CN1907511A - Disposable self-destroyed syringe - Google Patents
Disposable self-destroyed syringe Download PDFInfo
- Publication number
- CN1907511A CN1907511A CN 200610053044 CN200610053044A CN1907511A CN 1907511 A CN1907511 A CN 1907511A CN 200610053044 CN200610053044 CN 200610053044 CN 200610053044 A CN200610053044 A CN 200610053044A CN 1907511 A CN1907511 A CN 1907511A
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- CN
- China
- Prior art keywords
- syringe
- push rod
- card
- core
- thrust block
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 230000037237 body shape Effects 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 abstract 3
- 239000007788 liquid Substances 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a one-time destruct ejector, which comprises a hollow syringe, a pushing rod, and a plug mounted at the front end of pushing rod, wherein the top of syringe has a syringe needle base; the front end of pushing rod has a clamp core; the clamp core can block the inner chamber of syringe needle base. And it is characterized in that: the syringe needle base is integrated with the syringe base; the front end of syringe has a support base; the support base is over matched to the side wall of syringe; the support base has a flexible claw; the clamp core has a taper table clamped with the flexible claw. And the inventive syringe needle base is integrated with the syringe, to reduce the cost; the flexible claw is clamped with the clamp core; the pushing rod will be out when being drawn out; and the support base has simple structure.
Description
Technical field
The invention belongs to a kind of medical apparatus, belong to a kind of disposable self-destruction syringe particularly.
Background technology
Syringe is that an indispensable apparatus is gone up in medical treatment, for avoiding the blood cross infection, present syringe all adopts disposable product, but this disposable syringe, if inartificial damages, can reuse, cause cross infection in order not make existing disposable syringe be repeated to utilize, spread disease, have many re-use preventing once-used syringes just to arise at the historic moment.The puncture draw point for example is set in syringe, after syringe is finished, draw point can pierce through the housing of syringe, destroys its sealing, scraps after syringe is once used, but still have reusable probability after this syringe shutoff perforation, its safety is not high, the complex structure of syringe in addition, and mould is difficult to offer, production cost is higher, is not easy to produce in batches.
Summary of the invention
Technical problem to be solved by this invention is: a kind of Single-Use Auto-Disable Syringes is provided, and the structure of this syringe is more reasonable simple, and mould is offered, assembles more convenient, and thoroughly self-destruction.
In order to solve the problems of the technologies described above, the present invention is by the following technical solutions: a kind of Single-Use Auto-Disable Syringes, comprise a hollow barrel, push rod and be installed in the plug of push rod front end, the top of syringe forms a needle holder, the push rod front end is provided with a core of the card, the core of the card can stop up described needle holder inner chamber, and it is characterized in that: described needle holder and syringe are injection molded into one; Described syringe front end is provided with a supporting seat, supporting seat and syringe medial wall interference fit; Form an elastic pawl on the described supporting seat; Form a frustum that can fasten with elastic pawl on the described the core of the card.
By above technical scheme as can be known: needle holder of the present invention and syringe are injection molded into one, have reduced production cost; Elastic pawl is firm with engaging of the core of the card, can not break away from during the push rod pumpback; Supporting seat simple in structure assembled more convenient.
In order to solve the problems of the technologies described above, the present invention adopts following further technical scheme: form a circle groove on the described syringe front end medial wall, the supporting seat outer upper end forms the circle flange with the groove tabling.Adopt after this structure and be easy to install and fix between the supporting seat and syringe.
Form a circle boss below the groove on the described syringe, the lower end, the outside of supporting seat presses mutually with the boss on the syringe.After adopting this structure, make the fixing more reliable of supporting seat.
Described the core of the card and push rod are injection molded into one.The core of the card and push rod are injection molded into one, and the processing technology of syringe can be simplified, and reduce production costs.
Described push rod is provided with some easy breakpoints.After being provided with easy breakpoint, after having injected, push rod is backward during withdrawing, can break or fractures along described easy breakpoint, reaches the purpose of thorough self-destruction.
The bottom of described push rod is provided with a thrust block, correspondingly the push rod bottom is provided with the through hole that this thrust block is installed, and thrust block and through-hole wall are connected as a single entity with two easy breakpoints and an end points and push rod, and thrust block rotates along end points, respectively be provided with rib on the two side of described through hole, the mid portion protuberance of rib.After this thrust block is installed, can prevent from before transportation and drawing liquid body, to shift to an earlier date self-destruction because of maloperation makes syringe.
In order to solve the problems of the technologies described above, the present invention adopts following another kind of technical scheme: a kind of Single-Use Auto-Disable Syringes, comprise a hollow barrel, push rod and be installed in the plug of push rod front end, the top of syringe forms a needle holder, the push rod front end is provided with a core of the card, the core of the card can stop up described needle holder inner chamber, and it is characterized in that: described needle holder and syringe are injection molded into one; Form circle boss rank on the medial wall of described syringe front end and needle holder junction; Be with the metallic elastic clamping piece on the described the core of the card, form the metallic elastic card on the metallic elastic clamping piece; Form a frustum that can fasten with the metallic elastic card on the described the core of the card.
By above scheme as can be known: needle holder of the present invention and syringe are injection molded into one, have reduced production cost; The metallic elastic card is firm with engaging of the core of the card, can not break away from during the push rod pumpback; Metallic elastic clamping piece simple in structure assembled more convenient.
In order to solve the problems of the technologies described above, another kind of technical scheme of the present invention is also done following further improvement:
Described metallic elastic clamping piece body shape is a hollow truncated cone, the metallic elastic card along the cone surface to both end extension.After adopting this structure: make the metallic elastic card than circle boss rank of molding on the medial wall that is easier to pass syringe front end and needle holder junction.
Described the core of the card and push rod are separable.After having injected, push rod during withdrawing, firmly pulls down push rod backward, and push rod is separated with the core of the card, and breaks away from plug, the core of the card is broken can't come out in syringe, reaches thorough self-destruction.
Description of drawings
Fig. 1, be the cutaway view of syringe unused state among the embodiment 1;
Fig. 2, be the finish cutaway view of state of syringe drawing liquid among the embodiment 1;
Fig. 3, liquid finishes, the cutaway view of the self-destruction first step for syringe among the embodiment 1 pushes away;
Fig. 4, the cutaway view that finishes for syringe self-destruction among the embodiment 1;
Fig. 5, be the cutaway view of injector syringe among the embodiment 1;
Fig. 6, be the cutaway view of syringe supporting seat among the embodiment 1;
Fig. 7, be the vertical view of syringe supporting seat among the embodiment 1;
Fig. 8, be the structural representation of injector push-rod among the embodiment 1;
Fig. 9, be that the A-A of Fig. 8 is to cutaway view;
Figure 10, be that the K of Fig. 8 is to view;
Figure 11, be the partial enlarged view of Fig. 1;
Figure 12, be the cutaway view of syringe unused state among the embodiment 2;
Figure 13, be the finish cutaway view of state of syringe drawing liquid among the embodiment 2;
Figure 14, liquid finishes, the cutaway view of the self-destruction first step for syringe among the embodiment 2 pushes away;
Figure 15, the cutaway view that finishes for syringe self-destruction among the embodiment 2;
Figure 16, be the cutaway view of injector syringe among the embodiment 2;
Figure 17, be injector push-rod and the core of the card decomposition texture sketch map among the embodiment 2;
Figure 18, be the structural representation of syringe metallic elastic clamping piece among the embodiment 2;
Figure 19, be the partial enlarged view of Figure 12.
The specific embodiment
Embodiment 1:
Referring to Fig. 1, Figure 11, the present invention includes syringe 1, push rod 2, be installed in plug 3, needle holder 4, supporting seat 5, the core of the card 6 of push rod 2 front ends, push rod 2 front ends are provided with the core of the card 6, and the front end of syringe 1 is provided with supporting seat 5, and supporting seat 5 is an interference fit with syringe 1 medial wall.
Referring to Fig. 5, the top of syringe 1 forms a needle holder 4, and needle holder 4 is injection molded into one with syringe 1, forms a circle groove 111 on the syringe 1 front end medial wall, forms a circle boss 112 below the groove 111.
Referring to Fig. 6, Fig. 7, supporting seat 5 outer upper end form a circle flange 511, groove 111 tablings on this flange 511 and the syringe 1, lower end, supporting seat 5 outside presses mutually with boss 112 on the syringe 1, supporting seat 5 is positioned at syringe 1 front end, supporting seat 5 inner top side form elastic pawl 512, and elastic pawl 512 quantity are at least two.
Referring to Fig. 8, Fig. 9, Figure 10, push rod 2 front ends are provided with the core of the card 6, and the core of the card 6 is injection molded into one with push rod 2; Its head forms a frustum 611, this structure can make frustum 611 be easy to pass elastic pawl 512, when push rod 2 inwardly pushes away liquid, the core of the card 6 just enters in the elastic pawl 512, last elastic pawl 512 props up the lower surface of frustum 611, and the core of the card 6 can not be drawn back, and the core of the card 6 is stuck, the core of the card 6 can stop up described needle holder 4 inner chambers, finishes the self-destruction first step.
Push rod 2 is provided with some easy breakpoints, and present embodiment is provided with three easy breakpoint A, B, C, when injection finishes rear push-rod 2 backward during withdrawing, can break along described easy breakpoint, thereby described push rod 2 can't be reused, and reaches the purpose of thorough self-destruction.
The bottom of push rod 2 is provided with a thrust block 7, correspondingly push rod 2 bottoms are provided with the through hole 8 that this thrust block 7 is installed, thrust block 7 is connected as a single entity with push rod 2 with two easy breakpoints 9 and an end points 10 with through hole 8 inwalls, thrust block 7 rotates along end points 10, respectively be provided with rib 11 on the two side of described through hole 8, the mid portion protuberance of rib 11, before pushing away liquid, easily promote described thrust block 7 with external force, thrust block 7 can be rotated along end points 10, the easy breakpoint 9 on top is disconnected, and the lateral wall of described thrust block 7 embeds through hole 8, after the lateral wall of thrust block 7 embeds through hole 8, thrust block 7 just in time is embedded between two ribs, 11 bumps, make thrust block 7 and rib 11 interference fit, thrust block 7 is fixing, and thrust block 7 can not skid off through hole 8.This thrust block 7 can prop up syringe 1 bottom, prevents to push in the described elastic pawl 512 because of maloperation misses described the core of the card 6 before transportation and drawing liquid body, makes syringe shift to an earlier date self-destruction.
Referring to Fig. 1,2,3,4, the present invention in use, at first, as shown in Figure 1, when syringe was not used, the core of the card 6 did not pass elastic pawl 512, simultaneously for to prevent that the thrust block 17 of maloperation from propping up syringe 1 bottom.Subsequently as shown in Figure 2, when finishing for drawing liquid, at this moment, removed outer sheath 411 of syringe needle and the sheath 211 on the push rod 2, the lateral wall of thrust block 7 is embedded into through hole 8.As shown in Figure 3, push away liquid and finish this moment, and the frustum 611 of described the core of the card 6 will pass described elastic pawl 512, elastic pawl 512 is engaged with frustum 611, thereby hinder the core of the card 6 toward swivel motion, the core of the card 6 stops up the inner chamber of needle holder 4, can not reuse, finish the self-destruction first step.As shown in Figure 4, self-destruction this moment finishes, and firmly push rod 2 is broken, and makes the head of push rod 2, breaks and can't come out in syringe 1, prevents to change push rod 2 and plug 3 reuses, and reaches thorough self-destruction.
Embodiment 2:
Referring to Figure 12, Figure 19, comprise syringe 1, push rod 2, plug 3, needle holder 4, metallic elastic clamping piece 5 ', the core of the card 6, metallic elastic clamping piece 5 ' be enclosed within on the core of the card 6.
Referring to Figure 16, the top of syringe 1 forms a needle holder 4, and needle holder 4 is injection molded into one with syringe 1, forms circle boss rank 113 on the medial wall of syringe 1 front end and needle holder 4 junctions, and these boss rank 113 are equivalent to the supporting seat 5 among the embodiment 1.
Referring to Figure 17, push rod 2 front ends are provided with the core of the card 6, and the core of the card 6 fastens with push rod 2, and at this moment said engaging is not stuck, and both are as long as firmly one draw promptly separablely, and promptly the core of the card 6 is separable with push rod 2, and the core of the card 6 heads form a frustum 611.
The bottom of push rod 2 is provided with behind the thrust block 7, and the structure of this thrust block 7 is identical with embodiment 1, no longer repeats herein.
Referring to Figure 18, metallic elastic clamping piece 5 ' make by metal material, its body shape is a hollow truncated cone, metallic elastic clamping piece 5 ' on form metallic elastic card 513, metallic elastic card 513 along the cone surface to both end extension, metallic elastic card 513 quantity are at least two, this metallic elastic card 513 is equivalent to the elastic pawl 512 among the embodiment 1, after pushing away liquid and finishing, the core of the card 6 passes the boss rank 113 of syringe 1 front end and needle holder 4 junctions, metallic elastic card 513 lower ends are propped up by these boss rank 113, the upper end is blocked spacing by frustum 611, the core of the card 6 can not be drawn back, and the core of the card 6 is stuck, and the core of the card 6 can stop up needle holder 4 inner chambers.
Referring to Figure 12,13,14,15, at first, as shown in figure 12, when syringe was not used, the core of the card 6 did not pass the boss rank 113 of syringe 1 front end and needle holder 4 junctions, simultaneously for to prevent that the thrust block 7 of maloperation from propping up syringe 1 bottom.Subsequently as shown in figure 13, when finishing for drawing liquid, at this moment, removed outer sheath 411 of syringe needle and the sheath 211 on the push rod 2, the lateral wall of thrust block 7 is embedded into through hole 8.As shown in figure 14, push away liquid finish this moment, described the core of the card 6 will pass boss rank 113, metallic elastic card 512 fastens with boss rank 113, thereby hinders the core of the card 6 toward swivel motions.The core of the card 6 stops up the inner chamber of needle holder 4, can not reuse, and finishes the self-destruction first step.As shown in figure 15, self-destruction this moment finishes, and firmly push rod 2 is pulled down, and push rod 2 is separated with the core of the card 6, and with plug 3 disengagings, the core of the card 6 is broken in syringe 1, can't come out, prevent to change push rod 2 and plug 3 reuses, reach thorough self-destruction.
Claims (10)
1, a kind of Single-Use Auto-Disable Syringes, comprise a hollow barrel (1), push rod (2) and be installed in the plug (3) of push rod (2) front end, the top of syringe (1) forms a needle holder (4), push rod (2) front end is provided with a core of the card (6), the core of the card (6) can stop up described needle holder (4) inner chamber, it is characterized in that:
A: described needle holder (4) is injection molded into one with syringe (1);
B: described syringe (1) front end is provided with a supporting seat (5), supporting seat (5) and syringe (1) medial wall interference fit;
C: form an elastic pawl (512) on the described supporting seat (5);
D: form on the described the core of the card (6) one can with elastic pawl (512 frustums that fasten (611).
2, a kind of Single-Use Auto-Disable Syringes as claimed in claim 1, it is characterized in that: (form a circle groove (111) on the 10 front end medial walls, supporting seat (5) outer upper end forms the circle flange (511) with groove (111) tabling to described syringe.
3, a kind of Single-Use Auto-Disable Syringes as claimed in claim 2, it is characterized in that: form a circle boss (112) below the groove (111) on the described syringe (1), lower end, supporting seat (5) outside presses mutually with boss (112) on the syringe (1).
4, a kind of Single-Use Auto-Disable Syringes as claimed in claim 1 or 2 is characterized in that: described the core of the card (6) is injection molded into one with push rod (2).
5, a kind of Single-Use Auto-Disable Syringes as claimed in claim 1 or 2 is characterized in that: described push rod (2) is provided with some easy breakpoints.
6, a kind of Single-Use Auto-Disable Syringes as claimed in claim 1 or 2, it is characterized in that: the bottom of described push rod (2) is provided with a thrust block (7), correspondingly push rod (2) bottom is provided with the through hole (8) that this thrust block (7) is installed, thrust block (7) is connected as a single entity with push rod (2) with two easy breakpoints (9) and an end points (10) with through hole (8) inwall, thrust block (7) rotates along end points (10), respectively be provided with rib (11) on the two side of described through hole (8), the mid portion protuberance of rib (11).
7, a kind of Single-Use Auto-Disable Syringes, comprise a hollow barrel (1), push rod (2) and be installed in the plug (3) of push rod (2) front end, the top of syringe (1) forms a needle holder (4), push rod (2) front end is provided with a core of the card (6), the core of the card (6) can stop up described needle holder (4) inner chamber, it is characterized in that:
A: described needle holder (4) is injection molded into one with syringe (1);
B: form circle boss rank (113) on the medial wall of described syringe (1) front end and needle holder (4) junction;
C: be with metallic elastic clamping piece (5 ') on the described the core of the card (6), form metallic elastic card (513) on the metallic elastic clamping piece (5 ');
D: form on the described the core of the card (6) one can with metallic elastic card (513 frustums that fasten (611).
8, a kind of Single-Use Auto-Disable Syringes as claimed in claim 7 is characterized in that: described metallic elastic clamping piece (5 ') body shape is a hollow truncated cone, metallic elastic card (513) along the cone surface to both end extension.
9, as claim 7 or 8 described a kind of Single-Use Auto-Disable Syringes, it is characterized in that: described the core of the card (6) is separable with push rod (2).
10, as claim 7 or 8 described a kind of Single-Use Auto-Disable Syringes, it is characterized in that: the bottom of described push rod (2) is provided with a thrust block (7), correspondingly push rod (2) bottom is provided with the through hole (8) that this thrust block (7) is installed, thrust block (7) is connected as a single entity with push rod (2) with two easy breakpoints (9) and an end points (10) with through hole (8) inwall, thrust block (7) rotates along end points (10), respectively be provided with rib (11) on the two side of described through hole (8), the mid portion protuberance of rib (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100530446A CN100471533C (en) | 2006-08-14 | 2006-08-14 | Disposable self-destroyed syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100530446A CN100471533C (en) | 2006-08-14 | 2006-08-14 | Disposable self-destroyed syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1907511A true CN1907511A (en) | 2007-02-07 |
| CN100471533C CN100471533C (en) | 2009-03-25 |
Family
ID=37698847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100530446A Active CN100471533C (en) | 2006-08-14 | 2006-08-14 | Disposable self-destroyed syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100471533C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100450560C (en) * | 2007-02-12 | 2009-01-14 | 林作钱 | Self-destroying insulin injector |
| CN101444649B (en) * | 2008-12-30 | 2011-01-12 | 林作钱 | Low-residual safe self-destructing injector |
| CN103083762A (en) * | 2011-11-07 | 2013-05-08 | 陈卓英 | Safety syringe |
| CN109350806A (en) * | 2018-12-13 | 2019-02-19 | 河南曙光汇知康生物科技股份有限公司 | A kind of disposable safety self-breaking injector |
-
2006
- 2006-08-14 CN CNB2006100530446A patent/CN100471533C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100450560C (en) * | 2007-02-12 | 2009-01-14 | 林作钱 | Self-destroying insulin injector |
| CN101444649B (en) * | 2008-12-30 | 2011-01-12 | 林作钱 | Low-residual safe self-destructing injector |
| CN103083762A (en) * | 2011-11-07 | 2013-05-08 | 陈卓英 | Safety syringe |
| CN103083762B (en) * | 2011-11-07 | 2015-02-25 | 陈卓英 | Safety syringe |
| CN109350806A (en) * | 2018-12-13 | 2019-02-19 | 河南曙光汇知康生物科技股份有限公司 | A kind of disposable safety self-breaking injector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100471533C (en) | 2009-03-25 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI MENGLI INTERNATIONAL TRADE CO., LTD. Free format text: FORMER OWNER: LIN ZUOQIAN Effective date: 20150505 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317513 TAIZHOU, ZHEJIANG PROVINCE TO: 200120 PUDONG NEW AREA, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150505 Address after: 200120 room 58, 2202 Liu long road, Shanghai, Pudong New Area Patentee after: Shanghai Sol-Millennium Medical Products Co., Ltd. Address before: 317513, Zhejiang City, Wenling Province town of stone industry zone launched Wenling plastic mold factory Patentee before: Lin Zuoqian |