CN108478908B - Bionic painless syringe needle - Google Patents
Bionic painless syringe needle Download PDFInfo
- Publication number
- CN108478908B CN108478908B CN201810423929.3A CN201810423929A CN108478908B CN 108478908 B CN108478908 B CN 108478908B CN 201810423929 A CN201810423929 A CN 201810423929A CN 108478908 B CN108478908 B CN 108478908B
- Authority
- CN
- China
- Prior art keywords
- needle
- curve
- needle tube
- sliding rail
- equal
- 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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Links
- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 10
- 241000256856 Vespidae Species 0.000 abstract description 4
- 210000003491 skin Anatomy 0.000 description 8
- 210000002615 epidermis Anatomy 0.000 description 5
- 206010022086 Injection site pain Diseases 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 235000001968 nicotinic acid Nutrition 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 1
- 230000007012 clinical effect Effects 0.000 description 1
- 210000004207 dermis Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010999 medical injection Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000004126 nerve fiber Anatomy 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000010254 subcutaneous injection Methods 0.000 description 1
- 239000007929 subcutaneous injection Substances 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3286—Needle tip design, e.g. for improved penetration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/329—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles characterised by features of the needle shaft
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3293—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles characterised by features of the needle hub
Abstract
The invention relates to a bionic painless syringe needle, belonging to the technical field of medical appliances, wherein a needle point, a needle tube and a connector are of an integrated structure, the cross section of the needle tube is circular, the upper surface of the needle tube is formed into a curve A by an ab connecting line, the needle tube in a overlooking angle takes a longitudinal axis c-c as a center, and a sliding rail I and a sliding rail II are symmetrically arranged on two sides of the needle tube; the starting point in the sliding rail I is e, the ending point is f, the ef connecting line forms a curve B, the starting point in the sliding rail II is c, the ending point is d, and the cd connecting line forms a curve B'. The mathematical expression for curve a is: y 1＝3.115×10‑5x3-0.04847x2 +27.36x-4688 wherein: x is more than or equal to 350 and less than or equal to 410; the mathematical expression of curve B is: y 2＝5.407×10‑5x3-0.07635x2 +38.27x-6025 wherein: x is more than or equal to 340 and less than or equal to 400; the invention simulates the curve characteristic of the needle part of the hornet, designs the needle head of the injector, is used for painlessly injecting into the skin of a human body, and can reduce the pain of the human body.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a bionic painless syringe needle.
Background
Subcutaneous injection is currently a relatively common medical procedure that uses a syringe to pierce the skin of the human body and deliver the drug directly into the body. During injection, the pain caused by the needle penetrating into the human body is related to the sense organs in the skin of the human body. The human skin consists of three parts of epidermis, dermis and subcutaneous tissue, the pain sensor is located in the epidermis, the medullary nerve fiber of the pain sensor enters the epidermis to lose the nerve membrane and branch into a net shape or a small sphere shape, the pain sensor is dispersed in the cell gap of the epidermis, pain points exist on the surface of the skin, and the pain sensor is densely distributed, so that the pain sensor of the epidermis is particularly sensitive. The receptor depends on the stimulus intensity, the rate of change, the time of action, the area of action, the rate of change and the time of action among the four factors that determine pain during injection are independent of the syringe needle, the area of action depends on the needle model, so the stimulus intensity is the only factor that can be changed in the sense of pain during injection. From the current market, no product which has excellent pain-relieving effect, mature processing technology and reasonable price and can completely replace the common injector in the aspect of clinical effect of medicines is available.
On the other hand, from the bionics perspective, the bee needle of the hornet is curved, and compared with the smooth surface of the injection needle, the curved bee needle has smaller contact resistance with skin tissues, so that the stimulation to nerves is reduced, and the generated pain is greatly reduced.
Based on the above situation, the invention aims to develop a medical injection needle imitating a hornet bee needle, which does not feel pain when pricking into skin, and is very suitable for developing a novel medical injector.
Disclosure of Invention
Aiming at the action form of the syringe needle, the invention utilizes the bionics principle to redesign the syringe needle so that the syringe needle can be painlessly penetrated into human skin.
The invention comprises a needle point 1, a needle tube 2 and a connector 4, wherein the needle point 1, the needle tube 2 and the connector 4 are of an integrated structure, the cross section of the needle tube 2 is circular, and the upper surface of the needle tube 2 is formed into a curve A by an ab connecting line.
The needle tube 2 in the overlooking angle takes the longitudinal axis c-c as the center, and the two sides of the needle tube are symmetrically provided with a slide rail I3 and a slide rail II 5.
The starting point in the sliding rail I3 is e, the ending point is f, the ef connecting line forms a curve B, the starting point in the sliding rail II 5 is c, the ending point is d, and the cd connecting line forms a curve B'.
The mathematical expression for curve a is: y 1＝3.115×10-5x3-0.04847x2 +27.36x-4688
Wherein: x is more than or equal to 350 and less than or equal to 410.
The mathematical expression of curve B is: y 2＝5.407×10-5x3-0.07635x2 +38.27x-6025
Wherein: x is more than or equal to 340 and less than or equal to 400.
The length L1 of the needle head is 16-60mm, the outer diameter L2 of the needle tube 2 is 0.4-1.76mm, and the thickness L3 of the needle tube 2 is 0.124-0.273mm; the included angle alpha of the needle tip 1 is 11-17 degrees.
The arc angle beta of the circle where the starting point e of the sliding rail I3 and the starting point c of the sliding rail II 5 are positioned is 120-170 degrees; the cross sections of the sliding rail I3 and the sliding rail II 5 are arc-shaped, the arc radius L4 is 0.019-0.037mm, the arc angle gamma is 90-120 degrees, and the arc angle delta of the circle where the end point d of the sliding rail I3 and the end point f of the sliding rail II 5 are located is 85-115 degrees.
The invention simulates the curve characteristic of the needle part of the hornet, designs the needle head of the injector, is used for painlessly injecting into the skin of a human body, and can reduce the pain of the human body.
Drawings
FIG. 1 is a front view of a bionic painless syringe needle
FIG. 2 is a top view of a bionic painless syringe needle
FIG. 3 is a sectional view and partial enlarged view of a bionic painless syringe needle at points c and e
FIG. 4 is an enlarged view of the graph indicated by g in FIG. 3
FIG. 5 is a cross-sectional view of a bionic painless syringe needle at points d and f
FIG. 6 is a schematic view of needle surface curve A
FIG. 7 is a schematic diagram of curve B
Wherein: 1. needle tip 2, needle tube 3, slide rail I4, connector 5 and slide rail II
Detailed Description
The invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the invention is composed of a needle tip 1, a needle tube 2 and a connector 4, wherein the needle tip 1, the needle tube 2 and the connector 4 are of an integrated structure, the cross section of the needle tube 2 is circular, and the upper surface of the needle tube 2 is formed into a curve A by an ab connecting line.
The needle tube 2 in the overlooking angle takes the longitudinal axis c-c as the center, and the two sides of the needle tube are symmetrically provided with a slide rail I3 and a slide rail II 5.
The starting point in the sliding rail I3 is e, the ending point is f, the ef connecting line forms a curve B, the starting point in the sliding rail II 5 is c, the ending point is d, and the cd connecting line forms a curve B'.
The mathematical expression for curve a is: y 1＝3.115×10-5x3-0.04847x2 +27.36x-4688
Wherein: x is more than or equal to 350 and less than or equal to 410.
The mathematical expression of curve B is: y 2＝5.407×10-5x3-0.07635x2 +38.27x-6025
Wherein: x is more than or equal to 340 and less than or equal to 400.
The length L1 of the needle head is 16-60mm, the outer diameter L2 of the needle tube 2 is 0.4-1.76mm, and the thickness L3 of the needle tube 2 is 0.124-0.273mm; the included angle alpha of the needle tip 1 is 11-17 degrees.
The arc angle beta of the circle where the starting point e of the sliding rail I3 and the starting point c of the sliding rail II 5 are positioned is 120-170 degrees; the cross sections of the sliding rail I3 and the sliding rail II 5 are arc-shaped, the arc radius L4 is 0.019-0.037mm, the arc angle gamma is 90-120 degrees, and the arc angle delta of the circle where the end point d of the sliding rail I3 and the end point f of the sliding rail II 5 are located is 85-115 degrees.
Claims (1)
1. The bionic painless syringe needle consists of a needle point (1), a needle tube (2) and a connector (4), wherein the needle point (1), the needle tube (2) and the connector (4) are of an integrated structure, and the bionic painless syringe needle is characterized in that the cross section of the needle tube (2) is circular, and the upper surface of the needle tube is formed into a curve A by an ab connecting line; the needle tube (2) under the overlooking angle takes a longitudinal axis c-c as a center, and a sliding rail I (3) and a sliding rail II (5) are symmetrically arranged on two sides of the needle tube; a starting point in the sliding rail I (3) is e, an ending point is f, and an ef connecting line forms a curve B; the starting point in the sliding rail II (5) is c, the end point is d, and a cd connecting line forms a curve B';
the mathematical expression for curve a is:
y1＝3.115×10-5x3-0.04847x2+27.36x-4688
wherein x is more than or equal to 350 and less than or equal to 410;
the mathematical expression of curve B is:
y2＝5.407×10-5x3-0.07635x2+38.27x-6025
Wherein, x is more than or equal to 340 and less than or equal to 400
The length L1 of the needle head is 16-60mm, the outer diameter L2 of the needle tube (2) is 0.4-1.76mm, and the thickness L3 of the needle tube (2) is 0.124-0.273mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810423929.3A CN108478908B (en) | 2018-05-07 | 2018-05-07 | Bionic painless syringe needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810423929.3A CN108478908B (en) | 2018-05-07 | 2018-05-07 | Bionic painless syringe needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108478908A CN108478908A (en) | 2018-09-04 |
| CN108478908B true CN108478908B (en) | 2024-04-26 |
Family
ID=63353637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810423929.3A Active CN108478908B (en) | 2018-05-07 | 2018-05-07 | Bionic painless syringe needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108478908B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345917A (en) * | 2019-06-05 | 2020-06-30 | 天津市第三中心医院 | Myocardial injection molding method and device after myocardial infarction of mouse |
| CN110478569B (en) * | 2019-08-16 | 2021-07-16 | 吉林大学 | Anti-needle-drop bionic pain-relieving intravenous injection needle head |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW534826B (en) * | 1998-12-23 | 2003-06-01 | Specialized Health Prod Inc | In-line retractable safety medical needle assembly |
| CN1646182A (en) * | 2002-03-29 | 2005-07-27 | 泰尔茂株式会社 | Injection needle |
| CN2714074Y (en) * | 2004-02-05 | 2005-08-03 | 阎侗有 | Super-sharp painless needle |
| JP2008154842A (en) * | 2006-12-25 | 2008-07-10 | Nisshin Kogu Kk | Injection needle |
| CN103071210A (en) * | 2013-01-19 | 2013-05-01 | 吉林大学 | Injector needle head with needle point in bionic form |
| CN103551475A (en) * | 2013-11-15 | 2014-02-05 | 吉林大学 | Processing method of bionic syringe needle and dedicated processing device of bionic syringe needle |
| CN104740731A (en) * | 2013-12-27 | 2015-07-01 | 苏州和林精密科技有限公司 | Seamless painless syringe needle and manufacturing method thereof |
| CN106068135A (en) * | 2014-03-06 | 2016-11-02 | 卡贝欧洲有限公司 | The apparatus and method of conveying medicine |
| CN106110447A (en) * | 2016-07-19 | 2016-11-16 | 西安培华学院 | A kind of new medical painless syringe syringe needle |
| CN209019640U (en) * | 2018-05-07 | 2019-06-25 | 吉林大学 | A kind of bionical painless syringe syringe needle |
-
2018
- 2018-05-07 CN CN201810423929.3A patent/CN108478908B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW534826B (en) * | 1998-12-23 | 2003-06-01 | Specialized Health Prod Inc | In-line retractable safety medical needle assembly |
| CN1646182A (en) * | 2002-03-29 | 2005-07-27 | 泰尔茂株式会社 | Injection needle |
| CN2714074Y (en) * | 2004-02-05 | 2005-08-03 | 阎侗有 | Super-sharp painless needle |
| JP2008154842A (en) * | 2006-12-25 | 2008-07-10 | Nisshin Kogu Kk | Injection needle |
| CN103071210A (en) * | 2013-01-19 | 2013-05-01 | 吉林大学 | Injector needle head with needle point in bionic form |
| CN103551475A (en) * | 2013-11-15 | 2014-02-05 | 吉林大学 | Processing method of bionic syringe needle and dedicated processing device of bionic syringe needle |
| CN104740731A (en) * | 2013-12-27 | 2015-07-01 | 苏州和林精密科技有限公司 | Seamless painless syringe needle and manufacturing method thereof |
| CN106068135A (en) * | 2014-03-06 | 2016-11-02 | 卡贝欧洲有限公司 | The apparatus and method of conveying medicine |
| CN106110447A (en) * | 2016-07-19 | 2016-11-16 | 西安培华学院 | A kind of new medical painless syringe syringe needle |
| CN209019640U (en) * | 2018-05-07 | 2019-06-25 | 吉林大学 | A kind of bionical painless syringe syringe needle |
Non-Patent Citations (2)
| Title |
|---|
| 仿生减阻针头穿刺过程中力学行为分析;齐迎春;丛茜;齐欣;;医用生物力学(第04期);427-431 * |
| 齐迎春 ; 丛茜 ; 齐欣 ; .仿生减阻针头穿刺过程中力学行为分析.医用生物力学.2012,(第04期),427-431. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108478908A (en) | 2018-09-04 |
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