CN101810897A - Injection needle with spiral surface - Google Patents
Injection needle with spiral surface Download PDFInfo
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- CN101810897A CN101810897A CN 201010163557 CN201010163557A CN101810897A CN 101810897 A CN101810897 A CN 101810897A CN 201010163557 CN201010163557 CN 201010163557 CN 201010163557 A CN201010163557 A CN 201010163557A CN 101810897 A CN101810897 A CN 101810897A
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- needle
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- injection
- injection needle
- thread groove
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Abstract
The invention relates to an injection needle with a threaded surface, which is applied to the field of disposable interventional medical apparatus in the process of clinical transfusion, sampling, puncturing, and the like. The injection needle is characterized in that the surface of the injection needle has a threaded surface with a threaded structure form, wherein a thread adopts an equidistant thread or a variable-distance thread, the depth (c) of a thread groove is 0.01-0.10mm, the width (a) of the thread groove is 0.02-0.50mm, and the thread distance (b) is greater than 1mm. The thread groove can be an inverted triangle, a circular arc, a rectangle, and the like. The threaded form is added on the surface of a needle tube for reducing the continuous friction resistance of the needle tube in the injecting and puncturing process and the stimulation effect of the needle tube to subcutaneous nerve endings in the puncturing process and realizing the pain relieving effect.
Description
Technical field
The present invention relates to the injection needle that a kind of surface has threaded form.Be applied to the disposable interventional medical device field of processes such as clinical transfusion, sampling, puncture.
Background technology
Interventional therapys such as transfusion injection, puncture sampling are treatment meanss indispensable, main in the clinical treatment.But utensil is that the patient fears and avoids one of factor of treatment to the destruction of skin histology and the pain that causes thereof in the injection piercing process.Generally speaking, human will inoculate various vaccines beginning, need medical treatments such as various punctures and injection when various diseases taking place hindering from birth.The injection, puncture pain and the body injury that reduce the operation receiveing person effectively are one of main directions of current medical device research.
At present, studies show that at injection, puncture pain mechanism the stimulation to subcutaneous teleneuron in the skin injury that needle point causes, the penetration Resistance of needle tubing and the piercing process is main pain root.At pain mechanism, the main method of the painless injection of existing report has (1) micropin technology.With injection of insulin pin and microneedle array is representative, this painless injection pin is by reducing the diameter of needle tubing, reduces the skin injury area and to the stimulation of subcutaneous nerve, even entry needle only penetrates epidermis in the injection process, do not reach the teleneuron layer, and realize painless purpose.Caliber is little but there is transfusion in this micropin, drawbacks such as manufacturing cost height; (2) the needle point sharpness is optimized.This is current conventional injection needle a kind of technology commonly used, and it is to utilize the method for optimizing needle point, can effectively reduce the puncture effect, but can not reduce the resistance of piercing process needle tubing; (3) Needleless injection.Needleless injection is to utilize high-pressure spray directly drug particles to be driven into subcutaneous a kind of technology, because there is not the pin piercing process, medicine only reaches the epidermis shallow-layer, and very high to the requirement of medicine, the implementation cost costliness; (4) injection skill and technique.The patient is by consummate handicraft in the clinical care, and as part massage, improve the purpose that methods such as puncture speed and angle can both realize painless injection, this skill and technique mainly relies on patient's handicraft.
Summary of the invention
The objective of the invention is to overcome the above-mentioned all shortcomings and the deficiency of existing syringe needle, provide a kind of surface to have the injection needle of spiral.By changing the needle surface form, the frictional resistance of syringe needle and skin histology in the minimizing injection piercing process reduces the stimulation of injection piercing process to teleneuron thus.
Above-mentioned purpose of the present invention is achieved through the following technical solutions, and accompanying drawings is as follows:
A kind of surface has the injection needle of spiral, described injection needle surface is for having the thread surface of helicitic texture form, and screw thread adopts constant worm pich or gaining twist, and screw thread groove depth (c) is 0.01-0.10mm, thread groove width (a) is 0.02-0.50mm, and pitch (b) is greater than 1mm.
The thread groove cross section is del, circular arc or rectangle.
Described screw thread adopts one at least.
Described screw thread is whole or local being distributed as of needle surface.
Surface of the present invention has the injection needle of spiral, can be used for all injections that intravenous needle, intramuscular injection pin, blood taking needle, living body sampling, body fluid drainage needle etc. are applied to soma puncture, medical intervention apparatus punctures.Its clinical use is identical with conventional injection puncture instrument, no special operational instructions for use.
Technique effect of the present invention is:
Medical interventional instruments such as venoclysis needle in the clinical treatment fields such as injection, puncture sampling, intramuscular injection pin, blood taking needle, biopsy can be applicable to infuse.This injection needle reduces the frictional resistance of syringe needle and skin histology by at conventional syringe needle surface machining screw configuration, realizes that injection, puncture subtract the pain purpose.Generally speaking, sharp needle point is cut skin open in routine injection, piercing process, syringe needle and skin histology produce frictional resistance, and pain is mainly derived from needle point to stimulation, syringe needle and the skin histology friction of teleneuron and viscidly involve the nerve stimulation that causes, the effects such as sensitivity of foreign materials.Syringe needle with threaded form disclosed by the invention, can reduce the contact area of syringe needle and skin histology in the injection piercing process, eliminate the gathering of the stress stimulation that successive viscid friction causes and reduce its stimulus intensity, when adopting the surface that lubricant is arranged, improve the distribution and the lubricant effect of lubricant.
Description of drawings
Fig. 1 (a) is a kind of structural representation of the present invention;
Fig. 1 (b) is the helicitic texture partial enlarged drawing of Fig. 1 (a);
Fig. 1 (c) is the partial enlarged drawing (the thread groove cross section is a del) of Fig. 1 (b) 3;
Fig. 1 (d) is the partial enlarged drawing (the thread groove cross section is a circular arc) of Fig. 1 (b) 3.
Fig. 2 is a needle surface helicitic texture sketch map.
Fig. 3 (a) is that needle surface is laterally along bar (coarse pitch) form sketch map;
Fig. 3 (b, c, d) is respectively the A-A` profile of Fig. 3 (a), and wherein: Fig. 3 (b) is that the thread groove cross section is a del, and Fig. 3 (c) is for the thread groove cross section is a circular arc, and Fig. 3 (d) is that the thread groove cross section is a rectangle.
Fig. 4 (a, b) is the application sketch map in other types injection, the puncture instrument.
4. needle point 5. transfusion device Connection Blocks 6. transfusion device handles 7. sub-pins of 1. needle tubing Connection Blocks, 2. needle tubings surfaces, 3. groove screw threads (bar) in the accompanying drawing
A. recess width b. pitch c. groove is dark.
The specific embodiment
Below attachment figure illustrated embodiment to further specify particular content of the present invention be its embodiment.
The entry needle that a kind of surface has spiral is to be made of syringe needle (or puncture instrument) and its surperficial groove shape screw thread, and the needle surface threaded form can be a del, also can be circular arc or rectangle etc.The form of its needle surface can be that roll extrusion realizes in preparation of pipes technology, also can adopt the method preparation of reworking on needle tubing.
The needle surface screw thread can be equidistant single thread on same syringe needle, also can be the many screw threads of displacement; Screw thread groove depth (c) scope is 0.01-0.10mm; The width of thread (a) is 0.02-0.50mm; Pitch (b) becomes the entry needle surface along strip greater than 1mm until screw thread; It can be to occupy whole needle tubings surface that the syringe needle screw thread distributes, and also can be local.
Surface of the present invention has the entry needle of spiral, can be used for all injections that intravenous needle, intramuscular injection pin, blood taking needle, living body sampling, body fluid drainage needle etc. are applied to soma puncture, medical intervention apparatus punctures.Its clinical use is identical with conventional injection puncture instrument, no special operational instructions for use.
Characteristics of the present invention are the groove shape screw thread on needle tubing surface, with the intramuscular injection pin is example, injection needle (2) surface has groove shape screw thread, the thread groove area account for the needle tubing surface area 20% in, its groove distribute can be consult shown in Figure 1, also can consult shown in Figure 3ly, contain and a plurality ofly laterally form along bar shapeds.In clinical use, because the continuous groove effect on needle tubing surface, reduced the real contact area of syringe needle and skin histology, and the continuous friction of syringe needle and skin histology become be interrupted friction, can effectively reduce skin histology sticking together of needle surface led the frictional resistance and to the stimulation of subcutaneous teleneuron of stagnating.Injection needle using method disclosed by the invention and conventional entry needle are as good as, and the patient uses does not have SOR, for by the patient owing to reduce puncture frictional resistance, can realize subtracting the pain effect.
Consult shown in Figure 4ly, the thread surface form can be used for venoclysis needle, injection such as the primary and secondary pin that biopsy is used Centesis instrument.According to the size of syringe size, its screw thread can be a multiple whorl, also can be single thread, or a plurality of along bar shaped, and the threaded recess place accounts for, and needle surface is long-pending to be less than 20%.Identical with intramuscular injection pin application example, the purpose that the surface has injection puncture instruments such as the venoclysis needle, primary and secondary pin, blood taking needle of screw thread is by reducing surperficial contact area and state, realizing subtracting the pain purpose.
As when adopting surface lubricant, the groove shape threaded form on surface can be strengthened the lubricant lubricant effect, further reduces puncture and frictional resistance, and then realizes subtracting the pain purpose.
The processing of needle surface form can be finished in drawing pipe technology in roll extrusion, also can utilize method preparations such as machinery, laser or chemical etching after the entry needle molding.
Claims (4)
1. a surface has the injection needle of spiral, it is characterized in that, described injection needle surface is for having the thread surface of helicitic texture form, screw thread adopts constant worm pich or gaining twist, screw thread groove depth (c) is 0.01-0.10mm, thread groove width (a) is 0.02-0.50mm, and pitch (b) is greater than 1mm.
2. surface according to claim 1 has the injection needle of spiral, it is characterized in that, the thread groove cross section is del, circular arc or rectangle.
3. surface according to claim 1 and 2 has the injection needle of spiral, it is characterized in that, described screw thread adopts one at least.
4. surface according to claim 1 and 2 has the injection needle of spiral, it is characterized in that, described screw thread is whole or local being distributed as of needle surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101635579A CN101810897B (en) | 2010-05-06 | 2010-05-06 | Injection needle with spiral surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101635579A CN101810897B (en) | 2010-05-06 | 2010-05-06 | Injection needle with spiral surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101810897A true CN101810897A (en) | 2010-08-25 |
| CN101810897B CN101810897B (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101635579A Expired - Fee Related CN101810897B (en) | 2010-05-06 | 2010-05-06 | Injection needle with spiral surface |
Country Status (1)
| Country | Link |
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| CN (1) | CN101810897B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102727959A (en) * | 2011-04-14 | 2012-10-17 | 湖南平安医疗器械有限公司 | Wing-shaped infusion needle connection seat |
| CN103071210A (en) * | 2013-01-19 | 2013-05-01 | 吉林大学 | Injector needle head with needle point in bionic form |
| CN104783842A (en) * | 2015-04-10 | 2015-07-22 | 山东大学 | Novel anti-drag surface texture biopsy needle |
| CN104825212A (en) * | 2015-05-18 | 2015-08-12 | 山东大学 | Medical puncture needle with spiral type microstructure and manufacturing method thereof |
| CN105148377A (en) * | 2015-07-21 | 2015-12-16 | 苏州百利医疗用品有限公司 | Spiral core sampling tube for medical use |
| CN107596498A (en) * | 2017-10-27 | 2018-01-19 | 李建华 | A kind of helical coil musical form adjustable reducing transfusion needle |
| CN108056840A (en) * | 2017-11-20 | 2018-05-22 | 万阔 | A kind of intraosseous injection system |
| CN108310473A (en) * | 2018-01-31 | 2018-07-24 | 采纳科技股份有限公司 | Injection needle silicone coating material and the injection needle for coating this coating |
| CN109999316A (en) * | 2019-04-29 | 2019-07-12 | 南通伊诺精密塑胶导管有限公司 | A kind of blood vessel microtubular with developing mark function |
| CN112075958A (en) * | 2019-06-13 | 2020-12-15 | 上海交通大学医学院附属第九人民医院 | Puncture sampling device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003024339A (en) * | 2001-07-17 | 2003-01-28 | Hakko Medical:Kk | Bio-medical cement injection device having tissue collecting function |
| CN1765428A (en) * | 2005-11-18 | 2006-05-03 | 吉林大学 | Painless syringe |
| CN201643335U (en) * | 2010-05-06 | 2010-11-24 | 吉林大学 | Syringe needle with threaded surface |
-
2010
- 2010-05-06 CN CN2010101635579A patent/CN101810897B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003024339A (en) * | 2001-07-17 | 2003-01-28 | Hakko Medical:Kk | Bio-medical cement injection device having tissue collecting function |
| CN1765428A (en) * | 2005-11-18 | 2006-05-03 | 吉林大学 | Painless syringe |
| CN201643335U (en) * | 2010-05-06 | 2010-11-24 | 吉林大学 | Syringe needle with threaded surface |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102727959A (en) * | 2011-04-14 | 2012-10-17 | 湖南平安医疗器械有限公司 | Wing-shaped infusion needle connection seat |
| CN102727959B (en) * | 2011-04-14 | 2015-06-03 | 湖南平安医疗器械有限公司 | Wing-shaped infusion needle connection seat |
| CN103071210A (en) * | 2013-01-19 | 2013-05-01 | 吉林大学 | Injector needle head with needle point in bionic form |
| CN104783842A (en) * | 2015-04-10 | 2015-07-22 | 山东大学 | Novel anti-drag surface texture biopsy needle |
| CN104825212A (en) * | 2015-05-18 | 2015-08-12 | 山东大学 | Medical puncture needle with spiral type microstructure and manufacturing method thereof |
| CN105148377A (en) * | 2015-07-21 | 2015-12-16 | 苏州百利医疗用品有限公司 | Spiral core sampling tube for medical use |
| CN105148377B (en) * | 2015-07-21 | 2018-07-27 | 苏州百利医疗用品有限公司 | A kind of medical spiral core sampling pipe |
| CN107596498A (en) * | 2017-10-27 | 2018-01-19 | 李建华 | A kind of helical coil musical form adjustable reducing transfusion needle |
| CN108056840A (en) * | 2017-11-20 | 2018-05-22 | 万阔 | A kind of intraosseous injection system |
| CN108310473A (en) * | 2018-01-31 | 2018-07-24 | 采纳科技股份有限公司 | Injection needle silicone coating material and the injection needle for coating this coating |
| CN109999316A (en) * | 2019-04-29 | 2019-07-12 | 南通伊诺精密塑胶导管有限公司 | A kind of blood vessel microtubular with developing mark function |
| CN112075958A (en) * | 2019-06-13 | 2020-12-15 | 上海交通大学医学院附属第九人民医院 | Puncture sampling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101810897B (en) | 2011-12-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20120506 |