CN201880205U - Integrated germproof needle-less closed transfusion joint - Google Patents
Integrated germproof needle-less closed transfusion joint Download PDFInfo
- Publication number
- CN201880205U CN201880205U CN2010205852132U CN201020585213U CN201880205U CN 201880205 U CN201880205 U CN 201880205U CN 2010205852132 U CN2010205852132 U CN 2010205852132U CN 201020585213 U CN201020585213 U CN 201020585213U CN 201880205 U CN201880205 U CN 201880205U
- Authority
- CN
- China
- Prior art keywords
- tube body
- elasticity
- barrel mast
- integrated
- fungi
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an integrated germproof needle-less closed transfusion joint, comprising an upper pipe body and a lower pipe body, wherein the upper pipe body is internally provided with an upper section of small pore channel and a lower section of large pore channel; the two pore channels are concentric; the lower pipe body is also internally provided with an upper section of large pore channel and a lower section of small pore channel that are arranged concentrically; the lower end of the upper pipe body is connected with the upper section of the pore channel of the lower pipe body; the transfusion joint also comprises an elastic movable core that comprises an integrally formed elastic cylinder column and a movable end; the elastic movable core is internally provided with a transfusion passage that is communicated with the upper pipe body and the lower pipe body; the upper end part and the lower end part of the movable end are correspondingly matched with the upper section of pore channel and the lower section of pore channel of the upper pipe body; the elastic cylinder column is an elastic hollow cylinder body whose height can be compressed in axial direction; and the bottom of the elastic cylinder column abuts against the jointing part of the upper section of pore channel and the lower section of pore channel of the lower pipe body. The integrated germproof needle-less closed transfusion joint has simple structure, is easy to produce and manufacture, can save material, is convenient to operate, and can prevent the bacteria from breeding.
Description
Technical field
This utility model relates to a kind of medical assistance apparatus, particularly a kind of integrated fungi-proofing Needleless seal transfusion joint.
Background technology
Development along with the venous transfusion technology, in recent years, the Needleless seal transfusion technology is widely used in clinical, so-called Needleless seal transfusion is meant except that with the trocar percutaneous veins beneath the skin being carried out the one-time puncture, make up a prescription, a series of clinical manipulations such as injection, transfusion, blood transfusion, blood drawing all no longer need to use scalp acupuncture puncture heparin lock, connect infusion channel and only adopt the needleless infusion connector, transfusion device, syringe are directly connected with the needleless infusion connector, and the needleless infusion connector provides passage and injection port for transfusion.
But existing at present needleless infusion connector ubiquity following defective: complex structure, complex operation; Medicinal liquid is easy to contaminated when flowing through transfusion path in the joint; Seal is relatively poor, causes medicinal liquid to leak easily; Venous return phenomenon etc. can appear.
Utility model patent " the Needleless seal transfusion joint " (patent No.: 200720170109.5) disclose a kind of infusion connector is authorized by China, comprise upper tube body, lower tube body, slide core and spring, the upper end of lower tube body is placed in the upper tube body lower end, and the position that the upper tube body sidewall is positioned at lower tube body is provided with through hole and forms gas passage with the lower tube body wall; Be provided with slide core moving up and down in the upper tube body, its outer wall is provided with a sealing ring and seals mutually with upper tube body, and this slide core bottom and upper tube body form an annular space and be used for putting spring, are provided with the upper and lower body of T-shape channel connection in this slide core.The shortcoming of this infusion connector is: when (1) syringe was connected with this infusion connector, to pressing down, spring became compressive state with slide core, at this moment, because the effect of spring restoring force, be easy to cause separating of syringe and infusion connector, it is very inconvenient to make medical personnel operate; (2) when this infusion connector is in non-working condition, the part that slide core is used for being connected with syringe exposes to air, and it is contaminated to make that this part is easy to, and infects thereby cause transfusion; (3) when this infusion connector is in user mode, thereby the whole transfusion path of through hole conducting on the elastic sealing gasket is passed in the lower end of slide core, yet elastic sealing gasket has increased the resistance when slide core moves down, and brings unhandy problem.
The utility model content
The purpose of this utility model provide a kind of simple in structure, be easy to manufacture, save material, and the fungi-proofing Needleless seal transfusion joint of handled easily.
The technical solution of the utility model can realize by following technical measures:
A kind of integrated fungi-proofing Needleless seal transfusion joint comprises upper tube body and lower tube body, has up-small and down-big two sections concentric ducts in the described upper tube body; Have up big and down small two sections concentric ducts in the described lower tube body; The lower end of described upper tube body is connected with the epimere duct of lower tube body, also comprise the elasticity slide core, described elasticity slide core comprises one-body molded elasticity barrel mast of making and movable termination, and described elasticity slide core inside is provided with infusion channel and is communicated with described upper tube body and lower tube body; The upper and lower end portion of described movable termination is corresponding adaptive with the upper and lower sector hole road of upper tube body respectively, described elasticity barrel mast is the empty cylindrical shell of the elasticity that can compress its height vertically, and the bottom of described elasticity barrel mast is butted on the junction, upper and lower two sector hole road of described lower tube body.
The junction in the upper and lower sector hole road of described lower tube body is a step, and the bottom of elasticity barrel mast is chimeric fixing through the groove of being located on the step; Or through the flanging of the lower end of upper tube body roof pressure elasticity barrel mast bottom on step.
The axial section of the barrel of described elasticity barrel mast is wavy, thereby this elasticity barrel mast can compress the height of its barrel mast vertically.
The outer mural margin of the upper and lower end of described movable termination is equipped with and is used to the annular ridge that prevents that medicinal liquid from leaking, and annular ridge closely is contacted with the upper and lower sector hole road inwall of upper tube body.
Described movable termination is and the integrated solid of elasticity barrel mast, the movable end centriciput setting port of radially infusing, the axial transfusion port that bottom, movable termination is provided with and elasticity barrel mast inner chamber connects, described radially port, axial port and elasticity barrel mast inner chamber connect and form infusion channel, communicate with the hypomere duct of lower tube body.
Described movable termination is by forming with integrated tubular body of elasticity barrel mast and hard core body, the hard core body tightly is embedded in the tubular body, hard core body and tubular body middle part are provided with the transfusion port that radially connects, the axial transfusion port that hard core body bottom is provided with and elasticity barrel mast inner chamber connects, described radially port, axial port and elasticity barrel mast inner chamber connect and form infusion channel, communicate with the hypomere duct of lower tube body.
The hypomere duct hole wall of described upper tube body is provided with the exhaust structure that air in this duct can be discharged, described exhaust structure comprises steam vent on the hypomere duct hole wall of being located at upper tube body, is in the exhaust passage of upper tube body and lower tube body connecting portion, described exhaust passage communicates with the external world, and described steam vent is communicated with the exhaust passage.
Set up lid, be connected by movable connection structure between described lid and the upper tube body, be provided with fungi-proofing pad in lid, fungi-proofing pad can prevent growing of antibacterial in the confined space of lid, described lid inner top has holding tank, and described fungi-proofing pad is arranged in the described holding tank.
Described elasticity barrel mast also is with a spring outward, and the junction, upper and lower two sector hole road of described bottom, movable termination and lower tube body is withstood at the two ends of described spring respectively.
Compared with prior art, the utlity model has following significant effect:
1. the elasticity slide core in this utility model infusion connector has replaced original spring and inflexible slide core, function as the conducting transfusion, simultaneously, because directly being set on the lateral wall of the barrel mast of this elasticity slide core, the leakproof convex line is used to replace O RunddichtringO in original infusion connector, play the function of leakproof, therefore, to compare original infusion connector simple for processing technology;
2. in addition, owing to can on sealing ring, produce spue line in the manufacturing process of original O RunddichtringO, and the existence meeting of spue line generates dislocation on the surface of O RunddichtringO, burr, defectives such as starved, the danger of leakage will directly be caused, and this utility model adopts the mode that convex line is set at the barrel mast edge of elasticity slide core, not only play the function of leakproof, simultaneously owing to can avoid producing spue line in the generative process of convex line, thereby further guarantee leakproof and seal, simultaneously, because the lower end barrel mast of this elasticity slide core is clamped in the upper tube body of this infusion connector and the junction of lower tube body, thereby prevent two slit leakages between the cylindrical shell, thereby adopt this structure to replace O RunddichtringO in original infusion connector;
3. of the present utility model simple in structure, be easy to produce and install, save material, practical, can be widely used in each medical institutions.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment one of the fungi-proofing Needleless seal transfusion joint of this utility model;
Fig. 2 is the user mode figure of specific embodiment one shown in Figure 1;
Fig. 3 is the structural representation of specific embodiment of the utility model two;
Fig. 4 is the user mode figure of specific embodiment two shown in Figure 3;
Fig. 5 is the structural representation of specific embodiment of the utility model three;
Fig. 6 is the structural representation of specific embodiment of the utility model four.
The specific embodiment
Show a specific embodiment of the integrated fungi-proofing Needleless seal transfusion joint of the present invention as Fig. 1, Fig. 2, comprise upper tube body 1, lower tube body 2 and elasticity slide core 3, have up-small and down-big two sections concentric ducts in the upper tube body 1, wherein epimere duct 11 is used for being connected with the syringe front end; Have up big and down small two sections concentric ducts in the lower tube body, wherein hypomere duct 22 is used for being connected with tube for transfusion; The lower end of upper tube body 1 is connected with the epimere duct 21 of lower tube body 2.Elasticity slide core 3 comprises one-body molded elasticity barrel mast of making 33 and movable termination, and elasticity slide core inside is provided with infusion channel and is communicated with described upper tube body and lower tube body; The upper part 31 and the end portion 32 of movable termination are not corresponding adaptive with the epimere duct 11 and the hypomere duct 12 of upper tube body, elasticity barrel mast 33 is the empty cylindrical shell of the elasticity that can compress its height vertically, and the bottom of elasticity barrel mast 33 is butted on the epimere duct 21 of lower tube body and the junction in hypomere duct 22.
The movable termination of this elasticity slide core 3 and elasticity barrel mast 33 all adopt elastic silica gel to be made.The junction in the upper and lower sector hole road of lower tube body is a step 23, and step 23 places are provided with an annular groove 24, and the bottom of elasticity barrel mast 3 is chimeric fixing through the groove of being located on the step 24.Perhaps, also can adopt as shown in Figure 6 mode: the flanging 34 of these elasticity barrel mast 33 bottoms of the lower end roof pressure of upper tube body 1 is on step 23.
The outer mural margin of the upper and lower end of movable termination is equipped with and is used to the annular ridge 9,10 that prevents that medicinal liquid from leaking, and annular ridge closely is contacted with the upper and lower sector hole road inwall of upper tube body.
Movable termination is and elasticity barrel mast 33 integrated solids, the movable end centriciput setting port 42 of radially infusing, the axial transfusion port 43 that bottom, movable termination is provided with and elasticity barrel mast inner chamber connects, radially port 42, axial port 43 and elasticity barrel mast inner chamber 44 connect and form infusion channel, communicate with the hypomere duct 22 of lower tube body 2.
Hypomere duct 12 hole walls of upper tube body 1 are provided with the exhaust structure that air in this duct can be discharged, in the present embodiment, exhaust structure comprises the steam vent of being located on 12 hole walls of upper tube body 1 hypomere duct 13, the exhaust passage 14 that is in upper tube body 1 and lower tube body 2 connecting portions, exhaust passage 14 communicates with the external world, and steam vent 13 is communicated with exhaust passage 14.Upper tube body 1 is connected by bonding or fusing mode with lower tube body 2, and exhaust structure is between upper tube body 1 and lower tube body 2 screw connection structures, and wherein, exhaust passage 14 is annular spaces, and steam vent 13 can be offered a plurality of along hypomere duct 11 hole walls.
Set up a lid 5 that is used to block the upper tube body 1 upper end mouth of pipe, be connected by movable connection structure between lid 5 and the upper tube body 1, in the present embodiment, movable connection structure between lid 5 and the upper tube body 1 is a screw connection structure, comprise female thread that is positioned on lid 5 medial walls and the external screw thread that is positioned on the upper tube body 1 upper end outer wall, internal and external screw thread is suitable.The present invention also is provided with connecting rope 8 between lid 5 and upper tube body 1.
Be provided with in the lid 5 and be used to prevent and the fungi-proofing pad 6 of syringe contact site bacteria breed that lid 5 inner tops have holding tank, fungi-proofing pad 6 is arranged in the holding tank, and in the present embodiment, fungi-proofing pad 6 adopts the organosilicon material that can discharge silver ion to make; The upper end mouth of pipe of upper tube body 1 is Rule tapering interface, and this interface is used for being connected with syringe front tab 7 close fit, and referring to Fig. 2, the top cylinder of elasticity slide core 3 has projection 41, and the joint 7 of being convenient to the syringe front end is replaced elasticity slide core 3.The mouth of pipe in the epimere duct 11 of upper tube body is to be used for Rule tapering interface of being connected with syringe front tab close fit.
Referring to Fig. 2, the use of the specific embodiment of the invention one is: when being in unused state, lid is positioned at the top of upper tube body, and the silver ion that fungi-proofing pad discharged can sterilize to the elasticity slide core top and the upper tube body upper end mouth of pipe, has guaranteed the sanitary condition with the syringe connecting portion; In use, take off lid, the joint of syringe front end is replaced the elasticity slide core, and the elasticity slide core moves down until the middle part of slide core barrel mast and leaves step in this upper tube body, and the bottom of elasticity barrel mast also support with lower tube body in prevent leakage in the groove of step.At this moment, the duct of radially infusing of elasticity slide core is positioned at the hypomere duct of upper tube body fully, and medicinal liquid flows in the hypomere duct of upper tube body, behind radially the infuse duct and the duct of axially infusing, flow into tube for transfusion that the lower tube body lower end is connected in, import at last in patient's body.
As another kind of improvement the of the present invention, show second kind of specific embodiment of the present invention as Fig. 3 and Fig. 4, in this embodiment in order to increase the elastic force of elasticity barrel mast 33, also be with a spring 4 outside the elasticity barrel mast, withstand respectively in the groove 24 in the step of junction, upper and lower two sector hole road of the end portion 32 of described movable termination and lower tube body at the two ends of spring 4.
As the third improved procedure of the present invention, as shown in Figure 5, movable termination is by forming with integrated tubular body 311 of elasticity barrel mast and hard core body 312, hard core body 312 tightly is embedded in the tubular body 311, hard core body 312 and tubular body 311 middle parts are provided with the transfusion port 42 that radially connects, the axial transfusion port 43 that hard core body bottom is provided with and elasticity barrel mast inner chamber connects, radially port 42, axial port 43 and elasticity barrel mast inner chamber 44 connect and form infusion channel, communicate with the hypomere duct of lower tube body.
Embodiment of the present utility model is not limited thereto; under the above-mentioned basic fundamental thought of this utility model prerequisite;, all drop within this utility model rights protection scope modification, replacement or the change of this utility model other various ways that content is made according to the ordinary skill knowledge of this area and customary means.
Claims (9)
1. an integrated fungi-proofing Needleless seal transfusion joint comprises upper tube body and lower tube body, has up-small and down-big two sections concentric ducts in the described upper tube body; Have up big and down small two sections concentric ducts in the described lower tube body; The lower end of described upper tube body is connected with the epimere duct of lower tube body, it is characterized in that: also comprise the elasticity slide core, described elasticity slide core comprises one-body molded elasticity barrel mast of making and movable termination, and described elasticity slide core inside is provided with infusion channel and is communicated with described upper tube body and lower tube body; The upper and lower end portion of described movable termination is corresponding adaptive with the upper and lower sector hole road of upper tube body respectively, described elasticity barrel mast is the empty cylindrical shell of the elasticity that can compress its height vertically, and the bottom of described elasticity barrel mast is butted on the junction, upper and lower two sector hole road of described lower tube body.
2. integrated fungi-proofing Needleless seal transfusion joint according to claim 1 is characterized in that: the junction in the upper and lower sector hole road of described lower tube body is a step, and the bottom of elasticity barrel mast is chimeric fixing through the groove of being located on the step; Or through the flanging of the lower end of upper tube body roof pressure elasticity barrel mast bottom on step.
3. integrated fungi-proofing Needleless seal transfusion joint according to claim 2, it is characterized in that: the axial section of the barrel of described elasticity barrel mast is wavy, thus this elasticity barrel mast can compress the height of its barrel mast vertically.
4. according to claim 1 or 3 described integrated fungi-proofing Needleless seal transfusion joints, it is characterized in that: the outer mural margin of the upper and lower end of described movable termination is equipped with and is used to the annular ridge that prevents that medicinal liquid from leaking, and annular ridge closely is contacted with the upper and lower sector hole road inwall of upper tube body.
5. integrated fungi-proofing Needleless seal transfusion joint according to claim 4, it is characterized in that: described movable termination is and the integrated solid of elasticity barrel mast, the movable end centriciput setting port of radially infusing, the axial transfusion port that bottom, movable termination is provided with and elasticity barrel mast inner chamber connects, described radially port, axial port and elasticity barrel mast inner chamber connect and form infusion channel, communicate with the hypomere duct of lower tube body.
6. integrated fungi-proofing Needleless seal transfusion joint according to claim 4, it is characterized in that: described movable termination is by forming with integrated tubular body of elasticity barrel mast and hard core body, the hard core body tightly is embedded in the tubular body, hard core body and tubular body middle part are provided with the transfusion port that radially connects, the axial transfusion port that hard core body bottom is provided with and elasticity barrel mast inner chamber connects, described radially port, axial port and elasticity barrel mast inner chamber connect and form infusion channel, communicate with the hypomere duct of lower tube body.
7. integrated fungi-proofing Needleless seal transfusion joint according to claim 4, it is characterized in that: the hypomere duct hole wall of described upper tube body is provided with the exhaust structure that air in this duct can be discharged, described exhaust structure comprises steam vent on the hypomere duct hole wall of being located at upper tube body, is in the exhaust passage of upper tube body and lower tube body connecting portion, described exhaust passage communicates with the external world, and described steam vent is communicated with the exhaust passage.
8. integrated fungi-proofing Needleless seal transfusion joint according to claim 7, it is characterized in that: set up lid, be connected by movable connection structure between described lid and the upper tube body, in lid, be provided with fungi-proofing pad, fungi-proofing pad can prevent growing of antibacterial in the confined space of lid, described lid inner top has holding tank, and described fungi-proofing pad is arranged in the described holding tank.
9. integrated fungi-proofing Needleless seal transfusion joint according to claim 8, it is characterized in that: described elasticity barrel mast also is with a spring outward, and the junction, upper and lower two sector hole road of described bottom, movable termination and lower tube body is withstood at the two ends of described spring respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205852132U CN201880205U (en) | 2010-10-29 | 2010-10-29 | Integrated germproof needle-less closed transfusion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205852132U CN201880205U (en) | 2010-10-29 | 2010-10-29 | Integrated germproof needle-less closed transfusion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201880205U true CN201880205U (en) | 2011-06-29 |
Family
ID=44177728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205852132U Expired - Fee Related CN201880205U (en) | 2010-10-29 | 2010-10-29 | Integrated germproof needle-less closed transfusion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201880205U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961514A (en) * | 2010-10-29 | 2011-02-02 | 李丹青 | Integrated bacteria-proof needle-less airtight infusion joint |
| CN104815364A (en) * | 2015-04-30 | 2015-08-05 | 苏州林华医疗器械有限公司 | Needleless connection piece |
| CN106730119A (en) * | 2017-02-17 | 2017-05-31 | 河南曙光汇知康生物科技股份有限公司 | A kind of transfusion needleless joint |
-
2010
- 2010-10-29 CN CN2010205852132U patent/CN201880205U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961514A (en) * | 2010-10-29 | 2011-02-02 | 李丹青 | Integrated bacteria-proof needle-less airtight infusion joint |
| CN101961514B (en) * | 2010-10-29 | 2012-08-22 | 李丹青 | Integrated bacteria-proof needle-less airtight infusion joint |
| CN104815364A (en) * | 2015-04-30 | 2015-08-05 | 苏州林华医疗器械有限公司 | Needleless connection piece |
| CN104815364B (en) * | 2015-04-30 | 2018-04-20 | 苏州林华医疗器械股份有限公司 | A kind of needleless connector |
| CN106730119A (en) * | 2017-02-17 | 2017-05-31 | 河南曙光汇知康生物科技股份有限公司 | A kind of transfusion needleless joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101961514B (en) | Integrated bacteria-proof needle-less airtight infusion joint | |
| CN103721321B (en) | A kind of automatic fitration syringe | |
| CN202751639U (en) | Positive-pressure and pin-free connection piece | |
| CN101648049B (en) | Medical forward flow connection device | |
| CN201880205U (en) | Integrated germproof needle-less closed transfusion joint | |
| CN103751878A (en) | Positive-pressure and non-needle connecting piece | |
| CN203609751U (en) | Countercurrent-resistant medical connector | |
| CN102580180B (en) | Disposable automatic liquid stopping infusion set and manufacturing method thereof | |
| CN103736174B (en) | A kind of two-way filtration syringe | |
| WO2015081802A1 (en) | Needle-less dosing infusion positive pressure connector | |
| CN103830795A (en) | Disposable automatic liquid stopping infusion set | |
| CN101357250B (en) | Connecting device for medical purposes | |
| CN201061638Y (en) | Non-needle enclosed transfusion joint | |
| CN201806995U (en) | Germproof needleless closed infusion joint | |
| CN203694266U (en) | Automatic filtering injector | |
| CN205586297U (en) | Needleless of taking one -way function adds medicine joint | |
| CN201880208U (en) | Medical check valve | |
| CN104353148A (en) | Positive-pressure joint for needleless medicated transfusion | |
| CN202822287U (en) | Needles-free joint | |
| CN212038597U (en) | Needleless positive pressure joint | |
| CN103418049B (en) | Needleless joint | |
| CN208905903U (en) | Seal wire guide | |
| CN205163788U (en) | Positive -pressure needle -free connecting piece | |
| CN205924697U (en) | Threaded exempts from needle and adds medicine connector | |
| CN206045089U (en) | A kind of resistance bacterium positive pressure remaining needle device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20131029 |