CN201643205U - Safety syringe - Google Patents
Safety syringe Download PDFInfo
- Publication number
- CN201643205U CN201643205U CN2010200562627U CN201020056262U CN201643205U CN 201643205 U CN201643205 U CN 201643205U CN 2010200562627 U CN2010200562627 U CN 2010200562627U CN 201020056262 U CN201020056262 U CN 201020056262U CN 201643205 U CN201643205 U CN 201643205U
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- CN
- China
- Prior art keywords
- needle
- needle guard
- described needle
- syringe
- fixing
- 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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Abstract
The utility model relates to a safety syringe comprising a syringe needle and a transparent and retractable needle sleeve, wherein the syringe needle comprises a needle tip, a needle rod and a pintle; the needle sleeve is sheathed on the syringe needle; one end of the needle sleeve is connected with the pintle, and the other end of the needle sleeve is opened; and the length of the needle sleeve meets the condition that the needle tip is sheathed in the needle sleeve. For the patients, due to the protection of the needle sleeve, the hand of the medical personnel can not directly contact the syringe needle before injection, thus preventing the syringe needle from being polluted; for the medical personnel, firstly, due to the protection of the needle sleeve, the medical personnel can not be stabbed and wound before injection, secondly, for being retractable, the needle sleeve can automatically get back into shape to protect the syringe needle after injection, therefore, the probability that the medical personnel is stabbed and wound can be greatly reduced.
Description
[technical field]
Technical solutions of the utility model relate to a kind of syringe, relate in particular to use safer a kind of syringe.
[background technology]
Point out according to Literature Consult and clinical investigation: the disposable syringe that at present domestic hospitals at different levels use all is made up of pin medicated cap, syringe needle and syringe body, and mainly there is the problem of two aspects in this clinically syringe:
The first, syringe needle is contaminated easily.
The medical worker opens the packaging bag of disposable syringe when injecting, take off the pin medicated cap, this time, medical worker's hands touched syringe needle easily, cause the pollution of syringe needle, thereby bring injected patient antibacterial or even pathogenic bacteria, cause nosocomial infection.
The second, stab medical personnel easily.
First kind of pricking wound is before giving patient infusion, if this moment, syringe needle stung the medical worker, causes the pollution of syringe needle so equally, thereby brings injected patient antibacterial or even pathogenic bacteria.
Second kind of pricking wound is that this pricking wound occupies very big ratio in the clinical care risk case after giving patient infusion.Clinical nurse is the specific group that places oneself in the midst of the special occupation environment, is faced with multiple occupational hazards, as physical property, chemical, biological, psychological social pressure etc.Wherein pricking wound is the modal employment injuries of nursing staff, now confirmed 20 surplus kind of pathogen can be through the pricking wound inoculative transmission, being considered to the most common, threatening maximum is viruses such as hepatitis B, hepatitis C, acquired immune deficiency syndrome (AIDS).Therefore, the nursing staff is faced with serious occupational exposure danger.Show according to one group of investigation; in daily nursing operation the nurse to wear the glove rate low; though most of nurse can in time extrude wound local blood, cleaning and sterilization gently after injured; but pricking wound is a kind of unexpected injury that is enough to make wounded body's infection of skin deep part, can be inoculated in wounded body's body by the blood of pathogen contamination or body fluid.Therefore, the prevention of pricking wound at present remains the major issue and the urgent problem of medical personnel's occupational protection.
Domestic investigation shows, the nursing staff near 100% is at work by the pricking wound mistake, and number of times that the medical personnel of suitable vast scale are wounded by stabbing arranged greater than twice.Obviously, the syringe of an effective prevention nursing staff pricking wound is a urgent need and necessary.
[summary of the invention]
Syringe needle to be polluted, prevents that medical personnel are by pricking wound in order to inoculate, this utility model provides a kind of safety injector, comprise syringe needle, described syringe needle comprises needle point, pin stalk and pintle, also comprise transparent retractable needle guard, described needle guard is enclosed within on the described syringe needle, and described needle guard one end is connected with described pintle, the other end of described needle guard is the opening setting, and the length of described needle guard satisfies the inside that described needle point is enclosed in described needle guard.
Optimal technical scheme of the present utility model is: described needle guard is provided with ring for fixing near an end of described needle point, and described ring for fixing and described needle guard design for integral type.
Optimal technical scheme of the present utility model is: the thickness of described ring for fixing is greater than the thickness of described needle guard.
Optimal technical scheme of the present utility model is: the length of described ring for fixing satisfies the inside that described needle point is enclosed in described ring for fixing.
Optimal technical scheme of the present utility model is: described needle guard is grown 2 to 3 millimeters near the length of an end of described needle point than the end of described needle point.
Optimal technical scheme of the present utility model is: described needle guard is provided with spiral circumferential protrusion.
Compared to prior art, a kind of safety injector that this utility model provides has increased a transparent retractable needle guard on the basis of existing technology, has played protection patient and medical worker's effect by this needle guard.This utility model is in injection, and needle guard can bounce back to about 1/3 of himself length, satisfies the injection demand, and needle guard of the present utility model is a transparent design, can not influence normal injection.
To the patient,, prevented the pollution of syringe needle because the protection of needle guard makes that medical worker's hands can directly not touch syringe needle before injection.
To the medical worker, at first, before the injection, because the protection of needle guard, medical personnel can not be wounded by stabbing.Secondly, after the injection, because needle guard is retractable cover, needle guard can restore to the original state automatically after injection, and syringe needle is wrapped up, and like this, greatly reduces the probability that medical personnel are wounded by stabbing.
End at the close described needle point of described needle guard is provided with ring for fixing, and described ring for fixing and described needle guard design for integral type.The thickness of described ring for fixing is greater than the thickness of described needle guard.Described ring for fixing can play the effect of packing ring in when injection and patient's contact skin.The length of described ring for fixing satisfies the inside that described needle point is enclosed in described ring for fixing, like this, can prevent effectively that needle point from puncturing affiliated needle guard.
This utility model is fixed a retractable cover on the syringe needle of original syringe, not only simple and safe but also need not increase too big cost, should use safer.This product can reduce the probability of medical worker's pricking wound clinically, can also reach the not contaminated purpose of protection medicinal liquid, reduces the potential danger of nosocomial infection, has created good condition for safe medical treatment and nursing environment is provided.Needle guard of the present utility model can be controlled the degree of depth of inserting needle, because the excessive inserting needle that causes of exerting oneself is dark excessively, inserting needle 2/3 left and right sides Shi Ke is bounced back to overlap and blocks when injecting with the prevention nurse.
[description of drawings]
Fig. 1 is the structural representation of prior art syringe.
Fig. 2 is the structural representation of safety injector of the present utility model.
Fig. 3 is the structural representation of the needle guard of safety injector of the present utility model.
Fig. 4 is the structural representation of second kind of embodiment of safety injector of the present utility model.
Fig. 5 is the structural representation of the needle guard of second kind of embodiment of safety injector of the present utility model.
Each component names is as follows among the figure:
Syringe needle 1, needle point 101, pin stalk 102, pintle 103, needle guard 2, ring for fixing 201.
[specific embodiment]
Below in conjunction with drawings and Examples technical solutions of the utility model are launched explanation:
As shown in Figure 2, a kind of safety injector, comprise syringe needle 1, described syringe needle comprises needle point 101, pin stalk 102 and pintle 103, also comprise transparent retractable needle guard 2 (as shown in Figure 3), described needle guard 2 is enclosed within on the described syringe needle 1, described needle guard 2 one ends are connected with described pintle 103, the other end of described needle guard 2 is the opening setting, the length of described needle guard 2 satisfies the inside that described needle point 101 is enclosed in described needle guard 2, be that described needle guard 2 is longer than the end of described needle point 101 near the length of an end of described needle point 101, preferably long 2 to 3 millimeters.Described needle guard 2 is provided with ring for fixing 201 near an end of described needle points 101, described fixedly Figure 20 1 design for integral type with described needle guard 2 and the thickness of ring for fixing 201 greater than the thickness of described needle guard 2.The length of described ring for fixing 201 satisfies the inside that described needle point 101 is enclosed in described ring for fixing 201.Described needle guard can be provided with spiral circumferential protrusion, also can be general projection, does not promptly need between the projection to connect.Described projection can be covered with whole needle guard, also can partly be provided with as required.
During use, open the packing box or the packaging bag of safety injector, described ring for fixing 201 is placed patient's skin place, play the effect of packing ring, because described needle guard 2 is transparent, opening and rubber-like cover, needle guard 2 can be contracted to about 1/3 of needle guard length automatically when injecting, and can not influence normal injection.Injection finishes, and described needle guard 2 restores to the original state automatically, and needle point is surrounded, and can not stab the medical worker.
The material that described needle guard can be selected for use can be the high-quality natural rubber (water white transparency) of Malaysian imported with original packaging, also can use all-silicon rubber but necessary ethane via epoxyethane sterilization.At present these materials clinical be mainly used in catheter, urine retention, urinary hesitancy patient urinate and perform the operation preceding preparation, postoperative of pelvic organs official kept somewhere, and can be that urine is cultivated sampling.
Above content be in conjunction with concrete optimal technical scheme to further describing that this utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from this utility model design, can also make some simple deduction or replace, the syringe that also can be used to make up a prescription as this utility model, promptly utilize the safety syringe medicine to be taken out, be expelled in another medicine bottle from a medicine bottle.All should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. safety injector, comprise syringe needle (1), described syringe needle comprises needle point (101), pin stalk (102) and pintle (103), it is characterized in that: also comprise transparent retractable needle guard (2), described needle guard (2) is enclosed within on the described syringe needle (1), described needle guard (2) one ends are connected with described pintle (103), and the other end of described needle guard (2) is the opening setting, and the length of described needle guard (2) satisfies the inside that described needle point (101) is enclosed in described needle guard (2).
2. safety injector as claimed in claim 1 is characterized in that: described needle guard (2) is provided with ring for fixing (201) near an end of described needle point (101), and described ring for fixing (201) designs for integral type with described needle guard (2).
3. safety injector as claimed in claim 1 is characterized in that: the thickness of described ring for fixing (201) is greater than the thickness of described needle guard (2).
4. safety injector as claimed in claim 2 is characterized in that: the thickness of described ring for fixing (201) is greater than the thickness of described needle guard (2).
5. as any described safety injector of claim 1 to 4, it is characterized in that: the length of described ring for fixing (201) satisfies the inside that described needle point (101) is enclosed in described ring for fixing (201).
6. as any described safety injector of claim 1 to 4, it is characterized in that: described needle guard (2) is grown 2 to 3 millimeters near the length of an end of described needle point (101) than the end of described needle point (101).
7. safety injector as claimed in claim 5 is characterized in that: described needle guard (2) is grown 2 to 3 millimeters near the length of an end of described needle point (101) than the end of described needle point (101).
8. as any described safety injector of claim 1 to 4, it is characterized in that: described needle guard (2) is provided with spiral circumferential protrusion.
9. safety injector as claimed in claim 5 is characterized in that: described needle guard (2) is provided with spiral circumferential protrusion.
10. safety injector as claimed in claim 7 is characterized in that: described needle guard (2) is provided with spiral circumferential protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200562627U CN201643205U (en) | 2010-01-05 | 2010-01-05 | Safety syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200562627U CN201643205U (en) | 2010-01-05 | 2010-01-05 | Safety syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201643205U true CN201643205U (en) | 2010-11-24 |
Family
ID=43108398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200562627U Expired - Fee Related CN201643205U (en) | 2010-01-05 | 2010-01-05 | Safety syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201643205U (en) |
-
2010
- 2010-01-05 CN CN2010200562627U patent/CN201643205U/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: 20101124 Termination date: 20120105 |