CN110075382A - A kind of multi-functional non-PVC material infusion apparatus - Google Patents
A kind of multi-functional non-PVC material infusion apparatus Download PDFInfo
- Publication number
- CN110075382A CN110075382A CN201910455241.8A CN201910455241A CN110075382A CN 110075382 A CN110075382 A CN 110075382A CN 201910455241 A CN201910455241 A CN 201910455241A CN 110075382 A CN110075382 A CN 110075382A
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- Prior art keywords
- needle
- perfusion tube
- pvc material
- transom window
- functional non
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- 239000000463 material Substances 0.000 title claims abstract description 56
- 238000001802 infusion Methods 0.000 title claims abstract description 51
- 230000010412 perfusion Effects 0.000 claims abstract description 27
- 238000001990 intravenous administration Methods 0.000 claims abstract description 15
- 239000004014 plasticizer Substances 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 claims description 19
- 230000023597 hemostasis Effects 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 7
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000001225 therapeutic effect Effects 0.000 abstract description 2
- 239000012752 auxiliary agent Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 14
- 239000012528 membrane Substances 0.000 description 11
- 238000001914 filtration Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 229920002725 thermoplastic elastomer Polymers 0.000 description 8
- 229920000297 Rayon Polymers 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 230000009975 flexible effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- ARCGXLSVLAOJQL-UHFFFAOYSA-N anhydrous trimellitic acid Natural products OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/165—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
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—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
-
- 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
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0216—Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking
-
- 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
Abstract
The invention discloses a kind of multi-functional non-PVC material infusion apparatuses characterized by comprising perfusion tube is sequentially connected on perfusion tube and realizes needle for inserting bottle, dropper, flow regulator, Y type injection the dosing part, accurate filter, intravenous infusion needle of connection；The tongs being clamped on perfusion tube are provided between the accurate filter, intravenous infusion needle；The needle for inserting bottle sleeve is in needle for inserting bottle helmet, and for the needle body sleeve of the intravenous infusion needle in transfusion needle helmet, the perfusion tube is TPU material.The present invention is compared with the existing disposable transfusion device using PVC material as infusion tube material, it can be to avoid the auxiliary agent cyclohexanone and plasticizer used needed for using in PVC injection molding, to prevent above two to influence therapeutic effect and cause patient certain injury risk at analyzing into medical fluid on source as the material of perfusion tube using TPU.
Description
Technical field
The present invention relates to medical instruments field, especially a kind of multi-functional non-PVC material infusion apparatus.
Background technique
Usually used disposable infusion set, is processed with PVC material, makees bonding agent with cyclohexanone.Due to PVC
Material contains a large amount of plasticizer, and plasticizer influences therapeutic effect, while can cause certain harm to patient；Commonly
Infusion apparatus is due to designing structure, and there are leakage, pipeline air inlet, infusions slowly, accident pulls rear patient's bleeding, outside medical fluid
The security risk let out.
Summary of the invention
The purpose of the present invention is to provide one kind can be avoided the above problem, improves the multi-functional non-of clinical use safety
PVC material infusion apparatus.
To reach above-mentioned technical effect, the technical solution of the present invention is as follows:
A kind of multi-functional non-PVC material infusion apparatus, comprising: perfusion tube is sequentially connected on perfusion tube and realizes the plug bottle of connection
Needle, dropper, flow regulator, Y type inject dosing part, accurate filter, intravenous infusion needle；The accurate filter, vein are defeated
The tongs being clamped on perfusion tube are provided between liquid needle；For the needle for inserting bottle sleeve in needle for inserting bottle helmet, the vein is defeated
For the needle body sleeve of liquid needle in transfusion needle helmet, the perfusion tube is the thermoplastic elastomer (TPE) material without containing plasticizer.
The present invention is compared with the existing disposable transfusion device using PVC material as infusion tube material, using without containing increasing
The thermoplastic elastomer (TPE) (such as TPU, TPE etc.) for moulding agent can be to avoid using institute in PVC injection molding as the material of perfusion tube
The plasticizer that need to be used avoids plasticizer to treatment to prevent possibility of the plasticizer into medical fluid on source
Influence and the harm to patient body caused by effect.
Further, the needle for inserting bottle includes needle body, and the gas of the intracorporal inlet channel opening and closing of control needle is provided on needle body
Window plug, the sealed connection being interference fitted between the needle body and transom window plug, the transom window plug are PE material.It is preferable using material
Flexibility realize it is Nian Jie without viscose between transom window plug and needle for inserting bottle, simultaneously as PE material is compared to traditional PVC material
With lower shrinking percentage, the appearance of the larger phenomenon of leakage that causes to leak air therebetween of temperature change is avoided.
Further, the transom window plug includes: the connecting column of PE material, sealing cover, and the connecting column includes linkage section, close
Section is sealed, baffler is provided on the end face of the seal section, is provided on the baffler and is connected with the air flue in connecting column
Transom window hole；The sealing cover side is provided with blocking head；When sealing, the sleeve of the blocking head interference fit is in the transom window
Kong Zhong.PE material it is temperature sensitive degree it is small, will not occur biggish volume change ambient temperature changes greatly, because without
It will affect the interference fit between transom window plug and needle for inserting bottle, ensure that transom window plug and needle for inserting bottle and air-filtering membrane are logical in air inlet
Leakproofness at road port.
Further, the blocking head is provided with expansion head in the shape of a trumpet, the expansion head far from sealing cover one end
The front end of sealing cooperation and the expansion head with the interference of transom window hole is pierced by the transom window hole to baffler close to connecting column side.
Pressure between increase and transom window hole inner wall, to play better seal effect, while when expansion head enters in transom window hole
To transom window hole play the role of one it is distracted, to facilitate diameter lesser blocking head in rear to enter in transom window hole.
Further, the dropper is BS plastic material, and setting prevention bubble enters the choke of perfusion tube in the drop bottle
Part.The safety equally with higher of BS material, compared to common PVC material, it is internal without cyclohexanone and plasticizer, keeps away
Exempt from above two harmful substance to be precipitated into medical fluid and affect the treatment and even bring certain harm to patient.
Further, it is provided with delicate flow control system between the flow regulator and Y type injection dosing part, it is described
Delicate flow control system connection is connected on perfusion tube.Delicate flow control system can be realized the accurate infusion of medical fluid,
Ensure the safety of infusion.
Further, it is provided with two-way hemostasis between the accurate filter and intravenous infusion needle and stops liquid safety device, institute
It states two-way hemostasis and stops being connected on the perfusion tube of liquid safety device connection.Bidirectional safeties unexpected drawing can occurring
Separation in time is realized during accident, and automatic plugging is realized to port at two isolated, prevents patient's bleeding, medicine
The security risk that liquid leaks.
Further, the recessed end in the outer circle taper joint of the diaphragm seal, the outer cone fitting end are also set
It is equipped with large plate, the large plate presses on the end face of the diaphragm seal, and large plate is provided centrally with for the conduction pipe
The first through hole passed through.Large plate can effectively prevent diaphragm seal to be switched on pipe and take outer circle taper joint out of, to guarantee to lead
After siphunculus and outer circle taper joint are detached from, diaphragm seal can continue to stay at the port of outer circle taper joint, play sealing outer circle tapered joint
The effect of head.
Further, the recessed end in the inner circle taper joint of the diaphragm seal, the female cone fitting end are also set
It is equipped with small pressing plate, the small pressing plate presses on the end face of the diaphragm seal, and small pressing plate is provided centrally with for the conduction pipe
The second through hole passed through.Small pressing plate can effectively prevent diaphragm seal to be switched on pipe and take inner circle taper joint out of, to guarantee to lead
After siphunculus and inner circle taper joint are detached from, diaphragm seal can continue to stay at the port of inner circle taper joint, play sealing inner circle tapered joint
The effect of head.
Further, one end of the inward-facing cone joint of outer circle taper joint is provided with for the insertion of inner circle taper joint
Sheath, the conduction pipe axial movement are set in the sheath, and the conduction pipe is detached from after outer circle taper joint close to inner circle
One end that taper joint assembles does not protrude from the sheath end face.Sheath can guarantee the interconnecting piece of conduction pipe after safety device separation
Position still is able to ensconce inside sheath, will not grazing polluted to other objects, guarantee that subsequent two-way hemostasis stops liquid safety dress
The docking again set is to restore to be infused.
Detailed description of the invention
Fig. 1 is multi-functional non-PVC material transfusion system structure schematic diagram；
Fig. 2 is the structural schematic diagram of needle for inserting bottle；
Fig. 3 is structural schematic diagram when transom window plug is opened；
Structural schematic diagram when Fig. 4 is transom window plug closure；
Fig. 5 is that a kind of two-way hemostasis stops diagrammatic cross-section when liquid safety device is assembled together；
Fig. 6 is that a kind of two-way hemostasis stops outside schematic diagram when liquid safety device is assembled together；
Fig. 7 is that a kind of two-way hemostasis stops liquid safety device use state diagram；
Fig. 8 is that a kind of two-way hemostasis stops liquid safety device disengaged condition schematic diagram；
Fig. 9 is that a kind of two-way hemostasis stops the diagrammatic cross-section after liquid safety device disengages；
Figure 10 is that a kind of two-way hemostasis stops the outside schematic diagram after liquid safety device disengages.
Appended drawing reference: 1. perfusion tube, 2. needle for inserting bottle 2-1. transom window plug 2-11. sealing cover 2-111. blocks head 2-112.
Expand the stupefied 2-12. connecting column 2-121. linkage section 2-122. seal section 2-123. of head 2-113. flange 2-114. friction projection
Air flue 2-13. baffler 2-131. transom window hole 2-132. introducing port 2-14. connecting band 2-2. needle body 2-21. inlet channel
3. dropper 3-1 vapour lock part of 2-22. medicine liquid channel 2-23. mounting groove 2-3. air-filtering membrane, 4. flow regulator 5.Y type
Inject 6. accurate filter of dosing part, 7. intravenous infusion needle, 8. tongs, 9. needle for inserting bottle helmet, 10. transfusion needle helmet 11.
The two-way hemostasis of delicate flow control system 12. stops liquid device 12-1. outer circle taper joint 12-11. the first groove 12-2. inner circle
Taper joint 12-21. the second groove 12-22.C type buckles 12-3. diaphragm seal 12-31. spliced eye 12-4. conduction pipe 12-
41. small the second through hole of the pressing plate 12-61. 12-7. sheath of guide rod 12-5. large plate the first through hole of 12-51. 12-6.
12-71. limiting slot 12-72.C type card slot 12-8. positions shrinkage pool 12-9. fixed column.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of multi-functional non-PVC material infusion apparatus as shown in connection with fig. 1, which is characterized in that including perfusion tube 1 and sequentially
It is connected on perfusion tube 1 and realizes the needle for inserting bottle 2 to communicate with each other, dropper 3, flow regulator 4, Y type injection dosing part 5, precision
Filter 6, intravenous infusion needle 7, and be clamped on the perfusion tube between 7 in accurate filter 6 and venous transfusion one it is back-shaped
The tongs 8 of structure, in a specific embodiment, tongs can also be various other structures, while in order to guarantee using
Either needle for inserting bottle and intravenous infusion needle is prevented not to be contaminated or damage to user in transportational process.Needle for inserting bottle 2 is inserted
Cover in needle for inserting bottle helmet 9, and intravenous infusion needle then sleeve in transfusion needle helmet 10；And when in order to avoid being infused in medicinal liquid bottle
Pressure imbalance blood back flow, the transom window plug 2-1 for balancing air pressure in medicinal liquid bottle is provided on needle for inserting bottle；And in order to prevent
Harmful substance (such as DEHP- dioctyl phthalate, DINP- diisononyl phthalate, TOTM- trimellitic acid three
The plasticizer such as different monooctyl ester) the case where affecting the treatment even injury patient appearance is precipitated, the material of perfusion tube 1 is without containing plasticizer
Thermoplastic elastomer (TPE) (such as TPU, TPE etc.) material.
As shown in Fig. 2 ~ 4, a kind of multi-functional non-PVC material infusion apparatus of the present invention further improvement lies in that, needle for inserting bottle packet
Needle body 2-2 is included, the transom window plug 2-1 and setting being mounted on needle body are played between transom window plug and needle body only for air by simultaneously
Prevent the air-filtering membrane 2-3 of internal medical fluid outflow.It is wherein interference fit between transom window plug and needle body, to realize the two
No viscose connection.
Detailed, what is penetrated through along its length in needle body is provided with inlet channel 2-21 and medicine liquid channel 2-22, in needle
There are also a mounting groove 2-23, the mounting groove is annular in shape for the surface setting of body, positioned at venting channels one end and with the venting channels
Coaxially.Transom window plug 2-1 interference fit is plugged in the mounting groove, realizes the sealed connection with needle body.Air-filtering membrane simultaneously
2-3 is coated on inlet channel close to one end of transom window plug, and the edge of air-filtering membrane 2-3 is by the inner wall banding of transom window plug logical
On outer wall at gas access port, outside air enters in infusion bottle from the air-filtering membrane, realizes infusion bottle air pressure inside
Balance adjustment.
Preferably, as shown in Figure 3, Figure 4, the transom window plug 2-1 includes connecting column 2-12 and the PE material of PE material
Sealing cover 2-11, wherein connecting column is cylindrical structure, axial inside it to be provided with an air flue 2-123, the two of connecting column
End is respectively linkage section 2-121 and seal section 2-122, and middle connecting segment is plugged in the mounting groove 2-23 of needle for inserting bottle, and is passed through
Interference fit between the two, which is realized, to be tightly connected.And it is then provided with one piece on the end face of seal section 2-121 and is covered on air flue 2-
Baffler 2-13 on 123 port, the baffler are similarly PE material, while what is penetrated through in the baffler offers one
The transom window hole 2-131 coaxial with air flue 2-123.And a cylindrical blocking head 2-111 is then provided on sealing cover 2-11, it should
The outer diameter for blocking head is slightly larger than the internal diameter of transom window hole 2-131, when blocking head is inserted into transom window hole, is between transom window hole
The sealed connection of interference fit plays the effect in a capping transom window hole.
Preferably, as shown in Figure 3, Figure 4, one is provided between sealing cover 2-11 and connecting column 2-12 to connect the two
Connecting band 2-14 together, wherein the connecting band is similarly PE material, and is molded together with sealing cover and connecting column.From
And make when sealing cover 2-11 and barrier plate 2-13 are in non-mated condition, Loss will not occur in sealing cover.Meanwhile
In the present embodiment, connecting band 2-14 is V-structure, and the edge of one end is connect with the edge of sealing cover 11, and the other end
Edge is then connect with the edge of seal section 2-122, this kind of connection type can guarantee that sealing cover and connecting column can be flexible
Adjust with the angular relationship of connecting band 2-14, to facilitate sealing cover and the barrier plate tune of positional relationship each other when mating
It is whole.Moreover, the V-structure of connecting band has certain length adjustment ability, can have one when sealing cover extracts barrier plate
Fixed buffering effect.
Preferably, as shown in Figure 3, Figure 4, an importing is provided at port of the transom window hole 2-131 far from connecting column one end
Mouth 2-132, in a specific embodiment, the introducing port are the horn mouth of one 30 ° ~ 45 ° chamferings, the diameter of introducing port 2-132
Greater than the diameter of transom window hole 2-131.Therefore, when the front end of blocking head 2-111 (one end far from sealing cover) enters introducing port 2-
When 132, the coaxial position with transom window hole can be smoothly reached under the action of introducing port；Meanwhile because blocking head and transom window
It is interference fit between hole, therefore often there is a situation where blocking head is more difficult is inserted into transom window hole, and introducing port can block up
The bore that chock plug gradually reduces before entering transom window hole, through it carries out necking to blocking head front end, until will all mouth front ends
Bore is contracted to match with gas aperture size, to facilitate its sleeve to enter in transom window hole.
Preferably, as shown in Figure 3, Figure 4, one end of sealing cover is provided with expansion head 2-112 in blocking head 2-111,
The front end portion of expansion head is piercing in outside transom window hole to barrier when the outer diameter of the expansion head is slightly larger than the outer diameter for blocking head and sealing
Plate is close to connecting column side.The expansion head is bell-mouth structure of air, is smoothly connected between blocking head.When expansion head enters to
Cooperation between transom window Kong Zhonghou, with transom window hole will be even closer, effectively promotes sealing effect of the invention.
Preferably, as shown in Figure 3, Figure 4, setting circumferential in the outer rim that expansion head 2-112 is pierced by the part in transom window hole
There is a circle flange 2-113.When sealing, after expansion head enters to transom window hole, flange 2-113 stretches out gas in company with expansion head 2-112
Fenestra partially passes through transom window hole to baffler on the end face of the side connecting column 2-12, at this time the end face of flange and baffler
Between cooperate, play a snap effect, prevent transom window hole by its internal blocking head 2-111 and expansion head 2-112
It squeezes out.
Preferably, as shown in Figure 3, Figure 4, connecting column 2-12 subtracts step by step for seal section 2-122 to linkage section 2-121 sectional area
Small step post shapes；In the present embodiment, connecting column has the step column of three section coaxial lines reduced step by step, when connecting column is inserted
When entering into needle for inserting bottle, the mounting groove 2-23 being similarly with step being adapted to therewith is protruded into the lesser one end of connecting column sectional area
In, play guiding and positioning function.The sleeve of interference between subsequent connecting column and mounting groove is facilitated to cooperate.
Preferably, as shown in Figure 3, Figure 4, one end sealing cover 2-11 opposite with connecting band 2-14 is provided at least one
Friction projection stupefied 114, to increase, user will block head and expansion head pulls out in transom window hole.Preferably, the stupefied 2-114 of friction projection with pinch
Finger vertical on sealing cover is equally spaced.
It should be noted that passing through the linkage section of connecting column 2-12 in transom window plug between transom window plug 2-1 and mounting groove 2-23
2-121 realizes sleeve connection.During practical set, because connecting column 2-12 uses PE material, have preferable flexible
Property, when the linkage section 2-121 of connecting column is press-fit into needle for inserting bottle, linkage section realizes certain under the action of needle for inserting bottle
Necking, and after linkage section 2-121 is pressed completely into needle for inserting bottle, the sleeve connection of interference fit is realized therebetween, in turn
The sealing effect for playing non-sticking glue avoids and realizes connection conventionally by viscose and viscose is incorporated to medical fluid and brought in the middle to patient
The generation of the case where injury.Simultaneously as PE it is temperature sensitive degree it is lower, will not because of temperature variation and there is biggish body
Product variation, therefore when ambient temperature changes greatly, the junction of connecting column 2-12 and needle for inserting bottle leakage will not occurs and protect
Gas leak phenomenon.And the blocking head and baffler 2-13 being arranged on sealing cover 2-11 are also made of PE material, the two is equally logical
The sleeve of interference fit connects to reach sealing effect.
Simultaneously, when transom window plug 2-11 is press-fit into the mounting groove 2-23 on needle body, the inner wall of connecting column will be empty
Gas filter membrane 2-3 banding exists on the lateral surface of inlet channel, therefore between the inner wall certainty and air-filtering membrane of connecting column
Biggish frictional force, and the frictional force is able to drive air-filtering membrane 2-3 and travels forward with the linkage section of connecting column, in turn
Enable what air-filtering membrane 2-3 tightened to be sealed on the end face of venting channels 2-21, being finally reached prevents medical fluid from air
The effect that channel and the junction of air-filtering membrane leak.
As shown in Figure 1, a kind of multi-functional non-PVC material infusion apparatus of the present invention further improvement lies in that, the material of dropper 3
For the safety and environmental protection and not BS plastics of plasticizer-containing, this kind of plastic material is flexible transparent, is suitble to the quick injection molding of drop bottle.Together
When in order to prevent bubble entered in human body from drop bottle with medical fluid, so as to cause aeroembolism phenomenon, be provided in drop bottle 3
One vapour lock part 3-1, the vapour lock part 3-1 are the conventional structure form in existing infusion apparatus.
As shown in Figure 1, a kind of multi-functional non-PVC material infusion apparatus of the present invention further improvement lies in that, adjusted in flow
Being additionally provided with a delicate flow control system 11(delicate flow control system between device 4 and Y type injection dosing part 5 can also claim
For delicate flow controller), which is connected on perfusion tube 1, when infusion, passes through adjustment precision flow control
Flow adjusting knob in system processed, which reaches, is precisely controlled medical fluid throughput, guarantees the effect of patient's infusion safety.
As shown in Fig. 5 ~ 10, a kind of multi-functional non-PVC material infusion apparatus of the present invention further improvement lies in that, in close mistake
It is provided with a two-way hemostasis between filter 6 and intravenous infusion needle 7 and stops liquid safety device 12, which stops liquid device and essence
What close filter 6 was connected to intravenous infusion needle 7 is connected on perfusion tube 1.
Detailed, in conjunction with shown in Fig. 5, Fig. 8, two-way hemostasis stops liquid safety device, comprising: an inside is equipped with the outer of channel
Cone joint 12-1, an inside are again provided with the inner circle taper joint 12-2 in channel, the end of outer circle taper joint and inner circle tapered joint
The end of head faces.Outer circle taper joint, inner circle taper joint opposed end are respectively arranged with and a piece of can seal in said two devices
The diaphragm seal 12-3 of access port, the diaphragm seal have elastic deformation ability (such as sheet rubber, silica gel etc.).It is connect simultaneously in outer cone
It is additionally provided with a conduction pipe 12-4 between head 12-1 and inner circle taper joint 12-2, the conduction pipe both ends are tapered, and when assembly is connected
The both ends of pipe squeeze respectively and pass through the spliced eye 12-31 that is arranged on two panels diaphragm seal and stretch to outer circle taper joint 12-1 and interior
In the channel of both cone joint 12-2, and outer circle taper joint and inner circle taper joint are led by channel set by its own inside
It is logical.And when being implemented drawing to the present invention by external strength, conduction pipe exits in the spliced eye 12-31 of two panels diaphragm seal, this
When two panels spliced eye return back to original state (spliced eye restores under the filling up of adjacent material to closed state) tapered joint to foreign round
Head and female cone street corner implement to block.
Preferably, in conjunction with shown in Fig. 5, Fig. 6, Fig. 9 and Figure 10, the end of outer circle taper joint 12-1 is provided with one for installing
First groove 12-11 of diaphragm seal, after diaphragm seal is mounted in first groove, sunken end face is in outer circle taper joint 12-1
End face, while being also fixedly installed with a large plate 12-5 in the inside of outer cone joint, the side of the large plate is pressed on close
On the end face of mounting, guarantee that diaphragm seal 12-3 can remain opposite with outer circle taper joint quiet when by external pulling capacity
Only.Being additionally provided with one at the center of large plate wears the first through hole 12-51 that 12-4 is crossed for conduction pipe simultaneously.
Preferably, in conjunction with shown in Fig. 5, Fig. 6, Fig. 9 and Figure 10, one is provided on the end of inner circle taper joint 12-2 for pacifying
The the second groove 12-21 for filling diaphragm seal, after diaphragm seal is mounted in second groove, sunken end face and inner circle taper joint
The end face of 12-2, while it being also fixedly installed with a small pressing plate 12-6 in the inside of interior cone joint, the side of the small pressing plate will be close
Mounting is pressed in the second groove, guarantees that diaphragm seal 12-3 will not be switched on pipe band when by pulling capacity from conduction pipe
Out.The second through hole 12-61 passed through for conduction pipe is additionally provided at the center of small pressing plate simultaneously.
Preferably, in conjunction with shown in Fig. 5, Fig. 6, Fig. 9 and Figure 10, on the inner wall of outer cone joint 1 it is uniformly distributed be provided with to
Few two positioning shrinkage pool 12-8, and spoke-like is provided with quantity and positioning shrinkage pool 12-8 number in the outer rim of large plate 12-5
Compatible fixed column 12-9 is measured, when needing to be installed to large plate in outer circle taper joint, only large plate need to be pressed, make positioning column
It is caught in into positioning shrinkage pool.It is also uniformly distributed on the inner wall of interior cone joint 12-2 simultaneously that be provided at least two positioning recessed
Hole 12-8, and equally circumferentially uniformly distributed in the outer rim on small pressing plate it is provided with quantity positioning compatible with positioning recess 12-8
Column 12-9, when need to be installed to small pressing plate in inner circle taper joint positioning is compressed to diaphragm seal implementation when, it is same need to only press it is small
Pressing plate 12-6 is caught in positioning column into corresponding positioning shrinkage pool.
Preferably, in conjunction with shown in Fig. 5, Fig. 6, Fig. 9 and Figure 10, in outer cone joint 12-1 towards inner circle taper joint 12-2's
Axially extending on end face to be provided with a sheath 12-7, the interior strength of the sheath is greater than the outer diameter of inner circle taper joint, when of the present invention group
Timing, inner circle taper joint can sleeve into sheath 12-7, and what conduction pipe 12-4 was then axially movable is mounted on the sheath
It is interior.Wherein in order to guarantee conduction pipe with two panels diaphragm seal be detached from after be not in be polluted because of being in contact with external substance
The case where.Conduction pipe 12-4 after being detached from outer circle taper joint its must not protrude close to one end of inner circle taper joint in sheath 12-
13 end faces.In a specific embodiment, this kind limitation conduction pipe axial movement required distance can be accomplished in several ways, preferably
, circumferential on sheath 12-7 to be provided at least two uniformly distributed limiting slot 12-71, which is the axial cloth along sheath
It sets.It is radial on the split of conduction pipe 12-4 simultaneously to be provided with quantity guide rod 12-41 compatible with limit slot number, this
The sleeve that guide rod is slidably matched realizes that the axial spacing of conduction pipe is mobile in limiting slot 12-71.Meanwhile in specific embodiment party
Can also be by being arranged stop collar band in sheath in formula, the modes such as retention bead limit the moving distance of conduction pipe.
Preferably, it in conjunction with shown in Fig. 5, Fig. 6, Fig. 9 and Figure 10, is set in limiting slot 12-71 far from one end of inner circle taper joint
It is equipped with a c-type card slot 12-72, when one end of conduction pipe 12-4 enters outer cone across the spliced eye 12-31 of diaphragm seal 12-3
When the channel of connector 1, the top guide bar 12-41 on conduction pipe is caught in into c-type card slot 12-72 simultaneously, guarantees conduction pipe not
It will not be squeezed out by diaphragm seal in the case where by external pulling capacity.It is provided with and leads on the end face of interior cone joint 12-2 simultaneously
The compatible c-type of bar buckles 12-22, when the conduction pipe 12-4 diaphragm seal being placed through on inner circle taper joint and enters to female cone
When the channel of connector 2, c-type buckle 12-22 is connected on guide rod, and the two, which is realized, to be fastened, and is equally played and is guaranteed conduction pipe not
The effect that will not be squeezed out by diaphragm seal in the case where by external pulling capacity.Simultaneously, it is preferred that in order to guarantee conduction pipe energy
Enough conduction pipes can sequentially detach outer circle taper joint 12-1 and inner circle taper joint 12-2, and c-type card slot is for guide rod 12-41's
Binding force is less than c-type buckle 12-22 for the binding force of guide rod.It is such then when the present invention is by from external pulling capacity,
Guide rod is detached from c-type card slot first under the drawing that c-type buckles, and then conduction pipe moves axially beginning far from outer cone in sheath
Connector 12-1, when conduction pipe is moved to setting position, guide rod 12-41 is limited slot and blocks not in movement, and pulling capacity continues to make
With by c-type buckle 12-22 and guide rod 12-41 disengagement and the finally disengaging of realization conduction pipe and inner circle taper joint.To reach two
Hold the effect of two way seal.
Preferably, in conjunction with shown in Fig. 5, Fig. 6, Fig. 9 and Figure 10, in order to facilitate peace of the present invention in disposable infusion device
Dress, the threaded ends of outer circle taper joint and disposable infusion device use internal thread structure, and inner circle taper joint and disposable
The threaded ends of infusion device then use external thread structure.Wherein the size of above-mentioned internal and external screw thread meets GB/
The requirement of T1962.2.
Claims (10)
1. a kind of multi-functional non-PVC material infusion apparatus characterized by comprising perfusion tube is sequentially connected on perfusion tube and real
Needle for inserting bottle, dropper, flow regulator, Y type injection the dosing part, accurate filter, intravenous infusion needle being now connected to；The precision
The tongs being clamped on perfusion tube are provided between filter, intravenous infusion needle；The needle for inserting bottle sleeve is in needle for inserting bottle helmet
In, for the needle body sleeve of the intravenous infusion needle in transfusion needle helmet, the perfusion tube is the thermoplastic elastomehc without containing plasticizer
Property body material.
2. a kind of multi-functional non-PVC material infusion apparatus as described in claim 1, it is characterised in that: the needle for inserting bottle includes needle
Body is provided with the transom window plug of the intracorporal inlet channel opening and closing of control needle on needle body, is interference fitted between the needle body and transom window plug
Sealed connection, the transom window plug be PE material.
3. a kind of multi-functional non-PVC material infusion apparatus as claimed in claim 2, it is characterised in that: the transom window plug includes: PE
Connecting column, the sealing cover of material, the connecting column include linkage section, seal section, and barrier is provided on the end face of the seal section
Plate is provided with the transom window hole being connected with the air flue in connecting column on the baffler；The sealing cover side is provided with blocking
Head；When sealing, the sleeve of the blocking head interference fit is in the transom window hole.
4. a kind of multi-functional non-PVC material infusion apparatus as claimed in claim 3, it is characterised in that: the blocking head is far from close
Capping one end is provided with expansion head in the shape of a trumpet, sealing cooperation and the expansion head of the expansion head and the interference of transom window hole
Front end be pierced by the transom window hole to baffler close to connecting column side.
5. a kind of multi-functional non-PVC material infusion apparatus as described in claim 1, it is characterised in that: the dropper is BS plastics
Material, the interior setting prevention bubble of the drop bottle enter the gas barrier of perfusion tube.
6. a kind of multi-functional non-PVC material infusion apparatus as described in claim 1, it is characterised in that: the flow regulator and Y
It is provided with delicate flow control system between type injection dosing part, the delicate flow control system connection is connected on perfusion tube
On.
7. a kind of multi-functional non-PVC material infusion apparatus as described in claim 1 to 6 any one, it is characterised in that: the essence
It is provided with two-way hemostasis between close filter and intravenous infusion needle and stops liquid safety device, the two-way hemostasis stops liquid safety device connection
Logical is connected on the perfusion tube.
8. a kind of multi-functional non-PVC material infusion apparatus as claimed in claim 7, it is characterised in that: the diaphragm seal it is recessed in
The end of the outer circle taper joint, the outer cone fitting end are additionally provided with large plate, and the large plate presses on described close
On the end face of mounting, large plate is provided centrally with the first through hole passed through for the conduction pipe.
9. a kind of multi-functional non-PVC material infusion apparatus as claimed in claim 8, it is characterised in that: the diaphragm seal it is recessed in
The end of the inner circle taper joint, the female cone fitting end are additionally provided with small pressing plate, and the small pressing plate presses on described close
On the end face of mounting, small pressing plate is provided centrally with the second through hole passed through for the conduction pipe.
10. a kind of multi-functional non-PVC material infusion apparatus as claimed in claim 7, it is characterised in that: outer circle taper joint face
One end of inside cone joint is provided with the sheath for the insertion of inner circle taper joint, and the conduction pipe axial movement is set to institute
It states in sheath, the conduction pipe is detached from after outer circle taper joint and does not protrude from the sheath end close to one end that inner circle taper joint assembles
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455241.8A CN110075382B (en) | 2019-05-29 | Multifunctional non-PVC material transfusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455241.8A CN110075382B (en) | 2019-05-29 | Multifunctional non-PVC material transfusion system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110075382A true CN110075382A (en) | 2019-08-02 |
| CN110075382B CN110075382B (en) | 2024-04-19 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153746B (en) * | 2022-06-21 | 2023-06-02 | 上海玮琅医疗科技有限公司 | Catheter adapter |
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