CN103908711B - Can be punctured combined syringe - Google Patents
Can be punctured combined syringe Download PDFInfo
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- CN103908711B CN103908711B CN201410147182.5A CN201410147182A CN103908711B CN 103908711 B CN103908711 B CN 103908711B CN 201410147182 A CN201410147182 A CN 201410147182A CN 103908711 B CN103908711 B CN 103908711B
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- syringe
- piston
- gag lever
- lever post
- needle
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Abstract
The present invention relates to one can to puncture combined syringe.The present invention includes syringe, needle stand, piston, limit assembly and the control piece that slides at syringe cylinder intracavity of control piston under external force, the hollow tube that described syringe is upper end open, lower end is provided with liquid outlet, is connected with liquid outlet for the needle stand installing entry needle; Described control piece is puncture needle; Described piston is positioned at the cylinder intracavity of syringe, and piston comprises sealing piston part and piston rod; Described limit assembly is arranged on piston, and when External Force Acting slides into the upper end open place of syringe in puncture needle control piston, limit assembly is stuck in the notch that the edge of its upper end opening or syringe upper part barrel are provided with.The invention has the advantages that: its structure is simple, easy to carry, can realize multiple use, simple operation of the present invention in addition, and patient can complete all operations with one hand, can be used in the special environments such as fight of army, navigation space flight, field work.
Description
Technical field
The present invention relates to one can to puncture combined syringe.
Background technology
Along with clinical needs and scientific and technical development, injector technology presents rapid growth momentum, and dissimilar syringe is come out one after another.But these syringes play the effect of negative pressure drainage after mostly can only playing injection or repacking, and when some is in emergency circumstances as armarium scarcities such as fight of army, navigation space flight, field works, the equipment such as puncture needle, negative pressure drainage is needed toward contact, such doctor just must carry multiple medical device and pay a home visit, very large inconvenience is brought to paying a home visit, although traditional syringe, also may be used for negative pressure drainage, but, because the piston rod of conventional syringe is oversize, use inconvenience, and be not easy to carry.For this reason, need to design that a kind of structure is simple, easy to carry, simple operation and can realize multi-purpose combined syringe, this combined syringe can be applicable to many-sided equipment configurations such as army's field dressing, navigation space flight medical treatment, field rescue.
Summary of the invention
The object of the present invention is to provide that a kind of structure is simple, easy to carry, simple operation and the multi-purpose combined syringe that punctures can be realized.
Object of the present invention is achieved through the following technical solutions: one can puncture combined syringe, it is characterized in that: it comprises syringe, needle stand, piston, limit assembly and the control piece that slides at syringe cylinder intracavity of control piston under external force, the hollow tube that described syringe is upper end open, lower end is provided with liquid outlet, is connected with liquid outlet for the needle stand installing entry needle;
Described control piece is puncture needle, and described puncture needle comprises needle point and needle body, and the bottom of needle body is connected with needle point, and the sidewall of needle body near needle point place is provided with screw thread;
Described piston is positioned at the cylinder intracavity of syringe, piston comprises sealing piston part and piston rod, the interior diameter size in the cross-sectional diameter of described sealing piston part and the cylinder chamber of syringe matches, the bottom of described piston rod is connected with the upper surface of sealing piston part, the center of piston rod is provided with the screwed hole that can screw in for puncture needle, screwed hole is from the upper surface of piston rod, radial to downward-extension along piston rod;
Described limit assembly is arranged on piston, and when External Force Acting slides into the upper end open place of syringe in puncture needle control piston, and limit assembly is stuck in the notch that the edge of its upper end opening or syringe upper part barrel are provided with.
Compared to prior art, the invention has the advantages that: (1) structure of the present invention is simple, and because puncture needle of the present invention and piston are separable, so the present invention also has advantage easy to carry.(2) the present invention is when implementing the injection effect of conventional syringe, and the same with conventional syringe needs control piston to move at syringe cylinder intracavity; Puncture needle, when implementing puncture function, only need screw out by the present invention from screwed hole, just may be used for puncture; The present invention is when implementing negative pressure drainage effect, only need puncture needle be screwed in screwed hole, then the needle stand be connected with syringe liquid outlet is inserted into and installs with patient's drainage tube with it, then artificially firmly control piston moves to its upper end opening part, by the effect of limit assembly, piston is stuck in its upper end opening or its upper end barrel, then remove puncture needle, now this device just can as a depression drainage device, and therefore the present invention can realize multiple use.(3) simple operation of the present invention, patient can complete all operations with one hand, can be used in the special environments such as fight of army, navigation space flight, field work.
Accompanying drawing explanation
Fig. 1 is a kind of example structure schematic diagram of puncture needle of the present invention.
Fig. 2 is a kind of example structure schematic diagram of syringe of the present invention.
Fig. 3 is that the one of the embodiment of the present invention five implements view.
Fig. 4 is the structural representation with the piston of elastic rod A in the embodiment of the present invention one.
Fig. 5 is the view that the embodiment of the present invention one elastic rod A and piston are all positioned at syringe cylinder intracavity.
Fig. 6 is the view that the embodiment of the present invention one elastic rod A is stuck in its upper end opening.
Fig. 7 is the view that the embodiment of the present invention two elastic rod B and piston are all positioned at syringe cylinder intracavity.
Fig. 8 is the view that the embodiment of the present invention two elastic rod B is stuck in the notch of syringe upper part barrel.
Fig. 9 is the structural representation with the piston of gag lever post A in the embodiment of the present invention three
Figure 10 is the view that the embodiment of the present invention three gag lever post A and piston are all positioned at syringe cylinder intracavity.
Figure 11 is the view that the embodiment of the present invention three gag lever post A is stuck in the edge indentation, there of its upper end opening.
Figure 12 is the open state schematic diagram of the embodiment of the present invention three its upper end opening.
Figure 13 is the structural representation of the embodiment of the present invention four.
Figure 14 is the view that the embodiment of the present invention four gag lever post B and piston are all positioned at syringe cylinder intracavity.
Figure 15 is the view that the embodiment of the present invention four gag lever post B is stuck in its upper end opening.
Figure 16 is the structural representation of the embodiment of the present invention five piston and gag lever post C.
Figure 17 is the view that the embodiment of the present invention five gag lever post C is stuck in its upper end opening.
Figure 18 is the top view of Figure 17.
Label declaration: 1 needle point, 2 needle bodies, 3 needle stands, 4 sealing piston parts, 5 piston rods, 6 elastic rod A, 7 protruding A, 8 elastic rod B, 9 protruding B, 10 gag lever post A, 11 protruding C, 12 springs, 13 gag lever post B, 14 gag lever post C, 15 needle handles.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, content of the present invention is described in detail:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, Fig. 7, Figure 10, Figure 14: one can puncture combined syringe, it comprises syringe, needle stand 3, piston, limit assembly and the control piece that slides at syringe cylinder intracavity of control piston under external force;
As shown in Figure 2: the hollow tube that described syringe is upper end open, lower end is provided with liquid outlet, be connected with liquid outlet for the needle stand 3 installing entry needle;
As shown in Figure 1: described control piece is puncture needle, described puncture needle comprises needle point 1 and needle body 2, and the bottom of needle body 2 is connected with needle point 1, and the sidewall of needle body 2 near needle point 1 place is provided with screw thread;
In addition, described puncture needle also comprises needle handle 15, and needle handle 15 is connected with the upper end of needle body 2; Described needle point 1 is prismatic needle point 1.
As shown in Figure 3: described piston is positioned at the cylinder intracavity of syringe, piston comprises sealing piston part 4 and piston rod 5, the interior diameter size in the cross-sectional diameter of described sealing piston part 4 and the cylinder chamber of syringe matches, the bottom of described piston rod 5 is connected with the upper surface of sealing piston part 4, the center of piston rod 5 is provided with the screwed hole that can screw in for puncture needle, screwed hole from the upper surface of piston rod 5, along piston rod 5 radial direction to downward-extension;
Described puncture needle not only can move by control piston, and may be used for puncture.When puncture needle screws in the screwed hole of piston, and by external force control piston when syringe cylinder intracavity moves, now the present invention can play the injection effect identical with conventional syringe.When puncture needle is used alone, puncture needle may be used for puncture.
As Fig. 4, shown in Fig. 6, Fig. 8, Fig. 9, Figure 11, Figure 13, Figure 15, Figure 16, Figure 17: as described in limit assembly be arranged on piston, and when External Force Acting slides into the upper end open place of syringe in puncture needle control piston, limit assembly is stuck in the notch that the edge of its upper end opening or syringe upper part barrel are provided with.
Embodiment one:
As shown in Fig. 4, Fig. 5, Fig. 6: as described in limit assembly be more than 2 or 2 the elastic rod A6 being distributed in around piston rod 5, described elastic rod A6 is connected with the sealing upper surface of piston part 4 or the side wall surface of piston rod 5, the upper end of elastic rod A6 is provided with the protruding A7 of direction, syringe cross section center of circle extension dorsad, make when elastic rod A6 is positioned at syringe cylinder intracavity together with piston, elastic rod A6 is limited to syringe barrel, but has the trend expanded outwardly; When the upper end open of piston to syringe is moved, when elastic rod A6 moves to the upper end open of syringe, elastic rod A6 expands outwardly and the protruding A7 of elastic rod A6 is stuck in the edge of its upper end opening.
As shown in Figure 5: elastic rod A6 is positioned at syringe cylinder intracavity together with piston, and elastic rod A6 is limited to syringe barrel, but has the trend expanded outwardly.When entry needle is installed on needle stand 3, puncture needle is screwed in the screwed hole at piston rod 5 center, and pass through external force control piston together with elastic rod A6 when syringe cylinder intracavity moves, now the present invention can play the injection effect identical with conventional syringe.
As shown in Figure 6: elastic rod A6 is positioned at the opening part of its upper end, elastic rod A6 expands outwardly and the protruding A7 of elastic rod A6 is stuck in the edge of its upper end opening, elastic rod A6 serves spacing effect, and now this invention can use as a depression drainage device.The using method of this invention is as follows: before use, piston is positioned at the bottom of syringe cylinder intracavity in this invention.First, puncture needle is screwed in the screwed hole in piston rod 5, secondly, the needle stand 3 be connected is inserted into is installed in patient's drainage tube with it with syringe liquid outlet; Then, External Force Acting is in puncture needle, control piston moves to the upper end open of syringe together with elastic rod A6, when elastic rod A6 moves to the upper end open of syringe, elastic rod A6 expands outwardly and the protruding A7 of elastic rod A6 is stuck in the edge of its upper end opening, removed by puncture needle, now, this invention has just become a depression drainage device.
Embodiment two:
As shown in Figure 7, Figure 8: limit assembly of the present invention is more than 2 or 2 the elastic rod B8 being distributed in around piston rod 5, described elastic rod B8 is connected with the sealing upper surface of piston part 4 or the side wall surface of piston rod 5, the upper end of elastic rod B8 is provided with the protruding B9 that direction, the syringe cross section center of circle dorsad extends, and syringe upper part barrel is provided with the notch that and the protruding B9 that can supply corresponding with elastic rod B8 quantity, position passes; Make when elastic rod B8 is positioned at syringe cylinder intracavity together with piston, elastic rod B8 is limited to syringe barrel, but has the trend expanded outwardly; When the upper end open of piston to syringe is moved, when elastic rod B8 moves to the upper end of syringe, elastic rod B8 expands outwardly and the protruding B9 of elastic rod B8 passes from notch.
As shown in Figure 7: elastic rod B8 is positioned at syringe cylinder intracavity together with piston, and elastic rod B8 is limited to syringe barrel, but has the trend expanded outwardly.When being installed on by entry needle on needle stand 3, then puncture needle is screwed in the screwed hole at piston rod 5 center, and pass through external force control piston together with elastic rod B8 when syringe cylinder intracavity moves, now the present invention can play the injection effect identical with conventional syringe.
As shown in Figure 8: elastic rod B8 is positioned at the upper end of syringe, elastic rod B8 expands outwardly and the notch that the protruding B9 of elastic rod B8 is provided with from syringe upper part barrel passes, elastic rod B8 serves spacing effect, and now this invention can use as a depression drainage device.The using method of this invention is as follows: before use, piston is positioned at the bottom of syringe cylinder intracavity in this invention.First, puncture needle is screwed in the screwed hole in piston rod 5, secondly, the needle stand 3 be connected is inserted into is installed in patient's drainage tube with it with syringe liquid outlet; External Force Acting is in puncture needle, and control piston moves to the upper end open of syringe together with elastic rod B8, and when elastic rod B8 moves to the upper end of syringe, elastic rod B8 expands outwardly and the notch that the protruding B9 of elastic rod B8 is provided with from syringe upper part barrel passes; Then, removed by puncture needle, now, this invention just serves the effect of negative pressure drainage.
Embodiment three:
As Fig. 9, Figure 10, Figure 11, shown in Figure 12: limit assembly of the present invention is gag lever post A10, the upper end open of described syringe is outs open, namely the edge of upper end open is provided with the edge extended internally, and edge is provided with one section of breach, described gag lever post A10 is connected with the sealing upper surface of piston part 4 or the side wall surface of piston rod 5, the upper end of gag lever post A10 is provided with the protruding C11 of direction, syringe cross section center of circle extension dorsad, make to move to the upper end open of syringe when piston, when gag lever post A10 moves to the upper end open of syringe, gag lever post A10 passes from the edge indentation, there of its upper end opening, External Force Acting is in puncture needle rotary-piston, and then drive gag lever post A10 to rotate, protruding C11 is stuck on the edge of its upper end opening.
As shown in Figure 10: gag lever post A10 is positioned at syringe cylinder intracavity together with piston.When being installed on by entry needle on needle stand 3, then puncture needle is screwed in the screwed hole at piston rod 5 center, and pass through external force control piston together with gag lever post A10 when syringe cylinder intracavity moves, now the present invention can play the injection effect identical with conventional syringe.
As shown in figure 11: the protruding C11 of gag lever post A10 is stuck in the edge of its upper end opening.
As shown in figure 12: described its upper end opening is outs open.
In conjunction with Figure 10, Figure 11 and Figure 12 analysis: when the present invention is as depression drainage device, only need External Force Acting to control gag lever post A10 in puncture needle to move to the upper end open of syringe together with piston, when elastic rod A10 moves to the upper end of syringe, gag lever post A10 passes from the edge indentation, there of its upper end opening, then manual control piston rotates, and then drive gag lever post A10 to rotate, make the protruding C11 of gag lever post A10 can be stuck in the edge of its upper end opening.
Embodiment four:
As shown in Figure 13,14,15: limit assembly of the present invention comprises spring 12 and 2 gag lever post B13,2 described gag lever post B13 are fixedly arranged on the two ends of spring 12 respectively, described piston rod 5 is provided with spring 12 chamber perpendicular to syringe barrel, spring 12 with gag lever post B13 penetrates spring 12 intracavity, make when the spring 12 with gag lever post B13 is positioned at syringe cylinder intracavity together with piston, the gag lever post B13 at spring 12 two ends contacts with syringe barrel, and spring 12 is compressed; When the upper end open of piston to syringe is moved, when gag lever post B13 moves to the upper end open of syringe, spring 12 expands outwardly and gag lever post B13 is stuck in the edge of its upper end opening.
As shown in figure 14: gag lever post B13 is positioned at syringe cylinder intracavity together with piston.When being installed on by entry needle on needle stand 3, then puncture needle is screwed in the screwed hole at piston rod 5 center, and pass through external force control piston together with gag lever post B13 when syringe cylinder intracavity moves, now the present invention can play the injection effect identical with conventional syringe.
As shown in figure 15: gag lever post B13 is stuck in the edge of its upper end opening.
Embodiment five:
As shown in Fig. 3, Figure 16, Figure 17, Figure 18: as described in limit assembly be the gag lever post C14 that length is greater than syringe cylinder chamber cross-sectional diameter, described piston rod 5 is provided with the cavity perpendicular to syringe barrel, and the cross-sectional diameter of the cross-sectional diameter of cavity and gag lever post C14 matches, make to move to the upper end open of syringe when piston, when cavity on piston rod 5 is positioned at above syringe, artificially inserted in the cavity on piston rod 5 by gag lever post C14, gag lever post C14 is stuck in the upper end open edge of syringe.
As shown in Figure 3: the piston that piston rod is provided with cavity is positioned at syringe cylinder intracavity, when entry needle being installed on needle stand 3, then puncture needle is screwed in the screwed hole at piston rod 5 center, and by external force control piston when syringe cylinder intracavity moves, now the present invention can play the injection effect identical with conventional syringe.
As shown in Figure 17, Figure 18: when the upper end open of piston to syringe is moved, when the cavity on piston rod 5 is positioned at above syringe, artificially inserted in the cavity on piston rod 5 by gag lever post C14, gag lever post C14 is stuck in the upper end open edge of syringe.
Claims (7)
1. the combined syringe that can puncture, it is characterized in that: it comprises syringe, needle stand (3), piston, limit assembly and the control piece that slides at syringe cylinder intracavity of control piston under external force, the hollow tube that described syringe is upper end open, lower end is provided with liquid outlet, is connected with liquid outlet for the needle stand (3) installing entry needle;
Described control piece is puncture needle, described puncture needle comprises needle point (1) and needle body (2), the bottom of needle body (2) is connected with needle point (1), and the sidewall of needle body (2) near needle point (1) place is provided with screw thread;
Described piston is positioned at the cylinder intracavity of syringe, piston comprises sealing piston part (4) and piston rod (5), the described cross-sectional diameter of sealing piston part (4) and the interior diameter size in the cylinder chamber of syringe match, the bottom of described piston rod (5) is connected with the upper surface of sealing piston part (4), the center of piston rod (5) is provided with the screwed hole that can screw in for puncture needle, screwed hole is from the upper surface of piston rod (5), radial to downward-extension along piston rod (5);
Described limit assembly is arranged on piston, and when External Force Acting slides into the upper end open place of syringe in puncture needle control piston, and limit assembly is stuck in the notch that the edge of its upper end opening or syringe upper part barrel are provided with.
2. the combined syringe that punctures according to claim 1, it is characterized in that: described limit assembly is more than 2 and is distributed in piston rod (5) elastic rod A (6) around, described elastic rod A (6) is connected with the upper surface of sealing piston part (4) or the side wall surface of piston rod (5), the upper end of elastic rod A (6) is provided with the protruding A (7) of direction, syringe cross section center of circle extension dorsad, make when elastic rod A (6) is positioned at syringe cylinder intracavity together with piston, elastic rod A (6) is limited to syringe barrel, but there is the trend expanded outwardly, when the upper end open of piston to syringe is moved, when elastic rod A (6) moves to the upper end open of syringe, elastic rod A (6) expands outwardly and the protruding A (7) of elastic rod A (6) is stuck in the edge of its upper end opening.
3. the combined syringe that punctures according to claim 1, it is characterized in that: described limit assembly is more than 2 and is distributed in piston rod (5) elastic rod B (8) around, described elastic rod B (8) is connected with the upper surface of sealing piston part (4) or the side wall surface of piston rod (5), the upper end of elastic rod B (8) is provided with the protruding B (9) that direction, the syringe cross section center of circle dorsad extends, and syringe upper part barrel is provided with elastic rod B (8) quantity, position is corresponding and can supply the notch that protruding B (9) pass; Make when elastic rod B (8) is positioned at syringe cylinder intracavity together with piston, elastic rod B (8) is limited to syringe barrel, but has the trend expanded outwardly; When the upper end open of piston to syringe is moved, when elastic rod B (8) moves to the upper end of syringe, elastic rod B (8) expands outwardly and the protruding B (9) of elastic rod B (8) passes from notch.
4. the combined syringe that punctures according to claim 1, it is characterized in that: described limit assembly is gag lever post A (10), the upper end open of described syringe is outs open, namely the edge of upper end open is provided with the edge extended internally, and edge is provided with one section of breach, described gag lever post A (10) is connected with the upper surface of sealing piston part (4) or the side wall surface of piston rod (5), the upper end of gag lever post A (10) is provided with the protruding C (11) of direction, syringe cross section center of circle extension dorsad, make to move to the upper end open of syringe when piston, when gag lever post A (10) moves to the upper end open of syringe, gag lever post A (10) passes from the edge indentation, there of its upper end opening, External Force Acting is in puncture needle rotary-piston, and then drive gag lever post A (10) to rotate, protruding C (11) is stuck on the edge of its upper end opening.
5. the combined syringe that punctures according to claim 1, it is characterized in that: described limit assembly comprises spring (12) and 2 gag lever post B (13), 2 described gag lever post B (13) are fixedly arranged on the two ends of spring (12) respectively, described piston rod (5) is provided with spring (12) chamber perpendicular to syringe barrel, spring (12) with gag lever post B (13) penetrates spring (12) intracavity, make when the spring (12) with gag lever post B (13) is positioned at syringe cylinder intracavity together with piston, the gag lever post B (13) at spring (12) two ends contacts with syringe barrel, spring (12) is compressed, when the upper end open of piston to syringe is moved, when gag lever post B (13) moves to the upper end open of syringe, spring (12) expands outwardly and gag lever post B (13) is stuck in the edge of its upper end opening.
6. the combined syringe that punctures according to claim 1, it is characterized in that: described limit assembly is the gag lever post C (14) that length is greater than syringe cylinder chamber cross-sectional diameter, described piston rod (5) is provided with the cavity perpendicular to syringe barrel, and the cross-sectional diameter of the cross-sectional diameter of cavity and gag lever post C (14) matches, make to move to the upper end open of syringe when piston, when cavity on piston rod (5) is positioned at above syringe, artificially gag lever post C (14) is inserted in the cavity on piston rod (5), gag lever post C (14) is stuck in the upper end open edge of syringe.
7. the combined syringe that punctures according to claim 1, it is characterized in that: described puncture needle also comprises needle handle (15), needle handle (15) is connected with the upper end of needle body (2); Described needle point (1) is prismatic needle point (1).
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CN201410147182.5A CN103908711B (en) | 2014-04-14 | 2014-04-14 | Can be punctured combined syringe |
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CN201410147182.5A CN103908711B (en) | 2014-04-14 | 2014-04-14 | Can be punctured combined syringe |
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CN103908711B true CN103908711B (en) | 2016-03-16 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105455948B (en) * | 2016-01-23 | 2017-12-29 | 杨加明 | Auripuncture, Injection in Tympanic Cavity Medical Devices |
CN105877787B (en) * | 2016-03-28 | 2018-07-24 | 西南医科大学附属医院 | A kind of negative pressure puncture syringe |
CN105662485B (en) * | 2016-03-28 | 2018-06-22 | 西南医科大学附属医院 | The readable negative pressure puncture device of pressure |
CN109498912A (en) * | 2018-12-14 | 2019-03-22 | 王红玲 | Syringe |
CN109943466A (en) * | 2019-03-22 | 2019-06-28 | 华东医院 | A kind of cell climbing sheet grabber |
CN115990303B (en) * | 2023-03-23 | 2023-06-27 | 山东安得医疗用品股份有限公司 | Sliding block type negative pressure suction injector |
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US5413564A (en) * | 1994-03-02 | 1995-05-09 | Silver; Jules | Predetermined dosage hypodermic syringe system |
CN201329103Y (en) * | 2009-01-08 | 2009-10-21 | 魏秀华 | Destructing type disposable syringe |
CN203802894U (en) * | 2014-04-14 | 2014-09-03 | 林新颖 | Combined injection syringe capable of carrying out puncture |
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2014
- 2014-04-14 CN CN201410147182.5A patent/CN103908711B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5413564A (en) * | 1994-03-02 | 1995-05-09 | Silver; Jules | Predetermined dosage hypodermic syringe system |
CN201329103Y (en) * | 2009-01-08 | 2009-10-21 | 魏秀华 | Destructing type disposable syringe |
CN203802894U (en) * | 2014-04-14 | 2014-09-03 | 林新颖 | Combined injection syringe capable of carrying out puncture |
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