CN108355198A - A kind of no draw point transfusion system - Google Patents

A kind of no draw point transfusion system Download PDF

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Publication number
CN108355198A
CN108355198A CN201810181134.6A CN201810181134A CN108355198A CN 108355198 A CN108355198 A CN 108355198A CN 201810181134 A CN201810181134 A CN 201810181134A CN 108355198 A CN108355198 A CN 108355198A
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CN
China
Prior art keywords
chuck
cavity body
transfusion catheter
transfusion
magnetic
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Granted
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CN201810181134.6A
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Chinese (zh)
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CN108355198B (en
Inventor
程基才
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Individual
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Individual
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Priority to CN201810181134.6A priority Critical patent/CN108355198B/en
Publication of CN108355198A publication Critical patent/CN108355198A/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/162Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings

Abstract

The present invention provides a kind of no draw point transfusion system, it is related to the field of medical instrument technology, including infusion bottle, docking facilities and transfusion catheter, the bottleneck of infusion bottle is flexibly connected with one end of transfusion catheter by docking facilities, the other end of transfusion catheter is provided with infusion to interface, it is additionally provided with bracing means between infusion bottle and one end of transfusion catheter, bracing means includes lower running-on and upper buckle, lower running-on is hollow tubular structure, upper buckle is with annulus jaggy, and one end of lower running-on is fixed on transfusion catheter, it is upper to buckle the other end for being movably arranged on lower running-on, only liquid button and Needleless dosing mouth are additionally provided on transfusion catheter.The present invention has many advantages, such as can to eliminate puncture outfit and stabs harm and puncture clast that puncture outfit the generates secondary injury caused by patient nurse or patient.

Description

A kind of no draw point transfusion system
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of no draw point transfusion system.
Background technology
Infusion apparatus is a kind of critical passage between patient's vein and treatment liquid as the most frequently used equipment of medical treatment and nursing, Especially at home, use scope is extremely wide.Excellent infusion apparatus can help patient's early recovery, otherwise it will cause two Secondary injury, making patients' state of an illness.Though the infusion apparatus to circulate currently on the market is various in style, function is different, on primary structure It is consistent, by puncture outfit by infusion bottle(Bag)Couple with infusion pipeline, by liquid infusion patient's body, treats illness.This Primary structure is unchanged always since infusion apparatus is born, and during Clinical practice, drawback increasingly highlights.Medical staff first When carrying out venoclysis for patient, need that bottle plug puncture unit is inserted into infusion bottle compared with great strength, then the operations such as be exhausted Intravenous injection afterwards.In the process, for the ease of puncturing, the manufacture of puncture outfit surface is smooth and sharp, and medical staff is in operation It easily damages, while unavoidably being generated in piercing process and puncturing clast, puncture clast and enter infusion vessel and liquid Mixing can cause human body secondary injury even significant damage.Though there is related patents to carry out puncture outfit or attachment device in recent years Optimization, for example, by using passivity puncturing structure, increases to reduce its drawback and punctures the modes such as protective device, but still fail fundamentally to remove from office Except the use of puncture outfit, solve the above problems.Therefore, a kind of completely new fluid infusion structure device is researched and developed, the use of puncture outfit is replaced, from The above problem is eliminated in root has huge realistic meaning and use value.
Invention content
The technical problem to be solved in the present invention is to provide it is a kind of have can eliminate puncture outfit nurse or patient are stabbed Harm and puncture outfit generate puncture clast caused by patient secondary injury without draw point transfusion system.
In order to solve the above technical problems, the present invention provides a kind of no draw point transfusion system, including infusion bottle, docking facilities and Transfusion catheter, the bottleneck of infusion bottle are flexibly connected with one end of transfusion catheter by docking facilities, and the other end of transfusion catheter is set Infusion is equipped with to interface, bracing means is additionally provided between infusion bottle and one end of transfusion catheter, bracing means includes lower running-on With upper buckle, lower running-on is hollow tubular structure, and upper buckle is with annulus jaggy, and one end of lower running-on is fixed at It is upper to buckle the other end for being movably arranged on lower running-on on transfusion catheter, it is additionally provided with only liquid button and Needleless dosing on transfusion catheter Mouthful.
Preferably, the bottleneck of the infusion bottle is flexibly connected with one end of transfusion catheter by magnetic docking facilities, magnetic Docking facilities include magetic indicator joint and magnetic lower contact, and magetic indicator joint and magnetic lower contact are hollow cylinder structure, and magnetic Property connector one end and the bottleneck of infusion bottle connect, the other end of magetic indicator joint is groove-like, and one end of magnetic lower contact is convex Play shape structure, one end of magnetic lower contact and the other end of magetic indicator joint be it is magnetic connect, the other end of magnetic lower contact with it is defeated One end of fluid catheter connects, and the outside of magnetic docking facilities is also arranged with TPE conduits, and the other end of magetic indicator joint is groove-like, One end of magnetic lower contact is convex structure, can prevent from docking place's leakage between magetic indicator joint and magnetic lower contact, be arranged with TPE conduits can avoid being in direct contact with infusion drug or medical staff, patient, pollute.
Preferably, the magnetic lower contact is hollow cylinder or irony hollow cylinder, convenient for magetic indicator joint and magnetism It can be by magnetic attracting between lower contact.
Preferably, the stretching resistance of the other end magnetism connection of one end and magetic indicator joint of the magnetic lower contact is at least 10N can prevent magetic indicator joint from being combined with magnetic lower contact insecure, prevent from falling off.
Preferably, the bottleneck of the infusion bottle is flexibly connected with one end of transfusion catheter by latch, and latch includes first Latch and the second latch, the first latch includes the first upper chuck and the first lower chuck, between the first upper chuck and the first lower chuck It being mutually parallel, and is fixedly connected by the first card column between the first upper chuck and the first lower chuck, the first upper chuck is annular shape, First lower chuck is 3/4ths annulus, and the first card column is a quarter annulus, and the first upper chuck, the first lower chuck and first The exradius all same of card column forms the first cavity body, the second card between the first upper chuck, the first lower chuck and the first card column Tooth includes the second upper chuck and the second lower chuck, is mutually parallel between the second upper chuck and the second lower chuck, and the second upper chuck And second be fixedly connected by the second card column between lower chuck, the second upper chuck is 3/4ths annulus, and the second lower chuck is circle Ring-type, the second card column be a quarter annulus, the exradius all same of the second upper chuck, the second lower chuck and the second card column, The second cavity body is formed between second upper chuck, the second lower chuck and the second card column, the second upper chuck is movably arranged on the first sky In cavity, the first lower chuck is movably arranged in the second cavity body, and the shape of the shape of the second upper chuck and the first cavity body It matches, the shape of the first lower chuck is matched with the shape of the second cavity body, the inner circle of the first latch and the bottleneck of infusion bottle It is connected, the inner circle of the second lower chuck is connected with one end of transfusion catheter, passes through interference between the first latch and the second latch Cooperation, terminating to be infused only laterally to reinforce can be realized the first latch and the separation of the second latch so that transfusion operation is simple and convenient.
Preferably, it is interference fit, the first lower chuck and the second cavity between second upper chuck and the first cavity body It is interference fit between body so that can be easily separated between the first latch and the second latch, transfusion operation is simple and convenient.
Preferably, the bottleneck of the infusion bottle is flexibly connected with one end of transfusion catheter by banjo fixing butt jointing, banjo fixing butt jointing Including top connection and lower contact, one end of top connection and the bottleneck of infusion bottle connect, and the other end of top connection is provided with lug boss, And top connection is integrally formed with lug boss, is additionally provided with the first cavity body in top connection, the second cavity body is provided in lug boss, First cavity body is connected with the second cavity body, and seal head device is also movably set in banjo fixing butt jointing, and seal head device includes Sealing bar and seal head, sealing bar is arranged in the first cavity body, and one end of sealing bar is fixedly connected with one end of cavity body, It is movably set with seal head in second cavity body, is connected by spring between sealing bar and seal head, one end setting of lower contact Fluted portion, lug boss are matched with concave part, and lug boss is movably arranged in concave part, and one end setting of transfusion catheter exists In concave part, and one end of transfusion catheter is corresponding with the position of seal head, this process is not necessarily to any puncture procedure, will not bring The fines problem that puncture procedure generates.
Preferably, the lug boss is to be threadedly coupled or snap connection with the connection type of concave part, this process is without appointing What puncture procedure, the fines problem that puncture procedure will not be brought to generate, keeps infusion safer.
Preferably, it is provided with external screw thread on the outer wall of the lug boss, internal thread is provided on the inner wall of concave part groove, To be threadedly coupled between lug boss and concave part, the bottleneck of infusion bottle and one end of transfusion catheter are connected by banjo fixing butt jointing activity It connects, is not necessarily to any puncture procedure, the fines problem that puncture procedure will not be brought to generate keeps infusion safer.
Preferably, it is provided with outer buckle on the outer wall of the lug boss, buckle slot is provided on the inner wall of concave part groove, It is connected by outer buckle and buckle slot between lug boss and concave part, the bottleneck of infusion bottle passes through with one end of transfusion catheter to be docked Connector is flexibly connected, and is not necessarily to any puncture procedure, and the fines problem that puncture procedure will not be brought to generate keeps infusion safer.
Beneficial effects of the present invention:
(1)This magnetic docking facilities, latch, screw-type or buckle-type docking mode can eliminate puncture outfit to nurse or patient Stab harm and puncture outfit generate puncture clast caused by patient secondary injury;
(2)It replaces tradition to puncture using a variety of docking modes to connect:Pair of magnetic docking facilities, latch, screw-type or buckle-type Mode is connect, it is not only of low cost, and easily realized in industrial scale production.
Description of the drawings
Attached drawing is used for providing the preferred understanding to the present invention, and a part for constitution instruction, the reality with the present invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of no draw point transfusion system of the present invention;
Fig. 2 is a kind of bracing means structural schematic diagram of no draw point transfusion system of the present invention;
Fig. 3 is a kind of magnetic docking facilities structural schematic diagram of no draw point transfusion system of the present invention;
Fig. 4 is a kind of reciprocal latch structure schematic diagram of no draw point transfusion system of the present invention;
Fig. 5 is a kind of structural schematic diagram that the banjo fixing butt jointing of no draw point transfusion system is threadedly coupled of the present invention;
Fig. 6 is a kind of structural schematic diagram that the banjo fixing butt jointing of no draw point transfusion system snaps connection of the present invention.
Reference numeral is:1, infusion bottle;2, docking facilities;3, transfusion catheter;31, stop liquid button;32, Needleless dosing mouth;4、 Infusion is to interface;5, bracing means;51, lower running-on;52, upper buckle;6, magnetic docking facilities;61, magetic indicator joint;62, magnetic Lower contact;7, TPE conduits;8, latch;81, the first latch;811, the first upper chuck;812, the first lower chuck;813, the first card Column;814, the first cavity body;82, the second latch;821, the second upper chuck;822, the second lower chuck;823, the second card column;824、 Second cavity body;9, banjo fixing butt jointing;91, top connection;92, lug boss;93, the first cavity body;94, the second cavity body;95, groove Portion;96, outer buckle;97, buckle slot;98, lower contact;10, seal head device;101, sealing bar;102, seal head;103, bullet Spring.
Specific implementation mode
The specific implementation mode of the present invention is described below in conjunction with the accompanying drawings.
Embodiment one
As shown in Figs. 1-3, it is led for a kind of no draw point transfusion system of the present embodiment, including infusion bottle 1, docking facilities 2 and infusion The bottleneck of pipe 3, infusion bottle 1 is flexibly connected with one end of transfusion catheter 3 by docking facilities 2, the other end setting of transfusion catheter 3 There is infusion to interface 4, bracing means 5 is additionally provided between infusion bottle 1 and one end of transfusion catheter 3, bracing means 5 includes trapping Mouthfuls 51 and upper buckle 52, lower running-on 51 be hollow tubular structure, upper buckle 52 is with annulus jaggy, and the one of lower running-on 51 End is fixed on transfusion catheter 3, and upper buckle 52 is movably arranged on the other end of lower running-on 51, is also set up on transfusion catheter 3 There are only liquid button 31 and Needleless dosing mouth 32, the bottleneck of infusion bottle 1 to pass through 6 activity of magnetic docking facilities with one end of transfusion catheter 3 Connection, magnetic docking facilities 6 include magetic indicator joint 61 and magnetic lower contact 62, during magetic indicator joint 61 and magnetic lower contact 62 are Hollow cylinder structure, and one end of magetic indicator joint 61 is connect with the bottleneck of infusion bottle 1, the other end of magetic indicator joint 61 is groove One end of shape, magnetic lower contact 62 is convex structure, and one end of magnetic lower contact 62 is magnetic with the other end of magetic indicator joint 61 Property connection, the other end of magnetic lower contact 62 connect with one end of transfusion catheter 3, and the outside of magnetic docking facilities 6 is also arranged with TPE conduits 7, magnetic lower contact 62 are hollow cylinder or irony hollow cylinder, and one end and the magnetism of magnetic lower contact 62 connect The stretching resistance of first 61 other end magnetism connection is at least 10N, can directly will profit between lower running-on 51 and upper buckle 52 when infusion In the magnetic attracting attracting connection of principle, the other end that one end convex structure of magnetic lower contact 62 is placed on magetic indicator joint 61 is recessed Can prevent from docking place's leakage between magetic indicator joint 61 and magnetic lower contact 62 in channel-shaped, be arranged with TPE conduits 7, can avoid with it is defeated Injection object or medical staff, patient are in direct contact, and pollute, and only liquid button 31 is additionally provided on transfusion catheter 3, are not carrying out When being infused or not starting infusion, only liquid button 31 is in closed state;When needing infusion, will be infused by magnetic docking facilities 6 The bottleneck of bottle 1 dock with transfusion catheter 3, and only liquid button 31 such as is exhausted at the operations to opening at this time, is directly infused;It is temporary when needing When stopping transportation liquid, medical staff directly closes only liquid button 31, this process is not necessarily to any puncture procedure, will not bring puncture procedure The fines problem of generation.
Embodiment two
As shown in figs. 1 and 4, the bottleneck of infusion bottle 1 is flexibly connected with one end of transfusion catheter 3 by docking facilities 2, transfusion catheter 3 other end is provided with infusion to interface 4, and bracing means 5 is additionally provided between infusion bottle 1 and one end of transfusion catheter 3, reinforces Device 5 includes lower running-on 51 and upper buckle 52, and lower running-on 51 is hollow tubular structure, upper buckle 52 for annulus jaggy, And one end of lower running-on 51 is fixed on transfusion catheter 3, upper buckle 52 is movably arranged on the other ends of lower running-on 51, infusion Only liquid button 31 and Needleless dosing mouth 32 are additionally provided on conduit 3, the bottleneck of infusion bottle 1 passes through latch 8 with one end of transfusion catheter 3 Flexible connection, latch 8 include the first latch 81 and the second latch 82, and the first latch 81 includes under the first upper chuck 811 and first Chuck 812 is mutually parallel between first upper chuck 811 and the first lower chuck 812, and the first upper chuck 811 and the first lower chuck It is fixedly connected by the first card column 813 between 812, the first upper chuck 811 is annular shape, and the first lower chuck 812 is 3/4ths Annulus, the first card column 813 are a quarter annulus, and the first upper chuck 811, the first lower chuck 812 and the first card column 813 it is outer Radius of circle all same forms the first cavity body 814 between the first upper chuck 811, the first lower chuck 812 and the first card column 813, the Two latches 82 include the second upper chuck 821 and the second lower chuck 822, between the second upper chuck 821 and the second lower chuck 822 mutually It is parallel, and be fixedly connected by the second card column 823 between the second upper chuck 821 and the second lower chuck 822, the second upper chuck 821 For 3/4ths annulus, the second lower chuck 822 is annular shape, and the second card column 823 is a quarter annulus, the second upper chuck 821, The exradius all same of second lower chuck 822 and the second card column 823, the second upper chuck 821, the second lower chuck 822 and second The second cavity body 824 is formed between card column 823, the second upper chuck 821 is movably arranged in the first cavity body 814, first time card Disk 812 is movably arranged in the second cavity body 824, and the shape of the second upper chuck 821 and the shape of the first cavity body 814 match It closes, the shape of the first lower chuck 812 is matched with the shape of the second cavity body 824, inner circle and the infusion bottle 1 of the first latch 81 Bottleneck is connected, and the inner circle of the second lower chuck 822 is connected with one end of transfusion catheter 3, the second upper chuck 821 and the first cavity It is interference fit between body 814, is interference fit between the first lower chuck 812 and the second cavity body 824, by the second upper chuck 821 are inserted into the first cavity body 814, while the first lower chuck 812 being inserted into the second cavity body 824, complete connection, beat at this time Opening and closing liquid button 31 such as is exhausted at the operations, is directly infused;When needing to suspend infusion, medical staff directly closes only liquid button 31, then laterally reinforcing can be realized the first latch 81 and the second latch 82 separation so that transfusion operation is simple and convenient, this process without Any puncture procedure is needed, the fines problem that puncture procedure will not be brought to generate.
Embodiment three
As shown in Fig. 1,5 and 6, the bottleneck of infusion bottle 1 is flexibly connected with one end of transfusion catheter 3 by docking facilities 2, and infusion is led The other end of pipe 3 is provided with infusion to interface 4, and bracing means 5 is additionally provided between infusion bottle 1 and one end of transfusion catheter 3, is added It includes lower running-on 51 and upper buckle 52 to be fixedly mounted with and set 5, and lower running-on 51 is hollow tubular structure, and upper buckle 52 is with circle jaggy Ring, and one end of lower running-on 51 is fixed on transfusion catheter 3, upper buckle 52 is movably arranged on the other end of lower running-on 51, Only liquid button 31 and Needleless dosing mouth 32 are additionally provided on transfusion catheter 3, one end of the bottleneck and transfusion catheter 3 of infusion bottle 1 passes through Banjo fixing butt jointing 9 is flexibly connected, and banjo fixing butt jointing 9 includes top connection 91 and lower contact 98, the bottle of one end and infusion bottle 1 of top connection 91 The other end of mouth connection, top connection 91 is provided with lug boss 92, and top connection 91 is integrally formed with lug boss 92, in top connection 91 It is additionally provided with the first cavity body 93, the second cavity body 94, the first cavity body 93 and the second cavity body 94 are provided in lug boss 92 It is connected, seal head device 10 is also movably set in banjo fixing butt jointing 9, seal head device 10 includes sealing bar 101 and seal head 102, sealing bar 101 is arranged in the first cavity body 93, and one end of sealing bar 101 is fixedly connected with one end of cavity body 911, It is movably set with seal head 102 in second cavity body 94, is connected by spring 103 between sealing bar 101 and seal head 102, under One end of connector 98 is provided with concave part 95, and lug boss 92 is matched with concave part 95, and lug boss 92 is movably arranged on groove In portion 95, one end of transfusion catheter 3 is arranged in concave part 95, and one end of transfusion catheter 3 is opposite with the position of seal head 102 It answers, lug boss 92 is to be threadedly coupled or snap connection with the connection type of concave part 95, is provided on the outer wall of lug boss 92 outer Screw thread is provided with internal thread on the inner wall of 95 groove of concave part, to be threadedly coupled between lug boss 92 and concave part 95, lug boss It is provided with outer buckle 96 on 92 outer wall, buckle slot 97, lug boss 92 and concave part are provided on the inner wall of 95 groove of concave part Between 95 by it is outer buckle 96 and buckle slot 97 connect, when top connection 91 is not docked with lower contact 98, seal head 102 by Second cavity body 94 is sealed in the contractility of spring 103, so that the bottleneck lower end of infusion bottle 1 is in closed state;When need When being infused, transfusion catheter 3 is mounted on by screw thread rotation or by outer buckle 96 in buckle slot 97 so that top connection 91 dock with lower contact 98, and to realize the bottleneck of infusion bottle 1 and docking for transfusion catheter 3, this process is grasped without any puncture Make, the fines problem that puncture procedure will not be brought to generate.

Claims (10)

1. a kind of no draw point transfusion system, it is characterised in that:Including infusion bottle(1), docking facilities(2)And transfusion catheter(3), defeated Liquid bottle(1)Bottleneck and transfusion catheter(3)One end pass through docking facilities(2)Flexible connection, transfusion catheter(3)The other end set Infusion is equipped with to interface(4), docking facilities(2)The transfusion catheter of lower end(3)On be additionally provided with bracing means(5), bracing means (5)Including lower running-on(51)With upper buckle(52), lower running-on(51)For hollow tubular structure, upper buckle(52)For with jaggy Annulus, and lower running-on(51)One end be fixed at transfusion catheter(3)On, upper buckle(52)It is movably arranged on lower running-on(51) The other end, transfusion catheter(3)On be additionally provided with only liquid button(31)With Needleless dosing mouth(32).
2. a kind of no draw point transfusion system according to claim 1, it is characterised in that:Infusion bottle(1)Bottleneck and infusion Conduit(3)One end pass through magnetic docking facilities(6)Flexible connection, magnetic docking facilities(6)Including magetic indicator joint(61)And magnetic Property lower contact(62), magetic indicator joint(61)With magnetic lower contact(62)It is hollow cylinder structure, and magetic indicator joint(61)'s One end and infusion bottle(1)Bottleneck connection, magetic indicator joint(61)The other end be groove-like, magetic indicator joint(62)One end be it is convex Play shape structure, magnetic lower contact(62)One end and magetic indicator joint(61)The other end be it is magnetic connect, magnetic lower contact(62) The other end and transfusion catheter(3)One end connection, magnetic docking facilities(6)Outside be also arranged with TPE conduits(7).
3. a kind of no draw point transfusion system according to claim 2, it is characterised in that:Magnetic lower contact(62)For hollow circle Cylinder or irony hollow cylinder.
4. a kind of no draw point transfusion system according to claim 2, it is characterised in that:Magnetic lower contact(62)One end with Magetic indicator joint(61)The other end magnetism connection stretching resistance be at least 10N.
5. a kind of no draw point transfusion system according to claim 1, it is characterised in that:Infusion bottle(1)Bottleneck and infusion Conduit(3)One end pass through latch(8)Flexible connection, latch(8)Including the first latch(81)With the second latch(82), the first card Tooth(81)Including the first upper chuck(811)With the first lower chuck(812), the first upper chuck(811)With the first lower chuck(812)It Between be mutually parallel, and the first upper chuck(811)With the first lower chuck(812)Between pass through the first card column(813)It is fixedly connected, the One upper chuck(811)For annular shape, the first lower chuck(812)For 3/4ths annulus, the first card column(813)For quadrant Ring, and the first upper chuck(811), the first lower chuck(812)With the first card column(813)Exradius all same, block on first Disk(811), the first lower chuck(812)With the first card column(813)Between form the first cavity body(814), the second latch(82)Packet Include the second upper chuck(821)With the second lower chuck(822), the second upper chuck(821)With the second lower chuck(822)Between it is mutually flat Row, and the second upper chuck(821)With the second lower chuck(822)Between pass through the second card column(823)It is fixedly connected, the second upper chuck (821)For 3/4ths annulus, the second lower chuck(822)For annular shape, the second card column(823)For a quarter annulus, second Upper chuck(821), the second lower chuck(822)With the second card column(823)Exradius all same, the second upper chuck(821), Two lower chucks(822)With the second card column(823)Between form the second cavity body(824), the second upper chuck(821)It is movably arranged on First cavity body(814)It is interior, the first lower chuck(812)It is movably arranged on the second cavity body(824)It is interior, and the second upper chuck (821)Shape and the first cavity body(814)Shape match, the first lower chuck(812)Shape and the second cavity body (824)Shape match, the first latch(81)Inner circle and infusion bottle(1)Bottleneck be connected, the second lower chuck(822)'s Inner circle and transfusion catheter(3)One end be connected.
6. a kind of no draw point transfusion system according to claim 5, it is characterised in that:Second upper chuck(821)With first Cavity body(814)Between for interference fit, the first lower chuck(812)With the second cavity body(824)Between for interference fit.
7. a kind of no draw point transfusion system according to claim 1, it is characterised in that:Infusion bottle(1)Bottleneck and infusion Conduit(3)One end pass through banjo fixing butt jointing(9)Flexible connection, banjo fixing butt jointing(9)Including top connection(91)And lower contact(98), on Connector(91)One end and infusion bottle(1)Bottleneck connection, top connection(91)The other end be provided with lug boss(92), and on connect Head(91)With lug boss(92)It is integrally formed, top connection(91)Inside it is additionally provided with the first cavity body(93), lug boss(92)Inside set It is equipped with the second cavity body(94), the first cavity body(93)With the second cavity body(94)It is connected, banjo fixing butt jointing(9)Interior also activity is set It is equipped with seal head device(10), seal head device(10)Including sealing bar(101)And seal head(102), sealing bar(101)Setting In the first cavity body(93)It is interior, and sealing bar(101)One end and cavity body(911)One end be fixedly connected, the second cavity body (94)Inside it is movably set with seal head(102), sealing bar(101)And seal head(102)Between pass through spring(103)Connection, under Connector(98)One end be provided with concave part(95), lug boss(92)With concave part(95)It matches, and lug boss(92)Activity It is arranged in concave part(95)It is interior, transfusion catheter(3)One end be arranged in concave part(95)It is interior, and transfusion catheter(3)One end with Seal head(102)Position it is corresponding.
8. a kind of no draw point transfusion system according to claim 7, it is characterised in that:Lug boss(92)With concave part(95) Connection type be threadedly coupled or snap connection.
9. a kind of no draw point transfusion system according to claim 8, it is characterised in that:Lug boss(92)Outer wall on be arranged There are external screw thread, concave part(95)Internal thread, lug boss are provided on the inner wall of groove(92)With concave part(95)Between be screw thread Connection.
10. a kind of no draw point transfusion system according to claim 8, it is characterised in that:Lug boss(92)Outer wall on set It is equipped with outer buckle(96), concave part(95)It is provided with buckle slot on the inner wall of groove(97), lug boss(92)With concave part(95) Between pass through outer buckle(96)And buckle slot(97)Connection.
CN201810181134.6A 2018-03-06 2018-03-06 Steel needle-free infusion system Active CN108355198B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109224181A (en) * 2018-11-15 2019-01-18 宿迁市春明医疗器材有限公司 One kind exempting from puncture transfusion system
CN113058154A (en) * 2021-03-01 2021-07-02 河北医科大学第二医院 Oral-nasal replacement kit for oral-nasal retention pipeline

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