CN209361517U - Medical composite guide tube assembly - Google Patents
Medical composite guide tube assembly Download PDFInfo
- Publication number
- CN209361517U CN209361517U CN201821002432.6U CN201821002432U CN209361517U CN 209361517 U CN209361517 U CN 209361517U CN 201821002432 U CN201821002432 U CN 201821002432U CN 209361517 U CN209361517 U CN 209361517U
- Authority
- CN
- China
- Prior art keywords
- opening
- closing element
- level
- hollow posts
- puncture needle
- 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
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- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of medical composite guide tube assemblies, it including the internal catheter block for forming hollow posts chamber, is connected to the hose of catheter block front end and the puncture needle in the centre bore of hose is passed through and configured from hollow posts chamber, be provided on catheter block and the intracavitary side port being connected to of hollow posts；Conduit tube component further include be arranged in hollow posts it is intracavitary and be used for the outside overflow of anti-Hemostatic Oral Liquid barrier valve；By obstructing valve in the intracavitary setting of hollow posts, when puncture needle is extracted out from catheter block, hollow posts chamber can be formed and be effectively sealing off and obstruct, can effectively prevent blood back flow and outside overflow, prevent blood pollution.
Description
Technical field
The utility model relates to hospital's conduits to inject field, in particular to a kind of medical composite guide tube assembly.
Background technique
In field of medicaments, conduit tube component is suitable for for conduit being correctly placed in the vascular system of patient.Once merging is in place,
Conduit can be used to liquid of the patient's injection in need for the treatment of including physiological saline, drug and/or parenteral nutrient solution.
Conduit can be used for the case where body fluid or monitoring patient vessel's system are extracted from the circulatory system of patient.
In the prior art, conduit tube component includes soft conduit and the catheter block that connect with tube at one end, further includes puncturing
Steel needle, the needle stand for being installed with puncture needle and the connecting elements being connect with catheter block.Before use, puncture needle be plugged on it is soft
In conduit, and expose needle point, needle stand is connect by connecting elements with catheter block, in use, having the soft conduit of puncture needle
After puncturing successfully, need medical worker be punctured right above blood vessel on skin apply pressure with sealing blood vessels, then move back rapidly
Puncture needle out, insertion infusion closed joint.But the mode of operation needs medical staff's both hands to be fitted close, otherwise, once
Vessel closure is not firm, and blood is easy to draw with needle tubing and release is in catheter block when needle point enters catheter block, when puncture group
After part is separated from catheter block, overflow outside, is caused blood to pollute by blood, while also causing psychological fear to sufferer.
Utility model content
It is easy to operate in view of this, the present invention provides a kind of medical composite guide tube assembly, it can effectively obstruct blood
Outflow.
The medical composite guide tube assembly of the utility model including the internal catheter block for forming hollow posts chamber, is connected to and leads
The hose of tube socket front end and the puncture needle in the centre bore of hose is passed through and configured from hollow posts chamber, be provided on catheter block with
The side port of the intracavitary connection of hollow posts；
Conduit tube component further include be arranged in hollow posts it is intracavitary and be used for the outside overflow of anti-Hemostatic Oral Liquid barrier valve, obstruct valve packet
Outer valve and inner spool are included, outer valve outside fits closely fixation with catheter block inner wall circumference, and inner spool circumference is fixed at
Outer valve, outer valve and inner spool are outer to be arranged around puncture needle, is provided with level-one opening and closing element on outer valve, is provided on inner spool
What second level opening and closing element, level-one opening and closing element and second level opening and closing element were closed to open when puncture needle passes through, in puncture needle extraction
Mode is arranged.
Further, level-one opening and closing element opposite can open and close the valve body opened and closed by least two and constitute, and level-one opening and closing element is in valve body
It is pre-small post-large conical structure when closure.
Further, second level opening and closing element is that opposite can open and close the diaphragm opened and closed by least two to constitute, and second level opening and closing element is in film
It is spherical structure when piece is closed.
Further, the needle passageway passed through for puncture needle, level-one opening and closing element the rear part in closure are provided in outer valve
It is inside formed with and is connected to needle passageway and pre-small post-large conical cavity.
Further, the first opening and closing element and the second opening and closing element are made of elastic material.
The utility model has the beneficial effects that the medical composite guide tube assembly of the utility model, by intracavitary in hollow posts
Setting barrier valve can form hollow posts chamber and be effectively sealing off and obstruct, can effectively prevent when puncture needle is extracted out from catheter block
Hemostatic Oral Liquid adverse current and outside overflow prevent blood pollution.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the barrier valve arrangement schematic diagram in the utility model.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative positional relationship, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if
When the particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection scope in.
The utility model proposes a kind of medical composite guide tube assemblies.
- Fig. 2 referring to Fig.1, Fig. 1 are the utility model overall structure diagram, and Fig. 2 is that Fig. 2 is resistance in the utility model
Every valve arrangement schematic diagram, as shown in the figure: the medical composite guide tube assembly of the present embodiment, including internal formation hollow posts chamber 2
It catheter block, the hose 3 for being connected to catheter block front end and is passed through from hollow posts chamber 2 and the puncture in the centre bore that configured in hose 3
Needle 4 is provided with the side port 5 being connected to in hollow posts chamber 2 on catheter block；Conduit tube component further includes being arranged in hollow posts chamber 2 simultaneously
For the barrier valve of the outside overflow of anti-Hemostatic Oral Liquid, obstructing valve includes outer valve 6 and inner spool 7,6 outside of outer valve in catheter block
Wall circumference fits closely fixation, and 7 circumference of inner spool is fixed at outer valve 6, and outer valve 6 and inner spool 7 are outer around puncture needle 4
It is arranged, is provided with level-one opening and closing element 8 on outer valve 6, second level opening and closing element 9, level-one opening and closing element 8 and second level are provided on inner spool 7
Opening and closing element 9 is arranged in a manner of opening when puncture needle 4 passes through, being closed when puncture needle 4 is extracted out；In the present embodiment, to wear
Before the needle point direction of pricker 4 is, after the backshank direction with puncture needle 4 is, wherein external perfusion tube 13 at side port 5, on perfusion tube
Adapter 12 is also set up, is also equipped with needle stand 14 in the rear end of catheter block, the rear end of puncture needle 4 is fixed at needle stand
On, when hose 3 is punctured to predetermined position with puncture needle 4, operator can be by pulling needle stand to extract puncture needle 4 out；In
It being formed in void column chamber 2 for the valve shoulder to barrier valve limit, the main part of outer valve 6 is installed at valve shoulder, equally,
The valve seat for installing inner spool 7 is provided in outer valve 6, inner spool 7 is mounted at valve seat along axial limiting, 6 He of outer valve
Inner spool 7 is made up of medical flexible elastic material and realizes connection by interference fit, can pass through medical elastic rubber system
At.
In the present embodiment, level-one opening and closing element 8 opposite can open and close the valve body 10 opened and closed by least two and constitute, level-one opening and closing element
8 valve body 10 be closed when be pre-small post-large conical structure；Second level opening and closing element 9 is can opposite folding opening and closing by least two
Diaphragm 11 is constituted, and second level opening and closing element 9 is spherical structure when diaphragm 11 is closed；It is provided in outer valve 6 and passes through for puncture needle 4
Needle passageway 12, level-one opening and closing element 8 is formed in the rear part in closure and is connected to needle passageway 12 and pre-small post-large conical cavity
13；First opening and closing element and the second opening and closing element are made of elastic material；Level-one opening and closing element 8 on outer valve 6 by being integrally formed, second level
Opening and closing element 9 is integrally formed on inner spool 7, and level-one opening and closing element 8 and second level opening and closing element 9 are in the case where puncture needle 4 passes through state and beat
It opens, at this point, level-one opening and closing element 8 and second level opening and closing element 9 are softened, each valve body 10 of level-one opening and closing element 8 and second level opening and closing element 9
Each diaphragm 11 is contacted with the circumferential line that formed of puncture needle 4, and when puncture needle 4 is extracted, level-one opening and closing element 8 and second level open
Closing member 9 restores the closed state being in contact with each other to valve body 10 and diaphragm 11 under the elastic reaction of own material；Needle passageway 12 with
Puncture needle 4 has certain radial clearance, and the corresponding needle passageway 12 of second level opening and closing element 9 is arranged, when puncture needle 4 is in inner spool 7, two
The diaphragm 11 of grade opening and closing element 9 is softened and is entered in needle passageway 12 by support；In the present embodiment, level-one opening and closing element 8 is by four pieces of valve bodies 10
It constitutes, second level opening and closing element 9 is made of four block film pieces 11.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of medical composite guide tube assembly, it is characterised in that: including the internal catheter block for forming hollow posts chamber, be connected to and lead
The hose of tube socket front end and the puncture needle in the centre bore of hose is passed through and configured from hollow posts chamber, be arranged on the catheter block
Have and the intracavitary side port being connected to of hollow posts；
The conduit tube component further include be arranged in hollow posts it is intracavitary and be used for the outside overflow of anti-Hemostatic Oral Liquid barrier valve, the barrier
Valve includes outer valve and inner spool, and the outer valve outside fits closely fixation, the inner spool circle with catheter block inner wall circumference
It is fixed at outer valve week, the outer valve and the inner spool are arranged outside around puncture needle, are provided on the outer valve
Level-one opening and closing element, is provided with second level opening and closing element on the inner spool, the level-one opening and closing element and the second level opening and closing element with
The mode open when puncture needle passes through, being closed in puncture needle extraction is arranged.
2. medical composite guide tube assembly according to claim 1, it is characterised in that: the level-one opening and closing element is by least two
A valve body composition that opposite can open and close opening and closing, the level-one opening and closing element is pre-small post-large cone knot when the valve body is closed
Structure.
3. medical composite guide tube assembly according to claim 2, it is characterised in that: the second level opening and closing element is by least
Two diaphragm compositions that opposite can open and close opening and closing, the second level opening and closing element is spherical structure when the diaphragm is closed.
4. medical composite guide tube assembly according to claim 3, it is characterised in that: be provided with and be used in the outer valve
The needle passageway that puncture needle passes through, the level-one opening and closing element are formed in the rear part in closure and are connected to needle passageway and pre-small post-large
Conical cavity.
5. medical composite guide tube assembly according to claim 4, it is characterised in that: the level-one opening and closing element and described two
Grade opening and closing element is made of elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821002432.6U CN209361517U (en) | 2018-06-27 | 2018-06-27 | Medical composite guide tube assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821002432.6U CN209361517U (en) | 2018-06-27 | 2018-06-27 | Medical composite guide tube assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209361517U true CN209361517U (en) | 2019-09-10 |
Family
ID=67822682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821002432.6U Expired - Fee Related CN209361517U (en) | 2018-06-27 | 2018-06-27 | Medical composite guide tube assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209361517U (en) |
-
2018
- 2018-06-27 CN CN201821002432.6U patent/CN209361517U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20200627 |