CN102499888A - Integrally formed medicine mixing joint - Google Patents

Integrally formed medicine mixing joint Download PDF

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Publication number
CN102499888A
CN102499888A CN2011103570484A CN201110357048A CN102499888A CN 102499888 A CN102499888 A CN 102499888A CN 2011103570484 A CN2011103570484 A CN 2011103570484A CN 201110357048 A CN201110357048 A CN 201110357048A CN 102499888 A CN102499888 A CN 102499888A
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China
Prior art keywords
medicine
interface
mixed medicine
medicine mixing
card body
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Application number
CN2011103570484A
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Chinese (zh)
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CN102499888B (en
Inventor
邱宇
李科
周兵
赵柳英
李鸿宇
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Chongqing Lummy Pharmaceutical Co Ltd
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Chongqing Lummy Pharmaceutical Co Ltd
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Priority to CN2011103570484A priority Critical patent/CN102499888B/en
Publication of CN102499888A publication Critical patent/CN102499888A/en
Priority to CA2877510A priority patent/CA2877510C/en
Priority to US14/415,131 priority patent/US9775778B2/en
Priority to EP12847291.7A priority patent/EP2881101B1/en
Priority to PCT/CN2012/079560 priority patent/WO2013067836A1/en
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Abstract

The invention discloses an integrally formed medicine mixing joint, which comprises a medicine mixing nozzle, a hard double-joint and a medicine feeding needle, wherein the hard double-joint comprises a base, a medicine mixing joint and an infusion joint, and the medicine mixing nozzle is integrally formed with the medicine mixing joint. When the integrally formed medicine mixing joint is used, only the base needs to be welded on a bag body of a soft infusion bag, the medicine mixing nozzle is integrally formed with the medicine mixing joint on the hard double-joint, a hose connection and an easy-breaking handle are omitted, hose mounting stations are decreased, leakage on welding lines caused by welding defects of a hose is avoided, and the integrally formed medicine mixing joint is simple in structure and low in cost.

Description

Integrated mixed medicine interface
Technical field
The present invention relates to a kind of medical apparatus and instruments, relate in particular to a kind of hard double nip with medicine mixing mouth.
Background technology
In clinical treating disease, perhaps directly medicine is injected in the body often for patient infusion through intravenous drip, medicine often is stored in the transfusion flexible bag, and the medicinal liquid in the transfusion flexible bag injects or output usually realizes through the hard double nip of being with medicine mixing mouth.
In the prior art, the hard double nip of band medicine mixing mouth mainly comprises base, mixes medicine card body, needle cylindrical unit, flexible pipe, foldable handle and dosing pin.Have one on the base and mix a medicine interface and a transfusion interface, mix the medicine interface and extend base, and be the cylindrical hollow structure; The transfusion interface extends pedestal, and is the cylindrical hollow structure.Mixing medicine card body is the cylindrical hollow structure, and the dosing pin is located at and mixes in the medicine card body, mixes the lower surface and the sealing of dosing pin outer wall of medicine card body, and needle cylindrical unit is positioned at the lower surface of mixing medicine card body.One end of flexible pipe is enclosed within and mixes on the medicine interface, and with this mixed medicine interface seam, the other end of flexible pipe is enclosed within on the needle cylindrical unit, and with this needle cylindrical unit seam.Foldable handle is installed in the flexible pipe, mainly the passage between dosing pin and the mixed medicine interface is stopped up, and when mixing medicine, needs foldable handle is fractureed, could be with the channel connection between dosing pin and the mixed medicine interface.
Mainly there is following deficiency in the hard double nip of above-mentioned band medicine mixing mouth: one, the mixed medicine interface on medicine mixing mouth and the hard double nip need be through hose connection; One end of flexible pipe is enclosed within on the mixed medicine interface of hard double nip, and with this mixed medicine interface seam, the other end of flexible pipe is enclosed within on the needle cylindrical unit; And with this needle cylindrical unit seam; So both increased the installation station of flexible pipe, increased the welding position again, increased probability because of welding position leakage when mixing medicine; Two, medicine mixing mouth is connected with mixed medicine interface on the hard double nip through flexible pipe, because of the restriction of material that flexible pipe adopts, in temperature lower (like zubzero temperature), is prone to cause the welding position of flexible pipe to ftracture, and then causes mixed medicine leakage; Three, the medicine mixing mouth of said structure when mixed medicine interface on the hard double nip is connected, also need be installed foldable handle in the flexible pipe through flexible pipe.
Summary of the invention
To the above-mentioned deficiency that exists in the prior art, the invention provides a kind of need not to adopt foldable handle and flexible pipe, avoid mixing the medicine leakage because of welding produces, and simple in structure, the integrated mixed medicine interface that cost is low.
In order to solve the problems of the technologies described above; The present invention has adopted following technical scheme: integrated mixed medicine interface; Comprise medicine mixing mouth, hard double nip and dosing pin, said hard double nip comprises base, mixes medicine interface and transfusion interface, and said medicine mixing mouth and mixed medicine interface are one-body molded.
As a kind of preferred version of the present invention; Said dosing pin is the cross pin; The inwall of said medicine mixing mouth and the integrated mixed medicine passage of mixed medicine interface is provided with annular rubber cushion, and the bottom of said cross pin is stuck in the endoporus of annular rubber cushion, and the pedestal of said cross pin is positioned at the mixed medicine card body of medicine mixing mouth.
As another kind of preferred version of the present invention, be provided with one in the said mixed medicine interface and be used to seal the barrier film that mixes the medicine passage.
As another preferred version of the present invention, be laid with the welding lines on the outer wall of said base.
As a kind of improvement project of the present invention, said base is the ship shape structure in the projection of its cross section, and stretches out at the two ends of the base of this ship shape structure and to form the thickness thin slice of attenuation gradually.
As another kind of improvement project of the present invention, said mixed medicine card body is the cylindrical hollow structure, on the inwall that mixes medicine card body, is symmetrically arranged with at least two and is barb-like and is used to prevent the anti-slide fastener that medicament reservoir is loosening.
As another improvement project of the present invention, be provided with seal cover in the upper end of mixing medicine card body.
The invention has the beneficial effects as follows: when using this integrated mixed medicine interface; Only need the base seam on the bag of transfusion flexible bag, medicine mixing mouth is one-body molded with the mixed medicine interface on the hard double nip, need not to adopt hose connection and foldable handle; Both reduced flexible pipe station had been installed; Avoided the weld seam leakage that brought because of the flexible pipe weld defect again, and simple in structure, cost is low.
Description of drawings
The structural representation of the mixed medicine interface that Fig. 1 is formed in one;
Fig. 2 is medicine mixing mouth and the hard integrated structural representation of double nip;
Fig. 3 is the structural representation of dosing pin;
The structural representation of the mixed medicine interface that Fig. 4 is formed in one before using;
The structural representation of the mixed medicine interface that Fig. 5 is formed in one after using.
In the accompanying drawing: 1-medicine mixing mouth; 2-hard double nip; 21-base; 22-mixed medicine interface; 23-transfusion interface; 3-dosing pin; 4-annular rubber cushion; 5-pedestal; 6-mixed medicine card body; 7-welding lines; 8-thin slice; 9-anti-slide fastener; 10-seal cover; 11-transfusion flexible bag; 12-medicament reservoir.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done to describe in further detail.
Like Fig. 1, Fig. 2 and shown in Figure 3, integrated mixed medicine interface comprises medicine mixing mouth 1, hard double nip 2 and dosing pin 3.Hard double nip 2 comprises base 21, mixes medicine interface 22 and transfusion interface 23, and medicine mixing mouth 1 and mixed medicine interface 22 are one-body molded.
Dosing pin 3 is cross pin (promptly the cutting plane along the axis of this dosing pin is " cross " structure), and the needle point up and down of dosing pin 3 is conical structure, has three pin holes to be distributed on the conical surface of this conical structure.Medicine mixing mouth 1 is provided with annular rubber cushion 4 with the inwall of mixed medicine interface 22 integrated mixed medicine passages, and the bottom of cross pin is stuck in the endoporus of annular rubber cushion 4, and the pedestal 5 of cross pin is positioned at the mixed medicine card body 6 of medicine mixing mouth 1.Be provided with one in the mixed medicine interface 22 and be used to seal the barrier film that mixes the medicine passage; On transfusion flexible bag 11, implement to mix before the medicine this barrier film mixed medicine passage capable of blocking in base 21 seam of hard double nip 2; Make the transfusion solvent in the transfusion flexible bag 11 keep sealing and not contacting with dosing pin 3; The solvent of avoiding infusing pours into through dosing pin 3 and mixes in the medicine card body 6, thereby produces leakage, not only strict assurance in the transfusion flexible bag 11 the transfusion solvent volume but also avoided using before pollution; Behind dosing pin 3 puncture barrier films; Mixing medicine interface 22 is communicated with dosing pin 3; Thereby make the transfusion solvent can flow into medicament reservoir and realize mixing medicine; And this moment, annular rubber cushion 4 promptly substituted barrier film, not only can intercept the transfusion solvent and contact with extraneous, had also limited transfusion solution and only can flow into medicament reservoir 12 through dosing pin 3.So strict control the has been set opening sequence of mixed medicine passage that this is membranous has guaranteed the safety and sanitation of mixed medicine process.In addition, this barrier film can be one-body molded with mixed medicine interface 22, and technology is simple, be prone to realize, and the cost of material is low, can not increase the financial burden of consumer.
Be laid with welding lines 7 (in the present embodiment, on the outer wall of base 21, being laid with four welding lines) on the outer wall of base 21.Base 21 is the ship shape structure in the projection of its cross section, and stretches out at the two ends of the base 21 of this ship shape structure and to form the thickness thin slice 8 of attenuation gradually.During thermal weld, base 21 is more firm with the bag mouth seam of transfusion flexible bag 11 through the welding lines on it 7, and base 21 is better with the sealing effectiveness of transfusion flexible bag 11; And the thin slice 8 of base 21 both sides can combine together with the bag mouth of transfusion flexible bag 11 fast, has both accelerated seam speed, can strengthen the sealing effectiveness of base 21 and transfusion flexible bag 11 again.
Mixing medicine card body 6 is the cylindrical hollow structure, on the inwall that mixes medicine card body 6, is symmetrically arranged with at least two and is barb-like and is used to prevent the anti-slide fastener 9 that medicament reservoir is loosening.In the present embodiment, on the inwall that mixes medicine card body 6, be symmetrically arranged with six anti-slide fasteners 9.Medicament reservoir 12 snap in mix in the medicine card body 6 after, medicament reservoir can effectively avoid medicament reservoir 12 in mixed medicine card body 6, to withdraw from or become flexible to opposite direction under the inhibition of anti-slide fastener 9.
Upper end mixing medicine card body 6 is provided with seal cover 10.Before the use; Seal cover 10 makes and mixes medicine card body 6, is positioned at the dosing pin 3 of mixed medicine card body 6 and the mixed medicine passage of hard double nip 2 is in sealing state, makes and mixes medicine card body 6, is positioned at the dosing pin 3 of mixed medicine card body 6 and the mixed medicine passage of hard double nip 2 and have good cleannes before use; During use, remove seal cover 10 and can use, both convenient, can guarantee to mix medicine card body 6 again, be positioned at the dosing pin 3 that mixes medicine card body 6 and the cleannes of the mixed medicine passage of double nip 2 firmly.
When using this integrated mixed medicine interface, as shown in Figure 4, on the bag mouth of transfusion flexible bag 11, the bottom of dosing pin is stuck in the endoporus of annular rubber cushion 4 with base 21 seam.When mixing medicine, remove seal cover 10, medicament reservoir 12 is snapped in mix in the medicine card body 6; Promote medicament reservoir 12 then downwards, make the top of dosing pin 3 on piercing through medicament reservoir 12, in the sealing-plug, also promote following dosing pin 3 to descending; Make the bottom of dosing pin 3 pierce through the barrier film that mixes in the medicine interface 22; And the pedestal 5 that makes dosing pin 3 finally moves to the bottom of mixing in the medicine card body 6, and medicament reservoir 12 just with in the transfusion flexible bag 11 has been realized being communicated with like this, and is as shown in Figure 5.
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 specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (7)

1. integrated mixed medicine interface; Comprise medicine mixing mouth (1), hard double nip (2) and dosing pin (3); Said hard double nip (2) comprises base (21), mixes medicine interface (22) and transfusion interface (23), and it is characterized in that: said medicine mixing mouth (1) is one-body molded with mixed medicine interface (22).
2. integrated mixed medicine interface according to claim 1; It is characterized in that: said dosing pin (3) is the cross pin; Said medicine mixing mouth (1) is provided with annular rubber cushion (4) with the inwall of the integrated mixed medicine passage of mixed medicine interface (22); The bottom of said cross pin is stuck in the endoporus of annular rubber cushion (4), and the pedestal of said cross pin (5) is positioned at the mixed medicine card body (6) of medicine mixing mouth (1).
3. integrated mixed medicine interface according to claim 2 is characterized in that: be provided with one in the said mixed medicine interface (22) and be used to seal the barrier film that mixes the medicine passage.
4. according to claim 1,2 or 3 described integrated mixed medicine interfaces, it is characterized in that: be laid with welding lines (7) on the outer wall of said base (21).
5. according to claim 1,2 or 3 described integrated mixed medicine interfaces; It is characterized in that: said base (21) is the ship shape structure in the projection of its cross section, and stretches out at the two ends of the base (21) of this ship shape structure and to form the thickness thin slice of attenuation (8) gradually.
6. according to claim 1,2 or 3 described integrated mixed medicine interfaces; It is characterized in that: said mixed medicine card body (6) is the cylindrical hollow structure, on the inwall that mixes medicine card body (6), is symmetrically arranged with at least two and is barb-like and is used to prevent the anti-slide fastener (9) that medicament reservoir is loosening.
7. according to claim 1,2 or 3 described integrated mixed medicine interfaces, it is characterized in that: the upper end mixing medicine card body (6) is provided with seal cover (10).
CN2011103570484A 2011-11-11 2011-11-11 Integrally formed medicine mixing joint Active CN102499888B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2011103570484A CN102499888B (en) 2011-11-11 2011-11-11 Integrally formed medicine mixing joint
CA2877510A CA2877510C (en) 2011-11-11 2012-08-02 Integrated medicine mixing interface
US14/415,131 US9775778B2 (en) 2011-11-11 2012-08-02 Integrated medicine mixing interface
EP12847291.7A EP2881101B1 (en) 2011-11-11 2012-08-02 Integrated medicine mixing interface
PCT/CN2012/079560 WO2013067836A1 (en) 2011-11-11 2012-08-02 Integrated medicine mixing interface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011103570484A CN102499888B (en) 2011-11-11 2011-11-11 Integrally formed medicine mixing joint

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CN102499888A true CN102499888A (en) 2012-06-20
CN102499888B CN102499888B (en) 2013-07-03

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013067836A1 (en) * 2011-11-11 2013-05-16 重庆莱美药业股份有限公司 Integrated medicine mixing interface
CN104161667A (en) * 2014-08-15 2014-11-26 青岛华仁医药包装材料科技有限公司 Direct dispensing type double-pipe infusion soft bag
CN105232329A (en) * 2015-11-13 2016-01-13 重庆莱美药业股份有限公司 Medicine mixer, hard double connectors and infusion soft bag
CN105232331A (en) * 2015-11-13 2016-01-13 重庆莱美药业股份有限公司 Medicine mixer, hard double connectors and infusion soft bag
CN105232330A (en) * 2015-11-13 2016-01-13 重庆莱美药业股份有限公司 Medicine mixer, hard double connectors and infusion soft bag
WO2017080522A1 (en) * 2015-11-13 2017-05-18 重庆莱美药业股份有限公司 Drug mixer, hard dual-port member, and soft infusion bag

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003339821A (en) * 2002-05-23 2003-12-02 Chuei Products Co Ltd Transfusion device
CN2843445Y (en) * 2005-11-25 2006-12-06 湖南千山制药机械股份有限公司 Band simple combination lid and band have the hard interface transfusion bag of the medicine mixing mouth of the function of piercing through
US7867215B2 (en) * 2002-04-17 2011-01-11 Carmel Pharma Ab Method and device for fluid transfer in an infusion system
CN102178602A (en) * 2011-03-01 2011-09-14 重庆莱美药业股份有限公司 Drug-mixing connector for plastic infusion soft bag
CN202314384U (en) * 2011-11-11 2012-07-11 重庆莱美药业股份有限公司 Integral medicine mixing interface

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7867215B2 (en) * 2002-04-17 2011-01-11 Carmel Pharma Ab Method and device for fluid transfer in an infusion system
JP2003339821A (en) * 2002-05-23 2003-12-02 Chuei Products Co Ltd Transfusion device
CN2843445Y (en) * 2005-11-25 2006-12-06 湖南千山制药机械股份有限公司 Band simple combination lid and band have the hard interface transfusion bag of the medicine mixing mouth of the function of piercing through
CN102178602A (en) * 2011-03-01 2011-09-14 重庆莱美药业股份有限公司 Drug-mixing connector for plastic infusion soft bag
CN202314384U (en) * 2011-11-11 2012-07-11 重庆莱美药业股份有限公司 Integral medicine mixing interface

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013067836A1 (en) * 2011-11-11 2013-05-16 重庆莱美药业股份有限公司 Integrated medicine mixing interface
US9775778B2 (en) 2011-11-11 2017-10-03 Chongqing Lummy Pharmaceutical Co., Ltd Integrated medicine mixing interface
CN104161667A (en) * 2014-08-15 2014-11-26 青岛华仁医药包装材料科技有限公司 Direct dispensing type double-pipe infusion soft bag
CN105232329A (en) * 2015-11-13 2016-01-13 重庆莱美药业股份有限公司 Medicine mixer, hard double connectors and infusion soft bag
CN105232331A (en) * 2015-11-13 2016-01-13 重庆莱美药业股份有限公司 Medicine mixer, hard double connectors and infusion soft bag
CN105232330A (en) * 2015-11-13 2016-01-13 重庆莱美药业股份有限公司 Medicine mixer, hard double connectors and infusion soft bag
WO2017080522A1 (en) * 2015-11-13 2017-05-18 重庆莱美药业股份有限公司 Drug mixer, hard dual-port member, and soft infusion bag
CN105232331B (en) * 2015-11-13 2019-01-08 重庆莱美药业股份有限公司 Medicine mixer, hard double nip and transfusion flexible bag
CN105232329B (en) * 2015-11-13 2019-02-22 重庆莱美药业股份有限公司 Medicine mixer, hard double nip and transfusion flexible bag
CN105232330B (en) * 2015-11-13 2019-11-26 重庆莱美药业股份有限公司 Medicine mixer, hard double nip and transfusion flexible bag

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Application publication date: 20120620

Assignee: Hunan Kangyuan Pharmacy Co., Ltd.

Assignor: Chongqing Lummy Pharmaceutical Co., Ltd.

Contract record no.: 2012500000094

Denomination of invention: Integrally formed medicine mixing joint

License type: Exclusive License

Record date: 20121112

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
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GR01 Patent grant
EC01 Cancellation of recordation of patent licensing contract

Assignee: Hunan Kangyuan Pharmacy Co., Ltd.

Assignor: Chongqing Lummy Pharmaceutical Co., Ltd.

Contract record no.: 2012500000094

Date of cancellation: 20160704

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model