CN104825212A - Medical puncture needle with spiral type microstructure and manufacturing method thereof - Google Patents
Medical puncture needle with spiral type microstructure and manufacturing method thereof Download PDFInfo
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- CN104825212A CN104825212A CN201510252777.1A CN201510252777A CN104825212A CN 104825212 A CN104825212 A CN 104825212A CN 201510252777 A CN201510252777 A CN 201510252777A CN 104825212 A CN104825212 A CN 104825212A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
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Abstract
The invention belongs to the field of medical puncture instruments, and particularly relates to a medical puncture needle with a spiral type microstructure and a manufacturing method thereof. The femtosecond laser machining technology is adopted, femtosecond laser pulses are kept fixed in the machining process, and the spiral type microstructure is machined on the surface of the puncture needle by controlling rotation and feed movement of the puncture needle. In the puncture process of the medical puncture needle, the microstructure is organically combined with tissue fluid or lubricating agents in a punctured tissue, adsorption and storage of the lubricating agents are facilitated, generation of fluid power lubrication is facilitated, the resistance in the puncture process is effectively reduced, the puncture precision is improved, and pains brought in the puncture process are reduced.
Description
One, technical field
A kind of medical puncture needle with the micro-texture of helical form provided by the invention and preparation method thereof, belongs to the medical puncturing instrument field relating to the purposes such as intravenous injection, Biopsy, sample of tissue and deep brain stimulation.
Two, background technology
Medical puncture needle is one of the most frequently used armarium, is widely used in various micro-wound percutaneous process, such as: deep biopsy of brain, regional block anesthesia and blood specimen collection etc.Along with society and scientific and technological development, people require to improve constantly to the pain that the puncture precision and reduction piercing process that strengthen piercing process produce.At present, report about the pain of the puncture precision and the generation of reduction piercing process that improve piercing process mainly concentrates on and reduces needle diameter, optimization head sharpness and surface-coated lubricant, but these methods exist the shortcomings such as cost of manufacture stability that is high, that can not reduce piercing process resistance and lubricant coating is not lasting.
Medical puncture needle with the micro-texture of helical form disclosed by the invention, being characterized in, by changing puncture needle surface microstructure, improving its mantle friction greasy property, effectively reducing piercing process resistance, thus improve puncture precision, reduce the pain that piercing process brings.Medical lubricant is generally adsorbed in current conventional medical puncture needle surface when dispatching from the factory, its objective is raising surface lubrication, reduce penetration Resistance during Clinical practice, in addition, in puncturing tissue, tissue fluid also can play lubricant, but at present ubiquity lubricant in puncture needle surface adsorption the problem such as uneven and less stable, lubricant effect cannot be kept effectively for a long time.
Three, summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of medical puncture needle with the micro-texture of helical form is provided.This puncture needle adopts femtosecond laser process technology to go out the micro-texture of helical form in puncture needle Surface Machining, enable it at piercing process active adsorption and store lubricant, contribute to the generation of hydrodynamic lubrication, reduce piercing process resistance, realize medical puncture needle and to puncture in piercing process the object that precision is high, reduce pain.
The present invention realizes in the following manner:
A kind of medical puncture needle with the micro-texture of helical form, material is tungsten or rustless steel, it is characterized by and go out the micro-texture of helical form in puncture needle Surface Machining, micro-texture groove width W is 50-200nm, groove depth D is 10-30nm, separation P is 300-500nm, and helix and puncture needle axis angle α are 30-80 °.
With the preparation method of the medical puncture needle of the micro-texture of helical form, its preparation method is:
1. by puncture needle surface finish process, and respectively at water and organic solvent for ultrasonic cleaning 20min, carry out surface cleaning process;
2. puncture needle is clamped in feed system, femto-second laser pulse keeps fixing, and utilize the rotation of puncture needle and axial feed motion to go out the micro-texture of helical form in puncture needle Surface Machining, femtosecond pulse energy is 0.5-2 μ J, frequency is 500-1000Hz, scanning times 1-2 time;
(1) 3. by the puncture needle after surface laser texturing process, first ultrasonic cleaning 20min in deionized water, and then puncture needle is immersed in dehydrated alcohol, utilize ultrasonic waves for cleaning 20min, finally use N
2air-blowing is done.
By the medical puncture needle with the micro-texture of helical form of above-mentioned preparation, there is the micro-texture of continuous print helical form on puncture needle surface, in piercing process, in micro-texture and puncturing tissue, tissue fluid or lubricant organically combine, organically combine at the lubricating film of contact area formation and the anti-attrition effect that rubs of falling of micro-texture itself, this lubricating effect can reduce piercing process resistance effectively, thus improve puncture precision, reduce the pain that piercing process brings.
Four, accompanying drawing explanation
Fig. 1 is helical form micro-texture medical puncture needle schematic cross-section, and wherein: 1 is puncture needle, W is micro-texture groove width, and D is micro-texture groove depth, and P is micro-texture spacing.
Fig. 2 is helical form micro-texture medical thrust wire surface micro-texture preparation method schematic diagram, and wherein: 2 is femto-second laser pulse, α is helix and puncture needle axis angle.
Five, detailed description of the invention
Example 1:
A kind of preparation of the medical puncture needle with the micro-texture of helical form, medical 316 rustless steel biopsy needles selected by puncture needle 1, and micro-texture groove width W is about 80nm, groove depth D is about 20nm, separation P is about 300nm, and helix and puncture needle axis angle α are about 70 °.Its preparation method is as follows:
(1) by material be 316 stainless puncture needle surface finish process, remove surface contamination layer, and ultrasonic cleaning 20min in deionized water, then puncture needle is immersed in dehydrated alcohol, utilize ultrasonic waves for cleaning 20min, carry out surface cleaning process;
(2) puncture needle is clamped in femtosecond laser working apparatus system, femto-second laser pulse 2 keeps fixing, and adjustment pulsed laser energy is 1 μ J, and frequency is 500Hz, scan 1 time, utilize the rotation of puncture needle and feed motion to go out the micro-texture of helical form in puncture needle Surface Machining;
(3) by the puncture needle after surface laser texturing process, first ultrasonic cleaning 20min in deionized water, and then puncture needle is immersed in dehydrated alcohol, utilize ultrasonic waves for cleaning 20min, finally use N
2air-blowing is done;
This puncture needle is when piercing process, and in micro-texture and puncturing tissue, tissue fluid organically combines, and is conducive to the generation of hydrodynamic lubrication, can effectively reduces piercing process resistance, thus improves puncture precision.
Example 2:
A preparation for the micro-texture medical puncture needle of helical form, puncture needle 1 the selection of material is the clinical syringe needles of tungsten, and micro-texture groove width W is about 150nm, groove depth D is about 30nm, and separation P is about 400nm, and helix and entry needle axis angle α are about 50 °.Its preparation method is as follows:
(1) by material be the entry needle surface finish process of tungsten, remove surface contamination layer, and ultrasonic cleaning 20min in deionized water, then puncture needle is immersed in dehydrated alcohol, utilize ultrasonic waves for cleaning 20min, carry out surface cleaning process;
(2) entry needle is clamped in femtosecond laser working apparatus system, femto-second laser pulse 2 keeps fixing, and adjustment pulsed laser energy is 1.5 μ J, and frequency is 1000Hz, scan 2 times, utilize the rotation of entry needle and feed motion to process the micro-texture of helical form covering puncture needle surface;
(3) by the puncture needle after surface laser texturing process, first ultrasonic cleaning 20min in deionized water, and then puncture needle is immersed in dehydrated alcohol, utilize ultrasonic waves for cleaning 20min, finally use N
2air-blowing is done;
When adopting the entry needle of surface lubricant, due to micro-texture to there is lubricant easier in the absorption of entry needle surface uniform with store, and lasting effect is more reliable, thus effectively reduces the pain that injection process brings.
Claims (2)
1. the medical puncture needle with the micro-texture of helical form, material is tungsten or rustless steel, it is characterized by and go out the micro-texture of helical form in puncture needle Surface Machining, micro-texture groove width W is 50-200nm, groove depth D is 10-30nm, separation P is 300-500nm, and helix and puncture needle axis angle α are 30-80 °.
2., with a medical puncture needle preparation method for the micro-texture of helical form, its main preparation methods is as follows:
(1) by puncture needle surface finish process, and respectively at water and organic solvent for ultrasonic cleaning 20min, surface cleaning process is carried out;
(2) puncture needle is clamped in feed system, femto-second laser pulse keeps fixing, and utilize the rotation of puncture needle and axial feed motion to go out the micro-texture of helical form in puncture needle Surface Machining, femtosecond pulse energy is 0.5-2 μ J, frequency is 500-1000Hz, scanning times 1-2 time;
(3) by the puncture needle after surface laser texturing process, first ultrasonic cleaning 20min in deionized water, and then puncture needle is immersed in dehydrated alcohol, utilize ultrasonic waves for cleaning 20min, finally use N
2air-blowing is done.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510252777.1A CN104825212A (en) | 2015-05-18 | 2015-05-18 | Medical puncture needle with spiral type microstructure and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510252777.1A CN104825212A (en) | 2015-05-18 | 2015-05-18 | Medical puncture needle with spiral type microstructure and manufacturing method thereof |
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| CN104825212A true CN104825212A (en) | 2015-08-12 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137312A (en) * | 2016-06-22 | 2016-11-23 | 天津理工大学 | Antifriction cooling drill bit with micro-texture and preparation method thereof |
| CN106236151A (en) * | 2016-08-23 | 2016-12-21 | 王少峰 | A kind of puncture needle |
| CN110975137A (en) * | 2020-01-20 | 2020-04-10 | 烟台大学 | Linear type staggered array bionic micro-texture brain deep stimulation sleeve electrode |
| CN111111003A (en) * | 2020-01-20 | 2020-05-08 | 烟台大学 | Staggered array bionic micro-texture brain stimulation sleeve electrode and preparation method thereof |
| CN115137403A (en) * | 2022-05-30 | 2022-10-04 | 烟台毓璜顶医院 | Secondary anesthesia puncture biopsy gun in operation |
| CN115137401A (en) * | 2022-05-30 | 2022-10-04 | 烟台毓璜顶医院 | Pain-reducing and resistance-reducing bionic microtexture vibration puncture biopsy gun capable of achieving secondary anesthesia in operation |
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| CN102988100A (en) * | 2012-11-09 | 2013-03-27 | 大连理工大学 | Low-resistance acupuncture method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137312A (en) * | 2016-06-22 | 2016-11-23 | 天津理工大学 | Antifriction cooling drill bit with micro-texture and preparation method thereof |
| CN106236151A (en) * | 2016-08-23 | 2016-12-21 | 王少峰 | A kind of puncture needle |
| CN110975137A (en) * | 2020-01-20 | 2020-04-10 | 烟台大学 | Linear type staggered array bionic micro-texture brain deep stimulation sleeve electrode |
| CN111111003A (en) * | 2020-01-20 | 2020-05-08 | 烟台大学 | Staggered array bionic micro-texture brain stimulation sleeve electrode and preparation method thereof |
| CN115137403A (en) * | 2022-05-30 | 2022-10-04 | 烟台毓璜顶医院 | Secondary anesthesia puncture biopsy gun in operation |
| CN115137401A (en) * | 2022-05-30 | 2022-10-04 | 烟台毓璜顶医院 | Pain-reducing and resistance-reducing bionic microtexture vibration puncture biopsy gun capable of achieving secondary anesthesia in operation |
| CN115137401B (en) * | 2022-05-30 | 2024-09-13 | 烟台毓璜顶医院 | Pain-reducing drag-reducing bionic microtexture vibration puncture biopsy gun capable of performing secondary anesthesia in operation |
| CN115137403B (en) * | 2022-05-30 | 2024-09-17 | 烟台毓璜顶医院 | But secondary anesthesia puncture biopsy rifle in art |
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Application publication date: 20150812 |