GB496696A - Improvements in syringes for hypodermic injections - Google Patents

Improvements in syringes for hypodermic injections

Info

Publication number
GB496696A
GB496696A GB21825/37A GB2182537A GB496696A GB 496696 A GB496696 A GB 496696A GB 21825/37 A GB21825/37 A GB 21825/37A GB 2182537 A GB2182537 A GB 2182537A GB 496696 A GB496696 A GB 496696A
Authority
GB
United Kingdom
Prior art keywords
casing
needle
conical
grip
threaded
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
GB21825/37A
Inventor
Rene Theodore Daligault
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
Publication of GB496696A publication Critical patent/GB496696A/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

Abstract

496,696. Hypodermic syringes. DALIGAULT, R. T. Aug. 7, 1937, No. 21825. Convention date, Sept. 21, 1936. [Class 81 (ii)] A hypodermic syringe comprises a hollow cylindrical casing 1 of uniform bore, having a member 4 with a removable needle grip 11 threaded to it, which extends within the casing and is held in position by the sleeve 7 threaded externally to the casing at 3. The needle seating of member 4 is concave and has an annular ridge which prevents the flange of the needle from adhering. The surface 5 where the member 4 and the casing make contact is conical or spherical to ensure fluidtightness. A packing joint which comprises either an elastic member 19 and a metal ring 20 or a metallo-elastic packing is locked by the cap 21 having two lugs 22 and 23 and renders the joint fluid-tight and provides an abutment against which the shoulder of the piston engages. The upper end of the pistonrod is conical and has a hole into which a suitable rod may be inserted whilst screwing or unscrewing the grip 15.
GB21825/37A 1936-09-21 1937-08-07 Improvements in syringes for hypodermic injections Expired GB496696A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR198542X 1936-09-21

Publications (1)

Publication Number Publication Date
GB496696A true GB496696A (en) 1938-12-05

Family

ID=8879773

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21825/37A Expired GB496696A (en) 1936-09-21 1937-08-07 Improvements in syringes for hypodermic injections

Country Status (4)

Country Link
BE (1) BE422892A (en)
CH (1) CH198542A (en)
FR (1) FR810692A (en)
GB (1) GB496696A (en)

Cited By (1)

* 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

Cited By (1)

* 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

Also Published As

Publication number Publication date
CH198542A (en) 1938-06-30
FR810692A (en) 1937-03-26
BE422892A (en) 1937-08-31

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