CN104857599A - Safe operation device for injector - Google Patents
Safe operation device for injector Download PDFInfo
- Publication number
- CN104857599A CN104857599A CN201510190250.0A CN201510190250A CN104857599A CN 104857599 A CN104857599 A CN 104857599A CN 201510190250 A CN201510190250 A CN 201510190250A CN 104857599 A CN104857599 A CN 104857599A
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- China
- Prior art keywords
- baffle
- round end
- gear plate
- syringe
- plate
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Abstract
The invention discloses a safe operation device for an injector. The safe operation device comprises the injector, an injector protecting sleeve, a spring, outer hexagon nuts, a first baffle, a second baffle, guide pins, a third baffle, a fourth baffle and a fifth baffle, wherein the guide pins are sequentially connected with the first baffle, the second baffle, the third baffle, the fourth baffle and the fifth baffle; the first baffle and the second baffle are in rigid connection; the third baffle, the fourth baffle and the fifth baffle are sequentially fixed in the axial direction of the guide pins; the spring sequentially penetrates through hole channels in the second baffle, the third baffle and the fourth baffle; one end of the spring is pressed on the second baffle; the other end of the spring is pressed on the fifth baffle; one ends of the guide pins are in threaded connection with the fifth baffle; the other ends of the guide pins are in threaded connection with the outer hexagon nuts; the first baffle is pressed on the outer hexagon nuts under the action of the spring; the guide pins are fixed below the second baffle. The safe operation device is simple to operate and safe to use and is a device integrating the functions of taking off and putting on the injector protecting sleeve.
Description
Technical field
The present invention relates to a kind of injector operations device, especially relate to a kind of syringe safe operating means.
Background technology
Syringe is a kind of visual plant of drug administration by injection method, when carrying out drug administration by injection, requires that injection environment is clean and tidy, clean.During operation asepsis injector, require to keep the nipple of the needle point of syringe needle, pin stalk, pintle inwall and syringe aseptic.But because the sheath of syringe is together with the usual interference fit of needle portion, there is larger frictional force in sheath and syringe needle connecting portion, make nursing staff when carrying out syringe sheath and winning, need consume larger strength could take sheath.Now, under larger pulling force effect, the sheath of syringe and needle portion may depart from suddenly, and nursing procedure personnel very easily stab oneself in situation timely not reacting, and easily cause occupational exposure.
Summary of the invention
The object of the present invention is to provide a kind of syringe safe operating means, it is simple to operate, use safety, is the equipment that cover was won and returned to a kind of integrated syringe sheath.
The technical solution used in the present invention is:
A kind of syringe safe operating means of the present invention, comprises syringe, syringe sheath, spring, outer-hexagonal nut, first baffle plate, second baffle, guide finger, third gear plate, fourth gear plate, fifth gear plate, spacer pin, guide finger connects the first baffle plate successively, second baffle, third gear plate, fourth gear plate, fifth gear plate, the first baffle plate and second baffle are rigidly connected, and can slide along guide finger axial direction, third gear plate, fourth gear plate and fifth gear plate are axially fixed successively along guide finger, and spring is successively through second baffle, duct on third gear plate and fourth gear plate, spring one end is pressed on second baffle, the other end is pressed on fifth gear plate, guide finger one end is threaded with fifth gear plate, the other end is connected with outer-hexagonal nut thread, first baffle plate is pressed on outer-hexagonal nut under the action of the spring, described spacer pin is fixed on the below of second baffle, described first baffle plate has two round end grooves that two terminal circle area of bed is identical, second baffle has the not identical two round end grooves of two terminal circle area of bed, third gear plate has round end size not identical pair of round end groove, and fourth gear plate has round end measure-alike pair of round end groove, and fifth gear plate has round end measure-alike pair of round end groove, wherein, the shoulder diameter of syringe needle cephalic par is greater than the groove width of the two round end groove of second baffle, is less than the diameter in the two round end groove round end hole one of second baffle, the shoulder diameter of syringe sheath is greater than the groove width of two round end grooves of third gear plate, fourth gear plate, is less than the diameter in the two round end groove round end hole one of third gear plate.
Wherein, the distance of described third gear plate two planes relative to fourth gear plate is 2mm.
Wherein, described spacer pin interts in spring.
Wherein, the groove width of two round end grooves of described first baffle plate equals the diameter in the two round end groove round end hole one of second baffle, the two round end groove round end hole one of third gear plate.
Wherein, described third gear plate side have two cylindrical shape end faces and fourth gear plate rigidly connected.
Wherein, the two round end groove round end hole one of described second baffle and third gear plate two round end groove round end holes one concentric alignment.
The beneficial effect that the present invention has is:
This syringe safe operating means is when carrying out syringe sheath and winning, the needle portion of syringe is inserted baffle plate macropore place, first baffle plate and second baffle will move to fifth gear plate direction under the thrust of syringe, when the spacer pin top on second baffle is to fifth gear plate, first baffle plate and second baffle move to target location, now, second baffle and third gear plate are shifted onto between syringe sheath ends shoulder and needle shoulder.Afterwards, by syringe by the large nose end slippage of baffle plate round end groove to small bore end, the thrust of the different directions utilizing spring that second baffle and third gear plate are produced, syringe needle and sheath is made to bear rightabout active force, sheath is from detach procedure on syringe needle, there is active force in the spring compressed, second baffle prevents syringe needle from coming off winning the nipple from syringe in sheath process under spring pressure effect in the process of syringe rollback always.
When returning cover syringe sheath, only syringe need be torn open into baffle plate aperture, first baffle plate and second baffle will move to fifth gear plate direction under the thrust of syringe, when continuing to move to fifth gear plate direction in syringe needle insertion sheath, the fourth gear board that position is fixed lives the opening shoulder of sheath, makes syringe needle insert sheath tightly.Now, syringe is moved on to large nose end from the small bore end of baffle plate round end groove and directly extract the rollback just completing sheath.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is that schematic diagram won by sheath of the present invention.
Fig. 3 is that sheath of the present invention returns cover schematic diagram.
Fig. 4 is that first gear of the present invention hardens composition.
Fig. 5 is second baffle structure chart of the present invention.
Fig. 6 is that third gear of the present invention hardens composition.
Fig. 7 is that fourth gear of the present invention hardens composition.
Fig. 8 is that fifth gear of the present invention hardens composition.
In figure: 1, syringe, 2, spring, 3, outer-hexagonal nut, 4, first baffle plate, 5, second baffle, 6, spacer pin, 7, third gear plate, 8, fourth gear plate, 9, fifth gear plate, 10, the two round end groove of first baffle plate, 11, the two round end groove of second baffle, 12, the two round end groove of third gear plate, 13, the two round end groove of fourth gear plate, 14, the two round end groove of fifth gear plate, 15, the two round end groove round end hole one of second baffle, 16, the two round end groove round end hole two of second baffle, 17, the two round end groove gathering sill of second baffle, 18, the two round end groove round end hole one of third gear plate, 19, the two round end groove round end hole two of third gear plate, 20, the two round end groove gathering sill of third gear plate, 21, the shoulder of syringe needle cephalic par, 22, the shoulder of syringe sheath.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further.
As shown in figures 1-8, a kind of syringe safe operating means of the present invention, comprises syringe, syringe sheath, spring, outer-hexagonal nut, first baffle plate, second baffle, guide finger, third gear plate, fourth gear plate, fifth gear plate, spacer pin, guide finger connects the first baffle plate successively, second baffle, third gear plate, fourth gear plate, fifth gear plate, the first baffle plate and second baffle are rigidly connected, and can slide along guide finger axial direction, third gear plate, fourth gear plate and fifth gear plate are axially fixed successively along guide finger, and spring is successively through second baffle, duct on third gear plate and fourth gear plate, spring one end is pressed on second baffle, the other end is pressed on fifth gear plate, guide finger one end is threaded with fifth gear plate, the other end is connected with outer-hexagonal nut thread, first baffle plate is pressed on outer-hexagonal nut under the action of the spring, described spacer pin is fixed on the below of second baffle, described first baffle plate has two round end grooves that two terminal circle area of bed is identical, second baffle has the not identical two round end grooves of two terminal circle area of bed, third gear plate has round end size not identical pair of round end groove, and fourth gear plate has round end measure-alike pair of round end groove, and fifth gear plate has round end measure-alike pair of round end groove, wherein, the shoulder diameter of syringe needle cephalic par is greater than the groove width of the two round end groove of second baffle, is less than the diameter in the two round end groove round end hole one of second baffle, the shoulder diameter of syringe sheath is greater than the groove width of two round end grooves of third gear plate, fourth gear plate, is less than the diameter in the two round end groove round end hole one of third gear plate.
The two round end groove of described second baffle comprises the two round end groove round end hole one of second baffle, the two round end groove round end hole two of second baffle, the two round end groove gathering sill of second baffle; The two round end groove of described third gear plate comprises the two round end groove round end hole one of third gear plate, the two round end groove round end hole two of third gear plate, the two round end groove gathering sill of third gear plate.
The distance of described third gear plate two planes relative to fourth gear plate is 2mm.
Described spacer pin interts in spring.
The groove width of two round end grooves of described first baffle plate equals the diameter in the two round end groove round end hole one of second baffle, the two round end groove round end hole one of third gear plate.
Described third gear plate side have two cylindrical shape end faces and fourth gear plate rigidly connected.
The two round end groove round end hole one of described second baffle and third gear plate two round end groove round end holes one concentric alignment.
As shown in Figure 2, the present invention carry out syringe sheath win operation time, the needle portion of syringe 1 is inserted from second baffle 5 macropore, first baffle plate 4 will move to fifth gear plate 9 direction under the thrust of syringe 1 with second baffle 5, when the spacer pin top on second baffle 5 is to fifth gear plate 9, first baffle plate 4 moves to target location with second baffle 5, now, second baffle 5 and third gear plate 7 are shifted onto between the shoulder and the shoulder of syringe 1 needle of syringe 1 sheath ends, afterwards, by syringe 1 by the two round end groove round end hole one end slippage of second baffle to second baffle pair round end groove round end holes two end, due to now, the shoulder of syringe sheath ends is stuck between third gear plate and fourth gear plate, the thrust of the different directions utilizing spring 2 that second baffle 5 and third gear plate 7 are produced, syringe 1 syringe needle and syringe 1 sheath is made to bear rightabout active force, syringe 1 sheath is from detach procedure on syringe needle, there is active force in the spring 2 compressed in the process of syringe 1 rollback always, second baffle 5 prevents syringe needle from coming off winning the nipple from syringe in sheath process under the effect of spring 2 pressure
As shown in Figure 3, the present invention is when time cover carrying out syringe sheath operates, syringe 1 is inserted the two round end groove round end hole two of second baffle, first baffle plate 4 will move to fifth gear plate 9 direction under the thrust of syringe 1 with second baffle 5, when continuing to move to fifth gear plate 9 direction in syringe 1 syringe needle insertion sheath, the fourth gear plate 8 that position is fixed blocks the shoulder of syringe sheath, makes syringe 1 syringe needle insert sheath tightly.Now, syringe 1 is moved on to the two one end, round end groove round end hole of second baffle from second baffle two round end groove round end holes two end and directly extract the rollback just completing sheath.
As shown in Figure 4, the first baffle plate 4 has the identical round end groove of two ends aperture size.
As shown in Figure 5, second baffle 5 has the not identical round end groove of two ends aperture size, and wherein, second baffle two round end groove round end holes one diameter is identical with the round end slot aperture of the first baffle plate 4, is fixed wtih 2 spacer pins in the side of second baffle.
As shown in Figure 6, third gear plate 7 has the not identical round end groove of two ends aperture size, wherein, third gear plate round end groove size and second baffle round end groove measure-alike.
As shown in Figure 7, fourth gear plate 8 has the identical round end groove of aperture size, and wherein, the round end groove small aperture of round end slot aperture size and second baffle 5 is measure-alike.
As shown in Figure 8, fifth gear plate 9 has the identical round end groove of two ends aperture size, and wherein, fifth gear plate round end slot aperture size is identical with the aperture size in the two round end groove round end hole two of second baffle.When the sheath of syringe 1 is won, the sheath of syringe 1 is stuck in round end groove by fourth gear plate 8 and fifth gear plate 9.
Claims (6)
1. a syringe safe operating means, comprise syringe (1), syringe sheath, it is characterized in that: also comprise spring (2), outer-hexagonal nut (3), first baffle plate (4), second baffle (5), guide finger (6), third gear plate (7), fourth gear plate (8), fifth gear plate (9), spacer pin, guide finger (6) connects the first baffle plate (4) successively, second baffle (5), third gear plate (7), fourth gear plate (8), fifth gear plate (9), first baffle plate (4) and second baffle (8) are rigidly connected, and can slide along guide finger (6) axial direction, third gear plate (7), fourth gear plate (8) and fifth gear plate (9) are axially fixed successively along guide finger (6), spring (2) is successively through second baffle (5), duct on third gear plate (7) and fourth gear plate (8), spring (2) one end is pressed on second baffle (5), the other end is pressed on fifth gear plate (9), guide finger (6) one end is threaded with fifth gear plate (9), the other end is threaded with outer-hexagonal nut (3), first baffle plate (4) presses down outside on hex nut (3) in spring (2) effect, described spacer pin is fixed on the below of second baffle (5), described first baffle plate (9) has two round end grooves that two terminal circle area of bed is identical, second baffle (5) has the not identical two round end grooves of two terminal circle area of bed, third gear plate (7) has round end size not identical pair of round end groove, fourth gear plate (8) has round end measure-alike pair of round end groove, fifth gear plate (9) has round end measure-alike pair of round end groove, wherein, the shoulder diameter of syringe (1) needle is greater than the groove width of the two round end groove of second baffle (5), is less than the diameter in second baffle (5) two round end groove round end hole one, the shoulder diameter of syringe (1) sheath is greater than the groove width of two round end grooves of third gear plate (7), fourth gear plate (8), is less than the diameter in third gear plate (7) two round end groove round end hole one.
2. a kind of syringe safe operating means according to claim 1, is characterized in that: the distance of described third gear plate (7) two planes relative to fourth gear plate (8) is 2mm.
3. a kind of syringe safe operating means according to claim 1, is characterized in that: described spacer pin interts in spring (2).
4. a kind of syringe safe operating means according to claim 1, is characterized in that: the groove width of two round end grooves of described first baffle plate (4) equals the diameter in the two round end groove round end hole one of second baffle, the two round end groove round end hole one of third gear plate.
5. a kind of syringe safe operating means according to claim 1, is characterized in that: described third gear plate (7) side have two cylindrical shape end faces and fourth gear plate (8) rigidly connected.
6. a kind of syringe safe operating means according to claim 1, is characterized in that: described second baffle (7) two round end groove round end hole one and third gear plate (7) two round end groove round end hole one concentric alignment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190250.0A CN104857599B (en) | 2015-04-21 | 2015-04-21 | Safety operating device for injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190250.0A CN104857599B (en) | 2015-04-21 | 2015-04-21 | Safety operating device for injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104857599A true CN104857599A (en) | 2015-08-26 |
| CN104857599B CN104857599B (en) | 2023-06-13 |
Family
ID=53904045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190250.0A Active CN104857599B (en) | 2015-04-21 | 2015-04-21 | Safety operating device for injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104857599B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030899A (en) * | 1987-07-31 | 1989-02-08 | 株式会社日硝 | Entry needle stripping assembly and the container of being furnished with said device |
| JPH09192180A (en) * | 1996-01-18 | 1997-07-29 | Heisei Denshi Kk | Syringe needle extractor |
| JP2990213B1 (en) * | 1998-07-08 | 1999-12-13 | 有限会社医療化学 | Injection needle removal tool |
| CN201855481U (en) * | 2010-09-30 | 2011-06-08 | 张新华 | Needle cap removing device of injector |
| CN202459647U (en) * | 2012-01-18 | 2012-10-03 | 河南科技大学第一附属医院 | Needle head capping device |
| CN103691038A (en) * | 2013-12-31 | 2014-04-02 | 苏州大学 | Multifunctional needle-syringe separator |
| CN204723519U (en) * | 2015-04-21 | 2015-10-28 | 湖南中医药大学 | A kind of syringe safe operating means |
-
2015
- 2015-04-21 CN CN201510190250.0A patent/CN104857599B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030899A (en) * | 1987-07-31 | 1989-02-08 | 株式会社日硝 | Entry needle stripping assembly and the container of being furnished with said device |
| JPH09192180A (en) * | 1996-01-18 | 1997-07-29 | Heisei Denshi Kk | Syringe needle extractor |
| JP2990213B1 (en) * | 1998-07-08 | 1999-12-13 | 有限会社医療化学 | Injection needle removal tool |
| CN201855481U (en) * | 2010-09-30 | 2011-06-08 | 张新华 | Needle cap removing device of injector |
| CN202459647U (en) * | 2012-01-18 | 2012-10-03 | 河南科技大学第一附属医院 | Needle head capping device |
| CN103691038A (en) * | 2013-12-31 | 2014-04-02 | 苏州大学 | Multifunctional needle-syringe separator |
| CN204723519U (en) * | 2015-04-21 | 2015-10-28 | 湖南中医药大学 | A kind of syringe safe operating means |
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| Publication number | Publication date |
|---|---|
| CN104857599B (en) | 2023-06-13 |
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