CN113080953A - Surface self-cleaning multifunctional blood taking needle - Google Patents
Surface self-cleaning multifunctional blood taking needle Download PDFInfo
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- CN113080953A CN113080953A CN202110359032.0A CN202110359032A CN113080953A CN 113080953 A CN113080953 A CN 113080953A CN 202110359032 A CN202110359032 A CN 202110359032A CN 113080953 A CN113080953 A CN 113080953A
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- needle
- base
- blood
- rigid coupling
- needle tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150412—Pointed piercing elements, e.g. needles, lancets for piercing the skin
- A61B5/150427—Specific tip design, e.g. for improved penetration characteristics
-
- 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
-
- 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
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- 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)
- Dermatology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a surface self-cleaning multifunctional blood taking needle, which comprises a blood drawing part, wherein the blood drawing part is connected with a straight needle part through a hose, the blood drawing part comprises a base, the top of the base is fixedly connected with a needle tube seat, a needle tube is embedded in the needle tube seat, the surface of the needle tube is provided with a micro-nano antibacterial texture, one end of the needle tube close to the base is sleeved with a connecting tube, the center of the bottom of the base is provided with a through hole, the other end of the connecting tube extends out of the through hole and is connected with the hose, and a protection mechanism is movably connected in the base. So as to protect the needle tube after the blood sampling is finished and prevent the medical staff from being punctured.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a surface self-cleaning multifunctional blood taking needle.
Background
In donor's blood collection process or patient's blood sampling chemical examination in-process, the erythrocyte receives blood sampling needle surface and marginal coarse peak's stab and extrusion destruction easily in the blood of blood taking needle of existing use, destroy the integrality of erythrocyte, showing and having reduced and stored blood quality, clinical patient has been increased and has taken place the risk of blood transfusion reaction, and after the blood taking, when the blood taking needle extracts, have blood to be detained on the blood taking needle, not only can cause environmental pollution and wasting of resources, when taking a blood sample to children, children see behind the blood can increase children's the fear psychology. Therefore, a multifunctional lancet capable of realizing self-cleaning of the surface is urgently required to appear.
Disclosure of Invention
The invention aims to provide a surface self-cleaning multifunctional blood taking needle, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a surface self-cleaning multifunctional blood taking needle which comprises a blood drawing part, wherein the blood drawing part is connected with a straight needle part through a hose, the blood drawing part comprises a base, the top of the base is fixedly connected with a needle tube seat, a needle tube is embedded in the needle tube seat, the surface of the needle tube is provided with a micro-nano antibacterial texture, one end, close to the base, of the needle tube is sleeved with a connecting tube, the center of the bottom of the base is provided with a through hole, the other end of the connecting tube extends out of the through hole and is connected with the hose, and a protection mechanism is movably connected in.
Preferably, the micro-nano antibacterial texture is a concave combination, a triangular combination, a circular combination or a combination of any shape.
Preferably, the needle tube is made of a low-surface free energy substance, and the contact angle between the micro-nano antibacterial textured surface and water is 120-180 degrees.
Preferably, protection mechanism is in including the symmetry rigid coupling first spring in the base, the other end fixedly connected with protection section of thick bamboo of first spring, first round hole and second round hole have been seted up to arbitrary one side longitudinal symmetry of base, protection bobbin base both ends symmetry rigid coupling has first linking arm and second linking arm, sliding connection has pressing mechanism on the first linking arm, pressing mechanism with first round hole with second round hole looks adaptation, second linking arm sliding connection has the spout, the spout sets up and is being close to the second linking arm on the inner wall of the base.
Preferably, pressing mechanism includes the rigid coupling and is in second spring in the first connecting arm, the other end rigid coupling of second spring has presses the post, it inlays to establish to press the post in the first connecting arm, it keeps away from to press the post the one end of first connecting arm stretches out the base outer wall.
Preferably, straight needle portion includes straight needle file, straight needle file bottom rigid coupling has the hose, straight needle file is kept away from the one end rigid coupling of hose has straight needle, straight needle file is close to the one end rigid coupling of straight needle has the safety cover.
Preferably, the length of the protective cylinder is greater than the length of the needle tube.
Preferably, the outer wall of the needle tube seat is sleeved with a needle tube sleeve.
Preferably, a handle is fixedly connected to the outer side of one side, away from the first round hole, of the base.
The invention discloses the following technical effects: according to the surface self-cleaning multifunctional blood taking needle, the micro-nano antibacterial texture is arranged on the surface of the needle tube, the hydrophobicity of the needle tube is increased, self-cleaning blood taking is realized on the basis of the natural surface hydrophilic and hydrophobic principle, the blood taking resistance is reduced and the blood flowing efficiency is improved on the basis of the micro-non-Newtonian fluid lubrication principle, the risk of damage of red blood cells can be effectively reduced, the concentration of the red blood cells in blood is increased, the problems of needle point pollution, blood waste and the like caused by adhesion of the blood on the needle point can be solved, the fear of blood seen by children during blood taking can be reduced, and a protection mechanism is arranged in a base to protect the needle tube after the blood taking is completed and prevent medical personnel from being pricked.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described 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 to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a multifunctional blood collection needle with a self-cleaning surface according to the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a top view of the surface self-cleaning multifunctional lancet chute according to the present invention;
FIG. 5 is a schematic structural view of the multifunctional blood lancet with self-cleaning surface according to the present invention after operation;
FIG. 6 is a micro-nano antibacterial texture on the surface of the multifunctional blood taking needle tube with the self-cleaning surface;
FIG. 7 is a schematic structural view of a surface self-cleaning multifunctional lancet embodiment 2 according to the present invention;
wherein: 1-a base; 2-needle tube seat; 3-a needle tube; 4-connecting pipe; 5-a hose; 6-a first spring; 7-a protective cylinder; 8-a first connecting arm; 9-a second connecting arm; 10-a chute; 11-a second spring; 12-pressing the column; 13-straight needle seat; 14-straight needle; 15-a protective cover; 16-a needle cannula sleeve; 17-a handle.
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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-6, the invention provides a surface self-cleaning multifunctional blood taking needle, which comprises a blood drawing part, wherein the blood drawing part is connected with a straight needle part through a hose 5, the blood drawing part transports collected blood to the straight needle part through the hose 5, the straight needle part is connected with a blood bag for storing blood, the blood drawing part comprises a base 1, the top of the base 1 is fixedly connected with a needle tube seat 2, a needle tube 3 is embedded in the needle tube seat 2, the needle tube seat 2 is used for fixing the needle tube 3 to prevent the needle tube 3 from loosening after being inserted into a human body and causing safety accidents, and can facilitate medical staff to collect blood, the surface of the needle tube 3 is provided with a micro-nano antibacterial texture, the surface of the needle tube 3 is modified by utilizing a laser micromachining technology to increase the hydrophobicity, the micro-nano antibacterial texture is obtained, so as to reduce blood taking resistance and improve blood flowing efficiency, reduce the number of damaged erythrocytes, and, the needle tip pollution and the blood waste caused by the adhesion of the blood on the needle tip can be eliminated, the fear of the blood seen by children in the blood drawing process can be reduced, the laser micromachining technology has high precision, good repeatability, low consumption, high efficiency, no tool abrasion, no damage to materials, simple and convenient operation and capability of adjusting processing parameters according to the surface condition of the materials, the formed surface microstructure is more controllable, the obtained surface has excellent antifouling, self-cleaning, drag reduction and super-hydrophobicity, therefore, the surface modification is carried out on the surface of the needle tube 3 by the laser micromachining technology so that the needle tube 3 can realize self-cleaning blood collection, one end of the needle tube 3 close to the base 1 is sleeved with a connecting tube 4, a through hole is arranged at the center of the bottom of the base 1, the other end of the connecting tube 4 extends out of the through hole and is connected with a hose 5, and the connecting tube 4 is used for transitionally transporting the blood, swing joint has protection mechanism in the base 1, and protection mechanism is used for preventing that medical personnel is when collecting the blood taking needle after the blood sampling is accomplished, and needle tubing 3 punctures the hand and causes the safety risk to can increase personnel's bacterial infection's risk.
According to the further optimization scheme, the micro-nano antibacterial texture is a concave combination, a triangular combination, a circular combination or a combination of any shape, the concave combination is an upper concave shape, namely a concave structure is arranged on the upper surface of the concave shape, the bottom of the concave shape is also provided with the concave structure, the triangular combination, the circular combination and the concave combination are in the same way, the arbitrary combination shape is that the upper surface of the concave shape is provided with the triangular or circular structure, the bottom of the concave shape is also provided with the triangular or circular structure, selection can be carried out through laser micromachining, the micro texture with the super-hydrophobic effect processed through laser can effectively reduce adhesion of bacteria on the surface of the texture, the nano texture can effectively kill the bacteria, and effective anti-adhesion and sterilization effects are achieved, so that the antibacterial performance of the blood taking needle is improved.
According to a further optimized scheme, the needle tube 3 is made of low-surface free energy substances, such as silicon and fluorine materials, the contact angle between the micro-nano antibacterial textured surface and water is 120-180 degrees, the roll-off angle is smaller than or equal to 10 degrees, so that the surface of the needle tube 3 has super-hydrophobicity, blood sampling resistance is reduced, blood flowing efficiency is improved, the number of damaged red blood cells is reduced, and blood sampling quality and efficiency are improved.
In a further optimized scheme, the protection mechanism comprises a first spring 6 symmetrically fixedly connected in the base 1, the other end of the first spring 6 is fixedly connected with a protection cylinder 7, the protection cylinder 7 is used for protecting the needle tube 3 and preventing a person from touching the needle tube 3 by mistake to cause danger, a first round hole 18 and a second round hole 19 are symmetrically arranged on any one side of the base 1 from top to bottom, a first connecting arm 8 and a second connecting arm 8 are symmetrically and fixedly connected at two ends of the bottom of the protection cylinder 7, a pressing mechanism is slidably connected on the first connecting arm 8 and is matched with the first round hole 18 and the second round hole 19, one end of the pressing mechanism, far away from the first connecting arm 8, extends out of the first round hole 18 to facilitate the medical person to press the pressing mechanism when in use, the second connecting arm 9 is slidably connected with a sliding chute 10, the sliding chute 10 is arranged on the inner wall of the base 1, close to the second connecting arm 9, so that the protection, the protective cylinder 7 is prevented from rotating in the base 1, so that the pressing mechanism cannot be adapted to the first circular hole 18 and the second circular hole 19.
In a further optimized scheme, the pressing mechanism comprises a second spring 11 fixedly connected in the first connecting arm 8, the other end of the second spring 11 is fixedly connected with a pressing column 12, the pressing column 12 is embedded in the first connecting arm 8, one end, far away from the first connecting arm 8, of the pressing column 12 extends out of the outer wall of the base 1, when the pressing mechanism is used, the pressing column 12 is pressed, after the pressing column 12 extends into the base 1, due to the pressing action of the first spring 6, the pressing column 12 is far away from the first round hole 18, the protecting cylinder 7 moves towards the needle tube 3 along the sliding chute 10, when the pressing column 12 reaches the second round hole 19, the pressing column 12 is ejected into the second round hole 19 due to the pressing force of the second spring 11, so that the protection cylinder 7 stops moving, thereby carry on spacingly to a protection section of thick bamboo 7, when 19 limiting displacement of second round hole became invalid, still can carry on spacingly to a protection section of thick bamboo 7 through base 1 top, prevent that a protection section of thick bamboo 7 from popping out and cause the injury to medical personnel.
Further optimize the scheme, straight needle portion includes straight needle file 13, and the rigid coupling of straight needle file 13 bottom has hose 5, and the one end rigid coupling that hose 5 was kept away from to straight needle file 13 has straight needle 14, and straight needle 14 is used for connecting with the blood bag, and the blood bag is used for storing blood, and the one end rigid coupling that straight needle file 13 is close to straight needle 14 has safety cover 15 for prevent that straight needle 14 from suffering destruction or personnel's mistake from bumping and taking place danger.
Further optimize the scheme, a protection section of thick bamboo 7 length is greater than needle tubing 3 length, makes a protection section of thick bamboo 7 move the second round hole 19 when, can wrap up needle tubing 3 completely, increases the security of blood taking needle.
According to the further optimized scheme, the needle tube sleeve 16 is sleeved on the outer wall of the needle tube seat 2 and used for preventing the needle tube 3 from being polluted by external bacteria and preventing personnel from mistakenly colliding to injure medical personnel.
Further optimize the scheme, the outer rigid coupling of one side that first round hole 18 was kept away from to base 1 has handle 17, makes things convenient for medical personnel to fix the blood taking needle when using.
Example 2
On the basis of embodiment 1, referring to fig. 7, a plurality of protrusions are circumferentially arranged on the inner wall of the bottom of the needle tube sleeve 16, a plurality of grooves are formed in the side wall of the needle tube seat 2, and the protrusions and the grooves are matched, so that the needle tube sleeve 16 is more firmly connected with the needle tube seat 2, danger caused by mistaken collision or falling of personnel is prevented, the needle tube 3 can be effectively protected from being damaged, and the needle tube 3 is prevented from being polluted by external bacteria.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. The utility model provides a multi-functional blood taking needle of surface automatically cleaning which characterized in that: including the portion of drawing blood, the portion of drawing blood is connected with straight needle portion through hose (5), the portion of drawing blood includes base (1), base (1) top rigid coupling has syringe seat (2), syringe seat (2) embedded needle tubing (3) that are equipped with, syringe (3) surface is equipped with receives antibiotic texture a little, needle tubing (3) are close to connecting pipe (4) have been cup jointed to the one end of base (1), base (1) bottom center department has seted up the through-hole, the other end of connecting pipe (4) stretches out the through-hole is connected with hose (5), swing joint has protection mechanism in base (1).
2. The surface self-cleaning multifunctional lancet according to claim 1, wherein: the micro-nano antibacterial texture is a concave combination, a triangular combination, a circular combination or a combination of any shape.
3. The surface self-cleaning multifunctional lancet according to claim 2, wherein: the needle tube (3) is made of a low-surface free energy substance, and the contact angle between the micro-nano antibacterial textured surface and water is 120-180 degrees.
4. The surface self-cleaning multifunctional lancet according to claim 1, wherein: protection mechanism is in including the symmetry rigid coupling first spring (6) in base (1), the other end fixedly connected with protection section of thick bamboo (7) of first spring (6), first round hole (18) and second round hole (19) have been seted up to the symmetry about arbitrary one side of base (1), protection section of thick bamboo (7) bottom both ends symmetry rigid coupling has first linking arm (8) and second linking arm (9), sliding connection has pressing mechanism on first linking arm (8), pressing mechanism with first round hole (18) with second round hole (19) looks adaptation, second linking arm (9) sliding connection has spout (10), spout (10) set up and are being close to second linking arm (9) on base (1) inner wall.
5. The surface self-cleaning multifunctional lancet according to claim 4, wherein: pressing means includes the rigid coupling and is in second spring (11) in first connecting arm (8), the other end rigid coupling of second spring (11) has and presses compression leg (12), press compression leg (12) to inlay and establish in first connecting arm (8), press compression leg (12) to keep away from the one end of first connecting arm (8) stretches out base (1) outer wall.
6. The surface self-cleaning multifunctional lancet according to claim 1, wherein: straight needle portion includes straight needle file (13), straight needle file (13) bottom rigid coupling has hose (5), keep away from straight needle file (13) the one end rigid coupling of hose (5) has straight needle (14), straight needle file (13) are close to the one end rigid coupling of straight needle (14) has safety cover (15).
7. The surface self-cleaning multifunctional lancet according to claim 4, wherein: the length of the protective barrel (7) is larger than that of the needle tube (3).
8. The surface self-cleaning multifunctional lancet according to claim 1, wherein: the outer wall of the needle tube seat (2) is sleeved with a needle tube sleeve (16).
9. The surface self-cleaning multifunctional lancet according to claim 1, wherein: and a handle (17) is fixedly connected outside one side of the base (1) far away from the first round hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110359032.0A CN113080953A (en) | 2021-04-02 | 2021-04-02 | Surface self-cleaning multifunctional blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110359032.0A CN113080953A (en) | 2021-04-02 | 2021-04-02 | Surface self-cleaning multifunctional blood taking needle |
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| Publication Number | Publication Date |
|---|---|
| CN113080953A true CN113080953A (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110359032.0A Pending CN113080953A (en) | 2021-04-02 | 2021-04-02 | Surface self-cleaning multifunctional blood taking needle |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090216154A1 (en) * | 2008-02-21 | 2009-08-27 | Bencha International Group. Inc | Automatically retractable safety blood sampler |
| CN202235394U (en) * | 2011-09-21 | 2012-05-30 | 苏明川 | Vacuum negative pressure blood taking needle sleeve and vacuum negative pressure blood taking needle with same |
| WO2014019198A1 (en) * | 2012-08-02 | 2014-02-06 | Zhang Jianming | Syringe type vacuum blood collector with protective needle tip |
| US20150105693A1 (en) * | 2011-12-01 | 2015-04-16 | Shanghai Jinta Medical Co., Ltd. | Disposable Sterile Retracting Blood Taking Needle |
| CN106390233A (en) * | 2016-08-30 | 2017-02-15 | 成都普什医药塑料包装有限公司 | Disposable automatic ejection type medical needle |
| CN108433733A (en) * | 2018-04-24 | 2018-08-24 | 江西丰临医疗科技股份有限公司 | Blood taking needle |
| CN209863846U (en) * | 2018-12-19 | 2019-12-31 | 中国人民解放军总医院 | Blood drawing needle capable of preventing puncture |
| CN212574874U (en) * | 2020-03-28 | 2021-02-23 | 华中科技大学同济医学院附属协和医院 | Anti-backflow blood taking needle |
| CN112515671A (en) * | 2020-11-30 | 2021-03-19 | 江苏大学附属医院 | Surface-textured blood taking needle |
-
2021
- 2021-04-02 CN CN202110359032.0A patent/CN113080953A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090216154A1 (en) * | 2008-02-21 | 2009-08-27 | Bencha International Group. Inc | Automatically retractable safety blood sampler |
| CN202235394U (en) * | 2011-09-21 | 2012-05-30 | 苏明川 | Vacuum negative pressure blood taking needle sleeve and vacuum negative pressure blood taking needle with same |
| US20150105693A1 (en) * | 2011-12-01 | 2015-04-16 | Shanghai Jinta Medical Co., Ltd. | Disposable Sterile Retracting Blood Taking Needle |
| WO2014019198A1 (en) * | 2012-08-02 | 2014-02-06 | Zhang Jianming | Syringe type vacuum blood collector with protective needle tip |
| CN106390233A (en) * | 2016-08-30 | 2017-02-15 | 成都普什医药塑料包装有限公司 | Disposable automatic ejection type medical needle |
| CN108433733A (en) * | 2018-04-24 | 2018-08-24 | 江西丰临医疗科技股份有限公司 | Blood taking needle |
| CN209863846U (en) * | 2018-12-19 | 2019-12-31 | 中国人民解放军总医院 | Blood drawing needle capable of preventing puncture |
| CN212574874U (en) * | 2020-03-28 | 2021-02-23 | 华中科技大学同济医学院附属协和医院 | Anti-backflow blood taking needle |
| CN112515671A (en) * | 2020-11-30 | 2021-03-19 | 江苏大学附属医院 | Surface-textured blood taking needle |
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