CN105879145A - Diaphragm type infusion connector - Google Patents
Diaphragm type infusion connector Download PDFInfo
- Publication number
- CN105879145A CN105879145A CN201610208291.2A CN201610208291A CN105879145A CN 105879145 A CN105879145 A CN 105879145A CN 201610208291 A CN201610208291 A CN 201610208291A CN 105879145 A CN105879145 A CN 105879145A
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- barrier film
- infusion connector
- liquid
- transport pipe
- 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
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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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
-
- 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
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M2039/0036—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use characterised by a septum having particular features, e.g. having venting channels or being made from antimicrobial or self-lubricating elastomer
- A61M2039/0072—Means for increasing tightness of the septum, e.g. compression rings, special materials, special constructions
-
- 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
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
- A61M2039/0633—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof the seal being a passive seal made of a resilient material with or without an opening
- A61M2039/066—Septum-like element
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Pulmonology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a diaphragm type infusion connector. The diaphragm type infusion connector is characterized in that a first diaphragm is arranged in a first connecting part; a second diaphragm is arranged in a second connecting part; when the first connecting part is sheathed to the second connecting part, the first diaphragm and the second diaphragm are matched to form a diaphragm which is used for completely sealing an infusion pipeline of the diaphragm type infusion connector; when the infusion is finished, an operator only needs to commonly use a pipe flushing liquid, plug out an external infusion connector, and sheath the first connecting part to the second connecting part, the first diaphragm and the second diaphragm are matched to completely seal the infusion pipeline, and the positive pressure is automatically produced in the diaphragm type infusion connector, so that the sealing of a pipe via positive pressure by the pipe sealing liquid and the use of a hemostatic clip are not needed, the negative pressure produced by the plugging-out of the external infusion connector is effectively eliminated, and the effective positive pressure is formed in the infusion pipeline. The diaphragm type infusion connector has the advantages that the structure is simple, the operation is simple and convenient, and the blockage of the pipe by a remaining needle is effectively prevented.
Description
Technical field
The present invention relates to medical instruments field, especially relate to a kind of separation membrane infusion connector.
Background technology
Traditional closed transfusion joint is in use, need to use tube-sealing solution positive pressure tube sealing, simultaneously need to hemostatic clamp finished by folder, could effectively prevent the negative pressure (when infusion connector is completely screwed into, shared volume is about 0.3ml) in remaining needle tube chamber that infusion connector causes when screwing out and puncture vessel chamber, effectively prevention venous detaining needle blood back or the generation of plugging.But need two additional step, i.e. positive pressure tube sealing when operation and close hemostatic clamp, operating comparatively laborious.The compliance of nurse is poor clinically, misses any of which step and all may cause the generation of remaining needle plugging.
Summary of the invention
Based on this, it is necessary to provide a kind of simple in construction, separation membrane infusion connector easy and simple to handle.
A kind of separation membrane infusion connector, is provided with the first connecting portion and second connecting portion of liquid-transport pipe-line including inside；One end of described first connecting portion and the one end fits nested encryptions of described second connecting portion, the other end of described first connecting portion is the external connection end for being connected with external infusion connector, and the other end of described second connecting portion is that the remaining needle for being connected with indwelling needle tubing connects end；It is provided with the first barrier film in the liquid-transport pipe-line of described first connecting portion, described first membrane portions separates the liquid-transport pipe-line of described first connecting portion, it is provided with the second barrier film in the liquid-transport pipe-line of described second connecting portion, described second membrane portions separates the liquid-transport pipe-line of described second connecting portion, when described first connecting portion packs into described second connecting portion, described first barrier film can coordinate the barrier film constituting completely enclosed described liquid-transport pipe-line with described second barrier film.
Wherein in an embodiment, the sealing mantle that described separation membrane infusion connector also includes being set on described first connecting portion and described second connecting portion and two ends are tightly connected with described first connecting portion and described second connecting portion respectively, described sealing mantle packs into described second connecting portion at described first connecting portion or overlaps and encases the part being connected for cooperating of described first connecting portion and described second connecting portion from Shi Junneng.
Wherein in an embodiment, described first connecting portion is threadeded with described second connecting portion, when described first connecting portion screws with described second connecting portion screw thread, described first barrier film can coordinate the barrier film constituting completely enclosed described liquid-transport pipe-line with described second barrier film.
Described sealing mantle all can encase the part being connected for cooperating of described first connecting portion and described second connecting portion when described first connecting portion screws with described second connecting portion screw thread or unscrews.
Wherein in an embodiment, described first connecting portion has internal thread, and described second connecting portion has external screw thread, and described first connecting portion is connected with the external screw thread matching thread of described second connecting portion by its internal thread.
Wherein in an embodiment, described first connecting portion is provided with the part of described internal thread and is being tightly connected with one end of described sealing mantle near the end of described external connection end；Described second connecting portion is provided with the described externally threaded part other end in the end and described sealing mantle that connect end near described remaining needle and is tightly connected.
Wherein in an embodiment, described first connecting portion is provided with the part of described internal thread and is provided with described first barrier film in the end near described external connection end；Described second connecting portion is provided with described externally threaded part and is provided with described second barrier film in the end connecting end away from described remaining needle.
Wherein in an embodiment, described first barrier film and the shape complementarity of described second barrier film, described first barrier film can coordinate the shape that composition is consistent with the cross sectional shape of described liquid-transport pipe-line with described second barrier film.
Wherein in an embodiment, described first barrier film includes two symmetrically arranged 1/4 circular diaphragm in described liquid-transport pipe-line, and described second barrier film also includes two symmetrically arranged 1/4 circular diaphragm in described liquid-transport pipe-line.
Wherein in an embodiment, pack between described first connecting portion and described second connecting portion or overlap from stroke be 5mm.
Wherein in an embodiment, the remaining needle of described second connecting portion connects end and has the internal thread for being connected with indwelling needle tubing.
nullIt is provided with the first barrier film in first connecting portion of above-mentioned separation membrane infusion connector，Second connecting portion is provided with the second barrier film，And when the first connecting portion packs into the second connecting portion，First barrier film and the second barrier film can coordinate the barrier film of the liquid-transport pipe-line constituting this separation membrane infusion connector completely enclosed，Thus at the end of transfusion，Operator extracts external infusion connector after only needing conventional use washing pipe liquid，Then the first connecting portion is packed into the second connecting portion，The first barrier film and the second membrane engagement is made to completely enclose liquid-transport pipe-line，Now，Malleation can be automatically generated in this separation membrane infusion connector，The source of malleation is the malleation that the first connecting portion extrudes that when the second connecting portion packs into liquid produces，Now need not re-use tube-sealing solution positive pressure tube sealing and use hemostatic clamp，Just can effectively eliminate the negative pressure produced when external infusion connector is extracted，And in liquid-transport pipe-line, form effective malleation.This separation membrane infusion connector simple in construction, easy and simple to handle, can effectively prevent the generation of remaining needle plugging phenomenon.
Accompanying drawing explanation
Fig. 1 is the structural representation of the separation membrane infusion connector of an embodiment；
Fig. 2 is the sectional view of line A-A along Fig. 1；
Fig. 3 is the sectional view of line B-B along Fig. 1；
Fig. 4 is the sectional view of line C-C along Fig. 1；
Fig. 5 is the structural representation of the separation membrane infusion connector in another embodiment；
Fig. 6 is the sectional view of line D-D along Fig. 5.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Accompanying drawing gives presently preferred embodiments of the present invention.But, the present invention can realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is to make the understanding to the disclosure more thorough comprehensively.
It should be noted that be referred to as " being fixed on " another element when element, it can be directly on another element or can also there is element placed in the middle.When an element is considered as " connection " another element, and it can be directly to another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein is identical with the implication that the those skilled in the art belonging to the present invention are generally understood that with scientific terminology.The term used the most in the description of the invention is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the present invention.Term as used herein "and/or" includes the arbitrary and all of combination of one or more relevant Listed Items.
Incorporated by reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the separation membrane infusion connector 100 of an embodiment includes first connecting portion the 110, second connecting portion 120 and seals mantle 130.
The inside of the first connecting portion 110 and the second connecting portion 120 is provided with liquid-transport pipe-line.One end of first connecting portion 110 and the one end fits nested encryptions of the second connecting portion 120.Concrete, in the present embodiment, threaded between this first connecting portion 110 with the second connecting portion 120.Wherein, one end of the first connecting portion 110 has internal thread, and one end of the second connecting portion 120 has external screw thread.First connecting portion 110 is connected by the external screw thread matching thread of its internal thread and the second connecting portion 120.
nullIt is appreciated that，In other embodiments，It is not limited to threaded between first connecting portion 110 with the second connecting portion 120，The mode of other nested encryptions can also be used，As the first connecting portion 110 is set on the second connecting portion 120，First connecting portion 110 is provided with guide groove and stopper slot (guide groove and stopper slot are not through the duct wall of liquid-transport pipe-line) at the inwall of liquid-transport pipe-line，Axially arranged along liquid-transport pipe-line of guide groove，Stopper slot be located at the two ends of guide groove formed respectively spacing and with guide groove vertical connection，Second connecting portion 120 is provided with the spacing preiection matched with this guide groove with stopper slot，Matched with guide groove and stopper slot by this spacing preiection realize the first connecting portion 110 and the second connecting portion 120 pack into (relative second connecting portion 120 of the i.e. first connecting portion 110 is close)、Overlap from (relative second connecting portion 120 of the i.e. first connecting portion 110 away from) and/or clamping.
The other end of the first connecting portion 110 is the external connection end for being connected with external infusion connector.This external connection end can be Design of Screw Thread, and such as external screw thread or internal thread, the i.e. first connecting portion 110 is threadeded by the internal thread of this external screw thread with external infusion connector.As shown in Figure 5 and Figure 6, in another embodiment, this external connection end can be directly connected to calparine cap 211, to be connected with external pin type infusion connector.Separation membrane infusion connector 200 in example shown in Fig. 5 and Fig. 6 includes first connecting portion the 210, second connecting portion 220 and seals mantle 230.
The other end of the second connecting portion 120 is that the remaining needle for being connected with indwelling needle tubing connects end.This remaining needle connects end and has the internal thread for being connected with indwelling needle tubing.
The first barrier film 112 it is provided with in the liquid-transport pipe-line of the first connecting portion 110.The liquid-transport pipe-line of first barrier film 112 spaced-apart the first connecting portion 110.The second barrier film 122 it is provided with in the liquid-transport pipe-line of the second connecting portion 120.The liquid-transport pipe-line of second barrier film 122 spaced-apart the second connecting portion 120.When the first connecting portion 110 packs into the second connecting portion 120, the first barrier film 112 can coordinate the barrier film constituting completely enclosed liquid-transport pipe-line with the second barrier film 122.
Concrete, in the present embodiment, the first connecting portion 110 sets female part and is provided with the first barrier film 112 in the end near external connection end.Second connecting portion 120 is provided with externally threaded part and is provided with the second barrier film 122 in the end connecting end away from remaining needle.When the first connecting portion 110 and the second connecting portion 120 screw thread screw, the first barrier film 112 can coordinate the barrier film abutting and constituting completely enclosed liquid-transport pipe-line with the second barrier film 122；When the first connecting portion 110 and the second connecting portion 120 screw thread unscrew, the first barrier film 112 separates with the second barrier film 122 so that liquid-transport pipe-line turns on.
The first barrier film 112 and shape complementarity of the second barrier film 122 in the present embodiment.First barrier film 112 can coordinate the shape that composition is consistent with the cross sectional shape of liquid-transport pipe-line with the second barrier film 122.As the first barrier film 112 can include but not limited to two symmetrically arranged 1/4 circular diaphragm in liquid-transport pipe-line, the second barrier film 122 can also include but not limited to two symmetrically arranged 1/4 circular diaphragm in liquid-transport pipe-line.
It is understood that in other embodiments, the shape of the first barrier film 112 and the second barrier film 122 is also not necessarily limited to complementation, and after the first barrier film 112 abuts with the second barrier film 122 cooperation, the two can also overlap, and has seal isolation effect the most too.
Further, in the present embodiment, the first connecting portion 110 and the second connecting portion 120 are under normal state, and routine can have but be not limited to the combination of 5mm, to guarantee the cylindrical appearance of this separation membrane infusion connector 100.When the conventional tube sealing of needs or transfusion, pack between first connecting portion 110 and the second connecting portion 120 or overlap from stroke can be but be not limited to 5mm, i.e. after transfusion terminates, first connecting portion 110 can be packed into 5mm to the second connecting portion 120, now, first barrier film 112 and the second barrier film 122 abut against and the fully mated barrier film constituting closing liquid-transport pipe-line, when needs are infused, first connecting portion 110 can be overlapped from 5mm to the second connecting portion 120 to be separated with the second barrier film 122 by the first barrier film 112, liquid-transport pipe-line turns on, and can be normally carried out transfusion.
Seal mantle 130 to be set on the first connecting portion 110 and the second connecting portion 120.The two ends sealing mantle 130 are tightly connected with the first connecting portion 110 and the second connecting portion 120 respectively.Seal mantle 130 to pack into the second connecting portion 120 at the first connecting portion 110 or overlap and encase the part being connected for cooperating of the first connecting portion 110 and the second connecting portion 120 from Shi Junneng.
Concrete, in the present embodiment, first connecting portion 110 sets female part and is being tightly connected near the end of external connection end and the one end sealing mantle 130, second connecting portion 120 is provided with externally threaded part and is tightly connected with the other end sealing mantle 130 in the end connecting end near remaining needle, the most i.e. seals mantle 130 and all can encase the part being connected for cooperating of the first connecting portion 110 and the second connecting portion 120 when the first connecting portion 110 screws with the second connecting portion 120 screw thread or unscrews.
Seal mantle 130 and preferably employ the soft set of PVC that thickness is 0.2mm.Seal loose parcel the first connecting portion 110 of mantle 130 and the second connecting portion 120, it is ensured that the first connecting portion 110 is in airtight sterilized space for the part being connected that cooperates all the time with the second connecting portion 120, prevents from polluting.Seal mantle 130 and be preferably able to surround the cylindrical structure of maximum gauge 15mm, length 18mm, the maximum outside diameter 9.2mm of the separation membrane infusion connector 100 of the present embodiment relatively, internal diameter 8.4mm and the first connecting portion 110 and the maximum spacing 15mm of the second connecting portion 120 internal and external threads, it is ensured that seal mantle 130 and encase the first connecting portion 110 and interconnective part of the second connecting portion 120 all the time.
It is understood that in other embodiments, this separation membrane infusion connector 100 can also not contain this sealing mantle 130, and corresponding separation membrane infusion connector 100 can be applied in aseptic, ultra-clean medical environment.
nullIt is provided with the first barrier film 112 in first connecting portion 110 of above-mentioned separation membrane infusion connector 100，Second connecting portion 120 is provided with the second barrier film 122，And when the first connecting portion 110 packs into the second connecting portion 120，First barrier film 112 can coordinate the barrier film of the liquid-transport pipe-line constituting this separation membrane infusion connector 100 completely enclosed with the second barrier film 122，Thus at the end of transfusion，Operator extracts external infusion connector after only needing the conventional use washing pipe liquid such as physiological saline or heparin，Then the first connecting portion 110 is packed into the second connecting portion 120，As packed into 5mm，The first barrier film 112 is made to coordinate completely enclosed liquid-transport pipe-line with the second barrier film 122，Now，Malleation can be automatically generated in this separation membrane infusion connector 100，The source of malleation be the first connecting portion 110 extrude when the second connecting portion 120 packs into liquid produce malleation (size of pressure is long 5mm、The malleation of the cylindrical volume of diameter 8.4mm)，Now need not re-use tube-sealing solution positive pressure tube sealing and use hemostatic clamp，Just can effectively eliminate the negative pressure produced when external infusion connector is extracted，And in liquid-transport pipe-line, form effective malleation.When needs are infused, as long as operator by the first connecting portion 110 to the second connecting portion 120 overlap from, if set is from 5mm, the first barrier film 112 is made to separate with the second barrier film 122, liquid-transport pipe-line turns on, now, can form the negative pressure (size of pressure be long 5mm, the negative pressure of the cylindrical volume of diameter 8.4mm) of equivalent in liquid-transport pipe-line, negative pressure can automatically cause endovascular blood to reflux (" blood back " the most clinically) after producing.The generation of " blood back " can be explicitly indicated this indwelling needle tubing of operator still at Ink vessel transfusing, thus operator need not judge that whether this indwelling needle tubing is at Ink vessel transfusing by methods such as pumpback blood or preliminary filling physiological saline again, can effectively reduce the loaded down with trivial details monitoring of operator, it is effectively improved operating efficiency, reduces the waste of consumptive material.
This separation membrane infusion connector 100 simple in construction, easy and simple to handle, can effectively prevent the generation of remaining needle plugging phenomenon.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a separation membrane infusion connector, it is characterised in that include that inside is provided with the first connecting portion and second connecting portion of liquid-transport pipe-line；One end of described first connecting portion and the one end fits nested encryptions of described second connecting portion, the other end of described first connecting portion is the external connection end for being connected with external infusion connector, and the other end of described second connecting portion is that the remaining needle for being connected with indwelling needle tubing connects end；It is provided with the first barrier film in the liquid-transport pipe-line of described first connecting portion, described first membrane portions separates the liquid-transport pipe-line of described first connecting portion, it is provided with the second barrier film in the liquid-transport pipe-line of described second connecting portion, described second membrane portions separates the liquid-transport pipe-line of described second connecting portion, when described first connecting portion packs into described second connecting portion, described first barrier film can coordinate the barrier film constituting completely enclosed described liquid-transport pipe-line with described second barrier film.
2. separation membrane infusion connector as claimed in claim 1, it is characterized in that, also including being set on described first connecting portion and described second connecting portion and sealing mantle that two ends are tightly connected with described first connecting portion and described second connecting portion respectively, described sealing mantle packs into described second connecting portion at described first connecting portion or overlaps and encases the part being connected for cooperating of described first connecting portion and described second connecting portion from Shi Junneng.
3. separation membrane infusion connector as claimed in claim 2, it is characterized in that, described first connecting portion is threadeded with described second connecting portion, when described first connecting portion screws with described second connecting portion screw thread, described first barrier film can coordinate the barrier film constituting completely enclosed described liquid-transport pipe-line with described second barrier film.
Described sealing mantle all can encase the part being connected for cooperating of described first connecting portion and described second connecting portion when described first connecting portion screws with described second connecting portion screw thread or unscrews.
4. separation membrane infusion connector as claimed in claim 3, it is characterised in that described first connecting portion has internal thread, and described second connecting portion has external screw thread, and described first connecting portion is connected with the external screw thread matching thread of described second connecting portion by its internal thread.
5. separation membrane infusion connector as claimed in claim 4, it is characterised in that described first connecting portion is provided with the part of described internal thread and is being tightly connected with one end of described sealing mantle near the end of described external connection end；Described second connecting portion is provided with the described externally threaded part other end in the end and described sealing mantle that connect end near described remaining needle and is tightly connected.
6. separation membrane infusion connector as claimed in claim 4, it is characterised in that described first connecting portion is provided with the part of described internal thread and is provided with described first barrier film in the end near described external connection end；Described second connecting portion is provided with described externally threaded part and is provided with described second barrier film in the end connecting end away from described remaining needle.
7. the separation membrane infusion connector as according to any one of claim 1～6, it is characterized in that, described first barrier film and the shape complementarity of described second barrier film, described first barrier film can coordinate the shape that composition is consistent with the cross sectional shape of described liquid-transport pipe-line with described second barrier film.
8. separation membrane infusion connector as claimed in claim 7, it is characterized in that, described first barrier film includes two symmetrically arranged 1/4 circular diaphragm in described liquid-transport pipe-line, and described second barrier film also includes two symmetrically arranged 1/4 circular diaphragm in described liquid-transport pipe-line.
9. the separation membrane infusion connector as according to any one of claim 1～6, it is characterised in that pack between described first connecting portion and described second connecting portion or overlap from stroke be 5mm.
10. the separation membrane infusion connector as according to any one of claim 1～6, it is characterised in that the remaining needle of described second connecting portion connects end and has the internal thread for being connected with indwelling needle tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610208291.2A CN105879145B (en) | 2016-04-01 | 2016-04-01 | Separation membrane infusion connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610208291.2A CN105879145B (en) | 2016-04-01 | 2016-04-01 | Separation membrane infusion connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105879145A true CN105879145A (en) | 2016-08-24 |
| CN105879145B CN105879145B (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610208291.2A Active CN105879145B (en) | 2016-04-01 | 2016-04-01 | Separation membrane infusion connector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023173808A1 (en) * | 2021-09-10 | 2023-09-21 | 邓三明 | Pressure conversion device and infusion connection joint |
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| US6086570A (en) * | 1998-09-29 | 2000-07-11 | A-Med Systems, Inc. | Hemostasis valve with membranes having offset apertures |
| US20010044615A1 (en) * | 2000-05-16 | 2001-11-22 | Fuji Photo Film Co., Ltd. | Plasma collecting device |
| WO2012024624A1 (en) * | 2010-08-20 | 2012-02-23 | Py Daniel C | Connector and related method |
| EP1579888B1 (en) * | 2004-03-27 | 2014-07-16 | Frank Schmitz | Coupling for bloodbagsystems |
| US20140290770A1 (en) * | 2010-04-05 | 2014-10-02 | Dr. Py Institute, Llc | Aseptic Connector with Deflectable Ring of Concern and Method |
| US20150038919A1 (en) * | 2013-08-05 | 2015-02-05 | Cook Medical Technologies Llc | Hemostasis Mechanism And Method |
| CN104955512A (en) * | 2013-01-03 | 2015-09-30 | 英特外科股份公司 | Improvements in relation to valves |
-
2016
- 2016-04-01 CN CN201610208291.2A patent/CN105879145B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6086570A (en) * | 1998-09-29 | 2000-07-11 | A-Med Systems, Inc. | Hemostasis valve with membranes having offset apertures |
| US20010044615A1 (en) * | 2000-05-16 | 2001-11-22 | Fuji Photo Film Co., Ltd. | Plasma collecting device |
| EP1579888B1 (en) * | 2004-03-27 | 2014-07-16 | Frank Schmitz | Coupling for bloodbagsystems |
| US20140290770A1 (en) * | 2010-04-05 | 2014-10-02 | Dr. Py Institute, Llc | Aseptic Connector with Deflectable Ring of Concern and Method |
| WO2012024624A1 (en) * | 2010-08-20 | 2012-02-23 | Py Daniel C | Connector and related method |
| CN104955512A (en) * | 2013-01-03 | 2015-09-30 | 英特外科股份公司 | Improvements in relation to valves |
| US20150038919A1 (en) * | 2013-08-05 | 2015-02-05 | Cook Medical Technologies Llc | Hemostasis Mechanism And Method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023173808A1 (en) * | 2021-09-10 | 2023-09-21 | 邓三明 | Pressure conversion device and infusion connection joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105879145B (en) | 2019-06-18 |
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