CN105195984A - Painless suction type medical needle and production technology thereof - Google Patents
Painless suction type medical needle and production technology thereof Download PDFInfo
- Publication number
- CN105195984A CN105195984A CN201510575885.2A CN201510575885A CN105195984A CN 105195984 A CN105195984 A CN 105195984A CN 201510575885 A CN201510575885 A CN 201510575885A CN 105195984 A CN105195984 A CN 105195984A
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- China
- Prior art keywords
- needle
- needle body
- type medical
- welding
- painless
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- 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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- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 22
- 238000010926 purge Methods 0.000 claims abstract description 11
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 7
- 239000010937 tungsten Substances 0.000 claims abstract description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 11
- 229910052786 argon Inorganic materials 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 238000003698 laser cutting Methods 0.000 claims description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 235000014413 iron hydroxide Nutrition 0.000 claims description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 3
- 239000001488 sodium phosphate Substances 0.000 claims description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 5
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 239000011261 inert gas Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 11
- 238000001727 in vivo Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000007443 liposuction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a painless suction type medical needle and a production technology thereof. A smooth and arc-shaped needle head is welded at the front end of the suction type medical needle with a welding technology, so that the needle head in the body cannot cause inevitable secondary injuries due to puncture of a patient, and the pain of the patient can be greatly relieved when the smooth and arc-shaped needle head is located in the body; the needle head is round and safer than a sharp-head needle, an opening is formed in the side surface, an injection medium is more uniform, the injection effect is better, and through cooperation of TIG (tungsten inert gas) welding with subsequent hydraulic and pneumatic purging grinding, the needle head welded on a tiny needle tube is firm and smooth. The TIG welding technology is adopted, a workpiece is molten, a specific molten pool is formed, the tiny needle head and needle tube can be well combined and cannot separate and fall easily, the needle tube cannot be damaged and deformed during welding, a black film formed by chemically corroded scale marks is firm, the processing temperature is low, and accordingly, the attractive appearance can be kept.
Description
Technical field
The present invention relates to medical equipment technical field, be specifically related to a kind of Painless type drawing-in type medical needle and production technology thereof.
Background technology
Existing medically drawing-in type medical needle many employings normal injection pin type syringe needle, its syringe needle is pointed, when carrying out the beautifying medicals such as liposuction to patient, because syringe needle needs to be positioned at body for a long time, pointed needle point easily stabs patient in vivo, cause inevitable secondary injury, and pointed needle point also can make patient pain feel intensification in vivo.
Summary of the invention
In order to solve the deficiencies in the prior art, of the present inventionly provide a kind of Painless type drawing-in type medical needle and production technology thereof.
The technical solution that the present invention adopts is: a kind of Painless type drawing-in type medical needle, comprise needle body, described needle body is hollow cylinder, described needle body side has pin hole, described needle body top is provided with the syringe needle with human contact, described syringe needle is smooth curved surface, described needle body is also provided with uniformly some for indicating that needle body inserts the graduation mark of human depth.
Described needle body adopts 304 stainless steels to make.
A production technology for Painless type drawing-in type medical needle, comprises the following steps:
(1) first needle tubing is prepared, then at needle tubing side laser cutting needle outlet;
(2) just syringe needle and needle tubing carry out TIG and weld again, adopt the power supply of vertical external characteristics, protective gas is argon gas, purity is 99.99%, when welding current is 50-150A, argon flow amount is 8-10L/min, when electric current is 150-250A, argon flow amount is 12-15L/min, tungsten electrode is 4-5mm from the length that gas nozzle is outstanding, and nozzle is no more than 15mm to the distance of work, and welding arc length is 1-3mm, tungsten electrode center line and weld workpiece keep angle to be 80-85 °, and filler wire and surface of the work angle are 10 °;
(3) after having welded, with hairbrush, the syringe needle after having welded is cleaned again, adopt 400 ° of below C hydraulic pressure and the polishing of air pressure purge, described hydraulic pressure and the buffer brake of air pressure are 0.4 ~ 0.5MPa, until syringe needle and needle tubing junction smooth surface impulse-free robustness;
(4) needle body after being completed by purge again carries out alkaline low-temperature oxidation processes and form graduation mark: first by sandblasting that needle body is polished, remove cured 10 minutes at 80-95 DEG C again, again by needle body oil removing 5-10 minute, then first wash, use the pickling in 3-5 minute of acid solution soak at room temperature again, described acid solution is the analysis pure hydrochloric acid of 50%, wash away acid solution again, then NaOH 15% is used, sodium phosphate 3%, natrium nitrosum 2%, lead peroxide 2%, iron hydroxide 0.1%, surplus is the solution oxide process of water, treatment temperature is 120-128 DEG C, continue 2-5 minute, again thoroughly wash 10-15 minute, wash away the solution of remained on surface, then dry, after the needle body surface formation oxide-film closed protective of process to be oxidized, again dry,
(5) needle body complete for oxidation processes is adopted 400 ° of below C hydraulic pressure and air pressure purge again, described hydraulic pressure and the buffer brake of air pressure are that then 0.4 ~ 0.5MPa dehydrates, and obtain described Painless type drawing-in type medical needle.
The invention has the beneficial effects as follows: the invention provides a kind of Painless type drawing-in type medical needle and production technology thereof, by welding procedure, the front end of drawing-in type medical needle is welded with the syringe needle of smooth circular arc, make syringe needle can not stab patient in vivo, cause inevitable secondary injury, and the syringe needle of smooth circular arc also can reduce the pain of patient in vivo greatly, syringe needle is mellow and full, compare Tip-headed needle safer, lateral opening, injectable media evenly, injection effect is better, and on needle body, graduation mark is set, for indicating that needle body inserts human depth, more accurate accurate, and adopt TIG welding to coordinate follow-up hydraulic pressure and the polishing of air pressure purge, make the syringe needle that is welded on tiny needle tubing firmly smooth, the present invention is by TIG welding procedure, make work pieces meld, form specific molten bath, tiny syringe needle pin needle tubing can well be combined, not easily separatedly to come off, and damage distortion can not be caused to needle tubing in welding process, and the black film that the graduation mark of chemical attack generates is solid, and due to treatment temperature low, surface attractive in appearance can be kept.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is A place of the present invention enlarged drawing.
1-needle body in figure, 2-pin hole, 3-syringe needle, 4-graduation mark.
Detailed description of the invention
Existing composition graphs 1, Fig. 2 are further described the present invention, and a kind of Painless type drawing-in type medical needle, comprises needle body 1, and described needle body 1 adopts 304 stainless steels to make.Described needle body 1 is hollow cylinder, and described needle body 1 side has pin hole 2, and described pin hole 2 adopts laser cutting to be formed.Described needle body 1 top is provided with the syringe needle 3 with human contact, and described syringe needle 3 is smooth curved surface, and described syringe needle 3 and needle body 1 are by being welded to connect.Described needle body 1 is also provided with uniformly some for indicating that needle body 1 inserts the graduation mark 4 of human depth.Described graduation mark 4 is etched in needle body 1 surface by chemical attack.The front end of drawing-in type medical needle is welded with the syringe needle 3 of smooth circular arc by the present invention by welding procedure, make syringe needle 3 can not stab patient in vivo, cause inevitable secondary injury, and the syringe needle 3 of smooth circular arc also can reduce the pain of patient in vivo greatly, syringe needle 3 is mellow and full, compare Tip-headed needle safer, lateral opening, injectable media evenly, injection effect is better, and on needle body, graduation mark is set, for indicating that needle body inserts human depth, more accurate accurate.
A production technology for Painless type drawing-in type medical needle, comprises the following steps:
(1) first needle tubing is prepared, then the needle tubing side laser cutting needle outlet prepared;
(2) just syringe needle and needle tubing carry out TIG and weld again; adopt the power supply of vertical external characteristics; positive polarity (welding wire connects negative pole) is adopted during direct current; protective gas is argon gas; purity is 99.99%, and when welding current is 50 ~ 150A, argon flow amount is 8 ~ 10L/min; when electric current is 150 ~ 250A, argon flow amount is 12 ~ 15L/min.The length that tungsten electrode is given prominence to from gas nozzle, being good with 4 ~ 5mm, is 2 ~ 3mm in the place of the shielding differences such as fillet welding, slotting, dark place is 5 ~ 6mm, nozzle is generally no more than 15mm to the distance of work, and for preventing the appearance of weld blowhole, welding position must be cleaned out if any iron rust, greasy dirt etc.Welding arc length, during welding ordinary steel, is good with 2 ~ 4mm; and during soldering stainless steel, be good with 1 ~ 3mm, long then protected effect is bad; during docking bottoming, for preventing the back side of bottom welding bead oxidized, the back side also needs to implement gas shield; welding pool is protected well for making argon gas; with be convenient to welding operation, tungsten electrode center line and weld workpiece generally should keep 80 ~ 85 ° of angles, and filler wire and surface of the work angle should be little as much as possible; be generally about 10 °, windproof with ventilation.Have the place of wind, business please take the measure of backstop, then should take suitable ventilation measure in indoor;
(3) after having welded, with hairbrush, the syringe needle after having welded is cleaned again, adopt 400 ° of below C hydraulic pressure and the polishing of air pressure purge, described hydraulic pressure and the buffer brake of air pressure are 0.4 ~ 0.5MPa, until syringe needle and needle tubing junction smooth surface impulse-free robustness;
(4) needle body after being completed by purge again carries out alkaline low-temperature oxidation processes and form graduation mark: first carry out polishing sandblasting by needle body, remove cured 10 minutes under 80-95 DEG C of condition again, again by stainless steel needle body oil removing 5-10 minute, then first wash, use the pickling in 3-5 minute of acid solution soak at room temperature again, described acid solution is the analysis pure hydrochloric acid of 50%, wash away acid solution again, then NaOH 15% is used, sodium phosphate 3%, natrium nitrosum 2%, lead peroxide 2%, iron hydroxide 0.1%, surplus is the solution oxide process of water, treatment temperature is 120-128 DEG C, continue 2-5 minute, again thoroughly wash 10-15 minute, wash away the solution of remained on surface, then dry, after the needle body surface formation oxide-film closed protective of process to be oxidized, again dry, the black film that the method generates is solid, because treatment temperature is low, can keep attractive in appearance.
(5) needle body complete for oxidation processes is adopted 400 ° of below C hydraulic pressure and air pressure purge again, described hydraulic pressure and the buffer brake of air pressure are that then 0.4 ~ 0.5MPa dehydrates, and obtain described Painless type drawing-in type medical needle.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. a Painless type drawing-in type medical needle, comprise needle body (1), described needle body (1) is hollow cylinder, it is characterized in that, described needle body (1) side has pin hole (2), described needle body (1) top is provided with and the syringe needle of human contact (3), and described syringe needle (3) is smooth curved surface, described needle body (1) is also provided with uniformly some for indicating that needle body (1) inserts the graduation mark (4) of human depth.
2. a kind of Painless type drawing-in type medical needle according to claim 1, is characterized in that, described needle body (1) adopts 304 stainless steels to make.
3. a production technology for Painless type drawing-in type medical needle according to claim 1, is characterized in that, comprise the following steps:
(1) first needle tubing is prepared, then at needle tubing side laser cutting needle outlet;
(2) just syringe needle and needle tubing carry out TIG and weld again, adopt the power supply of vertical external characteristics, protective gas is argon gas, purity is 99.99%, when welding current is 50-150A, argon flow amount is 8-10L/min, when electric current is 150-250A, argon flow amount is 12-15L/min, tungsten electrode is 4-5mm from the length that gas nozzle is outstanding, and nozzle is no more than 15mm to the distance of work, and welding arc length is 1-3mm, tungsten electrode center line and weld workpiece keep angle to be 80-85 °, and filler wire and surface of the work angle are 10 °;
(3) after having welded, with hairbrush, the syringe needle after having welded is cleaned again, adopt 400 ° of below C hydraulic pressure and the polishing of air pressure purge, described hydraulic pressure and the buffer brake of air pressure are 0.4 ~ 0.5MPa, until syringe needle and needle tubing junction smooth surface impulse-free robustness;
(4) needle body after being completed by purge again carries out alkaline low-temperature oxidation processes and form graduation mark: first by sandblasting that needle body is polished, remove cured 10 minutes at 80-95 DEG C again, again by needle body oil removing 5-10 minute, then first wash, use the pickling in 3-5 minute of acid solution soak at room temperature again, described acid solution is the analysis pure hydrochloric acid of 50%, wash away acid solution again, then NaOH 15% is used, sodium phosphate 3%, natrium nitrosum 2%, lead peroxide 2%, iron hydroxide 0.1%, surplus is the solution oxide process of water configuration, treatment temperature is 120-128 DEG C, continue 2-5 minute, again thoroughly wash 10-15 minute, wash away the oxidizing solution of remained on surface, then dry, after the needle body surface formation oxide-film closed protective of process to be oxidized, again dry,
(5) needle body complete for oxidation processes is adopted 400 ° of below C hydraulic pressure and air pressure purge again, described hydraulic pressure and the buffer brake of air pressure are that then 0.4 ~ 0.5MPa dehydrates, and obtain described Painless type drawing-in type medical needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575885.2A CN105195984B (en) | 2015-09-11 | 2015-09-11 | A kind of Painless type drawing-in type medical needle and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575885.2A CN105195984B (en) | 2015-09-11 | 2015-09-11 | A kind of Painless type drawing-in type medical needle and its production technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105195984A true CN105195984A (en) | 2015-12-30 |
| CN105195984B CN105195984B (en) | 2017-09-29 |
Family
ID=54944112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510575885.2A Active CN105195984B (en) | 2015-09-11 | 2015-09-11 | A kind of Painless type drawing-in type medical needle and its production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105195984B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803185A (en) * | 2020-07-16 | 2020-10-23 | 中国人民解放军总医院第八医学中心 | Facial liposuction device capable of controlling and displaying suction position |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2119213U (en) * | 1992-04-19 | 1992-10-21 | 于教国 | Needle for injection and suction of cataract |
| JPH0928758A (en) * | 1995-07-18 | 1997-02-04 | Seirin Kasei Kk | Method for fixing needle and needle tube and needle with needle tube |
| CN2355727Y (en) * | 1998-12-05 | 1999-12-29 | 曹孟君 | Medical micro traumatic syringe needle for soft tissue |
| CN2832066Y (en) * | 2005-08-29 | 2006-11-01 | 李金阁 | A puncture needle for cystostomy |
| CN203915655U (en) * | 2014-06-19 | 2014-11-05 | 温州市高万利医疗器材有限公司 | Disposable side opening intravenous needle |
| CN204134019U (en) * | 2014-03-31 | 2015-02-04 | 中国人民解放军第二军医大学 | Detect the passivity syringe needle that the permanent vascular access of chronic sustain discharge period is unobstructed |
| CN204951749U (en) * | 2015-09-11 | 2016-01-13 | 温州科技职业学院 | Painless type suction formula needle for medical treatment |
-
2015
- 2015-09-11 CN CN201510575885.2A patent/CN105195984B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2119213U (en) * | 1992-04-19 | 1992-10-21 | 于教国 | Needle for injection and suction of cataract |
| JPH0928758A (en) * | 1995-07-18 | 1997-02-04 | Seirin Kasei Kk | Method for fixing needle and needle tube and needle with needle tube |
| CN2355727Y (en) * | 1998-12-05 | 1999-12-29 | 曹孟君 | Medical micro traumatic syringe needle for soft tissue |
| CN2832066Y (en) * | 2005-08-29 | 2006-11-01 | 李金阁 | A puncture needle for cystostomy |
| CN204134019U (en) * | 2014-03-31 | 2015-02-04 | 中国人民解放军第二军医大学 | Detect the passivity syringe needle that the permanent vascular access of chronic sustain discharge period is unobstructed |
| CN203915655U (en) * | 2014-06-19 | 2014-11-05 | 温州市高万利医疗器材有限公司 | Disposable side opening intravenous needle |
| CN204951749U (en) * | 2015-09-11 | 2016-01-13 | 温州科技职业学院 | Painless type suction formula needle for medical treatment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803185A (en) * | 2020-07-16 | 2020-10-23 | 中国人民解放军总医院第八医学中心 | Facial liposuction device capable of controlling and displaying suction position |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105195984B (en) | 2017-09-29 |
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