CN204563142U - Buret type secondary filter safe transfusion system - Google Patents

Buret type secondary filter safe transfusion system Download PDF

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Publication number
CN204563142U
CN204563142U CN201520248236.7U CN201520248236U CN204563142U CN 204563142 U CN204563142 U CN 204563142U CN 201520248236 U CN201520248236 U CN 201520248236U CN 204563142 U CN204563142 U CN 204563142U
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China
Prior art keywords
dropping funnel
buoyancy aid
secondary filter
infusion
float valve
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CN201520248236.7U
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Chinese (zh)
Inventor
邹小明
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Permanent Spring Medical Device Co Ltd In Huai An
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Permanent Spring Medical Device Co Ltd In Huai An
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Priority to CN201520248236.7U priority Critical patent/CN204563142U/en
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Abstract

The utility model discloses buret type secondary filter safe transfusion system, it is characterized in that: float valve (15) comprises buoyancy aid (15a) and sealing member (15b), the outer circumference surface of buoyancy aid is gear type, top is ball-type buffering convex surface, bottom is recess (15a1), and sealing member (15b) is embedded in the recess (15a1) of buoyancy aid just to the convex infusion port (14a) of lower dropping funnel inner bottom surface for falope ring cap that Single port is provided with diaphragm seal (15b1).This utility model carries out secondary filter when infusing to medicinal liquid, automatic plugging infusion unit titrimeter liquid outlet when having infused, makes the medicinal liquid in infusion pipeline stop flowing, automatically terminates transfusion, prevent air from entering in patient body and the backflow of body inner blood, ensure safe infusion.

Description

Buret type secondary filter safe transfusion system
Technical field
This utility model relates to the aseptic medical equipment for clinical transfusion purposes, especially relates to a kind of buret type secondary filter safe transfusion system.
Background technology
In clinical transfusion process, usual medical personnel will look after the transfusion of patient in several ward, labor intensity is very large, usually occur that failing to observe in time infusion bottle inner liquid medicine because of medical personnel, patient or family numbers of patients has been totally lost and does not change infusion bottle in time or extract the phenomenon of infusion needle, liquid level declines too low and causes gas to enter human body causing the adverse consequencess such as aeroembolism, bring heavy mental burden to medical personnel, patient or family numbers of patients.
Summary of the invention
The purpose of this utility model is: provide a kind of buret type secondary filter safe transfusion system, during transfusion, secondary filter is carried out to medicinal liquid, the automatic plugging infusion unit titrimeter liquid outlet when transfusion nearly completes, the medicinal liquid in the infusion pipeline of liquid outlet lower end is made to stop flowing, thus automatically terminate transfusion, reach and prevent air from entering in patient body and the backflow of body inner blood, ensure safe infusion.
This utility model is achieved through the following technical solutions: this buret type secondary filter safe transfusion system comprises sheath, bottle plug puncture unit, air filter, conduit, liquid stopping clamp, suspender belt, calparine cap, drip cylinder upper cover, drip cylinder, drip cylinder lower cover, micro pipette, dropping funnel, float valve, long duct, flow regulator, trident, precision liquid medicine filter, two pass joints and intravenous needle, integrated injection molding air inlet on bottle plug puncture unit is also sealed by air filter, tubulature one end is connected bottom bottle plug puncture unit, the other end of tubulature is connected with a cover inlet through liquid stopping clamp, dripping cover integrated injection molding steam vent and medicine feeding hole and being sleeved on after being sealed by air filter and calparine cap respectively drips on cylinder, drip bottom cylinder and a cylinder base is installed, dripping after cylinder base liquid outlet installs micro pipette is sleeved on dropping funnel, the lower dropping funnel that float valve is housed is sleeved on bottom dropping funnel, long duct one end is connected bottom lower dropping funnel, the other end of long duct is through flow regulator connecting tee, the other end of threeway connects precision liquid medicine filter and two pass joints by tubulature, intravenous needle is arranged on two pass joints, overall formation buret type secondary filter safe transfusion system, it is characterized in that: described float valve comprises buoyancy aid and sealing member, the outer circumference surface of buoyancy aid is gear-like, top is ball-type buffering convex surface, and bottom is recess, sealing member be falope ring cap that one side is provided with diaphragm seal be embedded in buoyancy aid recess in just to the convex infusion port of lower dropping funnel inner bottom surface.
Wherein, the external diameter of described buoyancy aid is more smaller than lower dropping funnel internal diameter.
Wherein, concave surface inwall and the falope ring cap joint of described buoyancy aid have air channel, and under air channel size ensures normal infusion state, medicinal liquid cannot enter float valve cavity.
Wherein, arrange in described lower dropping funnel and only rise bank, float valve is active in and only rises between bank and infusion port.
This utility model is on the basis of common burette type transfusion apparatus, gear-like plastics (also can be other a material) buoyancy aid is placed in its lower dropping funnel, the sealing member that buoyancy aid and the liquid outlet place of closing have a flexible medical silica gel to make, during transfusion, liquid flows into dropping funnel from the space of gear-like buoyancy aid, buoyancy aid rises under the buoyancy of liquid, automatically opens liquid outlet, realizes infusion process; When infusing close to when completing, buoyancy aid declines along with liquid level, when contacting to diaphragm seal with liquid outlet, under atmospheric pressure and float valve gravity pressure, diaphragm seal just tightly blocks liquid outlet, transfusion catheter under making air not enter into liquid outlet, thus prevent air from entering human body and the backflow of body inner blood, realize safe infusion.
This utility model structure is simple, safe and reliable, carries out secondary filter during transfusion to medicinal liquid, prevents air from entering human body and the backflow of body inner blood, realizes safe infusion, reduce and avoid the generation of malpractice further.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is another embodiment structural representation of the present utility model.
Fig. 3 is the structural representation of float valve.
Fig. 4 is the upward view of buoyancy aid.
In figure: 1 sheath, 2 bottle plug puncture units, 3 air filters, 4 tubulatures, 5 liquid stopping clamps, 6 suspender belts, 7 calparine caps, 8 air filters, 9 covers, 10 cylinders, 11 cylinder bases, 12 micro pipettes, dropping funnel on 13, 14 times dropping funnels, 15 float valves, 16 flow regulators, 17 tridents, 18 precision liquid medicine filters, 19 2 pass joints, 20 intravenous needles, 2a air inlet, 9a steam vent, 9b medicine feeding hole, 13a only rises bank, 14a infusion port, 15a buoyancy aid, 15b sealing member, 15a1 recess, 15a2 air channel, 15b1 diaphragm seal.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
As Figure 1-4, this buret type secondary filter safe transfusion system comprises sheath 1, bottle plug puncture unit 2, air filter 3, conduit 4, liquid stopping clamp 5, suspender belt 6, calparine cap 7, drip cover 9, drip cylinder 10, drip cylinder base 11, micro pipette 12, upper dropping funnel 13, lower dropping funnel 14, float valve 15, flow regulator 16, trident 17, precision liquid medicine filter 18, two pass joints 19 and intravenous needle 20, integrated injection molding air inlet 2a on bottle plug puncture unit 2 is also sealed by air filter 3, tubulature one end is connected bottom bottle plug puncture unit 2, the other end of tubulature is connected with a cover 9 through liquid stopping clamp 5, dripping after cover 9 integrated injection molding steam vent 9a and medicine feeding hole 9b is also sealed by air filter 8 and calparine cap 7 is respectively sleeved on a cylinder 10, drip bottom cylinder 10 and a cylinder base 11 is installed, dripping after cylinder base 11 liquid outlet installs micro pipette 12 is sleeved on dropping funnel 13, the lower dropping funnel 14 that float valve 15 is housed is sleeved on bottom dropping funnel 13, the bottom of lower dropping funnel 14 connects long duct one end, the other end of long duct connects trident 17 through flow regulator 16, the other end of trident 17 connects precision liquid medicine filter 18 and two pass joints 19 by tubulature, intravenous needle 20 is sleeved on two pass joints 19, overall formation buret type secondary filter safe transfusion system, it is characterized in that: described float valve 15 comprises buoyancy aid 15a and sealing member 15b, the outer circumference surface of buoyancy aid is gear type, top is ball-type buffering convex surface, bottom is recess 15a1, sealing member 15b be falope ring cap that Single port is provided with diaphragm seal 15b1 be embedded in buoyancy aid recess 15a1 in just to the convex infusion port 14a of lower dropping funnel inner bottom surface.Buoyancy aid 15b external diameter is more smaller than lower dropping funnel 14 internal diameter.
As shown in Figure 3,4, recess 15a1 inwall and the sealing member 15b joint of buoyancy aid have air channel 15a2, and under air channel 15a2 size ensures normal infusion state, medicinal liquid cannot enter float valve 15 cavity.
As shown in Figure 1, arrange in upper dropping funnel 13 and only rise bank 13a, float valve 15 is active in and only rises between bank 13a and convex infusion port 14a.
As shown in Figure 2, be another embodiment of Fig. 1.
As shown in Figure 1, 2, the capacity of burette comprises 50ml, 100ml, 150ml.
When transfusion operation starts, the top ball-type buffering convex surface that medicinal liquid is first dropped in float valve 15 is flowed in lower dropping funnel 14 bottom surface by dispersion drain through the groove of gear type outer circumference surface, along with the accumulation gradually of medicinal liquid, float valve 15 rises under the buoyancy of liquid, and diaphragm seal 15b1 leaves binding face and automatically opens infusion port 14a; When medicinal liquid is nearly totally lost, float valve 15 is along with liquid level decline, when contacting to diaphragm seal 15b1 with infusion port 14a, under atmospheric pressure and float valve 15 gravity pressure, diaphragm seal 15b1 just tightly blocks infusion port 14a, infusion pipeline under making air not enter into infusion port 14a, thus prevent air from entering patient's vein and the backflow of body inner blood.

Claims (4)

1. buret type secondary filter safe transfusion system, comprises sheath (1), bottle plug puncture unit (2), air filter (3), conduit (4), liquid stopping clamp (5), suspender belt (6), calparine cap (7), drip cover (9), drip cylinder (10), drip cylinder base (11), micro pipette (12), upper dropping funnel (13), lower dropping funnel (14), float valve (15), flow regulator (16), trident (17), precision liquid medicine filter (18), two pass joints (19) and intravenous needle (20), the upper integrated injection molding air inlet (2a) of bottle plug puncture unit (2), in air inlet (2a), air filter (3) is installed, bottle plug puncture unit (2) bottom connects tubulature one end, the other end of tubulature is connected with cover (9) inlet through liquid stopping clamp (5), drips cover (9) integrated injection molding inlet, steam vent (9a) and medicine feeding hole (9b), in steam vent (9a), air filter (8) is installed, in medicine feeding hole (9b), calparine cap (7) is installed, dripping cover (9) is sleeved on a cylinder (10), drip cylinder (10) bottom and a cylinder base (11) is installed, dripping after cylinder base (11) liquid outlet installs micro pipette (12) is sleeved on dropping funnel (13), the lower dropping funnel (14) that float valve (15) is housed is sleeved on dropping funnel (13) bottom, the bottom of lower dropping funnel (14) connects long duct one end, the other end of long duct connects trident (17) through flow regulator (16), the other end of trident (17) connects precision liquid medicine filter (18) and two pass joints (19) by tubulature, intravenous needle (20) is arranged on two pass joints (19), overall formation buret type secondary filter safe transfusion system, it is characterized in that: float valve (15) comprises buoyancy aid (15a) and sealing member (15b), the outer circumference surface of buoyancy aid is gear type, top is ball-type buffering convex surface, bottom is recess (15a1), and sealing member (15b) is embedded in the recess (15a1) of buoyancy aid just to the convex infusion port (14a) of lower dropping funnel inner bottom surface for falope ring cap that Single port is provided with diaphragm seal (15b1).
2. buret type secondary filter safe transfusion system according to claim 1, is characterized in that: buoyancy aid (15a) external diameter is more smaller than lower dropping funnel (14) internal diameter.
3. buret type secondary filter safe transfusion system according to claim 1, it is characterized in that: recess (15a1) inwall and sealing member (15b) joint of buoyancy aid have air channel (15a2), under air channel (15a2) size ensures normal infusion state, medicinal liquid cannot enter float valve (15) cavity.
4. buret type secondary filter safe transfusion system according to claim 1, is characterized in that: arrange in upper dropping funnel (13) and only rise bank (13a), float valve (15) is active in and only rises between bank (13a) and convex infusion port (14a).
CN201520248236.7U 2015-04-23 2015-04-23 Buret type secondary filter safe transfusion system Active CN204563142U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520248236.7U CN204563142U (en) 2015-04-23 2015-04-23 Buret type secondary filter safe transfusion system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520248236.7U CN204563142U (en) 2015-04-23 2015-04-23 Buret type secondary filter safe transfusion system

Publications (1)

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CN204563142U true CN204563142U (en) 2015-08-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106620928A (en) * 2016-11-09 2017-05-10 孝感嘉瑞应用科技开发有限公司 Composite-type safety infusion apparatus
CN109157701A (en) * 2018-09-27 2019-01-08 浙江新德意医疗科技股份有限公司 A kind of disposable precision filter infusion set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106620928A (en) * 2016-11-09 2017-05-10 孝感嘉瑞应用科技开发有限公司 Composite-type safety infusion apparatus
CN109157701A (en) * 2018-09-27 2019-01-08 浙江新德意医疗科技股份有限公司 A kind of disposable precision filter infusion set

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