CN104784803A - Pre-charging type tube washing injector - Google Patents
Pre-charging type tube washing injector Download PDFInfo
- Publication number
- CN104784803A CN104784803A CN201510196085.XA CN201510196085A CN104784803A CN 104784803 A CN104784803 A CN 104784803A CN 201510196085 A CN201510196085 A CN 201510196085A CN 104784803 A CN104784803 A CN 104784803A
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- China
- Prior art keywords
- piston
- sleeve
- inflator pump
- liquid
- pull bar
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Abstract
The invention discloses a pre-charging type tube washing injector which comprises a sleeve, a piston and a cap. Pre-charging liquid is sealed in the sleeve through the cap sealing a liquid outlet in the front end of the sleeve and the piston arranged in the sleeve, an air charging device pushing the piston is fixed at the rear end of the sleeve, and the air charging device is separated from the piston. A traditional piston and a traditional pull rod are connected into a whole, the structure that the piston is pushed by the pull rod is changed into the structure that the air charging device pushing the piston is separated from the piston, the air charging device is used for air charging to push the piston so that liquid in the injector can be discharged, balance buffering is achieved while the piston plays a role in pushing the liquid, and medicine and return blood residues on the wall of a tube can be washed away thoroughly.
Description
Technical field
The invention belongs to medical mechanical domain, specifically be a kind of pre-filled flushing syringe.
Background technology
Pre-filled flushing syringe is conventional medical apparatus and instruments, it generally comprises sleeve, piston, block and pull bar, piston and pull bar connect together and are contained in sleeve, by pushing drawing rod and then promote piston and the normal saline of preliminary filling in sleeve pipe or other solution are released syringe carry out flushing of pipeline.But pre-filled pipe syringe thrust of hands in pushing course of filling of this piston and integrated with pulling rod formula directly acts on piston through pull bar, and the impetus of piston to liquid does not have equalizing buffer, there is medicine and blood back rinses halfway phenomenon.
Summary of the invention
The technical problem to be solved in the present invention is the function that pre-filled flushing syringe does not cushion flushing in bolus infusion processes, rinses not thorough.
The technical solution adopted in the present invention is: a kind of pre-filled flushing syringe, comprise sleeve, piston and block, block and the piston be arranged in sleeve of seal sleeve front end liquid outlet are contained in sleeve by rushing fluid-tight in advance, sleeve rear end is fixed with the aerating device that promotes piston, and aerating device is separated with piston.
As a kind of optimal way, described aerating device comprises inflator pump, spring and inflation pull bar, and inflator pump is fixed on sleeve, and its front end is provided with steam vent; Inflation pull bar is arranged on inflator pump rear portion, and coordinate with inflator pump inwall, its front-end and back-end are equipped with pore; Spring is arranged in inflator pump, and one end is fixed on the front end of inflator pump, and the other end is inflated pull bar forward ends thereof.
Employing aerating device inflation of the present invention promotes piston and is discharged by the liquid in syringe, tube wall medicine and blood back can be remained cleaning down by repeated inflation action repeatedly, further minimizing nurse job amount and labor intensity, better prevent medicine and blood back to solidify, and reduces infection rate.
Accompanying drawing explanation
Fig. 1 structural representation of the present invention.
In figure, 1 aerating device, 11. inflation pull bars, 12. inflator pumps, 13. springs, 121 steam vents, 111 rear end pores, 112 front end pores, 2 sleeves, 3 pistons, 4 blocks, 5 rush liquid in advance.
Detailed description of the invention
One embodiment of the present invention as shown in Figure 1, this pre-filled flushing syringe comprises sleeve 2, piston 3 and block 4, the block 4 of seal sleeve front end liquid outlet and the piston 3 be arranged in sleeve 2 are encapsulated in sleeve 2 by rushing liquid 5 in advance, sleeve 2 rear end is fixed with the aerating device 1 that promotes piston, and aerating device 1 is separated with piston 3.Aerating device comprises inflator pump 12, spring 13 and inflation pull bar 11, and inflator pump 12 is fixed on sleeve 2, and inflator pump front end is provided with steam vent 121; Inflation pull bar 11 is arranged on inflator pump 12 rear portion, and coordinate with inflator pump 12 inwall, its front end is provided with front end pore 112, and rear end is provided with rear end pore 111; Spring 13 is arranged in inflator pump 12, and one end is fixed on the front end of inflator pump 12, and the other end is inflated pull bar 11 forward ends thereof.
During use, block 4 is opened, flushing syringe is received on the indwelling needle catheter of needs flushing, finger covers the rear end pore 111 of inflation pull bar, pin inflation pull bar 11 and press down 13 springs, the gas produced is discharged from the steam vent 121 of inflator pump and will can rush liquid 5(in advance as normal saline with the piston 3 in moving sleeve 2) buffering discharge, repeatedly repeat This move, make in sleeve, to rush liquid in advance and reach buffering effect, thus make the medicine blood back cleaning down that remains on indwelling needle catheter tube wall clean, reach and reduce nurse job amount and labor intensity further, medicine and blood back is better prevented to solidify, reduce infection rate.
Claims (2)
1. pre-filled flushing syringe, comprise sleeve, piston and block, block and the piston be arranged in sleeve of seal sleeve front end liquid outlet are contained in sleeve by rushing fluid-tight in advance, it is characterized in that: sleeve rear end is fixed with the aerating device that promotes piston, and aerating device is separated with piston.
2. pre-filled flushing syringe according to claim 1, is characterized in that: described aerating device comprises inflator pump, spring and inflation pull bar, and inflator pump is fixed on sleeve, and its front end is provided with steam vent; Inflation pull bar is arranged on inflator pump rear portion, and coordinate with inflator pump inwall, its front-end and back-end are equipped with pore; Spring is arranged in inflator pump, and one end is fixed on the front end of inflator pump, and the other end is inflated pull bar forward ends thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196085.XA CN104784803B (en) | 2015-04-23 | 2015-04-23 | Pre-filled flushing syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196085.XA CN104784803B (en) | 2015-04-23 | 2015-04-23 | Pre-filled flushing syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104784803A true CN104784803A (en) | 2015-07-22 |
| CN104784803B CN104784803B (en) | 2018-03-13 |
Family
ID=53550276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510196085.XA Active CN104784803B (en) | 2015-04-23 | 2015-04-23 | Pre-filled flushing syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104784803B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1646181A (en) * | 2002-02-08 | 2005-07-27 | 金容年 | Liquid supply apparatus |
| CN2899811Y (en) * | 2006-05-20 | 2007-05-16 | 沙凤珍 | Pneumatic expelling type injector |
| CN201030120Y (en) * | 2007-05-23 | 2008-03-05 | 燕爱梅 | Gas pulling device of the injection syringe |
| EP2090218A1 (en) * | 2008-02-18 | 2009-08-19 | Fujifilm Corporation | Automatic retractable syringe |
| CN203227095U (en) * | 2013-04-03 | 2013-10-09 | 山东威高集团医用高分子制品股份有限公司 | Blood returning prevention type pre-filling type washpipe injector |
| CN203885980U (en) * | 2014-05-19 | 2014-10-22 | 刘连海 | Oral anesthesia syringe |
| CN204699212U (en) * | 2015-04-23 | 2015-10-14 | 山东威高集团医用高分子制品股份有限公司 | Pre-filled flushing syringe |
-
2015
- 2015-04-23 CN CN201510196085.XA patent/CN104784803B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1646181A (en) * | 2002-02-08 | 2005-07-27 | 金容年 | Liquid supply apparatus |
| CN2899811Y (en) * | 2006-05-20 | 2007-05-16 | 沙凤珍 | Pneumatic expelling type injector |
| CN201030120Y (en) * | 2007-05-23 | 2008-03-05 | 燕爱梅 | Gas pulling device of the injection syringe |
| EP2090218A1 (en) * | 2008-02-18 | 2009-08-19 | Fujifilm Corporation | Automatic retractable syringe |
| CN203227095U (en) * | 2013-04-03 | 2013-10-09 | 山东威高集团医用高分子制品股份有限公司 | Blood returning prevention type pre-filling type washpipe injector |
| CN203885980U (en) * | 2014-05-19 | 2014-10-22 | 刘连海 | Oral anesthesia syringe |
| CN204699212U (en) * | 2015-04-23 | 2015-10-14 | 山东威高集团医用高分子制品股份有限公司 | Pre-filled flushing syringe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104784803B (en) | 2018-03-13 |
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