CN104491949A - Multifunctional safe infusion device and safe infusion method - Google Patents
Multifunctional safe infusion device and safe infusion method Download PDFInfo
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- CN104491949A CN104491949A CN201410822938.1A CN201410822938A CN104491949A CN 104491949 A CN104491949 A CN 104491949A CN 201410822938 A CN201410822938 A CN 201410822938A CN 104491949 A CN104491949 A CN 104491949A
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- dropping funnel
- transfusion
- liquid
- air
- medicinal liquid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—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
- A61M5/40—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 low-level float-valve to cut off media flow from reservoir
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
- A61M2005/1657—Filter with membrane, e.g. membrane, flat sheet type infusion filter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7536—General characteristics of the apparatus with filters allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes
Abstract
The invention relates to a multifunctional safe infusion device and a safe infusion method. The infusion device comprises a bottle stopper puncture device, an air inflow seat, a short infusion catheter, an annular water stop, a drop hopper part, a long infusion catheter, a flow regulator, a Y-shaped injection piece, a liquid medicine filter and a single-use intravenous infusion needle, wherein the bottle stopper puncture device is connected with the short infusion catheter; the air inflow seat is arranged on the bottle stopper puncture device; the annular water stop is movably clamped on the short infusion catheter; the drop hopper part is arranged between the short infusion catheter and the long infusion catheter and connected with the short infusion catheter and the long infusion catheter; the flow regulator, the Y-shaped injection piece, the liquid medicine filter and the single-use intravenous infusion needle are sequentially arranged on the long infusion catheter; and the single-use intravenous infusion needle is connected with the tail end of the long infusion catheter. The device and the method also achieve functions of automatic exhaust, automatic liquid stop and liquid cleaning by an infusion tube, and reduce labor intensity of medical care personnel.
Description
Technical field
The present invention relates to clinical transfusion aseptic medical equipment, particularly relate to a kind of Multifunctional safety transfusion system and safe infusion method.
Background technology
At present, common transfusion is used to form primarily of bottle plug puncture unit protective cap, bottle plug puncture unit, transfusion tubulature, aerofluxus tubulature, air filter, dropper, dropping funnel, flow regulator, transfusion long duct, medicine filter and single use intravenous needle in medical field clinically.When using general infusion set transfusion, manually must squeeze dropping funnel, could medicinal liquid be introduced in dropping funnel from infusion bottle, enter in dropping funnel process at medicinal liquid, medicinal liquid easily by the gas press-in transfusion long duct in dropping funnel, produces bubble in pipe, simultaneously, due to the effect of tube for transfusion inner wall surface tension force, inwall easily adsorbs a small amount of bubble, and exclusion process is difficult, loaded down with trivial details, time-consuming, if can not get rid of bubble very well, bubble enters in patient body with medicinal liquid, easily causes the danger such as aeroembolism.Current medical personnel to patient fluid infusion's front exhaust mode are being: after bottle plug puncture unit inserts infusion bottle; be inverted dropping funnel; squeezing dropping funnel with hands makes medicinal liquid enter in dropping funnel; until dropping funnel inner liquid medicine reach a certain amount of after; put down dropping funnel; as far as possible by most of removal of bubbles; for inwall absorption bubble; need medical personnel's springing transfusion catheter repeatedly; bubble is rushed in dropping funnel, whole process is time-consuming, effort, loaded down with trivial details, add the working strength of medical personnel; simultaneously when being critically ill patient in the face of urgent transfusion and rescue, serious consequence will be caused.
And, the usual one-to-many of medical personnel look after patient fluid infusion, the amount of labour, intensity are all very large, in infusion process, normal appearance fails change infusion bottle in time or pull out transfusion needle because of medical personnel, patient or family numbers of patients, cause in blood backflow transfusion catheter or bubble enters in patient body and causes the adverse consequencess such as aeroembolism, bring heavy mental burden to medical personnel, patient or family numbers of patients.
In addition; by improving general infusion set dropping funnel structure or add only liquid adnexa near dropping funnel; though can realize simply stopping liquid and aerofluxus; but still effectively cannot solve aerofluxus bubble problem when changing infusion bottle, meanwhile, simple only liquid causes part liquor residue at dropping funnel with in transfusion long duct; can not well enter in patient body; cause curative liquor quantity not sufficient and liquid waste, especially when the few dosage of needs of patients input, expensive help medicinal liquid are critically ill in urgent rescue, will serious consequence be caused.
Therefore, for above-mentioned general infusion set and improvement transfusion device Problems existing, in clinical transfusion process, use a kind of transfusion device possessing automatic vent, automatic liquid-stopping and tube for transfusion clean liquid function particularly important.
Summary of the invention
In order to overcome the above problems, the invention provides following technical scheme:
A kind of Multifunctional safety transfusion system, comprise: bottle plug puncture unit, air inlet seat, transfusion tubulature, annular water only, dropping funnel part, transfusion long duct, flow regulator, Y type injection member, liquid medicine filter and disposable venous infusion needle, bottle plug puncture unit is connected with transfusion tubulature, air inlet seat is arranged on bottle plug puncture unit, annular water is only clamped on transfusion tubulature movably, dropping funnel part to be arranged between transfusion tubulature and transfusion long duct and to be connected with transfusion tubulature and long duct of infusing, flow regulator, Y type injection member, liquid medicine filter and disposable venous infusion needle are successively set on transfusion long duct, disposable venous infusion needle is connected to the end of transfusion long duct, dropping funnel part comprises dropping funnel upper cover, dropping funnel and dropping funnel base, dropping funnel upper cover is inserted in dropping funnel upper end, dropping funnel upper end and dropping funnel upper cover and dropping funnel lower end and dropping funnel base upper end are all tightly connected, dropping funnel is covered with the upper dropper of integration, aerofluxus post and liquid injection device, upper dropper is positioned at middle part and is connected with transfusion tubulature, aerofluxus post is positioned at the left upper portion of dropping funnel upper cover, aerofluxus post is provided with steam vent, liquid injection device is positioned on the right side of dropping funnel upper cover, dropping funnel upper cover left lower is also provided with stop, stop is hollow structure, the endoporus of the bottom of stop is welded with air-filtering membrane and stretches in dropping funnel, stop upper end to be inserted dropping funnel upper cover to aerofluxus post bottom and is integrated with aerofluxus post cementation, separate layer is provided with in dropping funnel, dropping funnel is divided into upper and lower two chambeies by separate layer, the lower intracavity of dropping funnel has floating block that can be freely movable, the lower dropper of dropping funnel base lower end is connected with transfusion long duct, dropping funnel chassis left side is provided with air inlet, described air inlet external port is provided with vent plug, described vent plug comprises the gentle obturating plug of vent plug lid of one, between described air inlet external port and vent plug seat, interference fit is provided with air-filtering membrane.
In the embodiment of a kind of Multifunctional safety transfusion system disclosed by the invention, bottle plug puncture unit is provided with dismountable protective sleeve for bottle stopper puncture outfit, and on aerofluxus post and liquid injection device, cover has dismountable rubber protecting jacket and latex cap respectively.
In the embodiment of a kind of Multifunctional safety transfusion system disclosed by the invention, separate layer has multiple scallop hole.
In the embodiment of a kind of Multifunctional safety transfusion system disclosed by the invention, floating block is hollow structure, and soft rubber cushion is installed in the lower end of floating block, and the opening of dropping funnel base upper end can be closed or open to soft rubber cushion.
In the embodiment of a kind of Multifunctional safety transfusion system disclosed by the invention, the air-filtering membrane on the endoporus of stop bottom only allows gas to pass through, and does not allow liquid to pass through.
The invention also discloses a kind of safe infusion method, comprise the following steps:
Step one: first take off the rubber protective cap be arranged on the aerofluxus post of dropping funnel upper cover, closes the vent plug be arranged on dropping funnel base, closes flow regulator;
Step 2: pull out protective sleeve for bottle stopper puncture outfit, then bottle plug puncture unit is inserted in transfusion bottle stopper, open air inlet seat, naturally transfusion device is hung, only open annular water, medicinal liquid flows in dropping funnel by transfusion tubulature, because the soft rubber cushion being arranged on floating block lower end closes the drip hole of dropping funnel base upper end, medicinal liquid is temporarily stored in dropping funnel, along with the continuous increase of medicinal liquid, in dropping funnel, gas is pressed into the hollow structure of stop and aerofluxus post gradually by the air-filtering membrane on the endoporus of stop bottom and is discharged dropping funnel by the steam vent on aerofluxus post;
Step 3: when the liquid level being stored in dropping funnel inner liquid medicine rises to certain position, the soft rubber cushion being arranged on floating block lower end is left and opens the opening of dropping funnel base upper end, and the medicinal liquid rested in dropping funnel enters transfusion long duct;
Step 4: when medicinal liquid liquid level did not have the air-filtering membrane on the endoporus of stop bottom, air-filtering membrane on the endoporus of stop bottom soaks by medicinal liquid, the medicinal liquid contacted with air-filtering membrane is not by air-filtering membrane, now also isolated by medicinal liquid between residual air and air-filtering membrane in dropping funnel and no longer discharge dropping funnel, medicinal liquid continues instillation dropping funnel subsequently, space in dropping funnel reduces gradually, residual air will produce pressure, when the pressure that residual air produces is enough to stop medicinal liquid instillation, dropping funnel herb liquid liquid level will no longer raise;
Step 5: when medicinal liquid liquid level did not have the air-filtering membrane on the endoporus of stop bottom, get final product regulable control flow calorimeter, medicinal liquid is made to enter transfusion long duct and flow out from disposable venous infusion needle, gas in emptying transfusion long duct, close flow regulator, puncture venoclysis needle, and then open flow regulator, regulate flow, get final product normal infusion;
Step 6: when infusion bottle inner liquid medicine is totally lost, floating block reduces, residual liquor all enters in dropping funnel chassis interior and transfusion long duct, and when the soft rubber cushion of floating block lower end closes the opening of dropping funnel base upper end, medicinal liquid automatically stops flowing and rests in dropping funnel chassis interior and transfusion long duct;
Step 7: under Nurse safety operation, the vent plug of dropping funnel chassis left side is opened, removing suction function, the residual liquor rested in dropping funnel chassis interior and transfusion long duct of being totally lost.
beneficial effect
The present invention has the following advantages relative to prior art:
(1) automatic vent, without the need to manual compression dropping funnel, reduces the loaded down with trivial details program of existing transfusion device, reduces medical personnel's labor intensity;
(2) automatic liquid-stopping, can realize automatic flow-stop effect, effectively prevent blood backflow or gas from entering in patient body to the medicinal liquid in infusion pipeline, alleviate the heavy mental burden of medical personnel, patient and family numbers of patients;
(3) clean liquid, reduces the liquor residue amount in transfusion catheter, realizes, to the maximum using of medicinal liquid, cutting the waste, guarantee effective liquid dose.
Accompanying drawing explanation
Fig. 1 is the structure chart of Multifunctional safety transfusion system;
Fig. 2 is the structure chart of dropping funnel part;
Fig. 3 is the structure chart of floating block;
Fig. 4 is the structure chart of separate layer.
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, following examples of hereby illustrating, and accompanying drawing is coordinated to be described in detail as follows:
As depicted in figs. 1 and 2, Multifunctional safety transfusion system, comprise: bottle plug puncture unit 03, air inlet seat 02, transfusion tubulature 04, annular water stops 05, dropping funnel part 09, transfusion long duct 10, flow regulator 11, Y type injection member 12, liquid medicine filter 13 and disposable venous infusion needle 14, bottle plug puncture unit 03 is connected with transfusion tubulature 04, air inlet seat 02 is arranged on bottle plug puncture unit 03, annular water stops 05 and is clamped on transfusion tubulature 04 movably, dropping funnel part 09 to be arranged between transfusion tubulature 04 and transfusion long duct 10 and to be connected with transfusion tubulature 04 and long duct 10 of infusing, flow regulator 11, Y type injection member 12, liquid medicine filter 13 and disposable venous infusion needle 14 are successively set on transfusion long duct 10, disposable venous infusion needle 14 is connected to the end of transfusion long duct 10, dropping funnel part 09 comprises dropping funnel upper cover 06, dropping funnel 07 and dropping funnel base 08, dropping funnel upper cover 06 is inserted in dropping funnel upper end, dropping funnel upper end and dropping funnel upper cover 06 and dropping funnel lower end and dropping funnel base 08 upper end are all tightly connected, dropping funnel upper cover 06 is provided with the upper dropper 23 of integration, aerofluxus post 16 and liquid injection device 24, upper dropper 23 is positioned at middle part and is connected with transfusion tubulature 04, aerofluxus post 16 is positioned at the left upper portion of dropping funnel upper cover, aerofluxus post 16 is provided with steam vent, liquid injection device 24 is positioned on the right side of dropping funnel upper cover 06, dropping funnel upper cover 06 left lower is also provided with stop 17, stop 17 is hollow structure, the endoporus of the bottom of stop 17 be welded with air-filtering membrane 18 and stretch in dropping funnel 07, stop 17 upper end is inserted dropping funnel upper cover 06 to aerofluxus post bottom and is integrated with aerofluxus post 16 cementation, air-filtering membrane on the bottom endoporus of stop 17 18 allows gas to pass through, liquid is not allowed to pass through.
As shown in Figure 2 and Figure 4, dropping funnel 07 is the cavity of carrying medicinal liquid, separate layer 19 is provided with in dropping funnel 07, dropping funnel is divided into upper and lower two chambeies by separate layer 19, separate layer 19 is set and can be divided into upper and lower two cavitys in dropping funnel 07, separate layer 19 has multiple scallop hole 27, and Main Function is the circulation realizing upper and lower cavity medicinal liquid, with the lifting position of floating block 20 in limit dropping funnel.
As shown in Figures 2 and 3, the lower intracavity of dropping funnel 07 has floating block 20 that can be freely movable, floating block 20 is automatic liquid-stopping executive item, there is cavity inside, soft rubber cushion 26 is installed in lower end, the drip hole on the lower dropper 25 on dropping funnel base 08 can be closed or open to soft rubber cushion 26, during transfusion, after medicinal liquid enters dropping funnel, along with the continuous increase of medicinal liquid, floating block 20 floats gradually under medicinal liquid buoyancy, and original soft rubber cushion 26 closing dropping funnel base medicine-feeding drop hole is left, medicinal liquid enters dropping funnel base 08, enters transfusion long duct 10 subsequently; At the end of transfusion, the continuous minimizing of floating fast 20 medicinal liquids thereupon, decline gradually, when dropping funnel 07 inner liquid medicine flows to end, floating block 20 drops on dropping funnel base 08, medicinal liquid drip hole on dropping funnel base 08 is closed by soft rubber cushion 26, and dropping funnel base less than 08 medicinal liquid by fluid stopping, realizes automatic liquid-stopping effect under suction function.
Dropping funnel base 08 is three-port structure, upper end and dropping funnel 07 cementation of dropping funnel base 08 are integral, the lower dropper 25 of dropping funnel base 08 lower end is connected with transfusion long duct 10, air inlet 28 is provided with on the left of dropping funnel base 08, air inlet 28 external port is provided with vent plug 21, vent plug 21 comprises the gentle obturating plug 30 of vent plug lid 29 of one, between air inlet 28 external port and vent plug seat 30, interference fit is provided with air-filtering membrane 22, vent plug seat 30 coordinates with air inlet 28 interference gluing, reach and air inlet 28 inner wall sealing, insert mounted vent plug seat 29 air-filtering membrane 22 to be squeezed in air inlet 28 external port, realize the peripheral sealing of air-filtering membrane 22 and air inlet 28 outer face, prevent leakage, vent plug 21 initial state is closed condition, after infusion-completed, open vent plug, eliminate suction function, residual liquor in emptying transfusion long duct.
The bottle plug puncture unit 03 of Multifunctional safety transfusion system is as shown in Figure 1 provided with dismountable bottle plug puncture unit protective cap 01; the aerofluxus post 16 of dropping funnel upper cover 06 is as shown in Figure 2 provided with dismountable rubber protecting jacket 15, the liquid injection device 24 of dropping funnel upper cover 06 is provided with dismountable latex cap.
The invention also discloses a kind of safe infusion method, realize multifunctional safe infusion by following steps:
Step one: the rubber protective cap 15 first taking off aerofluxus post 16, closes vent plug 21, closes flow regulator 11;
Step 2: pull out protective sleeve for bottle stopper puncture outfit 01, then bottle plug puncture unit 03 is inserted in transfusion bottle stopper, open air inlet seat 02, naturally transfusion device is hung, open annular water and stop 05, dropping funnel 07 need not be extruded, also dropping funnel 07 need not be inverted, medicinal liquid instills in dropping funnel 07 automatically, soft rubber cushion 26 due to floating block 20 lower end closes dropping funnel base 08 time drip hole, and medicinal liquid cannot enter in transfusion long duct 10, and medicinal liquid is stored in dropping funnel 07, along with the continuous increase of medicinal liquid, in dropping funnel 07, gas is pressed into steam vent eliminating dropping funnel 07 gradually;
Step 3: when waiting liquid level to arrive certain position, namely when medicinal liquid buoyancy is greater than floating block gravity, floating block 20 rises, soft rubber cushion 26 leaves dropping funnel base 08, medicinal liquid starts to enter transfusion long duct 10, effectively prevent the generation of bubble and prevent bubble from entering in transfusion long duct 10, make aerofluxus more convenient;
Step 4: when medicinal liquid liquid level did not have the air-filtering membrane 18 on the endoporus of stop 17 bottom, air-filtering membrane 18 on the endoporus of stop 17 bottom soaks by medicinal liquid, the medicinal liquid contacted with air-filtering membrane 18 is not by air-filtering membrane 18, now also isolated by medicinal liquid between residual air and air-filtering membrane 18 in dropping funnel 07 and no longer discharge dropping funnel, medicinal liquid continues instillation dropping funnel 07 subsequently, space in dropping funnel 07 reduces gradually, residual air will produce pressure, when the pressure that residual air produces is enough to stop medicinal liquid instillation, dropping funnel 07 herb liquid liquid level will no longer raise,
Step 5: after liquid level did not have the air-filtering membrane 18 of stop 17, then by controlling flow regulator 11, medicinal liquid is made to enter transfusion long duct 10, flow out from single use intravenous needle 14 endoporus, gas in emptying conduit, close flow regulator 11, puncture single use intravenous needle 14, open flow regulator 11, regulate flow, get final product normal infusion.There will not be in whole operating process and have bubble to enter in transfusion long duct 10 as general infusion set, in addition, when changing infusion bottle, because automatic vent plays a role, do not need again to be exhausted process, directly bottle plug puncture unit 03 is inserted new infusion bottle, efficiently solve the problem that general infusion set replacing infusion bottle needs again to extrude dropping funnel, aerofluxus, reduce the labor intensity of medical personnel; When infusion bottle inner liquid medicine is totally lost;
Step 6: when infusion bottle inner liquid medicine is totally lost, floating block 20 reduces, it is inner with in transfusion long duct 10 that residual liquor all enters dropping funnel base 08, when the soft rubber cushion 26 of floating block lower end closes the opening of dropping funnel base 06 upper end, medicinal liquid automatically stops flowing and rests in dropping funnel base 08 inside and transfusion long duct 10, because automatic liquid-stopping plays a role, air is prevented to enter infusion pipeline, causing blood backflow to enter in patient body to dropping funnel or gas not in time forming aeroembolism without the need to worrying to change, reducing the heavy mental burden of medical personnel, patient and family numbers of patients;
Step 7: at the end of transfusion device transfusion; under Nurse safety operation, the vent plug 21 on dropping funnel base 08 is opened; removing suction function; automatic liquid-stopping effect was lost efficacy; be totally lost by residual liquor in infusion pipeline, avoiding medicinal liquid can not well enter in patient body, causes curative liquor quantity not sufficient and liquid waste; especially, when the few dosage of needs of patients input, expensive help medicinal liquid are critically ill in urgent rescue, serious consequence will be caused.
Last it is noted that obviously, above-described embodiment is only for example of the present invention is clearly described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of amplifying out or variation be still among the protection domain of this explanation.
Claims (6)
1. a Multifunctional safety transfusion system, comprise: bottle plug puncture unit, air inlet seat, transfusion tubulature, annular water only, dropping funnel part, transfusion long duct, flow regulator, Y type injection member, liquid medicine filter and disposable venous infusion needle, described bottle plug puncture unit is connected with described transfusion tubulature, described air inlet seat is arranged on described bottle plug puncture unit, described annular water is only clamped on described transfusion tubulature movably, described dropping funnel part to be arranged between transfusion tubulature and transfusion long duct and to be connected with described transfusion tubulature and long duct of infusing, described flow regulator, described Y type injection member, described liquid medicine filter and described disposable venous infusion needle are successively set on described transfusion long duct, described disposable venous infusion needle is connected to the end of described transfusion long duct, it is characterized in that: described dropping funnel part comprises dropping funnel upper cover, dropping funnel and dropping funnel base, described dropping funnel upper cover is inserted in described dropping funnel upper end, described dropping funnel upper end and described dropping funnel upper cover and described dropping funnel lower end and described dropping funnel base upper end are all tightly connected, described dropping funnel is covered with the upper dropper of integration, aerofluxus post and liquid injection device, described upper dropper is positioned at middle part and is connected with described transfusion tubulature, described aerofluxus post is positioned at the left upper portion of described dropping funnel upper cover, described aerofluxus post is provided with steam vent, described liquid injection device is positioned on the right side of described dropping funnel upper cover, described dropping funnel upper cover left lower is also provided with stop, described stop is hollow structure, the endoporus of the bottom of described stop is welded with air-filtering membrane and stretches in described dropping funnel, described dropping funnel upper cover is inserted to described aerofluxus post bottom being integrated with described aerofluxus post cementation in described stop upper end, separate layer is provided with in described dropping funnel, described dropping funnel is divided into upper and lower two chambeies by described separate layer, the lower intracavity of described dropping funnel has floating block that can be freely movable, the lower dropper of described dropping funnel base lower end is connected with described transfusion long duct, described dropping funnel chassis left side is provided with air inlet, described air inlet external port is provided with vent plug, described vent plug comprises the gentle obturating plug of vent plug lid of one, between described air inlet external port and vent plug seat, interference fit is provided with air-filtering membrane.
2. a kind of Multifunctional safety transfusion system as claimed in claim 1; it is characterized in that: described bottle plug puncture unit is provided with dismountable protective sleeve for bottle stopper puncture outfit, on described aerofluxus post and described liquid injection device, cover has dismountable rubber protecting jacket and latex cap respectively.
3. a kind of Multifunctional safety transfusion system as claimed in claim 1, is characterized in that: described separate layer has multiple scallop hole.
4. a kind of Multifunctional safety transfusion system as claimed in claim 1, is characterized in that: described floating block is hollow structure, and soft rubber cushion is installed in the lower end of described floating block, and the drip hole of described dropping funnel base upper end can be closed or open to described soft rubber cushion.
5. a kind of Multifunctional safety transfusion system as claimed in claim 1, is characterized in that: the air-filtering membrane on the endoporus of described stop bottom only allows gas to pass through, and does not allow liquid to pass through.
6. a safe infusion method, comprises the following steps:
Step one: first take off the rubber protective cap be arranged on the aerofluxus post of dropping funnel upper cover, closes the vent plug be arranged on dropping funnel base, closes flow regulator;
Step 2: pull out protective sleeve for bottle stopper puncture outfit, then bottle plug puncture unit is inserted in transfusion bottle stopper, open air inlet seat, naturally transfusion device is hung, only open annular water, medicinal liquid flows in dropping funnel by transfusion tubulature, because the soft rubber cushion being arranged on floating block lower end closes the opening of dropping funnel base upper end, medicinal liquid is temporarily stored in dropping funnel, along with the continuous increase of medicinal liquid, in dropping funnel, gas is pressed into the hollow structure of stop and aerofluxus post gradually by the air-filtering membrane on the endoporus of stop bottom and is discharged dropping funnel by the steam vent on aerofluxus post;
Step 3: when the liquid level being stored in dropping funnel inner liquid medicine rises to certain position, the soft rubber cushion being arranged on floating block lower end is left and opens the opening of dropping funnel base upper end, and the medicinal liquid rested in dropping funnel enters transfusion long duct;
Step 4: when medicinal liquid liquid level did not have the air-filtering membrane on the endoporus of stop bottom, air-filtering membrane on the endoporus of stop bottom soaks by medicinal liquid, the medicinal liquid contacted with air-filtering membrane is not by air-filtering membrane, now also isolated by medicinal liquid between residual air and air-filtering membrane in dropping funnel and no longer discharge dropping funnel, medicinal liquid continues instillation dropping funnel subsequently, space in dropping funnel reduces gradually, residual air will produce pressure, when the pressure that residual air produces is enough to stop medicinal liquid instillation, dropping funnel herb liquid liquid level will no longer raise;
Step 5: when medicinal liquid liquid level did not have the air-filtering membrane on the endoporus of stop bottom, get final product regulable control flow calorimeter, medicinal liquid is made to enter transfusion long duct and flow out from disposable venous infusion needle, gas in emptying transfusion long duct, close flow regulator, puncture venoclysis needle, and then open flow regulator, regulate flow, get final product normal infusion;
Step 6: when infusion bottle inner liquid medicine is totally lost, floating block reduces, residual liquor all enters in dropping funnel chassis interior and transfusion long duct, and when the soft rubber cushion of floating block lower end closes the opening of dropping funnel base upper end, medicinal liquid automatically stops flowing and rests in dropping funnel chassis interior and transfusion long duct;
Step 7: under Nurse safety operation, the vent plug of dropping funnel chassis left side is opened, removing suction function, the residual liquor rested in dropping funnel chassis interior and transfusion long duct of being totally lost.
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| CN201410822938.1A CN104491949B (en) | 2014-12-26 | 2014-12-26 | A kind of Multifunctional safety transfusion system and safe infusion method |
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| CN201410822938.1A CN104491949B (en) | 2014-12-26 | 2014-12-26 | A kind of Multifunctional safety transfusion system and safe infusion method |
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| CN104491949B CN104491949B (en) | 2018-01-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157702A (en) * | 2018-09-27 | 2019-01-08 | 浙江新德意医疗科技股份有限公司 | Dropping funnel is used in a kind of infusion |
| WO2022076325A1 (en) * | 2020-10-05 | 2022-04-14 | Mobile I.V. Systems, LLC | Drip chamber with automatic vent and shutoff |
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| CN101954135A (en) * | 2010-09-27 | 2011-01-26 | 江西洪达医疗器械集团有限公司 | Automatic exhaust blood-return-resistant infusion apparatus |
| CN201871039U (en) * | 2010-12-01 | 2011-06-22 | 河南曙光健士医疗器械集团有限公司 | Self-exhaust non-bubble infusion apparatus |
| CN203379481U (en) * | 2013-06-14 | 2014-01-08 | 山东新华安得医疗用品有限公司 | Flow-void device valve and automatic liquid stopping and infusion apparatus with same |
| CN204379885U (en) * | 2014-12-26 | 2015-06-10 | 北京伏尔特技术有限公司 | A kind of Multifunctional safety transfusion system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157702A (en) * | 2018-09-27 | 2019-01-08 | 浙江新德意医疗科技股份有限公司 | Dropping funnel is used in a kind of infusion |
| WO2022076325A1 (en) * | 2020-10-05 | 2022-04-14 | Mobile I.V. Systems, LLC | Drip chamber with automatic vent and shutoff |
| US20240050643A1 (en) * | 2020-10-05 | 2024-02-15 | Mobile I.V. Systems, LLC | Drip chamber with automatic vent and shutoff |
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