CN203060535U - Positive pressure impulse type washing tube injector for vascular indwelling access - Google Patents
Positive pressure impulse type washing tube injector for vascular indwelling access Download PDFInfo
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- CN203060535U CN203060535U CN201320039110XU CN201320039110U CN203060535U CN 203060535 U CN203060535 U CN 203060535U CN 201320039110X U CN201320039110X U CN 201320039110XU CN 201320039110 U CN201320039110 U CN 201320039110U CN 203060535 U CN203060535 U CN 203060535U
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- piston
- push rod
- cavity
- syringe cylinder
- syringe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/19—Syringes having more than one chamber, e.g. including a manifold coupling two parallelly aligned syringes through separate channels to a common discharge assembly
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/3129—Syringe barrels
- A61M5/3135—Syringe barrels characterised by constructional features of the proximal end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/3159—Dose expelling manners
- A61M5/31593—Multi-dose, i.e. individually set dose repeatedly administered from the same medicament reservoir
- A61M5/31595—Pre-defined multi-dose administration by repeated overcoming of means blocking the free advancing movement of piston rod, e.g. by tearing or de-blocking
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/48—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for varying, regulating, indicating or limiting injection pressure
- A61M5/482—Varying injection pressure, e.g. by varying speed of injection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M2005/1787—Syringes for sequential delivery of fluids, e.g. first medicament and then flushing liquid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31501—Means for blocking or restricting the movement of the rod or piston
- A61M2005/3151—Means for blocking or restricting the movement of the rod or piston by friction
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a positive pressure impulse type washing tube injector for a vascular indwelling access. The washing tube injector comprises an injection needle cylinder, wherein at least a cavity is formed in the injection needle cylinder; a piston device connected with the injection needle cylinder in a matched way is arranged in the cavity of the injection needle cylinder; the piston device comprises a piston body and a piston push rod; the piston body can be pushed to move in the cavity of the injection needle cylinder by the piston push rod; a first blocking body is arranged on the inner wall of the injection needle cylinder; the first blocking body is close to the second end of the injection needle cylinder in the injection needle cylinder; a second blocking body is arranged on the piston push rod of the piston device; and the second blocking body is connected with the first blocking body in a matched way. When the piston body is pushed to move in the cavity of the injection needle cylinder by the piston push rod, liquid in the cavity of the injection needle cylinder can be sprayed from an injection outlet in the form of an impulse. The washing tube injector is simple and compact in structure, low in cost, convenient to use, safe and reliable, and can be used for conveniently performing the impulse type or wave type washing operation.
Description
Technical field
This utility model relates to a kind of syringe, and especially a kind of blood vessel is kept somewhere path positive pressure pulse formula washing pipe syringe, belongs to technical field of medical.
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 nurse's nursing work load again; be suitable for gerontal patient, children's, no sense of independence patient etc. and need the multiple injection treatment but the patient of acupuncture treatment difficulty; particularly critical patient can be opened the blood vessel access medication at any time, improves salvage success rate.Keep somewhere in the use of technology at blood vessel, blood is back in the remaining needle and blood coagulation causes blood vessel access to stop up during often because of tube sealing, all needs 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 purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of blood vessel to keep somewhere path positive pressure pulse formula washing pipe syringe, and it is simple in structure, compact, with low cost, easy to use, can conveniently implement pulsed or cry the wave flushing, safe and reliable.
According to the technical scheme that this utility model provides, described blood vessel is kept somewhere path positive pressure pulse formula washing pipe syringe, comprises syringe cylinder, and described syringe cylinder has first end and second end, and 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 second end of syringe cylinder, and it is mobile in the cavity of syringe cylinder to promote piston body by piston push rod; The inwall of syringe cylinder is provided with first baffle element, second end of described first baffle element contiguous syringe cylinder in syringe cylinder; The piston push rod of piston apparatus is provided with second baffle element, described second baffle element is connected with first baffle element coupling, when moving in the cavity of syringe cylinder by piston push rod promotion piston body, can make that the liquid in the syringe cylinder cavity sprays with pulsed from the injection outlet.
Described first baffle element is the bulge loop that stops that is convexly set on the syringe cylinder inwall, and 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 second end on the described piston push rod, the crown direction of wave tooth cooperates with stopping bulge loop, make piston push rod in cavity, can and only can point to the direction motion of first end from second end, prevent when playing injection liquid that piston push rod from retreating and preventing the effect that medicinal liquid refluxes; After medicinal liquid was injected and finished, last wave tooth of contiguous second end of piston push rod just was stuck in and stops on the bulge loop, prevented that piston push rod from retreating the effect that refluxes with blood, and the blood of avoiding refluxing forms [and stops up the indwelling pipeline.
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 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 second end of syringe cylinder passes.Cavity in the described syringe cylinder comprises first cavity and second cavity, and first cavity and second cavity are isolated by the dividing plate in the syringe cylinder, and first cavity and second cavity all are connected with the injection outlet; Be provided with the first piston device in first cavity, be provided with second piston apparatus in second cavity; The length of the piston push rod of second piston apparatus is not shorter than the length of the piston push rod of first piston device.
Described first baffle element is the bulge loop that stops that is convexly set on the syringe cylinder inwall, second baffle element is the wave tooth that is arranged on first piston device and the corresponding piston push rod of 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.
Second end of described syringe cylinder is provided with the cylindrical shell baffle plate.
Advantage of the present utility model: in syringe cylinder, form a cavity or a plurality of cavity as required, piston apparatus is set in the cavity, first baffle element all is set in the cavity of syringe cylinder, second baffle element is set on the piston apparatus, by first baffle element and cooperating of second baffle element stopping the motion continuity of piston apparatus in cavity to a certain extent, after the promotion piston apparatus 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 this utility model embodiment 1.
Fig. 2 is the structural representation that promotes among Fig. 1 after piston apparatus moves in cavity.
Fig. 3 is the structural representation of this utility model syringe cylinder.
Fig. 4 is the structural representation of this utility model piston push rod.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the structural representation of this utility model embodiment 2.
Fig. 7 is the left view of Fig. 6.
Fig. 8 is first piston device and second piston apparatus structural representation after all mobile in syringe cylinder among Fig. 6.
Fig. 9 is the structural representation of syringe cylinder among this utility model embodiment 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-second end, 11-push rod supporter, 12-dividing plate, 13-first piston device, 14-second piston apparatus, 15-first cavity, 16-second cavity, 17-cylindrical shell baffle plate and 18-piston body.
The specific embodiment
The utility model is described in further detail 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, this utility model comprises syringe cylinder 1, described syringe cylinder 1 has first end 9 and second end 10, and 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 second end 10 of syringe cylinder 1, and it is mobile in the cavity of syringe cylinder 1 to promote piston body 18 by piston push rod 6; The inwall of syringe cylinder 1 is provided with first baffle element, second end of described first baffle element contiguous syringe cylinder 1 in syringe cylinder 1; The piston push rod 6 of piston apparatus is provided with second baffle element, described second baffle element is connected with first baffle element coupling, when promoting piston bodies 18 and in the cavity of syringe cylinder 1, move by piston push rod 6, can make that the liquid in syringe cylinder 1 cavity sprays 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.
Among this utility model embodiment, according to different instructions for uses, syringe cylinder 1 and piston apparatus have different matching relationships, are described explanation respectively with embodiment 1 and embodiment 2 below.
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 first baffle element is to be convexly set in to stop bulge loop 5 on syringe cylinder 1 inwall, 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 promotion 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, 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 second end 10 on the described piston push rod 6, and the crown direction of wave tooth 7 cooperates with stopping bulge loop 5, makes piston push rod 6 can and only can point to the direction motion of first end 9 from second end 10 in cavity.
Described wave tooth 7 all distributes towards same direction on piston push rod 6, is specially the direction of pointing to second end 10 along 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 to be pulsed or wave with stopping the liquid that can make injection export ejection in 2 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; Among this utility model embodiment, 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.Among this utility model embodiment, the fit form of first baffle element and second baffle element is not limited to stop 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 second end 10 passes, and can conveniently promote 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.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.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, charge into required heparin water or normal saline in advance, by wave tooth 7 with stop cooperating between the bulge loop 5, make heparin water in the cavity or normal saline with pulsed or wave from injection outlet 2 ejections.
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 first cavity 15 and second cavity 16, first cavity 15 and second cavity 16 are isolated by the dividing plate 12 in the syringe cylinder 1, and first cavity 15 and second cavity 16 all are connected with injection outlet 2; Be provided with in first cavity 15 in first piston device 13, the second cavitys 16 and be provided with second piston apparatus 14; The length of the piston push rod 6 of second piston apparatus 14 is not shorter than the length of the piston push rod 6 of first piston device 13.Among this utility model embodiment, the length of the piston push rod 6 of 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 first cavity 15 and second cavity 16 fully along the distribution of lengths of syringe cylinder 1, namely is not communicated with mutually between first cavity 15 and 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 second piston apparatus 14 is identical with the structure of embodiment 1, the structure of first piston device 13 and second piston apparatus 14 is also identical, just the length of the piston push rod 6 of second piston apparatus 14 is greater than the length of the piston push rod 6 of first piston push rod 13, during concrete enforcement, when the piston push rod 6 of second piston apparatus 14 was pushed to first end 9 of syringe cylinder 1 with piston body 18, the end position the when end of the piston push rod 6 of second piston apparatus 14 and first piston device 13 inner carrier push rods 6 are in vicinity second end 10 approached.
In the present embodiment, the fit form of first baffle element and second baffle element adopts the structure identical with embodiment 1, be that described first baffle element is to be convexly set in to stop bulge loop 5 on syringe cylinder 1 inwall, second baffle element is the wave tooth 7 that is arranged on first piston device 13 and second piston apparatus, the 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 first cavity 15 and second cavity, the 16 corresponding inwalls, wave tooth 7 corresponding matching that stop bulge loop 5 and first piston device 13 in first cavity 15, wave tooth 7 corresponding matching that stop bulge loop 5 and second piston apparatus 14 in second cavity 16 can make that namely the liquid in first cavity 15 and second cavity 16 all can be from injection outlet 2 with wave or pulsed ejection.
In the present embodiment, mainly being preliminary filling heparin water in first cavity 15, mainly is the preliminary filling normal saline in second cavity 16.In use, the piston push rod 6 by second piston apparatus 14 promotes the piston body 18 of second piston apparatus 14, with normal saline injection ejection earlier.After the normal saline injection has been sprayed, the pusher grip 4 of the piston push rod 6 of 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 the piston body 18 of first piston device 13 again by the piston push rod 6 of first piston device 13, so that heparin water is sprayed, avoid when some occasions need successively be used normal saline and heparin water, need to change the inconvenience that different syringes bring.
This utility model forms a cavity or a plurality of cavity as required in syringe cylinder 1, piston apparatus is set in the cavity, first baffle element all is set in the cavity of syringe cylinder 1, second baffle element is set on the piston apparatus, by first baffle element and cooperating of second baffle element stopping the motion continuity of piston apparatus in cavity to a certain extent, after the promotion piston apparatus 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 washing pipe syringe, comprises syringe cylinder (1), and described syringe cylinder (1) has first end (9) and second end (10), and 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), and it is mobile in the cavity of syringe cylinder (1) to promote piston body (18) by piston push rod (6); The inwall of syringe cylinder (1) is provided with first baffle element, second end of described first baffle element contiguous syringe cylinder (1) in syringe cylinder (1); The piston push rod of piston apparatus (6) is provided with second baffle element, described second baffle element is connected with first baffle element coupling, when moving in the cavity of syringe cylinder (1) by piston push rod (6) promotion piston body (18), can make that the liquid in syringe cylinder (1) cavity sprays with pulsed from injection outlet (2).
2. blood vessel according to claim 1 is kept somewhere path positive pressure pulse formula washing pipe syringe, it is characterized in that: described first baffle element stops bulge loop (5) for being convexly set on syringe cylinder (1) inwall, 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 washing pipe syringe, it is characterized in that: the crown direction that described piston push rod (6) is gone up wave tooth (7) is the direction that first end (9) points to second end (10), the crown direction of wave tooth (7) cooperates with stopping bulge loop (5), makes piston push rod (6) can and only can point to the direction motion of first end (9) from second end (10) in cavity.
4. blood vessel according to claim 1 is kept somewhere path positive pressure pulse formula washing pipe 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 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 washing pipe 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 washing pipe 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 washing pipe syringe, it is characterized in that: the cavity in the described syringe cylinder (1) comprises first cavity (15) and second cavity (16), first cavity (15) is isolated by the dividing plate (12) in the syringe cylinder (1) with second cavity (16), and first cavity (15) and second cavity (16) all are connected with injection outlet (2); Be provided with first piston device (13) in first cavity (15), be provided with second piston apparatus (14) in second cavity (16); The length of the piston push rod (6) of 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 washing pipe syringe, it is characterized in that: described first baffle element stops bulge loop (5) for being convexly set on syringe cylinder (1) inwall, second baffle element is for being arranged at the wave tooth (7) on first piston device (13) and the corresponding piston push rod of 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 washing pipe 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 washing pipe 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320039110XU CN203060535U (en) | 2013-01-24 | 2013-01-24 | Positive pressure impulse type washing tube injector for vascular indwelling access |
| PCT/CN2014/000025 WO2014114181A1 (en) | 2013-01-24 | 2014-01-09 | Blood vessel catheter-accessed positive pressure impulse vessel-rinsing syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320039110XU CN203060535U (en) | 2013-01-24 | 2013-01-24 | Positive pressure impulse type washing tube injector for vascular indwelling access |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203060535U true CN203060535U (en) | 2013-07-17 |
Family
ID=48759366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320039110XU Expired - Fee Related CN203060535U (en) | 2013-01-24 | 2013-01-24 | Positive pressure impulse type washing tube injector for vascular indwelling access |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203060535U (en) |
| WO (1) | WO2014114181A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071227A (en) * | 2013-01-24 | 2013-05-01 | 陆培华 | Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels |
| 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 |
| CN108331514A (en) * | 2018-03-01 | 2018-07-27 | 安徽中天保安服务集团有限公司 | A kind of needle net volume curtain |
| CN113350676A (en) * | 2021-06-04 | 2021-09-07 | 徐州市口腔医院 | Department of stomatology is with device of dosing |
| CN113573759A (en) * | 2019-06-28 | 2021-10-29 | 贝克顿·迪金森公司 | Retaining element for preventing loose contamination of partially prefilled syringes |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1751753A (en) * | 2005-11-03 | 2006-03-29 | 王建 | Injector filled and stored with medicine |
| US20100076370A1 (en) * | 2008-09-23 | 2010-03-25 | Infusion Advancements, LLC. | Apparatus and methods for purging catheter systems |
| IN2012DN00344A (en) * | 2009-07-10 | 2015-05-08 | Becton Dickinson Co | |
| CN103071227B (en) * | 2013-01-24 | 2014-09-03 | 陆培华 | Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels |
| CN203060535U (en) * | 2013-01-24 | 2013-07-17 | 陆培华 | Positive pressure impulse type washing tube injector for vascular indwelling access |
-
2013
- 2013-01-24 CN CN201320039110XU patent/CN203060535U/en not_active Expired - Fee Related
-
2014
- 2014-01-09 WO PCT/CN2014/000025 patent/WO2014114181A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071227A (en) * | 2013-01-24 | 2013-05-01 | 陆培华 | Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels |
| 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 |
| CN103071227B (en) * | 2013-01-24 | 2014-09-03 | 陆培华 | Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels |
| CN108331514A (en) * | 2018-03-01 | 2018-07-27 | 安徽中天保安服务集团有限公司 | A kind of needle net volume curtain |
| CN113573759A (en) * | 2019-06-28 | 2021-10-29 | 贝克顿·迪金森公司 | Retaining element for preventing loose contamination of partially prefilled syringes |
| CN113573759B (en) * | 2019-06-28 | 2023-11-21 | 贝克顿·迪金森公司 | Retaining element for preventing loosening and contamination of partially prefilled syringe |
| CN113350676A (en) * | 2021-06-04 | 2021-09-07 | 徐州市口腔医院 | Department of stomatology is with device of dosing |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014114181A1 (en) | 2014-07-31 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20190124 |