CN110101941A - A kind of two-way hemostasis stops liquid safety device - Google Patents
A kind of two-way hemostasis stops liquid safety device Download PDFInfo
- Publication number
- CN110101941A CN110101941A CN201910454455.3A CN201910454455A CN110101941A CN 110101941 A CN110101941 A CN 110101941A CN 201910454455 A CN201910454455 A CN 201910454455A CN 110101941 A CN110101941 A CN 110101941A
- Authority
- CN
- China
- Prior art keywords
- circle taper
- taper joint
- joint
- safety device
- outer circle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 35
- 230000023597 hemostasis Effects 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000001802 infusion Methods 0.000 abstract description 20
- 238000001990 intravenous administration Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M2039/1038—Union screw connectors, e.g. hollow screw or sleeve having external threads
Abstract
The invention discloses a kind of two-way hemostasis to stop liquid safety device, comprising: inside and outside cone joint, including the two panels diaphragm seal including setting, in outer circle taper joint, and dismountable sleeve, the conduction pipe in outer circle taper joint.Inner circle taper joint one end in the present invention connects on the terminal fitting of infusion apparatus, and the outer circle taper joint of the other end connects on intravenous infusion needle (or remaining needle).When accident occurs for infusion, pipeline is by drawing, two-way hemostasis, which stops liquid safety device outer circle taper joint and inner circle taper joint, separates it to pulling force by opposite to each other, at this moment inner circle taper joint can hold guide pipe and separate together, when being separated to outer circle taper joint spacing place, guide pipe is separated with the diaphragm seal in outer circle taper joint, diaphragm seal closure, the closing of outer cone joint；When continuing drawing, conduction pipe is separated with diaphragm seal in inner circle taper joint, diaphragm seal closure, the closing of female cone joint, realizes patient end hemostasis, and the purpose of liquid is stopped at infusion end.
Description
Technical field
The present invention relates to a kind of medical instruments field, especially a kind of two-way hemostasis stops liquid safety device.
Background technique
Usually used disposable infusion set is all to be connected by intravenous infusion needle or remaining needle with venous patient
It connects, realizes infusion medical fluid.When being transfused medical fluid, often exist because separating infusion apparatus with patient note that pipeline drawing occurs,
Patient end blood outflow, infusion end medical fluid outflow, causes damages to patient or pollutes, liquid waste.Especially children and old man
In infusion treatment, infusion apparatus occurs and patient's disengaging situation is more serious.If old man's night is infused, nobody nurses or looks after not
Zhou Shi causes big bleeding that life danger even occurs.
Summary of the invention
The purpose of the present invention is to provide a kind of two-way only liquid that can prevent medical fluid and blood from flowing out when surprisingly freeing
Mounting device.
In order to realize the above technical effect, the technical solution of the present invention is as follows:
A kind of two-way hemostasis stops liquid safety device characterized by comprising
Outer circle taper joint；
Inner circle taper joint is oppositely arranged with the outer circle taper joint；
Two panels diaphragm seal, the end that compatible outer circle taper joint, outer circle taper joint are set of each self-sealing；
Conduction pipe, both ends are each passed through the spliced eye being arranged on two panels diaphragm seal, conducting both ends are equipped with inside the conduction pipe
Channel.
Inner circle taper joint one end that a kind of two-way hemostasis of the invention stops liquid safety device connects the terminal fitting in infusion apparatus
On, the outer circle taper joint of the other end connects on intravenous infusion needle (or remaining needle).When accident occurs for infusion, pipeline is drawn
It pulls out, two-way hemostasis, which stops liquid safety device outer circle taper joint and inner circle taper joint, separates it to pulling force by opposite to each other, at this moment inner circle
Taper joint can hold guide pipe and separate together, when being separated to outer circle taper joint spacing place, in guide pipe and outer circle taper joint
Diaphragm seal separation, diaphragm seal closure, the closing of outer cone joint；When continuing drawing, sealed in conduction pipe and inner circle taper joint
Patient end hemostasis is realized in piece separation, diaphragm seal closure, the closing of female cone joint, and the purpose of liquid is stopped at infusion end.
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, spoke-like is provided at least two fixed columns, institute in the outer rim of the large plate, small pressing plate
It states and is provided with positioning shrinkage pool compatible with the fixed column on the inner wall of outer circle taper joint and inner circle taper joint.Fixed column and fixed
The setting of position shrinkage pool can effectively simplify the installation steps of large plate, small pressing plate.
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 reply infusion.
Further, at least two limiting slots are circumferentially evenly equipped on the sheath, the limiting slot is axially arranged；It is described to lead
Guide rod compatible with the limiting slot is provided on the split of siphunculus, the sleeve that the guide rod is slidably matched is in the limit
In slot.Limiting slot and guide rod can limit conduction pipe in the stroke of outer cone joint, guarantee the connecting pin of conduction pipe in separation
Safety, while can also effectively simplify conduction pipe and outer circle taper joint cooperation needed for structure, reduce and be produced into
This, simplifies installation steps.
Further, the limiting slot is provided with c-type card slot far from inner circle taper joint one end, the c-type card slot with it is described
Guide rod is fastened and connected；The inner circle taper joint is buckled with the c-type of guide rod clamping towards being provided on the end face of conduction pipe；It is de-
When opening, the c-type card slot is less than the binding force of guide rod the binding force of c-type buckle and guide rod.The type of attachment of buckle structure
Can effectively ensure that a kind of two-way hemostasis of the invention in the case where not by external force stops liquid safety device is not in separation
Phenomenon, while can also guarantee that sequence separates in the case where being subject to external force, preferably achieve the effect that two way seal.
Further, the threaded ends of the outer circle taper joint are female connection structure, the inner circle taper joint
Threaded ends are external screw thread connection structure.Helicitic texture can guarantee that a kind of two-way hemostasis of the present invention stops the installation of liquid safety device
Convenience on disposable infusion device.
Detailed description of the invention
Fig. 1 is that a kind of two-way hemostasis stops diagrammatic cross-section when liquid safety device is assembled together；
Fig. 2 is that a kind of two-way hemostasis stops outside schematic diagram when liquid safety device is assembled together；
Fig. 3 is that a kind of two-way hemostasis stops liquid safety device use state diagram；
Fig. 4 is that a kind of two-way hemostasis stops liquid safety device disengaged condition schematic diagram；
Fig. 5 is that a kind of two-way hemostasis stops the diagrammatic cross-section after liquid safety device disengages；
Fig. 6 is that a kind of two-way hemostasis stops the outside schematic diagram after liquid safety device disengages.
Appended drawing reference: 1. 11. first groove of outer circle taper joint, 2. inner circle taper joint, 21. second groove 22.C type buckle
3. the small pressing plate 61. second of 5. large plate of diaphragm seal 31. spliced eye, 4. conduction pipe, 41. guide rod, 51. first through hole 6. is logical
7. sheath of via hole, 71. limiting slot 72.C type card slot 8. positions 9. fixed column of shrinkage pool.
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.
Stop liquid safety device in conjunction with Fig. 1, a kind of two-way hemostasis shown in Fig. 4, comprising: an inside is equipped with the outer circle in channel
Taper joint 1, an inside are again provided with the inner circle taper joint 2 in channel, the end of outer circle taper joint and the end of inner circle taper joint
It faces.Outer circle taper joint, inner circle taper joint opposed end, which are respectively arranged with, a piece of can seal access port in said two devices
Diaphragm seal 3, the diaphragm seal have elastic deformation ability (such as sheet rubber, silica gel etc.).Simultaneously in outer cone joint 1 and female cone
A conduction pipe 4 is additionally provided between connector 2, the conduction pipe both ends are tapered, and the both ends of conduction pipe squeeze and wear respectively when assembly
It crosses the spliced eye 31 being arranged on two panels diaphragm seal and stretches in the channel of both outer circle taper joint 1 and inner circle taper joint 2, and lead to
It crosses channel set by its own inside and outer circle taper joint is connected with inner circle taper joint.And when real to the present invention by external strength
When applying drawing, conduction pipe is exited in the spliced eye 31 of two panels diaphragm seal, and two panels spliced eye returns back to original state (spliced eye at this time
Closed state is returned back under the filling up of adjacent material) externally cone joint and female cone street corner implement to block.
A kind of two-way hemostasis of the present invention stop liquid safety device further improvement lies in that, the end setting of outer circle taper joint 1
Have one for installing the first groove 11 of diaphragm seal, after diaphragm seal is mounted in first groove, sunken end face is in outer circle
The end face of taper joint 1, while it being also fixedly installed with a large plate 5 in the inside of outer cone joint, the side of the large plate compresses
On the end face of diaphragm seal, guarantee that diaphragm seal 3 can remain opposite with outer circle taper joint quiet when by external pulling capacity
Only.One, which is additionally provided with, at the center of large plate simultaneously wears 4 the first through holes 51 crossed for conduction pipe.
A kind of two-way hemostasis of the present invention stop liquid safety device further improvement lies in that, set on the end of inner circle taper joint 2
One is equipped with for installing the second groove 21 of diaphragm seal, after diaphragm seal is mounted in second groove, sunken end face with it is interior
The end face of cone joint 2, while it being also fixedly installed with a small pressing plate 6 in the inside of interior cone joint, the side of the small pressing plate will
Diaphragm seal is pressed in the second groove, guarantees that diaphragm seal 3 will not be switched on pipe when by pulling capacity from conduction pipe and take out of.
Second through hole 61 passed through for conduction pipe is additionally provided at the center of small pressing plate simultaneously.
A kind of two-way hemostasis of the present invention stop liquid safety device further improvement lies in that, on the inner wall of outer cone joint 1
Uniformly distributed is provided at least two positioning shrinkage pools 8, and in the outer rim of large plate 5 in spoke-like be provided with quantity with positioning it is recessed
8 quantity of hole compatible fixed column 9 when needing to be installed to large plate in outer circle taper joint, only need to press large plate, make to position
Column is caught in into positioning shrinkage pool.It is also uniformly distributed on the inner wall of interior cone joint 2 simultaneously that be provided at least two positioning recessed
Hole 8, and it is equally circumferentially uniformly distributed in the outer rim on small pressing plate be provided with quantity positioning column 9 compatible with positioning recess 8, when
It needs for small pressing plate to be installed to when compressing positioning to diaphragm seal implementation in inner circle taper joint, same only to press small pressing plate 6, it is fixed to make
Position column is caught in into corresponding positioning shrinkage pool.
A kind of two-way hemostasis of the present invention stop liquid safety device further improvement lies in that, in outer cone joint 1 towards inner circle
Axially extending on the end face of taper joint 2 to be provided with a sheath 7, the interior strength of the sheath is greater than the outer diameter of inner circle taper joint, when this
Invention group timing, inner circle taper joint can sleeve into the sheath 7, and what conduction pipe 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 4 after being detached from outer circle taper joint its must not protrude close to one end of inner circle taper joint in 13 end face of sheath.
In a specific embodiment, this kind limitation conduction pipe axial movement required distance can be accomplished in several ways, it is preferred that protected
Circumferential on set 7 to be provided at least two uniformly distributed limiting slots 71, which is to arrange along the axial direction of sheath.It is being connected simultaneously
It is radial on the split of pipe 4 to be provided with quantity guide rod 41 compatible with limit slot number, the sleeve which is slidably matched
In limiting slot 71, realize that the axial spacing of conduction pipe is mobile.Meanwhile it in a specific embodiment can also be by being set in sheath
Set stop collar band, the modes such as retention bead limit the moving distance of conduction pipe.
A kind of two-way hemostasis of the present invention stop liquid safety device further improvement lies in that, in limiting slot 71 far from inner circle tapered joint
One end of head is provided with a c-type card slot 72, enters outer circle tapered joint when one end of conduction pipe 4 passes through the spliced eye 31 of diaphragm seal 3
When first 1 channel, the top guide bar 41 on conduction pipe is caught in into the c-type card slot 72 simultaneously, guarantees conduction pipe not by outside
It will not be squeezed out by diaphragm seal in the case where pulling capacity.C compatible with guide rod is provided on the end face of interior cone joint 2 simultaneously
Type buckle 22, when the diaphragm seal that conduction pipe 4 is placed through on inner circle taper joint and when entering to the channel of inner circle taper joint 2, the C
Type buckle 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 by external pulling capacity the case where
The effect that will not be squeezed out by diaphragm seal down.Simultaneously, it is preferred that in order to guarantee conduction pipe can conduction pipe being capable of sequentially de-
Outer circle taper joint 1 and inner circle taper joint 2 are separated out, c-type card slot is less than c-type buckle 22 for guide rod for the binding force of guide rod 41
Binding force.It is such then when the present invention is by from external pulling capacity, guide rod is detached from c-type under the drawing that c-type buckles first
Card slot, then conduction pipe moves axially the separate outer circle taper joint 1 of beginning in sheath, when conduction pipe is moved to setting position,
Guide rod 41 is limited slot and blocks not in movement, and pulling capacity continues to act on, and c-type buckle 22 is disengaged with guide rod 41 and finally realized and is led
The disengaging of siphunculus and inner circle taper joint.To achieve the effect that both ends two way seal.
A kind of two-way hemostasis of the present invention stop liquid safety device further improvement lies in that, the present invention is disposable for convenience
The threaded ends of installation in infusion device, outer circle taper joint and disposable infusion device use internal thread structure, and inner circle
The threaded ends of taper joint and disposable infusion device then use external thread structure.The wherein size of above-mentioned internal and external screw thread
Meet the requirement of GB/T1962.2.
Claims (8)
1. a kind of two-way hemostasis stops liquid safety device characterized by comprising
Outer circle taper joint；
Inner circle taper joint is oppositely arranged with the outer circle taper joint；
Two panels diaphragm seal, the end that compatible outer circle taper joint, outer circle taper joint are set of each self-sealing；
Conduction pipe, both ends are each passed through the spliced eye being arranged on two panels diaphragm seal, conducting both ends are equipped with inside the conduction pipe
Channel.
2. a kind of two-way hemostasis as described in claim 1 stops liquid safety device, it is characterised in that: the diaphragm seal is recessed in institute
The end of outer circle taper joint is stated, the outer cone fitting end is additionally provided with large plate, and the large plate presses on the sealing
On the end face of piece, large plate is provided centrally with the first through hole passed through for the conduction pipe.
3. a kind of two-way hemostasis as claimed in claim 2 stops liquid safety device, it is characterised in that: the diaphragm seal is recessed in institute
The end of inner circle taper joint is stated, the female cone fitting end is additionally provided with small pressing plate, and the small pressing plate presses on the sealing
On the end face of piece, small pressing plate is provided centrally with the second through hole passed through for the conduction pipe.
4. a kind of two-way hemostasis as claimed in claim 3 stops liquid safety device, it is characterised in that: the large plate, small pressing plate
Outer rim on spoke-like is provided at least two fixed columns, set on the inner wall of the outer circle taper joint and inner circle taper joint
It is equipped with positioning shrinkage pool compatible with the fixed column.
5. a kind of two-way hemostasis as described in claim 1 stops liquid safety device, it is characterised in that: the outer circle taper joint towards
The sheath that one end of inner circle taper joint is provided with for the insertion of inner circle taper joint, being set to for the conduction pipe axial movement are described
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.
6. a kind of two-way hemostasis as claimed in claim 5 stops liquid safety device, it is characterised in that: circumferentially uniformly distributed on the sheath
There are at least two limiting slots, the limiting slot is axially arranged；It is provided on the split of the conduction pipe and the limiting slot phase
The guide rod of adaptation, the sleeve that the guide rod is slidably matched is in the limiting slot.
7. a kind of two-way hemostasis as claimed in claim 6 stops liquid safety device, it is characterised in that: the limiting slot is far from inner circle
Taper joint one end is provided with c-type card slot, and the c-type card slot is fastened and connected with the guide rod；The inner circle taper joint direction conducting
It is provided on the end face of pipe and is buckled with the c-type of guide rod clamping；When disengagement, the c-type card slot is small for the binding force of guide rod
In the binding force of c-type buckle and guide rod.
8. a kind of two-way hemostasis as described in claim 1 stops liquid safety device, it is characterised in that: the spiral shell of the outer circle taper joint
Line connecting pin is female connection structure, and the threaded ends of the inner circle taper joint are external screw thread connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910454455.3A CN110101941B (en) | 2019-05-29 | 2019-05-29 | Bidirectional hemostatic and liquid-stopping safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910454455.3A CN110101941B (en) | 2019-05-29 | 2019-05-29 | Bidirectional hemostatic and liquid-stopping safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110101941A true CN110101941A (en) | 2019-08-09 |
| CN110101941B CN110101941B (en) | 2024-01-30 |
Family
ID=67492810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910454455.3A Active CN110101941B (en) | 2019-05-29 | 2019-05-29 | Bidirectional hemostatic and liquid-stopping safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110101941B (en) |
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| IT8026623A0 (en) * | 1980-01-11 | 1980-12-12 | Fresenius Chem Pharm Ind | JOINT DEVICE FOR CONNECTING CANNULAS, CATHETERS, FLEXIBLE I.V. TUBES OR SIMILAR. |
| GB9803084D0 (en) * | 1998-02-14 | 1998-04-08 | Owen Mumford Ltd | Improvements relating to medical injection devices |
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| CN108799667A (en) * | 2018-06-15 | 2018-11-13 | 中国航天员科研训练中心 | A kind of disconnection device socket, plug and the disconnection device of fluid path self sealss |
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| CN208582791U (en) * | 2017-08-07 | 2019-03-08 | 青岛浩恩医药耗材有限公司 | The polypropylene connector structure of medical Transfusion device |
| CN208693926U (en) * | 2018-05-15 | 2019-04-05 | 皖南医学院第一附属医院（皖南医学院弋矶山医院） | Transfusion needle anti-dropout warning device |
| CN210494777U (en) * | 2019-05-29 | 2020-05-12 | 浙江伏尔特医疗器械股份有限公司 | Two-way hemostasis and liquid stopping safety device |
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| IT8026623A0 (en) * | 1980-01-11 | 1980-12-12 | Fresenius Chem Pharm Ind | JOINT DEVICE FOR CONNECTING CANNULAS, CATHETERS, FLEXIBLE I.V. TUBES OR SIMILAR. |
| GB9803084D0 (en) * | 1998-02-14 | 1998-04-08 | Owen Mumford Ltd | Improvements relating to medical injection devices |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110101941B (en) | 2024-01-30 |
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