CN108324289B - Blood collection system that medical science inspection was used - Google Patents
Blood collection system that medical science inspection was used Download PDFInfo
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- CN108324289B CN108324289B CN201810345590.XA CN201810345590A CN108324289B CN 108324289 B CN108324289 B CN 108324289B CN 201810345590 A CN201810345590 A CN 201810345590A CN 108324289 B CN108324289 B CN 108324289B
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- blood
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150343—Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—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 blood collecting device for medical examination in the technical field of medical instruments, which comprises a shell, a blood collecting tube and a blood collecting needle, wherein a static contact is in contact with a movable contact by rotating the blood collecting tube, an electromagnet is electrified, a piston plate moves upwards under the action of heteropolar attraction, a pressing table drives a fixed block and the blood collecting needle to move downwards by the rotation of a screw rod, a needle head of the blood collecting needle passes through a needle opening, a power supply of the static contact is closed, the piston plate gradually moves upwards under the action of an upper spring to collect blood, and the blood collection is convenient; the pressing table moves upwards through the screw, and the blood taking needle moves upwards under the action of the lower spring and is retracted into the shell, so that the patient or medical staff are prevented from being accidentally stabbed; when the blood taking needle needs to be replaced, the other blood taking tube and the blood taking needle are rotated to the needle opening through rotating the sleeve, blood taking is carried out, conversion is convenient, multiple times of blood collection can be continuously carried out, time and labor are saved, and the blood taking tube is provided with the digital label, so that blood sample confusion is avoided; the blood sampling device is simple to operate, convenient to use and high in blood sampling efficiency.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a blood collecting device for medical examination.
Background
Medical testing is a subject of medical diagnosis using modern physicochemical methods and means, and mainly studies how to provide basis for clinical diagnosis and treatment through laboratory techniques and medical instruments, identify blood type of a person through medical testing, determine whether a person is anemia and liver function is normal, and the like. Blood collection is often required to be carried out in blood detection, the work of blood collection is generally carried out through syringe or blood taking needle to current blood collection method, but syringe or blood taking needle simple structure only is provided with a syringe needle, when gathering the great or many people of blood volume and carrying out blood collection, syringe or blood taking needle probably need continuous change, waste time and energy, increase medical personnel's working strength, therefore current blood collection device is troublesome to use, work efficiency is low.
Based on this, the invention designs a blood collecting device for medical examination to solve the above problems.
Disclosure of Invention
The present invention is directed to a blood collection device for medical examination to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a blood collection device for medical examination comprises a shell, a blood collection tube and a blood collection needle, wherein a placing cavity is arranged in the shell, a gear cavity is arranged above the placing cavity, a rotating shaft is arranged at the center of the placing cavity, a screw rod is fixedly connected to the bottom end of the rotating shaft, the top end of the screw rod extends into the gear cavity after passing through the top surface of the placing cavity, a second gear is fixedly connected with the screw rod, the second gear is meshed with a third gear, the bottom end of the screw rod is rotatably connected with the bottom surface of the placing cavity, a needle opening is further formed in one side of the bottom surface of the placing cavity, a pressing table is further sleeved on the screw rod through threads, an extending table is arranged on one side of the pressing table, a limiting groove is formed in the other side of the pressing table, a limiting rod is correspondingly; the upper part of the rotating shaft is sleeved with a sleeve, a gear ring is fixed at the top end of the sleeve, a first gear is meshed with the gear ring, a plurality of blood sampling tubes are uniformly arranged along the circumferential direction of the sleeve, and the upper parts of the blood sampling tubes are fixedly connected with the sleeve; the movable contact is fixed on the top of the blood collection tube, the stationary contact is correspondingly arranged on the inner wall of the shell and connected with a power supply, the electromagnet is arranged on the top of the inner cavity of the blood collection tube and electrically connected with the movable contact, the piston plate is further arranged in the inner cavity of the blood collection tube, the permanent magnet and the upper spring are fixed on the top surface of the piston plate, the magnetic pole of the permanent magnet is different from that of the electromagnet, the top end of the upper spring is fixedly connected with the top surface of the blood collection tube, the digital label is fixed on the side wall of the upper part of the blood collection tube, and the observation window is correspondingly arranged on the side wall of the shell; the utility model discloses a blood collection device, including screw rod, blood taking needle, roof, spring, fixed block, one of them, blood taking needle evenly is provided with a plurality ofly along the circumferencial direction of screw rod, and the figure is the same with the figure of heparin tube to with the heparin tube one-to-one, the bottom surface that the top of blood taking needle passed the heparin tube is stretched into in the inner chamber of heparin tube and is fixed with the roof, be equipped with down the spring between the bottom surface of roof and heparin tube, the well lower part of heparin tube is fixed with the fixed block, one of them.
Preferably, a plurality of disinfection lamps are arranged on the side wall of the bottom of the placing cavity.
Preferably, a gear shaft is fixed at the center of each of the first gear and the third gear, and one end of the gear shaft extends out of the top surface of the shell and is fixed with a rotating handle.
Preferably, the stationary contact and the observation window are positioned on the same straight line of the side wall of the shell.
Preferably, a transparent plastic plate is arranged in the observation window.
Preferably, six blood collecting tubes and six blood collecting needles are uniformly arranged in the shell.
Preferably, the front end of the extension table is arc-shaped, the circle center of the arc coincides with the circle center of the shell, and the radius of the arc is smaller than the distance between the blood taking needle and the circle center of the arc.
Preferably, a limiting table is fixed at the joint of the rotating shaft and the screw, and the bottom surface of the blood collection tube is correspondingly connected with the limiting table.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the blood collection tube and the blood collection needle are rotated to the needle opening, the static contact is in contact with the movable contact, the electromagnet is electrified, the piston plate moves upwards under the action of heteropolar attraction, the screw rod is driven to rotate through the rotating shaft, the pressing table drives the fixed block and the blood collection needle to move downwards, the needle head of the blood collection needle passes through the needle opening, the power supply of the static contact is closed, the piston plate gradually moves upwards under the action of the upper spring to collect blood, and the blood collection is convenient; after the blood collection is finished, the pressure table is moved upwards through the screw rod, the blood taking needle is moved upwards and is retracted into the shell under the action of the lower spring, and the blood taking needle is prevented from accidentally stabbing patients or medical care personnel; when the blood taking needle needs to be replaced, the other blood taking tube and the blood taking needle are rotated to the needle opening through rotating the sleeve, blood taking is carried out, conversion is convenient, multiple times of blood collection can be continuously carried out, time and labor are saved, and the blood taking tube is provided with the digital label, so that blood sample confusion is avoided; the blood sampling device is simple to operate, convenient to use and high in blood sampling efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the invention A-A;
FIG. 3 is a schematic view of the upper structure of the blood collection tube of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-shell, 101-needle opening, 102-placing cavity, 103-gear cavity, 104-static contact, 105-observation window, 2-blood taking tube, 201-movable contact, 202-electromagnet, 203-upper spring, 204-permanent magnet, 205-piston plate, 206-digital label, 3-blood taking needle, 301-fixed block, 302-top plate, 303-lower spring, 4-sleeve, 401-gear ring, 402-first gear, 5-rotating shaft, 501-screw, 502-pressing table, 503-limiting table, 504-second gear, 505-third gear, 6-limiting rod, 7-rotating handle and 8-disinfection lamp.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to the drawings, the present invention provides a technical solution: a blood collection device for medical examination comprises a shell 1, a blood collection tube 2 and a blood collection needle 3, wherein a placement cavity 102 is arranged in the shell 1, a gear cavity 103 is arranged above the placement cavity 102, a rotating shaft 5 is arranged at the center of the placement cavity 102, a screw 501 is fixedly connected to the bottom end of the rotating shaft 5, the top end of the screw 501 extends out of the top surface of the placement cavity 102 and extends into the gear cavity 103, a second gear 504 is fixedly connected, the second gear 504 is meshed with a third gear 505, the bottom end of the screw 501 is rotatably connected with the bottom surface of the placement cavity 102, a needle opening 101 is further formed in one side of the bottom surface of the placement cavity 102, a pressing platform 502 is further sleeved on the screw 501 through threads, an extension platform is arranged on one side of the pressing platform 502, a limiting groove is formed in the other side of the pressing platform, a limiting rod 6 is correspondingly fixed on the bottom surface of the placement; the sleeve 4 is sleeved on the upper part of the rotating shaft 5, a gear ring 401 is fixed at the top end of the sleeve 4, a first gear 402 is meshed with the gear ring 401, a plurality of blood sampling tubes 2 are uniformly arranged along the circumferential direction of the sleeve 4, and the upper part of each blood sampling tube 2 is fixedly connected with the sleeve 4; a movable contact 201 is fixed on the top of the blood collection tube 2, a stationary contact 104 is correspondingly arranged on the inner wall of the housing 1, the stationary contact 104 is connected with a power supply, an electromagnet 202 is arranged on the top of an inner cavity of the blood collection tube 2, the electromagnet 202 is electrically connected with the stationary contact 104, a piston plate 205 is further arranged in the inner cavity of the blood collection tube 2, a permanent magnet 204 and an upper spring 203 are fixed on the top surface of the piston plate 205, the magnetic pole of the permanent magnet 204 is different from that of the electromagnet 202, the top end of the upper spring 203 is fixedly connected with the top surface of the blood collection tube 2, a digital label 206 is fixed on the side wall of the upper part of the blood collection tube 2, and an observation window 105 is correspondingly arranged on; blood taking needle 3 evenly is provided with a plurality ofly along screw rod 501's circumferencial direction, and the figure is the same with the figure of heparin tube 2 to with heparin tube 2 one-to-one, the bottom surface that blood taking needle 3 passed heparin tube 2 stretches into in the inner chamber of heparin tube 2 and is fixed with roof 302, be equipped with down spring 303 between roof 302 and the bottom surface of heparin tube 2, the well lower part of heparin tube 2 is fixed with fixed block 301, one of them fixed block 301 corresponds with the extension platform bottom surface of pressing platform 502 to be connected.
Wherein, a plurality of disinfection lamps 8 are arranged on the side wall of the bottom of the placing cavity 102, and the blood taking needle 3 in the subject is disinfected by the disinfection lamps 8; a gear shaft is fixed at the center of each of the first gear 402 and the third gear 505, one end of the gear shaft extends out of the top surface of the shell 1 and is fixed with a rotating handle 7, and the sleeve 4 or the rotating shaft 5 is rotated through the rotating handle 7; the fixed contact 104 and the observation window 105 are positioned on the same straight line of the side wall of the shell 1, so that when the blood sampling tube 2 rotates to the observation window 105, the digital label 206 is just positioned at the observation window 105, the fixed contact 104 is contacted with the movable contact 201, the electromagnet 202 is electrified, and the piston moves upwards; a transparent plastic plate is arranged in the observation window 105, and the inner cavity of the shell 1 is sealed through the transparent plastic plate, and the digital label 206 cannot be shielded; six blood sampling tubes 2 and six blood sampling needles 3 are uniformly arranged in the shell 1, so that blood can be continuously sampled for six times, and the working efficiency is improved; the front end of the extension table is arc-shaped, the circle center of the arc is overlapped with the circle center of the shell 1, the radius of the arc is smaller than the distance between the blood taking needle 3 and the circle center of the arc, the contact area between the extension table and the fixed block 301 is increased, and meanwhile the extension table is prevented from contacting with the blood taking needle 3; the junction of axis of rotation 5 and screw 501 is fixed with spacing platform 503, and the bottom surface of heparin tube 2 corresponds with spacing platform 503 and is connected, and the axial position of restriction heparin tube 2 avoids heparin tube 2 to move by accident, and ring gear 401 and first gear 402 break away from the meshing.
One specific application of this embodiment is: the blood collection tube 2 and the blood collection needle 3 are rotated to the needle opening 101, the fixed contact 104 is contacted with the movable contact 201, the electromagnet 202 is electrified, the piston plate 205 moves upwards under the action of heteropolar attraction, the rotating shaft 5 drives the screw rod 501 to rotate, the pressing platform 502 drives the fixed block 301 and the blood collection needle 3 to move downwards, the needle head of the blood collection needle 3 penetrates through the needle opening 101, the power supply of the fixed contact 104 is closed, and the piston plate 205 gradually moves upwards under the action of the upper spring 203 for blood collection, so that the blood collection is convenient; after the blood collection is finished, the pressing table 502 is moved upwards through the screw 501, the blood collection needle 3 is moved upwards and is retracted into the shell 1 under the action of the lower spring 303, and the blood collection needle 3 is prevented from accidentally stabbing patients or medical staff; when needing to be changed blood taking needle 3, make another heparin tube 2 and blood taking needle 3 rotate to needle mouth 101 department through rotating sleeve 4, take a blood sample, the conversion is convenient, can carry out a lot of blood collection in succession, labour saving and time saving, and be equipped with digital label 206 on heparin tube 2, avoid the blood sample to obscure.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a blood collection system that medical science inspection was used, includes a blood collection system that medical science inspection was used, including casing, heparin tube and blood taking needle, its characterized in that: a placing cavity is formed in the shell, a gear cavity is formed above the placing cavity, a rotating shaft is arranged at the center of the placing cavity, a screw rod is fixedly connected to the bottom end of the rotating shaft, the top end of the rotating shaft extends into the gear cavity from the top surface of the placing cavity, a second gear is fixedly connected with the top end of the rotating shaft, the second gear is meshed with a third gear, the bottom end of the screw rod is rotatably connected with the bottom surface of the placing cavity, a needle opening is further formed in one side of the bottom surface of the placing cavity, a pressing table is further sleeved on the screw rod through threads, an extending table is arranged on one side of the pressing table, a limiting groove is formed in the other side of the pressing table, a limiting rod is correspondingly fixed to; the upper part of the rotating shaft is sleeved with a sleeve, a gear ring is fixed at the top end of the sleeve, a first gear is meshed with the gear ring, a plurality of blood sampling tubes are uniformly arranged along the circumferential direction of the sleeve, and the upper parts of the blood sampling tubes are fixedly connected with the sleeve; the movable contact is fixed on the top of the blood collection tube, the stationary contact is correspondingly arranged on the inner wall of the shell and connected with a power supply, the electromagnet is arranged on the top of the inner cavity of the blood collection tube and electrically connected with the movable contact, the piston plate is further arranged in the inner cavity of the blood collection tube, the permanent magnet and the upper spring are fixed on the top surface of the piston plate, the magnetic pole of the permanent magnet is the same as that of the electromagnet, the top end of the upper spring is fixedly connected with the top surface of the blood collection tube, a digital label is fixed on the side wall of the upper part of the blood collection tube, and an observation window is correspondingly arranged on the side wall of; the blood taking needles are uniformly arranged in a plurality along the circumferential direction of the screw rod, the number of the blood taking needles is the same as that of the blood taking tubes, the blood taking needles correspond to the blood taking tubes one by one, the top ends of the blood taking needles penetrate through the bottom surfaces of the blood taking tubes and extend into the inner cavity of the blood taking tubes, a top plate is fixed on the top plate, a lower spring is arranged between the top plate and the bottom surfaces of the blood taking tubes, fixed blocks are fixed on the middle lower portion of the blood taking tubes, and one fixed block is correspondingly connected with the bottom surface;
a plurality of disinfection lamps are arranged on the side wall of the bottom of the placing cavity;
gear shafts are fixed at the centers of the first gear and the third gear, and one ends of the gear shafts extend out of the top surface of the shell and are fixed with rotating handles.
2. A blood collection device for medical examination according to claim 1, wherein: the static contact and the observation window are positioned on the same straight line of the side wall of the shell.
3. A blood collection device for medical examination according to claim 1, wherein: and a transparent plastic plate is arranged in the observation window.
4. A blood collection device for medical examination according to claim 1, wherein: six blood sampling tubes and six blood sampling needles are evenly arranged in the shell.
5. A blood collection device for medical examination according to any one of claims 1 to 4, wherein: the front end of the extension table is arc-shaped, the circle center of the arc is coincided with the circle center of the shell, and the radius of the arc is smaller than the distance between the blood taking needle and the circle center of the arc.
6. A blood collection device for medical examination according to any one of claims 1 to 4, wherein: the junction of axis of rotation and screw is fixed with spacing platform, the bottom surface and the corresponding connection of spacing platform of heparin tube.
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 |
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| CN108324289A CN108324289A (en) | 2018-07-27 |
| CN108324289B true CN108324289B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810345590.XA Active CN108324289B (en) | 2018-04-17 | 2018-04-17 | Blood collection system that medical science inspection was used |
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| CN109520781B (en) * | 2018-11-23 | 2021-05-14 | 周瑛瑛 | Blood sampler for pediatric examination |
| CN110192871B (en) * | 2019-03-20 | 2023-10-03 | 南昌大学第二附属医院 | Portable dynamic venous hemostix |
| 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 |
| CN110613463B (en) * | 2019-10-29 | 2021-11-30 | 南京市儿童医院 | Blood sampling device for neonates |
| CN110720932B (en) * | 2019-10-31 | 2022-11-01 | 华兰生物巫溪县单采血浆有限公司 | Be provided with multi-needle structure's piercing depth for blood test |
| CN110840465B (en) * | 2019-11-30 | 2022-08-26 | 中国人民解放军陆军军医大学第一附属医院 | Automatic retraction blood taking needle |
| CN111855311B (en) * | 2020-07-29 | 2021-07-27 | 吉林大学 | High-precision sampler for medical experiment |
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| CN108324289A (en) | 2018-07-27 |
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Effective date of registration: 20221219 Address after: 266000 No. 301-24, Changjiang East Road, Huangdao District, Qingdao, Shandong Patentee after: China Norway (Qingdao) Technology Innovation Co.,Ltd. Address before: 266011 No. 1, Jiaozhou Road, Qingdao, Shandong Patentee before: QINGDAO MUNICIPAL Hospital |