CN107929871A - A kind of free style can retention transfusion system without draw point essence control - Google Patents
A kind of free style can retention transfusion system without draw point essence control Download PDFInfo
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- CN107929871A CN107929871A CN201810029399.4A CN201810029399A CN107929871A CN 107929871 A CN107929871 A CN 107929871A CN 201810029399 A CN201810029399 A CN 201810029399A CN 107929871 A CN107929871 A CN 107929871A
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- infusion
- tube
- draw point
- side opening
- point
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- 230000014759 maintenance of location Effects 0.000 title claims abstract description 27
- 238000001802 infusion Methods 0.000 claims abstract description 103
- 239000003814 drug Substances 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000741 silica gel Substances 0.000 claims abstract description 10
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 10
- 229960001866 silicon dioxide Drugs 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 21
- 239000008280 blood Substances 0.000 claims description 13
- 210000004369 blood Anatomy 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 11
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 6
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229920006267 polyester film Polymers 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000035488 systolic blood pressure Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000000686 essence Substances 0.000 description 8
- 210000004204 blood vessel Anatomy 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000004014 plasticizer Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000711 cancerogenic effect Effects 0.000 description 2
- 231100000315 carcinogenic Toxicity 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 239000004803 Di-2ethylhexylphthalate Substances 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000002785 anti-thrombosis Effects 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 239000010836 blood and blood product Substances 0.000 description 1
- 229940125691 blood product Drugs 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000003978 infusion fluid Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 235000016709 nutrition Nutrition 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
-
- 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
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the 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
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
- A61M5/16881—Regulating valves
-
- 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
-
- 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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- 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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3341—Pressure; Flow stabilising pressure or flow to avoid excessive variation
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to the field of medical instrument technology, specifically a kind of free style without the control of draw point essence can retention transfusion system, including the infusion bag assembly contacted by infusion extension tube, infusion extend tube assembly and can retention transfusion hose；Infusion bag assembly includes external pressure box and elastic transfusion bag；Infusion extend tube assembly include infusion extension tube and attached fine rate controlling valve, accurate medicine cross, positive pressure connector formula Needleless dosing mouth and female Luer；Can retention transfusion hose include positive pressure connector, side opening draw point, DC tube and its one end connection infusion tube, the side wall of DC tube has extended obliquely out infusion branch pipe, medical silica-gel pad is equipped with DC tube tube chamber, side opening draw point disengages it from wrapping up needle point during DC tube equipped with anti-stab locked component；The present invention has been inherently eliminated risk present in existing transfusion system, and relatively reliable, safer infusion model is provided to patient, while ensure that the safe operation of medical staff, eliminates and stabs and infected risk.
Description
Technical field
The present invention relates to the field of medical instrument technology, and a kind of specifically free style can retention transfusion system without draw point essence control
System.
Background technology
Transfusion device is a kind of that the treatment such as liquid medicine or some nutriments, blood product, support nutrition input is internal
Apparatus, transfusion device mainly by sequentially connected liquid storing bag, transfusion catheter, flow regulating unit and pin first class sections group
Into.Current transfusion device is made of disposable material, and Clinical practice is convenient, can reduce the risk of cross-infection.But
The infusion of existing transfusion device is entirely to realize continuous infusion by infusion product self gravitation effect, its needs is suspended on higher infusion
On frame.This mode by gravity infusion significantly limit the activity of patient, clinically when nurse operation is improper or suffers from
Person's self reason is easy to cause the clinical risks such as blood back or bulge, especially easily delays infusion treatment when wartime or disaster first aid
And it is delayed best occasion for the treatment.
The lancet and means such as the draw point that traditional transfusion device uses during infusion, clinic easily cause needle roller bulge etc.
Harm, and easily accidentally injure medical staff and collect personnel.Meanwhile existing transfusion device material is mostly the PVC containing plasticiser, this
The transfusion device of kind material is proved to have potential carcinogenic risk, therefore also there is an urgent need for a kind of harmless transfusion device by those skilled in the art
To ensure the infusion safety of patient.
The content of the invention
For the problems of the prior art, it is an object of the invention to provide a kind of free style without the control of draw point essence can indwelling it is defeated
Liquid system, it is ensured that convenience in patient fluid infusion's therapeutic process, safety and reliable.
To achieve these goals, the present invention is achieved by the following scheme：A kind of free style is controlled without draw point essence
Can retention transfusion system, including contacted by infusion extension tube infusion bag assembly, infusion extend tube assembly and can retention transfusion it is soft
Tube assembly；
The infusion bag assembly includes external pressure box and elastic transfusion bag；
The infusion extends tube assembly and crosses, just crimps including infusion extension tube and attached fine rate controlling valve, accurate medicine
Hair style Needleless dosing mouth and female Luer；
It is described can retention transfusion hose include the defeated of positive pressure connector, side opening draw point, DC tube and its one end connection
Liquid hose, the side wall of DC tube have extended obliquely out infusion branch pipe, and medical silica-gel is equipped with the DC tube tube chamber away from infusion tube
Pad, be plugged with side opening draw point in the medical silica-gel pad and its needle point extends to the projecting end of infusion tube via DC tube
Portion, side opening draw point disengage it from wrapping up needle point during DC tube equipped with anti-stab locked component.
Preferably, using elastic material as side wall, one end is equipped with opening and goes out liquid for elastic infusion bag the external pressure box
Mouth exposes, and the other end is equipped with buckle and is used to close external pressure box.
Preferably, external pressure box material is elastic material, including Nitinol, fibrous elasticity glass, elastoplastic, external pressure
The systolic pressure of power box is 2~200kPa.
Preferably, the anti-stab locked component includes the column pipe being set on side opening draw point, the column pipe
Arranged including large and small diameter segment casing and the large and small diameter segment casing from the syringe needle of side opening draw point to backshank direction, it is described small straight
The footpath section aperture of casing matches with the shank bar footpath of side opening draw point, and the shank of side opening draw point is equipped with salient point, the salient point
For width between the aperture of large and small diameter segment casing, the distance of the salient point and needle point is not more than the length of enlarged diameter section casing
Degree.
Preferably, the described one end of side opening draw point away from needle point is fixed with needle stand and handle, the needle stand for column and its
The madial wall of surface and DC tube forms interference fit.
Preferably, the side opening draw point is equipped with blood groove, and the blood groove is to be arranged on side opening draw point to run through needle point
Hollow lumen, the one end of hollow lumen away from needle point are equipped with the intercommunicating pore of transfixion pin wall, and pin wall is in flat and structure at intercommunicating pore
Into the salient point, its width is less than the aperture of enlarged diameter section casing and more than the aperture of reduced diameter section casing, intercommunicating pore and pin
The distance of point is less than the length of enlarged diameter section casing.
Preferably, it is diagonally disposed in the female Luer to have positive pressure connector formula Needleless dosing mouth, the positive pressure connector formula
Specific requirement is not done in Needleless dosing mouth position, can be provided separately within the addition at any time that medicine is realized in infusion extension tube.
Preferably, the accurate medicine excessively in be equipped with filter membrane, the filter membrane be macromolecular polyester films or nylon membrane or
Ionic membrane, its aperture are 0.15~5 μm.
Compared with prior art, the present invention has following technique effect：
1st, the elastic transfusion bag for filling liquid and having certain volume size is placed in external pressure box by the present invention, utilizes nickel
Titanium alloy elastomeric material easily deforms upon, high intensity memory characteristic and the ability recovered automatically are realized to elastic transfusion bag
Extruding, ensures that persistently elastic transfusion bag increase pressure can be allowed the liquid in infusion process to continue into infusion extension
Pipe, coordinate fine rate controlling valve realize by liquid at the uniform velocity be delivered to the internal of patient, avoid traditional infusion by gravity
Activity of the mode to patient limits, and realizes free infusion；
2nd, the present invention replaces traditional puncture outfit using female Luer, avoids medical care caused by traditional puncture outfit possibility
Personnel stab or infect, and coordinate the use of positive pressure connector, when medicine is filled and operated, without using injecting draw point, from source
Solve and risk stabbed existing for traditional lancet and means, at the same positive pressure connector can connect and pin syringe, transfusion device, blood transfusion
Device, completes the treatment task such as infusion, blood transfusion and blood drawing, can be with antithrombotic when product needs indwelling；
3rd, the present invention using can retention transfusion hose replace existing transfusion needle, after puncture procedure is completed, puncture
Draw point is pulled out and its needle portion is wrapped up automatically, is avoided to being stabbed caused by medical worker's possibility by mistake；Can retention transfusion
Tube assembly replace it is existing infusion draw point be infusion it is more humane, in infusion process without having to worry about because patient motion amplitude it is excessive
Draw point is caused to puncture blood vessel equivalent risk.
Transfusion system provided by the invention, has been inherently eliminated risk present in existing infusion products, has been carried to patient
Relatively reliable, safer infusion model has been supplied, while ensure that the safe operation of medical staff, has been eliminated and is stabbed and felt
The risk of dye.
Brief description of the drawings
Fig. 1 be free style provided by the invention without draw point essence control can retention transfusion system schematic diagram；
Fig. 2 be can retention transfusion hose and side opening draw point schematic diagram；
Fig. 3 is the enlarged diagram of location A in Fig. 2；
Fig. 4 is that side opening draw point extracts the schematic diagram after three-way pipe；
Fig. 5 is the enlarged diagram of B location in Fig. 4；
Fig. 6 is the schematic diagram of column pipe；
Figure label explanation：10- infusion extension tubes, 11- DC tubes, 12- infusion tubes, 13- infusion branch pipes, 14- are medical
Silicagel pad, 15- side opening draw points, 151- needle stands, 152- handles, 153- blood grooves, 154- intercommunicating pores, 16- column pipes, 161- are straight greatly
Footpath section casing, 162- reduced diameter section casings, 20- elastic transfusion bags, 30- external pressure boxes, 31- buckles, 40- female Luers, 50- essences
Close medicine mistake, the fine rate controlling valves of 60-, 70- positive pressure connector formula Needleless dosing mouths, 80- positive pressure connectors.
Embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is furture elucidated.
As described in Fig. 1,2, the present invention provides a kind of free style without the control of draw point essence can retention transfusion system, its feature exists
In：Extend tube assembly and can retention transfusion hose including the infusion bag assembly contacted by infusion extension tube 10, infusion；
The infusion bag assembly includes external pressure box 30 and elastic transfusion bag 20；
Described infusion extend tube assembly include infusion extension tube 10 and attached fine rate controlling valve 60, accurate medicine cross 50,
Positive pressure connector formula Needleless dosing mouth 70 and female Luer 40；
It is described can retention transfusion hose include positive pressure connector 80, side opening draw point 15, DC tube 11 and its one end and connect
The infusion tube 12 connect, the side wall of DC tube 11 have extended obliquely out infusion branch pipe 13, and the DC tube 11 away from infusion tube 12 is managed
Intracavitary is equipped with medical silica-gel pad 14, is plugged with side opening draw point 15 in the medical silica-gel pad 14 and its needle point is via DC tube 11
The cantilevered end of infusion tube 12 is extended to, side opening draw point 15 disengages it from wrapping up during DC tube 11 equipped with anti-stab locked component
Needle point.
Traditional transfusion system is usually required by infusion bottle hanging on infusion support, and the gravity by liquid itself is defeated
Note the internal of patient, but this mode by gravity infusion significantly limit the activity of patient, transfusion needle indwelling in
The conducting of liquid is used for realization in the blood vessel of patient, is caused if patient has significantly action that transfusion needle may be caused to puncture blood vessel
Bulge equivalent risk, increases the pain of patient；In addition, the transfusion needle is all disposable, transfusion needle there are after using
The risk of medical staff or patient are stabbed, easily causes to infect so that medical staff has very big risk at work.This hair
The transfusion system of bright offer, by the way that elastic transfusion bag is placed in the external pressure box 30 that Nitinol is fabricated to, since NiTi closes
Gold is a kind of marmem, is easily deformed upon, and since the material has high intensity memory characteristic, can be received automatically
Contracting becomes original shape again, and there is the elastic transfusion bag 20 of certain volume deform upon the outer box after being put into external pressure box 30, in its receipts
Pressure extrusion elastic transfusion bag 20 is produced during contracting makes liquid infusion so just give up existing by weight to patient's body
The infusion model of power so that infusion becomes enhanced convenience.In specific transfusion operation, without being put into infusion bag with one
Determine on the infusion support of height, that is to say, that patient will not be limited in by infusion support or keep what infusion bag elevated in movement
Mode ensures the lasting progress of infusion, and transfusion system provided by the invention, realizes patient's relative to traditional infusion model
Freely, the freedom of infusion solutions, is a kind of transfusion system of free style.
Further, for the external pressure box 30 using elastic material as side wall, one end is equipped with opening for elastic infusion bag 20
Liquid outlet expose, the other end be equipped with buckle 31 be used for close external pressure box 30.
Further, 30 material of external pressure box is elastic material, including Nitinol, fibrous elasticity glass, elasticity modeling
Material, the systolic pressure of external pressure box 30 is 2~200kPa.The pressure limit is the wirking pressure scope of pressurizing infusion set, is passed through
After the closing external pressure of buckle 31 box 30, the recovery pressure of the Nitinol in itself promotes the liquid in elastic transfusion bag 20 to flow into trouble
In person's body.More specifically, itself fatigue life of the nickel-titanium alloy material up to million times, is not only avoided that daily infusion process
The drawbacks of middle gravity infusion limitation patient activity, it can more meet under various extreme environments, particularly can not under the limitation of space
The requirement of gravity infusion is carried out, such as proper height or fixed infusion support can not be provided during first aid in the wild, so war
The infusion of period first aid of battle field requires, and compensate for blank of the transfusion device under specific condition field.
With reference to shown in Fig. 2~6, in transfusion system provided by the invention, the needle point of side opening draw point 15 prolongs via DC tube 11
The cantilevered end of infusion tube 12 is extended, when specifically used, medical staff plants side opening draw point 15 together with infusion tube 12
Into the blood vessel of patient, side opening draw point 15 is then extracted, liquid flows into DC tube 11 via infusion branch pipe 13 at this time, then through defeated
Liquid hose 12 flows into the blood vessel of patient, and after side opening draw point 15 is extracted completely, the anti-stab locked component set thereon wraps up needle point.
The medical silica-gel pad 14 realizes the sealing of 11 one end of DC tube.The design avoids sticks injuries caused by needle point；Together
When, it is infusion tube 12 to be retained in patient vessel, without having to worry about patient because causing side opening draw point 15 to pierce after significantly acting
Blood-breaking pipe causes the phenomenon of bulge.
Further, heretofore described anti-stab locked component includes the column pipe being set on side opening draw point 15
16, the column pipe 16 includes large and small diameter segment casing 161,162 and the large and small diameter segment casing 161,162 from side opening steel
The syringe needle of pin 15 arranges to backshank direction, the aperture of the reduced diameter section casing 162 and the shank bar footpath kissing of side opening draw point 15
Close, the shank of side opening draw point 15 is equipped with salient point, and the width of the salient point is between the aperture of large and small diameter segment casing 161,162
Between, the distance of the salient point and needle point is not more than the length of enlarged diameter section casing 161.When it is implemented, first by column pipe
16 are set on the shank of side opening draw point 15, then set salient point on the shank of side opening draw point 15, the salient point can use extruding,
The mode of solder joint is formed, in this way, during side opening draw point 15 is extracted, column pipe 16 is to relative motion at needle point, then
The salient point formed with reduced diameter section casing 162 it is spacing, at this time, since the distance of salient point and needle point is not more than enlarged diameter section casing
161 length, that is to say, that needle point at this time is completely disposed in the enlarged diameter section casing 161 of column pipe 16, is eliminated
The draw point of extraction can cause the risk stabbed or infected.
Further, in order to facilitate the operation, described one end of side opening draw point 15 away from needle point is fixed with needle stand 151 and hand
Handle 152, the needle stand 151 are formed for the madial wall on column and its surface and DC tube 11 and are interference fitted., will when producing assembling
Side opening draw point 15 is planted in infusion tube 12 along DC tube 11, and the transfusion needle identical with traditional infusion device is protected on its outer sheath
Sheath is as protection, this infusion needle system is also disposable, once extracting side opening draw point 15, needle point is enclosed in cylindrical sleeve
In pipe 16.
In the transfusion system of the present invention or puncture intravasation is carried out by side opening draw point 15, it is complete in side opening draw point 15
During full extraction, infusion tube 12 is the operation that can not realize puncture, therefore, in order to determine that the side opening draw point 15 is correct slotting
Put in the blood vessel of patient, blood groove 153 is equipped with the side opening draw point 15, the blood groove 153 is to be arranged on side opening steel
Run through the hollow lumen of needle point on pin 15, the one end of hollow lumen away from needle point is equipped with the intercommunicating pore 154 of transfixion pin wall, intercommunicating pore
Pin wall in flat and forms the salient point at 154, its width is less than the aperture of enlarged diameter section casing 161 and is more than minor diameter
The distance of the aperture of section casing 162, intercommunicating pore 154 and needle point is less than the length of enlarged diameter section casing 161.In the mistake of concrete operations
Cheng Zhong, side opening draw point 15 such as see blood when puncturing and emerge from side opening, you can judge that infusion tube 12 at this time has been plugged on
Path is formed in patient vessel, needle point can be extracted completely by medical silica-gel pad 14 at this time, liquid can pass through infusion branch pipe
13rd, DC tube 11 and infusion tube 12 are flowed into the blood vessel of patient, and the column pipe 16 being arranged on side opening draw point 15 is clamped
Wrapped up at needle point position.In order to facilitate the operation, the lower end of blood groove 153, i.e., be arranged to flat simultaneously at 154 position of intercommunicating pore
The salient point is formed, therefore without separately setting salient point on the shank of side opening draw point 15.
Further, it is diagonally disposed in the female Luer 40 to have positive pressure connector formula Needleless dosing mouth 70 in the present invention.
In this way, when medicine is filled and operated, without using injecting draw point, solve from source and stabbed existing for traditional lancet and means
Risk；In fact, the present invention can use, female Luer 40 substitutes puncture outfit, positive pressure connector formula Needleless dosing mouth 70 substitutes heparin
Cap, solves to stab risk existing for lancet and means in transfusion system, realizes the safe infusion under various environment；Positive pressure connector formula without
Pin dosing mouth 70 is provided separately within the addition at any time that medicine is realized in infusion extension tube 10, and the present invention is for positive pressure connector formula needleless
Dosing mouth 70 specifically sets position not do special requirement, and medical worker of being subject to facilitates medicine to fill.
Accurate medicine in the present invention is crossed and filter membrane is equipped with 50, the filter membrane for macromolecular polyester films or nylon membrane or
Ionic membrane, its aperture are 0.15~5 μm.The macromolecular polyester films can specifically select PET film.Pass through setting for filter membrane
Put, impurity present in liquid can be removed.
The effect of fine rate controlling valve 60, which is not only only that, in the present invention realizes quantitative infusion, it is even more important that fine
The quantitative liquid feeding of rate controlling valve 60 rationally controls the at the uniform velocity feed flow of the elastic transfusion bag 20 in external pressure box 30, avoids because of external pressure
Liquid flow velocity caused by the change of 30 pressure of power box is unstable.The fine rate controlling valve 60 is real by its internal multigroup pipeline
The control of existing medicinal liquid flow, the control mode are the plurality of stable volume control device used in the prior art, and the present invention is herein
Do not repeat.
In order to build safer infusion environment, infusion extension tube 10 of the invention substitutes tradition PVC using TPE material
Or the PVC material containing plasticiser；Traditional PVC material contains residual vinyl chloride, while added in product molding process
Plasticizer, such as DEHP, these chemical substances have carcinogenic risk and toxicity, have suction-operated to part infusion medicine, so that
Potential risk is produced to patient, and new TPE material is because its heat endurance is good, transparency is high, and production is formed without addition and appoints
What plasticizer, to medicine entirely without absorption, has good biocompatibility, so be the excellent material of replacement PVC.
Free style provided by the invention without draw point essence control can retention transfusion system, broken away from the gravity mode of traditional infusion,
Realize the more free free style infusion of relatively traditional infusion model；Get rid of traditional puncture base part and bring thorn
Wound, infection risk, by infusion safety lifting to new high.
Basic principle, main feature and the features of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement is both fallen within the range of claimed invention.The scope of protection of present invention is by appended claims
And its equivalent thereof.
Claims (8)
1. a kind of free style can retention transfusion system without draw point essence control, it is characterised in that：Including being contacted by infusion extension tube (10)
Infusion bag assembly, infusion extend tube assembly and can retention transfusion hose；
The infusion bag assembly includes external pressure box (30) and elastic transfusion bag (20)；
The infusion, which extends tube assembly, includes infusion extension tube (10) and attached fine rate controlling valve (60), accurate medicine mistake
(50), positive pressure connector formula Needleless dosing mouth (70) and female Luer (40)；
It is described can retention transfusion hose include positive pressure connector (80), side opening draw point (15), DC tube (11) and its one end
The infusion tube (12) of connection, the side wall of DC tube (11) have extended obliquely out infusion branch pipe (13), away from infusion tube (12)
Is equipped with medical silica-gel pad (14) in DC tube (11) tube chamber, the medical silica-gel pad (14) is interior be plugged with side opening draw point (15) and
Its needle point extends to the cantilevered end of infusion tube (12) via DC tube (11), and side opening draw point (15) needle stand portion is equipped with anti-stab lock
Determine component to disengage it from wrapping up needle point during DC tube (11).
2. free style according to claim 1 can retention transfusion system without draw point essence control, it is characterised in that：The external pressure
Power box (30) is using elastic material as side wall, and one end is equipped with opening and exposes for the liquid outlet of elastic infusion bag (20), and the other end is equipped with
Buckle (31) is used to close external pressure box (30).
3. free style according to claim 2 can retention transfusion system without draw point essence control, it is characterised in that：External pressure box
(30) material is elastic material, including Nitinol, fibrous elasticity glass, elastoplastic, the systolic pressure of external pressure box (30)
For 2~200kPa.
4. free style according to claim 1 can retention transfusion system without draw point essence control, it is characterised in that：Described is anti-stab
Locked component includes the column pipe (16) being set on side opening draw point (15), and the column pipe (16) includes large and small diameter
Section casing (161,162) and the large and small diameter segment casing (161,162) from the syringe needle of side opening draw point (15) to backshank direction cloth
Put, the aperture of the reduced diameter section casing (162) matches with the shank bar footpath of side opening draw point (15), the pin of side opening draw point (15)
Bar is equipped with salient point, the width of the salient point between the aperture of large and small diameter segment casing (161,162), the salient point with
The distance of needle point is not more than the length of enlarged diameter section casing (161).
5. free style according to claim 4 can retention transfusion system without draw point essence control, it is characterised in that：The side opening steel
The one end of pin (15) away from needle point is fixed with needle stand (151) and handle (152), the needle stand (151) for column and its surface with
The madial wall of DC tube (11) forms interference fit.
6. free style according to claim 4 can retention transfusion system without draw point essence control, it is characterised in that：The side opening steel
Pin (15) is equipped with blood groove (153), and the blood groove (153) is to be arranged on the hollow tube for running through needle point on side opening draw point (15)
Chamber, the one end of hollow lumen away from needle point are equipped with the intercommunicating pore (154) of transfixion pin wall, and intercommunicating pore (154) place pin wall is in flat
And the salient point is formed, its width is less than the aperture of enlarged diameter section casing (161) and more than the hole of reduced diameter section casing (162)
The distance of footpath, intercommunicating pore (154) and needle point is less than the length of enlarged diameter section casing (161).
7. free style according to claim 1 can retention transfusion system without draw point essence control, it is characterised in that：Described Rule
It is diagonally disposed on connector (40) to have positive pressure connector formula Needleless dosing mouth (70).
8. free style according to claim 1 can retention transfusion system without draw point essence control, it is characterised in that：The precision medicine
Cross and filter membrane is equipped with (50), the filter membrane is macromolecular polyester films or nylon membrane or ionic membrane, its aperture is 0.15~5
μm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029399.4A CN107929871A (en) | 2018-01-10 | 2018-01-10 | A kind of free style can retention transfusion system without draw point essence control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029399.4A CN107929871A (en) | 2018-01-10 | 2018-01-10 | A kind of free style can retention transfusion system without draw point essence control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107929871A true CN107929871A (en) | 2018-04-20 |
Family
ID=61938677
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810029399.4A Pending CN107929871A (en) | 2018-01-10 | 2018-01-10 | A kind of free style can retention transfusion system without draw point essence control |
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| Country | Link |
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| CN (1) | CN107929871A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837224A (en) * | 2018-07-16 | 2018-11-20 | 杭州光启医疗科技发展有限公司 | The medical fluid delivery instrument of anti-backflow |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000197705A (en) * | 1999-01-05 | 2000-07-18 | Bunno Ryu | Multipurpose safe automatic liquid-transporting venous catheter |
| US6406458B1 (en) * | 1995-08-09 | 2002-06-18 | Premetec Ab | Pressure infusion apparatus |
| JP2009005997A (en) * | 2007-06-29 | 2009-01-15 | Nipro Corp | Indwelling needle assembly |
| CN101829374A (en) * | 2009-03-09 | 2010-09-15 | 石学银 | Novel medical blood vessel remaining needle |
| CN103071203A (en) * | 2012-12-12 | 2013-05-01 | 山东新华安得医疗用品有限公司 | Anti-acupuncture intravenous detaining needle |
| CN103285450A (en) * | 2013-03-25 | 2013-09-11 | 南通恒泰医疗器材有限公司 | Multifunctional indwelling needle |
| CN103736170A (en) * | 2013-10-12 | 2014-04-23 | 苏州市雅思精密模具有限公司 | Anti-puncture remaining needle |
| CN203749919U (en) * | 2014-01-26 | 2014-08-06 | 青岛大学医学院附属医院 | Needleless infusion device |
| CN203776884U (en) * | 2014-02-24 | 2014-08-20 | 新乡市驼人医疗器械有限公司 | Novel artery remaining needle |
| CN205386262U (en) * | 2016-01-07 | 2016-07-20 | 黄世英 | Pressure type transfusion system |
| CN209092387U (en) * | 2018-01-10 | 2019-07-12 | 程基才 | A kind of free style can retention transfusion system without the control of steel needle essence |
-
2018
- 2018-01-10 CN CN201810029399.4A patent/CN107929871A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6406458B1 (en) * | 1995-08-09 | 2002-06-18 | Premetec Ab | Pressure infusion apparatus |
| JP2000197705A (en) * | 1999-01-05 | 2000-07-18 | Bunno Ryu | Multipurpose safe automatic liquid-transporting venous catheter |
| JP2009005997A (en) * | 2007-06-29 | 2009-01-15 | Nipro Corp | Indwelling needle assembly |
| CN101829374A (en) * | 2009-03-09 | 2010-09-15 | 石学银 | Novel medical blood vessel remaining needle |
| CN103071203A (en) * | 2012-12-12 | 2013-05-01 | 山东新华安得医疗用品有限公司 | Anti-acupuncture intravenous detaining needle |
| CN103285450A (en) * | 2013-03-25 | 2013-09-11 | 南通恒泰医疗器材有限公司 | Multifunctional indwelling needle |
| CN103736170A (en) * | 2013-10-12 | 2014-04-23 | 苏州市雅思精密模具有限公司 | Anti-puncture remaining needle |
| CN203749919U (en) * | 2014-01-26 | 2014-08-06 | 青岛大学医学院附属医院 | Needleless infusion device |
| CN203776884U (en) * | 2014-02-24 | 2014-08-20 | 新乡市驼人医疗器械有限公司 | Novel artery remaining needle |
| CN205386262U (en) * | 2016-01-07 | 2016-07-20 | 黄世英 | Pressure type transfusion system |
| CN209092387U (en) * | 2018-01-10 | 2019-07-12 | 程基才 | A kind of free style can retention transfusion system without the control of steel needle essence |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837224A (en) * | 2018-07-16 | 2018-11-20 | 杭州光启医疗科技发展有限公司 | The medical fluid delivery instrument of anti-backflow |
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