CN201612910U - Safe auto-destruction syringe with stabproof protective sleeve - Google Patents
Safe auto-destruction syringe with stabproof protective sleeve Download PDFInfo
- Publication number
- CN201612910U CN201612910U CN2009201797909U CN200920179790U CN201612910U CN 201612910 U CN201612910 U CN 201612910U CN 2009201797909 U CN2009201797909 U CN 2009201797909U CN 200920179790 U CN200920179790 U CN 200920179790U CN 201612910 U CN201612910 U CN 201612910U
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- CN
- China
- Prior art keywords
- protective sleeve
- stab protective
- stabproof
- changeover mechanism
- female luer
- 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 - Lifetime
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a safe auto-destruction syringe with a stabproof protective sleeve, mainly comprising a needle point protective sleeve (1), a needle point (2), a needle base (3), a stabproof protective sleeve (4), a switching machine member (5), a locking bayonet (6), a liquid-pushing cylinder outer sleeve (7), a core rod (8) and a sealing plug (9). The safe auto-destruction syringe is characterized in that the switching machine member (5) is positioned at the top end of the stabproof protective sleeve (4); the locking bayonet (6) is pushed into the stabproof protective sleeve (4); the contact surface of the locking bayonet (6) and the stabproof protective sleeve (4) are tightly matched, adhered or welded; then an assembled liquid-pushing cylinder is arranged in the protective sleeve (4); a lug (16) on the switching machine member is rotatably meshed with a Luer joint (10) sheathed outside of the liquid-pushing cylinder; at the moment, the conventional syringe needle is screwed on a standard locking joint (13) in the switching machine member (5); when in use, a pressing handle (19) is supported, the core rod is pulled and pushed backward to carry out medicine absorption, air exhaust and liquid medicine injection; and after injection is finished, one hand holds the stabproof protective sleeve, the other hand directly pulls the pressing handle (19) to pull the syringe needle, the switching machine member and the liquid pushing cylinder together into the locking bayonet (6) for being completely locked, and if the Luer joint (10) needs to be separated from the switching machine member, the liquid pushing cylinder outer sleeve is grasped to rotate, and the separation can be realized.
Description
Technical field
This utility model relates to a kind of safety self-destructing syringe with anti-stab protective sleeve, can be locked in the anti-stab type syringe that can not be wounded by stabbing in the protective sleeve to the injection needle point after a kind of specifically medical worker uses, and belongs to medical treatment consumptive materials.
Background technology
Current, domestic and international medical institutions, the still common disposable syringe that hospital and individual extensively use mostly, the back needle point of finishing using exposes, as easy as rolling off a logly stab medical worker and recovery personnel, cause cross infection, thereby many safety self-destructing syringes have been designed both at home and abroad, be used for preventing that the syringe needle point that was used from stabbing, the needle point internal withdraw type is arranged, the patent No. is ZL200410092337.6 and my patent No. before is that the designed sliding sleeve of ZL200420121924.9 is split type, this two sliding sleeve Contiuum type that has structurally surmounted U.S. 5.338.310 patent, slip into its used needle point of protection in the embedding by protecting overcoat to take out forward after finishing using, but protective sleeve must not separate with syringe, strengthened the volume processing cost increase thereafter of antifouling case, can pull the protection overcoat with bigger power: 1, needle point still is exposed to; 2, the above protective sleeve finger of 5ml can enter in the cover by the hole at top and be wounded by stabbing; 3, its syringe is also reusable.The patent No. for ZL200410092337.6 design split type, its syringe finish using the back protective sleeve (sleeve) can draw cunning forward equally, make the injection needle point be locked in the seat in, syringe and protective sleeve (sleeve) are separable: 1, reduced the post processing cost; 2, each specifications and models finger can not enter in the sleeve, not that is to say and can be stabbed by mistake, but syringe separates back syringe itself still can be repeated to use with sleeve, my patent No. be ZL2004201219249 in the design of ZL200410092337.6 in addition improvement, changeover mechanism spare inner chamber on the junctor member 2 10 and the particular header 11 that pushes away on the fluid cylinder 5 are designed to non-international standard part respectively, thereby the two separates the back because head is nonstandard how not reproducible use.Though more than 3 improved that the medical worker thinks that this design concept is newer in clinical use, easy to use safe and reliable to the medical worker, but because long-time continuous is aspirated injection, because outer 13 linking and make each adjacent 13 in flakes in flakes of sleeve rear end by some circumferential distribution, the perforation in the company of formation hole 14, and some parallel reinforced ribs are arranged on outer wall, because design has in flakes 13, connect hole 14 and reinforced ribs, so cause the jagged fin that waits of sleeve rear end, use the back medical worker to do not feel like oneself over a long time, clinical worker proposes in addition, needle point needle stand after the injection and relay seat have all can not be locked in the part (ZL200410092337.6 and ZL200420121924.9), may understand sore and crude by finger when needle point is pulled out.
The utility model content
The purpose of this utility model is to provide a kind of safety self-destructing syringe with anti-stab protective sleeve, and it can satisfy the requirement of the clinical use of medical worker, improves the deficiency of ZL200410092337.6 and ZL200420121924.9:
1, it is outer smooth to solve its sleeve, and life-time service the medical worker can not taken place points pain, and finger takes place crude, prevents in the operating room that glove are scratched;
2, it is definitely locked to solve its needle point needle stand changeover mechanism spare of injecting.
In order to solve the problems of the technologies described above, this utility model is achieved through the following technical solutions:
A kind of safety self-destructing syringe with anti-stab protective sleeve, mainly by needle tip shield 1, needle point 2, needle stand 3, anti-stab protective sleeve 4, changeover mechanism spare 5, locking bayonet socket 6, push away fluid cylinder overcoat 7, core bar 8, sealing-plug 9 and form,
It is characterized in that: this needle point 2 is bonded in and puts this needle tip shield 1 on this needle stand 3 and be connected and be installed in this anti-stab protective sleeve 4 tops on this changeover mechanism spare 5 together; this locking bayonet socket 6 axially is enclosed within the connection that closely cooperates on this anti-stab protective sleeve 4; connection form is that adhesive connects; or sealing wire 17 places and anti-stab protective sleeve end face 12 ultra-sonic welded; putting sealing plug 9 by this core bar 8 then is positioned at together and has welded or the gluing anti-stab protective sleeve of going up this locking bayonet socket 6; till this pushes away female Luer 10 and this changeover mechanism spare 5 screwing hermetics on the fluid cylinder overcoat 7; in these changeover mechanism 5 back seat chambeies; the outer wall of changeover mechanism spare inner chamber 15 is provided with lug 16; this pushes away fluid cylinder overcoat 7 tops and is provided with this female Luer 10; rotate until closely cooperating by this lug 16 and this female Luer 10; 10 rotations of described lug 16 and this female Luer are meant until closely cooperating: this pushes away in screw thread on this female Luer 10 at fluid cylinder overcoat 7 tops and this changeover mechanism spare 5 and closely cooperates by rotating between this lug 16 on the cavity outer wall, also is provided with elasticity and colludes sheet 18.
The safety self-destructing syringe with anti-stab protective sleeve as previously discussed is characterized in that: described anti-stab protective sleeve 4 is the anti-stab protective sleeve of smooth rounding for its surface.
The safety self-destructing syringe with anti-stab protective sleeve as previously discussed is characterized in that: this pushes away, and this female Luer 10 cylindrical outer wall heads middle part is provided with the recessed edge of a circle on the fluid cylinder overcoat 7, matches with recessed edge in the convex edge.
The safety self-destructing syringe with anti-stab protective sleeve as previously discussed is characterized in that: sealing plug 9 is directly to be injection-moulded in this core bar 8.
Safety self-destructing syringe as previously discussed with anti-stab protective sleeve; it is characterized in that: described sealing-plug is meant to guaranteeing that this changeover mechanism spare 5 and this push away this female Luer 10 on the fluid cylinder 7 and connect the liquid residue in the hole between the latter two and meet international standard; the sealing-plug head designs slightly pointed cone, and the external diameter of cone can pass through the sealing-plug of the endoporus of female Luer 10 smoothly.
Solution one: owing to all designed in flakes on ZL200410092337.6 and its sleeve of ZL200420121924.9 and the overcoat protective sleeve; connect the hole reinforced ribs; so cause long-time use medical worker can point pain or point crude; or the possibility of scratching the operation cover; design is not designed in flakes any at anti-stab protective sleeve 4 (being sleeve, overcoat protective sleeve); connect the hole, reinforced ribs makes it the smooth rounding of anti-stab protective sleeve.
Solution two: because in the ZL200410092337.6 patent No.; on D place on the injection tube C and the relay seat 2 seat pillar hole, back 28 mutually assembling connect; owing to will pass through sterilization treatment after the syringe fractional pack seals; its sterilising temp is about 55 ℃; so expand with heat and contract with cold in the cooperation place; again through long-distance transport; there is the torrid areas in territory of use; cold district is also arranged; so the two junction can be become flexible; will to have certain tension just can enter the locking bayonet socket locked because the elasticity on the locking bayonet socket 6 is colluded sheet 18 when using the back pull; owing to loosening reason; therefore the possibility of locking bayonet socket can take place to be drawn into; needle point also can be deviate from the possibility that anti-stab protective sleeve can be stabbed human body; to be improved; present design is in changeover mechanism 5 back seat chambeies; design has lug 16 on the outer wall of changeover mechanism spare inner chamber 15; pushing away fluid cylinder overcoat top design is female Luer 10; rotate until closely cooperating by lug 16 and female Luer; owing to be that screw thread and lug rotation knot is joined; sterilization is heated or is transported for long-distance; the torrid zone; cold district all is not easy to take place loosening; needle point after injection finishes; needle stand changeover mechanism spare pulls back when taking out fully and can collude sheet by elasticity to enter the locking bayonet socket locked; the needle point anti-stab protective sleeve that comes off can not take place, and makes it safe and reliable.
Safety self-destructing syringe with anti-stab protective sleeve of the present utility model has following beneficial effect compared with prior art:
1, anti-stab protective sleeve (being sleeve, overcoat protective sleeve) is not provided with in flakes any, connect the hole, reinforced ribs makes the smooth rounding of anti-stab protective sleeve, therefore, even long-time the use, the medical worker can not point pain yet or point crudely, can not scratch surgical glove yet, therefore, has good practicability;
2, owing to use screw thread and lug rotation on the female Luer to closely cooperate, sterilization is heated or is transported for long-distance, the torrid zone, cold district all are not easy to take place loosening, finish back needle point, needle stand changeover mechanism spare of injection pulls back when taking out fully and can collude sheet by elasticity to enter the locking bayonet socket locked, the needle point anti-stab protective sleeve that comes off can not take place, make it safe and reliable, have good safety;
3, because the sealing-plug of sealing-plug or integrated injection molding all has conehead (as Fig. 7 and shown in Figure 11), make the medicinal liquid residual quantity meet international standard, can be used in domestic and international medical institutions widely, have good social benefit and economic benefit.
Description of drawings
Fig. 1 is the overall structure sketch map of the safety self-destructing syringe with anti-stab protective sleeve of the present utility model;
Fig. 2 is the part separation graph of above-mentioned safety self-destructing syringe;
Fig. 3 is the whole profile of changeover mechanism spare;
Fig. 4 is the whole profile of locking bayonet socket;
Fig. 5 is the whole profile of anti-stab protective sleeve;
Back needle point, needle stand, changeover mechanism spare are drawn into the sketch map that the locking bayonet socket is lockable to Fig. 6 for injection finishes;
Fig. 7 is the amplification profile of Fig. 6 A portion;
Fig. 8 is that needle point directly is bonded at the another kind of a whole set of separation graph on the changeover mechanism spare;
Fig. 9 directly is bonded at the profile of changeover mechanism spare for needle point;
Figure 10 be have a roundlet conehead sealing-plug directly and core bar be injection-moulded in together sketch map;
Figure 11 is a changeover mechanism spare and the sketch map that pushes away the another kind of style that fluid cylinder overcoat head is connected.
Wherein: 1 needle tip shield, 2 needle points, 3 needle stands, 4 anti-stab protective sleeves, 5 changeover mechanism spares, 6 locking bayonet sockets, 7 push away fluid cylinder overcoat, 8 core bars, 9 sealing-plugs, 10, female Luer, 11 anti-rotors, 12 anti-stab protective sleeve end faces, 13 standard locked joints, 14 convex edges, 15 changeover mechanism spare inner chambers, 16 lugs, 17 sealing wires, 18 elasticity and collude sheet, 19 and press hands.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Referring to accompanying drawing; this utility model is mainly by needle tip shield 1; needle point 2; needle stand 3; anti-stab protective sleeve 4; changeover mechanism spare 5; locking bayonet socket 6; push away fluid cylinder overcoat 7; core bar 8; sealing-plug 9 is formed; wherein; be positioned at anti-stab protective sleeve top by changeover mechanism spare 5; the locking bayonet socket pushes anti-stab protective sleeve; the two contact surface close-fitting is gluing or by sealing wire 17 and anti-stab protective sleeve end face 12 ultra-sonic welded; loading onto sealing-plug 9 by core bar 8 then is arranged in together and pushes away fluid cylinder overcoat 7; be arranged in anti-stab protective sleeve 4 gluing or welding more together; until this push away in fluid cylinder overcoat 7 head female Luer 10 and the changeover mechanism spare 5 changeover mechanism spare inner chamber 15 the two sting tightly by changeover mechanism spare upper lug 16 and the female thread rotation that pushes away fluid cylinder overcoat female Luer 10, the needle point 2 that bondd by needle stand 3 this moment packages needle tip shield and is spun on together on the standard locked joints 13 in the changeover mechanism spare 5.During use; pull up needle tip shield; the medical worker can be according to clinical demand simultaneously; a whole set of entry needle after the sterilization of replacing different size; withstand during use to pull back and push away core bar by hands 19 places; can inhale medicine and aerofluxus and liquid medicine injection according to routine operation; after injection finishes; can hold anti-stab protective sleeve on the other hand; another hands can directly be held to push away and press hands 19 places on the fluid cylinder overcoat 7 entry needle; needle stand; changeover mechanism spare colludes sheet 18 with core bar through elasticity and draws in locking together and locked fully in the bayonet socket 6; will be when changeover mechanism spare 5 inner chambers separate if push away on the fluid cylinder female Luer 10, catch to push away fluid cylinder overcoat 7 and rotated promptly separable.The two separates, and the back is many does not repeat to be used, and my prior art is not so heavily chat, and it is rational in infrastructure easy to use safe and reliable for this utility model, because the sealing-plug of sealing-plug or integrated injection molding all has conehead, the residual liquor amount meets international standard.
Another kind of pattern is that needle point 2 directly is bonded on this changeover mechanism part 5 heads, and as shown in Figure 9, the residual quantity of this style is minimum, can be used for precise injection.
Claims (5)
1. safety self-destructing syringe with anti-stab protective sleeve; mainly by needle tip shield (1), needle point (2), needle stand (3), anti-stab protective sleeve (4), changeover mechanism spare (5), locking bayonet socket (6), push away fluid cylinder overcoat (7), core bar (8), sealing-plug (9) and form
It is characterized in that: this needle point (2) is bonded in and puts this needle tip shield (1) on this needle stand (3) and be connected and be installed in this anti-stab protective sleeve (4) top on this changeover mechanism spare (5) together; this locking bayonet socket (6) axially is enclosed within the connection that closely cooperates on this anti-stab protective sleeve (4); connection form is that adhesive connects; or sealing wire (17) is located and anti-stab protective sleeve end face (12) ultra-sonic welded; putting sealing plug (9) by this core bar (8) then is positioned at together and has welded or the gluing anti-stab protective sleeve of going up this locking bayonet socket (6); till this pushes away female Luer (10) and this changeover mechanism spare (5) screwing hermetic on the fluid cylinder overcoat (7); in this changeover mechanism (5) back seat chamber; the outer wall of changeover mechanism spare inner chamber (15) is provided with lug (16); push away fluid cylinder overcoat top and be provided with female Luer (10); rotate until closely cooperating by this lug (16) and this female Luer (10); the rotation of this lug (16) and this female Luer (10) is meant until closely cooperating: push away in screw thread on the female Luer (10) at fluid cylinder overcoat top and the changeover mechanism spare closely cooperating by rotating between the lug (16) on the cavity outer wall, also be provided with elasticity and collude sheet (18).
2. the safety self-destructing syringe with anti-stab protective sleeve as claimed in claim 1,
It is characterized in that: described anti-stab protective sleeve (4) is the anti-stab protective sleeve of smooth rounding for its surface.
3. the safety self-destructing syringe with anti-stab protective sleeve as claimed in claim 1,
It is characterized in that: pushing away fluid cylinder overcoat (7) and upward be provided with the recessed edge of a circle in female Luer (10) cylindrical outer wall head middle part, matches with recessed edge in the convex edge.
4. the safety self-destructing syringe with anti-stab protective sleeve as claimed in claim 1,
It is characterized in that: sealing plug (9) is directly to be injection-moulded in this core bar (8).
5. the safety self-destructing syringe with anti-stab protective sleeve as claimed in claim 1,
It is characterized in that: described sealing-plug is meant to guaranteeing that this changeover mechanism spare (5) and this push away fluid cylinder (7) and go up this female Luer (10) and connect the liquid residue in the hole between the latter two and meet international standard, the sealing-plug head is provided with sharp cone, and the external diameter of cone can pass through the sealing-plug of the endoporus of female Luer (10) smoothly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201797909U CN201612910U (en) | 2009-10-09 | 2009-10-09 | Safe auto-destruction syringe with stabproof protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201797909U CN201612910U (en) | 2009-10-09 | 2009-10-09 | Safe auto-destruction syringe with stabproof protective sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201612910U true CN201612910U (en) | 2010-10-27 |
Family
ID=42999282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201797909U Expired - Lifetime CN201612910U (en) | 2009-10-09 | 2009-10-09 | Safe auto-destruction syringe with stabproof protective sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201612910U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104288870A (en) * | 2014-10-28 | 2015-01-21 | 中国人民解放军第四军医大学 | Anti-puncture type injection tube |
-
2009
- 2009-10-09 CN CN2009201797909U patent/CN201612910U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104288870A (en) * | 2014-10-28 | 2015-01-21 | 中国人民解放军第四军医大学 | Anti-puncture type injection tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WUXI YUSHOU MEDICAL DEVICES CO., LTD. Free format text: FORMER NAME: WUXI YUSHOU MEDICAL APPARATUS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 214191, No. 215, Tin Road, Northeast Tong Town, Xishan District, Jiangsu, Wuxi Patentee after: Wuxi Yushou Medical Appliances Co., Ltd. Address before: 214191, No. 215, Tin Road, Northeast Tong Town, Xishan District, Jiangsu, Wuxi Patentee before: Wuxi Yushou Medical Apparatus Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214191, No. 215, Tin Road, Northeast Tong Town, Xishan District, Jiangsu, Wuxi Patentee after: Wuxi Yushou Medical Apparatus Co., Ltd. Address before: 214191, No. 215, Tin Road, Northeast Tong Town, Xishan District, Jiangsu, Wuxi Patentee before: Wuxi Yushou Medical Appliances Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101027 |
|
| CX01 | Expiry of patent term |