CN105310700A - Bubble collecting device and blood sample collector - Google Patents
Bubble collecting device and blood sample collector Download PDFInfo
- Publication number
- CN105310700A CN105310700A CN201510867231.7A CN201510867231A CN105310700A CN 105310700 A CN105310700 A CN 105310700A CN 201510867231 A CN201510867231 A CN 201510867231A CN 105310700 A CN105310700 A CN 105310700A
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- shell
- cell
- collecting device
- bubble
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- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Pain & Pain Management (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a bubble collecting device and a blood sample collector. The bubble collecting device comprises a shell and a bubble shell. The shell is provided with a liquid inlet and a liquid outlet. A liquid inlet pipe is arranged in the shell. One end of the liquid inlet pipe is communicated with the liquid inlet and spaced from the inner wall of the shell. The bubble shell is a hollow shell with one open end. The bubble shell is arranged outside the liquid inlet pipe in a covering mode and spaced from the inner wall of the shell and the outer side wall of the liquid inlet pipe. According to the bubble collecting device, before arterial blood enters a collecting tube of the blood sample collector, bubbles in the arterial blood are collected, blood and the bubbles in the arterial blood are separated, the content of the bubbles in the arterial blood in blood vessels is effectively reduced, the influence on a blood gas value of blood gas analysis from the bubbles is effectively reduced, and accuracy of analysis results is improved.
Description
Technical field
The present invention relates to technical field of medical instruments, especially relate 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, in the blood sampling phase, blood sample flows into sample storing device automatically by the arterial pressure of patient, the piston of sample storing device there is a macromolecular material that can block liquid, when taking a blood sample by its air-out.This material, can undergoes rapid expansion once be soaked by blood, plays the effect blocking air.
But, blood sample sampler of the prior art, owing to also containing some bubble in arterial blood, alveolate arterial blood is with directly to enter in sample storing device, bubble also can all collect in sample storing device, arterial blood cannot be separated with bubble wherein, and bubble can cause disadvantageous condition to later stage blood sample analysis, affects the vim and vigour value of blood gas analysis.
Summary of the invention
The object of the present invention is to provide blood sample collector, cannot be separated with bubble wherein to solve the arterial blood existed in prior art, bubble can cause disadvantageous condition to later stage blood sample analysis, affects the technical problem of the vim and vigour value of blood gas analysis.
A kind of bubble collecting device provided by the invention, comprises housing and cell-shell; Housing is provided with inlet and liquid outlet, is provided with feed tube in housing, one end of feed tube is communicated with inlet, and and inner walls there is interval; Cell-shell is the hollow housing of one end open, and cell-shell is located at outside feed tube, and and all has interval between inner walls and the lateral wall of feed tube.
Further, opening to the ultimate range of inlet of cell-shell is less than the length of feed tube.
Further, liquid outlet to the distance of inlet is greater than the ultimate range of opening to inlet of cell-shell.
Further, the density of the material of cell-shell is greater 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 is used for syringe needle and is communicated with.
Further, liquid outlet is provided with female cone female Luer, and female cone female Luer is used for collection tube and is communicated with.
Further, shell is cylinder, and two end faces of shell are respectively arranged with inlet and described liquid outlet; Cell-shell and described feed tube are all in cylinder.
Present invention also offers a kind of blood sample collector, also comprise syringe needle and collection tube, and above-mentioned bubble collecting device; The inlet of housing is communicated with syringe needle, the liquid outlet of housing and the inlet communication of collection tube.
Further, blood sample collector also comprises closed joint, and the entrance point of closed joint and collection tube removably connects, to seal collection tube.
Bubble collecting device provided by the invention, is provided with feed tube in housing, and is covered with bubble-cap outside feed tube.When arterial blood enters to feed tube from inlet, and flow out from the other end of feed tube, thus cell-shell is boosted, arterial blood is flowed downward along the interval between the inwall and the outer wall of feed tube of cell-shell, flows out from the opening of cell-shell.Now, because the density variation of the bubble in arterial blood and blood is larger, so, bubble can be stayed in cell-shell, and arterial blood can flow out from the opening of cell-shell, upwards flowing in interval between the inwall and cell-shell outer wall of housing, finally flows out into the collection tube of blood sample sampler from liquid outlet.
Bubble collecting device in the present invention, do not enter to the collection tube of blood sample sampler in arterial blood before, first the bubble in arterial blood is collected, by the blood in arterial blood and bubble separation, effectively reduce the air bubble content in blood tube arterial blood, effectively reduce the impact of bubble on the vim and vigour value of blood gas analysis, improve precision of analysis.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the bubble collecting device that Fig. 1 provides for the embodiment of the present invention;
The detonation configuration schematic diagram of the bubble collecting device that Fig. 2 provides for the embodiment of the present invention;
The using state schematic diagram of the gas cylinder gathering-device that Fig. 3 provides for the embodiment of the present invention.
Reference numeral:
1-housing; 2-cell-shell; 3-feed tube;
4-bubble; 11-inlet; 12-liquid outlet;
13-outer cone female Luer; 14-female cone female Luer.
Detailed description of the invention
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
The structural representation of the bubble collecting device that Fig. 1 provides for the embodiment of the present invention; The detonation configuration schematic diagram of the bubble collecting device that Fig. 2 provides for the embodiment of the present invention.As depicted in figs. 1 and 2, a kind of bubble collecting device that the present embodiment provides, comprises housing 1 and cell-shell 2; Housing 1 is provided with inlet 11 and liquid outlet 12, is provided with feed tube 3 in housing 1, one end of feed tube 3 is communicated with inlet 11, and and housing 1 inwall there is interval; Cell-shell 2 is the hollow housing 1 of one end open, and cell-shell 2 is located at outside feed tube 3, and and all has interval between the lateral wall of housing 1 inwall and feed tube 3.
Wherein, the shape of housing 1 can be multiple, and such as: square, cuboid or spheroid etc., preferably, shell is cylinder, and two end faces of shell are respectively arranged with inlet 11 and described liquid outlet 12.
The material of housing 1 can be multiple, such as: plastics, rustless steel, aluminium alloy or glass etc.
The shape of cell-shell 2 can be multiple, such as: square, cuboid or Rotary-table etc.Preferably, cell-shell 2 is in cylinder.
The cross sectional shape of feed tube 3 can be multiple, such as: circular, square or polygon etc.Preferably, described feed tube 3 is all in cylinder.
The material of cell-shell 2 can be multiple, such as: glass, rustless steel or metal forming etc.
The using state schematic diagram of the gas cylinder gathering-device that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, the bubble collecting device that the present embodiment provides, is provided with feed tube 3 in housing 1, and is covered with bubble-cap outside feed tube 3.
When arterial blood enters to feed tube 3 from inlet 11, and flow out from the other end of feed tube 3, thus cell-shell 2 is boosted, arterial blood is flowed downward along the interval between the inwall and the outer wall of feed tube 3 of cell-shell 2, flows out from the opening of cell-shell 2.
Now, because the density variation of the bubble 4 in arterial blood and blood is larger, so, bubble 4 can be stayed in cell-shell 2, and arterial blood can flow out from the opening of cell-shell 2, upwards flowing in interval between the inwall and cell-shell 2 outer wall of housing 1, finally flows out into the collection tube of blood sample sampler from liquid outlet 12.
Bubble collecting device in the present embodiment, do not enter to the collection tube of blood sample sampler in arterial blood before, first the bubble 4 in arterial blood is collected, blood in arterial blood is separated with bubble 4, effectively reduce bubble 4 content in blood tube arterial blood, effectively reduce the impact of bubble 4 on 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, opening to the ultimate range of inlet 11 of cell-shell 2 is less than the length of feed tube 3.
When a large amount of arterial bloods flows in cell-shell 2 in feed tube 3, can by cell-shell 2 jack-up, in order to avoid arterial blood can first flow in cell-shell 2, so, make the opening of cell-shell 2 to the ultimate range of inlet 11 be less than the length of feed tube 3.
In other words, during the range that cell-shell 2 is promoted by arterial blood, feed tube 3 is positioned at cell-shell 2 away from one end of inlet 11, thus ensure that arterial blood is introduced into in cell-shell 2, after carrying out being separated of blood and bubble 4, flow out from liquid outlet 12 again, 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, the distance of liquid outlet 12 to inlet 11 is greater than the ultimate range of opening to inlet 11 of cell-shell 2.
Wherein, the position that liquid outlet 12 is arranged can many places, such as: the position of sidewall or end, as long as the distance of liquid outlet 12 to inlet 11 is greater than the ultimate range of opening to inlet 11 of cell-shell 2.
Preferably, liquid outlet 12 is arranged on the end of housing 1, that is, be oppositely arranged with inlet 11.
As shown in Figure 3, in the present embodiment, distance due to liquid outlet 12 to inlet 11 is greater than the ultimate range of opening to inlet 11 of cell-shell 2, so, after arterial blood enters to cell-shell 2, bubble 4 can rise to the top of cell-shell 2 and be collected, and blood can along the interval between the inwall of cell-shell 2 and the inwall of feed tube 3 to dirty, and then along the interval between the outer wall and housing 1 inwall of cell-shell 2 to upper reaches, finally flow out from liquid outlet 12.
So, distance is outwardly longer, the time that arterial blood is stopped at cell-shell 2 is longer, even when cell-shell 2 is pushed to range by arterial blood, also disengaging time can be provided to making bubble 4 and blood, bubble 4 in minimizing arterial blood further, improves precision of analysis further.
On the basis of above-described embodiment, further, the density of the material of cell-shell 2 is greater than the density of water.
In the present embodiment, the material using density to be greater than water makes cell-shell 2, like this, when tremulous pulse flows in cell-shell 2 from feed tube 3, after cell-shell 2 is soaked by blood, can not be floating with arterial blood easily, thus to make between the opening of cell-shell 2 and inlet 11 some space slightly, circulate for arterial blood.
Described, feed tube 3 major part is covered by bubble-cap, and arterial blood thus feed tube 3 are just positioned at the upper end of cell-shell 2 after flowing out, thus collect the middle bubble 4 of arterial blood, and blood is separated with bubble 4 by cell-shell 2 fully.
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/cm
3, there is the characteristic of meeting water and drowning oneself, can ensure that blood bubble 4 is collected reliably.
In addition, because polyurethane is medical material, so, the safety of bubble collecting device can also be improved, ensure the quality of bubble collecting device.
As Figure 1-3, on the basis of above-described embodiment, further, inlet 11 is provided with outer cone female Luer, and outer cone female Luer is used for syringe needle and is communicated with.
Further, liquid outlet 12 is provided with female cone Rule structure 14, and female cone Rule structure 14 is communicated with for collection tube.
In the present embodiment, utilize outer cone female Luer to be communicated with syringe needle, utilize female cone Rule structure 14 to be communicated with sampling tube, user Fast Installation and unloading can be convenient to, improve work efficiency.
As Figure 1-3, present invention also offers a kind of blood sample collector, also comprise syringe needle and collection tube, and above-mentioned bubble collecting device; The inlet 11 of housing 1 is communicated with syringe needle, the liquid outlet 12 of housing 1 and the inlet communication of collection tube.
Wherein, the kind of collection tube can be multiple, such as: collection tube can be negative tube etc.
The blood sample collector that the present embodiment provides, is provided with feed tube 3 in housing 1, and is covered with bubble-cap outside feed tube 3, is communicated with by inlet 11 with syringe needle, and liquid outlet 12 is communicated with collection tube.Then, syringe needle is inserted in human vas.
When arterial blood enters to feed tube 3 from inlet 11, and flow out from the other end of feed tube 3, thus cell-shell 2 is boosted, arterial blood is flowed downward along the interval between the inwall and the outer wall of feed tube 3 of cell-shell 2, flows out from the opening of cell-shell 2.
Now, because the density variation of the bubble 4 in arterial blood and blood is larger, so, bubble 4 can be stayed in cell-shell 2, and arterial blood can flow out from the opening of cell-shell 2, upwards flowing in interval between the inwall and cell-shell 2 outer wall of housing 1, finally flows out into the collection tube of blood sample sampler from liquid outlet 12.
Blood sample collector in the present embodiment, do not enter to the collection tube of blood sample sampler in arterial blood before, first the bubble 4 in arterial blood is collected, blood in arterial blood is separated with bubble 4, effectively reduce bubble 4 content in blood tube arterial blood, effectively reduce the impact of bubble 4 on the vim and vigour value of blood gas analysis, improve precision of analysis.
On the basis of above-described embodiment, further, blood sample collector also comprises closed joint, and the entrance point of closed joint and collection tube removably connects, to seal collection tube.
When the arterial blood in sampling tube collects default amount, collection tube and gas collector split by user, closed joint are arranged on the entrance point of collection tube, thus are sealed by the entrance point of collection tube, use in order to follow-up blood sample analysis.
In the present embodiment, utilize closed joint to be sealed by collection tube, in order to avoid introduced contaminants pollutes the arterial blood of collection tube, meanwhile, also avoid the arterial blood in collection tube to flow out.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a bubble collecting device, is characterized in that, comprises housing and cell-shell; Described housing is provided with inlet and liquid outlet, is provided with feed tube in described housing, one end of described feed tube is communicated with described inlet, and and described inner walls there is interval;
Described cell-shell is the hollow housing of one end open, and described cell-shell is located at outside described feed tube, and and all has interval between the lateral wall of described inner walls and described feed tube.
2. gas cylinder gathering-device according to claim 1, is characterized in that, the opening of described cell-shell to the ultimate range of described inlet is less than the length of described feed tube.
3. bubble collecting device according to claim 2, is characterized in that, described liquid outlet to the distance of described inlet is greater than the ultimate range of opening to described inlet of described cell-shell.
4. the bubble collecting device according to any one of claim 1-3, is characterized in that, the density of the material of described cell-shell is greater than the density of water.
5. bubble collecting device according to claim 4, is characterized in that, described cell-shell is polyurethane cell-shell.
6. bubble collecting device according to claim 1, is characterized in that, described inlet is provided with outer cone female Luer, and described outer cone female Luer is used for syringe needle and is communicated with.
7. bubble collecting device according to claim 1, is characterized in that, described liquid outlet is provided with female cone female Luer, and described female cone female Luer is used for collection tube and is communicated with.
8. bubble collecting device according to claim 4, is characterized in that, described shell is cylinder, and two end faces of described shell are respectively arranged with described inlet and described liquid outlet; Described cell-shell and described feed tube are all in cylinder.
9. a blood sample collector, is characterized in that, also comprises syringe needle and collection tube, and the bubble collecting device as described in any one of claim 1-8;
The inlet of described housing is communicated with described syringe needle, the liquid outlet of described housing and the inlet communication of described collection tube.
10. blood sample sampler according to claim 9, is characterized in that, also comprise closed joint, and the entrance point of described closed joint and described collection tube removably connects, to seal described harvester.
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 |
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| Publication Number | Publication Date |
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| CN105310700A true CN105310700A (en) | 2016-02-10 |
| CN105310700B CN105310700B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510867231.7A Active CN105310700B (en) | 2015-12-02 | 2015-12-02 | Bubble collecting device and blood sample collector |
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Citations (6)
| 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 |
| WO2014026890A1 (en) * | 2012-08-14 | 2014-02-20 | Schildtec GmbH | Measuring chamber for an optically operating sensor, method for producing the measuring chamber, and optically operating sensor |
| 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 |
-
2015
- 2015-12-02 CN CN201510867231.7A patent/CN105310700B/en active Active
Patent Citations (6)
| 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 |
| WO2014026890A1 (en) * | 2012-08-14 | 2014-02-20 | Schildtec GmbH | Measuring chamber for an optically operating sensor, method for producing the measuring chamber, and optically operating sensor |
| 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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| CN105310700B (en) | 2017-11-24 |
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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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