GB1364591A - Pipette apparatus - Google Patents

Pipette apparatus

Info

Publication number
GB1364591A
GB1364591A GB3982372A GB3982372A GB1364591A GB 1364591 A GB1364591 A GB 1364591A GB 3982372 A GB3982372 A GB 3982372A GB 3982372 A GB3982372 A GB 3982372A GB 1364591 A GB1364591 A GB 1364591A
Authority
GB
United Kingdom
Prior art keywords
sleeve
plunger
tip
shoulder
volume rod
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.)
Expired
Application number
GB3982372A
Other languages
English (en)
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.)
HELLER LAB
Original Assignee
HELLER LAB
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 HELLER LAB filed Critical HELLER LAB
Publication of GB1364591A publication Critical patent/GB1364591A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/021Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • B01L3/0217Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
    • 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
    • A61B5/150022Source of blood for capillary blood or interstitial fluid
    • 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
    • A61B5/150053Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
    • A61B5/150061Means for enhancing collection
    • A61B5/150099Means for enhancing collection by negative pressure, other than vacuum extraction into a syringe by pulling on the piston rod or into pre-evacuated tubes
    • 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
    • A61B5/150213Venting means
    • 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
    • A61B5/150236Pistons, i.e. cylindrical bodies that sit inside the syringe barrel, typically with an air tight seal, and slide in the barrel to create a vacuum or to expel 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
    • A61B5/150244Rods for actuating or driving the piston, i.e. the cylindrical body that sits inside the syringe barrel, typically with an air tight seal, and slides in the barrel to create a vacuum or to expel 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
    • A61B5/150259Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
    • 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
    • A61B5/150343Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; 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
    • A61M5/34Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/344Constructions for connecting the needle, e.g. to syringe nozzle or needle hub using additional parts, e.g. clamping rings or collets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/021Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/021Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • B01L3/0213Accessories for glass pipettes; Gun-type pipettes, e.g. safety devices, pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/021Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • B01L3/0217Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
    • B01L3/0224Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type having mechanical means to set stroke length, e.g. movable stops
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/021Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • B01L3/0217Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
    • B01L3/0231Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type having several coaxial pistons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/0241Drop counters; Drop formers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/0275Interchangeable or disposable dispensing tips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/0275Interchangeable or disposable dispensing tips
    • B01L3/0279Interchangeable or disposable dispensing tips co-operating with positive ejection means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/0282Burettes; Pipettes mounted within a receptacle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L9/00Supporting devices; Holding devices
    • B01L9/06Test-tube stands; Test-tube holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L9/00Supporting devices; Holding devices
    • B01L9/54Supports specially adapted for pipettes and burettes
    • B01L9/543Supports specially adapted for pipettes and burettes for disposable pipette tips, e.g. racks or cassettes
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/69Sulfur trioxide; Sulfuric acid
    • C01B17/90Separation; Purification
    • C01B17/907Removal of arsenic
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31525Dosing
    • A61M5/31531Microsyringes, e.g. having piston bore diameter close or equal to needle shaft diameter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; 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
    • A61M5/34Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/346Constructions for connecting the needle, e.g. to syringe nozzle or needle hub friction fit
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; 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
    • A61M5/34Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/347Constructions for connecting the needle, e.g. to syringe nozzle or needle hub rotatable, e.g. bayonet or screw
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/04Exchange or ejection of cartridges, containers or reservoirs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00Additional constructional details
    • B01L2300/08Geometry, shape and general structure
    • B01L2300/0832Geometry, shape and general structure cylindrical, tube shaped
    • B01L2300/0838Capillaries

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Manufacturing & Machinery (AREA)
  • Anesthesiology (AREA)
  • Vascular Medicine (AREA)
  • Dermatology (AREA)
  • Organic Chemistry (AREA)
  • Pain & Pain Management (AREA)
  • Inorganic Chemistry (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Sampling And Sample Adjustment (AREA)
GB3982372A 1968-08-16 1972-08-25 Pipette apparatus Expired GB1364591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00180814A US3757585A (en) 1968-08-16 1968-08-16 Pipette apparatus

Publications (1)

Publication Number Publication Date
GB1364591A true GB1364591A (en) 1974-08-21

Family

ID=52596257

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3982372A Expired GB1364591A (en) 1968-08-16 1972-08-25 Pipette apparatus
GB1173873A Expired GB1364592A (en) 1968-08-16 1972-08-25 Pipette tip member

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1173873A Expired GB1364592A (en) 1968-08-16 1972-08-25 Pipette tip member

Country Status (5)

Country Link
US (1) US3757585A (enrdf_load_stackoverflow)
JP (1) JPS5734018B2 (enrdf_load_stackoverflow)
DE (1) DE2245413C3 (enrdf_load_stackoverflow)
FR (1) FR2152961B3 (enrdf_load_stackoverflow)
GB (2) GB1364591A (enrdf_load_stackoverflow)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE794749A (fr) * 1972-02-02 1973-07-30 Merck Patent Gmbh Dispositif de titrage
US4435989A (en) 1980-07-03 1984-03-13 Beckman Instruments, Inc. Plunger operated pipet
US4489618A (en) * 1980-07-03 1984-12-25 Meyer Richard C Pipet signalling system
US4347875A (en) * 1980-07-14 1982-09-07 Eastman Kodak Company Self-cleaning nozzle construction for aspirators
US4442722A (en) * 1982-02-23 1984-04-17 Beckman Instruments Inc. Plunger operated pipet
US4567780A (en) * 1984-03-12 1986-02-04 American Hospital Supply Corporation Hand-held pipette with disposable capillary
GB2172218B (en) * 1985-02-15 1988-07-20 Rocket Of London Ltd Pipetter tip for pipetters
FI86812C (fi) * 1991-01-07 1992-10-26 Labsystems Oy Foertraengningspipett
FR2678379B1 (fr) * 1991-06-28 1993-09-03 Guigan Jean Dispositif pour prelever et restituer une quantite predeterminee d'un liquide.
DE59509794D1 (de) * 1994-07-07 2001-12-13 Brand Gmbh & Co Kg Pipettiersystem
US6066297A (en) * 1997-01-03 2000-05-23 Matrix Technologies Corporation Small sample volume displacement pipette tips
JP2004501745A (ja) * 2000-06-26 2004-01-22 ビスタラブ テクノロジーズ インク 自動ピペット識別および先端部取外し
CA2524178A1 (en) * 2003-04-30 2004-11-18 Aurora Discovery, Inc. Method and system for precise dispensation of a liquid
EP1963834B1 (en) * 2005-12-20 2013-10-02 Jeremy Caldwell Tool for extracting electrophoretic sample
US8377034B2 (en) 2009-12-04 2013-02-19 Std Med, Inc. Vascular access port
DE102010031240A1 (de) * 2010-07-12 2012-01-12 Hamilton Bonaduz Ag Pipettierspitze mit hydrophober Oberflächenausbildung
US8524170B2 (en) * 2011-02-22 2013-09-03 Rainin Instrument, Llc Pipette and sealing tip
EP3125985B1 (en) * 2014-04-03 2021-09-22 Versago Vascular Access, Inc. Devices and methods for installation and removal of a needle tip of a needle
WO2016055912A1 (en) * 2014-10-07 2016-04-14 Gunnar Magnusson Dispensing device and method of use for dispensing a defined volume of a liquid
US11154687B2 (en) 2014-12-18 2021-10-26 Versago Vascular Access, Inc. Catheter patency systems and methods
WO2016100945A1 (en) 2014-12-18 2016-06-23 Versago Vascular Access, Inc. Devices, systems and methods for removal and replacement of a catheter for an implanted access port
AU2016294584B2 (en) 2015-07-14 2020-12-03 Versago Vascular Access, Inc. Medical access ports, transfer devices and methods of use thereof
FR3049877B1 (fr) * 2016-04-12 2018-04-13 Gilson Sas Pipette pour le prelevement d'une plage etendue de volumes de liquide
CN109791163B (zh) * 2016-08-22 2022-10-21 环球生物研究株式会社 分注用缸体、使用了分注用缸体的分注装置及分注处理方法
DE102016121810A1 (de) * 2016-11-14 2018-05-17 Ika-Werke Gmbh & Co. Kg Handdosiervorrichtung
US11058815B2 (en) 2017-12-21 2021-07-13 Versago Vascular Access, Inc. Medical access ports, transfer devices and methods of use thereof
CN108970661B (zh) * 2018-07-23 2021-04-27 中冶武汉冶金建筑研究院有限公司 一种手动移液器
CN110975956A (zh) * 2019-12-24 2020-04-10 武汉启程嘉辉科技有限公司 一种防倒吸电子移液器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343539A (en) * 1964-10-22 1967-09-26 Moorhouse Turkey Hatchery Inc Piston type artificial insemination syringe having stroke adjusting means
US3494201A (en) * 1968-08-16 1970-02-10 Oxford Lab Pipetting system
US3498135A (en) * 1968-11-13 1970-03-03 Baxter Laboratories Inc Pipette

Also Published As

Publication number Publication date
DE2245413C3 (de) 1980-01-10
US3757585A (en) 1973-09-11
JPS4876587A (enrdf_load_stackoverflow) 1973-10-15
FR2152961B3 (enrdf_load_stackoverflow) 1975-08-08
DE2245413A1 (de) 1973-03-22
GB1364592A (en) 1974-08-21
FR2152961A1 (enrdf_load_stackoverflow) 1973-04-27
DE2245413B2 (de) 1979-05-10
JPS5734018B2 (enrdf_load_stackoverflow) 1982-07-20

Similar Documents

Publication Publication Date Title
GB1364591A (en) Pipette apparatus
US3827305A (en) Adjustable pipette
GB1487289A (en) Viscometer
ES295745U (es) Una jeringa para mezclar dos componentes
DK0395211T3 (da) Injektionssprøjte til engangsbrug
GB1327212A (en) Hypodermic syringe
IE780500L (en) Hand pipette.
ATE14994T1 (de) Praezisionspipette mit verdraengungswirkung.
GB1300163A (en) Improvements in syringes
US3754687A (en) A multi-positional pipetting dispenser
GB1521555A (en) Pipette which may be calibrated
US3732735A (en) Pipettes
US3935734A (en) Pipettes
US2792834A (en) Operating device for syringe or pipet
US3749284A (en) Syringe
ES480758A1 (es) Un gato tensor.
US2250467A (en) Syringe
GB1528105A (en) Pipette aspirator device
GB1187379A (en) Improvements in Dispensers for Medical Preparations
GB989185A (en) Improvements in or relating to hypodermic syringes
US2091404A (en) Pipette
GB1055910A (en) Improvements in or relating to devices for supplying materials
US3325062A (en) Fluid injection apparatus
GB701232A (en) Improvements relating to hypodermic syringes
SU659182A1 (ru) Устройство дл пипетировани жидкостей

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees