CN108324289A - A kind of blood collection device of medical test - Google Patents
A kind of blood collection device of medical test Download PDFInfo
- Publication number
- CN108324289A CN108324289A CN201810345590.XA CN201810345590A CN108324289A CN 108324289 A CN108324289 A CN 108324289A CN 201810345590 A CN201810345590 A CN 201810345590A CN 108324289 A CN108324289 A CN 108324289A
- Authority
- CN
- China
- Prior art keywords
- heparin tube
- blood
- gear
- fixed
- taking needle
- 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.)
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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
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
-
- 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
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150312—Sterilisation of piercing elements, piercing devices or sampling devices
- A61B5/150335—Sterilisation of piercing elements, piercing devices or sampling devices by radiation
-
- 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
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150541—Breakable protectors, e.g. caps, shields or sleeves, i.e. protectors separated destructively, e.g. by breaking a connecting area
-
- 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
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150572—Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
Abstract
The invention discloses a kind of blood collection devices of medical test of the field of medical instrument technology, including shell, heparin tube and blood taking needle, the present invention makes stationary contact be contacted with movable contact by rotating heparin tube, and electromagnet is powered, piston plate moves up under the action of heteropolar attracting, it is rotated by screw rod, making to present a theatrical performance as the last item on a programme drives fixed block and blood taking needle to move down, and the syringe needle of blood taking needle passes through needle mouth, close the power supply of stationary contact, piston plate is gradually moved up by the effect of upper spring, and blood was collected, and blood sampling is convenient；Make to present a theatrical performance as the last item on a programme by screw rod again and move up, blood taking needle is moved up by the effect of lower spring, takes in shell, avoids surprisingly stabbing patient or medical staff；When needing replacing blood taking needle, another heparin tube and blood taking needle is set to turn at needle mouth by rotational sleeve, blood was collected, and conversion is convenient, can be carried out continuously multiple blood collection, time saving and energy saving, and heparin tube is equipped with digital label, and blood sample is avoided to obscure；The present invention is easy to operate, easy to use, and blood sampling is efficient.
Description
Technical field
The present invention relates to the field of medical instrument technology, specially a kind of blood collection device of medical test.
Background technology
Medical test is the subject that medical diagnosis is carried out with modern physics chemical method and means, is mainly studied
How to be clinical diagnosis by laboratory technique, medical instruments and equipment, treatment foundation is provided, by medical test come surveyor's
Blood group, determine a people whether anaemia and liver function it is whether normal etc..It usually needs to carry out blood collection in blood testing, it is existing
Some blood collection methods generally carry out Procedures of blood-collection, but syringe or blood sampling needle construction by syringe or blood taking needle
Simply, only setting is there are one syringe needle, when acquiring that blood volume is larger or more people carry out blood collection, it may be necessary to continuous to replace
Syringe or blood taking needle, it is time-consuming and laborious, increase the working strength of medical staff, therefore existing blood collection device uses fiber crops
Tired, working efficiency is low.
Based on this, the present invention devises a kind of blood collection device of medical test, to solve the above problems.
Invention content
The purpose of the present invention is to provide a kind of blood collection devices of medical test, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：A kind of blood collection device of medical test, packet
Shell, heparin tube and blood taking needle are included, placed cavity is equipped in the shell, the top of placed cavity is equipped with gear cavity, the placed cavity
Center at be equipped with rotation axis, the bottom end of rotation axis is fixedly connected with screw rod, and gear cavity is stretched into the top surface that top went out placed cavity
In, and it is fixedly connected with second gear, second gear is engaged with third gear, and the bottom end of the screw rod and the bottom surface of placed cavity turn
Dynamic connection, and the bottom surface side of placed cavity is additionally provided with needle mouth, is also socketed with the side presented a theatrical performance as the last item on a programme, presented a theatrical performance as the last item on a programme on the screw rod by screw thread
Equipped with extension table, the other side is equipped with limiting slot, and the bottom surface of the placed cavity, which corresponds to, is fixed with gag lever post, and gag lever post is slided with limiting slot
Dynamic connection；The upper socket of the rotation axis has sleeve, and rack gear is fixed on the top of sleeve, and is engaged with the first tooth by gear ring
Wheel, the heparin tube are evenly arranged with multiple along the circumferencial direction of sleeve, and the top of heparin tube is fixedly connected with sleeve；It is described
It is fixed with movable contact at the top of heparin tube, a stationary contact is correspondingly provided on the inner wall of shell, stationary contact is connected with power supply, described
The inner cavity top of heparin tube is equipped with electromagnet, and electromagnet is electrically connected with contact is stored away in winter, and work is additionally provided in the inner cavity of the heparin tube
The top surface of seben, piston plate is fixed with permanent magnet and upper spring, and the magnetic pole of the permanent magnet is different with the magnetic pole of the electromagnet,
The top of the upper spring is fixedly connected with the top surface of heparin tube, and digital label is fixed in the upper portion side wall of the heparin tube,
An observation window is correspondingly provided on the side wall of shell；The blood taking needle is evenly arranged with multiple, number along the circumferencial direction of screw rod
It is identical as the number of heparin tube, and corresponded with heparin tube, the top of the blood taking needle passes through the bottom surface of heparin tube to stretch into and adopts
In the inner cavity of blood vessel and it is fixed with top plate, lower spring is equipped between the top plate and the bottom surface of heparin tube, in the heparin tube
Lower part is fixed with fixed block, one of them described fixed block is correspondingly connected with the extension table bottom surface presented a theatrical performance as the last item on a programme.
Preferably, the bottom sidewall of the placed cavity is equipped with multiple sterilamps.
Preferably, gear shaft is respectively and fixedly provided at the center of the first gear and third gear, one end of gear shaft is stretched out
The top surface of shell is simultaneously fixed with turning handle.
Preferably, the stationary contact is located at observation window on the same straight line of housing sidewall.
Preferably, transparent plastic sheet is equipped in the observation window.
Preferably, heparin tube and six blood taking needles there are six being uniformly arranged in the shell.
Preferably, the front end of the extension table is arc-shaped, and the center of circle of the circular arc is overlapped with the center of circle of shell, and circular arc
Radius be less than the distance between blood taking needle and the circular arc center of circle.
Preferably, the junction of the rotation axis and screw rod is fixed with limiting stand, the bottom surface of the heparin tube and limiting stand
It is correspondingly connected with.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention by heparin tube and blood taking needle by turning to needle
At mouthful, stationary contact is contacted with movable contact, and electromagnet is powered, and piston plate moves up under the action of heteropolar attracting, passes through rotation axis band
Dynamic screw rod rotation, making to present a theatrical performance as the last item on a programme drives fixed block and blood taking needle to move down, and the syringe needle of blood taking needle passes through needle mouth, closes the electricity of stationary contact
Source, piston plate are gradually moved up by the effect of upper spring, and blood was collected, and blood sampling is convenient；After blood sampling, make to present a theatrical performance as the last item on a programme by screw rod
It moves up, by the effect of lower spring, blood taking needle moves up, and takes in shell, and blood taking needle is avoided surprisingly to stab patient or medical staff；
When needing replacing blood taking needle, another heparin tube and blood taking needle is set to turn at needle mouth by rotational sleeve, blood was collected, conversion
It is convenient, it can be carried out continuously multiple blood collection, it is time saving and energy saving, and heparin tube is equipped with digital label, and blood sample is avoided to obscure；This hair
Bright easy to operate, easy to use, blood sampling is efficient.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is A-A sectional views of the present invention；
Fig. 3 is the superstructure schematic diagram of heparin tube of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows：
1- shells, 101- needle mouths, 102- placed cavities, 103- gear cavities, 104- stationary contacts, 105- observation windows, 2- heparin tubes,
201- movable contacts, 202- electromagnet, the upper springs of 203-, 204- permanent magnets, 205- piston plates, 206- digital labels, 3- blood taking needles,
301- fixed blocks, 302- top plates, spring under 303-, 4- sleeves, 401- gear rings, 402- first gears, 5- rotation axis, 501- spiral shells
Bar, 502- present a theatrical performance as the last item on a programme, 503- limiting stands, 504- second gears, 505- third gears, 6- gag lever posts, 7- turning handles, 8- sterilamps.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Attached drawing is please referred to, the present invention provides a kind of technical solution：A kind of blood collection device of medical test, including shell
Body 1, heparin tube 2 and blood taking needle 3, placed cavity 102 is equipped in the shell 1, and the top of placed cavity 102 is equipped with gear cavity 103, institute
It states and is equipped with rotation axis 5 at the center of placed cavity 102, the bottom end of rotation axis 5 is fixedly connected with screw rod 501, and top went out placed cavity
102 top surface is stretched into gear cavity 103, and is fixedly connected with second gear 504, and second gear 504 is engaged with third gear
505, the bottom end of the screw rod 501 is rotatablely connected with the bottom surface of placed cavity 102, and the bottom surface side of placed cavity 102 is additionally provided with needle
Mouthfuls 101, it is also socketed with by screw thread on the screw rod 501 and presents a theatrical performance as the last item on a programme 502,502 side of presenting a theatrical performance as the last item on a programme is equipped with extension table, and the other side is equipped with
Limiting slot, the bottom surface of the placed cavity 102, which corresponds to, is fixed with gag lever post 6, and gag lever post 6 is slidably connected with limiting slot；The rotation
The upper socket of axis 5 has sleeve 4, and rack gear 401 is fixed on the top of sleeve 4, and is engaged with first gear 402 by gear ring 401,
The heparin tube 2 is evenly arranged with multiple along the circumferencial direction of sleeve 4, and the top of heparin tube 2 is fixedly connected with sleeve 4；Institute
The top for stating heparin tube 2 is fixed with movable contact 201, and a stationary contact 104 is correspondingly provided on the inner wall of shell 1, and stationary contact 104 connects
It is connected to power supply, the inner cavity top of the heparin tube 2 is equipped with electromagnet 202, and electromagnet 202 is electrically connected with stationary contact 104, described to adopt
Be additionally provided with piston plate 205 in the inner cavity of blood vessel 2, the top surface of piston plate 205 is fixed with permanent magnet 204 and upper spring 203, it is described forever
The magnetic pole of magnet 204 is different with the magnetic pole of the electromagnet 202, and the top and the top surface of heparin tube 2 of the upper spring 203 are fixed
It connects, is fixed with digital label 206 in the upper portion side wall of the heparin tube 2, an observation window is correspondingly provided on the side wall of shell 1
105；The blood taking needle 3 is evenly arranged with multiple along the circumferencial direction of screw rod 501, and number is identical as the number of heparin tube 2, and with
Heparin tube 2 corresponds, and the top of the blood taking needle 3 in the inner cavity that heparin tube 2 is stretched into the bottom surface of heparin tube 2 and is fixed with
Top plate 302 is equipped with lower spring 303 between the top plate 302 and the bottom surface of heparin tube 2, the middle and lower part of the heparin tube 2 is fixed with
Fixed block 301, one of them described fixed block 301 are correspondingly connected with the 502 extension table bottom surface of presenting a theatrical performance as the last item on a programme.
Wherein, the bottom sidewall of placed cavity 102 is equipped with multiple sterilamps 8, by sterilamp 8 to the blood taking needle in project
3 carry out disinfection；Gear shaft is respectively and fixedly provided at the center of first gear 402 and third gear 505, shell is stretched out in one end of gear shaft
1 top surface is simultaneously fixed with turning handle 7, makes sleeve 4 by turning handle 7 or the rotation of moving axis 5 of walking around；Stationary contact 104 is located at observation window 105
On the same straight line of 1 side wall of shell, when heparin tube 2 being made to turn to observation window 105, digital label 206 is located exactly at observation window 105
Place, and stationary contact 104 is contacted with movable contact 201, electromagnet 202 is powered, and piston moves up；Transparent plastic is equipped in observation window 105
Plate makes 1 inner cavity of shell close, while will not block digital label 206 by transparent plastic sheet；It is evenly arranged with six in shell 1
A heparin tube 2 and six blood taking needles 3 can be carried out continuously six blood samplings, improve working efficiency；The front end of extension table is arc-shaped,
The center of circle of circular arc is overlapped with the center of circle of shell 1, and the radius of circular arc is less than the distance between blood taking needle 3 and the circular arc center of circle, is increased
The contact area of extension table and fixed block 301, while extension table being avoided to be contacted with blood taking needle 3；The company of rotation axis 5 and screw rod 501
The place of connecing is fixed with limiting stand 503, and bottom surface and the limiting stand 503 of heparin tube 2 are correspondingly connected with, and limits the axial position of heparin tube 2, keeps away
Exempt from 2 accidental movement of heparin tube, gear ring 401 is disengaged from first gear 402.
One of the present embodiment has particular application as：Heparin tube 2 and blood taking needle 3 are turned at needle mouth 101, stationary contact 104
It is contacted with movable contact 201, electromagnet 202 is powered, and piston plate 205 is moved up under the action of heteropolar attracting, driven by rotation axis 5
Screw rod 501 rotates, and makes to present a theatrical performance as the last item on a programme 502 drive fixed blocks 301 and blood taking needle 3 moves down, the syringe needle of blood taking needle 3 passes through needle mouth 101, closes
The power supply of stationary contact 104, piston plate 205 are gradually moved up by the effect of upper spring 203, and blood was collected, and blood sampling is convenient；Blood sampling knot
Shu Hou, making to present a theatrical performance as the last item on a programme by screw rod 501 502 moves up, and by the effect of lower spring 303, blood taking needle 3 moves up, and takes in shell 1, keeps away
Exempt from blood taking needle 3 and surprisingly stabs patient or medical staff；When needing replacing blood taking needle 3, another heparin tube is made by rotational sleeve 4
2 and blood taking needle 3 turn at needle mouth 101, blood was collected, and conversion is convenient, can be carried out continuously multiple blood collection, time saving and energy saving,
And heparin tube 2 is equipped with digital label 206, and blood sample is avoided to obscure.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment only illustrates the present invention with help.Preferred embodiment is chatted there is no detailed
All details are stated, are not limited the invention to the specific embodiments described.It obviously, can according to the content of this specification
It makes many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention only by
The limitation of claims and its full scope and equivalent.
Claims (8)
1. a kind of blood collection device of medical test, including a kind of blood collection device of medical test, including shell,
Heparin tube and blood taking needle, it is characterised in that：Placed cavity is equipped in the shell, the top of placed cavity is equipped with gear cavity, described to put
It sets and is equipped with rotation axis at the center of chamber, the bottom end of rotation axis is fixedly connected with screw rod, and tooth is stretched into the top surface that top went out placed cavity
It takes turns in chamber, and is fixedly connected with second gear, second gear is engaged with third gear, the bottom end of the screw rod and the bottom of placed cavity
Face is rotatablely connected, and the bottom surface side of placed cavity is additionally provided with needle mouth, is also socketed with and is presented a theatrical performance as the last item on a programme by screw thread on the screw rod, presented a theatrical performance as the last item on a programme
Side is equipped with extension table, and the other side is equipped with limiting slot, and the bottom surface of the placed cavity, which corresponds to, is fixed with gag lever post, gag lever post and limit
Slot is slidably connected；The upper socket of the rotation axis has a sleeve, and rack gear is fixed on the top of sleeve, and is engaged with the by gear ring
One gear, the heparin tube are evenly arranged with multiple along the circumferencial direction of sleeve, and the top of heparin tube is fixedly connected with sleeve；
It is fixed with movable contact at the top of the heparin tube, a stationary contact is correspondingly provided on the inner wall of shell, stationary contact is connected with power supply,
The inner cavity top of the heparin tube is equipped with electromagnet, and electromagnet is electrically connected with contact is stored away in winter, is also set in the inner cavity of the heparin tube
There are piston plate, the top surface of piston plate to be fixed with permanent magnet and upper spring, the magnetic pole of the magnetic pole of the permanent magnet and the electromagnet
Different, the top of the upper spring is fixedly connected with the top surface of heparin tube, and number is fixed in the upper portion side wall of the heparin tube
Label is correspondingly provided with an observation window on the side wall of shell；The blood taking needle be evenly arranged with along the circumferencial direction of screw rod it is multiple,
Number is identical as the number of heparin tube, and is corresponded with heparin tube, and the top of the blood taking needle passes through the bottom surface of heparin tube to stretch
Enter in the inner cavity of heparin tube and be fixed with top plate, lower spring, the heparin tube are equipped between the top plate and the bottom surface of heparin tube
Middle and lower part be fixed with fixed block, one of them described fixed block is correspondingly connected with the extension table bottom surface presented a theatrical performance as the last item on a programme.
2. the blood collection device of medical test according to claim 1, it is characterised in that：The bottom of the placed cavity
Side wall is equipped with multiple sterilamps.
3. the blood collection device of medical test according to claim 1, it is characterised in that：The first gear and
Gear shaft is respectively and fixedly provided at the center of three gears, one end of gear shaft stretches out the top surface of shell and is fixed with turning handle.
4. the blood collection device of medical test according to claim 1, it is characterised in that：The stationary contact and observation
Window is located on the same straight line of housing sidewall.
5. the blood collection device of medical test according to claim 1, it is characterised in that：It is equipped in the observation window
Transparent plastic sheet.
6. the blood collection device of medical test according to claim 1, it is characterised in that：It is uniformly set in the shell
Heparin tube and six blood taking needles there are six setting.
7. according to the blood collection device of claim 1~6 any one of them medical test, it is characterised in that：It is described to prolong
The front end for stretching platform is arc-shaped, and the center of circle of the circular arc is overlapped with the center of circle of shell, and the radius of circular arc is less than blood taking needle and circle
The distance between arc center of circle.
8. according to the blood collection device of claim 1~7 any one of them medical test, it is characterised in that：Described turn
The junction of moving axis and screw rod is fixed with limiting stand, and bottom surface and the limiting stand of the heparin tube are correspondingly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345590.XA CN108324289B (en) | 2018-04-17 | 2018-04-17 | Blood collection system that medical science inspection was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345590.XA CN108324289B (en) | 2018-04-17 | 2018-04-17 | Blood collection system that medical science inspection was used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108324289A true CN108324289A (en) | 2018-07-27 |
| CN108324289B CN108324289B (en) | 2020-12-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810345590.XA Active CN108324289B (en) | 2018-04-17 | 2018-04-17 | Blood collection system that medical science inspection was used |
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| CN (1) | CN108324289B (en) |
Cited By (7)
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| CN109520781A (en) * | 2018-11-23 | 2019-03-26 | 周瑛瑛 | A kind of paediatrics inspection blood sampler |
| CN109907764A (en) * | 2019-04-03 | 2019-06-21 | 河南师范大学 | A kind of portable multi-function blood pressure and blood lipoid analyzer |
| CN110192871A (en) * | 2019-03-20 | 2019-09-03 | 南昌大学第二附属医院 | Portable dynamic venous blood collection instrument |
| CN110613463A (en) * | 2019-10-29 | 2019-12-27 | 南京市儿童医院 | Blood sampling device for neonates |
| CN110720932A (en) * | 2019-10-31 | 2020-01-24 | 安徽文天信息科技有限公司 | Be provided with multi-needle structure's piercing depth for blood test |
| CN110840465A (en) * | 2019-11-30 | 2020-02-28 | 中国人民解放军陆军军医大学第一附属医院 | Automatic retraction blood taking needle |
| CN111855311A (en) * | 2020-07-29 | 2020-10-30 | 吉林大学 | High-precision sampler for medical experiment |
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