CN107469179A - A kind of Invasive Technology Department contrast agent injector - Google Patents

A kind of Invasive Technology Department contrast agent injector Download PDF

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Publication number
CN107469179A
CN107469179A CN201710754074.8A CN201710754074A CN107469179A CN 107469179 A CN107469179 A CN 107469179A CN 201710754074 A CN201710754074 A CN 201710754074A CN 107469179 A CN107469179 A CN 107469179A
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CN
China
Prior art keywords
contrast agent
syringe
looped pipeline
regulation
slotted eye
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Granted
Application number
CN201710754074.8A
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Chinese (zh)
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CN107469179B (en
Inventor
刘志林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roentgen (Shanghai) Medical Technology Co.,Ltd.
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刘志林
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Priority to CN201710754074.8A priority Critical patent/CN107469179B/en
Publication of CN107469179A publication Critical patent/CN107469179A/en
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Classifications

    • 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
    • A61M5/007—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 for contrast media
    • 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
    • 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
    • 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
    • A61M2005/3143—Damping means for syringe components executing relative movements, e.g. retarders or attenuators slowing down or timing syringe mechanisms
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/19—Constructional features of carpules, syringes or blisters

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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 invention discloses a kind of Invasive Technology Department contrast agent injector, belong to medical operating apparatus field, including acupuncture treatment, syringe, isolation moving mass, pull bar and hand push portion, regulation looped pipeline is provided with syringe at center, being fastened along its length on regulation looped pipeline has spiral bar, it is overall to form rotation, the through hole being adapted with rotation global sections is provided with the middle part of isolation moving mass, the slotted eye connected with through hole is provided with the middle part of pull bar, the secondary push rod extended in regulation looped pipeline is provided with slotted eye, secondary putting back-end is connected with the spring for being fixed on slotted eye rear end；Injector also includes hand-held pushing mechanism, and it includes being installed in front handlebar and rear handle in connecting shaft, and they are separately mounted to the outer middle side part of syringe and hand push subordinate portion, the connection end of front handlebar and rear handle are provided with torsionspring.The present invention solves the injector problem more laborious when injecting contrast agent, can keep the stabilization of injector；Save the time of intervention medical treatment；So that contrast agent is at the uniform velocity injected into human body.

Description

A kind of Invasive Technology Department contrast agent injector
Technical field
The present invention relates to medical operating apparatus field, is specifically related to a kind of Invasive Technology Department contrast agent injector.
Background technology
In general injector, its structure include acupuncture treatment, syringe, isolation moving mass, pull bar and hand push portion, acupuncture treatment and pass through company Female connector is arranged on syringe front end, and isolation moving mass, pull bar and hand push portion are sequentially connected and an entirety that permeates, and isolates fortune Motion block is always positioned in syringe, and the space between pull bar and syringe is in communication with the outside by the opening of back end of syringe.Its work Process is：When extracting medicament, pull bar is pulled back so that it is empty that relative vacuum is formed between isolation moving mass and syringe front end Between, medicament enters syringe in the presence of external pressure；During injection medicament, pushing hands pushed section forward, atmospheric pressure also act on every From the one side of moving mass connection pull bar, medicament is released into injector.
In general injector is applied to contrast agent bolus, and because the viscosity of contrast agent is higher than general medicament, injector exists It is more laborious during bolus administration of contrast agent, and to spend longer time so that the hand of medical personnel easily ache in injection process and Fatigue, and it is difficult in injection process the stabilization for keeping injector, once shifting, it gently can then increase the pain for receiving the person of injecting Sense, heavy then deviate injection site, to receiving, the person of injecting causes to damage.In addition, medical personnel when injecting contrast agent, easily exert oneself not , acupuncture treatment and the pressure transient of syringe junction are caused, the speed of contrast agent injection human body changes, and then may shadow Ring to angiographic diagnosis and observe.
The content of the invention
1. technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of Invasive Technology Department contrast agent injector, which solves injector and exist Problem more laborious during contrast agent is injected, meanwhile, the stabilization of injector can be kept, avoids shifting；Contrast agent can be promoted Extraction and injection process, saved intervention medical observation time；It may advantageously facilitate acupuncture treatment and the pressure of syringe junction Power is stable so that contrast agent is at the uniform velocity injected into human body.
2. technical scheme
To solve the above problems, the present invention adopts the following technical scheme that：
A kind of Invasive Technology Department contrast agent injector, including acupuncture treatment, syringe, isolation moving mass, pull bar and hand push portion, the pin Regulation looped pipeline is provided with cylinder at center, adjusts looped pipeline front opening, rear end relative closure, side along its length on the regulation looped pipeline There is spiral bar to being fastened, form rotation entirety, hole shape is provided with the middle part of the isolation moving mass and is mutually fitted with rotation global sections The through hole matched somebody with somebody, and isolate moving mass and be set in rotation on the whole, the slotted eye connected with through hole, slotted eye are provided with the middle part of the pull bar The other end extends to the junction of pull bar and hand push portion, and the pair extended in the slotted eye provided with front end in regulation looped pipeline pushes away Bar, and secondary push rod front end is provided with to be brought into close contact and is fixed with spring, bullet in the casting lug thereon of regulation looped pipeline inwall, the secondary putting back-end The spring other end is fixed on slotted eye rear end；The injector also includes hand-held pushing mechanism, and the hand-held pushing mechanism includes pacifying Front handlebar and rear handle in connecting shaft, the front handlebar other end are arranged on the outer middle side part of syringe, the rear handle peace Mounted in hand push subordinate portion, front handlebar in the connection end angle of cut of rear handle with being provided with torsionspring.
Specifically, the shape that through hole hole shape connects for an elongate rectangular and a circle, and the circular diameter and tune It is consistent to save looped pipeline bore, length of elongate rectangular etc. is longer than spiral bar with adjusting the distance between looped pipeline, the width of elongate rectangular With the consistency of thickness of spiral bar.Based on the cross sectional shape that rotation is overall, while size is limited, when pull bar drives isolation moving mass When movable, spiral bar can not can only be rotating along its spiral path and gradually passed through directly through through hole elongate rectangular part Through hole, meet to drive the integrally rotated design needs of rotation using pull bar.
Further, the aperture of the slotted eye is consistent with the external diameter that rotation is overall.Because the purpose of design of slotted eye is mainly In order to give the overall offer of rotation one place that can be retreated, and fixed joint push rod, and slotted eye is in the middle part of pull bar.Meeting While slotted eye purpose of design, it is also considered that to the strength problem of pull bar, take into account both, therefore the aperture of slotted eye is set to can just For rotating integrally movable size.
Further, the secondary putting back-end is provided with the casting lug thereon for fitting in slotted eye inwall.So that secondary push rod is being promoted Or when pulling, keep straight line to walk, avoid that off normal occurs, influence normal operation.
Specifically, the original state of the spring is natural relaxation state.It is easy to analyze secondary push rod operation, promotes Its smooth operation, meet design needs.
Further, it is provided with card in the installation place of syringe on the front handlebar to stitch, the relevant position of the syringe is provided with The card article being adapted with card seam；Handle is provided with the neck being adapted to hand push subordinate portion in the installation place in hand push portion after described.So that To be connected together between front handlebar and syringe, hand push portion can be placed directly within neck, be easy to the peace installation and dismantling of hand-held pushing mechanism Unload, neither influence injector and extract contrast agent process, and can promotes injector injection process.
3. beneficial effect
(1) present invention is provided with hand-held pushing mechanism, hand-held by slowly holding with a firm grip after injector installation on the components Part promotes pull bar, you can completes the injection process of contrast agent.On the one hand, using the grip of whole hand come instead of thumb Thrust, it is easier to exert a force, and the action effect of power is stronger, solves the injector problem more laborious when injecting contrast agent, The hand of medical personnel aching in injection process and tired sense are avoided, also a saving injection time.On the other hand, hold and push away Stabilization is installed, and such as above-mentioned injection process is no longer laborious, then can keep the stabilization of injector, avoid between dynamic component and injector Shift.
(2) present invention is provided with regulation looped pipeline and the spiral bar being fastened thereon in syringe, and in isolation moving mass The upper through hole being adapted there is provided hole shape with rotating global sections so that isolation moving mass is in moving process, the elongated square of through hole The effect of power is produced between shape part and spiral bar so that spiral bar rotates, and drives regulation looped pipeline to rotate, that is, rotates whole Body autologous rotation in syringe, is stirred to the contrast agent in syringe, advantageously reduces the viscosity of contrast agent, and then can promote Enter extraction and the injection process of contrast agent, save the time of intervention medical observation.
(3) the regulation looped pipeline front opening in the present invention, the fore-end of secondary push rod is internally provided with, secondary push rod, which passes through, to be adjusted Looped pipeline rear end is saved, secondary putting back-end is fixed on the junction of pull bar and hand push portion by spring.In injection process, pull bar and Secondary push rod is moved forward by promotion, but because the cushioning effect of spring so that the translational speed of secondary push rod is less than pull bar Translational speed so that the moving parameter of syringe and the contrast agent in regulation looped pipeline is different, and then may advantageously facilitate acupuncture treatment With the pressure stability of syringe junction so that contrast agent is at the uniform velocity injected into human body.
The present invention solves the injector problem more laborious when injecting contrast agent, meanwhile, the steady of injector can be kept It is fixed, avoid shifting；Extraction and the injection process of contrast agent can be promoted, saved the time of intervention medical observation；Have Beneficial to the pressure stability for promoting acupuncture treatment and syringe junction so that contrast agent is at the uniform velocity injected into human body.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1；
A~d is procedure chart of the injector body when extracting contrast agent in Fig. 3；
A~d is procedure chart of the injector body when injecting contrast agent in Fig. 4.
Wherein, 1- has an acupuncture treatment, 2- syringes, 3- isolation moving mass, 4- pull bars, 5- hand push portion, 6- regulation looped pipelines, 7- spirals Bar, 8- slotted eyes, 9- pair push rods, 10- springs, 11- front handlebars, handle after 12-, 13- connecting shafts, 14- torsionsprings, 15- through holes, 16- cards stitch, 17- card articles, 18- necks.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and examples.
Embodiment
A kind of Invasive Technology Department contrast agent injector as depicted in figs. 1 and 2, including acupuncture treatment 1, syringe 2, isolation moving mass 3, push away Pull bar 4 and hand push portion 5, regulation looped pipeline 6 is provided with the syringe 2 at center, adjusts the front opening of looped pipeline 6, the regulation looped pipeline 6 On be fastened have spiral bar 7 along its length, form that rotation is overall, and the middle part of isolation moving mass 3 is provided with hole shape and institute The through hole 15 that rotation global sections shape size is adapted is stated, and isolates moving mass 3 and is set in rotation on the whole, the pull bar 4 middle parts are provided with the slotted eye 8 connected with through hole 15, and the other end of slotted eye 8 extends to the junction of pull bar 4 and hand push portion 5, the groove The secondary push rod 9 extended in hole 8 provided with front end in regulation looped pipeline 6, and the front end of secondary push rod 9 is provided with and is brought into close contact in regulation looped pipeline 6 The casting lug thereon of inwall, the secondary rear end of push rod 9 are fixed with spring 10, and the other end of spring 10 is fixed on the rear end of slotted eye 8；It is described to inject Device also includes hand-held pushing mechanism, and the hand-held pushing mechanism includes front handlebar 11 and the rear handle being installed in connecting shaft 13 12, the other end of front handlebar 11 is arranged on 2 outer middle side part of syringe, and the rear handle 12 is arranged on the bottom of hand push portion 5, front handlebar 11 in the connection end angle of cut of rear handle 12 with being provided with torsionspring 14.
Specifically, based on the overall cross sectional shape of rotation, while size is limited：The hole shape of through hole 15 is an elongate rectangular The shape connected with a circle, and the circular diameter is consistent with the regulation bore of looped pipeline 6, length of elongate rectangular etc. is longer than spiral Bar 7 is with adjusting the distance between looped pipeline 6, the width of elongate rectangular and the consistency of thickness of spiral bar 7.Isolate when pull bar 4 drives When moving mass 3 moves forward and backward, spiral bar 7 can not can only be rotating along its spiral road directly through the elongate rectangular part of through hole 15 Footpath gradually passes through through hole 15, meets and drives the integrally rotated design needs of rotation using pull bar 4.
In the present embodiment, the aperture of the slotted eye 8 is consistent with the external diameter that rotation is overall.Because the purpose of design of slotted eye 8 Primarily to give the overall offer of rotation one place that can be retreated, and fixed joint push rod 9, and slotted eye 8 is located in pull bar 4 Portion.While 8 purpose of design of slotted eye is met, it is also considered that to the strength problem of pull bar 4, both are taken into account, therefore by the hole of slotted eye 8 Footpath is set to can just be for rotating integrally movable size.
In the present embodiment, the rear end of secondary push rod 9 is provided with the casting lug thereon for fitting in the inwall of slotted eye 8.So that secondary push rod 9 exists When being pushed or pulled, keep straight line to walk, avoid that off normal occurs, influence normal operation.
Specifically, the original state of the spring 10 is natural relaxation state.It is easy to analyze the secondary operation of push rod 9, Promote its smooth operation, meet design needs.
In the present embodiment, on the front handlebar 11 the installation place of syringe 2 be provided with card seam 16, the syringe 2 it is corresponding Position is provided with the card article 17 being adapted with card seam 16；It is described after handle 12 the installation place in hand push portion 5 be provided with hand push portion 5 The neck 18 of portion's adaptation.So that to be connected together between front handlebar 11 and syringe 2, hand push portion 5 can be placed directly within neck 18, just In the installation and removal of hand-held pushing mechanism, neither influence injector and extract contrast agent process, and can promotes injector to inject Journey.
The specific operation process of above-mentioned Invasive Technology Department contrast agent injector is：
1st, the process of contrast agent is extracted, as shown in Figure 3：
(1) under original state, such as Fig. 3 (a), isolation moving mass 3 is located at the front end of syringe 2, and the secondary front end of push rod 9 is positioned at regulation The front end of looped pipeline 6, spring 10 are in natural relaxation state；
(2) acupuncture treatment 1 is placed in contrast agent, pulls pull bar 4, drive isolation moving mass 3 to be moved rearwards, contrast agent starts Into syringe 2 (contrast agent from regulation the front end of looped pipeline 6 and the barrel of syringe 2 between space entrance), spring 10 gradually be intended to by Stretching, in the process, rotation overall (regulation looped pipeline 6 and spiral bar 7) rotate, and secondary push rod 9 keeps origin-location motionless, Such as Fig. 3 (b)；
(3) after spring 10 is stretched to a certain degree, with being moved after the continuation of pull bar 4, secondary push rod 9 starts to be moved back Dynamic, while syringe 2 are entered, part contrast agent is inhaled into regulation looped pipeline 6 contrast agent；It is located at syringe 2 to isolation moving mass 3 Rearmost end, pull bar 4 move after stopping, and rotation is overall to stop operating, and in the process, spring 10 is constantly in extended state, such as Fig. 3 (c)；
(4) spring 10 is slowly resetted, and secondary push rod 9 is moved after continuing, and natural relaxation state, such as Fig. 3 are returned to spring 10 (d).Complete the extraction process of contrast agent.
2nd, the process of contrast agent is injected
(1) syringe 2 is installed on front handlebar 11, while hand push portion 5 is placed in the neck 18 of rear handle 12, installed Bi Hou, acupuncture treatment is penetrated into injection site.Now, as Fig. 4 (a), isolation moving mass 3 are located at the rearmost end of syringe 2, the secondary front end of push rod 9 Positioned at regulation looped pipeline 6 natural relaxation state is in compared with rear end, spring 10；
(2) front handlebar 11 and rear handle 12 are slowly clutched, pull bar 4 is slowly pushed away forward, isolates moving mass 3 to reach Dynamic, rotation is overall to be started to rotate, and contrast agent is forced out injector, and into the person's of being injected body, spring 10 is in micro- compressive state, Secondary push rod 9 is also pushed forward movement, but because the cushioning effect of spring 10 so that the translational speed of secondary push rod 9 is less than push-and-pull The translational speed of bar 4, such as Fig. 4 (b)；
(3) pull bar 4 continues to move along, and the front end of syringe 2 is arrived to moving mass 3 is isolated, now, before clutching again Handle 11 and rear handle 12, pull bar 4 stop reach, and rotation is overall to stop operating, and in the process, spring 10 is constantly in micro- Compressive state, such as Fig. 4 (c)；
(4) spring 10 is slowly resetted, and secondary push rod 9 continues to move forward, and natural relaxation state is returned to spring 10, and regulation is secondary Contrast agent in pipe 6 releases injector, such as Fig. 4 (d).Complete the injection process of contrast agent.
In the injection process of above-mentioned contrast agent, if the speed for clutching front handlebar 11 and rear handle 12 is accelerated, have an acupuncture treatment 1 row The pressure abruptly increase injected speed, cause acupuncture treatment 1 and the junction of syringe 2 that speed does not catch up with syringe 2 is put, now, because secondary push rod 9 Translational speed be less than pull bar 4 translational speed, adjust looped pipeline 6 in pressure it is smaller, part contrast agent enter regulation looped pipeline 6, so as to alleviate the pressure of acupuncture treatment 1 and the junction of syringe 2；If the speed for clutching front handlebar 11 and rear handle 12 slows down, syringe 2 The mass rate of emission injected speed and do not catch up with acupuncture treatment 1, cause the pressure of junction of acupuncture treatment 1 and syringe 2 to die-off, now, although Because the translational speed of secondary push rod 9 is less than the translational speed of pull bar 4, the pressure adjusted in looped pipeline 6 is smaller, the portion in syringe 2 Contrast agent is divided to have the trend into regulation looped pipeline 6, but the pressure of acupuncture treatment 1 and the junction of syringe 2 is smaller, syringe 2 and regulation looped pipeline 6 Interior contrast agent is all partial to the movement of acupuncture treatment 1, so as to add the pressure of acupuncture treatment 1 and the junction of syringe 2.It follows that this Invention can promote acupuncture treatment 1 and the pressure stability of the junction of syringe 2 so that contrast agent is at the uniform velocity injected into human body.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention, And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above Change, modification will all fall in scope of the presently claimed invention.

Claims (6)

1. a kind of Invasive Technology Department contrast agent injector, including acupuncture treatment (1), syringe (2), isolation moving mass (3), pull bar (4) and hand Pushed section (5), it is characterised in that regulation looped pipeline (6) is provided with the interior center of the syringe (2), adjusts looped pipeline (6) front opening, institute State to be fastened along its length on regulation looped pipeline (6) and have spiral bar (7), be collectively forming rotation entirety, the isolation motion Block (3) middle part is provided with the through hole (15) that hole shape is adapted with rotating global sections, and isolates moving mass (3) and be set in rotation entirety On, the slotted eye (8) connected with through hole (15) is provided with the middle part of the pull bar (4), slotted eye (8) other end extends to pull bar (4) With the junction of hand push portion (5), the interior secondary push rod (9) extended to provided with front end in regulation looped pipeline (6) of the slotted eye (8), and pair Push rod (9) front end, which is provided with, to be brought into close contact in the casting lug thereon of regulation looped pipeline (6) inwall, and secondary push rod (9) rear end is fixed with spring (10), spring (10) other end is fixed on slotted eye (8) rear end；The injector also includes hand-held pushing mechanism, and described hold pushes away Dynamic component includes the front handlebar (11) and rear handle (12) being installed in connecting shaft (13), front handlebar (11) other end peace Mounted in syringe (2) outer middle side part, the rear handle (12) is arranged on hand push portion (5) bottom, front handlebar (11) and rear handle (12) The connection end angle of cut in torsionspring (14) is installed.
2. a kind of Invasive Technology Department contrast agent injector according to claim 1, it is characterised in that through hole (15) hole shape is One elongate rectangular and a circular shape connected, and the circular diameter is consistent with regulation looped pipeline (6) bore, the length of elongate rectangular Degree etc. is longer than spiral bar (7) with adjusting the distance between looped pipeline (6), the width of elongate rectangular and the consistency of thickness of spiral bar (7).
A kind of 3. Invasive Technology Department contrast agent injector according to claim 1, it is characterised in that the aperture of the slotted eye (8) It is consistent with the external diameter that rotation is overall.
A kind of 4. Invasive Technology Department contrast agent injector according to claim 3, it is characterised in that secondary push rod (9) rear end Provided with the casting lug thereon for fitting in slotted eye (8) inwall.
A kind of 5. Invasive Technology Department contrast agent injector according to claim 1, it is characterised in that the spring (10) it is initial State is natural relaxation state.
A kind of 6. Invasive Technology Department contrast agent injector according to claim 1, it is characterised in that on the front handlebar (11) The installation place of syringe (2) is provided with card seam (16), and the relevant position of the syringe (2) is provided with the card article being adapted with card seam (16) (17)；Handle (12) is provided with the neck (18) being adapted to hand push portion (5) bottom in the installation place of hand push portion (5) after described.
CN201710754074.8A 2017-08-29 2017-08-29 Contrast agent injector for interventional department Active CN107469179B (en)

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Application Number Priority Date Filing Date Title
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CN107469179B CN107469179B (en) 2020-09-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2029567C1 (en) * 1990-08-23 1995-02-27 Шарлот Юрий Михайлович Syringe
US20010018571A1 (en) * 1999-05-21 2001-08-30 Mallinckrodt Inc. Suspension device and method
KR20100072430A (en) * 2008-12-22 2010-07-01 이승재 Method and device for injecting polymer fiber
CN201807020U (en) * 2010-09-26 2011-04-27 刘景艳 Cardiovascular interventional injector
CN201930345U (en) * 2011-02-16 2011-08-17 孙慧莉 Medicine liquor uniformly-mixing injector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2029567C1 (en) * 1990-08-23 1995-02-27 Шарлот Юрий Михайлович Syringe
US20010018571A1 (en) * 1999-05-21 2001-08-30 Mallinckrodt Inc. Suspension device and method
KR20100072430A (en) * 2008-12-22 2010-07-01 이승재 Method and device for injecting polymer fiber
CN201807020U (en) * 2010-09-26 2011-04-27 刘景艳 Cardiovascular interventional injector
CN201930345U (en) * 2011-02-16 2011-08-17 孙慧莉 Medicine liquor uniformly-mixing injector

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Effective date of registration: 20200605

Address after: 200082 2F, building 1223 (f), West, No. 1687, Changyang Road, Yangpu District, Shanghai

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