KR900002069A - Sample injector - Google Patents

Sample injector Download PDF

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Publication number
KR900002069A
KR900002069A KR1019890010119A KR890010119A KR900002069A KR 900002069 A KR900002069 A KR 900002069A KR 1019890010119 A KR1019890010119 A KR 1019890010119A KR 890010119 A KR890010119 A KR 890010119A KR 900002069 A KR900002069 A KR 900002069A
Authority
KR
South Korea
Prior art keywords
piston
injector
nozzle
plunger
spring
Prior art date
Application number
KR1019890010119A
Other languages
Korean (ko)
Other versions
KR0140888B1 (en
Inventor
엠.리노 페리
제이.에반스 레이
Original Assignee
더 퍼킨 엘머 코포레이션
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 더 퍼킨 엘머 코포레이션 filed Critical 더 퍼킨 엘머 코포레이션
Publication of KR900002069A publication Critical patent/KR900002069A/en
Application granted granted Critical
Publication of KR0140888B1 publication Critical patent/KR0140888B1/en

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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
    • 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
    • B01L3/021Pipettes, 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
    • 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
    • B01L3/022Capillary pipettes, i.e. having very small bore
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00Particle spectrometers or separator tubes

Landscapes

  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Devices For Use In Laboratory Experiments (AREA)

Abstract

내용 없음No content

Description

샘플 인젝터Sample injector

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1도는 내측 피펫과 샘플 팁의 단면도.1 is a cross-sectional view of the inner pipette and sample tip.

제 2도는 인젝터상의 샘플 팁을 도시하는 평면도.2 is a plan view showing a sample tip on an injector.

제 3도 및 제 4도는 액체의 샘플 팁내로의 도입 및 샘플의 스펙트로메터(spectrometer)내로 도입되는 방법의 설명도.3 and 4 are explanatory diagrams of the introduction of a liquid into a sample tip and a method of introduction into a spectrometer of a sample.

Claims (11)

길이 방향의 축상 보어(bore)를 지닌 관상 부재, 상기 관상 부재상에 협소한 공동지점(hollow point)을 지닌 공동의 노즐(hollow noggle), 상기 축상 보어내에 미끄럼 방식으로 수용된 플런저, 상기 플런저의 한 단부와 상기 노즐내에 있는 피스톤, 상기 플런저상 및 상기 노즐내에 있는 폐쇄수단, 랫취 메카니즘(latching mechanism) 및, 흡입 방지 수단을 포함하고, 상기 폐쇄 수단 및 피스톤은 제 1의 위치를 향해 스프링 편향되고, 상기 노즐은 상기 피스톤이 그 안에서 움칙이는 피스톤 챔버를 형성함으로써 제 2의 위치로부터 상기 제 1의 위치로까지의 상기 피스톤 운동이 상기 노즐로부터 방출될 개스 압력을 발생시키며, 상기 랫취 메카니즘은 상기 피스톤을 상기 제 2의 위치에서 상기 스프링의 편향에 반해 상기 피스톤을 콕크시키고 상기 피스톤을 풀도록(release)하기 위한 것이며, 이렇게 함으로써 스프링의 편향은 피스톤을 상기 제 1의 위치로까지 움직이고, 상기 흡입 방지수단은 상기 피스톤이 상기 제 2의 위치로 움직일 때 상기 피스톤 챔버내의 개스를 평형시키는 인젝터.A tubular member having a longitudinal axial bore, a hollow noggle having a narrow hollow point on the tubular member, a plunger received in a sliding manner within the axial bore, one of the plungers A piston in the end and the nozzle, closing means on the plunger and in the nozzle, a latching mechanism, and suction prevention means, the closing means and the piston being spring biased toward a first position, The nozzle generates a gas pressure at which the piston movement from the second position to the first position is to be released from the nozzle by forming a piston chamber in which the piston squeezes therein, and the latching mechanism causes the piston to To cock the piston against the deflection of the spring in the second position and to release the piston. Provided for, this way the deflection of the spring is moved to a position of the first piston, the suction prevention means is a gas injector for equilibrium within the piston chamber when the piston moves to the position of the second. 제 1항에 있어서, 상기 폐쇄수단이 디스크 수단을 포함하는 인젝터.The injector of claim 1, wherein the closure means comprises a disk means. 제 2항에 있어서, 상기 디스크 수단이 상기 피스톤을 상기 스프링 편향에 응답하여 상기 제 2의 위치로까지 움직이게 하는 인젝터.3. The injector of claim 2, wherein the disk means moves the piston to the second position in response to the spring deflection. 제 3항에 있어서, 상기 피스톤이 상기 제 1의 위치로부터 상기 제 2의 위치로 움직일때 상기 피스톤 챔버의 한 부분으로부터 다른 곳으로 개스의 자유로운 유통을 위하여 상기 흡입 방지 수단이 상기 피스톤 개방하에서 상기 피스톤 챔버내로의 통로를 포함하는 인젝터.4. The piston according to claim 3, wherein said suction preventing means is adapted to release said piston under said piston opening for free flow of gas from one portion of said piston chamber to another when said piston is moved from said first position to said second position. An injector comprising a passage into the chamber. 제 4항에 있어서, 상기 피스톤이 상기 제 1의 위치로 움직이고 있을 때 상기 폐쇄수단은 상기 통로를 폐쇄시키고, 상기 피스톤이 상기 제 2의 상 위치로 움직이고 있을 때 상기 폐쇄수단이 상기 통로를 폐쇄시키는 인젝터.5. The method of claim 4, wherein said closing means closes said passageway when said piston is moving to said first position and said closing means closes said passageway when said piston is moving to said second upper position. Injector. 제 5항에 있어서, 상기 폐쇄수단이 상기 디스크 수단을 상기 플런저에 연결시키는 수단 및 상기 피스톤을 상기 폐쇄수단에 연결시키는 수단을 지님으로써 상기 디스크 수단과 상기 피스톤 수단 사이의 상대적인 운동이 있는 인젝터.6. The injector of claim 5 wherein said closing means has means for connecting said disk means to said plunger and means for connecting said piston to said closing means such that there is a relative movement between said disk means and said piston means. 제 6항에 있어서, 상기 플런저 상에서 스프링의 편향에 반해 상기 플런저를 이끌기 위하여 핸들을 포함하는 인젝터.7. The injector of claim 6 comprising a handle to guide the plunger against deflection of a spring on the plunger. 제 7항에 있어서, 상기 제 1의 위치를 결정하기 위한 수단을 포함하는 인젝터.8. The injector of claim 7, comprising means for determining the first position. 제 8항에 있어서, 상기의 최후로 언급된 수단이 상기 핸들의 일부를 형성하는 인젝터.The injector of claim 8, wherein said last mentioned means forms part of said handle. 제 9항에 있어서, 샘플 팁은 상기 노즐 상에서 삽입가능한 피펫을 포함함으로써 상기 지점으로부터 방출되는 개스 압력이 상기 피펫내의 액체 샘플을 분출시키게 되는, 상기의 샘플 팁을 포함하는 인젝터.10. The injector of claim 9, wherein the sample tip comprises a pipette insertable on the nozzle such that the gas pressure released from the point causes the liquid sample in the pipette to eject. 제 10항에 있어서, 상기 샘플이 상기 인젝터상에 있는 동안 상기 피스톤이 상기 제 1의 위치로까지 움직인다면 상기 흡입 방지 수단의 기능이 상기 피펫내의 어떤한 액체 샘플도 교반하지 않는 인젝터.The injector of claim 10, wherein the function of the suction prevention means does not stir any liquid sample in the pipette if the piston is moved to the first position while the sample is on the injector. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890010119A 1988-07-18 1989-07-18 Sample injector KR0140888B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22071888A 1988-07-18 1988-07-18
US220,718 1988-07-18

Publications (2)

Publication Number Publication Date
KR900002069A true KR900002069A (en) 1990-02-28
KR0140888B1 KR0140888B1 (en) 1998-06-01

Family

ID=22824661

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890010119A KR0140888B1 (en) 1988-07-18 1989-07-18 Sample injector

Country Status (5)

Country Link
EP (1) EP0351761B1 (en)
JP (1) JP2960438B2 (en)
KR (1) KR0140888B1 (en)
CA (1) CA1336970C (en)
DE (1) DE68908979T2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100753716B1 (en) * 2005-11-14 2007-08-30 가부시키가이샤 아이디에스 Nozzle device for aliquoting and dispensing specimen incorporated reference

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04329341A (en) * 1991-04-30 1992-11-18 Shimadzu Corp Sample introduction device for frame atomic absorption device
JP2550805B2 (en) * 1991-06-30 1996-11-06 株式会社島津製作所 Chromatograph absorption analyzer
FR2708341B1 (en) * 1993-07-28 1995-09-08 Bio Merieux Method for dosing, in particular micro-dosing of a liquid; application to obtaining controlled dilutions, in particular nanovolumetric dilutions.
JP2002272462A (en) * 2001-03-19 2002-09-24 Shimadzu Corp Column and method for nucleic acid sample purification
WO2020110173A1 (en) * 2018-11-26 2020-06-04 ムロオカ産業株式会社 Dispenser
CN113671108B (en) * 2021-08-03 2023-11-28 苏州鼎实医疗科技有限公司 Air pressure balance structure and quantitative sampling filling device with same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334788A (en) * 1963-08-13 1967-08-08 Clark H Hamilton Syringe for chromatographic analyses
FI59343C (en) * 1979-01-23 1981-08-10 Suovaniemi Finnpipette FLERDOSPIPETT
EP0082263A1 (en) * 1981-12-10 1983-06-29 The Perkin-Elmer Corporation Sample introduction for chemical analysis by spectrometry/liquid chromatography
DE3614085A1 (en) * 1985-12-12 1987-06-19 Hirschmann Glasgeraete PIPETTE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100753716B1 (en) * 2005-11-14 2007-08-30 가부시키가이샤 아이디에스 Nozzle device for aliquoting and dispensing specimen incorporated reference

Also Published As

Publication number Publication date
DE68908979D1 (en) 1993-10-14
EP0351761A2 (en) 1990-01-24
JP2960438B2 (en) 1999-10-06
DE68908979T2 (en) 1994-01-05
EP0351761A3 (en) 1991-02-13
KR0140888B1 (en) 1998-06-01
JPH02257033A (en) 1990-10-17
EP0351761B1 (en) 1993-09-08
CA1336970C (en) 1995-09-12

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