EP3215294A1 - Verfahren und vorrichtung zur herstellung von kanülen - Google Patents

Verfahren und vorrichtung zur herstellung von kanülen

Info

Publication number
EP3215294A1
EP3215294A1 EP15801342.5A EP15801342A EP3215294A1 EP 3215294 A1 EP3215294 A1 EP 3215294A1 EP 15801342 A EP15801342 A EP 15801342A EP 3215294 A1 EP3215294 A1 EP 3215294A1
Authority
EP
European Patent Office
Prior art keywords
electrolyte
cannula
penetrating
ecm
grinding
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.)
Withdrawn
Application number
EP15801342.5A
Other languages
German (de)
English (en)
French (fr)
Inventor
Philipp Bauer
Sascha KUNER
Werner Saule
Frank Schienle
Martin Weber
Robert ZSCHALER
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.)
Rena GmbH
Original Assignee
Rena GmbH
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 Rena GmbH filed Critical Rena GmbH
Publication of EP3215294A1 publication Critical patent/EP3215294A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3286—Needle tip design, e.g. for improved penetration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/08—Sharpening
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00526—Methods of manufacturing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B2017/3454—Details of tips
    • A61B2017/3456—Details of tips blunt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Thermal Sciences (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Anesthesiology (AREA)
  • Vascular Medicine (AREA)
  • Hematology (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
EP15801342.5A 2014-11-07 2015-11-05 Verfahren und vorrichtung zur herstellung von kanülen Withdrawn EP3215294A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014116287.0A DE102014116287A1 (de) 2014-11-07 2014-11-07 Verfahren und Vorrichtung zur Herstellung von Kanülen
PCT/EP2015/075804 WO2016071441A1 (de) 2014-11-07 2015-11-05 Verfahren und vorrichtung zur herstellung von kanülen

Publications (1)

Publication Number Publication Date
EP3215294A1 true EP3215294A1 (de) 2017-09-13

Family

ID=54705558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15801342.5A Withdrawn EP3215294A1 (de) 2014-11-07 2015-11-05 Verfahren und vorrichtung zur herstellung von kanülen

Country Status (8)

Country Link
US (1) US20180317959A1 (zh)
EP (1) EP3215294A1 (zh)
JP (1) JP2017537798A (zh)
KR (1) KR20170117017A (zh)
CN (1) CN107073616A (zh)
DE (1) DE102014116287A1 (zh)
TW (1) TWI677391B (zh)
WO (1) WO2016071441A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106075648A (zh) * 2016-08-29 2016-11-09 江苏艾拓生物技术有限公司 一种限制流量的输液针头
US11491565B2 (en) * 2019-12-23 2022-11-08 Metal Industries Research & Development Centre Probe forming device
TWI732612B (zh) * 2020-06-30 2021-07-01 財團法人金屬工業研究發展中心 探針加工方法
KR102321265B1 (ko) * 2021-04-30 2021-11-03 주식회사 두원필터 식모기 바늘 가공방법

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1551933A (zh) * 1966-11-15 1969-01-03
US3762243A (en) * 1972-03-13 1973-10-02 R Borrkfield Methods of making sharp-edge cutting elements
AU8768175A (en) 1975-01-09 1977-06-23 Nat Medical Products Corp Hypodermic cannulae
DE3230735C2 (de) 1982-08-18 1984-06-07 Sortimat Creuz & Co Gmbh, 7057 Winnenden Verfahren zur Massenfertigung von Kanülen, Kanüle, Vorrichtung zur Durchführung des Verfahrens und Anwendungen
DE3626966A1 (de) * 1986-08-08 1988-02-18 Ulrich Jordan Verfahren zum elektrochemischen bearbeiten von werkstuecken sowie vorrichtung zur durchfuehrung des verfahrens
US5515871A (en) * 1990-09-28 1996-05-14 Sulzer Brothers Ltd. Hollow needle for medical use and a laser method for manufacturing
CN1083756A (zh) * 1993-07-12 1994-03-16 韩九林 注射针自动电解开刃工艺及其导电磨头
US6896143B2 (en) * 2001-07-27 2005-05-24 Sankyo Seiki Mfg. Co., Ltd. Electrolytic machining method, method for manufacturing dynamic pressure bearing devices, and dynamic pressure bearing devices manufactured according to the manufacturing method
JP4025567B2 (ja) * 2002-03-29 2007-12-19 テルモ株式会社 注射針
WO2004064903A1 (en) * 2003-01-21 2004-08-05 Carmel Pharma Ab A needle for penetrating a membrane
DE10327067B4 (de) 2003-06-13 2006-04-13 Endox Feinwerktechnik Gmbh Verfahren und Vorrichtung zur Herstellung eines Anschliffes an Kanülen
JP4443996B2 (ja) * 2004-05-17 2010-03-31 株式会社メディカルサポート 脊椎麻酔注射針
DE102011112021B4 (de) 2011-08-31 2013-10-24 Hans Haindl Stanzarme Kanüle
CN102871670A (zh) * 2012-10-16 2013-01-16 马伟博 医用金属针头

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2016071441A1 *

Also Published As

Publication number Publication date
TW201628747A (zh) 2016-08-16
WO2016071441A1 (de) 2016-05-12
KR20170117017A (ko) 2017-10-20
US20180317959A1 (en) 2018-11-08
JP2017537798A (ja) 2017-12-21
TWI677391B (zh) 2019-11-21
CN107073616A (zh) 2017-08-18
DE102014116287A1 (de) 2016-05-12

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