CN201022885Y - Medicine adding syringe without pushing rod - Google Patents
Medicine adding syringe without pushing rod Download PDFInfo
- Publication number
- CN201022885Y CN201022885Y CNU2007200513597U CN200720051359U CN201022885Y CN 201022885 Y CN201022885 Y CN 201022885Y CN U2007200513597 U CNU2007200513597 U CN U2007200513597U CN 200720051359 U CN200720051359 U CN 200720051359U CN 201022885 Y CN201022885 Y CN 201022885Y
- Authority
- CN
- China
- Prior art keywords
- syringe
- sliding sleeve
- medicine adding
- utility
- push rod
- 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 - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a drug-feeding injector without a push bar, aiming to provide the drug-feeding injector of simple structure, excellent leakproofness, and convenient usage. The utility model comprises a work drum and a push hold, wherein the top portion of the work drum is provided with a sliding pipe casing, the outer end of the sliding pipe casing is seal connected with the push hold, the wall of the work drum which is relative to the sliding pipe casing is provided with a tubular cavity which can contain the sliding pipe casing which can slide along the tubular cavity, and the near-end portion of the inner end of the sliding pipe casing is provided with an elastic sealing ring. The utility model can be used for feeding and preparing drugs.
Description
Technical field
This utility model relates to a kind of syringe, refers in particular to a kind of no push rod medicine adding syringe that is used for the dosing allotment.
Background technology
At present, the medicine adding syringe that generally uses in the hospital is common syringe, is made up of syringe, piston and push rod, and medical personnel move by push rod push-and-pull piston when operation, realize operations such as aspiration medicinal liquid, admixing medical solutions.But find that in actual use medical personnel are when carrying out operation such as aspiration medicinal liquid, admixing medical solutions, finger can touch push rod, exist medicinal liquid contaminated may, cause cross infection easily.For avoiding medical personnel's pollution to medicinal liquid when using syringe, Chinese patent CN200510100206.2 (open day: on March 22nd, 2006) disclose a kind of no pushing rod anti-pollution injector, by Sealed casing pipe being set on syringe top, no push-rod piston in the drive syringe moves up and down the effect that reaches suction or discharge medicinal liquid, has solved conventional syringe and has pointed the deficiency that contacts push rod and easily cause cross-contamination.But in the such scheme, because the possibility that the elastic packing cushion rubber also exists gas leakage or pollutant to enter, thereby also have security breaches, be necessary to improve.
The utility model content
The technical problems to be solved in the utility model provides a kind of simple in structure, good airproof performance, no push rod medicine adding syringe easy to use.
The technical solution of the utility model is such: a kind of no push rod medicine adding syringe, comprise syringe and handle, wherein said syringe top is provided with sliding sleeve, the outer end and the handle of sliding sleeve are tightly connected, be provided with the tubular cavity that can hold this sliding sleeve with the corresponding syringe barrel of sliding sleeve, sliding sleeve can slide along this tubular cavity; Inner close end at sliding sleeve is provided with elastic sealing ring.
Above-mentioned a kind of peristome that does not have the syringe described in the push rod medicine adding syringe is provided with sealing plate, sealing plate is provided with the ventilation pore, be connected with the molecular film air filter in the passage outside, can further prevent from like this pollutant that enter from elastic sealing ring to guarantee to use health, safety.
Above-mentioned a kind ofly do not have the syringe described in the push rod medicine adding syringe and be provided with coloured float, can be used to refer to the liquid level in the syringe, makes things convenient for the medical worker to observe in use.
After this utility model adopts said structure, cancel the push rod and the piston of contact finger, directly utilized sliding sleeve to move the negative pressure-pumping medicinal liquid of formation, had advantage simple in structure, easy to use; After further improving, utilize the molecular film air filter to isolate the pollutant that may enter from elastic sealing ring, to the cross-contamination of medicinal liquid, guarantee drug safety when preventing operating syringe effectively.
Description of drawings
Below in conjunction with the embodiment in the accompanying drawing this utility model is described in further detail, but does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of specific embodiment of this utility model;
Fig. 2 is a user mode sketch map of the present utility model.
Among the figure: syringe 1, handle 2, sliding sleeve 3, tubular cavity 4, elastic sealing ring 5, sealing plate 6, ventilation pore 7, molecular film air filter 8, coloured float 9.
The specific embodiment
Consult shown in Figure 1, a kind of no push rod medicine adding syringe of the present utility model, comprise syringe 1 and handle 2, be provided with sliding sleeve 3 on syringe 1 top, the outer end of sliding sleeve 3 is inwardly shunk the back and is tightly connected with handle 2, be provided with the tubular cavity 4 that can hold this sliding sleeve 3 with sliding sleeve 3 corresponding syringe 1 barrels, sliding sleeve 3 can slide along this tubular cavity 4; Inner close end at sliding sleeve 3 is provided with elastic sealing ring 5, and outwards spur sliding sleeve 3 and can in syringe 1, form negative pressure, thus aspiration medicinal liquid; Peristome at syringe 1 is provided with sealing plate 6, sealing plate 6 is provided with ventilation pore 7, is connected with molecular film air filter 8 in passage 7 outsides, prevents that further pollutant from entering in the syringe 1, to the cross-contamination of medicinal liquid, guarantee drug safety in the time of can preventing operating syringe effectively; Be provided with coloured float 9 at syringe 1, be used to refer to the liquid level in the syringe, observe during convenient the use.
When this utility model specifically uses, consult shown in Figure 2, identical with the common syringe using method, when handle 2 was pulled out outward, sliding sleeve 3 was when the tubular cavity 4 of syringe 1 barrel moves up, in syringe 1, form negative pressuren zone, thereby can medicinal liquid be pumped in the syringe 1 by syringe needle, when with handle 2 during toward interior extruding, sliding sleeve 3 moves down along the tubular cavity 4 of syringe 1 barrel, medicinal liquid in the syringe 1 is formed malleation, thereby medicinal liquid can be extruded; And the medical worker is in when operation, because of the buffer action of the sealing function and the molecular film air filter 8 of sliding sleeve 3, can avoid liquid medicine contamination effectively.
Claims (3)
1. no push rod medicine adding syringe, comprise syringe (1) and handle (2), it is characterized in that described syringe (1) top is provided with sliding sleeve (3), the outer end of sliding sleeve (3) and handle (2) are tightly connected, be provided with the tubular cavity (4) that can hold this sliding sleeve (3) with the corresponding syringe of sliding sleeve (3) (1) barrel, sliding sleeve (3) can slide along this tubular cavity (4); Inner close end at sliding sleeve (3) is provided with elastic sealing ring (5).
2. a kind of no push rod medicine adding syringe according to claim 1 is characterized in that the peristome of described syringe (1) is provided with sealing plate (6), and sealing plate (6) is provided with ventilation pore (7), is connected with molecular film air filter (8) in passage (7) outside.
3. a kind of no push rod medicine adding syringe according to claim 1 and 2 is characterized in that described syringe (1) is provided with coloured float (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200513597U CN201022885Y (en) | 2007-05-14 | 2007-05-14 | Medicine adding syringe without pushing rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200513597U CN201022885Y (en) | 2007-05-14 | 2007-05-14 | Medicine adding syringe without pushing rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201022885Y true CN201022885Y (en) | 2008-02-20 |
Family
ID=39096741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200513597U Expired - Fee Related CN201022885Y (en) | 2007-05-14 | 2007-05-14 | Medicine adding syringe without pushing rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201022885Y (en) |
-
2007
- 2007-05-14 CN CNU2007200513597U patent/CN201022885Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080220 |