GB191307615A - Improvements in Hypodermic Syringes. - Google Patents

Improvements in Hypodermic Syringes.

Info

Publication number
GB191307615A
GB191307615A GB191307615DA GB191307615A GB 191307615 A GB191307615 A GB 191307615A GB 191307615D A GB191307615D A GB 191307615DA GB 191307615 A GB191307615 A GB 191307615A
Authority
GB
United Kingdom
Prior art keywords
drug
chamber
fluid
stopper
mix
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
Inventor
Gibbard Richard Hughes
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191307615A publication Critical patent/GB191307615A/en
Expired 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
    • A61M5/31596—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing

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)

Abstract

7615. Hughes, G. R. March 31. Syringes. - In making an hypodermic glass syringe, the neck is given a globular or elliptical shape before being ground to receive the needle socket. In order to mix a drug or powder with the fluid contents of the syringe, a chamber of glass &c. is provided at one end to contain the drug, and this chamber is fractured, unstoppered, &c. when the drug is to be mixed with the fluid. In one form the drug is enclosed in a chamber F by means of a stopper H in a perforation in the piston G. The piston-rod is passed through the passage J and engages an indentation f in the flanged end of the chamber F so as to push out the stopper H and allow the drug to mix with the fluid.
GB191307615D 1913-03-31 1913-03-31 Improvements in Hypodermic Syringes. Expired GB191307615A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191307615T 1913-03-31

Publications (1)

Publication Number Publication Date
GB191307615A true GB191307615A (en) 1914-01-15

Family

ID=32370042

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191307615D Expired GB191307615A (en) 1913-03-31 1913-03-31 Improvements in Hypodermic Syringes.

Country Status (1)

Country Link
GB (1) GB191307615A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5308330A (en) * 1992-09-16 1994-05-03 Becton, Dickinson And Company Syringe having needle isolation features

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5308330A (en) * 1992-09-16 1994-05-03 Becton, Dickinson And Company Syringe having needle isolation features

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