CN112515671A - Surface-textured blood taking needle - Google Patents
Surface-textured blood taking needle Download PDFInfo
- Publication number
- CN112515671A CN112515671A CN202011371606.8A CN202011371606A CN112515671A CN 112515671 A CN112515671 A CN 112515671A CN 202011371606 A CN202011371606 A CN 202011371606A CN 112515671 A CN112515671 A CN 112515671A
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- Prior art keywords
- needle
- head
- sleeve
- fixedly connected
- block
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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
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
-
- 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
-
- 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
- A61B5/150633—Protective sleeves which are axially extensible, e.g. sleeves connected to, or integrated in, the piercing or driving device; pivotable protective sleeves
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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)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a surface textured blood taking needle, which comprises a needle seat, a needle sleeve and a needle head, wherein the needle head is fixedly arranged on the needle seat in a penetrating way, and the needle head and the needle seat are coaxially arranged; the needle sleeve is sleeved on the needle base, the two ends of the needle base are respectively and fixedly connected with a fixed block and a limiting block, and the needle sleeve is in limiting sliding connection with the needle base through the limiting block; the needle base is sleeved with a spring, and two ends of the spring are respectively fixedly connected with the fixed block and the needle sleeve; the fixed block is fixedly connected with a needle handle, and the needle sleeve is in limit fit with the needle handle; the fixed block is kept away from fixedly connected with protective sheath on the terminal surface of spring, and the pot head that the syringe needle is close to the fixed block is equipped with the protection head, and the protection head is located the protective sheath. According to the surface texture blood taking needle provided by the invention, the needle sleeve is in sliding fit with the needle base, the needle is positioned in the needle sleeve when not in use, and after the blood taking needle is used, the needle sleeve can be automatically sleeved on the needle under the action of the spring to protect the needle, so that medical personnel are prevented from being punctured, and the use safety of the blood taking needle is improved.
Description
Technical Field
The invention relates to the technical field of medical supplies, in particular to a surface textured blood taking needle.
Background
Blood drawing tests are a test mode which is often given to patients for examination in hospitals. At present, after a common blood taking needle is used, a needle sleeve needs to be sleeved on a needle to protect the needle, and the needle is prevented from being bent or collided and the like. However, when medical staff sleeve the needle, the diameter of the needle sleeve is not large due to the thin needle, which is easy to stab the fingers, causing serious consequences such as infection of the medical staff. Therefore, there is a need for an improved lancet structure in the prior art to improve the safety of the lancet.
Disclosure of Invention
The present invention has been made in an effort to provide a surface-textured lancet which solves the above-mentioned problems occurring in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a surface textured blood taking needle which comprises a needle seat, a needle sleeve and a needle head, wherein the needle head is fixedly arranged on the needle seat in a penetrating way, and the needle head and the needle seat are coaxially arranged; the needle sleeve is sleeved on the needle seat, two ends of the needle seat are fixedly connected with a fixed block and a limiting block respectively, and the needle sleeve is in limiting sliding connection with the needle seat through the limiting block; a spring is sleeved on the needle seat, and two ends of the spring are respectively fixedly connected with the fixed block and the needle sleeve; the fixed block is fixedly connected with a needle handle, and the needle sleeve is in limit fit with the needle handle; the fixed block is far away from fixedly connected with protective sheath on the terminal surface of spring, the syringe needle is close to a pot head of fixed block is equipped with the protection head, the protection head is located in the protective sheath.
Preferably, one end of the needle sleeve close to the spring is fixedly connected with an anti-skid block, the bottom of the anti-skid block is fixedly connected with a connecting rod, and a limiting bulge is fixed on the connecting rod; the needle handle top is seted up the spacing groove, spacing arch with spacing groove looks adaptation.
Preferably, the anti-skid block is provided with anti-skid grains.
Preferably, one end of the needle sleeve, which is far away from the spring, is fixedly connected with a positioning disc, a through hole is formed in the middle of the positioning disc, and a plugging head is detachably connected in the through hole.
Preferably, a flexible hose is arranged between the needle sleeve and the positioning disc, and the needle sleeve is fixedly connected with the positioning disc through the flexible hose.
Preferably, the protection head is a rubber head, one end of the protection head, which is far away from the fixed block, is of a hemispherical structure, and a convex block is fixedly arranged on the protection head.
Preferably, the protective sheath is kept away from the one end of fixed block is seted up with the opening of vacuum test tube looks adaptation, the opening is sealed through the film paper.
Preferably, the outer wall of the needle head is textured by laser technology.
The invention discloses the following technical effects: according to the surface texture blood taking needle provided by the invention, the needle sleeve is in sliding fit with the needle base, the needle is positioned in the needle sleeve when not in use, and after the blood taking needle is used, the needle sleeve can be automatically sleeved on the needle under the action of the spring to protect the needle, so that medical personnel are prevented from being punctured, and the use safety of the blood taking needle is improved.
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 view of a surface textured lancet of the present invention;
FIG. 2 is a schematic view of the surface textured lancet of the present invention in use;
fig. 3 is a schematic structural diagram of a micro-nano composite texture on a plane, in which 20 is a schematic plane diagram of the micro-nano texture composition, and 21 is a schematic plane diagram of a micro-boss texture;
wherein, the needle stand-1; a needle sleeve-2; a needle head-3; fixing blocks-4; a limiting block-5; a spring-6; a needle handle-7; a protective sleeve-8; protective head-9; antiskid block-10; a connecting rod-11; a limiting bulge-12; a limiting groove-13; a positioning plate-14; a plugging head-15; a flexible hose-16; a bump-17; film paper-18; vacuum blood collection tube-19.
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.
The invention provides a surface textured blood taking needle which comprises a needle seat 1, a needle sleeve 2 and a needle head 3, wherein the needle head 3 is fixedly arranged on the needle seat 1 in a penetrating way, and the needle head 3 and the needle seat 1 are coaxially arranged; the needle sleeve 2 is sleeved on the needle base 1, two ends of the needle base 1 are respectively and fixedly connected with a fixed block 4 and a limiting block 5, and the needle sleeve 2 is in limiting sliding connection with the needle base 1 through the limiting block 5; a spring 6 is sleeved on the needle seat 1, and two ends of the spring 6 are respectively and fixedly connected with the fixed block 4 and the needle sleeve 2; a needle handle 7 is fixedly connected to the fixing block 4, and the needle sleeve 2 is in limit fit with the needle handle 7; fixed block 4 is kept away from fixedly connected with protective sheath 8 on the terminal surface of spring 6, syringe needle 3 is close to a pot head of fixed block 4 is equipped with protection head 9, protection head 9 is located in protective sheath 8, needle file 1, needle cover 2 and protective sheath 8 all adopt medical plastics to make.
Furthermore, one end of the needle sleeve 2 close to the spring 6 is fixedly connected with an anti-skid block 10, anti-skid lines are arranged on the anti-skid block 10, the bottom of the anti-skid block 10 is fixedly connected with a connecting rod 11, and a limiting bulge 12 is fixed on the connecting rod 11; the top end of the needle handle 7 is provided with a limiting groove 13, and the limiting bulge 12 is matched with the limiting groove 13.
Further, in the blood sampling process, in order to reduce the probability of wound infection caused by the blood sampling needle head 3 to the skin of a patient, the needle sleeve 2 is far away from the positioning disc 14 fixedly connected with one end of the spring 6, the positioning disc 14 is made of transparent materials, a through hole is formed in the middle of the positioning disc 14, and a blocking head 15 is detachably connected in the through hole. The blood taking needle is when not using, shutoff head 15 can make the interior relative inclosed space that forms of needle cover 2, avoid syringe needle 3 to receive the pollution, when taking a blood sample, take off shutoff head 15, earlier with positioning disk 14 and patient skin contact, release syringe needle 3 by needle cover 2 in, the skin wound that makes syringe needle 3 cause is in the airtight space that positioning disk 14 formed, make blood sampling process and external isolation, setting through positioning disk 14, can avoid the doctor to touch the skin wound that the blood sampling formed at the blood sampling in-process, reduce the probability of infecting.
Furthermore, in order to adjust the angle of the needle 3 penetrating into the skin after the positioning plate 14 is positioned, a flexible hose 16 is arranged between the needle sleeve 2 and the positioning plate 14, and the needle sleeve 2 is fixedly connected with the positioning plate 14 through the flexible hose 16.
Further, in order to reduce the probability of blood sample pollution in the blood sampling process, the protection head 9 is a rubber head, one end of the protection head 9, which is far away from the fixing block 4, is of a hemispherical structure, and a bump 17 is fixedly arranged on the protection head 9. When taking a blood sample, the doctor inserts vacuum blood collection tube 19 into protective sheath 8 to utilize vacuum blood collection tube 19 to make protective head 9 be impaled by syringe needle 3, and make 3 terminal entering into vacuum blood collection tube 19 of syringe needle, realize the blood collection process, the setting of lug 17 can be avoided protecting that head 9 is whole to enter into vacuum blood collection tube 19.
Further, in order to avoid the protection head 9 being contaminated, an opening matched with the vacuum blood collection tube 19 is formed at one end of the protection cover 8 far away from the fixing block 4, and the opening is sealed by the thin film paper 18.
Further, in order to improve the antibacterial performance of the medical needle, the outer wall of the needle head 3 is textured by a laser technology, the texture on the outer wall of the needle head 3 is a micro-nano composite texture with an antibacterial effect, and the micro-nano composite texture is composed of a periodic nano texture and a micro boss texture. The micro-texture with the super-hydrophobic effect processed by laser can effectively reduce the adhesion of bacteria on the surface of the texture, and the nano-texture can effectively kill the bacteria, so that the effective anti-adhesion and sterilization effects are achieved, and the antibacterial performance of the needle head 3 is improved.
The specific steps for preparing the texture on the surface of the needle head 3 are as follows:
(1) and clamping the needle head 3 on a precise rotary worktable, focusing laser beams generated by a laser on the surface of the needle head 3, and focusing and aligning the laser on the processed surface of the needle head 3 by using an optical camera. The laser parameters were: the wavelength is 532nm, the pulse width is 10ps, the frequency is 1-100kHz, and the diameter of a light spot is 16 mu m.
(2) Processing the periodic nano texture by using a laser processing platform, wherein the processing parameters are as follows: the laser frequency is 60kHz, the laser energy is 0.3 muJ, the processing speed is 30mm/s, the processing direction is 3 axial directions of the needle head, the needle head rotates 0.5 degrees when one needle head is processed, the scanning is repeated for 1 time, and the period of the processed nano texture is 300 nm.
(3) Processing the micron boss texture by using a laser platform, wherein the processing parameters are as follows: the laser frequency is 60kHz, the laser energy is 4 muJ, micron groove processing is firstly carried out along the axial direction of the medical needle in the processing process, the processing speed is 30mm/s, each processing platform rotates 6 degrees, then the medical needle radial processing is carried out, the rotating speed of a rotating shaft is 30r/s, each circle of the medical needle processed by the laser translates 15 muM along the axial direction, scanning is repeated for 15 times, the period of the processed boss is 35mm x 35mm, and the depth is 4-10 muM.
(4) And (3) putting the processed needle head 3 into alcohol, ultrasonically cleaning for 20 minutes, taking out, and drying.
When the surface texture blood taking needle provided by the invention is used, the sealing head 15 is taken down firstly, then the positioning disc 14 is pressed on the skin of a patient, the angle between the needle sleeve 2 and the skin is adjusted through the flexible hose 16, the optimal puncture angle is selected, then a doctor holds the needle handle 7 by hand, pushes the needle seat 1, enables the needle head 3 to be punctured into the skin of the patient, keeps the pushed length of the needle head 3 unchanged through the matching of the connecting rod 11 and the needle handle 7, then removes the film paper 18 on the protective sleeve 8, and inserts the vacuum blood taking tube 19 into the protective sleeve 8 to carry out blood taking work; after the blood sampling is completed, the needle handle 7 is deformed only by force, the limiting bulge 12 on the connecting rod 11 is separated from the limiting groove 13, the needle head 3 can be protected by the needle sleeve 2 again under the action of the spring 6, and the condition that medical workers are stabbed is avoided.
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 (8)
1. A surface texture blood taking needle is characterized by comprising a needle seat (1), a needle sleeve (2) and a needle head (3), wherein the needle head (3) is fixedly arranged on the needle seat (1) in a penetrating way, and the needle head (3) and the needle seat (1) are coaxially arranged; the needle sleeve (2) is sleeved on the needle base (1), two ends of the needle base (1) are fixedly connected with a fixing block (4) and a limiting block (5) respectively, and the needle sleeve (2) is in limiting sliding connection with the needle base (1) through the limiting block (5); a spring (6) is sleeved on the needle seat (1), and two ends of the spring (6) are respectively and fixedly connected with the fixed block (4) and the needle sleeve (2); a needle handle (7) is fixedly connected to the fixing block (4), and the needle sleeve (2) is in limit fit with the needle handle (7); keep away from fixed block (4) fixedly connected with protective sheath (8) on the terminal surface of spring (6), syringe needle (3) are close to a pot head of fixed block (4) is equipped with protection head (9), protection head (9) are located in protective sheath (8).
2. The surface textured blood collection needle of claim 1, wherein: one end, close to the spring (6), of the needle sleeve (2) is fixedly connected with an anti-skid block (10), the bottom of the anti-skid block (10) is fixedly connected with a connecting rod (11), and a limiting bulge (12) is fixed on the connecting rod (11); the needle handle (7) top is seted up spacing groove (13), spacing arch (12) with spacing groove (13) looks adaptation.
3. The surface textured blood collection needle of claim 2, wherein: the anti-skid block (10) is provided with anti-skid lines.
4. The surface textured blood collection needle of claim 1, wherein: one end of the needle sleeve (2) far away from the spring (6) is fixedly connected with a positioning disc (14), a through hole is formed in the middle of the positioning disc (14), and a blocking head (15) is detachably connected in the through hole.
5. The surface textured blood collection needle of claim 4, wherein: a telescopic hose (16) is arranged between the needle sleeve (2) and the positioning disc (14), and the needle sleeve (2) is fixedly connected with the positioning disc (14) through the telescopic hose (16).
6. The surface textured blood collection needle of claim 1, wherein: the protection head (9) is a rubber head, one end of the protection head (9) far away from the fixed block (4) is of a hemispherical structure, and a convex block (17) is fixedly arranged on the protection head (9).
7. The surface textured blood collection needle of claim 1, wherein: the opening with vacuum test tube looks adaptation is seted up to the one end that protective sheath (8) kept away from fixed block (4), the opening is sealed through film paper (18).
8. The surface textured blood collection needle of claim 1, wherein: the outer wall of the needle head (3) is subjected to texturing treatment by adopting a laser technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011371606.8A CN112515671A (en) | 2020-11-30 | 2020-11-30 | Surface-textured blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011371606.8A CN112515671A (en) | 2020-11-30 | 2020-11-30 | Surface-textured blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112515671A true CN112515671A (en) | 2021-03-19 |
Family
ID=74996462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011371606.8A Pending CN112515671A (en) | 2020-11-30 | 2020-11-30 | Surface-textured blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112515671A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113080953A (en) * | 2021-04-02 | 2021-07-09 | 江苏大学附属医院 | Surface self-cleaning multifunctional blood taking needle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203016966U (en) * | 2013-01-10 | 2013-06-26 | 司鲁南 | Novel blood taking needle |
| CN103976748A (en) * | 2014-04-11 | 2014-08-13 | 上海金塔医用器材有限公司 | Safety blood taking needle |
| CN204951839U (en) * | 2015-05-22 | 2016-01-13 | 南京农业大学 | Surface has needle for medical science of little reflector structure |
| CN205286368U (en) * | 2015-11-26 | 2016-06-08 | 李燕玲 | Safe blood taking needle |
| CN207745138U (en) * | 2017-06-13 | 2018-08-21 | 湖南省肿瘤医院 | Safety-type vein blood taking 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 |
| CN208837962U (en) * | 2018-04-23 | 2019-05-10 | 中国人民解放军陆军军医大学第三附属医院（野战外科研究所） | A kind of Novel blood taking needle |
| CN208892604U (en) * | 2018-06-05 | 2019-05-24 | 合肥市第二人民医院 | A kind of Anti-stabbing blood taking needle |
| CN209826744U (en) * | 2019-03-18 | 2019-12-24 | 郑州大学第一附属医院 | Anti-needle-prick disposable blood taking needle |
-
2020
- 2020-11-30 CN CN202011371606.8A patent/CN112515671A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203016966U (en) * | 2013-01-10 | 2013-06-26 | 司鲁南 | Novel blood taking needle |
| CN103976748A (en) * | 2014-04-11 | 2014-08-13 | 上海金塔医用器材有限公司 | Safety blood taking needle |
| CN204951839U (en) * | 2015-05-22 | 2016-01-13 | 南京农业大学 | Surface has needle for medical science of little reflector structure |
| CN205286368U (en) * | 2015-11-26 | 2016-06-08 | 李燕玲 | Safe blood taking needle |
| CN207745138U (en) * | 2017-06-13 | 2018-08-21 | 湖南省肿瘤医院 | Safety-type vein blood taking needle |
| CN208837962U (en) * | 2018-04-23 | 2019-05-10 | 中国人民解放军陆军军医大学第三附属医院（野战外科研究所） | A kind of Novel blood taking 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 |
| CN208892604U (en) * | 2018-06-05 | 2019-05-24 | 合肥市第二人民医院 | A kind of Anti-stabbing blood taking needle |
| CN209826744U (en) * | 2019-03-18 | 2019-12-24 | 郑州大学第一附属医院 | Anti-needle-prick disposable blood taking needle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113080953A (en) * | 2021-04-02 | 2021-07-09 | 江苏大学附属医院 | Surface self-cleaning multifunctional blood taking needle |
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