CN105310700B - Bubble collecting device and blood sample collector - Google Patents
Bubble collecting device and blood sample collector Download PDFInfo
- Publication number
- CN105310700B CN105310700B CN201510867231.7A CN201510867231A CN105310700B CN 105310700 B CN105310700 B CN 105310700B CN 201510867231 A CN201510867231 A CN 201510867231A CN 105310700 B CN105310700 B CN 105310700B
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- Prior art keywords
- shell
- cell
- bubble
- collecting device
- inlet
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150053—Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
- A61B5/150061—Means for enhancing collection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150351—Caps, stoppers or lids for sealing or closing a blood collection vessel or container, e.g. a test-tube or syringe barrel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150755—Blood sample preparation for further analysis, e.g. by separating blood components or by mixing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
Abstract
The present invention relates to technical field of medical instruments, more particularly, to a kind of bubble collecting device and blood sample collector.The bubble collecting device includes housing and cell-shell；Inlet and liquid outlet are provided with housing, feed tube is provided with housing, one end of feed tube connects with inlet, and has interval with inner walls；Cell-shell is the hollow housing of one end open, and cell-shell is located at outside feed tube, and interval is respectively provided between inner walls and the lateral wall of feed tube.Bubble collecting device in the present invention, before the collection tube that arterial blood does not enter into blood sample sampler, first the bubble in arterial blood is collected, by the blood and bubble separation in arterial blood, effectively reduce the air bubble content in blood tube arterial blood, influence of the bubble to the vim and vigour value of blood gas analysis is effectively reduced, improves precision of analysis.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly, to a kind of bubble collecting device and blood sample collector.
Background technology
Sample storing device piston is first defaulted to blood sampling scale by the human body artery blood sample collector of prior art before blood sampling, blood sampling
Blood sample automatically flows into sample storing device by the angiosthenia of patient in phase, there is a macromolecule material that can block liquid on the piston of sample storing device
Material, air can be discharged by it in blood sampling.The material is once soaked by blood, can rapidly expand, play and block air
Effect.
But blood sample collector of the prior art, due to also containing some bubble in arterial blood, with alveolate
Arterial blood is directly entered in sample storing device, and bubble also can be collected all in sample storing device, and arterial blood can not with bubble therein
Separation, bubble can cause unfavorable condition to later stage blood sample analysis, influence the vim and vigour value of blood gas analysis.
The content of the invention
It is an object of the invention to provide blood sample collector, with solve arterial blood present in prior art with it is therein
Bubble can not be separated, and bubble can cause unfavorable condition to later stage blood sample analysis, and the technology for influenceing the vim and vigour value of blood gas analysis is asked
Topic.
A kind of bubble collecting device provided by the invention, including housing and cell-shell；Inlet is provided with housing and goes out liquid
Mouthful, feed tube is provided with housing, one end of feed tube connects with inlet, and has interval with inner walls；Cell-shell is one
The hollow housing of end opening, cell-shell are located at outside feed tube, and between being respectively provided between inner walls and the lateral wall of feed tube
Every.
Further, the openend of cell-shell is less than the length of feed tube to the ultimate range of inlet.
Further, the distance of liquid outlet to inlet is more than the openend of cell-shell to the ultimate range of inlet.
Further, the density of the material of cell-shell is more than the density of water.
Further, cell-shell is polyurethane cell-shell.
Further, inlet is provided with outer cone female Luer, and outer cone female Luer connects for syringe needle.
Further, liquid outlet is provided with female cone female Luer, and female cone female Luer connects for collection tube.
Further, housing is in cylinder, and inlet and the liquid outlet are respectively arranged with two end faces of housing；Bubble
Shell and the feed tube are in cylinder.
Present invention also offers a kind of blood sample collector, in addition to syringe needle and collection tube, and above-mentioned bubble to collect dress
Put；The inlet of housing connects with syringe needle, the liquid outlet of housing and the inlet communication of collection tube.
Further, blood sample collector also includes closed joint, and the entrance point of closed joint and collection tube is detachably connected,
To seal collection tube.
Bubble collecting device provided by the invention, feed tube is provided with housing, and bubble-cap is covered with outside feed tube.
Flowed out when arterial blood is entered in feed tube from inlet, and from the other end of feed tube, so as to which cell-shell be boosted so that artery
Interval between the outer wall of inwall and feed tube of the blood along cell-shell flows downward, and is flowed out from the openend of cell-shell.Now, due to
The density variation of bubble and blood in arterial blood is larger, so, bubble can be stayed in cell-shell, and arterial blood can holding from cell-shell
The outflow of mouthful end, is flowed up along the interval between the inwall and cell-shell outer wall of housing, finally from liquid outlet flow out into
In the collection tube of blood sample collector.
Bubble collecting device in the present invention, before the collection tube that arterial blood does not enter into blood sample collector, first will
Bubble in arterial blood is collected, and by the blood and bubble separation in arterial blood, effectively reduces the gas in blood tube arterial blood
Content is steeped, influence of the bubble to the vim and vigour value of blood gas analysis is effectively reduced, improves precision of analysis.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of bubble collecting device provided in an embodiment of the present invention；
Fig. 2 is the configuration schematic diagram of bubble collecting device provided in an embodiment of the present invention；
Fig. 3 is the use state diagram of bubble collecting device provided in an embodiment of the present invention.
Reference：
1- housings；2- cell-shells；3- feed tubes；
4- bubbles；11- inlets；12- liquid outlets；
13- outer cone female Luers；14- female cone female Luers.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the structural representation of bubble collecting device provided in an embodiment of the present invention；Fig. 2 provides for the embodiment of the present invention
Bubble collecting device configuration schematic diagram.As depicted in figs. 1 and 2, a kind of bubble collecting device that the present embodiment provides,
Including housing 1 and cell-shell 2；Inlet 11 and liquid outlet 12 are provided with housing 1, feed tube 3, feed tube 3 are provided with housing 1
One end connected with inlet 11, and with the inwall of housing 1 have interval；Cell-shell 2 is the hollow housing 1 of one end open, and cell-shell 2 covers
It is located at outside feed tube 3, and with being respectively provided with interval between the lateral wall of the inwall of housing 1 and feed tube 3.
Wherein, the shape of housing 1 can be it is a variety of, such as：Square, cuboid or spheroid etc., it is preferred that shell
Body is in cylinder, and inlet 11 and the liquid outlet 12 are respectively arranged with two end faces of housing.
The material of housing 1 can be a variety of, such as：Plastics, stainless steel, aluminium alloy or glass etc..
The shape of cell-shell 2 can be a variety of, such as：Square, cuboid or round estrade etc..It is preferred that cell-shell 2 is in
Cylinder.
The cross sectional shape of feed tube 3 can be a variety of, such as：Circular, square or polygon etc..It is it is preferred that described
Feed tube 3 is in cylinder.
The material of cell-shell 2 can be a variety of, such as：Glass, stainless steel or metal foil etc..
Fig. 3 is the use state diagram of bubble collecting device provided in an embodiment of the present invention.As shown in figure 3, this implementation
The bubble collecting device that example provides, is provided with feed tube 3, and be covered with bubble-cap outside feed tube 3 in housing 1.
Flowed out when arterial blood is entered in feed tube 3 from inlet 11, and from the other end of feed tube 3, so as to by cell-shell 2
Boost so that the interval between the outer wall of inwall and feed tube 3 of the arterial blood along cell-shell 2 flows downward, from the opening of cell-shell 2
End outflow.
Now, because the bubble 4 in arterial blood and the density variation of blood are larger, so, bubble 4 can be stayed in cell-shell 2,
And arterial blood can flow out from the openend of cell-shell 2, flowed up along the interval between the inwall and the outer wall of cell-shell 2 of housing 1, most
Flowed out into afterwards from liquid outlet 12 into the collection tube of blood sample collector.
Bubble collecting device in the present embodiment, before the collection tube that arterial blood does not enter into blood sample collector, first
Bubble 4 in arterial blood is collected, the blood in arterial blood is separated with bubble 4, effectively reduced in blood tube arterial blood
The content of bubble 4, effectively reduce influence of the bubble 4 to the vim and vigour value of blood gas analysis, improve precision of analysis.
As Figure 1-3, on the basis of above-described embodiment, further, the openend of cell-shell 2 to inlet 11 most
Big distance is less than the length of feed tube 3.
When substantial amounts of arterial blood is flowed into cell-shell 2 out of feed tube 3, cell-shell 2 can be jacked up, in order to avoid arterial blood energy
Enough first flow into cell-shell 2, so, the openend of cell-shell 2 is less than the length of feed tube 3 to the ultimate range of inlet 11.
In other words, during the range that cell-shell 2 is promoted by arterial blood, the one end of feed tube 3 away from inlet 11 is located at
In cell-shell 2, so as to ensure that arterial blood is introduced into cell-shell 2, after the separation for carrying out blood and bubble 4, then flow from liquid outlet 12
Go out, reduce the content of bubble 4 in the arterial blood flowed out from shell 2 as far as possible.
As Figure 1-3, on the basis of above-described embodiment, further, in the present embodiment, liquid outlet 12 to feed liquor
The distance of mouth 11 is more than the openend of cell-shell 2 to the ultimate range of inlet 11.
Wherein, liquid outlet 12 set position can with many places, such as：The position or end of side wall, as long as liquid outlet
12 to inlet 11 distance be more than cell-shell 2 openend to inlet 11 ultimate range.
It is preferred that liquid outlet 12 is arranged on the end of housing 1, i.e. is oppositely arranged with inlet 11.
As shown in figure 3, in the present embodiment, because the distance of liquid outlet 12 to inlet 11 is more than the openend of cell-shell 2
To the ultimate range of inlet 11, so, after arterial blood enters to cell-shell 2, bubble 4 can rise to the top of cell-shell 2 and by
Collect, blood can along cell-shell 2 inwall and feed tube 3 inwall between interval to flowing down, then further along the outer of cell-shell 2
Finally flowed out to upstream from liquid outlet 12 at interval between wall and the inwall of housing 1.
So the distance outwards flowed is longer so that arterial blood is longer in the residence time of cell-shell 2, even when bubble
When shell 2 is pushed to range by arterial blood, can also give makes bubble 4 and blood provide disengaging time, reduction further
Bubble 4 in arterial blood, further improves precision of analysis.
On the basis of above-described embodiment, further, the density of the material of cell-shell 2 is more than the density of water.
In the present embodiment, the material for water being more than using density makes cell-shell 2, so, when artery flows into from feed tube 3
When in cell-shell 2, after cell-shell 2 is soaked by blood, easily will not be floated with arterial blood so that the openend of cell-shell 2 with
Some spaces slightly between inlet 11, so that arterial blood circulates.
Described, feed tube 3 is most of to be covered by bubble-cap, and arterial blood is just located at the upper of cell-shell 2 after being flowed out so as to feed tube 3
End, so as to collect the middle bubble 4 of arterial blood so that cell-shell 2 sufficiently separates blood and bubble 4.
On the basis of above-described embodiment, further, cell-shell 2 is polyurethane cell-shell.
In the present embodiment, the density of polyurethane is 1.2g/cm3, have and meet the characteristic that water is drowned oneself, blood gas can be ensured
Bubble 4 is reliably collected.
Further, since polyurethane is medical material, so, additionally it is possible to the security of bubble collecting device is improved, ensures gas
Steep the quality of collection device.
As Figure 1-3, on the basis of above-described embodiment, further, inlet 11 is provided with outer cone Rule and connect
Head, outer cone female Luer connect for syringe needle.
Further, liquid outlet 12 is provided with female cone Rule structure 14, and female cone Rule structure 14 connects for collection tube
It is logical.
In the present embodiment, connected using outer cone female Luer with syringe needle, utilize female cone Rule structure 14 and sampling
Pipe connects, and can be easy to user's Fast Installation and unloading, improve operating efficiency.
As Figure 1-3, present invention also offers a kind of blood sample collector, in addition to syringe needle and collection tube, and it is above-mentioned
Bubble collecting device；The inlet 11 of housing 1 connects with syringe needle, the liquid outlet 12 of housing 1 and the inlet communication of collection tube.
Wherein, the species of collection tube can be it is a variety of, such as：Collection tube can be negative tube etc..
The blood sample collector that the present embodiment provides, is provided with feed tube 3, and bubble is covered with outside feed tube 3 in housing 1
Cover, inlet 11 is connected with syringe needle, liquid outlet 12 connects with collection tube.Then, insert the needle into human vas.
Flowed out when arterial blood is entered in feed tube 3 from inlet 11, and from the other end of feed tube 3, so as to by cell-shell 2
Boost so that the interval between the outer wall of inwall and feed tube 3 of the arterial blood along cell-shell 2 flows downward, from the opening of cell-shell 2
End outflow.
Now, because the bubble 4 in arterial blood and the density variation of blood are larger, so, bubble 4 can be stayed in cell-shell 2,
And arterial blood can flow out from the openend of cell-shell 2, flowed up along the interval between the inwall and the outer wall of cell-shell 2 of housing 1, most
Flowed out into afterwards from liquid outlet 12 into the collection tube of blood sample collector.
Blood sample collector in the present embodiment, before the collection tube that arterial blood does not enter into blood sample collector, first will
Bubble 4 in arterial blood is collected, and the blood in arterial blood is separated with bubble 4, effectively reduced in blood tube arterial blood
The content of bubble 4, influence of the bubble 4 to the vim and vigour value of blood gas analysis is effectively reduced, improves precision of analysis.
On the basis of above-described embodiment, further, blood sample collector also includes closed joint, closed joint and collection
The entrance point of pipe is detachably connected, to seal collection tube.
When the arterial blood in sampling pipe is collected into default amount, user splits collection tube and gas collector
Open, closed joint is arranged on to the entrance point of collection tube, so as to which the entrance point of collection tube be sealed, in case follow-up blood sample analysis make
With.
In the present embodiment, the seal of tube will be gathered using closed joint, in order to avoid the arterial blood of introduced contaminants pollution collection tube,
Meanwhile the arterial blood in collection tube is also avoided to flow out.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of bubble collecting device, it is characterised in that including housing and cell-shell；Inlet is provided with the housing and goes out liquid
Mouthful, feed tube is provided with the housing, one end of the feed tube connects with the inlet, and has with the inner walls
There is interval；
The cell-shell is the hollow housing of one end open, and the cell-shell is located at outside the feed tube, and with the inner walls
Interval is respectively provided between the lateral wall of the feed tube.
2. bubble collecting device according to claim 1, it is characterised in that the openend of the cell-shell to the inlet
Ultimate range be less than the feed tube length.
3. bubble collecting device according to claim 2, it is characterised in that the distance of the liquid outlet to the inlet
More than the cell-shell openend to the inlet ultimate range.
4. according to the bubble collecting device described in claim any one of 1-3, it is characterised in that the density of the material of the cell-shell
More than the density of water.
5. bubble collecting device according to claim 4, it is characterised in that the cell-shell is polyurethane cell-shell.
6. bubble collecting device according to claim 1, it is characterised in that the inlet is provided with outer cone Rule and connect
Head, the outer cone female Luer connect for syringe needle.
7. bubble collecting device according to claim 1, it is characterised in that the liquid outlet is provided with female cone Rule and connect
Head, the female cone female Luer connect for collection tube.
8. bubble collecting device according to claim 4, it is characterised in that the housing is in cylinder, the housing
The inlet and the liquid outlet are respectively arranged with two end faces；The cell-shell and the feed tube are in cylinder.
9. a kind of blood sample collector, it is characterised in that also including syringe needle and collection tube, and such as any one of claim 1-8 institutes
The bubble collecting device stated；
The inlet of the housing connects with the syringe needle, the inlet communication of the liquid outlet of the housing and the collection tube.
10. blood sample collector according to claim 9, it is characterised in that also including closed joint, the closed joint with
The entrance point of the collection tube is detachably connected, to seal the collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867231.7A CN105310700B (en) | 2015-12-02 | 2015-12-02 | Bubble collecting device and blood sample collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867231.7A CN105310700B (en) | 2015-12-02 | 2015-12-02 | Bubble collecting device and blood sample collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105310700A CN105310700A (en) | 2016-02-10 |
| CN105310700B true CN105310700B (en) | 2017-11-24 |
Family
ID=55239709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510867231.7A Active CN105310700B (en) | 2015-12-02 | 2015-12-02 | Bubble collecting device and blood sample collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105310700B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204484133U (en) * | 2015-03-24 | 2015-07-22 | 山东省成武县医用制品厂 | A kind of vacuum test tube |
| CN204581307U (en) * | 2015-04-23 | 2015-08-26 | 赵丽 | A kind of vacuum test tube |
| CN204683622U (en) * | 2015-04-02 | 2015-10-07 | 河南省科隆医疗器械有限公司 | A kind of disposable blood taking tube of high security |
| CN205251550U (en) * | 2015-12-02 | 2016-05-25 | 吉林省沃鸿医疗器械制造有限公司 | Bubble collection device and blood collection ware |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004208888A (en) * | 2002-12-27 | 2004-07-29 | Matsushita Electric Ind Co Ltd | Blood sampling needle, blood sampling system using it, and blood sampling needle integrated sensor |
| DE102012214502B4 (en) * | 2012-08-14 | 2014-07-10 | Schildtec GmbH | Measuring chamber for an optically operating sensor, manufacturing method for the measuring chamber and optically operating sensor |
-
2015
- 2015-12-02 CN CN201510867231.7A patent/CN105310700B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204484133U (en) * | 2015-03-24 | 2015-07-22 | 山东省成武县医用制品厂 | A kind of vacuum test tube |
| CN204683622U (en) * | 2015-04-02 | 2015-10-07 | 河南省科隆医疗器械有限公司 | A kind of disposable blood taking tube of high security |
| CN204581307U (en) * | 2015-04-23 | 2015-08-26 | 赵丽 | A kind of vacuum test tube |
| CN205251550U (en) * | 2015-12-02 | 2016-05-25 | 吉林省沃鸿医疗器械制造有限公司 | Bubble collection device and blood collection ware |
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| Publication number | Publication date |
|---|---|
| CN105310700A (en) | 2016-02-10 |
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Denomination of invention: Bubble collection device and blood sample collector Effective date of registration: 20230907 Granted publication date: 20171124 Pledgee: Jilin Bank Co.,Ltd. Changchun Yatai Street Branch Pledgor: JILIN WOHONG MEDICAL INSTRUMENT MANUFACTURING CO.,LTD. Registration number: Y2023220000085 |
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