GB354767A - Improvements in or relating to hypodermic syringes and needles therefor - Google Patents
Improvements in or relating to hypodermic syringes and needles thereforInfo
- Publication number
- GB354767A GB354767A GB1473930A GB1473930A GB354767A GB 354767 A GB354767 A GB 354767A GB 1473930 A GB1473930 A GB 1473930A GB 1473930 A GB1473930 A GB 1473930A GB 354767 A GB354767 A GB 354767A
- Authority
- GB
- United Kingdom
- Prior art keywords
- needle
- mount
- plunger
- die
- bore
- 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
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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0009—Making of catheters or other medical or surgical tubes
- A61M25/0014—Connecting a tube to a hub
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G1/00—Making needles used for performing operations
- B21G1/08—Making needles used for performing operations of hollow needles or needles with hollow end, e.g. hypodermic needles, larding-needles
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Mechanical Engineering (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
354,767. Hypodermic needles. EVERETT, S. J., 939, London Road, Thornton Heath, Surrey. May 13, 1930, Nos. 14739 and 32908. [Class 81 (ii).] The attachment of a hypodermic needle to a mount is effected by resiliently supporting the needle d in the bore c of a perforated die a, and uniting therewith a perforated blank h, preferablv of soft metal such as pewter by the pressing operation of a plunger j, the blank being supported by the die and conforming to the shape of the cavity. The needle is held at its lower end by a blade spring e and descends to its correct position on engagement by the plunger, thus rendering initial positioning of the needle in the die unnecessary. The plunger is preferably of taper form, so that the interior of the mount may be readily fitted on to a syringe with a liquid-tight joint, and the conical centre of the mount facilitates the introduction of a wire into the needle for cleaning purposes, The top end of the needle is roughened or screw-threaded, and the interior wall of the cavity b may be grooved to produce a knurled surface on the moulded mount. In the modification shown in Fig. 4, the mount is formed to the desired cup-shape from sheet metal such as copper or brass before :it is united to the needle, and on depression of the plunger, the conical end m<2> of the mount enters the flared mouth n of the bore and a part is forced into the narrow bore c<1>.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1473930A GB354767A (en) | 1930-05-13 | 1930-05-13 | Improvements in or relating to hypodermic syringes and needles therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1473930A GB354767A (en) | 1930-05-13 | 1930-05-13 | Improvements in or relating to hypodermic syringes and needles therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB354767A true GB354767A (en) | 1931-08-13 |
Family
ID=10046616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1473930A Expired GB354767A (en) | 1930-05-13 | 1930-05-13 | Improvements in or relating to hypodermic syringes and needles therefor |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB354767A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2591062A (en) * | 1948-03-03 | 1952-04-01 | Ibm | Extrusion device and process |
| WO1982001822A1 (en) * | 1980-12-05 | 1982-06-10 | Holzwarth Friedrich | Method for fixing a cannula to a sleeve |
| EP3045194A4 (en) * | 2013-09-11 | 2017-11-15 | Terumo Kabushiki Kaisha | Medical hollow needle assembly and method for manufacturing hollow needle |
-
1930
- 1930-05-13 GB GB1473930A patent/GB354767A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2591062A (en) * | 1948-03-03 | 1952-04-01 | Ibm | Extrusion device and process |
| WO1982001822A1 (en) * | 1980-12-05 | 1982-06-10 | Holzwarth Friedrich | Method for fixing a cannula to a sleeve |
| EP3045194A4 (en) * | 2013-09-11 | 2017-11-15 | Terumo Kabushiki Kaisha | Medical hollow needle assembly and method for manufacturing hollow needle |
| US10434265B2 (en) | 2013-09-11 | 2019-10-08 | Terumo Kabushiki Kaisha | Medical hollow needle assembly and method of manufacturing hollow needle |
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