CN103071227A - Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels - Google Patents
Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels Download PDFInfo
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- CN103071227A CN103071227A CN201310027606XA CN201310027606A CN103071227A CN 103071227 A CN103071227 A CN 103071227A CN 201310027606X A CN201310027606X A CN 201310027606XA CN 201310027606 A CN201310027606 A CN 201310027606A CN 103071227 A CN103071227 A CN 103071227A
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Abstract
The invention relates to a positive-pressure pulse type flushing-pipe injector for the detaining passages of blood vessels, which comprises an injection needle cylinder, wherein at least one hollow cavity is arranged in the injection needle cylinder; a piston device in matching connection is arranged in the hollow cavity of the injection needle cylinder, the piston device comprises a piston body and a piston push rod, and the piston body can be pushed by the piston push rod to move in the hollow cavity of the injection needle cylinder; a first obstruction body is arranged on the inner wall of the injection needle cylinder, and the first obstruction body is adjacent to the second end of the injection needle cylinder in the injection needle cylinder; a second obstruction body is arranged on the piston push rod of the piston device, and the second obstruction body and the first obstruction body are connected in a matching way; and when the piston body is pushed by the piston push rod to move in the hollow cavity of the injection needle cylinder, liquid in the hollow cavity of the injection needle cylinder can be ejected from an injection outlet in a pulse type. The positive-pressure pulse type flushing-pipe injector for the detaining passages of the blood vessels has a simple and compact structure and low cost, is convenient to use, can conveniently execute pulse type or wave type flushing and is safe and reliable.
Description
Technical field
The present invention relates to a kind of syringe, especially a kind of blood vessel is kept somewhere path positive pressure pulse formula flushing syringe, belongs to the technical field of medical apparatus and instruments.
Background technology
The blood vessel resident conduit is to be widely used in clinical a kind of medical apparatus and instruments; it is simple to operate; safe ready; both solve the misery of patient's repeated localised puncture, protected blood vessel, alleviated again nurse's nursing work load; be suitable for gerontal patient, children's, need the multiple injection treatment but the patient of acupuncture treatment difficulty without sense of independence patient etc.; particularly critical patient can be opened the blood vessel access medication at any time, improves salvage success rate.Keep somewhere in the use procedure of technology at blood vessel, during often because of tube sealing blood backflow to remaining needle and blood coagulation cause blood vessel access to stop up, all need to use heparin saline to carry out tube sealing after now each blood vessel instils, in case blood coagulation appears in the injection site.
Need the speed combination when blood vessel resident conduit is washed, form pulsed or cry the wave flushing, with cleaning conduit tube wall medicinal liquid or blood.For reaching suitable pulsed or crying the wave flushing, the operation nurse often need train, but because be armrest sense operation, is difficult to arrive ideal effect.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of blood vessel to keep somewhere path positive pressure pulse formula flushing syringe, it is simple in structure, compact, and is with low cost, easy to use, can conveniently implement pulsed or cry the wave flushing, safe and reliable.
According to technical scheme provided by the invention, described blood vessel is kept somewhere path positive pressure pulse formula flushing syringe, comprises syringe cylinder, and described syringe cylinder has first end and the second end, and the first end of syringe cylinder has the injection outlet; Have at least one cavity in the described syringe cylinder, described cavity is connected with the injection outlet; Be provided with the piston apparatus that coupling connects in the cavity of syringe cylinder, described piston apparatus comprises piston body and the piston push rod that is connected with described piston body, one end of piston push rod is connected with piston body, the other end passes from the second end of syringe cylinder, can move in the cavity of syringe cylinder by the pushing piston body by piston push rod; The inwall of syringe cylinder is provided with the first baffle element, the second end of described the first baffle element contiguous syringe cylinder in syringe cylinder; The piston push rod of piston apparatus is provided with the second baffle element, described the second baffle element is connected with the first baffle element coupling, when moving in the cavity of syringe cylinder by piston push rod pushing piston body, can so that the liquid in the syringe cylinder cavity spray with pulsed from injection outlet.
Described the first baffle element is the bulge loop that stops that is convexly set on the syringe cylinder inwall, and the second baffle element is the wave tooth that is arranged on the piston push rod, and described wave tooth is along the distribution of lengths of piston push rod, and the crown of wave tooth can contact with stopping bulge loop.
The crown direction of wave tooth is the direction that first end points to the second end on the described piston push rod, the crown direction of wave tooth cooperates with stopping bulge loop, so that piston push rod can and only can point to from the second end the direction motion of first end in cavity, prevent when playing injection liquid that piston push rod from retreating and preventing the effect that medicinal liquid refluxes; Medicinal liquid inject complete after, last wave tooth of contiguous the second end of piston push rod just is stuck in and stops on the bulge loop, prevents that piston push rod from retreating the effect with blood backflow, the blood of avoiding refluxing forms [Dan and stops up and keep somewhere pipeline.
The first end of described syringe cylinder is provided with sealing cap, and described sealing cap is enclosed within the injection outlet.Described piston push rod comprises the piston mandrel and is distributed in push rod supporter on the described piston mandrel that the second baffle element is distributed on the push rod supporter.
Described piston push rod comprises the piston mandrel and is distributed in push rod supporter on the described piston mandrel that wave tooth is distributed on the push rod supporter.
Described piston push rod is provided with pusher grip from the end that the second end of syringe cylinder passes.Cavity in the described syringe cylinder comprises the first cavity and the second cavity, and the first cavity and the second cavity are by the isolation of the dividing plate in the syringe cylinder, and the first cavity and the second cavity all are connected with the injection outlet; Be provided with the first piston device in the first cavity, be provided with the second piston apparatus in the second cavity; The length of the piston push rod of the second piston apparatus is not shorter than the length of the piston push rod of first piston device.
Described the first baffle element is the bulge loop that stops that is convexly set on the syringe cylinder inwall, the second baffle element is the wave tooth that is arranged on first piston device and the corresponding piston push rod of the second piston apparatus, described wave tooth is along the distribution of lengths of piston push rod, and the crown of wave tooth can contact with stopping bulge loop.
The end of the corresponding adjacent piston body of described piston push rod is provided with partes glabra.
The second end of described syringe cylinder is provided with the cylindrical shell baffle plate.
Advantage of the present invention: in syringe cylinder, form as required a cavity or a plurality of cavity, piston apparatus is set in the cavity, the first baffle element all is set in the cavity of syringe cylinder, the second baffle element is set on the piston apparatus, by the first baffle element and cooperating of the second baffle element stopping to a certain extent the motion continuity of piston apparatus in cavity, after the pushing piston device is mobile in cavity, liquid in the cavity can be sentenced pulsed or wave injection in the injection outlet, to satisfy the rinsing requirement to the blood vessel resident conduit, simple in structure, compact, with low cost, easy to use, can conveniently implement pulsed or cry the wave flushing, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation after the pushing piston device moves in cavity among Fig. 1.
Fig. 3 is the structural representation of syringe cylinder of the present invention.
Fig. 4 is the structural representation of piston push rod of the present invention.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the structural representation of the embodiment of the invention 2.
Fig. 7 is the left view of Fig. 6.
Fig. 8 is first piston device and the second piston apparatus structural representation after all mobile in syringe cylinder among Fig. 6.
Fig. 9 is the structural representation of syringe cylinder in the embodiment of the invention 2.
Figure 10 is the left view of Fig. 9.
Description of reference numerals: 1-syringe cylinder, 2-injection outlet, 3-sealing cap, 4-pusher grip, 5-stop bulge loop, 6-piston push rod, 7-wave tooth, 8-piston head, 9-first end, 10-the second end, 11-push rod supporter, 12-dividing plate, 13-first piston device, 14-the second piston apparatus, 15-the first cavity, 16-the second cavity, 17-cylindrical shell baffle plate and 18-piston body.
The specific embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
Need the speed combination in order can to wash the blood vessel resident conduit time, form pulsed or cry the wave flushing, with cleaning conduit tube wall medicinal liquid or blood, the present invention includes syringe cylinder 1, described syringe cylinder 1 has first end 9 and the second end 10, and the first end 9 of syringe cylinder 1 has injection outlet 2; Have at least one cavity in the described syringe cylinder 1, described cavity is connected with injection outlet 2; Be provided with the piston apparatus that coupling connects in the cavity of syringe cylinder 1, described piston apparatus comprises piston body 18 and the piston push rod 6 that is connected with described piston body 18, one end of piston push rod 6 is connected with piston body 18, the other end passes from the second end 10 of syringe cylinder 1, can move in the cavity of syringe cylinder 1 by pushing piston body 18 by piston push rod 6; The inwall of syringe cylinder 1 is provided with the first baffle element, and described the first baffle element is at the second end of syringe cylinder 1 interior contiguous syringe cylinder 1; The piston push rod 6 of piston apparatus is provided with the second baffle element, described the second baffle element is connected with the first baffle element coupling, when moving in the cavity of syringe cylinder 1 by piston push rod 6 pushing piston bodies 18, can so that the liquid in syringe cylinder 1 cavity spray with pulsed from injection outlet 2.The end of described piston push rod 6 adjacent piston bodies 18 arranges partes glabra, makes things convenient for pumpback before flushing line, judges whether blood vessel is kept somewhere pipeline unobstructed.
In the embodiment of the invention, according to different instructions for uses, syringe cylinder 1 and piston apparatus have different matching relationships, and the below is described respectively explanation with embodiment 1 and embodiment 2.
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5: in the present embodiment, have a cavity in the syringe cylinder 1, in described cavity, have a piston apparatus.Particularly, described the first baffle element is to be convexly set in to stop bulge loop 5 on syringe cylinder 1 inwall, the second baffle element is the wave tooth 7 that is arranged on the piston push rod 6, and described wave tooth 7 is along the distribution of lengths of piston push rod 6, and the crown of wave tooth 7 can contact with stopping bulge loop 5.The distribution length of wave tooth 7 on piston push rod 6 is less than the length of piston push rod 6, form a level and smooth district with the end on piston push rod 6, namely in piston push rod 6 one section level and smooth district of joint portion formation with piston body 18, described level and smooth district not can and syringe cylinder 1 in stop between the bulge loop 5 and come in contact, when utilizing piston push rod 6 pushing piston bodies 18 in cavity, to move, before flushing line, make things convenient for pumpback by level and smooth district, judge whether blood vessel is kept somewhere pipeline unobstructed.The end of piston body 18 also is provided with piston head 8, the first end of described piston head 8 contiguous syringe cylinders 1.
The crown direction of wave tooth 7 is the direction that first end 9 points to the second end 10 on the described piston push rod 6, and the crown direction of wave tooth 7 cooperates with stopping bulge loop 5, so that piston push rod 6 can and only can point to from the second end 10 the direction motion of first end 9 in cavity.
Described wave tooth 7 all distributes towards same direction on piston push rod 6, is specially the direction of pointing to the second end 10 along the first end 9 of syringe cylinder 1; At this moment, wave tooth 7 is when stopping that bulge loop 5 contacts, stop that bulge loop 5 can stop pushing of piston body 18 by stopping wave tooth 7, after enforcing piston body 18, utilize the gap between the wave tooth 7 can allow the interior liquid of cavity spray from injection outlet 2, utilize wave tooth 7 can be pulsed or wave so that injection exports the liquid of 2 interior ejections with stopping cooperating between the bulge loop 5, to satisfy the rinsing requirement to the blood vessel resident conduit; Wherein, described pulsed or wave refer to that the liquid that sprays is one one vibration type output or non-at the uniform velocity output; In the embodiment of the invention, wave tooth 7 the distribution on the piston push rod 6 with stop that bulge loop 5 cooperates and can prevent that push-rod piston from promoting retreating after 6, after having pushed away the medicinal liquid in the cavity, piston push rod 6 last wave tooth 7 block and stop bulge loop 5, avoid spurring the blood back situation that piston push rod 6 produces; Be wave tooth 7 and the fit form that stops formation click between the bulge loop 5.In the embodiment of the invention, the fit form of the first baffle element and the second baffle element is not limited to and stops cooperating of 7 of bulge loop 5 and wave tooths, can also adopt other required fit forms, no longer describes in detail herein.
In the present embodiment, piston push rod 6 comprises the piston mandrel and is distributed in push rod supporter 11 on the described piston mandrel that wave tooth 7 is distributed on the push rod supporter 11; Particularly, three equally distributed push rod supporters 11 are set on the piston mandrel.Piston push rod 6 correspondences are provided with pusher grip 4 from the end that the second end 10 passes, and can make things convenient for pushing piston push rod 6 by pusher grip 4.
The corresponding setting on the outer wall that stops bulge loop 5 of piston syringe 1 also can arrange groove, by groove can with stop that bulge loop 5 is corresponding.The second end of piston syringe 1 is provided with cylindrical shell baffle plate 17, and described cylindrical shell baffle plate 17 is distributed in the outer ring of cavity, and the external diameter of cylindrical shell baffle plate 17 is greater than the external diameter of piston syringe 1.The first end 9 of piston syringe 1 also is provided with sealing cap 3, and described sealing cap 3 can be enclosed within the injection outlet 2, after sealing cap 3 is enclosed within the injection outlet 2, avoids outside antibacterial or pollutant to enter in the cavity from injection outlet 2.When syringe was multi-cavity, sealing cap 3 also played and prevents that each intracavity priming fluid from mixing.
In the present embodiment, in the cavity of syringe cylinder 1, be filled with in advance required heparin water or normal saline, by wave tooth 7 with stop cooperating between the bulge loop 5 so that the heparin water in the cavity or normal saline with pulsed or wave from injection outlet 2 ejections.
Such as Fig. 6, Fig. 7, Fig. 8, Fig. 9 and shown in Figure 10: in the present embodiment, have two cavitys in the syringe cylinder 1, be that syringe cylinder 1 interior cavity comprises the first cavity 15 and the second cavity 16, the first cavity 15 and the second cavity 16 are by dividing plate 12 isolation in the syringe cylinder 1, and the first cavity 15 and the second cavity 16 all are connected with injection outlet 2; Be provided with in the first cavity 15 in first piston device 13, the second cavitys 16 and be provided with the second piston apparatus 14; The length of the piston push rod 6 of the second piston apparatus 14 is not shorter than the length of the piston push rod 6 of first piston device 13.In the embodiment of the invention, the length of the piston push rod 6 of the second piston apparatus 14 is greater than the length of the piston push rod 6 of first piston device 13.
In the present embodiment, dividing plate 12 is isolated the first cavity 15 and the second cavity 16 fully along the distribution of lengths of syringe cylinder 1, namely mutually is not communicated with between the first cavity 15 and the second cavity 16.Certainly, the cavity in the syringe cylinder 1 can be divided into three or more cavitys as required.In the present embodiment, first piston device 13, the structure of the second piston apparatus 14 is identical with the structure of embodiment 1, the structure of first piston device 13 and the second piston apparatus 14 is also identical, just the length of the piston push rod 6 of the second piston apparatus 14 is greater than the length of the piston push rod 6 of first piston push rod 13, during implementation, when the piston push rod 6 of the second piston apparatus 14 was pushed to the first end 9 of syringe cylinder 1 with piston body 18, the end position the when end of the piston push rod 6 of the second piston apparatus 14 and first piston device 13 inner carrier push rods 6 are in contiguous the second end 10 approached.
In the present embodiment, the fit form of the first baffle element and the second baffle element adopts the structure identical with embodiment 1, be that described the first baffle element is to be convexly set in to stop bulge loop 5 on syringe cylinder 1 inwall, the second baffle element is the wave tooth 7 that is arranged on first piston device 13 and the second piston apparatus 14 corresponding piston push rods 6, described wave tooth 7 is along the distribution of lengths of piston push rod 6, and the crown of wave tooth 7 can contact with stopping bulge loop 5.In the present embodiment, stop that bulge loop 5 is distributed on the first cavity 15 and the second cavity 16 corresponding inwalls, wave tooth 7 corresponding matching that stop bulge loop 5 and first piston device 13 in the first cavity 15, wave tooth 7 corresponding matching that stop bulge loop 5 and the second piston apparatus 14 in the second cavity 16 namely can be so that the liquid in the first cavity 15 and the second cavity 16 all can be from injection outlet 2 with wave or pulsed ejection.
In the present embodiment, the first cavity 15 is interior mainly to be preliminary filling heparin water, and the second cavity 16 is interior mainly to be the preliminary filling normal saline.In use, the piston push rod 6 by the second piston apparatus 14 promotes the piston body 18 of the second piston apparatus 14, and normal saline is injected first ejection.After the normal saline injection has been sprayed, the pusher grip 4 of the piston push rod 6 of the second piston apparatus 14 is in concordant state with the pusher grip 4 of the piston push rod 6 of first piston device 13, take advantage of a situation this moment thumb is slided on the pusher grip 4 of the piston push rod 6 of going up first piston device 13, promote again the piston body 18 of first piston device 13 by the piston push rod 6 of first piston device 13, so that heparin water is sprayed, avoid when some occasions need to successively be used normal saline and heparin water, need to change the inconvenience that different syringes bring.
The present invention is as required at syringe cylinder cavity of 1 interior formation or a plurality of cavity, piston apparatus is set in the cavity, the first baffle element all is set in the cavity of syringe cylinder 1, the second baffle element is set on the piston apparatus, by the first baffle element and cooperating of the second baffle element stopping to a certain extent the motion continuity of piston apparatus in cavity, after the pushing piston device is mobile in cavity, liquid in the cavity can be sentenced pulsed or wave injection in injection outlet 2, to satisfy the rinsing requirement to the blood vessel resident conduit, simple in structure, compactness, with low cost, easy to use, can conveniently implement pulsed or cry the wave flushing, safe and reliable.
Claims (10)
1. a blood vessel is kept somewhere path positive pressure pulse formula syringe, comprises syringe cylinder (1), and described syringe cylinder (1) has first end (9) and the second end (10), and the first end (9) of syringe cylinder (1) has injection outlet (2); It is characterized in that: described syringe cylinder has at least one cavity in (1), and described cavity is connected with injection outlet (2); Be provided with the piston apparatus that coupling connects in the cavity of syringe cylinder (1), described piston apparatus comprises piston body (18) and the piston push rod (6) that is connected with described piston body (18), one end of piston push rod (6) is connected with piston body (18), the other end passes from second end (10) of syringe cylinder (1), can move in the cavity of syringe cylinder (1) by pushing piston body (18) by piston push rod (6); The inwall of syringe cylinder (1) is provided with the first baffle element, the second end of described the first baffle element contiguous syringe cylinder (1) in syringe cylinder (1); The piston push rod of piston apparatus (6) is provided with the second baffle element, described the second baffle element is connected with the first baffle element coupling, when moving in the cavity of syringe cylinder (1) by piston push rod (6) pushing piston body (18), can so that the liquid in syringe cylinder (1) cavity spray with pulsed from injection outlet (2).
2. blood vessel according to claim 1 is kept somewhere path positive pressure pulse formula syringe, it is characterized in that: described the first baffle element stops bulge loop (5) for being convexly set on syringe cylinder (1) inwall, the second baffle element is for being arranged at the wave tooth (7) on the piston push rod (6), described wave tooth (7) is along the distribution of lengths of piston push rod (6), and the crown of wave tooth (7) can contact with stopping bulge loop (5).
3. blood vessel according to claim 2 is kept somewhere path positive pressure pulse formula syringe, it is characterized in that: the crown direction of the upper wave tooth (7) of described piston push rod (6) is the direction that first end (9) points to the second end (10), the crown direction of wave tooth (7) cooperates with stopping bulge loop (5), so that piston push rod (6) can and only can point to from the second end (10) the direction motion of first end (9) in cavity.
4. blood vessel according to claim 1 is kept somewhere path positive pressure pulse formula syringe, it is characterized in that: described piston push rod (6) comprises the piston mandrel and is distributed in push rod supporter (11) on the described piston mandrel that the second baffle element is distributed on the push rod supporter (11).
5. blood vessel according to claim 1 is kept somewhere path positive pressure pulse formula syringe, it is characterized in that: described piston push rod (6) comprises the piston mandrel and is distributed in push rod supporter (11) on the described piston mandrel that wave tooth (7) is distributed on the push rod supporter (11).
6. blood vessel according to claim 1 is kept somewhere path positive pressure pulse formula syringe, it is characterized in that: described piston push rod (6) is provided with pusher grip (4) from the end that second end (10) of syringe cylinder (1) passes.
7. blood vessel according to claim 1 is kept somewhere path positive pressure pulse formula syringe, it is characterized in that: the cavity in the described syringe cylinder (1) comprises the first cavity (15) and the second cavity (16), the first cavity (15) is isolated by the dividing plate (12) in the syringe cylinder (1) with the second cavity (16), and the first cavity (15) and the second cavity (16) all are connected with injection outlet (2); Be provided with first piston device (13) in the first cavity (15), be provided with the second piston apparatus (14) in the second cavity (16); The length of the piston push rod (6) of the second piston apparatus (14) is not shorter than the length of the piston push rod (6) of first piston device (13).
8. blood vessel according to claim 7 is kept somewhere path positive pressure pulse formula syringe, it is characterized in that: described the first baffle element stops bulge loop (5) for being convexly set on syringe cylinder (1) inwall, the second baffle element is for being arranged at the wave tooth (7) on first piston device (13) and the corresponding piston push rod of the second piston apparatus (14) (6), described wave tooth (7) is along the distribution of lengths of piston push rod (6), and the crown of wave tooth (7) can contact with stopping bulge loop (5).
9. blood vessel according to claim 1 is kept somewhere path positive pressure pulse formula syringe, and it is characterized in that: the end of the corresponding adjacent piston body of described piston push rod (6) (18) is provided with partes glabra.
10. blood vessel according to claim 1 is kept somewhere path positive pressure pulse formula syringe, and it is characterized in that: second end (10) of described syringe cylinder (1) is provided with cylindrical shell baffle plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310027606.XA CN103071227B (en) | 2013-01-24 | 2013-01-24 | Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310027606.XA CN103071227B (en) | 2013-01-24 | 2013-01-24 | Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels |
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| Publication Number | Publication Date |
|---|---|
| CN103071227A true CN103071227A (en) | 2013-05-01 |
| CN103071227B CN103071227B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310027606.XA Expired - Fee Related CN103071227B (en) | 2013-01-24 | 2013-01-24 | Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels |
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| Country | Link |
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| CN (1) | CN103071227B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014114181A1 (en) * | 2013-01-24 | 2014-07-31 | 无锡市宇寿医疗器械股份有限公司 | Blood vessel catheter-accessed positive pressure impulse vessel-rinsing syringe |
| CN104721950A (en) * | 2015-04-10 | 2015-06-24 | 中国人民解放军第二军医大学 | Semisolid and liquid preparation dosing device |
| CN106938119A (en) * | 2017-04-12 | 2017-07-11 | 戴霞 | Disposable pulsed catheter flusher |
| CN108339172A (en) * | 2017-09-19 | 2018-07-31 | 锦州诺德医疗器械科技有限公司 | A kind of automatic washing pipe device |
| CN109157732A (en) * | 2018-07-04 | 2019-01-08 | 黄玲玲 | A kind of paediatrics dental treatment |
| CN110354363A (en) * | 2019-06-21 | 2019-10-22 | 广东省人民医院(广东省医学科学院) | A kind of eddy current type positive pressure wash syringe of controllable pulse frequency and flow |
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| CN201603252U (en) * | 2010-01-12 | 2010-10-13 | 吴林元 | Positive-pressure closed-type arterious and venous indwelling needle |
| CN203060535U (en) * | 2013-01-24 | 2013-07-17 | 陆培华 | Positive pressure impulse type washing tube injector for vascular indwelling access |
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| CN2145615Y (en) * | 1992-12-26 | 1993-11-10 | 徐振华 | Disposable multipurpose injector |
| CN2159227Y (en) * | 1993-05-10 | 1994-03-23 | 王大宇 | Self-damage type plastic injector |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014114181A1 (en) * | 2013-01-24 | 2014-07-31 | 无锡市宇寿医疗器械股份有限公司 | Blood vessel catheter-accessed positive pressure impulse vessel-rinsing syringe |
| CN104721950A (en) * | 2015-04-10 | 2015-06-24 | 中国人民解放军第二军医大学 | Semisolid and liquid preparation dosing device |
| CN106938119A (en) * | 2017-04-12 | 2017-07-11 | 戴霞 | Disposable pulsed catheter flusher |
| CN108339172A (en) * | 2017-09-19 | 2018-07-31 | 锦州诺德医疗器械科技有限公司 | A kind of automatic washing pipe device |
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| CN109157732A (en) * | 2018-07-04 | 2019-01-08 | 黄玲玲 | A kind of paediatrics dental treatment |
| CN110354363A (en) * | 2019-06-21 | 2019-10-22 | 广东省人民医院(广东省医学科学院) | A kind of eddy current type positive pressure wash syringe of controllable pulse frequency and flow |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103071227B (en) | 2014-09-03 |
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Application publication date: 20130501 Assignee: Wuxi Yushou Medical Appliances Co., Ltd. Assignor: Lu Peihua|Gao Hong|Cao Feng Contract record no.: 2014320010152 Denomination of invention: Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels Granted publication date: 20140903 License type: Exclusive License Record date: 20140910 |
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