CN100425303C - Safe self-destruction syringe for medical purpose - Google Patents
Safe self-destruction syringe for medical purpose Download PDFInfo
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- CN100425303C CN100425303C CNB2006100490449A CN200610049044A CN100425303C CN 100425303 C CN100425303 C CN 100425303C CN B2006100490449 A CNB2006100490449 A CN B2006100490449A CN 200610049044 A CN200610049044 A CN 200610049044A CN 100425303 C CN100425303 C CN 100425303C
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- core bar
- seat
- boss
- groove
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- 210000000078 claw Anatomy 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000001802 infusion Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 208000030507 AIDS Diseases 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 208000012266 Needlestick injury Diseases 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000006454 hepatitis Diseases 0.000 description 1
- 231100000283 hepatitis Toxicity 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
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Abstract
The present invention discloses a safe self-destruction syringe for a medical purpose, which comprises a hollow needle cylinder, a snap coil, a needle seat and a core bar, wherein the head part of the core bar is provided with a rubber plug, and a circle of groove is arranged in the inner side of the head part of the needle cylinder. The top end of the core bar is provided with a boss of which the lower part is provided with an upper and a lower circular bosses, wherein an easy-breakpoint is arranged under the lower circular boss. The needle seat is composed of a separable cone seat and a supporting seat which is installed on the inner hole of the cone seat, wherein an O-shaped rubber ring is installed between the needle cylinder and the external circle of the cone seat body. The lower part of the cone seat is provided with two through grooves which are distributed relative to the central shaft symmetrically, and two bosses which are symmetrically distributed relative to the central shaft are arranged in the middle of the two through grooves; the bosses are engaged with the corresponding grooves on the needle cylinder, and a groove is arranged on the bottom of the inner hole of the cone seat. The front end of the supporting seat is provided with a plurality of elastic supporting claws capable of engaging with the bosses of the head part of the core bar, and the middle part of the outer side of the supporting seat is provided with a flange of which the diameter is equal to that of the inner hole groove of the cone seat. The end face of the flange is in clashing joint with the upper end face of the inner hole groove of the cone seat, and when axially moving to the lower dead point, the lower inclined end face of the flange is tightly attached to the lower end face of the groove in the cone seat. After the syringe provided by the present invention finishes the injection, the needle head can retract in the needle cylinder, and the self-destruction of the core bar can.
Description
Technical field
The present invention relates to a kind of injector for medical purpose, especially a kind of injection syringe needle that finishes can return back to safe self-destruction syringe for medical purpose in the syringe.
Background technology
Facts have proved of modern medicine, for avoiding to the input of the mankind or animal or cross infection takes place when taking out medium, hypodermic syringe must disposable use, is using later promptly as garbage disposal.Using at present maximum disposable syringes is one by the cavity syringe, syringe needle and the journey piston of deciding that is fitted in the syringe are formed, the existing greatest problem of this syringe is after injection finishes, its syringe needle still is trapped in the outside, sharp-pointed degree with respect to syringe needle, it not only is the carrying of syringe rubbish, destroying makes troubles, often take place because of the thing of stabbing the medical and nursing work personnel accidentally simultaneously, this the secondary cross infection of pathogenic bacteria just inevitably can occur, particularly be used to suffer from serious infectious disease (as acquired immune deficiency syndrome (AIDS) for those, hepatitis, SARS etc.) syringe of patient's use, the medical hidden danger that can not ignore especially, practice shows, the damage that the needle stick injuries that dangerous self-destruction needle set causes obviously causes more than other accidents.
Summary of the invention
The object of the present invention is to provide a kind of safe self-breaking syringe, injection finish the back syringe needle can in be reduced in the syringe, and can realize the self-destruction of core bar, fundamentally stopped the repeated use of syringe, also be convenient to the carrying of syringe rubbish simultaneously and destroy.
For achieving the above object, the present invention is by the following technical solutions:
A kind of safe self-destruction syringe for medical purpose, comprise a hollow barrel, one is installed in the screens circle of syringe bottom, one needle stand and that is installed in the syringe head is installed in the core bar in the syringe, the core bar head is installed a plug, it is characterized in that: the inner portion of described syringe is provided with a circle syringe groove, and the top of core bar is provided with core bar top boss, boss bottom, core bar top is provided with boss platform and following boss platform, wherein descend the boss platform below be provided with easy breakpoint; Described needle stand is made up of separable awl seat and the supporting seat that is installed in awl seat endoporus, wherein bore one " O " type cushion rubber is installed between seat body cylindrical and the syringe, the groove that awl seat bottom sets up two relative central shafts to be symmetrically distributed, and the awl seat lower boss of in the middle of two grooves, setting up two relative central shafts to be symmetrically distributed, awl seat lower boss and syringe groove fasten, and set up an awl seat inner groovy on the awl seat endoporus bottom; Described supporting seat front end is set up a plurality of elasticity support claws that can fasten with core bar top boss, the outer middle side part of supporting seat is provided with a supporting seat flange, the supporting seat lip diameter equates with awl seat inner groovy, the end face of supporting seat flange and awl seat inner groovy upper surface be butt mutually, and the following angled end-face of supporting seat flange fits tightly with the lower surface of awl seat inner groovy when moving axially to lower dead center.
The length of above-mentioned awl seat inner groovy cooperates section and supporting seat flange length sum greater than supporting seat top.
Center head structure or thread head structure are adopted in above-mentioned awl seat top, and both heads all adopt the standard Luer circular cone, and the general syringe needle of socket one strip steel pin.
Above-mentioned awl seat top is provided with a tiny through hole, the effective glue secure bond of through hole and draw point.
The middle part of above-mentioned awl seat forms the equally distributed a plurality of awl seat spline boss of circumference, and awl seat spline boss upper surface shape adopts R angle or acute angle; Form the equally distributed a plurality of syringe spline boss of circumference in the top of described syringe, syringe spline boss number equates and be meshed corresponding with it that with awl seat spline boss its bottom face is shaped as R angle or acute angle.
Above-mentioned syringe bottom inside forms upper groove, further groove and low groove, and groove and syringe inwall form the inclined-plane respectively.
The bottom of above-mentioned core bar is provided with a home block, set up three easy breakpoints between itself and the core bar, the shape of home block is superimposed together by a cylinder and thin slice, cylinder is on the top of thin slice, the outside of its side and thin slice makes the top ball of home block or the platform that the syringe bottom can be blocked in the face of cylinder on same line.
Above-mentioned core bar bottom molding one through hole is provided with one " T " font home block in the through hole, home block and through-hole wall are connected as a single entity with two easy breakpoints and an end points and core bar; The interior upper wall molding one circular arc shallow slot of through hole.
The top of above-mentioned screens circle forms a plurality of elasticity support claws, the elasticity support claw outside forms the inclined-plane, inner groovy inclined-plane bottom syringe fits respectively, elasticity support claw inner top side forms the R inclined-plane that can fit with the last boss platform interference of core bar, inside lower end form can be superimposed with the following boss platform of core bar the right angle table top; The outer middle side part of screens circle forms a screens circle outward flange, itself and the low groove axial sliding fit of syringe bottom, and screens circle outward flange bottom forms the right angle face, and the inner groovy inclined-plane bottom itself and the syringe fits; Screens circle middle inside forms screens circle inner convex platform, can fit with the lower surface of the following boss platform of core bar, and the boss decometer is died between the right angle table top of screens circle inner convex platform and elasticity support claw lower inside under the syringe self-destruction finishes the back core bar.
Above-mentioned syringe bottom upper groove matches with the length of further groove and the profile of screens circle, and the length of low groove is greater than the length of the screens circle outward flange that matches with it and the axial distance sum of upper groove.
It is one that needle stand among the present invention promptly engages with syringe behind the syringe of packing into collar, after liquid infusion finishes, core bar top boss is crossed supporting seat elasticity support claw and stuck by it, pull back core bar subsequently, core bar will drive supporting seat and move downward together, here, because of the length of boring the seat inner groovy cooperates section and supporting seat flange length sum greater than supporting seat top, this makes to have only supporting seat to bore the seat motion relatively when beginning, and awl seat maintenance itself is motionless, following angled end-face up to the supporting seat flange is moving axially to lower dead center and is fitting tightly with the lower surface of boring the seat inner groovy, at this moment, bore the groove that closely cooperates on disengaging of seat lower boss and the syringe, and under the drive of supporting seat, move to the syringe bottom.Corresponding the fastening of elasticity Convex chuck of the annular screens circle of the collar on core bar bottom being arranged on syringe, core bar can not be extracted out, can not before push away, the locked bottom to syringe of the head of core bar, this moment, whole syringe needle and needle stand were reduced to the syringe the inside in fully, realized the self-destruction of contracting in the syringe needle.Slightly firmly it is fractureed or break from core bar easily broken at last, the head of core bar is destroyed in syringe, realize the second step self-destruction of syringe.
In addition, " O " RunddichtringO of installing between the awl seat body outside and the syringe, make needle stand behind the syringe of packing into, guarantee to have good sealing function, simultaneously in order to prevent that needle stand rotates and brings misery to the patient when syringe uses, the middle part of awl seat forms the equally distributed a plurality of awls of a circumference spline boss, its with the syringe top in corresponding being meshed of syringe spline boss of molding.
In addition, the core bar bottom is provided with a home block, and the platform of syringe bottom can be blocked in the top ball of home block or the face of cylinder, plays position-limiting action in the transportation of syringe with before using, and can prevent self-destruction in advance.
Description of drawings
Fig. 1, planar structure cutaway view of the present invention;
The planar structure cutaway view of Fig. 2, syringe of the present invention;
The planar structure cutaway view of Fig. 3, core bar of the present invention;
Fig. 4, the present invention bore the planar structure cutaway view of seat;
Fig. 5, the present invention bore the planar structure cutaway view of second embodiment of seat;
Fig. 6, the present invention bore the planar structure cutaway view of the 3rd embodiment of seat;
The planar structure cutaway view of Fig. 7, supporting seat of the present invention;
The planar structure cutaway view of Fig. 8, screens circle of the present invention;
The planar structure cutaway view that Fig. 9, drawing liquid of the present invention finish;
The planar structure cutaway view that Figure 10, liquid infusion of the present invention finish;
Figure 11, the present invention begin the planar structure cutaway view of the self-destruction first step;
Figure 12, the present invention begin the self-destruction planar structure cutaway view in second step;
Figure 13, the present invention begin the self-destruction planar structure cutaway view in the 3rd step;
The planar structure cutaway view that Figure 14, self-destruction of the present invention finish;
The planar structure sketch map of second kind of embodiment of home block on Figure 15, the core bar of the present invention;
The perspective view at home block position among Figure 16, Figure 15 of the present invention.
The specific embodiment:
As illustrated in fig. 1 and 2, a kind of safe self-destruction syringe for medical purpose, comprise a hollow barrel 1, the needle stand and one that the one screens circle 3, that is installed in syringe 1 bottom is installed in syringe 1 head is installed in the core bar 2 in the syringe 1, and core bar 2 heads are installed a plug 7, the inner portion of described syringe 1 is provided with a circle syringe groove 12, syringe 1 bottom inside forms upper groove 13, and 15, three grooves of further groove 14 and low groove and syringe inwall form inclined-plane 131,141,151 respectively.
As shown in Figure 3, the top of core bar 2 is provided with core bar top boss 21; Core bar 2 tops are provided with boss platform 24 and following boss platform 25, wherein descend boss platform 25 below be provided with easy breakpoint 22; The bottom of core bar 2 is provided with a home block 23, set up three easy breakpoints 231 between itself and the core bar 2, need in use home block 23 is got rid of from easy breakpoint 231, the shape of home block 23 is superimposed together by a cylinder 232 and thin slice 233, cylinder 232 is on the top of thin slice 233, the outside of its side and thin slice 233 is on same line, make the top ball of home block 23 or the platform that syringe 1 bottom can be blocked in the face of cylinder, play position-limiting action in the transportation of syringe with before using, can prevent self-destruction in advance.Shown in Figure 15 and 16, for the another kind of core bar home block is implemented structure, promptly core bar bottom molding one through hole 24 ', be provided with in the through hole one " T " font home block 23 ', home block 23 ' with through-hole wall with two easy breakpoints 231 ' and end points 233 ' be connected as a single entity with core bar; Through hole 24 ' interior upper wall molding one circular arc shallow slot 234 '.Home block 23 before injection ' the platform of upper surface 232 ' can block syringe bottom, under external force can be when start injection with home block along end points 233 ' rotation, make the easy breakpoint 231 ' disconnection on top, with the lateral wall of home block snap in circular arc shallow slot 234 '.
Needle stand is made up of separable awl seat 5 and the supporting seat 6 that is installed in awl seat 5 endoporus, wherein between awl seat 5 body cylindricals and the syringe 1 one " O " type cushion rubber 8 is installed, and makes needle stand guarantee to have good sealing function behind the syringe of packing into.The center head structure can be adopted in awl seat 5 tops, as shown in Figure 4, or adopt the thread head structure, as shown in Figure 5, both heads all adopt standard Luer circular cone 56 (or 56 '), directly the general syringe needle 4 of socket one strip steel pin is convenient to the replacement of different size syringe needle, in addition, awl seat 5 tops also can straight forming one tiny through hole 57 structure, as shown in Figure 6, through hole 57 and draw point pipe 58 glue secure bond adopt the center head structure in the present embodiment.The groove 52 that awl seat 5 bottoms set up two relative central shafts to be symmetrically distributed, and the awl seat lower boss 54 of in the middle of two grooves 52, setting up two relative central shafts to be symmetrically distributed, awl seat lower boss 54 fastens with syringe groove 12, sets up an awl seat inner groovy 53 on the awl seat 5 endoporus bottom.
As shown in Figure 7, supporting seat 6 front ends are set up a plurality of elasticity support claws 61 that can fasten with the core bar top boss 21 of core bar 2 heads, supporting seat 6 outer middle side parts are provided with a supporting seat flange 62, supporting seat flange 62 diameters equate with awl seat endoporus groove 53, the end face 622 of supporting seat flange 62 and awl seat endoporus groove upper surface 532 be butt mutually, and the following angled end-face 621 of supporting seat flange fits tightly with the lower surface 531 of awl seat inner groovy 53 when moving axially to lower dead center.
Here, can break away from syringe groove 12 smoothly in order to guarantee awl seat lower boss 54, the length of awl seat inner groovy 53 cooperates section and supporting seat flange 62 length sums greater than supporting seat top.In addition, in order to prevent that needle stand rotates and brings misery to the patient when syringe uses, need to give the constraint that adds a circumference direction of rotation between awl seat 5 and the syringe 1, the structure that adopts the spline boss to be meshed among the present invention, form the equally distributed a plurality of awl seat spline boss 51 of circumference at the middle part of awl seat 5, this boss upper surface shape adopts R angle or acute angle; Form simultaneously the equally distributed a plurality of syringe spline boss 11 of circumference in the top of syringe 1, syringe spline boss 11 numbers equate and be meshed corresponding with it with awl seat spline boss 51, and boss 11 bottom faces are shaped as R angle or acute angle.
As shown in Figure 8, the top of screens circle 3 forms a plurality of elasticity support claws 34, elasticity support claw 34 outsides form inclined- plane 31,32, inner groovy inclined-plane 131,141 bottom syringe fits respectively, elasticity support claw 34 inner top side form the R inclined-plane 36 that can fit with last boss platform 24 interference of core bar 2, inside lower end form can be superimposed with the following boss platform 25 of core bar 2 right angle table top 341.Screens circle 3 outer middle side parts form a screens circle outward flange 35, low groove 15 axial sliding fits of itself and syringe bottom, and flange 35 bottoms form right angle face 33, and its inner groovy inclined-plane 151 bottom syringe fits.Screens circle 3 middle inside form screens circle inner convex platform 37, can fit with the lower surface of the following boss platform 25 of core bar 2, boss platform 25 is stuck between screens circle inner convex platform 37 and elasticity support claw right angle table top 341 under the syringe self-destruction finishes the back core bar, in order to guarantee core bar 2 stuck can finishing smoothly, syringe 1 bottom upper groove 13 matches with the length of further groove 14 and the profile of screens circle 3, and the length of low groove 15 is greater than the length of the screens circle outward flange 35 that matches with it and the axial distance sum of upper groove 13.
Shown in Fig. 1,9,10,11,12,13,14 and 15, be the whole use overall process of the present invention, wherein Fig. 1 is the cutaway view of unused state, the top ball of home block 23 or the platform that syringe 1 bottom is blocked on the face of cylinder play position-limiting action at this moment.The action diagram that Fig. 9 finishes for drawing liquid 231 got rid of home block 23 along easily broken place before injection with it, cancel spacing.As Figure 10,11,12,13 and 14 finish and the action diagram that finishes of self-destruction for liquid infusion, in the middle of this process, after liquid infusion finishes, the boss 21 at core bar top passes the elasticity support claw 61 of supporting seat and stuck with it, pull back core bar 2 subsequently, core bar 2 will drive supporting seat 6 and move downward together, here, because of the length of boring seat inner groovy 53 cooperates section and supporting seat flange 62 length sums greater than supporting seat 6 tops, this makes to have only supporting seat 6 awl seat 5 motions relatively when beginning, and awl seat 5 itself keeps motionless, following angled end-face 621 up to supporting seat flange 62 is moving axially to lower dead center and is fitting tightly with the lower surface 531 of boring seat inner groovy 53, at this moment, close-fitting syringe groove 12 on lower boss 54 disengagings of awl seat outer cone seat and the syringe 1, and under the drive of supporting seat 6, move to syringe 1 bottom.When the 2 times boss platforms of core bar 25 of rollback and the inner convex platform 37 of screens circle collide fashionable, continue to pull back core bar, because of the length of the low groove 15 of syringe 1 bottom endoporus greater than the length of the screens circle outward flange 35 that matches with it and the axial distance sum of upper groove 13, this makes screens circle outward flange 35 leave one section idle running when being mated, thereby make screens circle 3 with core bar 2 relative syringe 1 actions, each inclined-plane, the outside of screens circle 3 breaks away from associated syringe 1 inclined-plane gradually, stuck between screens circle right angle face 341 and inner convex platform 37 up to boss platform under the core bar 25, the top end face of screens this moment circle elasticity support claw 34 closely engages with the right angle end face 16 of the interior further groove 14 of syringe, make core bar 2 locked inside at syringe 1, can not advance and to pull out, this moment, whole syringe needle and needle stand were reduced to syringe 1 the inside in fully, realized the self-destruction of contracting in the syringe needle.Slightly firmly it is fractureed or break from easily broken 22 of core bar 2 at last, the head of core bar 2 is destroyed in syringe 2, realize core bar 2 self-destructions.
In a word, the present invention finishes the back retractable needle in syringe in injection, and can realize the self-destruction of core bar, the repeated use of fundamentally having stopped syringe, and the while also is convenient to the carrying of syringe rubbish and destroys.
Claims (10)
1, a kind of safe self-destruction syringe for medical purpose, comprise a hollow barrel (1), one is installed in the screens circle (3) of syringe bottom, one needle stand and that is installed in the syringe head is installed in the core bar (2) in the syringe, core bar (2) head is installed a plug (7), it is characterized in that: the inner portion of described syringe (1) is provided with a circle syringe groove (12), the top of core bar (2) is provided with core bar top boss (21), core bar top boss (21) bottom is provided with boss platform (24) and following boss platform (25), wherein descend boss platform (25) below be provided with easy breakpoint (22); Described needle stand is made up of separable awl seat (5) and the supporting seat (6) that is installed in an awl endoporus, wherein between awl seat (5) body cylindrical and the syringe (1) one " O " type cushion rubber (8) is installed, the groove (52) that awl seat (5) bottom sets up two relative central shafts to be symmetrically distributed, and the awl seat lower boss (54) of in the middle of two grooves, setting up two relative central shafts to be symmetrically distributed, awl seat lower boss (54) fastens with syringe groove (12), sets up an awl seat inner groovy (53) on the awl seat endoporus bottom; Described supporting seat (6) front end is set up a plurality of elasticity support claws (61) that can fasten with core bar top boss (21), the outer middle side part of supporting seat (6) is provided with a supporting seat flange (62), the supporting seat lip diameter equates with awl seat inner groovy (53), the end face of supporting seat flange (622) and awl seat inner groovy upper surface (532) be butt mutually, and the following angled end-face (621) of supporting seat flange fits tightly with the lower surface (531) of awl seat inner groovy (53) when moving axially to lower dead center.
2, a kind of safe self-destruction syringe for medical purpose as claimed in claim 1 is characterized in that: the length of described awl seat inner groovy (53) cooperates section and supporting seat flange (62) length sum greater than supporting seat top.
3, a kind of safe self-destruction syringe for medical purpose as claimed in claim 1, it is characterized in that: center head structure or thread head structure are adopted in described awl seat (5) top, and both heads all adopt standard Luer circular cone (56), and the general syringe needle (4) of socket one strip steel pin.
4, a kind of safe self-destruction syringe for medical purpose as claimed in claim 1 is characterized in that: described awl seat (5) top is provided with a tiny through hole (57), and through hole (57) is used the glue secure bond with draw point pipe (58).
5, as arbitrary described a kind of safe self-destruction syringe for medical purpose in the claim 1,2,3 or 4, it is characterized in that: the middle part of described awl seat (5) forms the equally distributed a plurality of awl seat spline boss (51) of circumference, and awl seat spline boss upper surface shape adopts R angle or acute angle; Form the equally distributed a plurality of syringe spline boss of circumference (11) in the top of described syringe (1), syringe spline boss (11) number equates and be meshed corresponding with it that with awl seat spline boss (51) its bottom face is shaped as R angle or acute angle.
6, a kind of safe self-destruction syringe for medical purpose as claimed in claim 1, it is characterized in that: described syringe (1) bottom inside forms upper groove (13), further groove (14) and low groove (15), groove and syringe inwall form inclined-plane (131), (141), (151) respectively.
7, a kind of safe self-destruction syringe for medical purpose as claimed in claim 1, it is characterized in that: the bottom of described core bar (2) is provided with a home block (23), set up three easy breakpoints (231) between itself and the core bar, the shape of home block is superimposed together by a cylinder (232) and thin slice (233), cylinder (232) is on the top of thin slice (233), the outside of its side and thin slice (233) makes the top ball of home block (23) or the platform that the syringe bottom can be blocked in the face of cylinder on a logical line.
8, a kind of safe self-destruction syringe for medical purpose as claimed in claim 1, it is characterized in that: described core bar bottom molding one through hole (24 '), be provided with one " T " font home block (23 ') in the through hole, home block (23 ') is connected as a single entity with core bar with two easy breakpoints (231 ') and an end points (233 ') with through-hole wall; The interior upper wall molding one circular arc shallow slot (234 ') of through hole.
9, as claim 1 or 6 described a kind of safe self-destruction syringe for medical purpose, it is characterized in that: the top of described screens circle (3) forms a plurality of elasticity support claws (34), elasticity support claw (34) outside forms inclined-plane (31), (32), inner groovy inclined-plane (131), (141) bottom syringe fit respectively, elasticity support claw (34) inner top side forms the R inclined-plane (36) that can fit with last boss platform (24) interference of core bar (2), inside lower end form can be superimposed with the following boss platform (25) of core bar (2) right angle table top (341); The outer middle side part of screens circle (3) forms a screens circle outward flange (35), low groove (15) axial sliding fit of itself and syringe bottom, and screens circle outward flange (35) bottom forms right angle face (33), and its inner groovy inclined-plane (151) bottom syringe fits; Screens circle (3) middle inside forms screens circle inner convex platform (37), can fit with the lower surface of the following boss platform (25) of core bar (2), boss platform (25) is stuck between screens circle inner convex platform (37) and elasticity support claw right angle table top (341) under the syringe self-destruction finishes the back core bar.
10, a kind of safe self-destruction syringe for medical purpose as claimed in claim 9, it is characterized in that: described syringe bottom upper groove (13) matches with the length of further groove (14) and the profile of screens circle (3), and the length of low groove (15) is greater than the length of the screens circle outward flange (35) that matches with it and the axial distance sum of upper groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100490449A CN100425303C (en) | 2006-01-12 | 2006-01-12 | Safe self-destruction syringe for medical purpose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100490449A CN100425303C (en) | 2006-01-12 | 2006-01-12 | Safe self-destruction syringe for medical purpose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1803212A CN1803212A (en) | 2006-07-19 |
| CN100425303C true CN100425303C (en) | 2008-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100490449A Expired - Fee Related CN100425303C (en) | 2006-01-12 | 2006-01-12 | Safe self-destruction syringe for medical purpose |
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| Country | Link |
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| CN (1) | CN100425303C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011160364A1 (en) * | 2010-06-21 | 2011-12-29 | Jiang Xiaohui | Needle-exchangeable and self-destruction insulin syringe |
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| CN100450560C (en) * | 2007-02-12 | 2009-01-14 | 林作钱 | Self-destroying insulin injector |
| CN201213949Y (en) * | 2008-05-22 | 2009-04-01 | 林作钱 | Novel safe self-locking type self-destruction injector |
| CN102266603A (en) * | 2010-06-04 | 2011-12-07 | 许光武 | Safe self-destruction syringe |
| CN102430175A (en) * | 2011-09-01 | 2012-05-02 | 严慈 | Injector |
| CN202569090U (en) * | 2012-02-29 | 2012-12-05 | 王祖扬 | Needle-pulling-back safe self-destructive syringe |
| CN202892570U (en) * | 2012-02-29 | 2013-04-24 | 王祖扬 | A need-pullback-type needle-replaceable safe self-destruction syringe |
| CN202777314U (en) * | 2012-02-29 | 2013-03-13 | 王祖扬 | Core rod structure used for pullback type safe self-destructing type syringe |
| CN103372251B (en) | 2012-04-27 | 2015-09-02 | 张林锋 | A kind of needle stand haulback type safe self-locking type self-destruction injector |
| CN103372250B (en) * | 2012-04-27 | 2015-06-17 | 温州市贝普科技有限公司 | Back-pulling type safety self-locking self-destroying syringe |
| TWI551319B (en) * | 2012-06-15 | 2016-10-01 | Fan Xiao Yi | A push rod with a card retracting structure |
| CN102836485B (en) * | 2012-09-28 | 2015-02-25 | 徐雪花 | Self-destructive injector |
| CN112999468B (en) * | 2021-02-09 | 2023-07-04 | 上海康德莱医疗器械股份有限公司 | Safety syringe |
| CN113018590B (en) * | 2021-02-26 | 2023-05-12 | 上海康德莱医疗器械股份有限公司 | Safety syringe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538355Y (en) * | 2002-04-15 | 2003-03-05 | 徐启玄 | Safety clamping device for syrnge and needle stand |
| CN1453049A (en) * | 2003-05-21 | 2003-11-05 | 江西洪达医疗器械集团有限公司 | Self-destructible safe syringe |
| CN2612386Y (en) * | 2003-04-14 | 2004-04-21 | 钱云周 | Self-destruction type disposable safe syringe without residue |
| US6821266B2 (en) * | 2002-11-12 | 2004-11-23 | U.S. Technology, Inc. | Syringe |
| CN1586652A (en) * | 2004-07-06 | 2005-03-02 | 邹纯平 | Self-destroying safety injector |
| CN2894717Y (en) * | 2006-01-12 | 2007-05-02 | 林作钱 | Safety self-ruined medical syringe |
-
2006
- 2006-01-12 CN CNB2006100490449A patent/CN100425303C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538355Y (en) * | 2002-04-15 | 2003-03-05 | 徐启玄 | Safety clamping device for syrnge and needle stand |
| US6821266B2 (en) * | 2002-11-12 | 2004-11-23 | U.S. Technology, Inc. | Syringe |
| CN2612386Y (en) * | 2003-04-14 | 2004-04-21 | 钱云周 | Self-destruction type disposable safe syringe without residue |
| CN1453049A (en) * | 2003-05-21 | 2003-11-05 | 江西洪达医疗器械集团有限公司 | Self-destructible safe syringe |
| CN1586652A (en) * | 2004-07-06 | 2005-03-02 | 邹纯平 | Self-destroying safety injector |
| CN2894717Y (en) * | 2006-01-12 | 2007-05-02 | 林作钱 | Safety self-ruined medical syringe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011160364A1 (en) * | 2010-06-21 | 2011-12-29 | Jiang Xiaohui | Needle-exchangeable and self-destruction insulin syringe |
| US9566392B2 (en) | 2010-06-21 | 2017-02-14 | Sol-Millennium Medical Hk Limited | Needle-exchangeable and self-destruction insulin syringe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1803212A (en) | 2006-07-19 |
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Assignee: Zhejiang Qianxiguan Mold Co., Ltd. Assignor: Lin Zuoqian Contract fulfillment period: 2008.8.15 to 2013.8.14 Contract record no.: 2009330002354 Denomination of invention: Safe self-destruction syringe for medical purpose Granted publication date: 20081015 License type: Exclusive license Record date: 20090918 |
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