CN102389373B - Hard double interfaces with medicine mixing mouth and transfusion soft bag thereof - Google Patents
Hard double interfaces with medicine mixing mouth and transfusion soft bag thereof Download PDFInfo
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- CN102389373B CN102389373B CN 201110318584 CN201110318584A CN102389373B CN 102389373 B CN102389373 B CN 102389373B CN 201110318584 CN201110318584 CN 201110318584 CN 201110318584 A CN201110318584 A CN 201110318584A CN 102389373 B CN102389373 B CN 102389373B
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Abstract
The invention discloses hard double interfaces with a medicine mixing mouth. The hard double interfaces comprise a base, a medicine mixing clamping body, a syringe cylinder body and a medicine feeding syringe, wherein a medicine mixing interface extending out of the base is arranged on the base, and a clamping ring is arranged at the end port of the medicine mixing interface; the bottom of the medicine feeding syringe extends downwards to form a sealing plug installation cavity, and the inner wall of the syringe cylinder body is provided with a positioning ring; the syringe cylinder body is fixed on the medicine mixing interface through the positioning ring and the clamping ring; and when medicines are mixed, the medicine mixing mouth is rotated downwards, and the bottom of the syringe cylinder body penetrates through a diaphragm. The invention also discloses a transfusion soft bag. When the hard double interfaces are used, the syringe cylinder body is sleeved on the medicine mixing interface, thus the medicine mixing mouth is fixed on the medicine mixing interface; when the medicines are mixed, the medicine mixing mouth is rotated downwards, and the bottom of the medicine feeding syringe penetrates through the diaphragm, thus a medicine container in the medicine mixing mouth is communicated with the inside of the transfusion soft bag; in the use process of the hard double interfaces and the transfusion soft bag, hose connectors and easily broken handles are not adopted, thus the hose installation working positions are reduced and the weld seam liquid leakage caused by welding defects of the hose is avoided; and the hard double interfaces and the transfusion soft bag thereof have broader application ranges.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, relate in particular to a kind of hard double nip and transfusion flexible bag thereof with medicine mixing mouth.
Background technology
In clinical treating disease, often give patient infusion or by intravenous drip directly with in the infusion of medicine body, medicine often is stored in transfusion flexible bag, and the medicinal liquid in transfusion flexible bag injects or output usually by the hard double nip realization with medicine mixing mouth.
In prior art, mainly contain with the hard double nip of medicine mixing mouth and comprise pedestal, mixed medicine card, needle cylindrical unit, flexible pipe, foldable handle and medicine feeding needle.Have mixed medicine passage and an infusion channel on pedestal, mixed medicine passage extends the mixed medicine interface that pedestal forms the cylindrical hollow structure, and infusion channel is extended the infusion connector that pedestal forms the cylindrical hollow structure.Mixed medicine card is the cylindrical hollow structure, and medicine feeding needle is located in mixed medicine card, the lower surface of mixed medicine card and the sealing of medicine feeding needle outer wall, and needle cylindrical unit is positioned at the lower surface of mixed medicine card.One end of flexible pipe is enclosed within on mixed medicine interface, and with this mixed medicine interface seam, the other end of flexible pipe is enclosed within on needle cylindrical unit, and with this needle cylindrical unit seam.Foldable handle is arranged in flexible pipe, and is mainly that the passage between medicine feeding needle and mixed medicine interface is stifled disconnected, during mixed medicine, needs foldable handle is fractureed, could be with the channel connection between medicine feeding needle and mixed medicine interface.
In use mainly there is following deficiency in the hard double nip with medicine mixing mouth of said structure: when one, needle cylindrical unit is connected with mixed medicine interface, need by hose connection, one end of flexible pipe is enclosed within on mixed medicine interface, and with this mixed medicine interface seam, the other end of flexible pipe is enclosed within on needle cylindrical unit, and with this needle cylindrical unit seam, so both increased the installation station of flexible pipe, increase again the welding position, increased the probability because of welding position leakage when mixing medicine; Two, mixed medicine interface is connected with medicine mixing mouth by flexible pipe, because of the restriction of material that flexible pipe adopts, in temperature lower (as zubzero temperature), easily causes the welding position cracking of flexible pipe, and then causes mixed medicine leakage; Three, the hard double nip with medicine mixing mouth of said structure when mixed medicine interface is connected with medicine mixing mouth by flexible pipe, also need be installed foldable handle in flexible pipe.
Summary of the invention
For above shortcomings in prior art, the invention provides a kind of in use need not and adopt foldable handle and flexible pipe, avoid reducing station being installed because welding produces mixed medicine leakage, and one-time formed hard double nip with medicine mixing mouth.
Simultaneously, the present invention also provides a kind of in use need not to adopt foldable handle and flexible pipe, avoids reducing because welding produces mixed medicine leakage the transfusion flexible bag that station is installed.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme: with the hard double nip of medicine mixing mouth, comprise pedestal, mixed medicine card, needle cylindrical unit and medicine feeding needle; Have mixed medicine passage and an infusion channel on described pedestal, described mixed medicine passage extends the mixed medicine interface that pedestal forms the cylindrical hollow structure; Described medicine feeding needle is located in mixed medicine card, and described needle cylindrical unit is positioned at the lower surface of mixed medicine card;
A protruding annular boss along the circumferential direction on the outer wall of described mixed medicine interface is provided with external screw thread on this annular boss, the port outer wall of mixed medicine interface is provided with the snap ring of a loop configuration, is provided with a barrier film that is used for the sealed mixed medicine passage in mixed medicine interface;
The bottom of described medicine feeding needle forms the sealing-plug installation cavity of annular to downward-extension and with the inwall of needle cylindrical unit, is provided with ring sealing plug in described sealing-plug installation cavity; The inwall of described needle cylindrical unit along the circumferential direction is provided with locating ring, and the bottom interior wall of needle cylindrical unit is provided with female thread, and described locating ring is between sealing-plug installation cavity and female thread;
Described needle cylindrical unit is enclosed within on mixed medicine interface, and snap ring is positioned at the top of locating ring; After being rotated down mixed medicine card, the port compression ring sealing plug of mixed medicine interface, barrier film is passed in the bottom of needle cylindrical unit.
As a preferred embodiment of the present invention, described barrier film is provided with an impression on its line of symmetry.
As another kind of preferred version of the present invention, be laid with the welding lines of loop configuration on the outer wall of described pedestal.
As another preferred version of the present invention, described pedestal is the ship shape structure in the projection of its cross section, and stretches out at the two ends of the pedestal of this ship shape structure and form the thickness thin slice of attenuation gradually.
As a modification of the present invention scheme, described mixed medicine card is the cylindrical hollow structure, is symmetrically arranged with at least two and is used for preventing fixture block that medicament reservoir withdraws from and that be obliquely installed on the inwall of mixed medicine card.
Scheme as a further improvement on the present invention, the elongated end bottom of medicine feeding needle has an arcuate structure to lower convexity.
Scheme, be provided with seal cover in the upper end of mixed medicine card as a further improvement on the present invention.
As further improvement project more of the present invention, on described annular boss, cover has the cover of obstruct.
Transfusion flexible bag provided by the invention comprises transfusion flexible bag bag and the above-mentioned hard double nip with medicine mixing mouth, this with the pedestal seam on the hard double nip of medicine mixing mouth on this transfusion flexible bag bag.
The invention has the beneficial effects as follows: when using this with the hard double nip of medicine mixing mouth, with the pedestal seam on the transfusion flexible bag bag, needle cylindrical unit is enclosed within on mixed medicine interface, and the snap ring on mixed medicine interface is positioned on the locating ring of needle cylindrical unit, and needle cylindrical unit is fixed on mixed medicine interface; During mixed medicine, medicament reservoir is inserted in mixed medicine card, be rotated down and mix the medicine card, the barrier film in mixed medicine interface is exposed in the bottom of medicine feeding needle, and the medicament reservoir in mixed medicine card is communicated with the transfusion flexible bag bag is interior; This with the hard double nip of medicine mixing mouth and transfusion flexible bag thereof in use, need not to adopt hose connection and foldable handle, both reduced flexible pipe station had been installed, avoided again the weld seam leakage that brings because of the flexible pipe weld defect, and this hard double nip and transfusion flexible bag scope of application thereof with medicine mixing mouth had been wider.
Description of drawings
Fig. 1 is the front view with the hard double nip of medicine mixing mouth;
Fig. 2 is the perspective view of hard double nip pedestal;
Fig. 3 is the structural representation of medicine mixing mouth;
Fig. 4 is the structural representation of transfusion flexible bag assembling;
Fig. 5 is the structural representation of transfusion flexible bag under user mode.
In accompanying drawing: 1-pedestal; 2-mixed medicine passage; 21-mixed medicine interface; 3-infusion channel; 4-annular boss; 5-snap ring; 6-barrier film; 7-impression; 8-welding lines; 9-thin slice; 10-transfusion flexible bag bag; 11-mixed medicine card; 12-needle cylindrical unit; 13-locating ring; 14-ring sealing plug; 15-medicament reservoir; 16-medicine feeding needle; 17-fixture block; 18-seal cover.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the front view with the hard double nip of medicine mixing mouth, as shown in the figure.With the hard double nip of medicine mixing mouth, comprise pedestal 1, mixed medicine card 11, needle cylindrical unit 12 and medicine feeding needle 16.
Wherein, the structure of pedestal as shown in Figure 2.Have mixed medicine passage 2 and an infusion channel 3 on pedestal 1, mixed medicine passage 2 extends the mixed medicine interface 21 that pedestal 1 forms the cylindrical hollow structure.A protruding annular boss 4 along the circumferential direction on the outer wall of mixed medicine interface 21 is provided with external screw thread (in the present embodiment, annular boss 4 is located on the middle part excircle of mixed medicine interface 21) on this annular boss 4.The port outer wall of mixed medicine interface 21 is provided with the snap ring 5 of a loop configuration, is provided with a barrier film 6 for this mixed medicine passage 2 of sealing in mixed medicine interface 21, and the external diameter of snap ring 5 is not more than the external diameter of annular boss 4.
The structure of medicine mixing mouth as shown in Figure 3, mixed medicine card 11 be the cylindrical hollow structure, medicine feeding needle 16 is located in mixed medicine card 11, the lower surface of mixed medicine card 11 seals with medicine feeding needle 16 outer walls, needle cylindrical unit 12 is positioned at the lower surface of mixing medicine card 11.The bottom of medicine feeding needle 16 forms the sealing-plug installation cavity of annular to downward-extension and with the inwall of needle cylindrical unit 12, is provided with ring sealing plug 14 in the sealing-plug installation cavity.The inwall of needle cylindrical unit 12 along the circumferential direction is provided with locating ring 13, and the bottom interior wall of needle cylindrical unit 12 is provided with female thread, and locating ring 13 is between sealing-plug installation cavity and female thread, and the internal diameter of locating ring 13 is not more than the internal diameter of female thread.
Needle cylindrical unit 12 is enclosed within on mixed medicine interface 21, and snap ring 5 is positioned at the top of locating ring 13, after being rotated down mixed medicine card 11, and the port compression ring sealing plug 14 of mixed medicine interface 21, barrier film 6 is passed in the bottom of needle cylindrical unit 12, as shown in Figure 1.
Be laid with on the outer wall of pedestal 1 in welding lines 8(the present embodiment of loop configuration, be laid with four welding lines on the outer wall of pedestal 1).Pedestal 1 is the ship shape structure in the projection of its cross section, and stretches out at the two ends of the pedestal 1 of this ship shape structure and form the thickness thin slice 9 of attenuation gradually.During thermal weld, pedestal 1 is more firm with the bag mouth seam of transfusion flexible bag bag 10 by the welding lines 8 on it, and pedestal 1 is better with the sealing effectiveness of transfusion flexible bag bag 10; And the thin slice 9 of pedestal 1 both sides can be integrated by rapid fusion with the bag mouth of transfusion flexible bag bag 10, has both accelerated seam speed, can strengthen again the sealing effectiveness of pedestal 1 and transfusion flexible bag bag 10.
Be symmetrically arranged with at least two and be used for preventing fixture block 17 that medicament reservoir withdraws from and that be obliquely installed on the inwall of mixed medicine card 11, in the present embodiment, be symmetrically arranged with six fixture blocks on the inwall of mixed medicine card 11.Medicament reservoir 15 insert mixed medicine card 11 interior after, medicament reservoir covers the inhibition at fixture block 17, can effectively avoid medicament reservoir to withdraw from mixed medicine card 11.
Have an arcuate structure to lower convexity bottom the elongated end of medicine feeding needle 16, when mixed medicine, the easier barrier films 6 that will mix in medicine interface 21 of this arcuate structure to lower convexity are exposed.Upper end in mixed medicine card 11 is provided with seal cover 18, before use, seal cover 18 makes mixed medicine card 11, be positioned at the medicine feeding needle 16 of mixed medicine card 11 and the needle cylindrical unit 12 of mixed medicine card 11 bottoms is in sealing state, makes to mix medicine card 11, medicine feeding needle 16 and needle cylindrical unit 12 and have before use good cleannes; During use, remove seal cover 18 and can use, both convenient, the cleannes that can guarantee again to mix medicine card 11, medicine feeding needle 16 and needle cylindrical unit 12.
On annular boss 4, cover has the cover of obstruct, needle cylindrical unit 12 is enclosed within on mixed medicine interface 21, snap ring 5 on mixed medicine interface 21 is positioned at the top of the locating ring 13 of needle cylindrical unit 12, and to have stoped needle cylindrical unit 12 to continue on mixed medicine interface 21 descending because intercepting cover, and needle cylindrical unit 12 is fixed on and mixes on medicine interface 21 at this moment; During mixed medicine, only need to intercept cover and tear from annular boss 4, be rotated down needle cylindrical unit 12, barrier film 6 is exposed in the bottom of medicine feeding needle 16, just can realize mixed medicine.
When assembling this transfusion flexible bag, as shown in Figure 4, pedestal 1 seam on the bag mouth of transfusion flexible bag bag 10, is enclosed within the bottom of needle cylindrical unit 12 on mixed medicine interface 21, snap ring 5 on mixed medicine interface 21 is positioned at the top of the locating ring 13 of needle cylindrical unit 12, and needle cylindrical unit 12 is fixed on mixed medicine interface 21; During mixed medicine, medicament reservoir 15 is inserted in mixed medicine card 11, then be rotated down mixed medicine card 11, make the port compression ring sealing plug 14 of mixed medicine interface 21, the barrier film 9 in mixed medicine interface 21 is exposed in the bottom of medicine feeding needle 16, medicament reservoir 15 in mixed medicine card 11 just is communicated with transfusion flexible bag bag 10 is interior, and the structure after assembling as shown in Figure 5.This with the hard double nip of medicine mixing mouth and transfusion flexible bag thereof in use, need not to adopt hose connection and foldable handle, both reduced flexible pipe station is installed, and avoided again the weld seam leakage that brings because of the flexible pipe weld defect, this hard double nip and transfusion flexible bag scope of application thereof with medicine mixing mouth is wider simultaneously.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. with the hard double nip of medicine mixing mouth, comprise pedestal (1), have mixed medicine passage (2) and an infusion channel (3) on described pedestal (1), described mixed medicine passage (2) extends the mixed medicine interface (21) that pedestal (1) forms the cylindrical hollow structure; It is characterized in that: comprise mixed medicine card (11), needle cylindrical unit (12) and medicine feeding needle (16); Described medicine feeding needle (16) is located in mixed medicine card (11), and described needle cylindrical unit (12) is positioned at the lower surface of mixed medicine card (11);
A protruding annular boss (4) along the circumferential direction on the outer wall of described mixed medicine interface (21), be provided with external screw thread on this annular boss (4), the port outer wall of mixed medicine interface (21) is provided with the snap ring (5) of a loop configuration, is provided with a barrier film (6) for sealed mixed medicine passage (2) in mixed medicine interface (21);
The bottom of described medicine feeding needle (16) forms the sealing-plug installation cavity of annular to downward-extension and with the inwall of needle cylindrical unit (12), is provided with ring sealing plug (14) in described sealing-plug installation cavity; The inwall of described needle cylindrical unit (12) along the circumferential direction is provided with locating ring (13), and the bottom interior wall of needle cylindrical unit (12) is provided with female thread, and described locating ring (13) is between sealing-plug installation cavity and female thread;
Described needle cylindrical unit (12) is enclosed within on mixed medicine interface (21), and snap ring (5) is positioned at the top of locating ring (13); After being rotated down mixed medicine card (11), the port compression ring sealing plug (14) of mixed medicine interface (21), barrier film (6) is passed in the bottom of needle cylindrical unit (12).
2. the hard double nip with medicine mixing mouth according to claim 1, it is characterized in that: described barrier film (6) is provided with an impression (7) on its line of symmetry.
3. the hard double nip with medicine mixing mouth according to claim 1, is characterized in that: the welding lines (8) that is laid with loop configuration on the outer wall of described pedestal (1).
4. the hard double nip with medicine mixing mouth according to claim 1, it is characterized in that: described pedestal (1) is the ship shape structure in the projection of its cross section, and stretches out at the two ends of the pedestal (1) of this ship shape structure and form the thickness thin slice of attenuation (9) gradually.
5. the hard double nip with medicine mixing mouth according to claim 1, it is characterized in that: described mixed medicine card (11) is the cylindrical hollow structure, is symmetrically arranged with at least two and is used for preventing fixture block (17) that medicament reservoir withdraws from and that be obliquely installed on the inwall of mixed medicine card (11).
6. the hard double nip with medicine mixing mouth according to claim 1, is characterized in that: have an arcuate structure to lower convexity bottom the elongated end of medicine feeding needle (16).
7. the described hard double nip with medicine mixing mouth of any one claim according to claim 1 to 6, is characterized in that: be provided with seal cover (18) in the upper end of mixing medicine card (11).
8. the hard double nip with medicine mixing mouth according to claim 7, is characterized in that: overlap on described annular boss (4) to have to intercept and overlap.
9. transfusion flexible bag, comprise transfusion flexible bag bag (10), it is characterized in that: also comprise the described hard double nip with medicine mixing mouth of any one claim in claim 1 to 8, this with pedestal (1) seam on the hard double nip of medicine mixing mouth on this transfusion flexible bag bag (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110318584 CN102389373B (en) | 2011-10-19 | 2011-10-19 | Hard double interfaces with medicine mixing mouth and transfusion soft bag thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110318584 CN102389373B (en) | 2011-10-19 | 2011-10-19 | Hard double interfaces with medicine mixing mouth and transfusion soft bag thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102389373A CN102389373A (en) | 2012-03-28 |
| CN102389373B true CN102389373B (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110318584 Active CN102389373B (en) | 2011-10-19 | 2011-10-19 | Hard double interfaces with medicine mixing mouth and transfusion soft bag thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3034062B1 (en) * | 2014-12-19 | 2017-03-22 | Fresenius Kabi Deutschland GmbH | Connector system comprising at least two outlet ports |
| CN105342850B (en) * | 2015-11-13 | 2019-10-18 | 重庆莱美药业股份有限公司 | Single needle medicine mixer, hard double nip and transfusion flexible bag |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348060A (en) * | 1991-08-08 | 1994-09-20 | Nissho Corporation | Drug vessel |
| CN2915101Y (en) * | 2006-04-14 | 2007-06-27 | 湖南千山制药机械股份有限公司 | Hard-interface infusion bag employing drug mixing mouth with a protective cover |
| CN201481804U (en) * | 2009-07-20 | 2010-05-26 | 湖南千山制药机械股份有限公司 | Infusion bag with dual hard interfaces |
| CN201987882U (en) * | 2011-03-01 | 2011-09-28 | 重庆莱美药业股份有限公司 | Medicine mixing interface for plastic infusion soft bag |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202236326U (en) * | 2011-10-19 | 2012-05-30 | 重庆莱美药业股份有限公司 | Hard dual-connector with plug-in type medicine mixing mouth and soft infusion bag comprising same |
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2011
- 2011-10-19 CN CN 201110318584 patent/CN102389373B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348060A (en) * | 1991-08-08 | 1994-09-20 | Nissho Corporation | Drug vessel |
| CN2915101Y (en) * | 2006-04-14 | 2007-06-27 | 湖南千山制药机械股份有限公司 | Hard-interface infusion bag employing drug mixing mouth with a protective cover |
| CN201481804U (en) * | 2009-07-20 | 2010-05-26 | 湖南千山制药机械股份有限公司 | Infusion bag with dual hard interfaces |
| CN201987882U (en) * | 2011-03-01 | 2011-09-28 | 重庆莱美药业股份有限公司 | Medicine mixing interface for plastic infusion soft bag |
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| CN102389373A (en) | 2012-03-28 |
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Application publication date: 20120328 Assignee: Hunan Kangyuan Pharmacy Co., Ltd. Assignor: Chongqing Lummy Pharmaceutical Co., Ltd. Contract record no.: 2012430000160 Denomination of invention: Hard double interfaces with medicine mixing mouth and transfusion soft bag thereof License type: Common License Record date: 20120727 |
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