JPS5025084A - - Google Patents

Info

Publication number
JPS5025084A
JPS5025084A JP49020618A JP2061874A JPS5025084A JP S5025084 A JPS5025084 A JP S5025084A JP 49020618 A JP49020618 A JP 49020618A JP 2061874 A JP2061874 A JP 2061874A JP S5025084 A JPS5025084 A JP S5025084A
Authority
JP
Japan
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
Application number
JP49020618A
Other languages
Japanese (ja)
Other versions
JPS5310798B2 (OSRAM
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 filed Critical
Publication of JPS5025084A publication Critical patent/JPS5025084A/ja
Publication of JPS5310798B2 publication Critical patent/JPS5310798B2/ja
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150015Source of blood
    • A61B5/15003Source of blood for venous or arterial blood
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150206Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150221Valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150374Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381Design of piercing elements
    • A61B5/150389Hollow piercing elements, e.g. canulas, needles, for piercing the skin
    • A61B5/150404Specific design of proximal end
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150374Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381Design of piercing elements
    • A61B5/150473Double-ended needles, e.g. used with pre-evacuated sampling tubes
    • A61B5/15048Details of construction of proximal end
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150374Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381Design of piercing elements
    • A61B5/150473Double-ended needles, e.g. used with pre-evacuated sampling tubes
    • A61B5/150488Details of construction of shaft
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150374Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381Design of piercing elements
    • A61B5/150473Double-ended needles, e.g. used with pre-evacuated sampling tubes
    • A61B5/150496Details of construction of hub, i.e. element used to attach the double-ended needle to a piercing device or sampling device
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150732Needle holders, for instance for holding the needle by the hub, used for example with double-ended needle and pre-evacuated tube
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150946Means for varying, regulating, indicating or limiting the speed or time of blood collection
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/153Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
    • A61B5/154Devices using pre-evacuated means
    • A61B5/1545Devices using pre-evacuated means comprising means for indicating vein or arterial entry
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150374Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381Design of piercing elements
    • A61B5/150503Single-ended needles
    • A61B5/150511Details of construction of shaft
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150374Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381Design of piercing elements
    • A61B5/150503Single-ended needles
    • A61B5/150519Details of construction of hub, i.e. element used to attach the single-ended needle to a piercing device or sampling device

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Vascular Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
JP2061874A 1973-02-23 1974-02-22 Expired JPS5310798B2 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00335419A US3848579A (en) 1973-02-23 1973-02-23 Automatic elasto-valvular hypodermic sampling needle

Publications (2)

Publication Number Publication Date
JPS5025084A true JPS5025084A (OSRAM) 1975-03-17
JPS5310798B2 JPS5310798B2 (OSRAM) 1978-04-17

Family

ID=23311697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2061874A Expired JPS5310798B2 (OSRAM) 1973-02-23 1974-02-22

Country Status (2)

Country Link
US (1) US3848579A (OSRAM)
JP (1) JPS5310798B2 (OSRAM)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5397289A (en) * 1977-02-04 1978-08-25 Becton Dickinson Co Method of and device for collecting blood sample
JPS5711661A (en) * 1980-06-18 1982-01-21 Becton Dickinson Co Multi-sample needle assembled body for deciding entering into vein
JP2005287955A (ja) * 2004-04-02 2005-10-20 Sekisui Chem Co Ltd 真空採血管用栓体及び真空採血管
JP2016523590A (ja) * 2013-05-15 2016-08-12 ベクトン・ディキンソン・アンド・カンパニーBecton, Dickinson And Company 血液収集の間に使用するための真空圧力調整器
CN112790765A (zh) * 2019-11-13 2021-05-14 贝克顿·迪金森公司 通过外周静脉内导管抽吸血液的真空管接收器

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3977403A (en) * 1975-02-24 1976-08-31 The Kendall Company Catheter adapter
US4154229A (en) * 1977-08-10 1979-05-15 Becton, Dickinson And Company Blood collection system with venipuncture indicator
US4150089A (en) * 1977-09-06 1979-04-17 Linet Michael S Multi-chamber test tube
US4212308A (en) * 1977-12-27 1980-07-15 Becton, Dickinson And Company Parallel-flow one-way blood sampling device
DE2817102C2 (de) * 1978-04-19 1985-01-24 Dr. Eduard Fresenius, Chemisch-pharmazeutische Industrie KG, 6380 Bad Homburg Anschlußstück für Kunststoffkanülen oder Venenkatheter
US4244378A (en) * 1978-05-30 1981-01-13 The West Company Pressure responsive one-way valve for medical systems
US4307731A (en) * 1978-06-15 1981-12-29 Becton, Dickinson And Company Multiple sampling needle having one-way valve
US4244379A (en) * 1979-08-02 1981-01-13 Quest Medical, Inc. Check valve for blood drawing apparatus
US4295477A (en) * 1979-08-15 1981-10-20 Becton, Dickinson And Company Multiple sampling device having molded valve and hub
US4333479A (en) * 1979-10-01 1982-06-08 Shiplee Iii Lewis D Disposable needle assembly
US4326541A (en) * 1980-03-24 1982-04-27 Arnold M. Heyman Blood sample taking device
US4305406A (en) * 1980-06-13 1981-12-15 Becton, Dickinson And Company Needle assemblies with anti-backflow features
US4481008A (en) * 1981-10-08 1984-11-06 Bioresearch Inc. Apparatus and method for relieving excess negativity in a drainage device
US4421123A (en) * 1981-11-30 1983-12-20 Becton Dickinson And Company Multiple sample needle valve
US4492634A (en) * 1982-09-28 1985-01-08 Emde Medical Research Pre-evacuated blood collection tube with anti-hemolysis baffle system and centrifugation propelled filtration disc and efficient serum-from cells separator
JPS61100421U (OSRAM) * 1984-12-07 1986-06-26
US5154699A (en) * 1988-03-01 1992-10-13 Ryan Medical, Inc. Safety winged needle device for use with fistulas
JPH02139656U (OSRAM) * 1989-01-18 1990-11-21
ES2009709A6 (es) * 1989-01-24 1989-10-01 Villar Pascual Jose Antonio Jeronguilla de seguridad monouso.
US5273546A (en) * 1991-08-01 1993-12-28 Medtronic, Inc. Hemostasis valve
US5125903A (en) * 1991-08-01 1992-06-30 Medtronic, Inc. Hemostasis valve
EP0688570A3 (de) * 1994-06-21 1996-04-03 Wilhelm Gmeiner Insulinspritze
US5743861A (en) * 1996-01-23 1998-04-28 Abbott Laboratories Blood collection device
US8904886B1 (en) 1996-08-22 2014-12-09 A+ Manufacturing LLC Devices for obtaining cylinder samples of natural gas or process gas and methods therefore
US7481125B2 (en) * 1996-08-22 2009-01-27 Mayeaux Donald P Devices for obtaining cylinder samples of natural gas or process gas, and methods therefore
US7874221B1 (en) * 1996-08-22 2011-01-25 A+ Manufacturing, Llc Devices for obtaining cylinder samples of natural gas or process gas, and methods therefore
KR20010049172A (ko) 1997-04-08 2001-06-15 인젝티미드, 인코포레이티드. 혈액 채취 방법 및 장치
US5843046A (en) * 1997-05-29 1998-12-01 Paul J. Motisi Catheter apparatus
IES980225A2 (en) 1998-03-25 1999-10-20 Provost A device for acquiring body samples for analysis
US6627156B1 (en) * 2000-06-22 2003-09-30 Beckman Coulter, Inc. Cap piercing station for closed container sampling system
US6641782B1 (en) * 2000-11-15 2003-11-04 Polaroid Corporation Apparatus for performing diagnostic testing
DE60328856D1 (de) * 2003-05-22 2009-10-01 Agilent Technologies Inc Septum mit Klappe
US7435236B2 (en) 2003-06-27 2008-10-14 Navilyst Medical, Inc. Pressure actuated valve with improved biasing member
US7252652B2 (en) * 2003-08-29 2007-08-07 Boston Scientific Scimed, Inc. Valved catheters including high flow rate catheters
US9314608B2 (en) 2004-01-29 2016-04-19 Angiodynamics, Inc Pressure activated safety valve with high flow slit
GB0419954D0 (en) 2004-09-08 2004-10-13 Advotek Medical Devices Ltd System for directing therapy
ES2381137T3 (es) 2005-12-02 2012-05-23 C.R.Bard, Inc. Válvulas proximales activadas por presión
US8197420B2 (en) 2006-12-18 2012-06-12 Magnolia Medical Technologies, Inc. Systems and methods for parenterally procuring bodily-fluid samples with reduced contamination
US8066717B2 (en) * 2007-03-19 2011-11-29 Restoration Robotics, Inc. Device and method for harvesting and implanting follicular units
CN101896276A (zh) * 2007-11-28 2010-11-24 智能管公司 用于生物标本的收集、刺激、稳定化和分析的装置、系统和方法
US8257321B2 (en) 2008-05-21 2012-09-04 Navilyst Medical, Inc. Pressure activated valve for high flow rate and pressure venous access applications
US8007468B2 (en) 2009-07-13 2011-08-30 Navilyst Medical, Inc. Method to secure an elastic component in a valve
US8864684B2 (en) 2011-10-13 2014-10-21 Magnolia Medical Technologies, Inc. Fluid diversion mechanism for bodily-fluid sampling
US8535241B2 (en) 2011-10-13 2013-09-17 Magnolia Medical Technologies, Inc. Fluid diversion mechanism for bodily-fluid sampling
US9067023B2 (en) 2011-11-21 2015-06-30 University Of Louisville Research Foundation, Inc. Ergonomic syringe and adaptor
US10064574B2 (en) * 2012-01-09 2018-09-04 Becton, Dickinson And Company Use of automatic flow regulators for flow modulation during blood collection
US9060724B2 (en) 2012-05-30 2015-06-23 Magnolia Medical Technologies, Inc. Fluid diversion mechanism for bodily-fluid sampling
US9022950B2 (en) 2012-05-30 2015-05-05 Magnolia Medical Technologies, Inc. Fluid diversion mechanism for bodily-fluid sampling
US9895524B2 (en) 2012-07-13 2018-02-20 Angiodynamics, Inc. Fluid bypass device for valved catheters
WO2014022275A1 (en) 2012-08-01 2014-02-06 Magnolia Medical Technologies, Inc. Fluid diversion mechanism for bodily-fluid sampling
EP3906952A1 (en) 2012-10-11 2021-11-10 Magnolia Medical Technologies, Inc. Systems and methods for delivering a fluid to a patient with reduced contamination
ES2985161T3 (es) 2012-11-30 2024-11-04 Magnolia Medical Technologies Inc Mecanismo de desviación de fluido basado en jeringa para muestreo de fluidos corporales
EP4218575A3 (en) 2012-12-04 2023-09-06 Magnolia Medical Technologies, Inc. Sterile bodily-fluid collection device and methods
US10772548B2 (en) 2012-12-04 2020-09-15 Magnolia Medical Technologies, Inc. Sterile bodily-fluid collection device and methods
SG11201506383VA (en) 2013-03-08 2015-09-29 Limflow Gmbh Methods and systems for providing or maintaining fluid flow through body passages
CN105188534B (zh) 2013-03-12 2018-05-29 木兰医药技术股份有限公司 用于选择性地阻塞针体的管腔的设备和方法
CA3026548C (en) 2013-04-15 2022-01-04 Becton, Dickinson And Company Medical device for collection of a biological sample
MX365006B (es) * 2013-04-15 2019-05-20 Becton Dickinson Co Dispositivo de recogida de fluidos biologicos y sistema de separacion y analisis de fluidos biologicos.
CN109602427B (zh) * 2013-05-15 2022-05-27 贝克顿·迪金森公司 在血液采集期间所使用的真空压力调节器
CA2911449C (en) * 2013-05-15 2019-02-26 Becton, Dickinson And Company Manual flow regulation for blood collection
EP3721854B1 (en) 2014-03-03 2023-04-05 Magnolia Medical Technologies, Inc. Apparatus and methods for disinfection of a specimen container
EP4059426B1 (en) 2015-06-12 2023-12-13 Magnolia Medical Technologies, Inc. Bodily-fluid sampling and transfer device
US10010282B2 (en) 2015-07-24 2018-07-03 Kurin, Inc. Blood sample optimization system and blood contaminant sequestration device and method
CN112401882B (zh) 2015-09-03 2024-08-27 木兰医药技术股份有限公司 用于维护样本容器的无菌性的设备和方法
US20170164882A1 (en) * 2015-12-09 2017-06-15 Uneeka Canty (sscd) device - safety syringe collection device
US11253180B2 (en) 2016-03-16 2022-02-22 Dignity Health Methods and apparatus for reducing contamination in blood draw samples
US10610678B2 (en) 2016-08-11 2020-04-07 Angiodynamics, Inc. Bi-directional, pressure-actuated medical valve with improved fluid flow control and method of using such
US10827964B2 (en) 2017-02-10 2020-11-10 Kurin, Inc. Blood contaminant sequestration device with one-way air valve and air-permeable blood barrier with closure mechanism
EP4299086A3 (en) 2017-04-10 2024-05-08 LimFlow GmbH Devices for treating lower extremity vasculature
CN111132602B (zh) 2017-06-09 2023-04-07 木兰医药技术股份有限公司 流体控制装置
IL273025B2 (en) 2017-09-12 2024-12-01 Magnolia Medical Technologies Inc Fluid control devices and methods of using them
EP3721086A4 (en) 2017-12-07 2021-11-10 Magnolia Medical Technologies, Inc. FLUID REGULATION DEVICES AND THEIR METHODS OF USE
EP4101380B1 (en) * 2018-05-31 2023-12-27 Magnolia Medical Technologies, Inc. Fluid control devices
JP7466531B2 (ja) 2018-10-09 2024-04-12 リムフロウ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング カテーテル位置合わせ装置及び方法
CN113660905B (zh) 2019-02-08 2025-11-18 木兰医药技术股份有限公司 用于收集和分配体液的装置和方法
JP7641228B2 (ja) 2019-03-11 2025-03-06 マグノリア メディカル テクノロジーズ,インコーポレイテッド 流体制御デバイス及びその使用方法
EP3948211A4 (en) 2019-04-01 2022-11-30 Kurin, Inc. DEVICE AND SYSTEM FOR OPTIMIZING BODY FLUID SAMPLES WITHOUT VENTING
JP7654650B2 (ja) 2019-11-01 2025-04-01 リムフロウ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 肢遠位部への血液灌流を増加させるための装置及び方法
CN114431859B (zh) * 2020-11-06 2025-09-05 贝克顿·迪金森公司 血液收集装置、系统和方法
KR102550508B1 (ko) * 2021-06-22 2023-07-11 유원에프에이 주식회사 회전각을 이용한 스크러버의 습식 탱크용 수위 측정장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1607993A (en) * 1925-12-11 1926-11-23 Raymond G F Loewy Container tube
AT129280B (de) * 1931-02-19 1932-07-25 Saechsisches Serumwerk Ag Vorrichtung zur Injektion bzw. Entnahme von Flüssigkeiten.
US2941544A (en) * 1955-09-27 1960-06-21 Renault Fluid control devices and elastic pressure-responsive valves
US2897835A (en) * 1956-02-29 1959-08-04 Imp Brass Mfg Co Vacuum breaker
US3091240A (en) * 1958-12-29 1963-05-28 Robert K Mcconnaughey Hypodermic syringe and ventable closure means
US3089490A (en) * 1960-03-14 1963-05-14 Graham Chemical Corp Disposable cartridge type hypodermic syringes
FR1278387A (fr) * 1961-01-19 1961-12-08 Dispositif pour prélever des liquides, et en particulier pour prises de sang, fonctionnant par l'effet du vide
US3245428A (en) * 1963-11-08 1966-04-12 Berg Mfg & Sales Co Flexible seal for use in a gladhand assembly
US3295547A (en) * 1964-02-10 1967-01-03 Scaramucci Domer Foldable check valve
US3301443A (en) * 1965-02-01 1967-01-31 United States Steel Corp Feeding mechanism and valve used therein
US3557778A (en) * 1968-11-18 1971-01-26 Elbert L Hughes Blood specimen collection assembly
US3659587A (en) * 1970-06-30 1972-05-02 Affiliated Hospital Prod Valved connector arrangement
US3710794A (en) * 1971-06-16 1973-01-16 W Shields Recessed diaphragm with annular grooves for hypodermic syringes

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5397289A (en) * 1977-02-04 1978-08-25 Becton Dickinson Co Method of and device for collecting blood sample
JPS5711661A (en) * 1980-06-18 1982-01-21 Becton Dickinson Co Multi-sample needle assembled body for deciding entering into vein
JP2005287955A (ja) * 2004-04-02 2005-10-20 Sekisui Chem Co Ltd 真空採血管用栓体及び真空採血管
JP2016523590A (ja) * 2013-05-15 2016-08-12 ベクトン・ディキンソン・アンド・カンパニーBecton, Dickinson And Company 血液収集の間に使用するための真空圧力調整器
CN112790765A (zh) * 2019-11-13 2021-05-14 贝克顿·迪金森公司 通过外周静脉内导管抽吸血液的真空管接收器
JP2023503828A (ja) * 2019-11-13 2023-02-01 ベクトン・ディキンソン・アンド・カンパニー 末梢静脈カテーテルを通して血液を採取するための真空管レシーバ

Also Published As

Publication number Publication date
JPS5310798B2 (OSRAM) 1978-04-17
US3848579A (en) 1974-11-19

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