CN208893335U - Micro pump extension tube - Google Patents
Micro pump extension tube Download PDFInfo
- Publication number
- CN208893335U CN208893335U CN201721508532.1U CN201721508532U CN208893335U CN 208893335 U CN208893335 U CN 208893335U CN 201721508532 U CN201721508532 U CN 201721508532U CN 208893335 U CN208893335 U CN 208893335U
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- Prior art keywords
- shell
- micro pump
- extension tube
- filtering material
- material layer
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Abstract
The utility model relates to medical transfusion fields, disclose a kind of micro pump extension tube, which includes perfusion tube and filter, and filter includes first shell, second shell and filtering material layer；First shell and second shell are coupled to form sealing cavity, are wherein formed with the inlet being connected with sealing cavity on the annular sidewall of first shell；The liquid outlet being connected with sealing cavity is formed on the annular sidewall of second shell；Filtering material layer is fixed in sealing cavity, and is located in the liquid inlet between liquid outlet；Inlet extends outward to form the liquid feeding end being connected with perfusion tube；Liquid outlet extends outward to form out liquid free end；Liquid feeding end and out liquid free end it is outwardly extending contrary.The micro pump extension tube changes flow direction of the medical fluid relative to filtering material layer, reduces medical fluid for the direct impact force of filtering material layer by changing the setting position of inlet and liquid outlet in filter housings.
Description
Technical field
The utility model relates to medical transfusion fields, more particularly to a kind of micro pump extension tube.
Background technique
Extension tube is clinically mainly used for connecting with infusion apparatus or syringe treats for venoclysis, traditional extension
Pipe includes perfusion tube and filter, and wherein filter includes shell and the filtering material layer that is fixed in the shell, in order to
Convenient for packing, transporting, usually in extension tube, especially micro pump extension tube, the size of used filter is relatively small,
And the filtering material layer being located therein is perpendicular to the extending direction setting of the perfusion tube.
It is more in disposable input at present in order to preferably protect the skin and blood vessel of patient with the development of medical industry
When bottle liquid medicine, same root perfusion tube is usually used, the mode for replacing different medical fluids packaging is infused, and existing is at this time prolonged
There may be following problems for the use of long tube, particularly micro pump extension tube: (1) filtering material layer area is smaller in filter,
It is passed through medical fluid for a long time, filter effect is deteriorated；(2) filtering material layer front is passed through medical fluid in the flow direction of medical fluid for a long time,
The impact force of medical fluid may local failure filtering material layer.
Utility model content
The purpose of the utility model is to provide a kind of micro pump extension tubes to be suitable for optimizing micro pump extension tube structure
Medical use demand.
To achieve the goals above, the utility model provides a kind of micro pump extension tube, which includes defeated
Liquid pipe and filter, the filter include first shell, second shell and filtering material layer；The first shell and
Two shells are coupled to form sealing cavity, wherein being formed on the annular sidewall of the first shell and the sealing cavity phase
The inlet of connection；The liquid outlet being connected with the sealing cavity is formed on the annular sidewall of the second shell；It is described
Filtering material layer is fixed in the sealing cavity, and between the inlet and the liquid outlet；The inlet to
The liquid feeding end being connected with the perfusion tube is extended to form outside；The liquid outlet extends outward to form out liquid free end；The feed liquor
End is outwardly extending contrary with the liquid free end out.
Preferably, it is formed with the clamp structure being coupled in the opposite side of the first shell and the second shell,
The filtering material layer is fixed in the clamp structure.
Preferably, first annular step portion is formed with inside the annular sidewall of the first shell, the second shell
Annular sidewall is externally formed with the second annular step, the first annular step portion and second annular step cooperation card
It connects, and as the fixed filtering material layer of the clamp structure.
Preferably, the first shell includes bottom wall and annular sidewall, and the bottom wall is sealed in the one of the annular sidewall
Side, and one or several hemispherical supporters are formed on the inner surface of the bottom wall.
Preferably, the liquid feeding end extends to form part along the bottom wall of the first shell and protrudes from the first shell
The bottom wall outer surface of body forms feed pathway.
Preferably, the hemispherical supporter is multiple, and multiple hemispherical supporters be symmetrically disposed in it is described
The two sides of feed pathway.
Preferably, the second shell includes bottom wall and annular sidewall, and the bottom wall has hollow frustum structure, described
The big end of frustum structure is connected with the inner surface of the annular sidewall.
Preferably, the liquid free end out passes through the annular sidewall and tapered surface phase in the bottom wall of the second shell
Even.
Preferably, the liquid feeding end is detachably connected with the perfusion tube, and in the liquid feeding end and the perfusion tube
Junction is formed with the helicitic texture being coupled.
Preferably, the diameter of the filtering material layer is 10-15 times of the infusion pipe diameter.
Using a kind of micro pump extension tube of the utility model above-mentioned technical proposal, by changing inlet in filter housings
With the setting position of liquid outlet, change flow direction of the medical fluid relative to filtering material layer, reduces medical fluid for filtering material layer
Direct impact force, be conducive to avoid micro pump extension tube for a long time in use, medical fluid impacts the damage to filtering material layer, with
Suitable for medical use demand.
Meanwhile the utility model micro pump extension tube, by the setting for changing inlet and liquid outlet in filter housings
Position can make the place plane of filtering material layer be basically parallel to the extending direction of perfusion tube, and by setting filter
It is set to flat structure, so that it may in the case where excessively not increasing filter occupied area, increase the area of filtering material layer,
And then the long-time for being suitable for medical fluid passes through, and optimizes the filter effect of filter.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 shows a kind of main view schematic diagram of micro pump extension tube according to the present utility model；
Fig. 2 shows a kind of rearview structural representations of micro pump extension tube according to the present utility model；
Fig. 3 shows a kind of the side view figure structure schematic representation of micro pump extension tube according to the present utility model.
Description of symbols
10 it is first shell, 11 be liquid feeding end, 12 be hemispherical support portion, 13 be infusion channel, 20 is second shell, 21
To go out liquid free end, 30 being filtering material layer.
Specific embodiment
Specific embodiment of the present utility model is described in detail below.It should be understood that described herein
Specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as "inner", "outside" typically refers to
Such as relative positional relationship in attached Fig. 1 and 2, this relative positional relationship are not intended to limit the utility model.
In the present invention, a kind of micro pump extension tube is provided, which includes perfusion tube and filtering
Device, the filter include first shell 10, second shell 20 and filtering material layer 30；The first shell 10 and second
Shell 20 is coupled to form sealing cavity, wherein being formed on the annular sidewall of the first shell 10 and the sealing cavity
The inlet being connected；The liquid outlet being connected with the sealing cavity is formed on the annular sidewall of the second shell 20；
The filtering material layer 30 is fixed in the sealing cavity, and between the inlet and the liquid outlet；It is described into
Liquid mouth extends outward to form the liquid feeding end 11 being connected with the perfusion tube；The liquid outlet extends outward to form out liquid free end
21；The liquid feeding end 11 and it is described go out liquid free end 21 it is outwardly extending contrary.
This micro pump extension tube provided by the utility model, by changing inlet and liquid outlet in filter housings
Setting position, change flow direction of the medical fluid relative to filtering material layer, medical fluid is to be basically parallel in actual operation
The direction of filtering material layer is filtered device, then penetrates filtering material layer, in the outflow to be basically parallel to filtering material layer,
Medical fluid be can effectively reduce in this way for the direct impact force of filtering material layer, be conducive to that micro pump extension tube is avoided to use for a long time
When, medical fluid impacts the damage to filtering material layer, to be suitable for medical use demand.
It can be in the first shell 10 and described for the ease of the installation of filtering material layer according to the utility model
The clamp structure being coupled is formed in the opposite side of two shells 20, the filtering material layer is fixed on the clamp structure
In.In order to simplify the structure of the filter, under preferable case, the first ring is formed on the inside of the annular sidewall of the first shell 10
The annular sidewall outside of shape stage portion, the second shell 20 is formed with the second annular step, the first annular step portion
Cooperate with second annular step and be clamped, and as the fixed filtering material layer of the clamp structure.
According to the utility model, the first shell 10 includes bottom wall and annular sidewall, and the bottom wall is sealed in the ring
The side of shape side wall；It is wherein covered in order to avoid filtering material layer on the bottom wall of first shell 10, under preferable case, described
One or several hemispherical supporters 12 are formed on the inner surface of bottom wall.
According to the utility model, for the ease of the flowing of medical fluid in the filter, and medical fluid is promoted to more uniformly spread, it is excellent
In the case of choosing, the liquid feeding end 11 extends to form part along the bottom wall of the first shell 10 and protrudes from the first shell
10 bottom wall outer surface forms feed pathway 13.
According to the utility model, in order to improve the stability of strutting system of filtering material layer, under preferable case, the hemispherical branch
Support body 12 is multiple (such as 4,6 or 8), and multiple hemispherical supporters 12 are symmetrically disposed in the feed liquor and lead to
The two sides in road 13.
According to the utility model, for the ease of the collection of the liquid filtered by filtering material layer, under preferable case, described
Two shells 20 include bottom wall and annular sidewall, and the bottom wall has hollow frustum structure, the big end of the frustum structure and institute
The inner surface for stating annular sidewall is connected.Under preferable case, the liquid free end 21 out passes through the annular sidewall and described second
Tapered surface is connected in the bottom wall of shell 20.
According to the utility model, by setting planar structure for bottom wall in first shell, and feed pathway is cooperatively formed,
Be conducive to promote the distribution of medical fluid more evenly, reduce impact of the medical fluid for filtering material, at the same time, by by second shell
Bottom wall be set as hollow frustum structure, be conducive to the collection to medical fluid, in order to which medical fluid can quickly pass through liquid outlet stream
Out.
According to the utility model, the liquid feeding end 11 is detachably connected with the perfusion tube, for the ease of improve it is described into
The disassembly convenience and mounting stability at liquid end 11 and the perfusion tube, under preferable case, the liquid feeding end 11 with it is described
The junction of perfusion tube is formed with the helicitic texture being coupled.Specifically, it is formed in the outer surface of 11 port of liquid feeding end
External screw thread, the inner surface in the connectivity port of the perfusion tube form internal screw thread, carry out forming the relationship of being threadedly engaged.In practical behaviour
In work, external screw thread can be formed on the outer surface of 12 port of liquid free end out, to be cooperatively connected with other perfusion tubes.
According to the utility model, wherein filter has flat structure, in order to the packaging and fortune of micro pump extension tube
It is defeated；Under preferable case, the diameter of the filtering material layer 30 is 10-15 times of the infusion pipe diameter, described under preferable case
The diameter of perfusion tube is 0.8-2mm in micro pump extension tube.
According to the utility model, wherein being formed with the installation being cooperatively connected with other components at the both ends of micro pump extension tube
Portion, in view of the improvement focused on to the filtration device structure in micro pump extension tube of the utility model, therefore not to micro
The other structures of pump extension tube are described in detail, and specifically can refer to the conventional arrangement mode of this field.
Preferred embodiments of the present invention are described in detail above, still, the utility model is not limited to above-mentioned reality
Apply the detail in mode, in the range of the technology design of the utility model, can to the technical solution of the utility model into
The a variety of simple variants of row, these simple variants belong to the protection scope of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the utility model is to each
No further explanation will be given for the possible combination of kind.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (9)
1. micro pump extension tube, which is characterized in that the micro pump extension tube includes perfusion tube and filter, the filter packet
Include first shell (10), second shell (20) and filtering material layer (30)；The first shell (10) and second shell (20)
It is coupled to form sealing cavity, be connected wherein being formed on the annular sidewall of the first shell (10) with the sealing cavity
Logical inlet；The liquid outlet being connected with the sealing cavity is formed on the annular sidewall of the second shell (20)；Institute
It states filtering material layer (30) to be fixed in the sealing cavity, and between the inlet and the liquid outlet；Along flat
Row plane, inlet where the filtering material layer extend outward to form the liquid feeding end being connected with the perfusion tube
(11), the liquid outlet extends outward to form out liquid free end (21)；The liquid feeding end (11) and it is described go out liquid free end (21)
It is outwardly extending contrary；
The clamp structure being coupled is formed in the opposite side of the first shell (10) and the second shell (20), it is described
Filtering material layer is fixed in the clamp structure.
2. micro pump extension tube according to claim 1, which is characterized in that inside the annular sidewall of the first shell (10)
It is formed with first annular step portion, the annular sidewall of the second shell (20) is externally formed with the second annular step, described
First annular step portion and second annular step cooperation clamping, and as the fixed filtering material of the clamp structure
Layer.
3. micro pump extension tube according to claim 1 or claim 2, which is characterized in that the first shell (10) include bottom wall and
Annular sidewall, the bottom wall are sealed in the side of the annular sidewall, and be formed on the inner surface of the bottom wall one or
Several hemispherical supporters (12).
4. micro pump extension tube according to claim 3, which is characterized in that the liquid feeding end (11) is along the first shell
(10) bottom wall extends to form bottom wall outer surface formation feed pathway (13) that part protrudes from the first shell (10).
5. micro pump extension tube according to claim 4, which is characterized in that the hemispherical supporter (12) is multiple, and
Multiple hemispherical supporters (12) are symmetrically disposed in the two sides of the feed pathway (13).
6. micro pump extension tube according to claim 1 or claim 2, which is characterized in that the second shell (20) include bottom wall and
Annular sidewall, the bottom wall have hollow frustum structure, the inner surface of the big end of the frustum structure and the annular sidewall
It is connected.
7. micro pump extension tube according to claim 6, which is characterized in that described liquid free end (21) out pass through the annular
Side wall is connected with tapered surface in the bottom wall of the second shell (20).
8. micro pump extension tube according to claim 1 or claim 2, which is characterized in that the liquid feeding end (11) and the perfusion tube
It is detachably connected, and is formed with the helicitic texture being coupled in the junction of the liquid feeding end (11) and the perfusion tube.
9. micro pump extension tube according to claim 1 or claim 2, which is characterized in that the diameter of the filtering material layer (30) is
10-15 times of the infusion pipe diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721508532.1U CN208893335U (en) | 2017-11-13 | 2017-11-13 | Micro pump extension tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721508532.1U CN208893335U (en) | 2017-11-13 | 2017-11-13 | Micro pump extension tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208893335U true CN208893335U (en) | 2019-05-24 |
Family
ID=66564700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721508532.1U Active CN208893335U (en) | 2017-11-13 | 2017-11-13 | Micro pump extension tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208893335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715231A (en) * | 2017-11-13 | 2018-02-23 | 浙江衢州荣博医疗器材有限公司 | Micro pump extension tube |
-
2017
- 2017-11-13 CN CN201721508532.1U patent/CN208893335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715231A (en) * | 2017-11-13 | 2018-02-23 | 浙江衢州荣博医疗器材有限公司 | Micro pump extension tube |
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