CN109381199A - The multiple automatic blood drawing gun of filling - Google Patents
The multiple automatic blood drawing gun of filling Download PDFInfo
- Publication number
- CN109381199A CN109381199A CN201710670396.4A CN201710670396A CN109381199A CN 109381199 A CN109381199 A CN 109381199A CN 201710670396 A CN201710670396 A CN 201710670396A CN 109381199 A CN109381199 A CN 109381199A
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- tailstock
- clamping
- gear
- clamping disk
- blood
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- 239000008280 blood Substances 0.000 title claims abstract description 113
- 210000004369 blood Anatomy 0.000 title claims abstract description 113
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims abstract description 81
- 229960002897 heparin Drugs 0.000 claims abstract description 81
- 229920000669 heparin Polymers 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 5
- 238000010241 blood sampling Methods 0.000 abstract description 37
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 210000004204 blood vessel Anatomy 0.000 description 4
- 241000256852 Aculeata Species 0.000 description 3
- 244000144985 peep Species 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000009534 blood test Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a kind of multiple automatic blood drawing guns of filling comprising: its front end is used for the syringe being detachably connected with blood taking needle；The tailstock being detachably connected with back end of syringe；The clamping disk for more heparin tubes of clamping being mounted on tailstock；Drive the driving mechanism of clamping disc spins and linear movement；Wherein, the clamping disc spins and Forward are driven by the driving mechanism, docks the heparin tube front end to be taken a blood sample of the clamping disk clamping with the blood taking needle.The automatic blood drawing gun of multiple filling of the invention; more heparin tubes can be disposably installed; it is automatically performed the blood sampling task of more heparin tubes; it is not required to extract and be inserted into manually in blood sampling to replace heparin tube; increase the success rate that one-time puncture completes multitube blood sampling; blood sampling operation failure bring trouble is reduced, and effective protection medical staff, is avoided infection.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of multiple automatic blood drawing gun of filling.
Background technique
Currently, blood test is medical institutions at different levels to most basic during the diagnosis and treatment of patient's progress disease medically
Operation.No matter weight, the size of patient age of disease go medical institutions are medical can all encounter pumping even routine physical examination
The operation of blood chemical examination.And this operation is for medical staff, is most basic operative skill.It experienced analogy many times
It practises and practice operation, medical staff could more accurately complete this operation.Whole nation medical staff carries out blood drawing procedures daily
Billions of times.In billions of operating process, bit of a mess up will be brought a great deal of trouble to doctor-patient relationship.Especially
For the patient of paediatrics, patient's is mismatched, and the strong attention rate of family members all can be to medical staff in invasive operating process
Huge pressure is brought, and drawing blood is only the most common operation in every-day medical work.So the medical instrument of invasive operation
Improvement to clinical treatment work it is particularly significant.Blood drawing tool is also in continuous development.
Clinically blood drawing mainly uses liquid infusing type and closed disposable lancet.Its principle mainly pricks hemostasis
Band increases venous blood overpressure, blood taking needle is spun on sleeve, is removed puncture needle housing (being placed on place easy to access), selects
Select vein blood vessel puncture.Syringe needle is fixed on the other hand after success, and the pipe close puncture needle for Aculeata of taking a blood sample vertically is pierced into and takes by the other hand
It is intravascular, using the principle of differential pressure in negative pressure and vein blood vessel in heparin tube, blood automatically flow into take it is intravascular.Reach requirement
Liquid level stops variation afterwards, and blood vessel will be taken to exit out of sleeve.If the repeatable above operation of multitube sampling.End of operation will should first take
Blood vessel is exited out of sleeve push down inserting needle with disinfecting cotton swab again from, quickly transfer to syringe needle (advising patient depresses 1-2 minutes).In reality
In the clinic of border, extract full assay can up to 6-8 venae vasorum blood, Nurses then need repeated multiple times blood was collected pipe more
It changes, the careless slightly generation movement of the hand of fixed blood taking needle will result in the variation of blood taking needle puncture position, vein blood vessel occurs
Through damage, needle point reversed blood vessel, leads to blood sampling failure and need to re-start venipuncture.It thus will increase patient again
The pain of secondary puncture and the confidence of strike medical staff, excite the antagonistic sentiments between doctors and patients.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems, provides a kind of multiple automatic blood drawing gun of filling, can be disposable
More heparin tubes are installed, the blood sampling task of more heparin tubes is automatically performed, is not required to replace heparin tube back and forth in blood sampling, increases by one
It is secondary to puncture the success rate for completing multitube blood sampling, blood sampling operation failure bring trouble is reduced, and effective protection medical staff, avoid
Infection.
Above-mentioned purpose to realize the present invention, the automatic blood drawing gun of multiple filling of the invention include: that its front end is used for and adopts
The syringe that blood needle is detachably connected；The tailstock being detachably connected with back end of syringe；It is mounted on adopting on tailstock for clamping more
The clamping disk of blood vessel；Drive the driving mechanism of clamping disc spins and linear movement；Wherein, by described in driving mechanism driving
Clamping disc spins and Forward, dock the heparin tube front end to be taken a blood sample of the clamping disk clamping with the blood taking needle.
Further, further includes: having acquired for detecting in the heparin tube currently taken a blood sample for the tailstock inner wall is set
Blood volume whether reach the liquid inspection module of default liquid measure.
Wherein, needle thorn portion before the blood taking needle includes:；The interconnecting piece that its front end is connect with preceding needle thorn portion；After interconnecting piece
Hold the rear needle thorn portion of connection；Wherein, the interconnecting piece is connect with the syringe.
Wherein, the syringe includes: the cylindrical body of open rearward end；The protrusion of cylindrical body front end is set；Wherein, described
Protrusion is cylinder；Wherein, the cylinder is threadedly coupled or grafting or clamping with the interconnecting piece.
Wherein, the driving mechanism includes: the rotation for being used to drive the clamping disc spins being mounted in the tailstock
Driving assembly；It is mounted in the tailstock and is used to that the clamping disk to be driven to move drive along what the axis direction of the tailstock moved
Dynamic component.
Preferably, the rotary drive assembly includes: the rotary drive motor being mounted in the tailstock, motor shaft edge
The axis direction of the tailstock extend inwardly；External splines or slot on motor shaft outer wall are set；Wherein, the clamping disk
Center compatible with the external splines of motor shaft internal spline or the slotting platform with the slot grafting are set, so as to the dress
Chuck can the axis direction under external force along the motor shaft move.
Preferably, the mobile driving assembly includes: the hydraulic package being mounted in the tailstock or air pressure component, is lived
The axis of stopper rod is parallel to the axis of the tailstock；Wherein, the piston rod of the hydraulic package or air pressure component and the clamping
The rear end of disk connects, and drives the clamping disk stretching motion will pass through piston rod.
Alternatively, the mobile driving assembly includes: the rotary drive motor being mounted in the tailstock, motor shaft along
The axis direction of the tailstock extends inwardly；The driving gear being mounted on motor shaft；Connect with driving gear external toothing
One driven gear；The first bevel gear being mounted on the gear shaft of the first driven gear；With the second of first bevel gear external toothing
Bevel gear, gear shaft extend along the radial direction of the tailstock；The mobile drive being mounted on the gear shaft of second bevel gear
Moving gear；The rack gear of connection is engaged with mobile driving gear in one side；It is mounted in the tailstock and another sideslip with rack gear
The sliding rail of dynamic connection；Wherein, the rack gear is connect with the clamping disk；Wherein, it is rotated and is driven by the rotary drive motor
The mobile driving gear rotation, to drive the rack gear relatively described sliding rail under the action of the mobile driving gear
Sliding keeps the clamping disk mobile relative to the tailstock.
Alternatively, the rotary drive assembly includes: with the driving gear external toothing and positioned at first driven gear
Second driven gear of opposite side；The clamping cylinder of the clamping disk tail end is set, in inner wall and second driven gear
Engagement；Wherein, second driven gear is driven to rotate by rotary drive motor rotation, so as to passive described second
Under the action of gear, the clamping disc spins are driven.
Alternatively, the mobile driving assembly includes: the mobile driving motor being mounted in the tailstock, motor shaft along
The axis direction of the tailstock extends inwardly；With the screw rod of the motor axis connection of mobile driving motor；It is sleeved on leading outside screw rod
Rail；Wherein, the guide rail and the clamping disk direct or indirect connection；Wherein, by the mobile driving motor, described in drive
Clamping disk is mobile.
Alternatively, the rotary drive assembly includes: the rotary drive motor being mounted on the guide rail, motor shaft along
The axis direction of the tailstock extends inwardly；External splines or slot on motor shaft outer wall are set；Wherein, the clamping disk
Internal spline compatible with the external splines of the motor shaft or the slotting platform with the slot grafting is arranged in center, described will pass through
Rotary drive motor drives the clamping disc spins.
Compared with prior art, the automatic blood drawing gun of multiple filling of the invention has the advantages that
1, the automatic blood drawing gun of multiple filling of the invention, can disposably install more heparin tubes, when a blood sampling blood sampling tube
At the end of, next heparin tube alignment blood taking needle to be taken a blood sample can be made automatically, when reducing more blood sampling blood sampling tubes in the prior art
The operation of heparin tube need to be replaced back and forth, increases the success rate that one-time puncture completes multitube blood sampling, reduced blood sampling operation failure and brought
Trouble；
2, the automatic blood drawing gun of multiple filling of the invention, the clamping disk for clamping heparin tube is placed in tailstock, and tail
Seat is detachably connected with syringe, so that filling or disassembly heparin tube are very convenient, and the heparin tube of the prior art can be used；
3, the automatic blood drawing gun of multiple filling of the invention is not required to medical staff in blood collection procedure and directly contacts blood sampling with hand
Pipe, so that blood spluttering when medical staff being avoided to replace heparin tube, protection medical staff avoid infection.
4, the automatic blood drawing gun of multiple filling of the invention, clamping disk clamping heparin tube is quick and easy, is conducive to clear to heparin tube
Clean and disinfection；
5, the automatic blood drawing gun of multiple filling of the invention has liquid inspection module, therefore can currently adopt detecting
When the blood volume acquired in the heparin tube of blood reaches default liquid measure, clamping disk is set to execute rotation, mobile movement, to realize
Automation blood sampling.
The present invention is described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the installation diagram of the automatic blood drawing gun of multiple filling of the invention；
Fig. 2 is the structural schematic diagram (protective case is not shown) of blood taking needle of the invention；
Fig. 3 is the perspective view of syringe of the invention；
Fig. 4 is the semi-cutaway of syringe of the present invention；
Fig. 5 is the top view of syringe of the present invention；
Fig. 6 is the schematic diagram of the first structure clamping disk and tailstock assembly of the invention；
Semi-cutaway when Fig. 7 is clamping disk of the present invention and tailstock and the assembly of the first driving mechanism；
Semi-cutaway when Fig. 8 is clamping disk of the present invention and tailstock and second of driving mechanism assembly；
Semi-cutaway when Fig. 9 is clamping disk of the present invention and tailstock and the assembly of the third driving mechanism；
Figure 10 is the schematic diagram of second of structure clamping disk of the present invention and tailstock assembly.
Specific embodiment
As shown in Figure 1, being the installation diagram of the automatic blood drawing gun of multiple filling of the invention, as shown in figs. 7 to 9, for the present invention
The structural schematic diagram that the driving mechanism of the different structure of use is connect with clamping disk 303 and tailstock 300, as seen from the figure, the present invention
The automatic blood drawing gun of multiple filling include: that its front end is used for the syringe 200 that is detachably connected with blood taking needle 100；After syringe 200
Hold the tailstock 300 being detachably connected；The clamping disk 303 for more heparin tubes 500 of clamping being mounted on tailstock 300；Driving
The driving mechanism of clamping disk 303 rotation and linear movement；Wherein, the rotation of clamping disk 303 and Forward are driven by driving mechanism, made
It is docked with blood taking needle 100 500 front end of heparin tube to be taken a blood sample of 303 clamping of clamping disk.
Specifically, the present invention uses blood taking needle 100 as shown in Figure 2 comprising: preceding needle thorn portion 101；Its front end and preceding needle
The interconnecting piece 102 that thorn portion 101 connects；The rear needle thorn portion 103 being connect with 102 rear end of interconnecting piece；Wherein, interconnecting piece 102 and syringe
200 connections, and protective case (not shown) is arranged outside rear needle thorn portion 103.100 blood needle of blood taking needle of the invention can be adopted
Interconnecting piece 102 is mounted on syringe 200 in use, pulling out protective case with current existing procucts, keeps rear needle thorn portion 103 straight
It patches in heparin tube.
Wherein, syringe 200 of the invention uses structure as shown in Figure 3-Figure 5, comprising: the cylindrical body 202 of open rearward end；
The protrusion 201 outstanding outwardly of 202 front end of cylindrical body is set；Wherein, protrusion 201 is cylinder, cylinder and blood sampling
The interconnecting piece 102 of needle is together by a threaded connection, or is linked together by way of grafting or clamping.In order to take a blood sample
When, convenient for the full situation of blood in observation heparin tube 500, peep hole 203 is set on cylindrical body 202, and can be in peep hole
Transparent glass or transparent plastic from external observation inner case are convenient in installation at 203.Preferably, syringe 200 can be used transparent
Plastics are made.
Wherein, multiple clampings can be arranged using thicker disc in 303 top of clamping disk of the invention on disc
Hole, heparin tube can also use thin disc with clamping in clamping hole (as shown in Figure 6), install on disc more
A clamping cylinder 309, heparin tube are placed in clamping cylinder 309 (as shown in Figure 10).In order to which heparin tube when clamping heparin tube will not be from
Deviate from clamping hole or clamping cylinder, is may be provided in clamping hole or clamping cylinder by the sandwiched resilient sleeve plug firmly of heparin tube
(not shown).Preferably, the multiple clamping holes or clamping cylinder being arranged on clamping disk 303 are divided along the even circumferential of clamping disk
Cloth when to take a blood sample, can determine the angle that clamping disk 303 rotates every time according to the quantity of heparin tube to be filled, e.g., if
Four clamping holes are set on clamping disk, then are at most only capable of installation 4 using pipe, if need to adopt 4 pipe blood, clamping disk rotates 90 every time
Degree；If six clamping holes are arranged on clamping disk, installation 6 are at most only capable of using pipe, if need to adopt 6 pipe blood, clamping disk is every
Secondary 60 degree of rotation.Of course, it is possible to more several stations for clamping heparin tube of design on clamping disk, to improve clamping disk
The scope of application；Alternatively, several groups of clamping disks with different clamping stations can also be designed more.Moreover, the angle of clamping disc spins
It is determined according to the quantity of the heparin tube of clamping practical on clamping disk 303.And in order to when clamping disk 303 rotates, syringe 200 can be with
It provides and stablizes support, also inner sleeve 204 is arranged in the inside of the cylindrical body of syringe 202 in the present invention, pacifies in the inner wall of inner sleeve 204
Bearing 205 is filled, and is connect with clamping disk 303 and stretches out in the shaft of clamping disk 303 and be placed in bearing 205, to pass through axis
It holds 205 and provides rotational support for shaft.
Wherein, 200 rear end of syringe of the invention is detachably connected one for disposing the tailstock of clamping disk 303 in it
300, (as shown in Fig. 6, Figure 10, clamping disk is only shown in figure by property more heparin tubes 500 of clamping primary on clamping disk 303
Only four heparin tubes of clamping), when avoiding being needed in the prior art using more blood sampling blood sampling tubes, the trouble behaviour of heparin tube is replaced back and forth
Make, and in such a way that driving clamping disk 303 is rotated and moved forward, more heparin tubes 500 made to be respectively aligned to blood taking needle 100 in turn,
Heparin tube 500 with dock blood taking needle 100 after, using in heparin tube 500 negative pressure complete blood sampling operation, adopted in current heparin tube
It after collecting blood sample, then drives clamping disk 303 to move back by driving mechanism, then passes through driving mechanism for another heparin tube
Rotation is transferred at blood taking needle ... ..., and so on, more heparin tubes are docked into blood taking needle respectively, so that one-time puncture can
Repeatedly blood sampling is completed, the success rate that one-time puncture completes multitube blood sampling is increased, reduces blood sampling operation failure bring trouble.
Wherein, driving mechanism of the invention includes the rotation for driving clamping disk 303 to rotate being mounted in tailstock 300
Driving assembly, and be mounted in tailstock 300 and be used to that clamping disk 303 to be driven to move along what the axis direction of tailstock 300 moved
Driving assembly.Driving mechanism of the invention can be using such as Fig. 7, Fig. 8, structure shown in Fig. 9, can also be using in the prior art
The structure that clamping disk 303 can be made to realize rotation and move back and forth.
Specifically, the first driving mechanism that the present invention uses is as shown in fig. 7, the rotary drive assembly of the structure includes:
The rotary drive motor 401 being mounted in the shell 301 of tailstock 300, motor shaft prolong inwardly along the axis direction of tailstock 300
It stretches and (extends refer to towards the extension of syringe direction inwardly)；External splines or slot on motor shaft outer wall are set.Wherein, in clamping disk
Internal spline compatible with the external splines of motor shaft or the slotting platform with slot grafting is arranged in 303 center, so that rotation driving electricity
When machine 401 acts, clamping disk 303 can be rotated with the rotation of motor shaft, in addition, when there is external force to push clamping disk 303,
Clamping disk 303 motor shaft can also slide relatively, to change position of the heparin tube with respect to blood taking needle of clamping on clamping disk 303
It sets.When assembling, the front end of motor shaft stretches out in clamping disk 303 and in the bearing 205 that is placed in syringe 200, to pass through axis
It holds 205 and provides rotational support for motor shaft.
It further, can be as shown in fig. 7, installing transmission shaft 402 on motor shaft, the extension end of transmission shaft 402 is set
Sleeve part is set, shaft 304 is installed at the center of clamping disk 303, shaft 304 is sleeved in the sleeve part of transmission shaft 402, and is being covered
The inner wall setting internal spline or slotting platform of canister portion, and 304 outer wall of shaft be arranged external splines compatible with internal spline or slotting platform or
Slot drives clamping disk 303 to revolve so that shaft 304 can link together with transmission shaft 402 as transmission shaft 402 rotates
Turn.Wherein, the assembly of clamping disk 303 and shaft 304 can use above-mentioned assembly method, so that clamping disk 303 is in addition to can be with
It, can also the opposite sliding of shaft 304 except rotation.When assembling, the front end of shaft 304 stretches out in clamping disk 303 and is placed in axis
It holds in 205, to be that shaft 304 provides rotational support by bearing 205.
Wherein, the mobile driving assembly of the first driving mechanism of the invention includes: the hydraulic package being mounted in tailstock 300
403 or air pressure component, the axis of piston rod be parallel to the axis of tailstock 300；Wherein, the piston of hydraulic package or air pressure component
Bar is connect with the rear end of clamping disk 303, drives 303 stretching motion of clamping disk will pass through piston rod.Wherein, hydraulic package 403
Or air pressure component and rotary drive motor 401 can be connect with circuit control device, will pass through circuit control device control
Each component executes corresponding actions.In addition, hydraulic package 403 or air pressure component can also be by motor and motor-driven ball-screws
Component replaces.
The present invention is by first piercing the preceding needle of blood taking needle 100 when with the blood drawing gun of the first driving mechanism, blood was collected
Portion 101 is planted into patient vessel, then connects the syringe 200 of the tailstock 300 assembled and the interconnecting piece 102 of blood taking needle
It connects, is then rotated by the driving clamping disk 303 that circuit control device controls rotary drive assembly, when clamping on clamping disk 303
Heparin tube when reaching designated position alignment blood sampling Aculeata, the rotary drive motor 401 of rotary drive assembly stops work
Make, mobile driving assembly movement, driving clamping disk 303 Forward is inserted into the glue of heparin tube so as to the rear needle thorn portion 103 of blood taking needle
In plug, blood sampling is completed by the negative pressure in heparin tube, finally, circuit control device controls mobile driving assembly movement, with driving
Clamping disk 303 moves back, and separates the rear needle thorn portion 103 of blood taking needle with current heparin tube, after moving back in place, is driven by control rotation
The movement of dynamic motor 401 and mobile driving assembly, driving clamping disk repeats above-mentioned rotation, Forward movement, so as to clamping disk 303
More heparin tubes of upper clamping are respectively completed blood sampling operation, and after blood sampling, tailstock is removed from syringe, remove on clamping disk
More heparin tubes.
Alternatively, the present invention can also be using second of driving mechanism as shown in Figure 8, the mobile driving group of the driving mechanism
Part includes: the rotary drive motor 411 being mounted in the shell 301 of tailstock 300, motor shaft along tailstock 300 axis side
To extending inwardly；The driving gear 412 being mounted on motor shaft；The first driven gear being connect with 412 external toothing of driving gear
410；The first bevel gear 405 being mounted on the gear shaft of the first driven gear 410；With the of 405 external toothing of first bevel gear
Two bevel gears 406, gear shaft extend along the radial direction of tailstock 300；It is mounted on the gear shaft of second bevel gear 406
Mobile driving gear 408；The rack gear 409 of connection is engaged with mobile driving gear 408 in one side；Be mounted in tailstock 300 and with
The sliding rail 407 that the other side of rack gear 409 is slidably connected.Wherein, the end of rack gear 409 links together with clamping disk 303, passes through
Rotary drive motor 411 rotates, and mobile driving gear 408 is finally driven to rotate, thus in the effect of mobile driving gear 408
Under, band carry-over bar 409 is slided with respect to sliding rail 407, and then keeps clamping disk 303 mobile relative to tailstock 300.Wherein, rack gear 409 and cunning
The length extending direction of rail 407 is axial parallel with the shell of tailstock 301.
Wherein, the rotary drive assembly of second of structure includes: the second driven gear with 412 external toothing of driving gear
413, the two sides of driving gear 412 are located at the first driven gear 410；The cylindrical in shape of 303 tail end of clamping disk is set
Clamping cylinder 306, inner wall be arranged the gear teeth so as to 413 internal messing of the second driven gear；Wherein, pass through rotary drive motor 411
Rotation drives the rotation of the second driven gear 413, to drive clamping disk 303 to rotate under the action of the second driven gear 413.
When wherein, using second of structure, clamping disk 303 can be integrally formed with clamping cylinder 306, can also be by other
Mode links together.For stable structure, a pair of of linking arm 307, a linking arm are also installed on clamping cylinder 306 of the invention
307 serve as the rotary shaft 307 of the second driven gear 413, another linking arm is connect with sliding rail 407 with sliding rail.And in clamping disk
303 center disposes shaft 308, and shaft 308 is connect by spline with clamping disk 303, can also be connected, be made by slotting platform slot
Obtaining clamping disk 303 can rotate under the drive of shaft 308, can also move back and forth along shaft 308.Equally, shaft 308
Front end stretch out in clamping disk 303, and be rotatablely connected with the bearing in syringe.
Using second of structure of the invention, when rotary drive motor 411 rotates, driving gear can drive the simultaneously
One driven gear and the rotation of the second driven gear, to make clamping disk on the one hand rotate under the drive of shaft, on the other hand again
Along the axial advancement of shaft, thus make clamping on clamping disk a heparin tube be aligned blood taking needle and with the portion's grafting of rear needle thorn.
When design, the rotation angle of clamping disk and the speed of Forward need to be rationally designed, so that the heparin tube on clamping disk can be with rear needle
Complete the movement for being aligned with docking in thorn portion.
Alternatively, driving mechanism of the invention can also be using the third structure as shown in Figure 9, the mobile drive of this kind of structure
Dynamic component includes: the mobile driving motor 414 being mounted in the shell 301 of tailstock 300, motor shaft along tailstock 300 axis
Line direction extends inwardly；The screw rod 415 of one end and the motor axis connection of mobile driving motor 414, along flat with tailstock axis
Capable direction extends；The guide rail 418 being sleeved on outside screw rod 415；Wherein, guide rail 418 and 303 direct or indirect connection of clamping disk
(being indirectly connected with shown in Fig. 9) drives clamping disk 303 to move back and forth by mobile driving motor 414.
Further, also set up sliding rail 416 in 301 inner wall of shell, sliding rail 416 along 301 inner wall of shell depth direction
Extend, guide rail 418 is slidably connected with sliding rail 416.The other end setting of screw rod 415 is for limiting the mobile limited block of guide rail 418
417。
The rotary drive assembly of the third structure includes: the rotary drive motor 419 being mounted on guide rail 418, motor
Axis extends inwardly along the axis direction of 300 shell 301 of tailstock；External splines or slot on motor shaft outer wall are set；Wherein,
Internal spline compatible with the external splines of motor shaft or the slotting platform with slot grafting is arranged in the center of clamping disk 303, will pass through
Rotary drive motor drives clamping disk 303 to rotate.The rotary drive assembly of this structure is mounted on guide rail 418, therefore can be with leading
418 synchronizing moving of rail.
Alternatively, installing transmission shaft on motor shaft, shaft 308, shaft 308 and transmission are installed at the center of clamping disk 303
External splines or slot is arranged in axis connection on shaft outer wall, mutually fits in the centre bore setting of clamping disk 303 and the external splines of shaft
The internal spline matched or the slotting platform with slot grafting drive clamping disk 303 to rotate will pass through rotary drive motor.When assembling, electricity
The front end of arbor or shaft 304 stretches out in clamping disk 303 and is placed in bearing 205, to be shaft 304 by bearing 205
Rotational support is provided.
When taking a blood sample using the driving mechanism of the third structure of the invention, circuit control device control rotation driving group is first passed through
The driving clamping disk 303 of part rotates, when a heparin tube of clamping on clamping disk 303 reaches designated position alignment blood sampling Aculeata
When, the rotary drive motor 419 of rotary drive assembly stops working, mobile driving assembly movement, drive the Forward of clamping disk 303 with
Just the rear needle thorn portion 103 of blood taking needle is inserted into the rubber plug of heparin tube, blood sampling is completed by the negative pressure in heparin tube, finally, electric
Road control device controls mobile driving assembly driving clamping disk 303 and moves back, and makes the rear needle thorn portion 103 of blood taking needle and current heparin tube
Separation.
Wherein, circuit control device of the invention may include following elements: power module, for providing each device work
The operating voltage of Shi Suoxu can use DC power supply, can also use AC power source；Angle detection module, for detecting dress
The rotation angle of chuck；Stroke detection module, for detecting the moving distance of clamping disk；Control module, for controlling each motor
Or the working condition of hydraulic or air pressure component drive module；Drive module, positive and negative rotation or hydraulic, air pressure for driving motor
Component stretches.
When circuit control device works, each module executes corresponding function according to the specific structure of each driving mechanism.Assuming that
When each mechanism is in not operating initial position, if heparin tube is docked with blood taking needle, need to make clamping disc spins certain angle
And the certain distance that moves forward, below only with using in the case where the third driving mechanism of the invention, to the work of circuit control device
It is described as process.
Control module rotates forward (or reversion) signal to for driving the rotation drive module of rotary drive motor 419 to issue,
So that the motor rotates forward (or reversion), drives clamping disc spins, first heparin tube positive alignment of clamping on clamping disk is made to take a blood sample
The tail portion of needle；When angle detection module detects that the rotation angle of clamping disk meets the requirements, control module drives mould to rotation
Block issues stalling signal, and to for driving the mobile drive module of mobile driving motor 414 to issue positive rotaring signal, mobile driving
Motor rotates forward, drives the Forward of clamping disk；When stroke detection module detects that the Forward distance of clamping disk meets the requirements, mould is controlled
Block issues stalling signal to mobile drive module, and first heparin tube on clamping disk is docked with blood taking needle at this time, to utilize
Current heparin tube blood was collected operation；When the liquid measure that acquires in current heparin tube reaches default liquid measure, control module is to shifting
Dynamic drive module issues reverse signal, and mobile driving motor reversion drives clamping disk to move back, and keeps current heparin tube and blood taking needle de-
From；When stroke detection module detects when moving back distance and meeting the requirements of clamping disk, control module is issued to mobile drive module
Signal is stalled, and is issued to rotation drive module and rotates forward (or reversion) signal, rotary drive motor rotates forward (or reversion), drives dress
Chuck rotation, makes the tail portion ... ... of next heparin tube positive alignment blood taking needle of clamping on clamping disk, executes repeatedly above-mentioned
Operation completes whole blood acquisition operation up to collecting the blood for meeting liquid measure in each heparin tube on clamping disk.
Wherein, for the ease of in time according to each module action of blood volume collected in heparin tube driving, pumping of the invention
Blood rifle can also include the liquid measure that default liquid measure whether is reached for detecting the blood volume acquired in the heparin tube currently taken a blood sample
Detection module (not shown), liquid inspection module setting can use infrared detection module, fingerprint identification module in tailstock inner wall, can also be with
For pressure detecting module or other detection modules.When the blood volume acquired in current heparin tube reaches default liquid measure, liquid measure
Detection module sends signal to control module, and control module controls other modules according to the signal and executes corresponding actions, to work as
Preceding heparin tube and blood taking needle is detached from.
Alternatively, the present invention can also drive each mechanism action using automanual mode, that is, observed by peep hole 203
Whether the blood volume acquired in current heparin tube meets the requirements, and therefore, is not required to setting liquid inspection module.In addition, each motor or
Hydraulic or air pressure component can be connect with the control button for controlling its movement respectively, to be pressed by individually pressing corresponding control
Button makes each motor or hydraulic or air pressure component execute corresponding actions, to realize forward and backward or expanding-contracting action, make heparin tube with
Blood taking needle docking is detached from.
In conclusion compared with prior art, the automatic blood drawing gun of multiple filling of the invention has the advantages that
1, the automatic blood drawing gun of multiple filling of the invention, can disposably install more heparin tubes, when a blood sampling blood sampling tube
At the end of, next heparin tube alignment blood taking needle to be taken a blood sample can be made automatically, when reducing more blood sampling blood sampling tubes in the prior art
The operation of heparin tube need to be replaced back and forth, increases the success rate that one-time puncture completes multitube blood sampling, reduced blood sampling operation failure and brought
Trouble；
2, the automatic blood drawing gun of multiple filling of the invention, the clamping disk for clamping heparin tube is placed in tailstock, and tail
Seat is detachably connected with syringe, so that filling or disassembly heparin tube are very convenient, and the heparin tube of the prior art can be used；
3, the automatic blood drawing gun of multiple filling of the invention is not required to medical staff in blood collection procedure and directly contacts blood sampling with hand
Pipe, so that blood spluttering when medical staff being avoided to replace heparin tube, protection medical staff avoid infection.
4, the automatic blood drawing gun of multiple filling of the invention, clamping disk clamping heparin tube is quick and easy, is conducive to clear to heparin tube
Clean and disinfection.
Although the present invention has been described above with particularity, however, the present invention is not limited thereto, those skilled in the art can
It is modified with principle according to the present invention, therefore, the various modifications that all principles according to the invention carry out all should be understood as
Fall into protection scope of the present invention.
Claims (10)
1. a kind of multiple automatic blood drawing gun of filling characterized by comprising
Its front end is used for the syringe being detachably connected with blood taking needle；
The tailstock being detachably connected with back end of syringe；
The clamping disk for more heparin tubes of clamping being mounted on tailstock；
Drive the driving mechanism of clamping disc spins and linear movement；
Wherein, the clamping disc spins and Forward are driven by the driving mechanism, makes the to be taken a blood sample of the clamping disk clamping
It is docked with the blood taking needle heparin tube front end.
2. the multiple automatic blood drawing gun of filling according to claim 1, which is characterized in that further include:
Be arranged in the tailstock inner wall for detect the blood volume acquired in the heparin tube currently taken a blood sample whether reach it is default
The liquid inspection module of liquid measure.
3. the automatic blood drawing gun of multiple filling according to claim 2, which is characterized in that the syringe includes:
The cylindrical body of open rearward end；
The protrusion of cylindrical body front end is set；
Wherein, the protrusion is cylinder；
Wherein, the cylinder is threadedly coupled or grafting or clamping with the interconnecting piece of the blood taking needle.
4. the multiple automatic blood drawing gun of filling according to claim 1-3, which is characterized in that the driving mechanism packet
It includes:
The rotary drive assembly for being used to drive the clamping disc spins being mounted in the tailstock；
It is mounted in the tailstock and is used to that the clamping disk to be driven to move driving group along what the axis direction of the tailstock moved
Part.
5. the automatic blood drawing gun of multiple filling according to claim 4, which is characterized in that the rotary drive assembly includes:
The rotary drive motor being mounted in the tailstock, motor shaft extend inwardly along the axis direction of the tailstock；
External splines or slot on motor shaft outer wall are set；
Wherein, the center of the clamping disk is arranged internal spline compatible with the external splines of the motor shaft or inserts with the slot
The slotting platform connect, so as to the clamping disk can the axis direction under external force along the motor shaft move.
6. the automatic blood drawing gun of multiple filling according to claim 5, which is characterized in that the mobile driving assembly includes:
The hydraulic package or air pressure component being mounted in the tailstock, the axis of piston rod are parallel to the axis of the tailstock；
Wherein, the piston rod of the hydraulic package or air pressure component is connect with the rear end of the clamping disk, will pass through piston rod
Drive the clamping disk stretching motion.
7. the automatic blood drawing gun of multiple filling according to claim 4, which is characterized in that the mobile driving assembly includes:
The rotary drive motor being mounted in the tailstock, motor shaft extend inwardly along the axis direction of the tailstock；
The driving gear being mounted on motor shaft；
The first driven gear being connect with driving gear external toothing；
The first bevel gear being mounted on the gear shaft of the first driven gear；
With the second bevel gear of first bevel gear external toothing, gear shaft extends along the radial direction of the tailstock；
The mobile driving gear being mounted on the gear shaft of second bevel gear；
The rack gear of connection is engaged with mobile driving gear in one side；
It is mounted on the sliding rail being slidably connected in the tailstock and with the other side of rack gear；
Wherein, the rack gear is connect with the clamping disk；
Wherein, the mobile driving gear rotation is driven by rotary drive motor rotation, so as in the mobile driving
Under the action of gear, the relatively described sliding rail sliding of the rack gear is driven, keeps the clamping disk mobile relative to the tailstock.
8. the automatic blood drawing gun of multiple filling according to claim 7, which is characterized in that the rotary drive assembly includes:
With the driving gear external toothing and positioned at the second driven gear of first driven gear opposite side；
The clamping cylinder of the clamping disk tail end, inner wall and the second driven gear internal messing are set；
Wherein, second driven gear is driven to rotate by rotary drive motor rotation, so as to passive described second
Under the action of gear, the clamping disc spins are driven.
9. the automatic blood drawing gun of multiple filling according to claim 4, which is characterized in that the mobile driving assembly includes:
The mobile driving motor being mounted in the tailstock, motor shaft extend inwardly along the axis direction of the tailstock；
With the screw rod of the motor axis connection of mobile driving motor；
The guide rail being sleeved on outside screw rod；
Wherein, the guide rail and the clamping disk direct or indirect connection；
Wherein, by the mobile driving motor, drive the clamping disk mobile.
10. the automatic blood drawing gun of multiple filling according to claim 9, which is characterized in that the rotary drive assembly includes:
The rotary drive motor being mounted on the guide rail, motor shaft extend inwardly along the axis direction of the tailstock；
External splines or slot on motor shaft outer wall are set；
Wherein, the center of the clamping disk is arranged internal spline compatible with the external splines of the motor shaft or inserts with the slot
The slotting platform connect drives the clamping disc spins will pass through the rotary drive motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670396.4A CN109381199A (en) | 2017-08-08 | 2017-08-08 | The multiple automatic blood drawing gun of filling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670396.4A CN109381199A (en) | 2017-08-08 | 2017-08-08 | The multiple automatic blood drawing gun of filling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109381199A true CN109381199A (en) | 2019-02-26 |
Family
ID=65413936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710670396.4A Pending CN109381199A (en) | 2017-08-08 | 2017-08-08 | The multiple automatic blood drawing gun of filling |
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| Country | Link |
|---|---|
| CN (1) | CN109381199A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111134690A (en) * | 2020-01-19 | 2020-05-12 | 华中科技大学同济医学院附属协和医院 | Intelligent needle changing system based on automatic blood sampling machine and control method thereof |
| CN111544014A (en) * | 2019-09-29 | 2020-08-18 | 华中科技大学同济医学院附属协和医院 | Rotating wheel type blood sampling gun and control method thereof |
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