CN103908711A - Puncture combined-type syringe - Google Patents
Puncture combined-type syringe Download PDFInfo
- Publication number
- CN103908711A CN103908711A CN201410147182.5A CN201410147182A CN103908711A CN 103908711 A CN103908711 A CN 103908711A CN 201410147182 A CN201410147182 A CN 201410147182A CN 103908711 A CN103908711 A CN 103908711A
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- syringe
- piston
- needle
- gag lever
- lever post
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Abstract
The invention relates to a puncture combined-type syringe which comprises a needle barrel, a needle seat, a piston, a limiting component and a control member controlling the piston to slide in a barrel cavity of the needle barrel under the action of an external force. The needle barrel is a hollow pipe with an opening in the upper end and a liquid outlet arranged in the lower end, the needle seat used for mounting of an injection needle is connected with the liquid outlet, the control member is a puncturing needle, the piston is positioned in the barrel cavity of the needle barrel and comprises a sealing plug portion and a piston rod, and the limiting component is arranged on the piston, and when the external force acts on the puncturing needle to control the piston to slide to the opening in the upper end of the needle barrel, the limiting component is clamped to the edge of the opening in the upper end of the needle barrel or in a notch arranged in an upper-portion barrel wall of the needle barrel.. The puncture combined-type syringe has the advantages that the puncture combined-type syringe is simple in structure, convenient to carry and multipurpose; the puncture combined-type syringe is convenient and quick to operate, all operations can be completed by a single hand of a user, and the puncture combined-type syringe can be used in special environments such as military operations, navigation and aerospace and field working.
Description
Technical field
The present invention relates to the one combined syringe that can puncture.
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 at some in emergency circumstances as armarium scarcities such as fight of army, navigation space flight, field works in the situation that, need the equipment such as puncture needle, negative pressure drainage toward contact, doctor just must carry multiple medical device and pays a home visit like this, giving pays a home visit has brought very large inconvenience, although traditional syringe, also can be 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 a kind of simple in structure, 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 a kind of simple in structure, easy to carry, simple operation and can realize the multi-purpose combined syringe that punctures.
Object of the present invention is achieved through the following technical solutions: the one combined syringe that can puncture, it is characterized in that: it comprises syringe, needle stand, piston, limit assembly and the control piece that control piston slides at syringe cylinder intracavity under external force, described syringe is the hollow tube that upper end open, lower end are provided with liquid outlet, is connected with liquid outlet for the needle stand that entry needle is installed;
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 needle body is provided with screw thread near the sidewall at needle point place;
Described piston is positioned at the cylinder intracavity of syringe, piston comprises sealing piston part and piston rod, the interior diameter size in the cylinder chamber of the cross-sectional diameter of described sealing piston part and 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 from the upper surface of piston rod, along piston rod radially to downward-extension;
Described limit assembly is arranged on piston, and when External Force Acting is in the time that puncture needle control piston slides into the upper end open place of syringe, and limit assembly is stuck in the notch that on the edge of syringe upper end open or syringe, part barrel is provided with.
Compared to prior art, the invention has the advantages that: (1) the present invention is simple in structure, 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 does the used time in the injection of implementing conventional syringe, and the same with conventional syringe needs control piston to move at syringe cylinder intracavity; The present invention, in the time implementing puncture function, only need screw out puncture needle from screwed hole, just can be for puncture; The present invention does the used time at enforcement negative pressure drainage, only puncture needle need be screwed in screwed hole, then the needle stand being connected with syringe liquid outlet is inserted in installation and patient's drainage tube with it, then artificially firmly control piston moves to syringe upper end open place, piston is stuck in syringe upper end open or syringe upper end barrel by effect by limit assembly, then remove puncture needle, now this device just can be used 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 were 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 is implemented 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 syringe upper end open.
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 are stuck in the notch of part barrel on syringe.
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 are stuck in the edge indentation, there of syringe upper end open.
Figure 12 is the open state schematic diagram of the embodiment of the present invention three syringe upper end open.
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 are stuck in syringe upper end open.
Figure 16 is the structural representation of the embodiment of the present invention five pistons and gag lever post C.
Figure 17 is the view that the embodiment of the present invention five gag lever post C are stuck in syringe upper end open.
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.
The specific embodiment
Below in conjunction with Figure of description and embodiment, content of the present invention is elaborated:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, Fig. 7, Figure 10, Figure 14: the one combined syringe that can puncture, it comprises syringe, needle stand 3, piston, limit assembly and the control piece that control piston slides at syringe cylinder intracavity under external force;
As shown in Figure 2: described syringe is the hollow tube that upper end open, lower end are provided with liquid outlet, is connected with liquid outlet for the needle stand 3 that entry needle is installed;
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 needle body 2 is provided with screw thread near the sidewall at needle point 1 place;
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 cylinder chamber of the cross-sectional diameter of described sealing piston part 4 and 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 radially to downward-extension;
Described puncture needle not only can move by control piston, and can be for puncture.When puncture needle screws in the screwed hole of piston, and pass through external force control piston in the time that syringe cylinder intracavity moves, now the present invention can play the injection effect identical with conventional syringe.In the time that puncture needle uses separately, puncture needle can be for puncture.
As Fig. 4,, as 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 is in the time that puncture needle control piston slides into the upper end open place of syringe, limit assembly is stuck in the notch that on the edge of syringe upper end open or syringe, part barrel is provided with.
Embodiment mono-:
As shown in Fig. 4, Fig. 5, Fig. 6: as described in limit assembly be 2 or 2 and be distributed in above piston rod 5 elastic rod A6 around, 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 that syringe cross section center of circle direction is extended dorsad, make in the time that elastic rod A6 is positioned at syringe cylinder intracavity together with piston, elastic rod A6 is limited to syringe barrel, but has the trend expanding outwardly; When piston is to the upper end open motion of syringe, 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 syringe upper end open.
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 there is the trend expanding outwardly.When entry needle is installed on needle stand 3, puncture needle is screwed in to the screwed hole at piston rod 5 centers, and by external force control piston together with elastic rod A6 in the time that 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 syringe upper end, elastic rod A6 expands outwardly and the protruding A7 of elastic rod A6 is stuck in the edge of syringe upper end open, elastic rod A6 has played spacing effect, and now this invention can be used as a depression drainage device and uses.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 being connected with syringe liquid outlet is inserted into and is installed in patient's drainage tube with it; Then, External Force Acting is in puncture needle, control piston upper end open to syringe together with elastic rod A6 is moved, in the time that 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 syringe upper end open, puncture needle is removed, and now, this invention has just become a depression drainage device.
Embodiment bis-:
As shown in Figure 7, Figure 8: limit assembly of the present invention is 2 or 2 and is distributed in above piston rod 5 elastic rod B8 around, 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 syringe cross section center of circle direction is extended dorsad, and on syringe, part barrel is provided with the notch passing with elastic rod B8 quantity, position protruding B9 corresponding and that can supply; Make in the time that elastic rod B8 is positioned at syringe cylinder intracavity together with piston, elastic rod B8 is limited to syringe barrel, but has the trend expanding outwardly; When piston is to the upper end open motion of syringe, 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 there is the trend expanding outwardly.When entry needle being installed on needle stand 3, then puncture needle is screwed in to the screwed hole at piston rod 5 centers, and by external force control piston together with elastic rod B8 in the time that 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 protruding B9 notch that part barrel is provided with from syringe of elastic rod B8 passes, elastic rod B8 has played spacing effect, and now this invention can be used as a depression drainage device and uses.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 being connected with syringe liquid outlet is inserted into and is installed in patient's drainage tube with it; External Force Acting is in puncture needle, and control piston is to the upper end open motion of syringe together with elastic rod B8, and in the time that elastic rod B8 moves to the upper end of syringe, elastic rod B8 expands outwardly and the protruding B9 notch that part barrel is provided with from syringe of elastic rod B8 passes; Then, puncture needle is removed, now, the effect of negative pressure drainage has just been played in this invention.
Embodiment tri-:
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 part opening, the edge that is upper end open is provided with the edge extending 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 that syringe cross section center of circle direction is extended dorsad, make when piston is to the upper end open motion of syringe, when gag lever post A10 moves to the upper end open of syringe, gag lever post A10 passes from the edge indentation, there of syringe upper end open, 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 syringe upper end open.
As shown in figure 10: gag lever post A10 is positioned at syringe cylinder intracavity together with piston.When entry needle being installed on needle stand 3, then puncture needle is screwed in to the screwed hole at piston rod 5 centers, and by external force control piston together with gag lever post A10 in the time that 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 syringe upper end open.
As shown in figure 12: described syringe upper end open is part opening.
In conjunction with Figure 10, Figure 11 and Figure 12 analysis: the present invention is during as depression drainage device, only need External Force Acting in puncture needle control gag lever post A10 upper end open motion to syringe together with piston, in the time that elastic rod A10 moves to the upper end of syringe, gag lever post A10 passes from the edge indentation, there of syringe upper end open, then manual control piston rotation, and then drive gag lever post A10 rotation, make the protruding C11 of gag lever post A10 can be stuck in the edge of syringe upper end open.
Embodiment tetra-:
As shown in Figure 13,14,15: limit assembly of the present invention comprises 12 and 2 gag lever post B13 of spring, 2 described gag lever post B13 are fixedly arranged on respectively the two ends of spring 12, described piston rod 5 is provided with spring 12 chambeies perpendicular to syringe barrel, penetrate spring 12 intracavity with the spring 12 of gag lever post B13, make in the time that 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 piston is to the upper end open motion of syringe, 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 syringe upper end open.
As shown in figure 14: gag lever post B13 is positioned at syringe cylinder intracavity together with piston.When entry needle being installed on needle stand 3, then puncture needle is screwed in to the screwed hole at piston rod 5 centers, and by external force control piston together with gag lever post B13 in the time that 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 syringe upper end open.
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 when piston is to the upper end open motion of syringe, when cavity on piston rod 5 is positioned at syringe top, artificially gag lever post C14 is inserted in the cavity on piston rod 5, 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 to the screwed hole at piston rod 5 centers, and passing through external force control piston in the time that 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 piston is to the upper end open motion of syringe, when the cavity on piston rod 5 is positioned at syringe top, artificially gag lever post C14 is inserted in the cavity on piston rod 5, 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 control piston slides at syringe cylinder intracavity under external force, described syringe is the hollow tube that upper end open, lower end are provided with liquid outlet, is connected with liquid outlet for the needle stand (3) that entry needle is installed;
Described control piece is puncture needle, and 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 that needle body (2) is located near needle point (1) 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 interior diameter size in the cylinder chamber of the cross-sectional diameter of described sealing piston part (4) and 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) radially to downward-extension;
Described limit assembly is arranged on piston, and when External Force Acting is in the time that puncture needle control piston slides into the upper end open place of syringe, and limit assembly is stuck in the notch that on the edge of syringe upper end open or syringe, part barrel is provided with.
2. the combined syringe that punctures according to claim 1, it is characterized in that: described limit assembly is 2 or 2 and is distributed in above piston rod (5) elastic rod A(6 around), described elastic rod A(6) be connected with the upper surface of sealing piston part (4) or the side wall surface of piston rod (5), elastic rod A(6) upper end be provided with the protruding A(7 that syringe cross section center of circle direction is dorsad extended), make as elastic rod A(6) be positioned at syringe cylinder intracavity together with piston time, elastic rod A(6) be limited to syringe barrel, but there is the trend expanding outwardly; When piston is to the upper end open motion of syringe, elastic rod A(6) while moving to the upper end open of syringe, elastic rod A(6) expand outwardly and elastic rod A(6) protruding A(7) be stuck in the edge of syringe upper end open.
3. the combined syringe that punctures according to claim 1, it is characterized in that: described limit assembly is 2 or 2 and is distributed in above piston rod (5) elastic rod B(8 around), described elastic rod B(8) be connected with the upper surface of sealing piston part (4) or the side wall surface of piston rod (5), elastic rod B(8) upper end be provided with the protruding B(9 that syringe cross section center of circle direction is dorsad extended), on syringe, part barrel is provided with and elastic rod B(8) the corresponding and protruding B(9 that can supply of quantity, position) notch that passes; Make as elastic rod B(8) be positioned at syringe cylinder intracavity together with piston time, elastic rod B(8) be limited to syringe barrel, but there is the trend expanding outwardly; When piston is to the upper end open motion of syringe, elastic rod B(8) while moving to the upper end of syringe, elastic rod B(8) expand outwardly and elastic rod B(8) protruding B(9) pass 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 part opening, the edge that is upper end open is provided with the edge extending internally, and edge is provided with one section of breach, described gag lever post A(10) be connected with the upper surface of sealing piston part (4) or the side wall surface of piston rod (5), gag lever post A(10) upper end be provided with the protruding C(11 that syringe cross section center of circle direction is dorsad extended), make when piston is to the upper end open motion of syringe, gag lever post A(10) while moving to the upper end open of syringe, gag lever post A(10) pass from the edge indentation, there of syringe upper end open, External Force Acting is in puncture needle rotary-piston, and then drive gag lever post A(10) rotation, make protruding C(11) be stuck on the edge of syringe upper end open.
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) be fixedly arranged on respectively the two ends of spring (12), described piston rod (5) is provided with spring (12) chamber perpendicular to syringe barrel, with gag lever post B(13) spring (12) penetrate spring (12) intracavity, make when with gag lever post B(13) spring (12) be positioned at syringe cylinder intracavity together with piston time, the gag lever post B(13 at spring (12) two ends) contact with syringe barrel, spring (12) is compressed, when piston is to the upper end open motion of syringe,, gag lever post B(13) while moving to the upper end open of syringe, spring (12) expands outwardly and gag lever post B(13) be stuck in the edge of syringe upper end open.
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 cavity and gag lever post C(14) cross-sectional diameter match, make when piston is to the upper end open motion of syringe, when cavity on piston rod (5) is positioned at syringe top, artificially by gag lever post C(14) insert in the cavity on piston rod (5), gag lever post C(14) be stuck in the upper end open edge of syringe.
7. the combined syringe that punctures according to claim 1, 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147182.5A CN103908711B (en) | 2014-04-14 | 2014-04-14 | Can be punctured combined syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147182.5A CN103908711B (en) | 2014-04-14 | 2014-04-14 | Can be punctured combined syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103908711A true CN103908711A (en) | 2014-07-09 |
| CN103908711B CN103908711B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410147182.5A Active CN103908711B (en) | 2014-04-14 | 2014-04-14 | Can be punctured combined syringe |
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| CN (1) | CN103908711B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455948A (en) * | 2016-01-23 | 2016-04-06 | 王翠兰 | Tympanocentesis and intratympanic injection medical equipment |
| CN105662485A (en) * | 2016-03-28 | 2016-06-15 | 西南医科大学附属医院 | Pressure-readable negative-pressure puncture device |
| CN105877787A (en) * | 2016-03-28 | 2016-08-24 | 西南医科大学附属医院 | Negative pressure puncture needle cylinder |
| 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 |
| CN115990303A (en) * | 2023-03-23 | 2023-04-21 | 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
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455948A (en) * | 2016-01-23 | 2016-04-06 | 王翠兰 | Tympanocentesis and intratympanic injection medical equipment |
| CN105662485A (en) * | 2016-03-28 | 2016-06-15 | 西南医科大学附属医院 | Pressure-readable negative-pressure puncture device |
| CN105877787A (en) * | 2016-03-28 | 2016-08-24 | 西南医科大学附属医院 | Negative pressure puncture needle cylinder |
| 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 |
| 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 |
| 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 |
| CN115990303A (en) * | 2023-03-23 | 2023-04-21 | 山东安得医疗用品股份有限公司 | Sliding block type negative pressure suction injector |
| 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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|---|---|
| CN103908711B (en) | 2016-03-16 |
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