CN109621073A - A kind of automatic exhaust automatic liquid-stopping transfusion apparatus - Google Patents

A kind of automatic exhaust automatic liquid-stopping transfusion apparatus Download PDF

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Publication number
CN109621073A
CN109621073A CN201910057397.0A CN201910057397A CN109621073A CN 109621073 A CN109621073 A CN 109621073A CN 201910057397 A CN201910057397 A CN 201910057397A CN 109621073 A CN109621073 A CN 109621073A
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CN
China
Prior art keywords
clutch
fastener
automatic
clutchs
catheter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910057397.0A
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Chinese (zh)
Inventor
熊长发
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Individual
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Individual
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Filing date
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Priority to CN201910057397.0A priority Critical patent/CN109621073A/en
Publication of CN109621073A publication Critical patent/CN109621073A/en
Pending legal-status Critical Current

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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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • 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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
    • 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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
    • A61M5/1626—Needle protectors therefor
    • 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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804—Flow controllers
    • A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
    • 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
    • A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
    • A61M5/38—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 with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters

Landscapes

  • 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)
  • Emergency Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses a kind of automatic exhaust automatic liquid-stopping transfusion apparatus, including bottle plug puncture unit, dropping funnel, flow regulator, transfusion catheter, intravenous infusion needle and three clutchs, three clutchs include three clutch upper covers, cylindrical three clutch bodies and three clutch lower covers, inlet tube is equipped in the middle part of dome shaped cover, exhaust pipe is provided between three clutch cover rims and inlet tube, bottom is equipped with filter membrane mounting base in lower cover, fastener is equipped between three clutchs and three clutch lower covers, the middle part of fastener is equipped with lumen, catheter is equipped between lumen and fastener, fastener bottom is upward arch, liquid medicine filtering membrane is equipped between fastener and the filter membrane mounting base of three clutch lower covers, exhaust pipe, which is nested with, is equipped with venting plug.The present invention can be realized automatic exhaust without three clutch of manual compression, and blood backflow or gas can be effectively prevent to enter patient's body, mitigate the heavy mental burden of medical staff, patient and family numbers of patients.

Description

A kind of automatic exhaust automatic liquid-stopping transfusion apparatus
Technical field
The present invention relates to medical instruments fields, more particularly to a kind of automatic exhaust automatic liquid-stopping transfusion apparatus.
Background technique
Currently, generalling use disposable transfusion device, such infusion apparatus was using when clinical vein is infused in medical field It is had the following problems in journey: when being infused using general infusion set, it is necessary to manually squeeze effect for medical fluid and introduce three clutchs, three close Gas exclusion in device and transfusion catheter is difficult, loaded down with trivial details, time-consuming, if bubble cannot be excluded very well, bubble enters trouble with medical fluid In person's body, the danger such as aeroembolism are easily caused.After the completion of infusion, due to there is no automatic liquid-stopping function, medical staff is needed to replace in time Infusion bottle pulls out transfusion needle, and otherwise air, which can enter in patient, causes aeroembolism or other such as blood back insecurity factors, this The working strength and heavy mental burden of medical staff can be all directly increased a bit, while being critically ill in face of urgent infusion and rescue When patient, serious consequence will be caused.
Therefore, in view of the above problems, during clinical transfusion, how to realize that automatic exhaust, automatic liquid-stopping are outstanding It is important.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, adaptation reality needs, and discloses a kind of be vented automatically certainly Dynamic only liquid infusion apparatus.
To achieve the above object, the technical scheme adopted by the invention is as follows: a kind of automatic exhaust automatic liquid-stopping transfusion apparatus, packet Bottle plug puncture unit, dropping funnel, flow regulator, transfusion catheter, intravenous infusion needle are included, the bottle plug puncture unit, dropping funnel, flow are adjusted Device is connected with intravenous infusion needle by transfusion catheter, and three clutchs are provided on the transfusion catheter of the dropping funnel lower part, and described three close Device includes that three clutch upper covers, cylindrical three clutch bodies and three clutch lower covers, the three clutchs upper cover and three clutch bodies are integrated note Plastic is equipped with upward dome shaped cover in the middle part of the three clutchs upper cover, is equipped with inlet tube in the middle part of the dome shaped cover, in three clutch It is provided with exhaust pipe between lid edge and inlet tube, the three clutchs lower cover includes lower cover, downward arch-shaped bottom and drain pipe, The lower cover, arch-shaped bottom and drain pipe are integrated moulding, in the lower cover bottom be equipped with filter membrane mounting base, described three Fastener is equipped between clutch and three clutch lower covers, the fastener includes upper annulus and lower annulus, the upper annulus and lower circle Ring is integrated moulding, and the middle part of the fastener is equipped with lumen, and the lumen is located at the underface of inlet tube, the lumen and Catheter is equipped between fastener, the fastener bottom is upward arch, the filtering of the fastener and three clutch lower covers Liquid medicine filtering membrane is provided between film mounting base, the exhaust pipe, which is nested with, is equipped with venting plug, the exhaust pipe and venting plug Between be provided with air-filtering membrane.
Further, the diameter of the upper annulus is greater than the diameter of lower annulus.
Further, spacing is equipped between the inlet tube and exhaust pipe, the spacing is 0.5-1mm.
Further, the lumen and catheter are integrated moulding, and the height of the lumen is higher than the height of catheter.
Further, the filter membrane mounting base is the rib around drain pipe spaced set.
Further, upper card slot is equipped in the three clutchs body in the middle part of wall, is set in the middle part of the upper annulus outer wall of the fastener There is upper clamp bar, the upper card slot is adapted with lower clamp bar, lower bayonet slot is equipped in the middle part of the lower cover inner wall, under the fastener Lower clamp bar is equipped in the middle part of annulus outer wall, the lower bayonet slot is adapted with lower clamp bar.
Further, the air-filtering membrane is hydrophobic filter film, and the liquid medicine filtering membrane is hydrophilic filter film.
Further, the lower part of the transfusion catheter is provided with outer circle taper joint, state outer circle taper joint nested encryptions have it is defeated Liquid needle stand, the infusion needle stand are connected with intravenous infusion needle.
Further, the outside of the bottle plug puncture unit is provided with protective sleeve for bottle stopper puncture outfit, under the bottle plug puncture unit Portion is provided with air filter.
Compared with prior art, beneficial effects of the present invention: (1) three clutchs have exhaust, only liquid, three function of filtering simultaneously Can, three clutch upper covers and three clutch body integrated injection moldings, fastener, three clutch lower covers use modularized design, and structure is simple, It is easy to assembly；
(2) automatic exhaust, is not necessarily to three clutch of manual compression, reduces the loaded down with trivial details program of existing infusion apparatus, and it is strong to reduce medical staff's labour Degree；
(3) automatic liquid-stopping, can to the medical fluid in transfusion catheter realize automatic flow-stop effect, effectively prevent blood backflow or gas into Enter patient's body, mitigates the heavy mental burden of medical staff, patient and family numbers of patients.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is three clutch structural schematic diagrams of the invention；
Fig. 3 is the structural schematic diagram of three clutch upper covers and three clutchs of the invention；
Fig. 4 is three clutch upper cover schematic top plan views of the invention；
Fig. 5 is fastener structural schematic diagram of the invention；
Fig. 6 is fastener schematic top plan view of the invention；
Fig. 7 is the structural schematic diagram of three clutch lower covers of the invention；
Fig. 8 is the schematic top plan view of three clutch lower covers of the invention；
Fig. 9 is part A structural schematic diagram of the invention；
Figure 10 is part B structural schematic diagram of the invention；
In figure: 1, three clutch upper cover；2, inlet tube；3, exhaust pipe；4, three clutch body；5, upper card slot；51, upper clamp bar；6, arch Lid；7, three clutch lower cover；8, lower cover；9, arch-shaped bottom；10, drain pipe；11, filter membrane mounting base；12, fastener；13, lower circle Ring；14, lumen；15, catheter；16, upper annulus；17, venting plug；18, air-filtering membrane；19, liquid medicine filtering membrane；20, lower card Slot；201, lower clamp bar；21, bottle plug puncture unit；211, protective sleeve for bottle stopper puncture outfit；22, air filter；23, transfusion catheter； 24, flow regulator；25, dropping funnel；26, outer circle taper joint；27, infusion needle stand；28, intravenous infusion needle.
Specific embodiment
Referring to the drawings, further describe the specific technical solution of the present invention, in order to those skilled in the art into Understand the present invention to one step, the limitation without constituting its power.
As shown in figs 1-9, a kind of automatic exhaust automatic liquid-stopping transfusion apparatus, including bottle plug puncture unit 21, dropping funnel 23, flow tune Save device 24, transfusion catheter 23, intravenous infusion needle 28, the bottle plug puncture unit 20, dropping funnel 23, flow regulator 24 and venous transfusion Needle 28 is connected by transfusion catheter 23, and three clutchs, the three clutchs packet are provided on the transfusion catheter 23 of 25 lower part of dropping funnel It includes three clutch upper covers 1, cylindrical three clutch bodies 4 and three clutch lower covers 7, the three clutchs upper cover 1 and three clutch bodies 4 and is integrated note Plastic is equipped with upward dome shaped cover 6 in the middle part of the three clutchs upper cover 1, inlet tube 2 is equipped in the middle part of the dome shaped cover 6, and described three close It is provided with exhaust pipe 3 between 1 edge of device upper cover and inlet tube 2, spacing is equipped between the inlet tube 2 and exhaust pipe 3, between described Away from including lower cover 8, downward arch-shaped bottom 9 and drain pipe 10 for three clutch lower covers 7 described in 0.5-1mm, the lower cover 8 encircles Shape bottom 9 and drain pipe 10 are integrated moulding, and bottom is equipped with filter membrane mounting base 11, the three clutchs body 4 in the lower cover 8 Fastener 12 is equipped between three clutch lower covers 7, the fastener 12 includes upper annulus 16 and lower annulus 13, the upper annulus 16 Diameter be greater than upper annulus 16 and lower annulus 13 described in the diameter of lower annulus 13 and be integrated moulding, the height of the lumen 14 is high It is equipped with lumen 14 in the middle part of the height of catheter 15, the fastener 12, the lumen 14 is located at the underface of inlet tube 2, Catheter 15 is equipped between the lumen 14 and fastener 12, the lumen 14 is integrated pressing described in moulding with catheter 15 12 bottom of part is upward arch, is provided with medical fluid between the fastener 12 and the filter membrane mounting base 11 of three clutch lower covers 7 Filter membrane 19, the liquid medicine filtering membrane 19 are hydrophilic filter film, and the exhaust pipe 3, which is nested with, is equipped with venting plug 17, described Air-filtering membrane 18 is provided between exhaust pipe 3 and venting plug 17, the air-filtering membrane 18 is hydrophobic filter film.
Preferably, the filter membrane mounting base 11 is the rib around 10 spaced set of drain pipe；Described three close It is equipped with upper card slot 5 in the middle part of 4 inner wall of body, is equipped with upper clamp bar 51, the upper card in the middle part of 13 outer wall of upper annulus of the fastener 12 Slot 5 is adapted with lower clamp bar 51, and when assembling the present embodiment, upper annulus 13 is just nested into completely inside three clutch bodies 4；Under described It is equipped with lower bayonet slot 20 in the middle part of 8 inner wall of lid, lower clamp bar 201 is equipped in the middle part of 13 outer wall of lower annulus of the fastener 12, under described Card slot 20 is adapted with lower clamp bar 201, and when assembling the present embodiment, lower annulus 13 is just nested into completely under three clutch lower covers 7 Lid 8；The lower part of the transfusion catheter 23 is provided with outer circle taper joint 26, and 26 nested encryptions of outer circle taper joint have transfusion needle Seat 27, the infusion needle stand 27 is connected with intravenous infusion needle 28；The outside of the bottle plug puncture unit 21 is provided with bottle plug puncture unit Protective case 211,21 lower part of bottle plug puncture unit are provided with air filter 22.
Working principle: in use, unplug protective sleeve for bottle stopper puncture outfit 211, bottle plug puncture unit 21 is inserted into infusion bag or defeated In liquid bottle, after then emptying transfusion catheter 23 and 25 inner air of dropping funnel, flow regulator 24 is placed in the off, then will 28 syringe needle of intravenous infusion needle pierces through the vein blood vessel of patient, liquid droping speed position required for being then adjusted to flow regulator 24 It sets, and can observe dropping liquid state from dropping funnel 25；Medical fluid is instilled by the inlet tube 2 of three clutch upper covers 1 positioned at three in bottle at this time In the lumen 14 of fastener 12 inside clutch 2, since pharmaceutical filtration film 19 is hydrophilic filter film, only allow medical fluid by not Gas is allowed to pass through, with the continuous inflow of medical fluid, when spill-over goes out medical fluid out of lumen 14, the liquid level of medical fluid is from 12 bottom of fastener Portion constantly rises, and the gas in three clutch bodies 4 is forced through air-filtering membrane 18 at positive pressure and exhaust pipe 3 is discharged, and reaches To self-bleeding effect；Continue dropping liquid, the liquid level of medical fluid constantly increases, and medical fluid liquid level submerges catheter 15, and medical fluid can be from leading 15 upper end tube nozzle of liquid pipe enters, and after the filtering of liquid medicine filtering membrane 19, medical fluid flows through flow regulator 24, vein through transfusion catheter 23 Enter human body after transfusion needle 28；When medical fluid is finished, since the height of lumen 14 is higher than the height of catheter 15, three clutch bodies 4 When internal medical fluid liquid level is constantly dropped between 15 entrance of 14 entrance of lumen and catheter, the medical fluid row in lumen 14 is through net Afterwards, since pharmaceutical filtration film 19 is hydrophilic filter film, air cannot pass through, at this time the medical fluid in catheter 15 can not under It falls, forms fluid-tight inside three clutch bodies 4, achieve the purpose that automatic liquid-stopping.
The foregoing is merely illustrative of the preferred embodiments of the present invention, be not intended to limit the invention it is novel, it is all in the present invention Spirit and principle within, any modification, equivalent replacement, improvement and so on, should be included in protection scope of the present invention it It is interior.

Claims (10)

1. a kind of automatic exhaust automatic liquid-stopping transfusion apparatus, including bottle plug puncture unit (21), dropping funnel (25), flow regulator (24), Transfusion catheter (23), intravenous infusion needle (28), the bottle plug puncture unit (20), dropping funnel (25), flow regulator (24) and vein Transfusion needle (28) is connected by transfusion catheter (23), it is characterised in that: is set on the transfusion catheter (23) of dropping funnel (25) lower part Three clutchs are equipped with, three clutch includes three clutch upper covers (1), cylindrical three clutch bodies (4) and three clutch lower covers (7), described Three clutch upper covers (1) and three clutch bodies (4) are integrated moulding, are equipped with upward dome shaped cover in the middle part of the three clutchs upper cover (1) (6), inlet tube (2) are equipped in the middle part of the dome shaped cover (6), are provided between the three clutchs upper cover (1) edge and inlet tube (2) Exhaust pipe (3), the three clutchs lower cover (7) include lower cover (8), downward arch-shaped bottom (9) and drain pipe (10), the lower cover Body (8), arch-shaped bottom (9) and drain pipe (10) are integrated moulding, and the interior bottom of the lower cover (8) is equipped with filter membrane mounting base (11), fastener (12) are equipped between the three clutchs body (4) and three clutch lower covers (7), the fastener (12) includes upper circle Ring (16) and lower annulus (13), the upper annulus (16) and lower annulus (13) are integrated moulding, in the fastener (12) Portion is equipped with lumen (14), and the lumen (14) is located at the underface of inlet tube (2), between the lumen (14) and fastener (12) Equipped with catheter (15), fastener (12) bottom is upward arch, the fastener (12) and three clutch lower covers (7) It being provided between filter membrane mounting base (11) liquid medicine filtering membrane (19), the exhaust pipe (3), which is nested with, is equipped with venting plug (17), Air-filtering membrane (18) are provided between the exhaust pipe (3) and venting plug (17).
2. a kind of automatic exhaust automatic liquid-stopping transfusion apparatus according to claim 1, it is characterised in that: the upper annulus (16) Diameter be greater than lower annulus (13) diameter.
3. a kind of automatic exhaust automatic liquid-stopping transfusion apparatus according to claim 2, it is characterised in that: the inlet tube (2) Spacing is equipped between exhaust pipe (3), the spacing is 0.5-1mm.
4. a kind of automatic exhaust automatic liquid-stopping transfusion apparatus according to claim 3, it is characterised in that: the lumen (14) with Catheter (15) is integrated moulding, and the height of the lumen (14) is higher than the height of catheter (15).
5. a kind of automatic exhaust automatic liquid-stopping transfusion apparatus according to claim 4, it is characterised in that: the filter membrane installation Seat (11) is the rib around drain pipe (10) spaced set.
6. a kind of automatic exhaust automatic liquid-stopping transfusion apparatus according to claim 5, it is characterised in that: the three clutchs body (4) upper card slot (5) are equipped in the middle part of inner wall, are equipped with upper clamp bar (51) in the middle part of upper annulus (13) outer wall of the fastener (12), institute Card slot (5) is stated to be adapted with lower clamp bar (51).
7. a kind of automatic exhaust automatic liquid-stopping transfusion apparatus according to claim 6, it is characterised in that: the lower cover (8) Lower bayonet slot (20) are equipped in the middle part of inner wall, are equipped with lower clamp bar (201) in the middle part of lower annulus (13) outer wall of the fastener (12), it is described Lower bayonet slot (20) is adapted with lower clamp bar (201).
8. a kind of automatic exhaust automatic liquid-stopping transfusion apparatus according to claim 8, it is characterised in that: the air-filtering membrane It (18) is hydrophobic filter film, the liquid medicine filtering membrane (19) is hydrophilic filter film.
9. a kind of automatic exhaust automatic liquid-stopping transfusion apparatus according to claim 8, it is characterised in that: the transfusion catheter (23) lower part is provided with outer circle taper joint (26), and outer circle taper joint (26) nested encryptions have infusion needle stand (27), described defeated Liquid needle stand (27) is connected with intravenous infusion needle (28).
10. a kind of automatic exhaust automatic liquid-stopping transfusion apparatus according to claim 9, it is characterised in that: the bottle stopper puncture The outside of device (21) is provided with protective sleeve for bottle stopper puncture outfit (211), and bottle plug puncture unit (21) lower part is provided with air filtration Device (22).
CN201910057397.0A 2019-01-22 2019-01-22 A kind of automatic exhaust automatic liquid-stopping transfusion apparatus Pending CN109621073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910057397.0A CN109621073A (en) 2019-01-22 2019-01-22 A kind of automatic exhaust automatic liquid-stopping transfusion apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910057397.0A CN109621073A (en) 2019-01-22 2019-01-22 A kind of automatic exhaust automatic liquid-stopping transfusion apparatus

Publications (1)

Publication Number Publication Date
CN109621073A true CN109621073A (en) 2019-04-16

Family

ID=66062634

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910057397.0A Pending CN109621073A (en) 2019-01-22 2019-01-22 A kind of automatic exhaust automatic liquid-stopping transfusion apparatus

Country Status (1)

Country Link
CN (1) CN109621073A (en)

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