CN110236567A - A kind of blood-taking device - Google Patents
A kind of blood-taking device Download PDFInfo
- Publication number
- CN110236567A CN110236567A CN201910526727.6A CN201910526727A CN110236567A CN 110236567 A CN110236567 A CN 110236567A CN 201910526727 A CN201910526727 A CN 201910526727A CN 110236567 A CN110236567 A CN 110236567A
- Authority
- CN
- China
- Prior art keywords
- blood
- syringe
- construction section
- needle
- taking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- A61B5/150022—Source of blood for capillary blood or interstitial fluid
-
- 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
- A61B5/150343—Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
-
- 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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15103—Piercing procedure
- A61B5/15107—Piercing being assisted by a triggering mechanism
- A61B5/15113—Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
-
- 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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15115—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
- A61B5/15123—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids comprising magnets or solenoids
-
- 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
Abstract
The invention discloses a kind of blood-taking devices, including syringe and the syringe needle being set on syringe, it further include the driving mechanism that the liquid collecting mechanism and driving syringe needle for collecting blood puncture skin relative to syringe movement, the syringe includes the construction section for installing syringe needle, the needle passage being pierced by for syringe needle is offered on the construction section, the liquid collecting mechanism includes: the blood flow catheter for being arranged in and being connected in construction section and with needle passage；Vacuum liquid cylinder for storing blood；The connecting conduit for being set on vacuum liquid-collection bag and being detachably connected with blood flow catheter.The present invention can acquire more blood, for the detection of a variety of projects of blood, also can according to need, and only acquire fraction blood, and the present invention is very easy to use, is suitble to the use of a variety of occasions in medical treatment.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of blood-taking device.
Background technique
In medical procedure, it usually needs the acquisition for carrying out blood to human body mostly uses disposable blood taking needle and blood collecting pen
Matching used mode.Such blood sampling device is made of blood taking needle and blood collecting pen two parts, and blood taking needle is by with needle body
A set of percussion unit is set in needle handle, in use, blood taking needle is mounted in blood collecting pen head.
Above-mentioned blood-taking device can only acquire the blood sample of fraction, when needing to acquire more more blood volumes, need to squeeze
Skin at blood sampling site or repeatedly is punctured to increase blood sampling volume, is squeezed at blood sampling site or repeatedly acupuncture treatment sampling, to being adopted
Sample personnel increase more feeling of pain.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of blood-taking devices, more blood sample can be collected, for medical treatment
Detection.
The technical solution of the present invention is as follows: a kind of blood-taking device, including syringe and the syringe needle being set on syringe, feature
It is, further includes the driving machine that the liquid collecting mechanism and driving syringe needle for collecting blood puncture skin relative to syringe movement
Structure, the syringe include the construction section for installing syringe needle, offer the needle passage being pierced by for syringe needle, the collection on the construction section
Liquid mechanism includes:
It is arranged in the blood flow catheter being connected in construction section and with needle passage；
Vacuum liquid cylinder for storing blood；
The connecting conduit for being set on vacuum liquid-collection bag and being detachably connected with blood flow catheter.
When blood was collected using the present invention, connecting conduit is connect with blood flow catheter, needle is then driven by driving mechanism
Head is pierced by needle passage, and to puncture skin, after blood comes out, since vacuum liquid cylinder is in vacuum state, blood will be according to
It is secondary to be eventually entered into vacuum liquid cylinder via needle passage, blood flow catheter, connecting tube, after completion to be collected, by vacuum liquid collecting
Cylinder is separated with blood flow catheter, carries out sterile sealing.If desired more blood samples are acquired to the patient, can changed immediately new
Vacuum liquid cylinder be acquired.
The structure type of driving mechanism can use existing various ways, and vacuum collection in the present invention in the present invention
Vacuum state of the fluid cylinder before use can be vacuum-treated using vacuum treatment installation, be at vacuum state.
In the present invention when each step of operation processing, medical standard need to be used, such as carry out disinfection, to avoid pollution.
Syringe needle is contaminated in order to prevent, preferably, the construction section includes the circular cone being set at needle passage port
Shape diversion division, it is described cone diversion division on sealing film is set.When needing acupuncture treatment acquisition blood, sealing film is torn i.e.
It can.The present invention lives that sealing film using existing a variety of medical aseptic films.
Preferably, the syringe further includes the liquid storage for being detachably connected and being set in construction section outside vacuum liquid cylinder
Section.
Preferably, being provided with graduation mark in the liquid storage section.The present invention can primarily determine acquisition according to graduation mark
Blood volume plays the role of reference guide to the acquisition of blood volume.
In the present invention there are many structure types of driving mechanism, preferably, the driving mechanism includes:
The sliding block being slidably matched with construction section inner wall；
It is fixedly connected with a slide block and is used to install the mounting base of syringe needle；
The permanent magnet being set in mounting base；
The electromagnet positioned opposite with permanent magnet；
Open and close the switch of electromagnet.
When using the present invention, when if desired acupuncture treatment carries out the acquisition of blood, the switch of electromagnet is opened, electromagnet is powered it
Afterwards, magnetism will be generated, the magnetism of magnetism and permanent magnet after electromagnet is powered in the present invention is set as same magnetic, therefore
After energization, according to magnetic same sex exclusion principle, under the magnetic force, sliding block is slided along construction section inner wall, and then is made
It obtains syringe needle to be pierced by from needle passage, and then punctures skin.The present invention is in use, if need to only acquire fraction blood sample, such as adopts
When collecting blood sample for blood glucose meter detection, after syringe needle punctures skin, the present invention is removed, so that vacuum liquid cylinder does not carry out blood
Vacsorb if desired when more blood sample, then enters in vacuum liquid cylinder via vacsorb blood sample.
Preferably, further including the fixed mechanism for fixing blood sampling site.
Preferably, the fixed mechanism includes the tensioning ring being set on construction section outer wall and is set on tensioning ring
Binding strap.It when acquiring arm blood sample, such as can will help on band binding and arm, in order to take a blood sample.
Preferably, being connected between the construction section and liquid storage section by slot mechanism.The structure type of slot mechanism has
A variety of, the slot mechanism form in the present invention between construction section and liquid storage section uses existing various structures.
Preferably, the inner wall of the needle passage offers annular groove, offered on the construction section recessed with annular
One end of the installation passage that slot is connected, the blood flow catheter is arranged in installation passage, and is extended at annular groove.Acquisition
When blood, blood enters in annular groove, then enters in vacuum liquid cylinder via blood flow catheter again.The design of annular groove can
Enter inside construction section to avoid blood.
Compared with prior art, the beneficial effects of the present invention are embodied in:
The present invention can acquire more blood, for the detection of a variety of projects of blood, also can according to need, and only acquire
Fraction blood, the present invention is very easy to use, is suitble to the use of a variety of occasions in medical treatment.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A.
Specific embodiment
As depicted in figs. 1 and 2, the present invention includes syringe 2 and the syringe needle being set on syringe 21, further includes for collecting
The liquid collecting mechanism 3 and driving syringe needle 1 of blood are moved relative to syringe 2 to puncture the driving mechanism 4 of skin, and syringe 2 includes peace
The construction section 21 of syringe needle 1 is filled, offers the needle passage 212 being pierced by for syringe needle 1 on construction section 21, liquid collecting mechanism 3 includes:
It is arranged in the blood flow catheter 31 being connected in construction section 21 and with needle passage；
Vacuum liquid cylinder 32 for storing blood；
The connecting conduit 33 for being set on vacuum liquid-collection bag and being detachably connected with blood flow catheter 31.
When blood was collected using the present invention, connecting conduit 33 is connect with blood flow catheter 31, is then driven by driving mechanism 4
Dynamic syringe needle 1 is pierced by needle passage, to puncture skin, after blood comes out, since vacuum liquid cylinder 32 is in vacuum state, blood
Liquid will eventually enter into vacuum liquid cylinder 32 successively via needle passage, blood flow catheter 31, connecting tube, after completion to be collected,
Vacuum liquid cylinder 32 is separated with blood flow catheter 31, carries out sterile sealing.If desired more blood samples are acquired to the patient,
New vacuum liquid cylinder 32 can be changed immediately to be acquired.
As shown in Figure 1, the invention also includes the fixed mechanisms for fixing blood sampling site.The knot of fixed mechanism in the present invention
There are many configuration formulas, such as fixed mechanism includes the tensioning ring 5 being set on 21 outer wall of construction section and is set on tensioning ring 5
Binding strap 6.It when acquiring arm blood sample, such as can will help on band binding and arm, in order to take a blood sample.
The structure type of driving mechanism 4 can use existing various ways, and vacuum in the present invention in the present invention
Vacuum state of the liquid cylinder 32 before use can be vacuum-treated using vacuum treatment installation, be at vacuum state.
In the present invention when each step of operation processing, medical standard need to be used, such as carry out disinfection, to avoid pollution.
The inner wall of needle passage offers annular groove 211, offers on construction section 21 and is connected with annular groove 211
One end of installation passage, blood flow catheter 31 is arranged in installation passage, and is extended at annular groove 211.When acquiring blood, blood
Liquid enters in annular groove 211, then enters in vacuum liquid cylinder 32 via blood flow catheter 31 again.The design of annular groove can be with
Blood is avoided to enter inside construction section 21.
Syringe needle 1 is contaminated in order to prevent, and construction section 21 includes the conical diversion division being set at needle passage port
213, sealing film 214 is set on conical diversion division.When needing acupuncture treatment acquisition blood, sealing film 214 of tearing.This
That sealing film is invented using existing a variety of medical aseptic films.
Syringe 2 further includes the liquid storage section 22 for being detachably connected and being set in construction section 21 outside vacuum liquid cylinder 32.This
It is connected between construction section 21 and liquid storage section 22 by slot mechanism in invention.There are many structure types of slot mechanism, the present invention
Slot mechanism form between middle construction section 21 and liquid storage section 22 uses existing various structures.It is provided in liquid storage section 22
Graduation mark 221.The present invention can primarily determine the blood volume of acquisition according to graduation mark, play reference guide to the acquisition of blood volume and make
With.
In the present invention there are many structure types of driving mechanism 4, as shown in Figure 1, driving mechanism 4 includes:
The sliding block 41 being slidably matched with 21 inner wall of construction section；
The mounting base 42 of syringe needle 1 is fixedly connected with and is used to install with sliding block 41；
The permanent magnet 43 being set in mounting base；
The electromagnet 44 positioned opposite with permanent magnet；
Open and close the switch 45 of electromagnet.
When using the present invention, when if desired acupuncture treatment carries out the acquisition of blood, the switch 45 of electromagnet 44, electromagnet 44 are opened
Magnetic by generating after energization, the magnetism of magnetism and permanent magnet 43 after electromagnet 44 is powered in the present invention is set as phase
With magnetism, therefore after being powered, according to magnetic same sex exclusion principle, under the magnetic force, sliding block 41 is along construction section 21
Inner wall sliding, so that syringe needle 1 is pierced by from needle passage, and then punctures skin.The present invention is in use, if need to only acquire small
Part blood sample, for example, acquisition blood sample for blood glucose meter detect when, after syringe needle punctures skin, the present invention is removed, so that vacuum collection
Fluid cylinder does not carry out vacsorb to blood, if desired when more blood sample, then enters in vacuum liquid cylinder via vacsorb blood sample
?.
Claims (9)
1. a kind of blood-taking device, including syringe and the syringe needle being set on syringe, which is characterized in that further include for collecting blood
The liquid collecting mechanism and driving syringe needle of liquid are moved relative to syringe to puncture the driving mechanism of skin, and the syringe includes installation needle
The construction section of head offers the needle passage being pierced by for syringe needle on the construction section, and the liquid collecting mechanism includes:
It is arranged in the blood flow catheter being connected in construction section and with needle passage；
Vacuum liquid cylinder for storing blood；
The connecting conduit for being set on vacuum liquid-collection bag and being detachably connected with blood flow catheter.
2. blood-taking device as described in claim 1, which is characterized in that the construction section includes being set at needle passage port
Conical diversion division, it is described cone diversion division on sealing film is set.
3. blood-taking device as described in claim 1, which is characterized in that the syringe further include be detachably connected with construction section and
The liquid storage section being set in outside vacuum liquid cylinder.
4. blood-taking device as claimed in claim 3, which is characterized in that the driving mechanism includes:
The sliding block being slidably matched with construction section inner wall；
It is fixedly connected with a slide block and is used to install the mounting base of syringe needle；
The permanent magnet being set in mounting base；
The electromagnet positioned opposite with permanent magnet；
Open and close the switch of electromagnet.
5. blood-taking device as described in claim 1, which is characterized in that further include the fixed mechanism for fixing blood sampling site.
6. blood-taking device as claimed in claim 5, which is characterized in that the fixed mechanism includes being set on construction section outer wall
Tensioning ring and the binding strap that is set on tensioning ring.
7. blood-taking device as claimed in claim 3, which is characterized in that be provided with graduation mark in the liquid storage section.
8. blood-taking device as described in claim 1, which is characterized in that pass through slot mechanism between the construction section and liquid storage section
Connection.
9. blood-taking device as described in claim 1, which is characterized in that the inner wall of the needle passage offers annular groove,
The installation passage being connected with annular groove is offered on the construction section, one end of the blood flow catheter is arranged in installation passage
It is interior, and extend at annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526727.6A CN110236567B (en) | 2019-06-18 | 2019-06-18 | Blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526727.6A CN110236567B (en) | 2019-06-18 | 2019-06-18 | Blood sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110236567A true CN110236567A (en) | 2019-09-17 |
| CN110236567B CN110236567B (en) | 2022-05-31 |
Family
ID=67887734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910526727.6A Active CN110236567B (en) | 2019-06-18 | 2019-06-18 | Blood sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110236567B (en) |
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| CN110236567B (en) | 2022-05-31 |
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