FR2025843A1 - Syringe piston wead having thermoplastic - sheath - Google Patents

Syringe piston wead having thermoplastic - sheath

Info

Publication number
FR2025843A1
FR2025843A1 FR6939696A FR6939696A FR2025843A1 FR 2025843 A1 FR2025843 A1 FR 2025843A1 FR 6939696 A FR6939696 A FR 6939696A FR 6939696 A FR6939696 A FR 6939696A FR 2025843 A1 FR2025843 A1 FR 2025843A1
Authority
FR
France
Prior art keywords
sheath
thermoplastic
wead
piston head
syringe piston
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Withdrawn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
FR6939696A
Other languages
French (fr)
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.)
Becton Dickinson and Co
Original Assignee
Becton Dickinson and Co
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 Becton Dickinson and Co filed Critical Becton Dickinson and Co
Publication of FR2025843A1 publication Critical patent/FR2025843A1/en
Withdrawn legal-status Critical Current

Links

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
    • 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
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31513—Piston constructions to improve sealing or sliding

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The syringe piston head is surrounded by a cylindrical, thermoplastics sheath which is secured to the piston head by friction. The inner diameter of the sheath is smaller than the outer diameter of the piston head. The piston head has a corrugated surface. The thermoplastic material may be a fluor-hydrocarbon resin e.g polytetrafluorethylene.
FR6939696A 1968-12-11 1969-11-18 Syringe piston wead having thermoplastic - sheath Withdrawn FR2025843A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78304268A 1968-12-11 1968-12-11

Publications (1)

Publication Number Publication Date
FR2025843A1 true FR2025843A1 (en) 1970-09-11

Family

ID=25127999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6939696A Withdrawn FR2025843A1 (en) 1968-12-11 1969-11-18 Syringe piston wead having thermoplastic - sheath

Country Status (2)

Country Link
DE (1) DE1958164A1 (en)
FR (1) FR2025843A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2348708A1 (en) * 1976-04-23 1977-11-18 Becton Dickinson France SYRINGE BULB AND METHOD OF USE
FR2350108A1 (en) * 1974-09-03 1977-12-02 Vogelman Joseph SYRINGES AND SYRINGE CARTRIDGES

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3309708A1 (en) * 1983-03-18 1984-09-20 Robert Bosch Gmbh, 7000 Stuttgart Electrical generator having a speed-limited fan coupling for a motor vehicle.
JPH0534669Y2 (en) * 1988-03-16 1993-09-02
DE4017572A1 (en) * 1990-05-31 1991-12-05 Baumueller Nuernberg Gmbh ELECTRICAL MACHINE WITH FIXED LOS BEARING
DE4029360C2 (en) * 1990-09-15 1994-10-06 Piller Gmbh Co Kg Anton Bearing unit for a roller bearing shaft of an electrical machine
US5607400A (en) * 1995-05-19 1997-03-04 Becton, Dickinson And Company Pre-fillable syringe and stopper assembly therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2350108A1 (en) * 1974-09-03 1977-12-02 Vogelman Joseph SYRINGES AND SYRINGE CARTRIDGES
FR2348708A1 (en) * 1976-04-23 1977-11-18 Becton Dickinson France SYRINGE BULB AND METHOD OF USE

Also Published As

Publication number Publication date
DE1958164A1 (en) 1970-07-02

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Legal Events

Date Code Title Description
ST Notification of lapse