CN110063730A - Quantitative blood sampling system - Google Patents
Quantitative blood sampling system Download PDFInfo
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- CN110063730A CN110063730A CN201910471238.5A CN201910471238A CN110063730A CN 110063730 A CN110063730 A CN 110063730A CN 201910471238 A CN201910471238 A CN 201910471238A CN 110063730 A CN110063730 A CN 110063730A
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- blood
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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
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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
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
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- Life Sciences & Earth Sciences (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The present invention relates to the field of medical instrument technology, in particular to a kind of quantitative blood sampling system, including vein blood taking needle, negative pressure blood-taking tube and regulating device of quantitatively taking a blood sample, quantitatively blood sampling regulating device includes shell, housing sidewall is equipped with for vertically to the mounting groove of installation negative pressure blood-taking tube, enclosure interior is equipped with cavity, cavity bottom is fixed with electromagnet, permanent magnet is equipped with above electromagnet, flexible part between permanent magnet and cavity top, sliding groove is offered on the side wall of mounting groove, sliding groove is connected to cavity, the slide over side walls of mounting groove is connected with the leve detecting assembly for detecting negative pressure blood-taking tube liquid level, leve detecting assembly is fixedly connected with permanent magnet by connector, connector is slidably connected with sliding groove, shell is equipped with controller of quantitatively taking a blood sample, quantitatively blood sampling controller is for setting blood sampling volume setting value, and pass through electromagnet Leve detecting assembly is controlled in the position of sliding groove.The present invention being capable of accurate quantification blood sampling.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of quantitative blood sampling system.
Background technique
Well known venous blood collection of specimens is acquired by using disposal vacuum hemostix or with disposable syringe.
Currently, medical staff is usually according to the negative pressure in heparin tube the most commonly used is using disposal vacuum hemostix to acquire blood sample
Collection capacity is determined with the scale synthesis of heparin tube, but since usually inaccuracy, scale marker are unobvious and heparin tube tilts for negative pressure,
Cause blood sampling volume extremely inaccurate, testing result may be influenced.For the generation for avoiding the above problem, most of medical staff are taken rather
The principle never taken out less can be taken out more, therefore there are problems that acquisition is excessive, waste, once because blood sampling volume is insufficient, it cannot be after
Continuous using same blood taking needle, blood was collected, and blood was collected for the blood taking needle and negative pressure blood-taking tube that can only more renew, not only time-consuming and laborious,
Also waste of resource, while being easy to cause doctors and patients' problem.And the vacuum degree of vacuum blood collection tube lacks effective quantitative detection.Therefore
It is not easy to know vacuum presence or absence in vacuum blood collection tube, how is the size of vacuum degree, is also just not easy whether know vacuum blood collection tube
For qualified generation, because naked eyes can not distinguish at all, the method that the sampling observation of random disruptions can only be also taken in production, therefore not
It can guarantee every vacuum blood collection tube usability.
Summary of the invention
It, being capable of accurate quantification blood sampling present invention is primarily aimed at a kind of quantitative blood sampling system is provided.
In order to achieve the above objectives, the present invention provides quantitative blood sampling system, including vein blood taking needle, negative pressure blood-taking tube and fixed
Amount blood sampling regulating device, the quantitatively blood sampling regulating device includes shell, and the housing sidewall is equipped with for vertically to installation
The mounting groove of negative pressure blood-taking tube, the enclosure interior are equipped with cavity, and the cavity bottom is fixed with electromagnet, on the electromagnet
Side is equipped with permanent magnet, flexible part between the permanent magnet and cavity top, offers sliding groove on the side wall of the mounting groove,
The sliding groove is connected to cavity, and the slide over side walls of the mounting groove is connected with the liquid level for detecting negative pressure blood-taking tube liquid level
Detection components, the leve detecting assembly are fixedly connected with permanent magnet by connector, and the connector and sliding groove sliding connect
It connects, the shell is equipped with controller of quantitatively taking a blood sample, and the quantitatively blood sampling controller passes through for setting blood sampling volume setting value
Magnet control leve detecting assembly is in the position of sliding groove.
The working principle of the invention and advantage are:
The setting of electromagnet can change input current by way of setting blood sampling volume setting value, to change electromagnetism
The magnetic field that iron generates, when the adjacent pole of permanent magnet and electromagnet is magnetic mutually simultaneously as the effect that identical charges repel each other is so that permanent magnetism
Body moves up in cavity, while moving leve detecting assembly by the zone of action of connector and moving in mounting groove, to change
The installation site of liquid level variable detection components, since adjustment leve detecting assembly detects the height of the blood acquired in vacuum tube, by
Specification after vacuum blood collection tube is produced is substantially consistent, and vacuum blood collection tube holding is vertically arranged, therefore is passed through
It determines the height of the blood of acquisition, then after being converted, the blood deal acquired in vacuum tube can be accurately controlled, thus
Reach and is accurately controlled the blood deal acquired in vacuum tube by way of setting blood sampling volume setting value.Improve blood collection
The precision of amount realizes precisely quantitative blood sampling.Avoid because blood sampling volume deficiency, the blood taking needle and negative pressure blood-taking tube that can only more renew into
Row blood sampling, it is time-consuming and laborious, go back waste of resource.
Further, quantitatively blood sampling controller includes current control module, touch input module and touch screen, and the touch is defeated
Enter module for being manually entered blood sampling volume setting value by touch screen, the flow control module is used for raw according to blood sampling volume setting value
At irregular electric current, and input to electromagnet.
The mode that touch screen is manually entered makes the input of blood sampling volume setting value more convenient, shows more intuitive.
Further, vein blood taking needle includes blood taking needle, tailpin, the transparent hose for connecting blood taking needle and tailpin, the tailpin
Including needle tubing and syringe needle, the syringe needle is equipped with switch bolt, and when switch bolt is in normal condition, vein blood taking needle is adopted with negative pressure
Blood vessel conducting.
The control that vein blood taking needle is connected with negative pressure blood-taking tube is realized by the state of control switch bolt, can be allowed and be adopted
Blood obtains free control, and blood sampling is facilitated to operate.
Further, shell is equipped with the electric signal control switch being used in combination with switch bolt, the controller of quantitatively taking a blood sample
Including switch control module, the switch control module includes induction coil, the induction coil and electric signal control switch electricity
It is connected and fixed in cavity, when not receiving electric signal and becoming, control switch bolt is in the electric signal control switch
Normal condition.
Electromagnet is passed through the electric current of irregular variation, generates the continually changing magnetic field of magnetic flux, induction coil is in variation
In magnetic field, the induced current of current value variation is generated, using induced current as electric signal as the unlatching of electric signal control switch
Condition illustrates that induction coil does not have electric current generation, also when the electric signal that electric signal control switch receives does not change
To say that no electric signal generates, the magnetic flux in the magnetic field that electromagnet generates does not change, controller by electromagnet incited somebody to action
Permanent magnet shifts designated position onto, and then shows that the leve detecting assembly connecting with permanent magnet has arrived at specified detection height, can
It is operated so that blood was collected, switch bolt is made to be in normal condition, so that vein blood taking needle is connected with negative pressure blood-taking tube, completion is adopted automatically
Blood.
Further, cylinder is provided in cavity, the cylinder includes piston plate, and the piston plate is fixedly connected with electronic stretch
Contracting bar, the electric telescopic rod is controlled by electric signal control switch to be started, and the syringe needle of the cylinder and tailpin is connected by gas-guide tube
Logical, the electric signal control switch is used for when receiving electric signal and changing, and control switch bolt be in abnormal condition, negative
Pressure heparin tube is connected with cylinder.
Since the vacuum degree of vacuum blood collection tube lacks to effectively quantitative detection method, vacuum is deposited in vacuum blood collection tube
Whether, naked eyes can not distinguish at all, and in the present solution, blood sampling before, pass through setting blood sampling volume setting value adjust level sensing group
While part, electric signal control switch illustrates that leve detecting assembly does not reach specified inspection when receiving electric signal and changing
Survey height, cannot blood was collected operation, make switch bolt be in abnormal condition, negative pressure blood-taking tube is connected with cylinder, while telecommunications
Number control switch control electric telescopic rod is opened, and is moved piston plate, is reduced the air pressure in cylinder, due to negative pressure blood-taking tube and gas
Whether cylinder conducting, the gas of heparin tube enters in cylinder, suitable such that regardless of the vacuum degree of vacuum blood collection tube, can carry out
Blood sampling operation, avoids the waste of vacuum blood collection tube, not only reduces blood sampling cost, the vacuum degree also increased in heparin tube mentions
High blood sampling effect.
Further, leve detecting assembly is contactless liquid level sensor, the non-contact level sensing with quantitatively adopt
The electrical connection of blood controller.
Liquid level sensor and contacting blood can be avoided using contactless liquid level sensor, cause cross-infection.
Further, shell is equipped with alarm, and the alarm is used to detect that negative pressure is adopted in non-contact level sensing
When vessel inner blood reaches setting height, by quantitatively taking a blood sample, controller control alarm is sounded an alarm.
Medical staff is facilitated to learn blood sampling situation.
Further, alarm is buzzer.Materials are convenient, simple and practical.
Further, the blood taking needle is disposable blood taking needle.Avoid cross-infection.
Further, elastic component is pressure spring.Materials are convenient, simple and practical.
Detailed description of the invention
Fig. 1 is the axonometric drawing that the embodiment of the present invention quantifies regulating device of quantitatively taking a blood sample in blood sampling system.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: shell 1, gas-guide tube 2, syringe needle 3, electric signal control switch 4, switch bolt
5, snap-gauge 6, needle tubing 7, negative pressure blood-taking tube 8, leve detecting assembly 9, connector 10, electromagnet 11, induction coil 12, pressure spring 13,
Electric telescopic rod 14, piston plate 15, cylinder 16, permanent magnet 17.
A kind of quantitative blood sampling system, as shown in Figure 1, including that vein blood taking needle, negative pressure blood-taking tube 8 and quantitative blood sampling adjust dress
It sets.Quantitatively blood sampling regulating device includes shell 1, and 1 left side side wall of shell is equipped with for vertically to the peace of installation negative pressure blood-taking tube 8
Tankage, cavity is equipped with inside shell 1, and cavity bottom is fixed with electromagnet 11, is equipped with permanent magnet 17, permanent magnet above electromagnet 11
It is fixed with elastic component between 17 and cavity top, sliding groove is offered on the side wall of mounting groove, sliding groove is connected to cavity, installation
The slide over side walls of slot is connected with the leve detecting assembly 9 for detecting 8 liquid level of negative pressure blood-taking tube, leve detecting assembly 9 with forever
Magnet 17 is fixedly connected by connector 10, and connector 10 is slidably connected with sliding groove, and shell 1 is equipped with quantitative blood sampling control
Device, controller of quantitatively taking a blood sample control leve detecting assembly 9 in sliding groove for setting blood sampling volume setting value, and by electromagnet 11
Position.
Snap-gauge 6 is fixed on mounting groove, snap-gauge 6 is for fixing negative pressure blood-taking tube 8.
Quantitatively blood sampling controller includes current control module, touch input module and touch screen, and touch input module is used for
It is manually entered blood sampling volume setting value by touch screen, current control module is for generating irregular electricity according to blood sampling volume setting value
Stream, and input to electromagnet 11.
Vein blood taking needle is disposable product, including blood taking needle, tailpin, the transparent hose for connecting blood taking needle and tailpin, tail
Needle includes needle tubing 7 and syringe needle 3, and syringe needle 3 is equipped with switch bolt 5, when switching bolt 5 and be in normal condition, vein blood taking needle with bear
Heparin tube 8 is pressed to be connected.
Shell 1 is equipped with the electric signal control switch 4 being used in combination with switch bolt 5, and controller of quantitatively taking a blood sample includes switch
Control module, switch control module include induction coil 12, and induction coil 12 is electrically connected with electric signal control switch 4 and fixes viscous
It connects in cavity, when electric signal control switch 4 does not receive electric signal, control switch bolt 5 is in normal condition, i.e., at this time
Vein blood taking needle is connected with negative pressure blood-taking tube in switch bolt 5.
Fixed bonding is provided with cylinder 16 on side wall in cavity, and cylinder 16 includes piston plate 15, and piston plate 15 is fixed to be connected
It is connected to electric telescopic rod 14, electric telescopic rod 14 is controlled by electric signal control switch 4 to be started, and the syringe needle 3 of cylinder 16 and tailpin is logical
Cross the connection of gas-guide tube 2, electric signal control switch 4 is used for when receiving electric signal and changing, control switch bolt 5 be in it is non-just
Negative pressure blood-taking tube 8 and cylinder 16 is connected in normal state, i.e., switch bolt 5 at this time.
Leve detecting assembly 9 is contactless liquid level sensor, non-contact level sensing and quantitatively blood sampling controller electricity
Connection.
Shell 1 is equipped with alarm, and alarm is used to detect blood in negative pressure blood-taking tube 8 in non-contact level sensing
When reaching setting height, by quantitatively taking a blood sample, controller control alarm is sounded an alarm.Alarm this programme is preferably buzzer.
Specific implementation process is as follows:
It is manually entered blood sampling volume setting value by touch screen, so that the input of blood sampling volume setting value is more convenient, is shown more intuitive.
Change input current by way of setting blood sampling volume setting value again, such as generates the electricity of variation in some cycles of formulation
Stream, generates stable electric current after some cycles.The electric current that variation is generated in some cycles changes the magnetic that electromagnet 11 generates
, when permanent magnet 17 and the identical or different adjacent pole magnetism of electromagnet 11, due to the work that identical charges repel each other or there is a natural attraction between the sexes
Leve detecting assembly 9 is moved with moving up or down permanent magnet 17 in cavity, while by the zone of action of connector 10
It is moved up and down in mounting groove, to change the installation site of leve detecting assembly 9, due to the leve detecting assembly after adjustment
9 are able to detect the height of the blood acquired in vacuum tube, and the specification of vacuum blood collection tube is substantially consistent, vacuum blood collection
Pipe holding is vertically arranged, therefore the height of the blood by determining acquisition, then after being converted, can be accurately controlled vacuum
The blood deal acquired in pipe acquires in vacuum tube to reach to be accurately controlled by way of setting blood sampling volume setting value
Blood deal.Stable electric current is generated after some cycles, permanent magnet is fixed on certain position and remained stationary by convenient electromagnetic iron,
The precision of amount of blood collected is improved, realizes precisely quantitative blood sampling.It avoids because of blood sampling volume deficiency, the blood taking needle that can only more renew
Blood was collected with negative pressure blood-taking tube 8, time-consuming and laborious, also waste of resource.
Electromagnet 11 is passed through irregular electric current, generates the continually changing magnetic field of magnetic flux, induction coil 12 is in variation
In magnetic field, the induced current of current value variation is generated, when the electric signal that electric signal control switch 4 receives does not change,
Illustrate that induction coil does not have electric current generation, that is to say, that generate without electric signal, the magnetic flux in the magnetic field that electromagnet generates is not sent out
Changing, controller have shifted permanent magnet onto designated position by electromagnet, and then show that the liquid level connecting with permanent magnet is examined
Survey component has arrived at specified detection height, can operate so that blood was collected, so that switch bolt is in normal condition, so that venous blood collection
Needle is connected with negative pressure blood-taking tube, completes automatic blood sampling.
Since the vacuum degree of vacuum blood collection tube lacks to effectively quantitative detection method, vacuum is deposited in vacuum blood collection tube
Whether, naked eyes can not distinguish at all, and in the present solution, blood sampling before, pass through setting blood sampling volume setting value adjust level sensing group
While part 9, it is specified to illustrate that leve detecting assembly 9 does not reach when receiving electric signal and changing for electric signal control switch 4
Detection height, cannot blood was collected operation, make to switch bolt 5 and be in abnormal condition, negative pressure blood-taking tube 8 and the conducting of cylinder 16, together
When electric signal control switch 4 control electric telescopic rod 14 and open, move piston plate 15, reduce the air pressure in cylinder 16, due to
Negative pressure blood-taking tube 8 and cylinder 16 are connected, and the gas of heparin tube enters in cylinder 16, such that regardless of the vacuum degree of vacuum blood collection tube
Be worth it is whether suitable, can blood was collected operation, avoid the waste of vacuum blood collection tube, not only reduce blood sampling cost, also improve
Blood sampling effect.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge can know the prior art all in the field, and have using routine experiment hand before the date
The ability of section, one skilled in the art can improve and be implemented in conjunction with self-ability under the enlightenment that the application provides
This programme, some typical known features or known method should not become one skilled in the art and implement the application
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Several modifications and improvements out, these also should be considered as protection scope of the present invention, these all will not influence the effect that the present invention is implemented
Fruit and patent practicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
The records such as body embodiment can be used for explaining the content of claim.
Claims (10)
1. quantitative blood sampling system, it is characterised in that: including vein blood taking needle, negative pressure blood-taking tube and quantitatively take a blood sample regulating device, institute
Stating quantitative blood sampling regulating device includes shell, and the housing sidewall is equipped with for the installation vertically to installation negative pressure blood-taking tube
Slot, the enclosure interior are equipped with cavity, and the cavity bottom is fixed with electromagnet, is equipped with permanent magnet, institute above the electromagnet
Flexible part between permanent magnet and cavity top is stated, sliding groove, the sliding groove and sky are offered on the side wall of the mounting groove
Chamber connection, the slide over side walls of the mounting groove is connected with the leve detecting assembly for detecting negative pressure blood-taking tube liquid level, described
Leve detecting assembly is fixedly connected with permanent magnet by connector, and the connector is slidably connected with sliding groove, on the shell
Equipped with quantitative blood sampling controller, the quantitatively blood sampling controller passes through magnet control liquid for setting blood sampling volume setting value
Position detection components are in the position of sliding groove.
2. quantitative blood sampling system according to claim 1, it is characterised in that: the quantitatively blood sampling controller includes electric current control
Molding block, touch input module and touch screen, the touch input module are used to be manually entered blood sampling volume setting by touch screen
Value, the current control module input to electromagnet for generating irregular electric current according to blood sampling volume setting value.
3. quantitative blood sampling system according to claim 2, it is characterised in that: the vein blood taking needle includes blood taking needle, tail
Needle, the transparent hose for connecting blood taking needle and tailpin, the tailpin include needle tubing and syringe needle, and the syringe needle is equipped with switch bolt, when
When switch bolt is in normal condition, vein blood taking needle is connected with negative pressure blood-taking tube.
4. quantitative blood sampling system according to claim 3, it is characterised in that: the shell, which is equipped with to match with switch bolt, to be made
Electric signal control switch, the quantitatively blood sampling controller includes switch control module, and the switch control module includes sense
Coil is answered, the induction coil and electric signal control switch are electrically connected and secured in cavity, when electric signal control switch receives
When less than electric signal, control switch bolt is in normal condition.
5. quantitative blood sampling system according to claim 4, it is characterised in that: be provided with cylinder, the gas in the cavity
Cylinder includes piston plate, and the piston plate is fixedly connected with electric telescopic rod, and the electric telescopic rod is by electric signal control switch control
System starting, the cylinder are connected to the syringe needle of tailpin by gas-guide tube, and the electric signal control switch is for receiving telecommunications
When number changing, control switch bolt is in abnormal condition, and negative pressure blood-taking tube is connected with cylinder.
6. quantitative blood sampling system according to claim 1, it is characterised in that: the leve detecting assembly is contactless liquid
Level sensor, the non-contact level sensing are electrically connected with quantitatively blood sampling controller.
7. quantitative blood sampling system according to claim 6, it is characterised in that: the shell is equipped with alarm, the report
Alert device is used for when non-contact level sensing detects that blood reaches setting height in negative pressure blood-taking tube, is controlled by quantitative blood sampling
Device control alarm sounds an alarm.
8. quantitative blood sampling system according to claim 7, it is characterised in that: the alarm is buzzer.
9. quantitative blood sampling system according to claim 1, it is characterised in that: the blood taking needle is disposable blood taking needle.
10. quantitative blood sampling system according to claim 1, it is characterised in that: the elastic component is pressure spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471238.5A CN110063730B (en) | 2019-05-31 | 2019-05-31 | Quantitative blood sampling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471238.5A CN110063730B (en) | 2019-05-31 | 2019-05-31 | Quantitative blood sampling system |
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| Publication Number | Publication Date |
|---|---|
| CN110063730A true CN110063730A (en) | 2019-07-30 |
| CN110063730B CN110063730B (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910471238.5A Active CN110063730B (en) | 2019-05-31 | 2019-05-31 | Quantitative blood sampling system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110613463A (en) * | 2019-10-29 | 2019-12-27 | 南京市儿童医院 | Blood sampling device for neonates |
| CN110974256A (en) * | 2019-12-19 | 2020-04-10 | 滨州医学院附属医院 | Clinical medicine clinical laboratory uses vacuum blood sampling device |
| CN111604101A (en) * | 2020-05-29 | 2020-09-01 | 中国人民解放军陆军军医大学第一附属医院 | Selective anticoagulation oscillation storage device |
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| US20130131480A1 (en) * | 2002-12-23 | 2013-05-23 | Roche Diagnostics Operations, Inc. | Body fluid testing device |
| CN205514627U (en) * | 2016-01-15 | 2016-08-31 | 安徽省肿瘤医院 | Intelligence hemostix |
| CN107411760A (en) * | 2017-09-11 | 2017-12-01 | 成都优瑞商务服务有限公司 | A kind of therapeutic vacuum heparin tube |
| CN107961019A (en) * | 2017-12-15 | 2018-04-27 | 中南大学湘雅医院 | Integrated full-automatic hemostix and blood-sampling method |
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| US20130131480A1 (en) * | 2002-12-23 | 2013-05-23 | Roche Diagnostics Operations, Inc. | Body fluid testing device |
| CN102160792A (en) * | 2010-02-22 | 2011-08-24 | 白杰 | Disk-shaped instant vacuum blood sampling method and special-purpose device |
| CN205514627U (en) * | 2016-01-15 | 2016-08-31 | 安徽省肿瘤医院 | Intelligence hemostix |
| CN107411760A (en) * | 2017-09-11 | 2017-12-01 | 成都优瑞商务服务有限公司 | A kind of therapeutic vacuum heparin tube |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110613463A (en) * | 2019-10-29 | 2019-12-27 | 南京市儿童医院 | Blood sampling device for neonates |
| CN110613463B (en) * | 2019-10-29 | 2021-11-30 | 南京市儿童医院 | Blood sampling device for neonates |
| CN110974256A (en) * | 2019-12-19 | 2020-04-10 | 滨州医学院附属医院 | Clinical medicine clinical laboratory uses vacuum blood sampling device |
| CN111604101A (en) * | 2020-05-29 | 2020-09-01 | 中国人民解放军陆军军医大学第一附属医院 | Selective anticoagulation oscillation storage device |
| CN111604101B (en) * | 2020-05-29 | 2021-11-02 | 中国人民解放军陆军军医大学第一附属医院 | Selective anticoagulation oscillation storage device |
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| CN110063730B (en) | 2021-07-09 |
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