CN110666461A - Processing method of metal guide wire - Google Patents
Processing method of metal guide wire Download PDFInfo
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- CN110666461A CN110666461A CN201911000385.0A CN201911000385A CN110666461A CN 110666461 A CN110666461 A CN 110666461A CN 201911000385 A CN201911000385 A CN 201911000385A CN 110666461 A CN110666461 A CN 110666461A
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- metal
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- metal guide
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- 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
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Abstract
The invention discloses a processing method of a metal guide wire, which comprises the following steps: a. determining the requirements of the effective length L and the diameter D of the metal guide wire according to the use requirements of the metal guide wire, and selecting the metal wire which meets the requirements of the length L and the diameter D; b. correcting the metal wire by using automatic straightening equipment; c. polishing two ends of the metal wire into a shape meeting the use requirement; d. cutting around the metal wire by using a laser cutting machine, wherein the cutting depth is h, the length of the cutting segment is l, the included angle between the cutting line and the axis of the metal wire is alpha, and the distance between adjacent cutting lines is A; e. and cleaning the cut metal wire. The laser cutting machine is used for cutting around the surface of the metal wire, the processing process is simple to operate, the metal wire is adopted to facilitate material straightening, the metal guide wire is prevented from being difficult to bend or break, meanwhile, the metal wire is prevented from being over-wound, the flexibility of the metal guide wire is ensured, and the performance of the metal guide wire is stable and controllable.
Description
Technical Field
The invention relates to the technical field of metal guide wire processing and manufacturing, in particular to a processing method of a metal guide wire.
Background
The metal guide wire is a special metal wire for guiding, positioning or puncturing, is widely applied to medical operations, and also has application in threading and positioning of small pipelines. The metal guide wire needs to enter or pass through a pipeline with a curved surface, a special-shaped surface, an S-shaped surface and the like in the using process and is repeatedly bent in the pipeline, so that the metal guide wire has higher requirement on flexibility, and the metal guide wire is prevented from being broken or bent at a sharp angle in the pipeline to influence the passing or taking out of the metal guide wire. The traditional metal guide wire is composed of an inner part and an outer part, the processing methods of the metal guide wire are mainly two, one is formed by spirally winding a single metal filament with the diameter smaller than 0.3mm, and the inner part of the metal guide wire is of a hollow structure. Another processing method of the metal guide wire is that the outer layer is formed by spirally winding two or more metal filaments with the diameter of less than 0.3mm, and the inner layer is also formed by spirally winding one or more metal filaments with the diameter of less than 0.3 mm. The two processing methods are formed by spirally winding the metal filaments, cannot be corrected by using automatic straightening equipment, the processed metal guide wire may have a break angle at a local part, when the effective length of the metal guide wire is smaller, the influence on the service performance of the metal guide wire is smaller, but when the effective length of the metal guide wire is larger, the influence on the passing and positioning performance of the metal guide wire is larger. Meanwhile, the metal guide wire is generally small in size, so that the precision requirement of the metal filament for winding is high, an over-winding phenomenon is easy to occur during winding, the effective winding quantity is difficult to control, the bending capacity, flexibility and hardness of the local position of the processed metal guide wire are different, and the use performance of the metal guide wire is influenced.
The metal guide wire is used in a medical operation or a special-shaped pipeline, and can be bent at a pipeline deformation part in the working process, so that the metal guide wire with overlarge hardness or poor elasticity has poor bending capability and can damage or even pierce important organs or equipment, the metal guide wire which is too soft is safe, but has poor positioning and passing capability, is difficult to accurately and effectively reach a preset position, is easy to be wound and knotted in the pipeline, prolongs the operation time and has higher requirements on operators. Therefore, it is necessary to develop a processing method capable of effectively controlling the use performance of the metal guide wire.
Disclosure of Invention
The invention aims to provide a processing method of a metal guide wire, which is used for processing and manufacturing the metal guide wire, can correct the linearity of the metal guide wire by using automatic straightening equipment, prevents a bevel, can effectively control the flexibility and hardness of the processed metal guide wire, and prevents the metal guide wire from winding or breaking in the using process.
In order to solve the technical problems, the invention adopts the following technical scheme: the processing method of the metal guide wire comprises the following steps:
a. according to the use requirement of the metal guide wire, the effective length L and the diameter D of the metal guide wire are determined, and the metal wire meeting the length L and the diameter D is selected.
b. The metal wire is corrected by utilizing automatic straightening equipment, so that the linearity of the metal wire is ensured, and the condition that the service performance of the processed finished metal guide wire is reduced or unqualified due to the occurrence of a folded angle is prevented.
c. The two ends of the metal wire are polished into shapes meeting the use requirements, the two ends of the metal guide wires with different purposes have different requirements, and the two ends of the metal wire are required to be polished to adapt to the use environment of the metal guide wires.
d. The metal wire is cut by the laser cutting machine around the metal wire, the cutting depth is h, the length of the cutting section is l, the included angle between the cutting line and the axis of the metal wire is alpha, and the distance between the adjacent cutting lines is A.
e. And cleaning the cut metal wire, and removing impurities such as metal chips and the like after laser cutting.
In the step d, the frequency of the laser cutting machine is more than 10000Hz, the low-frequency laser precision is poor, the cutting trace is wide, and the precision requirement of the metal guide wire is high, so that the high frequency is needed to be used during laser cutting, the cutting position is tidy and accurate, burrs are prevented, and the processing quality of the metal guide wire is ensured.
In the foregoing method for processing a metal guide wire, after the step e is completed, a step f is further included,
f. according to the use requirement of the metal guide wire, the metal wire after being cleaned is protected, and the protective layer is coated on the outer layer of the metal wire, so that the metal guide wire is prevented from being corroded or polluted, and harmful substances in the medical metal guide wire are prevented from entering a human body to cause injury.
When the medical metal guide wire is processed, in the step f of the processing method of the metal guide wire, polytetrafluoroethylene is selected as a protective layer of the metal guide wire, the metal wire after being cleaned is soaked in polytetrafluoroethylene coating for 30-90min, the metal wire is taken out, and the surface of the metal wire is baked at the baking temperature of 200-230 ℃ for 60-120 min. The polytetrafluoroethylene is a coating with a very small friction coefficient, has stable property, is non-toxic and harmless, can prevent toxic metal in the metal guide wire from polluting human bodies, and is suitable for medical operations.
The medical metal guide wire is generally applied to surgical operations, the size specification of the metal guide wire is generally small, the effective length L of the metal guide wire in the step a ranges from 50mm to 150mm, and the diameter D of the metal guide wire ranges from 1mm to 5 mm.
Similarly, when the medical metal guide wire is processed, the range of the cutting depth h in the step d is 0.01-0.3mm, the range of the cutting section length L is 70% -100% of the effective length L of the metal guide wire, the range of the included angle alpha between the cutting line and the axis of the metal guide wire is 60-85 degrees, and the range of the distance A between the adjacent cutting lines is 0.1-1 mm. The cutting depth h, the included angle alpha between the cutting line and the metal wire axis and the distance A between the adjacent cutting lines influence the flexibility of the metal guide wire after the final metal guide wire is manufactured, and the length l of the cutting section determines the use length of the metal guide wire. The larger the cutting depth h is, the softer the metal guide wire is, the smaller the included angle alpha between the cutting line and the axis of the metal wire is, the softer the metal guide wire is, the smaller the distance A between adjacent cutting lines is, and the softer the metal guide wire is.
When the metal guide wire is used for an operation, the metal guide wire needs to enter human tissues, the used metal material needs to ensure human safety, and the metal wire in the step a is made of stainless steel or nitinol.
When the metal guide wire for the small pipeline is processed, the parameters of the selected material in the processing need to be changed, the value range of the effective length L of the metal guide wire in the step a is 500-1000mm, and the value range of the diameter D of the metal guide wire is 5-10 mm.
The size of the metal guide wire used in the small pipeline is larger, cutting parameters are also adjusted in the machining process, the cutting depth h in the step d ranges from 0.5mm to 1mm, the cutting section length L ranges from 85% to 100% of the effective length L of the metal guide wire, the included angle alpha between the cutting line and the axis of the metal guide wire ranges from 30 degrees to 85 degrees, and the distance A between every two adjacent cutting lines ranges from 2mm to 5 mm.
Compared with the prior art, the invention has the advantages that: the metal guide wire processing method has the advantages that the laser cutting machine is used for cutting around the surface of the metal wire, the traditional metal wire winding method is replaced, the processing process is simple to operate, the metal wire is used for facilitating material straightening, the metal guide wire after being processed is prevented from being bent or broken, meanwhile, the metal wire is prevented from being excessively wound, the flexibility and the hardness of the metal guide wire are guaranteed, and the performance of the metal guide wire is stable and controllable.
Drawings
FIG. 1 is a schematic view of a uniform cut of a metal guidewire according to the present invention;
fig. 2 is a schematic view of a metal guidewire segment cut of the present invention.
The invention is further described with reference to the following figures and detailed description.
Detailed Description
Example 1 of the invention: this embodiment processes a metal guide wire for meniscal repair procedures that require the use of a push rod or catheter that passes through a complex joint cavity as the procedure is performed, which is a very important tool in meniscal repair procedures. The processing method of the metal guide wire comprises the following steps:
a. according to the using requirements of an operation, the requirements of the effective length L and the diameter D of the metal guide wire are determined, a metal wire with the length of 50mm and the diameter of 1mm is selected, stainless steel with the grade of 316 is selected as the metal wire in the embodiment, the 316 stainless steel is medical stainless steel, the corrosion resistance is high, and the metal guide wire is suitable for processing and manufacturing medical equipment.
b. Utilize automatic straightening equipment to rectify stainless steel wire, prevent that stainless steel wire from having the department of buckling. The metal guide wire can be blocked from entering the cavity due to the bending angle, particularly in a meniscus repair operation, the structure in the cavity is complex, the bent metal guide wire is easy to break, and the risk of the operation is increased.
c. Both ends of the stainless steel wire are polished into shapes meeting the requirements of the operation. One end of the metal guide wire entering the cavity in the meniscus repair operation is linear, so that the metal guide wire can be directly positioned in the operation, and the operation time is shortened.
d. As shown in fig. 1, a laser cutting machine is used to cut around a stainless steel wire, and since a metal guide wire used in a meniscus repair operation needs a certain hardness, the cutting depth h in this embodiment is 0.01mm, the cutting length l is 45mm, the included angle α between a cutting line and the axis of the stainless steel wire is 80 °, and the distance a between adjacent cutting lines is 0.5 mm.
e. And cleaning the cut stainless steel wire. The surface of the stainless steel wire after laser cutting is rough, and the cut metal scraps are attached to the surface of the metal wire and can be used for meniscus repair operation after being cleaned.
Adopt laser cutting machine to cut the stainless steel wire in the step d of this embodiment, if choose for use less laser cutting frequency can lead to the line of cut edge burr to appear of stainless steel wire, be unfavorable for the operation to use, increase the work load of polishing. The frequency of the laser cutter in this example was 12000 Hz.
Example 2 of the invention: the metal guide wire processed by the invention is used for cardiac intervention treatment, and the processing method of the metal guide wire is characterized by comprising the following steps:
a. according to the using requirements of the operation, the effective length L and the diameter D of the metal guide wire are determined, and the metal wire with the length of 150mm and the diameter of 2mm is selected.
b. The nickel-titanium alloy wire is corrected by utilizing automatic straightening equipment, so that the flatness of the nickel-titanium alloy wire is ensured, and the occurrence of a bevel is prevented. The angle can cause the metal guide wire to enter the heart vessel to be blocked. The heart interventional therapy is an operation with high precision requirement, has high requirement on the performance of a metal guide wire, and needs to straighten the metal guide wire to prevent the metal guide wire from being broken in the operation.
c. Two ends of the nickel-titanium alloy wire are polished into a shape meeting the requirements of an operation, one end of a metal guide wire used in the heart interventional therapy, which enters a blood vessel, is processed into a J-shaped circular arc, and when the metal guide wire is inserted into the blood vessel and reaches a diseased part, the front end of the metal guide wire is in a circular arc shape and cannot damage and puncture the blood vessel.
d. As shown in fig. 1, a laser cutting machine is used to cut around a nitinol wire, the metal guide wire used in the cardiac interventional therapy operation needs to have high flexibility, the cutting depth h in this embodiment is 0.3mm, the cutting section length l is 120mm, the included angle α between the cutting line and the axis of the nitinol wire is 85 °, and the distance a between adjacent cutting lines is 0.3 mm.
e. And polishing and cleaning the cut nickel-titanium alloy wire. The stainless steel wire after laser cutting has a rough surface, cannot be directly used for cardiac interventional therapy, and can be used after being polished and cleaned.
f. And soaking the nickel-titanium alloy wire in the polytetrafluoroethylene coating for 60 min. The metal guide wire produced and manufactured by the embodiment is used for cardiac interventional therapy, the surface of the metal guide wire needs to be coated, the resistance of the metal guide wire in moving in blood vessels is reduced, and meanwhile toxic metal in the nickel-titanium alloy wire is prevented from entering blood. The polytetrafluoroethylene is selected as the coating with a very small friction coefficient, is stable in property, non-toxic and harmless, can prevent toxic metals from polluting blood, and is suitable for cardiac interventional therapy operation. Taking out the nickel-titanium alloy wire, and baking the surface of the nickel-titanium alloy wire at the baking temperature of 200 ℃ for 120 min.
In step d of this embodiment, the nitinol wire is cut by a laser cutting machine, and a high laser cutting frequency is required to prevent burrs from occurring at the edge of the cutting line of the nitinol wire, which may cause hidden troubles in the cardiac interventional therapy. The frequency of the laser cutter in this example was 15000 Hz.
Example 3 of the invention: this embodiment is used for processing the metal seal wire of a mediation tiny pipeline, and tiny pipeline buckles more, and the pipeline internal diameter is 12 mm. The processing method of the metal guide wire comprises the following steps:
a. according to the use requirement, the effective length L and the diameter D of the metal guide wire are determined, the metal wire with the length of 800mm and the diameter of 5mm is selected, and the metal wire in the embodiment is made of stainless steel wires, so that the metal guide wire is excellent in processing performance and strong in corrosion resistance.
b. Utilize automatic alignment equipment to rectify stainless steel wire, guarantee that stainless steel wire is straight, prevent the dog-ear.
c. The two ends of the stainless steel wire are polished into shapes meeting the use requirements, small pipelines are difficult to dredge, and one end of the stainless steel wire is polished into a tip, so that the stainless steel wire can conveniently pass through the pipelines.
d. As shown in fig. 2, adopt laser cutting machine to cut around stainless steel wire, the metal seal wire that uses is longer, and the front end needs to dredge, and the hardness that needs is great, and the pliability is lower, and rear end bending angle is bigger, and required pliability is higher, and consequently, this embodiment chooses for use different cutting data.
The metal guide wire is cut in three sections as shown in the figure, and relevant parameters are shown in figure 2. The cutting length l1 of the front end is 100mm, the cutting depth h1 is 0.6mm, the included angle alpha 1 between the cutting line and the axis of the metal wire is 70 degrees, the distance A1 between adjacent cutting lines is 4mm, the cutting length l2 of the middle section is 200mm, the cutting depth h2 is 0.8mm, the included angle alpha 2 between the cutting line and the axis of the metal wire is 55 degrees, the distance A2 between adjacent cutting lines is 3mm, the cutting length l3 of the rear end is 200mm, the cutting depth h3 is 1mm, the included angle alpha 3 between the cutting line and the axis of the metal wire is 30 degrees, and the distance A3 between adjacent cutting lines is 5 mm.
The cutting depth h, the included angle alpha between the cutting line and the metal wire axis and the distance A between the adjacent cutting lines influence the flexibility of the final metal guide wire after the manufacturing is finished. The larger the cutting depth h is, the softer the metal guide wire is, the smaller the included angle alpha between the cutting line and the axis of the metal wire is, the softer the metal guide wire is, the smaller the distance A between adjacent cutting lines is, and the softer the metal guide wire is.
e. And cleaning the cut stainless steel wire to remove metal chips and impurities generated by laser cutting.
In step d of this embodiment, a laser cutting machine is used to cut the stainless steel wire, and a high laser cutting frequency is required to ensure the precision of the processed metal guide wire. The frequency of the laser cutter in this example was 12000 Hz.
The working principle of the invention is as follows: the invention adopts a laser cutting method to replace the traditional winding manufacturing method of the metal guide wire, and the whole metal guide wire is a metal wire and can be directly straightened by automatic straightening equipment. In order to improve the flexibility of the metal guide wire, the invention cuts around the periphery of the metal guide wire, the flexibility of the metal guide wire can be controlled by the cutting depth h, the included angle alpha between the cutting line and the axis of the stainless steel wire and the distance A between adjacent cutting lines, and the metal guide wire is stable and accurate. Meanwhile, different flexibility can be realized at different positions of the same metal guide wire, so that the metal guide wire can adapt to different requirements. The processed metal guide wire can be used for passing through pipelines such as a curved profile, a special profile, an S profile and the like, can be used in the field of medical operations, and can also be used for positioning and dredging of small pipelines and the like.
Claims (9)
1. A processing method of a metal guide wire is characterized by comprising the following steps:
a. determining the requirements of the effective length L and the diameter D of the metal guide wire according to the use requirements of the metal guide wire, and selecting the metal wire which meets the requirements of the length L and the diameter D;
b. correcting the metal wire by using automatic straightening equipment;
c. polishing two ends of the metal wire into a shape meeting the use requirement;
d. cutting around the metal wire by using a laser cutting machine, wherein the cutting depth is h, the length of the cutting segment is l, the included angle between the cutting line and the axis of the metal wire is alpha, and the distance between adjacent cutting lines is A;
e. and cleaning the cut metal wire.
2. The method of processing a metal guide wire according to claim 1, wherein: and d, the frequency of the laser cutting machine in the step d is more than 10000 Hz.
3. The method of processing a metal guide wire according to claim 1, wherein: after the step e is completed, a step f is also included,
f. and according to the use requirement of the metal guide wire, protecting the cleaned metal wire, and coating a protective layer on the outer layer of the metal wire.
4. The method of processing a metal guide wire according to claim 3, wherein: and in the step f, soaking the cleaned metal wire in the polytetrafluoroethylene coating for 30-90min, taking out the metal wire, and baking the surface of the metal wire at the baking temperature of 200-230 ℃ for 60-120 min.
5. The method of processing a metal guide wire according to claim 4, wherein: in the step a, the effective length L of the metal guide wire ranges from 50mm to 150mm, and the diameter D of the metal guide wire ranges from 1mm to 5 mm.
6. The method for processing a metal guide wire according to claim 4 or 5, wherein: in the step d, the range of the cutting depth h is 0.01-0.3mm, the range of the length L of the cutting section is 70-100% of the effective length L of the metal guide wire, the range of the included angle alpha between the cutting line and the axis of the metal guide wire is 60-85 degrees, and the range of the distance A between the adjacent cutting lines is 0.1-1 mm.
7. The method of processing a metal guide wire according to claim 4, wherein: the metal wire in the step a is made of stainless steel or nitinol.
8. The method of processing a metal guide wire according to claim 3, wherein: in the step a, the effective length L of the metal guide wire is in the range of 500-1000mm, and the diameter D of the metal guide wire is in the range of 5-10 mm.
9. The method of processing a metal guide wire according to claim 8, wherein: in the step d, the range of the cutting depth h is 0.5-1mm, the range of the length L of the cutting section is 85% -100% of the effective length L of the metal guide wire, the range of the included angle alpha between the cutting line and the axis of the metal guide wire is 30-85 degrees, and the range of the distance A between the adjacent cutting lines is 2-5 mm.
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0778039A1 (en) * | 1995-12-07 | 1997-06-11 | Sarcos, Inc. | Catheter guide wire |
| CN1222062A (en) * | 1996-05-24 | 1999-07-07 | 萨考斯公司 | Hybrid tubular guide wire for catheters |
| CN1927419A (en) * | 2006-08-31 | 2007-03-14 | 王维文 | Medical guiding wire and method for manufacturing same |
| CN102145202A (en) * | 2010-02-05 | 2011-08-10 | 微创医疗器械(上海)有限公司 | Medical guide wire |
| CN103623494A (en) * | 2013-12-12 | 2014-03-12 | 西北有色金属研究院 | Titanium alloy guide wire for surgical interventional therapy |
| CN205108686U (en) * | 2015-11-10 | 2016-03-30 | 深圳麦普奇医疗科技有限公司 | Wicresoft intervenes with hydrophilic little seal wire |
| CN105520794A (en) * | 2016-03-04 | 2016-04-27 | 山东吉威医疗制品有限公司 | Interventional treatment catheter guide wire outlet designing method |
| US20160354584A1 (en) * | 2015-06-08 | 2016-12-08 | Boston Scientific Scimed, Inc. | Tubular component design and method of manufacture |
| CN206045152U (en) * | 2016-04-07 | 2017-03-29 | 叶芳余 | A kind of multifunctional medical seal wire |
| CN106730251A (en) * | 2017-01-11 | 2017-05-31 | 仇汉诚 | A kind of micro-wire |
| CN107789721A (en) * | 2017-12-07 | 2018-03-13 | 刘召所 | A kind of screw thread seal wire |
| CN107802942A (en) * | 2017-11-15 | 2018-03-16 | 董鹏 | A kind of medical guiding wire |
| CN109125889A (en) * | 2018-08-24 | 2019-01-04 | 苏州瑞帆医疗科技有限公司 | A kind of seal wire that flexibility can be set and its manufacturing method |
| CN109465549A (en) * | 2018-12-28 | 2019-03-15 | 英诺激光科技股份有限公司 | A kind of laser surface treatment method of interventional medical instrument |
| CN209392555U (en) * | 2018-08-24 | 2019-09-17 | 巴特勒生物科技(苏州)有限公司 | A kind of seal wire that flexibility can be set |
-
2019
- 2019-10-21 CN CN201911000385.0A patent/CN110666461B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0778039A1 (en) * | 1995-12-07 | 1997-06-11 | Sarcos, Inc. | Catheter guide wire |
| CN1222062A (en) * | 1996-05-24 | 1999-07-07 | 萨考斯公司 | Hybrid tubular guide wire for catheters |
| CN1927419A (en) * | 2006-08-31 | 2007-03-14 | 王维文 | Medical guiding wire and method for manufacturing same |
| CN102145202A (en) * | 2010-02-05 | 2011-08-10 | 微创医疗器械(上海)有限公司 | Medical guide wire |
| CN103623494A (en) * | 2013-12-12 | 2014-03-12 | 西北有色金属研究院 | Titanium alloy guide wire for surgical interventional therapy |
| US20160354584A1 (en) * | 2015-06-08 | 2016-12-08 | Boston Scientific Scimed, Inc. | Tubular component design and method of manufacture |
| CN205108686U (en) * | 2015-11-10 | 2016-03-30 | 深圳麦普奇医疗科技有限公司 | Wicresoft intervenes with hydrophilic little seal wire |
| CN105520794A (en) * | 2016-03-04 | 2016-04-27 | 山东吉威医疗制品有限公司 | Interventional treatment catheter guide wire outlet designing method |
| CN206045152U (en) * | 2016-04-07 | 2017-03-29 | 叶芳余 | A kind of multifunctional medical seal wire |
| CN106730251A (en) * | 2017-01-11 | 2017-05-31 | 仇汉诚 | A kind of micro-wire |
| CN107802942A (en) * | 2017-11-15 | 2018-03-16 | 董鹏 | A kind of medical guiding wire |
| CN107789721A (en) * | 2017-12-07 | 2018-03-13 | 刘召所 | A kind of screw thread seal wire |
| CN109125889A (en) * | 2018-08-24 | 2019-01-04 | 苏州瑞帆医疗科技有限公司 | A kind of seal wire that flexibility can be set and its manufacturing method |
| CN209392555U (en) * | 2018-08-24 | 2019-09-17 | 巴特勒生物科技(苏州)有限公司 | A kind of seal wire that flexibility can be set |
| CN109465549A (en) * | 2018-12-28 | 2019-03-15 | 英诺激光科技股份有限公司 | A kind of laser surface treatment method of interventional medical instrument |
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