GB789027A - Improvements in or relating to plunger syringes especially for medical purposes - Google Patents
Improvements in or relating to plunger syringes especially for medical purposesInfo
- Publication number
- GB789027A GB789027A GB22560/55A GB2256055A GB789027A GB 789027 A GB789027 A GB 789027A GB 22560/55 A GB22560/55 A GB 22560/55A GB 2256055 A GB2256055 A GB 2256055A GB 789027 A GB789027 A GB 789027A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plunger stem
- spring
- cap
- opening
- syringe
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
-
- 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
- A61M5/31501—Means for blocking or restricting the movement of the rod or piston
- A61M2005/3151—Means for blocking or restricting the movement of the rod or piston by friction
-
- 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
- A61M5/31501—Means for blocking or restricting the movement of the rod or piston
- A61M5/31505—Integral with the syringe barrel, i.e. connected to the barrel so as to make up a single complete piece or unit
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
789,027. Surgical syringes. HERTIG, W. Aug. 5, 1955 [April 4, 1955], No. 22560/55. Class 81 (2). A surgical syringe has a cap with an opening for the plunger stem and having a radially-sunk groove surrounding the opening, a spring, which is bent from spring wire and has limbs which engage the plunger stem tangentially, being freely located in the groove to permit lateral play of the plunger stem and the spring at right-angles to the plunger stem. A syringe cap 10 is provided with an opening 11, 12 for the passage of a plunger stem 13. A radially outwardly-sunk groove around the opening 11, 12 contains a spring 16 which bears tangentially against the plunger stem 13 and is dimensioned so that it can move radially with respect to the syringe cap 10 but not in the direction of movement of the plunger stem 13. A slot is provided to enable the cap 10 to be removed from the syringe. In an alternative construction a kidney-shaped spring 16, Fig. 5, is located in a groove 19 sunk radially inwardly in the head of the syringe cap 10, inwardly directed ends of the spring 16 passing through a channel 20 to a radially outwardlysunk groove 15 formed in the plunger opening 11, 12 of the cap 10 so that they bear resiliently against the plunger stem 13.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH789027X | 1955-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB789027A true GB789027A (en) | 1958-01-15 |
Family
ID=4536820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22560/55A Expired GB789027A (en) | 1955-04-04 | 1955-08-05 | Improvements in or relating to plunger syringes especially for medical purposes |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE538443A (en) |
CH (1) | CH329580A (en) |
DE (1) | DE1073691B (en) |
FR (1) | FR1133007A (en) |
GB (1) | GB789027A (en) |
NL (1) | NL84958C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989010151A1 (en) * | 1988-04-18 | 1989-11-02 | Nujenko Pty Ltd | Single-use syringe |
WO1991004065A1 (en) * | 1989-09-18 | 1991-04-04 | Assumpsit No. 102 Pty. Ltd. | Syringe |
US5328484A (en) * | 1992-08-12 | 1994-07-12 | Brice Somers | Non-reusable syringe for medical purposes |
WO2010063687A1 (en) * | 2008-12-04 | 2010-06-10 | Sanofi-Aventis Deutschland Gmbh | Injection device with holding means to prevent unintentional movements of piston rod |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE331326C (en) * | 1921-01-05 | Carl Braun | Head for guiding the plunger rod in injection or similar medical syringes | |
US2489040A (en) * | 1946-02-14 | 1949-11-22 | Becton Dickinson Co | Holder |
US2632445A (en) * | 1951-10-20 | 1953-03-24 | Sr John L Kas | Dosing hypodermic syringe |
DE1681693U (en) * | 1954-02-27 | 1954-08-19 | W Rottleb | SPECIAL SYRINGE FOR HEART CATHETERIZATION WITH REFLECTIVE DEVICE. |
-
0
- BE BE538443D patent/BE538443A/xx unknown
- NL NL84958D patent/NL84958C/xx active
- DE DENDAT1073691D patent/DE1073691B/en active Pending
-
1955
- 1955-04-04 CH CH329580D patent/CH329580A/en unknown
- 1955-06-27 FR FR1133007D patent/FR1133007A/en not_active Expired
- 1955-08-05 GB GB22560/55A patent/GB789027A/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989010151A1 (en) * | 1988-04-18 | 1989-11-02 | Nujenko Pty Ltd | Single-use syringe |
WO1991004065A1 (en) * | 1989-09-18 | 1991-04-04 | Assumpsit No. 102 Pty. Ltd. | Syringe |
US5328484A (en) * | 1992-08-12 | 1994-07-12 | Brice Somers | Non-reusable syringe for medical purposes |
WO2010063687A1 (en) * | 2008-12-04 | 2010-06-10 | Sanofi-Aventis Deutschland Gmbh | Injection device with holding means to prevent unintentional movements of piston rod |
RU2526438C2 (en) * | 2008-12-04 | 2014-08-20 | Санофи-Авентис Дойчланд Гмбх | Injection device with retainer for preventing unintentional movement of piston rod |
CN102238974B (en) * | 2008-12-04 | 2014-09-03 | 赛诺菲-安万特德国有限公司 | Injection device with holding means to prevent unintentional movements of piston rod |
US8915881B2 (en) | 2008-12-04 | 2014-12-23 | Sanofi-Aventis Deutschland Gmbh | Injection device with holding means to prevent unintentional movements of piston rod |
US9415170B2 (en) | 2008-12-04 | 2016-08-16 | Sanofi-Aventis Deutschland Gmbh | Injection device with holding means to prevent unintentional movements of piston rod |
Also Published As
Publication number | Publication date |
---|---|
FR1133007A (en) | 1957-03-20 |
CH329580A (en) | 1958-04-30 |
DE1073691B (en) | 1960-01-21 |
NL84958C (en) | |
BE538443A (en) |
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