CN204275156U - A kind of Needleless dosing transfusion positive-pressure joint - Google Patents

A kind of Needleless dosing transfusion positive-pressure joint Download PDF

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Publication number
CN204275156U
CN204275156U CN201420716504.9U CN201420716504U CN204275156U CN 204275156 U CN204275156 U CN 204275156U CN 201420716504 U CN201420716504 U CN 201420716504U CN 204275156 U CN204275156 U CN 204275156U
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China
Prior art keywords
shell
plug
hollow rubber
pressure joint
drainage trough
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CN201420716504.9U
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Chinese (zh)
Inventor
梁栋科
李涛
朱小叶
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SHANGHAI KINDLY MEDICAL INSTRUMENTS CO., LTD.
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MEDICAL EQUIPMENT Co Ltd SHANGHAI KANGDELAI ENTERPRISE DEVELOPMENT GROUP
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Priority to CN201420716504.9U priority Critical patent/CN204275156U/en
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Abstract

The utility model discloses a kind of Needleless dosing transfusion positive-pressure joint of medical instruments field, comprise plug inner core, hollow rubber plug, stub (tube), and the shell that two ends are through up and down, the lower end of stub (tube) and shell is socketed, and the bottom surface of stub (tube) inwall has a horizontal drainage trough its level divided equally, and correspondence is positioned at two exhaust holes of horizontal drainage trough both sides; The middle part of horizontal drainage trough is plugged with a tube for transfusion; A plug shell coaxial with shell is provided with in shell, the end face of plug shell is lower than the end face of shell, hollow rubber plug is positioned at plug shell and coaxially by the bottom supporting of plug outer casing inner wall, the outer circle wall of hollow rubber plug and the inner peripheral wall of shell, and and the inner peripheral wall of plug shell between form hermetically-sealed construction, the bottom of plug shell is also provided with two exhaustors, two exhaustors and two corresponding grafting of exhaust hole; At least one longitudinal drainage trough that can be communicated with horizontal drainage trough is formed between the outer circle wall of plug shell and the inner peripheral wall radial direction of shell.

Description

A kind of Needleless dosing transfusion positive-pressure joint
Technical field
This utility model relates to a kind of Needleless dosing transfusion positive-pressure joint of medical instruments field.
Background technology
Needleless dosing transfusion positive-pressure joint is mainly used in liquid medicine injection in medical treatment, gravity infusion, Liquid extracting, can with intravenous transfusion device, the injecting apparatus such as venous duct connects, and Needleless dosing transfusion positive-pressure joint can be avoided puncturing the pollution of the microgranule that may bring human capillary vessel, micro-bits due to syringe needle.When injecting apparatus is pulled out, Needleless dosing transfusion positive-pressure joint produces a malleation, automatically makes intravenous transfusion device, and the liquid in venous duct etc. is pushed ahead, and can prevent blood backflow, avoid the formation of thrombosis.The subject matter that current Needleless dosing transfusion positive-pressure joint exists is: when injecting apparatus is pulled out, the malleation quantity not sufficient that Needleless dosing transfusion positive-pressure joint provides, cause a large amount of liquor residue in Needleless dosing transfusion positive-pressure joint, cause the waste of large medicine amount liquid, and the accuracy of dosage can be affected, delay the treatment of patient.Meanwhile, also there is metal structure in Needleless dosing transfusion positive-pressure joint inside, and it will affect the accuracy of check result when carrying out nuclear magnetic resonance check.Also have a bit, current Needleless dosing transfusion positive-pressure joint, it is such as a kind of Needleless dosing transfusion positive-pressure joint recorded in the utility application of 201310644662.9 at application number, its shape is T-shaped, and namely the infusion port of Needleless dosing transfusion positive-pressure joint and the outlet of air are separated, such design, traction is not high, Clinical practice inconvenience simultaneously, dosing of cannot infusing, both carry out simultaneously.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of Needleless dosing transfusion positive-pressure joint is provided, its volume is little, and can provide enough large malleation amount when injecting apparatus is pulled out, reduce the residual quantity of medicinal liquid in Needleless dosing transfusion positive-pressure joint, reduce the waste of medicinal liquid, ensure the accuracy of dosage.
A kind of technical scheme realizing above-mentioned purpose is: a kind of Needleless dosing transfusion positive-pressure joint, comprises hollow rubber plug, stub (tube), and the shell that two ends are through up and down, and the top grafting of described hollow rubber plug is fixed with a semirigid plug inner core;
The lower end of described stub (tube) and described shell is socketed, and the bottom surface of described stub (tube) inwall has a horizontal drainage trough its level divided equally, and correspondence is positioned at two exhaust holes of described horizontal drainage trough both sides; The middle part of described horizontal drainage trough is connected with a tube for transfusion for being discharged by medicinal liquid downwards;
A plug shell coaxial with described shell is provided with in described shell, the end face of described plug shell is lower than the end face of described shell, described hollow rubber plug is positioned at described plug shell and the bottom supporting of inwall by described plug shell coaxially, the outer circle wall of described hollow rubber plug and the inner peripheral wall of described shell, and and the inner peripheral wall of described plug shell between form hermetically-sealed construction, the bottom of described plug shell is also provided with two exhaustors for being discharged in described plug shell by air, exhaustor described in two and the corresponding grafting of exhaust hole described in two, and the bottom surface of described plug shell is contacted with the bottom surface of described stub (tube) inwall,
At least one longitudinal drainage trough that can be communicated with described horizontal drainage trough is formed between the radial direction of the outer circle wall of described plug shell and the inner peripheral wall of described shell.
Further, six longitudinal drainage troughs are formed between the outer circle wall of described plug shell and the inner peripheral wall of described shell, the outer circle wall of described plug shell is arranged with two bottom grooves, two described bottom grooves make the two ends of described horizontal drainage trough respectively longitudinal drainage trough described with three be communicated with.
Further, the middle part of described hollow rubber plug is provided with the plug flange on the outer circle wall being positioned at described hollow rubber plug, described plug flange is lower than the end face of described plug shell, and be close to the inner peripheral wall of described plug shell, make to form hermetically-sealed construction between the inner peripheral wall of the outer circle wall of described hollow rubber plug and described plug shell.
Further, the bottom surface of described plug outer casing inner wall is provided with a straight type groove, two described exhaustors all with the grafting of described straight type groove.
Further, described plug inner core, comprise the inner core body fixed with the grafting of described hollow rubber plug inner peripheral wall and with the inner core flange being positioned at described inner core body top, the bottom surface of described inner core flange and the end face of described hollow rubber plug are fixed.
Further, the center of the end face of described plug inner core is provided with inlet.
Further, the outer circle wall of described shell upper end is socketed with and screws lid.
Further, described shell, described plug shell and described stub (tube) are made by medical Merlon, and described plug inner core is made up of medical polyformaldehyde, and described hollow rubber plug is made up of medical silica-gel.
Further, the outer circle wall of described shell is also connected with a chemical feed pipe, described chemical feed pipe is communicated with at least one longitudinal drainage trough between the outer circle wall and the inner peripheral wall radial direction of described shell of described plug shell.
Further, the outer circle wall of described chemical feed pipe is socketed with and screws lid.
Have employed the technical scheme of a kind of Needleless dosing transfusion positive-pressure joint of the present utility model for coaxially to arrange a plug shell in the enclosure, the lower end socket stub (tube) of shell, the bottom surface of plug shell contacts with the bottom surface of stub (tube) inwall, at least one longitudinal drainage trough is formed between plug shell and shell radial direction, the bottom surface of stub (tube) inwall is provided with to be divided equally this bottom surface level, the horizontal drainage trough be communicated with described longitudinal drainage trough, the middle part of horizontal drainage trough is provided with the tube for transfusion for being discharged by the medicinal liquid in horizontal drainage trough, the both sides of horizontal drainage trough are respectively provided with an exhaust hole, two exhaustor grafting of two exhaust holes and plug outer casing bottom, for the Needleless dosing transfusion positive-pressure joint that the air in plug shell is discharged.Its technique effect is: the infusion port of Needleless dosing transfusion positive-pressure joint and the outlet of air are all positioned at the lower end of Needleless dosing transfusion positive-pressure joint, Needleless dosing transfusion positive-pressure joint volume reduces, traction is high, simultaneously owing to introducing the design that at least one longitudinal drainage trough is communicated with horizontal drainage trough, malleation amount when ensure that injecting apparatus is pulled out, reduce the residual quantity of medicinal liquid in Needleless dosing transfusion positive-pressure joint, reduce the waste of medicinal liquid, ensure the accuracy of dosage.
Accompanying drawing explanation
Fig. 1 is the front view of the first embodiment of a kind of Needleless dosing transfusion positive-pressure joint of the present utility model.
Fig. 2 is the sectional view in the A-A face of the first embodiment of a kind of Needleless dosing transfusion positive-pressure joint of the present utility model.
Fig. 3 is the sectional view in the C_C face of the first embodiment of a kind of Needleless dosing transfusion positive-pressure joint of the present utility model.
Fig. 4 is the three-dimensional view of the stub (tube) of the first embodiment of a kind of Needleless dosing transfusion positive-pressure joint of the present utility model.
Fig. 5 is the top view of the plug shell of the first embodiment of a kind of Needleless dosing transfusion positive-pressure joint of the present utility model
Fig. 6 is the sectional view in the A-A face of the second embodiment of a kind of Needleless dosing transfusion positive-pressure joint of the present utility model.
Detailed description of the invention
Refer to Fig. 1 to Fig. 6, inventor of the present utility model, in order to understand the technical solution of the utility model better, below by embodiment particularly, and is described in detail by reference to the accompanying drawings:
First embodiment
Refer to Fig. 1 to Fig. 5, a kind of Needleless dosing transfusion positive-pressure joint of the present utility model, comprises shell 1, hollow rubber plug 2, stub (tube) 4 and plug shell 5.
The two ends up and down of shell 1 are through.
Stub (tube) 4 is socketed in shell 1 lower end, and the end face of stub (tube) 4 is annular, and the end face of stub (tube) 4 is provided with an annular boss that can be socketed with the inner peripheral wall of shell 1 lower end.Stub (tube) 4 is socketed by the lower end of described annular boss and described shell 1.
The bottom surface of stub (tube) 4 inwall is provided with a horizontal drainage trough 41 this bottom surface level divided equally, and the middle part of horizontal drainage trough 41 is provided with the infusion port 411 for being discharged by the medicinal liquid in horizontal drainage trough 41 downwards, and infusion port 411 connects tube for transfusion 42.Horizontal drainage trough 41 be each side provided with an exhaust hole 43.
Plug shell 5 is located at the radially inner side of shell 1 coaxially.The end face of plug shell 5 is lower than the end face of shell 1.The bottom surface of plug shell 5 contacts with the bottom surface of stub (tube) 4 inwall, and the outer circle wall of plug shell 5 contacts with the inner peripheral wall of stub (tube) 4.The object of such design is not leaked to enable Needleless dosing transfusion positive-pressure joint bear certain blood of human body pressure, in order to horizontal drainage trough 41 is cut off with space outerpace, thus prevent the medicinal liquid in the level of pollution drainage trough 41 of outside air and antibacterial, also be in order to when injecting apparatus is pulled out, make to produce enough malleation amounts in Needleless dosing transfusion positive-pressure joint.
At least one longitudinal drainage trough 6 is formed between the inner peripheral wall radial direction of plug shell 5 outer circle wall and shell 1.Six longitudinal drainage troughs 6 have been established in the present embodiment.Article six, drainage trough 6 is divided into two groups, often organizes the longitudinal drainage trough 6 of three longitudinal drainage troughs 6, two groups between plug shell 5 outer circle wall and the inner peripheral wall radial direction of shell 1 in mirror symmetry distribution.The bottom of the outer circle wall of plug shell 5 has twice bottom groove 51, and bottom groove 51 is also in mirror symmetry distribution in the bottom of plug shell 5 outer circle wall, to make the position of two bottom grooves 51 corresponding with the position at the horizontal axial two ends of drainage trough 41.Two groups of longitudinal drainage troughs 6 are communicated with horizontal drainage trough 41 each via one bottom groove 51.
The bottom of plug shell 5 is provided with two exhaustors, 52, two exhaustors 52 and the corresponding grafting of the exhaust hole of two on stub (tube) 4 43, for being discharged by the air in plug shell 5.
The bottom surface of plug shell 5 inwall be provided with straight type groove 53, two exhaustors 52 diametrically running through the bottom surface of plug shell 5 inwall all with the grafting of straight type groove 53.
Hollow rubber plug 2 is positioned at the radially inner side of plug shell 5, and forms hermetically-sealed construction between the inner peripheral wall of the outer circle wall of hollow rubber plug 2 and plug shell 5.Exhaustor 52 is conducive to the discharge of air between hollow rubber plug 2 radially inner side, and straight type groove 53 enables the air between hollow rubber plug 2 and plug shell 5 radial direction be discharged by exhaustor 52.
The middle part of hollow rubber plug 2 is provided with the plug flange 21 be positioned on hollow rubber plug 2 outer circle wall, plug flange 21 is lower than the end face of plug shell 5, and be close to the inner peripheral wall of plug shell 5, make to form hermetically-sealed construction all the time between the inner peripheral wall of the excircle of hollow rubber plug 2 and plug shell 5.
The top grafting of hollow rubber plug 2 is fixed with a semirigid plug inner core 3, and the rigidity of plug inner core 3 must be greater than the rigidity of hollow rubber plug 2.The middle part of hollow rubber plug 2, namely contour with plug flange 21 position, is provided with and is positioned at hollow rubber plug 2 inside, for supporting the interlayer 22 of plug inner core 3.The top of hollow rubber plug 2 is equivalent to have semirigid structure, stressed rear substantially indeformable.
The top of hollow rubber plug 2, be provided with and be positioned on hollow rubber plug 2 outer circle wall, axial length is the upper flange 23 of 0.5 ~ 1mm, and upper flange 23 is close to the inner peripheral wall of shell 1, thus makes to define hermetically-sealed construction between the outer circle wall at hollow rubber plug 2 top and the inner peripheral wall of shell 1.Should be noted that, form hermetically-sealed construction between the outer circle wall at hollow rubber plug 2 top and the inner peripheral wall of shell 1 and be not limited to and arrange this kind of mode of upper flange 23, the axial length of upper flange 23 is also not limited to 0.5 ~ 1mm.
In the present embodiment, plug inner core 3 comprise the inner core body 31 fixed with the grafting of hollow rubber plug 2 inwall and with the inner core flange 32 being positioned at inner core body 31 top, the bottom surface of inner core flange 32 and the end face of hollow rubber plug 2 are fixed.The object of such design is: ensure that high-elastic compressive deformation does not occur on the top of hollow rubber plug 2, ensure when Needleless dosing transfusion positive-pressure joint is under transfusion state simultaneously, hollow rubber plug 2 outer circle wall remains with the inner peripheral wall of plug shell 5 and contacts, to form hermetically-sealed construction.
Meanwhile, the center of the end face of plug inner core 3 is provided with inlet 33, and the bottom of inlet 33 is higher than the bottom of upper flange 23.
The object of the design adopting semirigid plug inner core 3 to be combined with plug upper flange 23 is not leaked to enable Needleless dosing transfusion positive-pressure joint bear certain blood of human body pressure; In order to be cut off with space outerpace by longitudinal drainage trough 6, thus preventing the medicinal liquid in the longitudinal drainage trough 6 of the pollution of outside air and antibacterial, is also in order to when injecting apparatus is pulled out, and makes to produce enough malleation amounts in Needleless dosing transfusion positive-pressure joint.
Gap is left between the outer circle wall of hollow rubber plug 2 bottom and the inner peripheral wall of plug shell 5.The effect in this gap is: when injecting apparatus inserts from the upper end of shell 1, for the high-elastic compressive deformation of hollow rubber plug 2 bottom provides sufficient space, while high-elastic compressive deformation occurs in hollow rubber plug 2 bottom, the air in plug shell 5 is discharged from two exhaustors 52.
The circular cone interface of injecting apparatus is after shell 1 upper end insertion Needleless dosing transfusion positive-pressure joint, and masterpiece is used for plug inner core 3 by injecting apparatus, and power is transmitted on hollow rubber plug 2 by plug inner core 3.Hollow rubber plug 2 and plug inner core 3 entirety move down, and the top of hollow rubber plug 2, the i.e. part of interlayer more than 22 are substantially indeformable., there is high-elastic compressive deformation in the bottom of hollow rubber plug 2, the i.e. part of interlayer less than 22, is equivalent to the effect serving a spring.
After injecting apparatus inserts Needleless dosing transfusion positive-pressure joint from the upper end of shell 1, along with high resiliency compressive deformation occurs in the bottom of hollow rubber plug 2, between the outer circle wall of hollow rubber plug 2 and shell 1 inner peripheral wall, form gap.Also keep sealing between the outer circle wall of hollow rubber plug 2 and plug shell 5 inner peripheral wall, contact with the medicinal liquid in Needleless dosing transfusion positive-pressure joint with antibacterial to prevent external air.Medicinal liquid overflows from the inlet 33 plug inner core 3 end face, through the end face of plug shell 5, flows into the longitudinal drainage trough 6 between shell 1 and plug shell 5 radial direction, and is full of the longitudinal drainage trough 6 between shell 1 and plug shell 5 radial direction.Medicinal liquid in longitudinal drainage trough 6, by two bottom grooves 51 bottom plug shell 5, enters the horizontal drainage trough 41 of stub (tube) 4 inwall bottom surface, and fullness level drainage trough 41.Medicinal liquid in horizontal drainage trough 41 discharges Needleless dosing transfusion positive-pressure joint from tube for transfusion 42, is injected in human body.Needleless dosing transfusion positive-pressure joint is in inject state.
After pulling out injecting apparatus, the high-elastic compressive deformation of the bottom of hollow rubber plug 2 restores, and the outer circle wall of hollow rubber plug 2 forms hermetically-sealed construction with the inner peripheral wall of shell 1 again.In this process, because the high-elastic compressive deformation of hollow rubber plug 2 restores, an enough large malleation amount is produced in Needleless dosing transfusion positive-pressure joint, automatically medicinal liquid is made to push ahead along by longitudinal drainage trough 6, bottom groove 51, horizontal drainage trough 41 and tube for transfusion 42, prevent blood backflow from entering in Needleless dosing transfusion positive-pressure joint, avoid the formation of thrombosis.
By above-mentioned design, when injecting apparatus is pulled out, Needleless dosing transfusion positive-pressure joint is because the capacity of longitudinal drainage trough 6, bottom groove 51, horizontal drainage trough 41 and tube for transfusion 42 is little, enough large malleation amount can be provided, prevent blood backflow from entering Needleless dosing transfusion positive-pressure joint, avoid the formation of thrombosis, and reduce the residual quantity of medicinal liquid in Needleless dosing transfusion positive-pressure joint, reduce the waste of medicinal liquid, ensure the accuracy of dosage.
In the present embodiment; the outer circle wall of shell 1 is provided with the first external screw thread 11; first external screw thread 11 is socketed with first and screws lid 71; first effect screwing lid 71 is: as the protective cap of Needleless dosing transfusion positive-pressure joint liquid feeding end; well prevent the hollow rubber plug 2 of liquid feeding end; and outside plug inner core 3 end face is exposed to, by the pollution of dust in outside air and antibacterial may.The another one effect of the first external screw thread 11 is: after the circular cone interface of injecting apparatus inserts the upper end of shell 1, fixed by injecting apparatus.
Shell 1, plug shell 5 and stub (tube) 4 are all be made up of transparent plastic, the high-elastic compressive deformation of the hollow rubber plug 2 of Needleless dosing transfusion positive-pressure joint is all visual, the flowing of medicinal liquid in Needleless dosing transfusion positive-pressure joint is also visual, whether rinsed completely by medicinal liquid in Needleless dosing transfusion positive-pressure joint, or the backflow whether blood occurs also is all visual.
Meanwhile, in order to realize the high-elastic compressive deformation of hollow rubber plug 2, hollow rubber plug 2 is made up of medical silica-gel.The rigidity of plug inner core 3 is greater than the rigidity of hollow rubber plug 2, and therefore the preferred medical polyformaldehyde of the material of plug inner core 3, is opaque.The preferred medical Merlon of material of shell 1, plug shell 5 and stub (tube) 4 is transparent.The first preferred medical polyethylene of material screwing lid 71 is opaque.In the present embodiment, without metal parts, Needleless dosing transfusion positive-pressure joint inside ensure that transfusion patient carries out the correct result of nuclear magnetic resonance check.
Second embodiment
On shell 1, a chemical feed pipe 12 is added, for the tonic in Needleless dosing transfusion positive-pressure joint infusion process in the present embodiment.Chemical feed pipe 12 one end open, outer circle wall is provided with socket second on the second external screw thread 13, second external screw thread 13 and screws lid 72, in order to protect external screw thread 13.The other end of chemical feed pipe 12 is communicated with one group between plug shell 5 outer circle wall with shell 1 inner peripheral wall radial direction longitudinal drainage trough 6, is inputted in human body by horizontal drainage trough 41 and tube for transfusion 42 to enable the medicinal liquid added by chemical feed pipe 12.Second to screw lid 72 be that medical polyethylene is made, and is opaque.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to this utility model is described, and be not used as restriction of the present utility model, as long as in spirit of the present utility model, all will drop in Claims scope of the present utility model the change of the above embodiment, modification.

Claims (10)

1. a Needleless dosing transfusion positive-pressure joint, comprises hollow rubber plug, stub (tube), and the shell that two ends are through up and down, and the top grafting of described hollow rubber plug is fixed with a semirigid plug inner core; It is characterized in that:
The lower end of described stub (tube) and described shell is socketed, and the bottom surface of described stub (tube) inwall has a horizontal drainage trough its level divided equally, and correspondence is positioned at two exhaust holes of described horizontal drainage trough both sides; The middle part of described horizontal drainage trough is connected with a tube for transfusion for being discharged by medicinal liquid downwards;
A plug shell coaxial with described shell is provided with in described shell, the end face of described plug shell is lower than the end face of described shell, described hollow rubber plug is positioned at described plug shell and the bottom supporting of inwall by described plug shell coaxially, the outer circle wall of described hollow rubber plug and the inner peripheral wall of described shell, and and the inner peripheral wall of described plug shell between form hermetically-sealed construction, the bottom of described plug shell is also provided with two exhaustors for being discharged in described plug shell by air, exhaustor described in two and the corresponding grafting of exhaust hole described in two, and the bottom surface of described plug shell is contacted with the bottom surface of described stub (tube) inwall,
At least one longitudinal drainage trough that can be communicated with described horizontal drainage trough is formed between the radial direction of the outer circle wall of described plug shell and the inner peripheral wall of described shell.
2. a kind of Needleless dosing transfusion positive-pressure joint according to claim 1, it is characterized in that: between the outer circle wall of described plug shell and the inner peripheral wall of described shell, form six longitudinal drainage troughs, the outer circle wall of described plug shell is arranged with two bottom grooves, two described bottom grooves make the two ends of described horizontal drainage trough respectively longitudinal drainage trough described with three be communicated with.
3. a kind of Needleless dosing transfusion positive-pressure joint according to claim 1, it is characterized in that: the middle part of described hollow rubber plug is provided with the plug flange on the outer circle wall being positioned at described hollow rubber plug, described plug flange is lower than the end face of described plug shell, and be close to the inner peripheral wall of described plug shell, make to form hermetically-sealed construction between the inner peripheral wall of the outer circle wall of described hollow rubber plug and described plug shell.
4. a kind of Needleless dosing transfusion positive-pressure joint according to claim 1, is characterized in that: the bottom surface of described plug outer casing inner wall is provided with a straight type groove, two described exhaustors all with the grafting of described straight type groove.
5. a kind of Needleless dosing transfusion positive-pressure joint according to claim 1, it is characterized in that: described plug inner core, comprise the inner core body fixed with the grafting of described hollow rubber plug inner peripheral wall and with the inner core flange being positioned at described inner core body top, the bottom surface of described inner core flange and the end face of described hollow rubber plug are fixed.
6. a kind of Needleless dosing transfusion positive-pressure joint according to claim 5, is characterized in that: the center of the end face of described plug inner core is provided with inlet.
7. a kind of Needleless dosing transfusion positive-pressure joint according to claim 1, is characterized in that: the outer circle wall of described shell upper end is socketed with and screws lid.
8. a kind of Needleless dosing transfusion positive-pressure joint according to claim 1, it is characterized in that: described shell, described plug shell and described stub (tube) are made by medical Merlon, described plug inner core is made up of medical polyformaldehyde, and described hollow rubber plug is made up of medical silica-gel.
9. a kind of Needleless dosing transfusion positive-pressure joint according to claim 1, it is characterized in that: the outer circle wall of described shell is also connected with a chemical feed pipe, described chemical feed pipe is communicated with at least one longitudinal drainage trough between the outer circle wall and the inner peripheral wall radial direction of described shell of described plug shell.
10. a kind of Needleless dosing transfusion positive-pressure joint according to claim 9, is characterized in that: the outer circle wall of described chemical feed pipe is socketed with and screws lid.
CN201420716504.9U 2014-11-25 2014-11-25 A kind of Needleless dosing transfusion positive-pressure joint Withdrawn - After Issue CN204275156U (en)

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Application Number Priority Date Filing Date Title
CN201420716504.9U CN204275156U (en) 2014-11-25 2014-11-25 A kind of Needleless dosing transfusion positive-pressure joint

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Application Number Priority Date Filing Date Title
CN201420716504.9U CN204275156U (en) 2014-11-25 2014-11-25 A kind of Needleless dosing transfusion positive-pressure joint

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CN204275156U true CN204275156U (en) 2015-04-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104353148A (en) * 2014-11-25 2015-02-18 上海康德莱企业发展集团医疗器械有限公司 Positive-pressure joint for needleless medicated transfusion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104353148A (en) * 2014-11-25 2015-02-18 上海康德莱企业发展集团医疗器械有限公司 Positive-pressure joint for needleless medicated transfusion
CN104353148B (en) * 2014-11-25 2016-10-05 上海康德莱企业发展集团医疗器械有限公司 A kind of Needleless dosing transfusion positive-pressure joint

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CP03 Change of name, title or address

Address after: 201812 Shanghai city Jiading District Jinyuan Road No. 925 Building 2

Patentee after: SHANGHAI KINDLY MEDICAL INSTRUMENTS CO., LTD.

Address before: 201803 No. 658, high tide Road, Shanghai, Jiading District

Patentee before: Medical Equipment Co., Ltd., Shanghai Kangdelai Enterprise Development Group

AV01 Patent right actively abandoned

Granted publication date: 20150422

Effective date of abandoning: 20161005

C25 Abandonment of patent right or utility model to avoid double patenting