinheit und damit versehener medizinischer beutel |
DE3723318A1 (de) * | 1986-07-21 | 1988-01-28 | Sterimed Gmbh | Venenverweilkanuele |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2230702A (en) * | 1989-04-25 | 1990-10-31 | Simpla Plastics | One-piece catheter formed in a single step |
DE4140099C1 (enrdf_load_stackoverflow) * | 1991-12-05 | 1993-05-06 | Sueddeutsche Feinmechanik Gmbh, 6480 Waechtersbach, De | |
DE19703316A1 (de) * | 1997-01-30 | 1998-08-06 | Fischbach A Kunststoff Kg | Verfahren zur Herstellung einer Düsenkartusche |
DE19703316B4 (de) * | 1997-01-30 | 2008-06-05 | Fischbach Kg Kunststoff-Technik | Verfahren und Vorrichtung zur Herstellung einer Düsenkartusche |
EP1034811A1 (en) * | 1999-03-11 | 2000-09-13 | Ethicon, Inc. | An intravenous catheter assembly and a method of making a combination hub and catheter |
US6192568B1 (en) * | 1999-03-11 | 2001-02-27 | Ethicon, Inc. | Method of making an intravenous catheter assembly |
EP1116567A3 (en) * | 1999-12-30 | 2003-01-02 | Ethicon, Inc. | Gas assist molding of one-piece catheters |
US6630086B1 (en) | 1999-12-30 | 2003-10-07 | Ethicon, Inc. | Gas assist molding of one-piece catheters |
DE10220410A1 (de) * | 2002-05-08 | 2003-11-27 | Rehau Ag & Co | Schläuche für periphere Venenverweilkanüle |
DE10220410B4 (de) * | 2002-05-08 | 2006-04-13 | Raumedic Ag | Verwendung von Schläuchen für periphere Venenverweilkanülen |
GB2418361A (en) * | 2004-08-13 | 2006-03-29 | Don Julian De Silva | Intravenous catheter with flow increase |
Also Published As
Publication number | Publication date |
---|---|
DE3825488C2 (enrdf_load_stackoverflow) | 1991-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8380 | Miscellaneous part iii |
Free format text: SPALTE 7, ZEILE 14 "0,035" AENDERN IN "0,05" SPALTE 7, ZEILE 30 "C" STREICHEN SPALTE 8, ZEILE 6 NACH DEM WORT "DEREN" "DER" EINFUEGEN |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |