CN203060494U - Automatic cut-off drip chamber with negative pressure conduction device - Google Patents
Automatic cut-off drip chamber with negative pressure conduction device Download PDFInfo
- Publication number
- CN203060494U CN203060494U CN2012205889032U CN201220588903U CN203060494U CN 203060494 U CN203060494 U CN 203060494U CN 2012205889032 U CN2012205889032 U CN 2012205889032U CN 201220588903 U CN201220588903 U CN 201220588903U CN 203060494 U CN203060494 U CN 203060494U
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- China
- Prior art keywords
- dropping funnel
- negative pressure
- conduction device
- cambered surface
- automatic cut
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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
-
- 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
- A61M5/1411—Drip chambers
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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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- 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 utility model provides an automatic cut-off drip chamber with a negative pressure conduction device. Structural design is carried out by utilizing liquid characters, gravity, pressure and a negative pressure principle, a disposable intravenous infusion apparatus drip chamber and a combined device are enabled to have an automatic cut-off function and a negative pressure conduction function, the phenomena of air inflow and regurgitation blood return caused by reduction of a liquid medicine level in an infusion tube in an intravenous infusion process are eliminated, and meanwhile negative pressure supporting is provided for an external monitoring system. Compared with other cut-off device, the automatic cut-off drip chamber with the negative pressure conduction device has the advantages of being simple in structure, complete in system, good in effect and strong in manufacturability. The automatic cut-off drip chamber with the negative pressure conduction device can effectively reduce labor intensity of medical staff in clinical application, and saves a great quantity of manpower resources needed in observing infusion process rate, infusion management is enabled to be standard, nursing is enabled to be thoughtful, and meanwhile the automatic cut-off drip chamber with the negative pressure conduction device has huge economic benefits and social benefits.
Description
Technical field
This utility model relates to a kind of automatic cut-off dropping funnel with the negative pressure conduction device, particularly a kind of disposable intravenous infusion set uses, can automatic cut-off when infusion unit titrimeter giving drugs into nose liquid level descends, prevent that phenomenons such as liquid level excessive descent, air inlet, blood back from taking place, and conduct the automatic cut-off dropping funnel of negative pressure simultaneously.
Background technology
Present medical industry is employed disposable intravenous infusion set in the venous transfusion nursing, and domestic production producer is numerous, and its product structure is similar, and its dropping funnel does not all possess automatic cut-off and negative pressure conduction function; In the decades that disposable intravenous infusion set invention is used, the relevant improved patent of transfusion device has thousands of more than approximately, and major part all is around improving by the function of aspects such as, blood return prevention, alarm, anti-bubble, anti-needle roller; These are enough to illustrate that disposable intravenous infusion set has arrived needs improved the time really, and the power item of its patent has also highlighted the existing problem of disposable intravenous infusion set and defective place thereof; Mainly contain two big classes about the transfusion device improvement project: a class is to utilize transfusion device self power automatic cut-off blood return prevention, the anti-air inlet of anti-needle roller (puncture complication) etc.; Another kind of be to use electronic monitoring technology external force auxiliary by, anti-air inlet, blood return prevention and realize alarm; Utilizing aspect transfusion device self the power automatic cut-off blood return prevention, its main technical schemes is to increase the automatic cut-off device in the Mo Feishi pipe, as latex ball sealer, float needle, flap valve, valve, conical plug, tension force seepage technology etc., its purpose is exactly when medicinal liquid is totally lost liquid level decline, these devices can seal liquid-transport pipe-line by self-blocking, stop medicinal liquid to flow, keep the tube for transfusion internal pressure, prevent tube for transfusion giving drugs into nose liquid level excessive descent, cause down that tube for transfusion air inlet, medicinal liquid are counter flows, takes place the blood back phenomenon; Or at tube for transfusion bottom and end, the check valve of various structures is installed, and make the medicinal liquid can only one-way flow in tube for transfusion, avoid anti-flow phenomenon, thereby avoided blood back; Using electronic monitoring technology external force auxiliary by aspect the alarm, mainly concentrate on and use various modern technologies, medicinal liquid in infusion bottle and the transfusion device is monitored: as gravimetric method, volumetric method, magnetic force method, photosensitive method etc., in time capture the information that medicinal liquid is totally lost, recycling electromagnetic technique chucking tube for transfusion is realized automatic cut-off, prevents the generation of medicinal liquid face excessive descent and blood back phenomenon and sends warning signal.
Just about utilizing the automatic cut-off of transfusion device self power, blood return prevention, preventing the patent Xiang Eryan of the novel transfusion device aspect of air inlet, though its purpose is clear and definite, but function is all more single, lack systematicness, and realize that technical scheme is not mature enough perfect, manufacturability is relatively poor, is unfavorable for the number of drawbacks such as application of electronic technology, causes this class technological invention slowly to can not get promotion and application; With regard to another kind of use electric detective technology, external force is auxiliary by alarm, it is by on existing disposable intravenous infusion set, install electronics additional, gravity, the method of monitoring equipments such as magnetic force, realize automatic cut-off and the alarm monitoring function of venous transfusion, this class invention advanced technology, scheme is fairly perfect, both realized the anti-air inlet function of automatic cut-off blood return prevention of venous transfusion, also realized simultaneously the alarm monitoring function, but it has evaded the improvement to transfusion device, make the existing deficiency of disposable intravenous infusion set self can not get solving, transfusion device fails to be improved and to develop, and has left electronic technology, does not just possess automatic cut-off, blood return prevention, anti-air inlet function; Moreover the realization of its function relies on fully is external force, and not by the power of transfusion device self, do not meet the energy-conserving and environment-protective requirement; Moreover the conduction of the automatic cut-off negative pressure after improving transfusion device, it realizes that the alarm monitoring function does not need electronic monitoring, just can realize alarming monitoring function; Though therefore just be not difficult to find out this class technology through wideling popularize, the reason of up to the present still not being used widely.
In sum, this case thinks that single transfusion device improves or the method for single dependence electronic technology, all can not solve existing problem in the venous transfusion comprehensively, satisfies growing transfusion nursing requirement; Have only both are combined, the existing defective of transfusion device self and deficiency are improved and perfect, make it both to possess the anti-bubble blood return prevention function of automatic cut-off, be convenient to the application of electronic technology again, utilize it to end the negative pressure that produces on this basis, realize the best beyond doubt selection of modern management of venous transfusion in conjunction with electronic technology; Bridge and tie that automatic cut-off dropping funnel and negative pressure conduction device combine this two classes technology just; Therefore it is very necessary researching and developing and provide new more simple and practical automatic cut-off dropping funnel and negative pressure conduction technique.
Summary of the invention
This utility model provides a kind of automatic cut-off dropping funnel that has the negative pressure conduction device, particularly a kind of disposable intravenous infusion set uses, can automatic cut-off when infusion unit titrimeter giving drugs into nose liquid level descends, prevent that phenomenons such as liquid level excessive descent, air inlet, blood back from taking place, and conduct the automatic cut-off dropping funnel of negative pressure simultaneously; Technical scheme of the present invention in order to achieve the above object is achieved in that the described automatic cut-off dropping funnel 1 that has the negative pressure conduction device, is made of automatic cut-off dropping funnel 1-1 and negative pressure conduction device 1-2; The negative pressure conduction device adapter 1-1-3-5 of automatic cut-off dropping funnel 1-1 is connected connection with the dropping funnel connection tube 1-2-1-1 of negative pressure conduction device 1-2; Dropping funnel feed tube 1-1-1-1 is connected connection with the dropping funnel connector 2-1 of upper tubing 2; The following tube for transfusion connection tube 1-2-1-7 of negative pressure conduction device 1-2 is connected connection with the feed liquor mouth of pipe 3-1 of following tube for transfusion 3; Automatic cut-off dropping funnel 1-1 is by dropping funnel epimere 1-1-1, dropping funnel stage casing 1-1-2, and dropping funnel hypomere 1-1-3 constitutes assembly; Negative pressure conduction device 1-2 is three-port structure, vertically manages 1-2-1 by threeway, threeway transverse pipe 1-2-2, and negative pressure cambered surface latex diaphragm 1-2-4, match system connector 1-2-3 constitutes assembly;
The described automatic cut-off dropping funnel 1 that has the negative pressure conduction device, the dropping funnel epimere 1-1-1 of its automatic cut-off dropping funnel 1-1 is transparent barrel-like structure, its length is about 2/3rds of dropping funnel total length, by upper tubing connection tube 1-1-1-1, dropping funnel drips chews 1-1-1-2, transparent observing pipe shaft 1-1-1-3, medicinal liquid face graduation mark 1-1-1-4, dropping funnel stage casing interlocking mouthful 1-1-1-5 constitutes; Upper tubing connection tube 1-1-1-1 is connected connection with the dropping funnel connector 2-1 of upper tubing 2; Upper tubing connection tube 1-1-1-1 extends in the dropping funnel, and its tube head becomes dropping funnel and drips and chew 1-1-1-2, and dropping funnel drips to be chewed 1-1-1-2 certain-length is arranged, and forms to guarantee drop; Middle part on the transparent observing pipe shaft 1-1-1-3 is provided with medicinal liquid face graduation mark 1-1-1-4, and the medicinal liquid face when it is transfusion in the dropping funnel is with reference to altitude line; It is one that dropping funnel epimere 1-1-1 is connected with dropping funnel stage casing 1-1-2 by a dropping funnel stage casing interlocking mouthful 1-1-1-5.
The described automatic cut-off dropping funnel 1 that has the negative pressure conduction device, the dropping funnel stage casing 1-1-2 of its automatic cut-off dropping funnel 1-1 is middle linkage section; By dropping funnel epimere seam 1-1-2-1, be connected stopper slot 1-1-2-2, atmospheric pressure cavity shell 1-1-2-3, atmospheric pressure cavity 1-1-2-4, exhaust passage 1-1-2-5, excessive groove 1-1-2-6, flow-guiding mouth 1-1-2-7, column balance weight body 1-1-2-8, dropping funnel hypomere assembling outer ring surface 1-1-2-9, the latex diaphragm is installed limiting stand 1-1-2-10, and flow guiding disc is installed anchor ring 1-1-2-11 and constituted; Dropping funnel epimere seam 1-1-2-1 embeds in the dropping funnel stage casing interlocking mouthful 1-1-1-5 of dropping funnel epimere 1-1-1; Interlocking mouthful 1-1-1-5 in dropping funnel stage casing embeds in the linking stopper slot 1-1-2-2 on the stage casing simultaneously, and formation is tightly connected; Atmospheric pressure cavity shell 1-1-2-3 and the part that is connected as a single entity by excessive groove 1-1-2-6 and dropping funnel stage casing 1-1-2; Atmospheric pressure cavity shell 1-1-2-3 is the hemispherical hollow structure, and hollow structure is atmospheric pressure cavity 1-1-2-4, and atmospheric pressure cavity 1-1-2-4 forms closed cavity by cambered surface latex diaphragm 1-1-5; Atmospheric pressure cavity 1-1-2-4 communicates with atmosphere by exhaust passage 1-1-2-5, and the air pressure in the atmospheric pressure cavity 1-1-2-4 is always normal pressure under air-tight state; In the atmospheric pressure cavity 1-1-2-4, column balance weight body 1-1-2-8 is arranged; Column balance weight body 1-1-2-8 also can be spherical other solid that waits; The cambered surface latex of column balance weight body 1-1-2-8 diaphragm 1-1-5 lifting power assosting effect; Medicinal liquid in the dropping funnel epimere 1-1-1 flows in the diversion cavity 1-1-3-3 of dropping funnel hypomere 1-1-3 by the flow-guiding mouth 1-1-2-7 of excessive groove 1-1-2-6 bottom land; In the dropping funnel stage casing seam 1-1-3-1 on the dropping funnel hypomere installation outer ring surface 1-1-2-9 embedding dropping funnel hypomere 1-1-3, constitute assembly with dropping funnel stage casing 1-1-2.
The described automatic cut-off dropping funnel 1 that has the negative pressure conduction device, the dropping funnel hypomere 1-1-3 of its automatic cut-off dropping funnel 1-1, by dropping funnel stage casing seam 1-1-3-1, dropping funnel low head 1-1-3-2, end socket diversion cavity 1-1-3-3, mozzle installing hole 1-1-3-4 constitutes, and the negative pressure conduction device is installed a 1-1-3-5 and constituted; Dropping funnel stage casing seam 1-1-3-1 on the dropping funnel hypomere 1-1-3 is sleeved on the dropping funnel hypomere assembling outer ring surface 1-1-2-9 on the 1-1-2 of dropping funnel stage casing; Dropping funnel low head 1-1-3-2 with the flow-guiding mouth 1-1-2-7 of dropping funnel stage casing 1-1-2, by the assembly of conducting element 1-1-4, forms end socket diversion cavity 1-1-3-3; The tubulose mouth of mozzle installing hole 1-1-3-4 is negative pressure conduction device adapter 1-1-3-5, and negative pressure conduction device adapter 1-1-3-5 is connected connection with the negative pressure conduction device.
The described automatic cut-off dropping funnel 1 that has the negative pressure conduction device in the middle of the dropping funnel stage casing 1-1-2 of its automatic cut-off dropping funnel 1-1 and the assembly of dropping funnel hypomere 1-1-3, is equipped with by conducting element 1-1-4; End conducting element 1-1-4 by cancave cambered surface flow guiding disc 1-1-4-1, flow guiding disc water conservancy diversion cambered surface 1-1-4-2, feed liquor pod apertures 1-1-4-3, water conservancy diversion ends a mouthful 1-1-4-4, mozzle 1-1-4-5, mozzle is installed limiting stand 1-1-4-6, and mozzle load segment 1-1-4-7 constitutes; Cancave cambered surface flow guiding disc 1-1-4-1 is assemblied in the flow guiding disc of dropping funnel stage casing 1-1-2 and installs in the anchor ring 1-1-2-11, feed liquor pod apertures 1-1-4-3 on it links up end socket diversion cavity 1-1-3-3 and water conservancy diversion ends a mouthful 1-1-4-4, is communicated with negative pressure conduction device 1-2 by mozzle 1-1-4-5 again; Mozzle is installed limiting stand 1-1-4-6 when mozzle load segment 1-1-4-7 packs the mozzle installing hole 1-1-3-4 of dropping funnel hypomere 1-1-3 into, plays position-limiting action.
The described automatic cut-off dropping funnel 1 that has the negative pressure conduction device, the dropping funnel stage casing 1-1-2 of its automatic cut-off dropping funnel 1-1 and by conducting element 1-1-4 between, be equipped with cambered surface latex diaphragm 1-1-5; Cambered surface latex diaphragm 1-1-5 is by annular edge 1-1-5-1 being installed, latex diaphragm arcwall face 1-1-5-2, diaphragm central plane 1-1-5-3 formation; The radian of latex diaphragm arcwall face 1-1-5-2 equates with the radian of the flow guiding disc water conservancy diversion cambered surface 1-1-4-2 that ends conducting element 1-1-4; In assembly, the installation annular edge 1-1-5-1 of cambered surface latex diaphragm 1-1-5, the latex diaphragm that is pressed in dropping funnel stage casing 1-1-2 is installed limiting stand 1-1-2-10 with in the middle of the cancave cambered surface flow guiding disc 1-1-4-1 of conducting element 1-1-4, and latex diaphragm arcwall face 1-1-5-2 can be sealed and matched with flow guiding disc water conservancy diversion cambered surface 1-1-4-2; The salable water conservancy diversion of diaphragm central plane 1-1-5-3 is by a mouthful 1-1-4-4; Latex diaphragm arcwall face 1-1-5-2 also can be recessed to the opposing party, forms diversion cavity with flow guiding disc water conservancy diversion cambered surface 1-1-4-2.
The described automatic cut-off dropping funnel 1 that has the negative pressure conduction device, its negative pressure conduction device 1-2 is three-port structure, by vertical pipe 1-2-1, transverse pipe 1-2-2, corollary system connector 1-2-3, negative pressure cambered surface latex diaphragm 1-2-4 constitutes; Vertically pipe 1-2-1 is by dropping funnel connection tube 1-2-1-1, and dropping funnel is installed limiting stand 1-2-1-2, vertically mozzle 1-2-1-3, mozzle pipeline 1-2-1-4, transverse pipe pipeline opening 1-2-1-5, following tube for transfusion connects limiting stand 1-2-1-6, and following tube for transfusion connection tube 1-2-1-7 constitutes; Dropping funnel connection tube 1-2-1-1 installs a 1-1-3-5 with the negative pressure conduction device of dropping funnel hypomere 1-1-3 and is connected connection; The negative pressure conduction device is installed a 1-1-3-5 embedding threeway and is vertically managed in the dropping funnel connection tube 1-2-1-1 of 1-2-1, and it is spacing by dropping funnel limiting stand 1-2-1-2 to be installed during assembling; Have transverse pipe pipeline opening 1-2-1-5 on the sidewall of mozzle pipeline 1-2-1-4, constitute three-way pipeline; In the following tube for transfusion inlet 3-1 of tube for transfusion 3, insert depth was by tube for transfusion connection limiting stand 1-2-1-6 is spacing down under following tube for transfusion connection tube 1-2-1-7 embedded; Mozzle pipeline 1-2-1-4 is communicated with by the mozzle 1-1-4-5 of conducting element 1-1-4 and the pipeline of following tube for transfusion 2.
The described automatic cut-off dropping funnel 1 that has the negative pressure conduction device, the transverse pipe 1-2-2 of its negative pressure conduction device 1-2, by transverse pipe pipeline opening 1-2-1-5, transverse pipe pipeline 1-2-2-1, cancave cambered surface duct chamber 1-2-2-2, cancave cambered surface pipeline accent 1-2-2-3 constitutes; Transverse pipe pipeline 1-2-2-1 in the transverse pipe 1-2-2 is communicated with mozzle pipeline 1-2-1-4 by transverse pipe pipeline opening 1-2-1-5; Transverse pipe pipeline 1-2-2-1 and mozzle pipeline 1-2-1-4 constitute the tee T pipeline configuration; Transverse pipe pipeline 1-2-2-1 is cancave cambered surface duct chamber 1-2-2-2 excessively outwards, and cancave cambered surface pipeline accent 1-2-2-3 is the export-oriented mouth of pipe of transverse pipe 1-2-2 simultaneously.
The described automatic cut-off dropping funnel 1 that has the negative pressure conduction device, the 1-2-2 transverse pipe 1-2-2 of its threeway negative pressure conduction device 1-2 is connected with corollary system by corollary system connector 1-2-3; Corollary system connector 1-2-3 is by transverse pipe mounting sleeve 1-2-3-1, and mounting sleeve inner ring surface 1-2-3-2 installs limiting stand 1-2-3-3, cancave cambered surface negative pressure cavity 1-2-3-4, negative pressure cavity shell 1-2-3-5, corollary system connection tube 1-2-3-6, air duct 1-2-3-7 constitutes; Transverse pipe mounting sleeve 1-2-3-1 is sleeved on the outside of the cancave cambered surface pipeline accent 1-2-2-3 of transverse pipe 1-2-2, and it is identical that mounting sleeve inner ring surface 1-2-3-2 is connected with its outer ring surface, and it is spacing by limiting stand 1-2-3-3 is installed to be connected the degree of depth; The complete negative pressure cavity of the corresponding formation of cancave cambered surface duct chamber 1-2-2-2 of cancave cambered surface negative pressure cavity 1-2-3-4 and transverse pipe 1-2-2; The negative pressure cavity shell 1-2-3-5 of corollary system connector 1-2-3 is cambered surface, there is corollary system connection tube 1-2-3-6 at the middle part of negative pressure cavity shell 1-2-3-5, the pipeline of corollary system connection tube 1-2-3-6 is air duct 1-2-3-7, and air duct 1-2-3-7 is communicated with negative pressure cavity.
The described automatic cut-off dropping funnel 1 that has the negative pressure conduction device between the transverse pipe 1-2-2 and corollary system connector 1-2-3 of its threeway negative pressure conduction device 1-2, is equipped with negative pressure cambered surface latex diaphragm 1-2-4; Negative pressure cambered surface latex diaphragm 1-2-4 is by negative pressure latex diaphragm arcwall face 1-2-4-1, and negative pressure latex film sheet annular edge 1-2-4-2 constitutes; In assembly, negative pressure latex film sheet annular edge 1-2-4-2 is pressed between the spacing sealing platform of the installation 1-2-3-3 of the cancave cambered surface pipeline accent 1-2-2-3 of transverse pipe 1-2-2 and corollary system connector 1-2-3, forms hermetically-sealed construction; Negative pressure latex diaphragm arcwall face 1-2-4-1 is in negative pressure cavity, and air-isolation and medicinal liquid change and can fit with the cancave cambered surface negative pressure cavity 1-2-3-4 of corollary system connector 1-2-3 with pressure, also can fit with the cancave cambered surface duct chamber 1-2-2-2 of transverse pipe 1-2-2.
Beneficial effect
This utility model provides a kind of automatic cut-off dropping funnel 1 that has the negative pressure conduction device, it utilizes characteristics of liquids and gravity and principle of negative pressure, carry out structural design, make the disposable intravenous infusion set dropping funnel have automatic cut-off and negative pressure conduction function, stop the descend air inlet that causes and instead flow back to the generation of blood phenomenon of tube for transfusion giving drugs into nose liquid level in the venous transfusion, provide the negative pressure support for outside monitor system simultaneously; Compared to other stopper, have simple in structure, system complete, characteristics such as effect is intact, and manufacturability is strong; Can effectively reduce medical personnel's labor intensity in the clinical practice, save because observing the great amount of manpower resource that the transfusion progress takies, make transfusion manage more standard, nurse more intimate.
Description of drawings
Fig. 1, have the automatic cut-off dropping funnel front view of negative pressure conduction device
Fig. 2, have the automatic cut-off dropping funnel transfusion cutaway view of negative pressure conduction device
Fig. 3, have a negative pressure conduction device the automatic cut-off dropping funnel by cutaway view
Fig. 4, automatic cut-off dropping funnel cutaway view
Fig. 5, dropping funnel epimere perspective view
Fig. 6, dropping funnel stage casing cutaway view
Fig. 7, dropping funnel hypomere perspective view
Fig. 8, by the conducting element cutaway view
Fig. 9, automatic cut-off dropping funnel cambered surface latex diaphragm side view
Figure 10, threeway negative pressure conduction device sectional arrangement drawing
Figure 11, threeway negative pressure conduction device are vertically managed, the transverse pipe perspective view
Figure 12, threeway negative pressure conduction device corollary system connector perspective view
Figure 13, threeway negative pressure conduction device negative pressure cambered surface latex diaphragm front view
1 has the automatic cut-off dropping funnel of negative pressure conduction device
1-1, automatic cut-off dropping funnel
1-1-1 dropping funnel epimere
1-1-1-1 upper tubing connection tube
The 1-1-1-2 dropping funnel drips to be chewed
1-1-1-3 transparent observing pipe shaft
1-1-1-4 medicinal liquid face graduation mark
1-1-1-5 dropping funnel stage casing interlocking mouth
1-1-2 dropping funnel stage casing
1-1-2-1 dropping funnel epimere seam
1-1-2-2 is connected stopper slot
1-1-2-3 atmospheric pressure cavity shell
The 1-1-2-4 atmospheric pressure cavity
The 1-1-2-5 exhaust passage
The excessive groove of 1-1-2-6
The 1-1-2-7 flow-guiding mouth
1-1-2-8 column balance weight body
1-1-2-9 dropping funnel hypomere assembling outer ring surface
1-1-2-10 latex diaphragm is installed limiting stand
The 1-1-2-11 flow guiding disc is installed anchor ring
1-1-3 dropping funnel hypomere
1-1-3-1 dropping funnel stage casing seam
1-1-3-2 dropping funnel low head
1-1-3-3 end socket diversion cavity
1-1-3-4 mozzle installing hole
1-1-3-5 negative pressure conduction device adapter
The 1-1-3-6 gas port
1-1-4 is by conducting element
1-1-4-1 cancave cambered surface flow guiding disc
1-1-4-2 flow guiding disc water conservancy diversion cambered surface
1-1-4-3 feed liquor pod apertures
The 1-1-4-4 water conservancy diversion is by mouth
The 1-1-4-5 mozzle
The 1-1-4-6 mozzle is installed limiting stand
1-1-4-7 mozzle load segment
1-1-5 cambered surface latex diaphragm
1-1-5-1 installs annular edge
1-1-5-2 latex diaphragm arcwall face
1-1-5-3 diaphragm central plane
1-2 threeway negative pressure conduction device
1-2-1 vertically manages
1-2-1-1 dropping funnel connection tube
The 1-2-1-2 dropping funnel is installed limiting stand
The vertical mozzle of 1-2-1-3
1-2-1-4 mozzle pipeline
1-2-1-5 transverse pipe pipeline opening
Tube for transfusion connects limiting stand under the 1-2-1-6
Tube for transfusion connection tube under the 1-2-1-7
The 1-2-2 transverse pipe
1-2-2-1 transverse pipe pipeline
1-2-2-2 cancave cambered surface duct chamber
1-2-2-3 cancave cambered surface pipeline accent
1-2-3 corollary system connector
1-2-3-1 transverse pipe mounting sleeve
1-2-3-2 mounting sleeve inner ring surface
1-2-3-3 installs limiting stand
1-2-3-4 cancave cambered surface negative pressure cavity
1-2-3-5 negative pressure cavity shell
1-2-3-6 corollary system connection tube
The 1-2-3-7 air duct
1-2-4 negative pressure cambered surface latex diaphragm
1-2-4-1 negative pressure latex diaphragm arcwall face
1-2-4-2 negative pressure latex film sheet annular edge
2, upper tubing
The 2-1 dropping funnel connects the mouth of pipe
3, following tube for transfusion
Tube for transfusion inlet under the 3-1
Specific embodiment
In venous transfusion, the tube for transfusion inner liquid medicine flow of disposable intravenous infusion set is because being subjected to the Flow-rate adjustment restriction of tiny piercing needle and flow control valve, in the overwhelming majority's transfusion, can not flow by the maximum stream flow of design, making in the inherent whole infusion process of tube for transfusion has pressure to exist; Also have the venous transfusion that exists of pressure just can carry out just, the pressure in the tube for transfusion is the essential condition of venous transfusion, and its pressure strengthens from top to bottom gradually; Therefore in the transfusion device pipeline and with tube chamber that pipeline is communicated with in all have the bulbs of pressure, the soft thin latex cambered surface diaphragm that particularly is communicated with pipeline all can be heaved; After descending with the medicinal liquid face of should medicinal liquid being totally lost, the pipe internal pressure will disappear naturally, the soft thin latex cambered surface diaphragm of heaving will flat get off, the cavity at diaphragm place is because of tympanites and the contraction of diaphragm, will push air, air is produced flow or the generation negative pressure, the sealing coverage rate of latex diaphragm will form cavity because of tympanites simultaneously, liquid just can flow in the cavity that forms, otherwise when pressure disappeared, the diaphragm of tympanites will shrink, and the cavity that forms because of tympanites disappears, diaphragm is airtight coverage rate again, flow to disappear or ends;
The automatic cut-off dropping funnel 1 that has the negative pressure conduction device in this case is linked and packed with upper tubing 2 and following tube for transfusion 3, constitutes new disposable from ending intravenous transfusion device; Constitute new disposable from ending intravenous transfusion device in infusion process, identical with common disposable intravenous infusion set operation sequence, medical personnel hand the new disposable intravenous transfusion device, the automatic cut-off dropping funnel 1 that will have the negative pressure conduction device earlier is inverted, to wear bottle again is needled in the medicinal liquid bottle, medicinal liquid will flow in the automatic cut-off dropping funnel 1-1 of the automatic cut-off dropping funnel 1 that has the negative pressure conduction device in upper tubing 2, when rising to the middle medicinal liquid face graduation mark 1-1-1-4 of automatic cut-off dropping funnel 1-1 in the medicinal liquid face, the automatic cut-off dropping funnel 1 that slowly will have the negative pressure conduction device again turns, at this moment the sealing cambered surface latex diaphragm 1-1-5 in the automatic cut-off dropping funnel 1-1 under pressure, will expand and heave, the sealing surface below of sealing cambered surface latex diaphragm 1-1-5 will form the water conservancy diversion cavity, medicinal liquid can flow in the water conservancy diversion cavity smoothly, negative pressure cambered surface latex diaphragm 1-2-4 in the negative pressure of the threeway simultaneously conduction device 1-2 expands simultaneously under the effect of medicinal liquid pressure and heaves, air in the negative pressure cavity is extruded from air duct 1-2-3-7, flow into the interior medicinal liquid of negative pressure cavity because of the interval of negative pressure cambered surface latex diaphragm 1-2-4, do not contact with air, guarantee transfusion safety.
Otherwise the medicinal liquid in the medicinal liquid bottle is totally lost, approach when disappearing with pressure in the automatic cut-off dropping funnel 1-1 of the automatic cut-off dropping funnel 1 that has the negative pressure conduction device, sealing cambered surface latex diaphragm 1-1-5 in the automatic cut-off dropping funnel 1-1 falls under the gravity pressure of column balance weight body 1-1-2-8 is forced to make peace the negative pressure combined effect, cover the water conservancy diversion of sealing on conducting element 1-1-4 by a mouthful 1-1-4-4, the medicinal liquid in the blocking-up tube for transfusion flows; Tube for transfusion endogenous cause of ill medicinal liquid gravity after ending produces negative pressure, with it in the threeway negative pressure conduction device 1-2 of Lian Tonging, the negative pressure cambered surface latex diaphragm 1-2-4 that expansion is heaved, because pressure disappears, negative pressure produces flexible depression, will flow into air in the negative pressure cavity at its place or produce negative pressure, can work thus with the corollary system that its air duct 1-2-3-7 is connected.
Medicinal liquid in the new disposable intravenous transfusion device after ending is no longer mobile, liquid level no longer descends, the transfusion halted state appears, stay the medicinal liquid in the automatic cut-off dropping funnel 1 that has the negative pressure conduction device and the following tube for transfusion 3 this moment, still maintain certain pressure avoided air enter down tube for transfusion interior with anti-generation of flowing back to the blood phenomenon.
If continue transfusion, the middle and upper part that operator only need gently pinch automatic cut-off dropping funnel 1-1 after continuous bottle was changed dressings, unclamp fast then, automatic cut-off dropping funnel 1-1 will suck the medicinal liquid in the medicinal liquid bottle fast, replenish lower medicinal liquid face in the dropping funnel, the water conservancy diversion that will seal cambered surface latex diaphragm 1-1-5 sealing is simultaneously opened by a mouthful 1-1-4-4, and medicinal liquid begins to flow, and enters the continuation transfusion state.
In process of production, the structural member in this case adopts conventional production technology to produce, and manufacturability is strong, and production cost is low; Adopt the manufacturing of multimode injection moulding, production efficiency; Sealing cambered surface latex diaphragm 1-1-5, negative pressure cambered surface latex diaphragm 1-2-4 can adopt soft thinner latex material to make, and to increase adaptability, guarantee sealing effectiveness.
The automatic negative-pressure conduction device automatic cut-off dropping funnel 1 that has provided by the utility model, its modern design is skillfully constructed, taken full advantage of the characteristic of liquid and pressure, gravity, principle of negative pressure, reached the automatic cut-off of venous transfusion, the negative pressure conduction, anti-air inlet, the purpose of blood return prevention; Latex diaphragm manufacturability is strong, good sealing effect, and the negative pressure conductive performance is reliable and stable; It seals spacing liquid outlet one end in dropping funnel inside of stopper, does not influence formation and the observing effect of drop in the dropping funnel, does not increase the volume of dropping funnel and influences outward appearance, and is similar or close to the traditional style of disposable general infusion set dropping funnel; The negative pressure conduction device does not influence the flow effect of medicinal liquid, and its amount of flow is more than or equal to defined flow standard in the GB.
Be equipped with disposable intravenous infusion set of the present utility model, do not change medical personnel's work habit, its operation sequence is identical with disposable intravenous infusion set, is easy to learn and use; Compared to other stopper, have simple in structure, good sealing effect, characteristics such as manufacturability is strong; Can effectively reduce medical personnel's labor intensity in the clinical practice, save to observing the great amount of manpower resource that the transfusion progress takies, make transfusion manage more standard, nurse more intimate.
Claims (10)
1. automatic cut-off dropping funnel (1) with the negative pressure conduction device, it is made of automatic cut-off dropping funnel (1-1) and negative pressure conduction device (1-2); The negative pressure conduction device adapter (1-1-3-5) of automatic cut-off dropping funnel (1-1) is connected connection with the dropping funnel connection tube (1-2-1-1) of negative pressure conduction device (1-2); Dropping funnel feed tube (1-1-1-1) is connected connection with the dropping funnel connector (2-1) of upper tubing (2); The following tube for transfusion connection tube (1-2-1-7) of negative pressure conduction device (1-2) is connected connection with the feed liquor mouth of pipe (3-1) of following tube for transfusion (3); Automatic cut-off dropping funnel (1-1) is by dropping funnel epimere (1-1-1), and dropping funnel stage casing (1-1-2), dropping funnel hypomere (1-1-3) constitutes assembly; Negative pressure conduction device (1-2) is three-port structure, vertically manages (1-2-1) by threeway, threeway transverse pipe (1-2-2), and negative pressure cambered surface latex diaphragm (1-2-4), match system connector (1-2-3) constitutes assembly.
A kind of automatic cut-off dropping funnel (1) with the negative pressure conduction device according to claim 1, it is characterized in that the dropping funnel epimere (1-1-1) of its automatic cut-off dropping funnel (1-1) is transparent barrel-like structure, its length is about 2/3rds of dropping funnel total length, by upper tubing connection tube (1-1-1-1), dropping funnel drips chews (1-1-1-2), transparent observing pipe shaft (1-1-1-3), medicinal liquid face graduation mark (1-1-1-4), dropping funnel stage casing interlocking mouthful (1-1-1-5) constitutes; Upper tubing connection tube (1-1-1-1) is connected connection with the dropping funnel connector (2-1) of upper tubing (2); Upper tubing connection tube (1-1-1-1) extends in the dropping funnel, and its tube head becomes dropping funnel and drips and chew (1-1-1-2), and dropping funnel drips to be chewed (1-1-1-2) certain-length is arranged, and forms to guarantee drop; Middle part on the transparent observing pipe shaft (1-1-1-3) is provided with medicinal liquid face graduation mark (1-1-1-4), and the medicinal liquid face when it is transfusion in the dropping funnel is with reference to altitude line; It is one that dropping funnel epimere (1-1-1) is connected with dropping funnel stage casing (1-1-2) by dropping funnel stage casing interlocking mouthful (1-1-1-5).
3. a kind of automatic cut-off dropping funnel (1) with the negative pressure conduction device according to claim 1, the dropping funnel stage casing (1-1-2) that it is characterized in that its automatic cut-off dropping funnel (1-1) are middle linkage section; By dropping funnel epimere seam (1-1-2-1), be connected stopper slot (1-1-2-2), atmospheric pressure cavity shell (1-1-2-3), atmospheric pressure cavity (1-1-2-4), exhaust passage (1-1-2-5), excessive groove (1-1-2-6), flow-guiding mouth (1-1-2-7), column balance weight body (1-1-2-8), dropping funnel hypomere assembling outer ring surface (1-1-2-9), the latex diaphragm is installed limiting stand (1-1-2-10), and flow guiding disc is installed anchor ring (1-1-2-11) and constituted; Dropping funnel epimere seam (1-1-2-1) embeds in the dropping funnel stage casing interlocking mouthful (1-1-1-5) of dropping funnel epimere (1-1-1); Dropping funnel stage casing interlocking mouthful (1-1-1-5) embeds in the linking stopper slot (1-1-2-2) on the stage casing simultaneously, and formation is tightly connected; Atmospheric pressure cavity shell (1-1-2-3) and the part that is connected as a single entity by excessive groove (1-1-2-6) and dropping funnel stage casing (1-1-2); Atmospheric pressure cavity shell (1-1-2-3) is the hemispherical hollow structure, and hollow structure is atmospheric pressure cavity (1-1-2-4), and atmospheric pressure cavity (1-1-2-4) forms closed cavity by cambered surface latex diaphragm (1-1-5); Atmospheric pressure cavity (1-1-2-4) communicates with atmosphere by exhaust passage (1-1-2-5), and the air pressure in the atmospheric pressure cavity (1-1-2-4) is always normal pressure under air-tight state; In the atmospheric pressure cavity (1-1-2-4), column balance weight body (1-1-2-8) is arranged; Column balance weight body (1-1-2-8) also can be spherical other solid that waits; Column balance weight body (1-1-2-8) is to cambered surface latex diaphragm (1-1-5) lifting power assosting effect; Medicinal liquid in the dropping funnel epimere (1-1-1) flows in the diversion cavity (1-1-3-3) of dropping funnel hypomere (1-1-3) by the flow-guiding mouth (1-1-2-7) of excessive groove (1-1-2-6) bottom land; In the dropping funnel stage casing seam (1-1-3-1) on dropping funnel hypomere installation outer ring surface (1-1-2-9) the embedding dropping funnel hypomere (1-1-3), constitute assembly with dropping funnel stage casing (1-1-2).
A kind of automatic cut-off dropping funnel (1) with the negative pressure conduction device according to claim 1, it is characterized in that the dropping funnel hypomere (1-1-3) of its automatic cut-off dropping funnel (1-1), by dropping funnel stage casing seam (1-1-3-1), dropping funnel low head (1-1-3-2), end socket diversion cavity (1-1-3-3), mozzle installing hole (1-1-3-4) constitutes, and the negative pressure conduction device is installed head (1-1-3-5) and constituted; Dropping funnel stage casing seam (1-1-3-1) on the dropping funnel hypomere (1-1-3) is sleeved on the dropping funnel hypomere assembling outer ring surface (1-1-2-9) on the dropping funnel stage casing (1-1-2); Dropping funnel low head (1-1-3-2) with the flow-guiding mouth (1-1-2-7) of dropping funnel stage casing (1-1-2), by the assembly of conducting element (1-1-4), forms end socket diversion cavity (1-1-3-3); The tubulose mouth of mozzle installing hole (1-1-3-4) is negative pressure conduction device adapter (1-1-3-5), and negative pressure conduction device adapter (1-1-3-5) is connected connection with the negative pressure conduction device.
5. in the middle of the assembly of a kind of automatic cut-off dropping funnel (1) with the negative pressure conduction device according to claim 1, the dropping funnel stage casing (1-1-2) that it is characterized in that its automatic cut-off dropping funnel (1-1) and dropping funnel hypomere (1-1-3), be equipped with by conducting element (1-1-4); End conducting element (1-1-4) by cancave cambered surface flow guiding disc (1-1-4-1), flow guiding disc water conservancy diversion cambered surface (1-1-4-2), feed liquor pod apertures (1-1-4-3), water conservancy diversion is by mouthful (1-1-4-4), mozzle (1-1-4-5), mozzle is installed limiting stand (1-1-4-6), and mozzle load segment (1-1-4-7) constitutes; Cancave cambered surface flow guiding disc (1-1-4-1) is assemblied in the flow guiding disc in dropping funnel stage casing (1-1-2) and installs in the anchor ring (1-1-2-11), feed liquor pod apertures (1-1-4-3) on it is linked up end socket diversion cavity (1-1-3-3) and is ended mouthful (1-1-4-4) with water conservancy diversion, is communicated with negative pressure conduction device (1-2) by mozzle (1-1-4-5) again; Mozzle is installed limiting stand (1-1-4-6) when mozzle load segment (1-1-4-7) is packed the mozzle installing hole (1-1-3-4) of dropping funnel hypomere (1-1-3) into, plays position-limiting action.
A kind of automatic cut-off dropping funnel (1) with the negative pressure conduction device according to claim 1, it is characterized in that its automatic cut-off dropping funnel (1-1) dropping funnel stage casing (1-1-2) and by conducting element (1-1-4) between, be equipped with cambered surface latex diaphragm (1-1-5); Cambered surface latex diaphragm (1-1-5) is by annular edge (1-1-5-1) being installed, latex diaphragm arcwall face (1-1-5-2), diaphragm central plane (1-1-5-3) formation; The radian of latex diaphragm arcwall face (1-1-5-2) equates with the radian of the flow guiding disc water conservancy diversion cambered surface (1-1-4-2) of ending conducting element (1-1-4); In assembly, the installation annular edge (1-1-5-1) of cambered surface latex diaphragm (1-1-5), the latex diaphragm that is pressed in dropping funnel stage casing (1-1-2) is installed limiting stand (1-1-2-10) with in the middle of the cancave cambered surface flow guiding disc (1-1-4-1) of conducting element (1-1-4), and latex diaphragm arcwall face (1-1-5-2) can be sealed and matched with flow guiding disc water conservancy diversion cambered surface (1-1-4-2); The salable water conservancy diversion of diaphragm central plane (1-1-5-3) is by mouthful (1-1-4-4); Latex diaphragm arcwall face (1-1-5-2) also can be recessed to the opposing party, forms diversion cavity with flow guiding disc water conservancy diversion cambered surface (1-1-4-2).
A kind of automatic cut-off dropping funnel (1) with the negative pressure conduction device according to claim 1, it is characterized in that its negative pressure conduction device (1-2) is three-port structure, by vertical pipe (1-2-1), transverse pipe (1-2-2), corollary system connector (1-2-3), negative pressure cambered surface latex diaphragm (1-2-4) constitutes; Vertically pipe (1-2-1) is by dropping funnel connection tube (1-2-1-1), dropping funnel is installed limiting stand (1-2-1-2), vertical mozzle (1-2-1-3), mozzle pipeline (1-2-1-4), transverse pipe pipeline opening (1-2-1-5), following tube for transfusion connects limiting stand (1-2-1-6), and following tube for transfusion connection tube (1-2-1-7) constitutes; Dropping funnel connection tube (1-2-1-1) is installed head (1-1-3-5) with the negative pressure conduction device of dropping funnel hypomere (1-1-3) and is connected connection; The negative pressure conduction device is installed head (1-1-3-5) embedding threeway and is vertically managed in the dropping funnel connection tube (1-2-1-1) of (1-2-1), and it is spacing by dropping funnel limiting stand (1-2-1-2) to be installed during assembling; Have transverse pipe pipeline opening (1-2-1-5) on the sidewall of mozzle pipeline (1-2-1-4), constitute three-way pipeline; In the following tube for transfusion inlet (3-1) of tube for transfusion (3), insert depth was by tube for transfusion connection limiting stand (1-2-1-6) is spacing down under following tube for transfusion connection tube (1-2-1-7) embedded; Mozzle pipeline (1-2-1-4) is communicated with by the mozzle (1-1-4-5) of conducting element (1-1-4) and the pipeline of following tube for transfusion (2).
A kind of automatic cut-off dropping funnel (1) with the negative pressure conduction device according to claim 1, it is characterized in that the transverse pipe (1-2-2) of its negative pressure conduction device (1-2), by transverse pipe pipeline opening (1-2-1-5), transverse pipe pipeline (1-2-2-1), cancave cambered surface duct chamber (1-2-2-2), cancave cambered surface pipeline accent (1-2-2-3) constitutes; Transverse pipe pipeline (1-2-2-1) in the transverse pipe (1-2-2) is communicated with mozzle pipeline (1-2-1-4) by transverse pipe pipeline opening (1-2-1-5); Transverse pipe pipeline (1-2-2-1) constitutes the tee T pipeline configuration with mozzle pipeline (1-2-1-4); Transverse pipe pipeline (1-2-2-1) is cancave cambered surface duct chamber (1-2-2-2) excessively outwards, and cancave cambered surface pipeline accent (1-2-2-3) is the export-oriented mouth of pipe of transverse pipe (1-2-2) simultaneously.
9. a kind of automatic cut-off dropping funnel (1) with the negative pressure conduction device according to claim 1, (1-2-2) transverse pipe (1-2-2) of it is characterized in that its threeway negative pressure conduction device (1-2) are connected with corollary system by corollary system connector (1-2-3); Corollary system connector (1-2-3) is by transverse pipe mounting sleeve (1-2-3-1), mounting sleeve inner ring surface (1-2-3-2), limiting stand (1-2-3-3) is installed, cancave cambered surface negative pressure cavity (1-2-3-4), negative pressure cavity shell (1-2-3-5), corollary system connection tube (1-2-3-6), air duct (1-2-3-7) constitutes; Transverse pipe mounting sleeve (1-2-3-1) is sleeved on the outside of the cancave cambered surface pipeline accent (1-2-2-3) of transverse pipe (1-2-2), it is identical that mounting sleeve inner ring surface (1-2-3-2) is connected with its outer ring surface, and it is spacing by limiting stand (1-2-3-3) is installed to be connected the degree of depth; The complete negative pressure cavity of the corresponding formation of cancave cambered surface duct chamber (1-2-2-2) of cancave cambered surface negative pressure cavity (1-2-3-4) and transverse pipe (1-2-2); The negative pressure cavity shell (1-2-3-5) of corollary system connector (1-2-3) is cambered surface, there is corollary system connection tube (1-2-3-6) at the middle part of negative pressure cavity shell (1-2-3-5), the pipeline of corollary system connection tube (1-2-3-6) is air duct (1-2-3-7), and air duct (1-2-3-7) is communicated with negative pressure cavity.
A kind of automatic cut-off dropping funnel (1) with the negative pressure conduction device according to claim 1, it is characterized in that being equipped with negative pressure cambered surface latex diaphragm (1-2-4) between the transverse pipe (1-2-2) and corollary system connector (1-2-3) of its threeway negative pressure conduction device (1-2); Negative pressure cambered surface latex diaphragm (1-2-4) is by negative pressure latex diaphragm arcwall face (1-2-4-1), and negative pressure latex film sheet annular edge (1-2-4-2) constitutes; In assembly, negative pressure latex film sheet annular edge (1-2-4-2) is pressed between the spacing sealing platform of installation (1-2-3-3) of the cancave cambered surface pipeline accent (1-2-2-3) of transverse pipe (1-2-2) and corollary system connector (1-2-3), forms hermetically-sealed construction; Negative pressure latex diaphragm arcwall face (1-2-4-1) is in negative pressure cavity, air-isolation and medicinal liquid, change and to fit with the cancave cambered surface negative pressure cavity (1-2-3-4) of corollary system connector (1-2-3) with pressure, also can fit with the cancave cambered surface duct chamber (1-2-2-2) of transverse pipe (1-2-2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205889032U CN203060494U (en) | 2012-11-09 | 2012-11-09 | Automatic cut-off drip chamber with negative pressure conduction device |
| PCT/CN2013/083640 WO2014071775A1 (en) | 2012-11-09 | 2013-09-17 | Automatic cut-off drip chamber with negative pressure conduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205889032U CN203060494U (en) | 2012-11-09 | 2012-11-09 | Automatic cut-off drip chamber with negative pressure conduction device |
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| CN203060494U true CN203060494U (en) | 2013-07-17 |
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| CN2012205889032U Expired - Fee Related CN203060494U (en) | 2012-11-09 | 2012-11-09 | Automatic cut-off drip chamber with negative pressure conduction device |
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| WO (1) | WO2014071775A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014071775A1 (en) * | 2012-11-09 | 2014-05-15 | 郑州昊能科技有限公司 | Automatic cut-off drip chamber with negative pressure conduction device |
| CN104147667A (en) * | 2013-05-15 | 2014-11-19 | 郑州昊能科技有限公司 | Novel self-stop drip chamber with negative pressure conduction device |
| CN104338192A (en) * | 2013-07-25 | 2015-02-11 | 郑州昊能科技有限公司 | Novel gravity venous transfusion nursing supervision system |
| CN104338207A (en) * | 2013-07-25 | 2015-02-11 | 河南忱诺科技有限公司 | Intravenous infusion automatic negative pressure transmission cutoff bottle penetrating needle |
| CN104338208A (en) * | 2013-07-30 | 2015-02-11 | 河南忱诺科技有限公司 | Automatic cut-off negative-pressure conduction bottle penetrating needle |
| CN105268059A (en) * | 2014-07-23 | 2016-01-27 | 河南忱诺科技有限公司 | Automatic cut-off negative pressure conduction module of gravity venous transfusion |
| CN107754041A (en) * | 2017-12-05 | 2018-03-06 | 来奉田 | A kind of stomach rinse-system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248020B (en) * | 2019-05-06 | 2021-01-29 | 华为技术有限公司 | Timing method and device |
| CN116212159B (en) * | 2023-05-10 | 2023-08-01 | 中国人民解放军总医院第二医学中心 | Gastroenterology infusion set with negative pressure liquid level sensing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6569116B1 (en) * | 2000-11-22 | 2003-05-27 | Hsien Tsung Wang | Intravenous flow controlling device |
| CN201668789U (en) * | 2010-04-29 | 2010-12-15 | 蔡继汉 | Automatic liquid-stop infusion set with safety mechanism |
| CN101927044A (en) * | 2010-09-28 | 2010-12-29 | 柯丽红 | Intravenous infusion set capable of exhausting air automatically |
| CN202096535U (en) * | 2011-06-07 | 2012-01-04 | 朱盛楠 | Diaphragm chamber of novel safety transfusion apparatus |
| CN203060494U (en) * | 2012-11-09 | 2013-07-17 | 郑州昊能科技有限公司 | Automatic cut-off drip chamber with negative pressure conduction device |
-
2012
- 2012-11-09 CN CN2012205889032U patent/CN203060494U/en not_active Expired - Fee Related
-
2013
- 2013-09-17 WO PCT/CN2013/083640 patent/WO2014071775A1/en active Application Filing
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014071775A1 (en) * | 2012-11-09 | 2014-05-15 | 郑州昊能科技有限公司 | Automatic cut-off drip chamber with negative pressure conduction device |
| CN104147667A (en) * | 2013-05-15 | 2014-11-19 | 郑州昊能科技有限公司 | Novel self-stop drip chamber with negative pressure conduction device |
| CN104338192A (en) * | 2013-07-25 | 2015-02-11 | 郑州昊能科技有限公司 | Novel gravity venous transfusion nursing supervision system |
| CN104338207A (en) * | 2013-07-25 | 2015-02-11 | 河南忱诺科技有限公司 | Intravenous infusion automatic negative pressure transmission cutoff bottle penetrating needle |
| CN104338208A (en) * | 2013-07-30 | 2015-02-11 | 河南忱诺科技有限公司 | Automatic cut-off negative-pressure conduction bottle penetrating needle |
| CN105268059A (en) * | 2014-07-23 | 2016-01-27 | 河南忱诺科技有限公司 | Automatic cut-off negative pressure conduction module of gravity venous transfusion |
| CN105268059B (en) * | 2014-07-23 | 2019-09-27 | 泉州台商投资区恒鑫隆网络科技有限公司 | A kind of gravity intravenous infusion automatic cut-off negative pressure conduction module |
| CN107754041A (en) * | 2017-12-05 | 2018-03-06 | 来奉田 | A kind of stomach rinse-system |
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| WO2014071775A1 (en) | 2014-05-15 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20130717 Termination date: 20151109 |