CN1391959A - Syringe with safe protective slide sleeve - Google Patents
Syringe with safe protective slide sleeve Download PDFInfo
- Publication number
- CN1391959A CN1391959A CN 01113478 CN01113478A CN1391959A CN 1391959 A CN1391959 A CN 1391959A CN 01113478 CN01113478 CN 01113478 CN 01113478 A CN01113478 A CN 01113478A CN 1391959 A CN1391959 A CN 1391959A
- Authority
- CN
- China
- Prior art keywords
- syringe
- sliding sleeve
- rotating vane
- fixed mount
- locking rotating
- 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.)
- Pending
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Abstract
The syringe of the present invention has increased cylindrical protecting slide sleeve, fixing frame, front locking rotary blade, back locking rotary blade and spring. The protecting slide sleeve is divided into two sections including one front reduced section; the two locking rotary blades are sleeved to the fixing frame on the syringe seat; the spring has one end contacting with the fixing frame and the other end contacting with the front section of the protecting slide sleeve; and the syringe is made to penetrate the spring. The syringe is disposable, safe, easy to use and low in cost.
Description
The present invention relates to injector for medical purpose, more specifically refer to a kind of syringe with safe protective slide sleeve.
Seen in the market disposable syringe all is a syringe of not being with any safety guard, or has only the syringe of entry needle protective sleeve, even the entry needle protective sleeve is arranged, but after use, protective sleeve just separates with entry needle.It is improper that many medical personnels or other medical matters cleaning treatment personnel have in using and collecting slightly, will be stabbed by entry needle, the malpractice that causes some should not take place makes the medical worker endure the blood-borne cause of disease to the fullest extent, as coerced by the disease of HIV, hepatitis B, hepatitis C virus.In addition, because original syringe has repeatedly used characteristics, used syringe regular meeting is utilized by some drug addiction gentleman and illegal businessman, has caused another approach that disseminates through the blood zymad.
For this reason, the purpose of this invention is to provide a kind of syringe with safe protective slide sleeve, this syringe in use is difficult for stabbing the operator on the one hand, can stop reusing of syringe effectively on the other hand.
In order to achieve the above object; the present invention adopts following technical scheme: this syringe comprises entry needle; syringe; push rod; entry needle is connected in the front end of syringe by needle stand; push rod is positioned at syringe; it is characterized in that: this syringe also comprises tubular protection sliding sleeve; fixed mount; preceding locking rotating vane sheet; back locking rotating vane sheet; spring; section before and after sliding sleeve is divided into; back segment is tubular and is placed on the syringe; leading portion is a closing in shape; fixed mount is installed on the needle stand, locking rotating vane sheet and back locking rotating vane sheet before on fixed mount, being with, and spring one end and fixed mount offset; the other end offsets with the leading portion of protection sliding sleeve, and entry needle passes spring.
Owing on the entry needle of syringe of the present invention and syringe, be with tubular protection sliding sleeve and increased fixed mount, preceding locking rotating vane sheet, back locking rotating vane sheet, spring; to protect sliding sleeve to be divided into the front and back section; leading portion is a closing in shape; back segment is tubular; fixed mount is installed on the needle stand, locking rotating vane sheet and back locking rotating vane sheet before on fixed mount, being with, and spring one end and fixed mount offset; the other end offsets with the leading portion of protection sliding sleeve, and entry needle passes spring.When needs use syringe,, make entry needle expose the leading portion of sliding sleeve as long as sliding sleeve is promoted to the syringe rear, compress spring simultaneously, when sliding sleeve move backward make before locking rotating vane sheet when entering the top of sliding sleeve back segment, sliding sleeve is locked, entry needle exposes, start injection; Injection is pressed the fracture handle after finishing, and makes the handle fracture, and the root of entry needle is fracture thereupon also, under the effect of spring, protects sliding sleeve to automatically reset simultaneously.Therefore, entry needle of the present invention is after using, and resetting of sliding sleeve of protection makes entry needle be in fully in the sliding sleeve again, plays a protective role; On the other hand, the fracture of entry needle makes syringe not used by secondary.
Below in conjunction with embodiment and accompanying drawing, the invention will be further described:
Fig. 1 is a syringe construction sketch map of the present invention.
Fig. 2 is the fixed rack structure sketch map of syringe of the present invention.
Fig. 3 is a syringe protection shift sleeve structure sketch map of the present invention.
Fig. 4 is that the A-A of Fig. 3 is to cross-sectional schematic.
Fig. 5 is that syringe of the present invention is protected expansion sliding sleeve another side view.
Fig. 6 is the forward and backward locking rotating vane chip architecture sketch map of syringe of the present invention.
Fig. 7 is a syringe of the present invention structural representation in use.
Fig. 8 is the structural representation of syringe of the present invention when resetting.
See also shown in Figure 1ly, syringe of the present invention comprises entry needle 1, syringe 2, push rod 3, and entry needle 1 is connected in the front end of syringe 2 by needle stand 11, and push rod 3 is positioned at syringe 2.This syringe also comprises tubular protection sliding sleeve 4, fixed mount 5, preceding locking rotating vane sheet 6, back locking rotating vane sheet 7, spring 8, section 41,42 before and after sliding sleeve 4 is divided into, back segment 42 is tubular and is placed on the syringe 2, back segment 42 can be on syringe 2 axial slip.Leading portion 41 is a closing in shape.Fixed mount 5 is installed on the needle stand 11, locking rotating vane sheet 6 and back locking rotating vane sheet 7 before on fixed mount 5, being with, and spring 8 one ends and fixed mount 5 offset, and the other end offsets with the top of the leading portion 41 of protection sliding sleeve, and entry needle 1 passes spring 8.
Shown in Fig. 2 (this figure is that analyse and observe the another side), fixed mount 5 contains fixed mount body 51, fracture handle 52, and fracture handle 52 1 ends 54 link to each other with fixed mount body 51, and the other end is protruding handle 53.
Again in conjunction with shown in Figure 5, have the elongated slot 43 that the protruding handle 53 for the fracture handle moves forward and backward on the protection sliding sleeve 4.
Please continue to consult Fig. 1 and in conjunction with Fig. 3, Fig. 4, protect the inwall of sliding sleeve 4 to offer two relative leads 44,45, lead 44,45 is positioned at elongated slot 43 both sides.
Protection sliding sleeve back segment 42 two ends are respectively equipped with pin 48,49.
See also shown in Figure 6ly, preceding locking rotating vane sheet 6 is for being the ellipticity with centre bore 61, and the major axis edge of preceding locking rotating vane sheet 6 all respectively has the groove 62,63 that can be sticked in protection sliding sleeve inwall lead 44,45.The structure of back locking rotating vane sheet 7 and the structure of preceding locking rotating vane sheet 6 are identical.Also be provided with a torsion spring 64 structures on the front and back locking blade-rotating sheet 6,7, an end and the fixed mount 5 of this torsion spring 64 lean.
Described protection sliding sleeve 4, fixed mount 5, preceding locking rotating vane sheet 6, the 7 equal injection mo(u)ldings of back locking rotating vane sheet.
When needs use syringe of the present invention, as long as syringe 2 directions of sliding sleeve 4 to syringe are promoted, make entry needle 1 expose sliding sleeve 4 (see figure 7)s, compress spring 8 simultaneously, when sliding sleeve 4 slide rearwardly to certain position, preceding locking rotating vane sheet 6 enters sliding sleeve lock slots 46, and at this moment, 6 of rotating vane sheets are in and break away from lead 44,45 positions, preceding locking rotating vane sheet 6 is angle of rotation automatically, because the effect of pin 48, this angle can only be in certain scope, with sliding sleeve 4 lockings.After injection operation finishes; press the protruding handle 53 of fracture handle 52 1 ends in the fixed mount 5 backward; the other end 54 that links to each other with body 51 (extremely thin and easily broken) of handle 52 is ruptured with body 51; entry needle 1 fracture; owing to be subjected to the effect of spring 8, protection sliding sleeve 4 (see figure 8) that automatically resets, then back locking rotating vane sheet 7 moves along lead 44,45 again; and making back locking rotating vane sheet 7 enter back lock slots 47, sliding sleeve 4 puts entry needle 1 again.
This shows that syringe of the present invention is compared with existing entry needle on the market, its guarantees that syringe can only disposablely use, and has stopped repeated use, has avoided the pathogen infection.Simultaneously, it also reduces and eliminates by stabbing of causing carelessly, has safety, easy to operate, with low cost characteristics.
Design of the present invention also can be used for syringe needle that hanging point drips or similar injector for medical purpose, and the entry needle or the syringe of the similar protector of under this invention's idea all and design ought to belong to protection scope of the present invention.
Claims (7)
1. syringe with safe protective slide sleeve; this syringe comprises entry needle; syringe; push rod; entry needle is connected in the front end of syringe by needle stand; push rod is positioned at syringe; it is characterized in that: this syringe also comprises tubular protection sliding sleeve; fixed mount; preceding locking rotating vane sheet; back locking rotating vane sheet; spring; section before and after sliding sleeve is divided into; back segment is tubular and is placed on the syringe; leading portion is a closing in shape; fixed mount is installed on the needle stand, locking rotating vane sheet and back locking rotating vane sheet before on fixed mount, being with, and spring one end and fixed mount offset; the other end offsets with the leading portion of protection sliding sleeve, and entry needle passes spring.
2. according to the described syringe with safe protective slide sleeve of claim 1, it is characterized in that: described fixed mount contains fixed mount body, fracture handle, and fracture handle one end links to each other with the fixed mount body, and the other end is protruding handle; Have the elongated slot that moves of protruding handle on the described protection sliding sleeve for the fracture handle.
3. the syringe with safe protective slide sleeve according to claim 2 is characterized in that: described protection sliding sleeve inwall offers two relative leads, and lead is positioned at the elongated slot both sides.
4. according to claim 2 or 3 described syringes, it is characterized in that: lock slots and back lock slots before described protection sliding sleeve back segment two ends inwall is offered respectively with safe protective slide sleeve.
5. the syringe with safe protective slide sleeve according to claim 4 is characterized in that: described protection sliding sleeve back segment two ends are respectively equipped with pin.
6. the syringe with safe protective slide sleeve according to claim 1; it is characterized in that: describedly go up, back locking rotating vane sheet is the ellipticity with centre bore, go up, the major axis edge of back locking rotating vane sheet all respectively has the groove that can be sticked in protection sliding sleeve inwall lead.
7. the syringe with safe protective slide sleeve according to claim 1 is characterized in that: described protection sliding sleeve, fixed mount, preceding locking rotating vane sheet, the equal injection mo(u)lding of back locking rotating vane sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01113478 CN1391959A (en) | 2001-06-20 | 2001-06-20 | Syringe with safe protective slide sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01113478 CN1391959A (en) | 2001-06-20 | 2001-06-20 | Syringe with safe protective slide sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1391959A true CN1391959A (en) | 2003-01-22 |
Family
ID=4660202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01113478 Pending CN1391959A (en) | 2001-06-20 | 2001-06-20 | Syringe with safe protective slide sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1391959A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004091698A1 (en) * | 2003-04-18 | 2004-10-28 | Xiping Wang | Safety syringe |
| WO2005102422A1 (en) * | 2004-04-20 | 2005-11-03 | Yitian Qian | A disposable safety protection device for medical needles |
| WO2011041939A1 (en) * | 2009-10-09 | 2011-04-14 | 无锡市宇寿医疗器械有限公司 | Safe self-destruction syringe with puncture proof protective sleeve |
| CN106901488A (en) * | 2017-04-19 | 2017-06-30 | 金瑾 | Safeguard structure in cup rack |
| CN106901487A (en) * | 2017-04-19 | 2017-06-30 | 金瑾 | A kind of outdoor cup rack |
| CN107320143A (en) * | 2017-07-02 | 2017-11-07 | 成都智慧鑫艺工业产品设计有限公司 | A kind of surgery needle holder with protection device |
-
2001
- 2001-06-20 CN CN 01113478 patent/CN1391959A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004091698A1 (en) * | 2003-04-18 | 2004-10-28 | Xiping Wang | Safety syringe |
| US7282042B2 (en) | 2003-04-18 | 2007-10-16 | Xiping Wang | Safety syringe |
| WO2005102422A1 (en) * | 2004-04-20 | 2005-11-03 | Yitian Qian | A disposable safety protection device for medical needles |
| WO2011041939A1 (en) * | 2009-10-09 | 2011-04-14 | 无锡市宇寿医疗器械有限公司 | Safe self-destruction syringe with puncture proof protective sleeve |
| CN106901488A (en) * | 2017-04-19 | 2017-06-30 | 金瑾 | Safeguard structure in cup rack |
| CN106901487A (en) * | 2017-04-19 | 2017-06-30 | 金瑾 | A kind of outdoor cup rack |
| CN106901487B (en) * | 2017-04-19 | 2018-11-23 | 江苏信谊户外家具有限公司 | A kind of cup rack of open air |
| CN107320143A (en) * | 2017-07-02 | 2017-11-07 | 成都智慧鑫艺工业产品设计有限公司 | A kind of surgery needle holder with protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |