CA480166A - Piston for a syringe or pump - Google Patents

Piston for a syringe or pump

Info

Publication number
CA480166A
CA480166A CA480166A CA480166DA CA480166A CA 480166 A CA480166 A CA 480166A CA 480166 A CA480166 A CA 480166A CA 480166D A CA480166D A CA 480166DA CA 480166 A CA480166 A CA 480166A
Authority
CA
Canada
Prior art keywords
syringe
piston
pump
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
CA480166A
Other languages
French (fr)
Inventor
Simon Freeman William
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
Publication date
Application granted granted Critical
Publication of CA480166A publication Critical patent/CA480166A/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
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31513—Piston constructions to improve sealing or sliding
CA480166A Piston for a syringe or pump Expired CA480166A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA480166T

Publications (1)

Publication Number Publication Date
CA480166A true CA480166A (en) 1952-01-15

Family

ID=35619841

Family Applications (1)

Application Number Title Priority Date Filing Date
CA480166A Expired CA480166A (en) Piston for a syringe or pump

Country Status (1)

Country Link
CA (1) CA480166A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2679246A (en) * 1952-07-22 1954-05-25 Miljam Instr Corp Hypodermic syringe
WO2017031332A1 (en) * 2015-08-19 2017-02-23 Hyprotek, Inc. Friction fit medical caps

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2679246A (en) * 1952-07-22 1954-05-25 Miljam Instr Corp Hypodermic syringe
WO2017031332A1 (en) * 2015-08-19 2017-02-23 Hyprotek, Inc. Friction fit medical caps
US10864361B2 (en) 2015-08-19 2020-12-15 Hyprotek, Inc. Friction fit medical caps

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