CN103284773B - Hot melt frees turn system - Google Patents
Hot melt frees turn system Download PDFInfo
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- CN103284773B CN103284773B CN201310212106.3A CN201310212106A CN103284773B CN 103284773 B CN103284773 B CN 103284773B CN 201310212106 A CN201310212106 A CN 201310212106A CN 103284773 B CN103284773 B CN 103284773B
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- fixedly connected
- spring
- turn
- cover
- rear end
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- 239000012943 hotmelt Substances 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 229920005594 polymer fiber Polymers 0.000 claims abstract description 28
- 206010002329 Aneurysm Diseases 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 238000003466 welding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000003073 embolic effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 208000005189 Embolism Diseases 0.000 description 1
- 208000001435 Thromboembolism Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000011066 hemangioma Diseases 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The present invention relates to technical field of medical instruments, specifically a kind of hot melt frees turn system, comprise turn and steel conveying, steel conveying front portion is provided with Marking ring, it is characterized in that being provided with two enamel-cover lousiness lines, do not wait diameter spring, loop electrode and medical high polymer fiber, not isometrical spring rear end is fixedly connected with Marking ring, described steel conveying rear end fixed cover is provided with loop electrode, side has been provided with two enamel-cover lousiness lines, an enamel-cover lousiness line front end is fixedly connected with not isometrical spring at front end, rear end is fixedly connected with loop electrode, another root enamel-cover lousiness line front end is fixedly connected with not isometrical spring rear end, rear end is fixedly connected with steel conveying, medical high polymer fiber is fixedly connected with Marking ring through not isometrical spring one end, the other end is fixedly connected with the turn being located at not diameter spring front such as grade, and with do not wait diameter spring circular arc line point cantact wherein, the present invention is owing to adopting said structure, there is novel structure, fusing speed is fast, operating time is short, turn location is reliable, the advantages such as patient's misery is few.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically a kind of hot melt frees turn system.
Background technology
At present, clinically for aneurysm patient, usual employing gets involved turn and carries out filling treatment in aneurysm, free because thromboembolism turn treatment aneurysm must realize the controlled of its implant part, all Matrix detachable coil as GDC360 ° of turn of BostonScientific company and the NXT turn of Ev3 company, because this Matrix detachable coil is because adopting electric welding technology to link turn and delivery conduit, in the process of filling, delivery conduit and location sacculus import simultaneously, delivery conduit is arranged in aneurysm, and in turn course of conveying, location sacculus expands in year tumor blood vessel closing on aneurysm opening, in turn course of conveying, location sacculus remains expansion, until coil configuration is fixed, then the gas discharging in the sacculus of location is also removed microtubular simultaneously, its deficiency is: after releasing turn, owing to being by together with electric welding between turn with seal wire, after electric welding cooling, welding portion can't be very even, and sometimes uneven weld can produce more high-tension electrolysis activity, magnetic shoe, weld that the electric current quoted is inevasible causes irregular electrolysis situation, electric welding technology is adopted to cause turn wayward from the microtubular electrolytically detaching time, electrolysis time has from 30 seconds to tens minutes, disengaging time is long, electrolysis takes off time instability, turn is caused not fixed, and then affect the formation of thrombosis in hemangioma.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, a kind of novel structure is provided, fusing speed is fast, operating time is short, turn location is reliable, the painful few hot melt of patient frees turn system.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of hot melt frees turn system, comprise turn and steel conveying, steel conveying front portion is provided with Marking ring, it is characterized in that being provided with two enamel-cover lousiness lines, do not wait diameter spring, loop electrode and medical high polymer fiber, not isometrical spring rear end is fixedly connected with Marking ring, described steel conveying rear end fixed cover is provided with loop electrode, side has been provided with two enamel-cover lousiness lines, an enamel-cover lousiness line front end is fixedly connected with not isometrical spring at front end, rear end is fixedly connected with loop electrode, another root enamel-cover lousiness line front end is fixedly connected with not isometrical spring rear end, rear end is fixedly connected with steel conveying, medical high polymer fiber is fixedly connected with Marking ring through not isometrical spring one end, the other end is fixedly connected with not waiting turn in diameter spring front, and with do not wait a diameter spring wherein circular arc line point cantact, be beneficial to quick fuse and do not wait diameter spring and turn, reach the effect of sharp separation.
Diameter spring such as not grade of the present invention is interconnected by the circular arc line of different-diameter to form, the smallest circle arc dia not waiting diameter spring is 1/3rd of greatest circle arc dia, and each circular arc line center not on the same line, be beneficial to not wait diameter spring and medical high polymer fiber to realize point cantact.
Medical high polymer fiber of the present invention can be fixedly connected with turn near-end, also can be fixedly connected with turn far-end, with make turn not wait diameter spring quick fuse effect under be separated completely.
The circular arc line diameter of diameter spring that do not wait of the present invention, between 0.05-0.3 millimeter, reaches the effect that Rapid hot-melting is freed.
The diameter of medical high polymer fiber of the present invention, between 0.01-0.2 millimeter, has reached the fireballing effect of fusing.
The present invention, owing to adopting said structure, has novel structure, fusing speed is fast, operating time is short, turn location is reliable, the painful advantage such as few of patient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
The structural representation of the embodiment of the present invention 2 on Fig. 2.
Reference numeral: steel conveying 1, turn 2, loop electrode 3, enamel-cover lousiness line 4,8, medical high polymer fiber 5, diameter spring 6, the Marking ring 7 such as not.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described:
As shown in drawings, a kind of hot melt frees turn system, comprise turn 2 and steel conveying 1, steel conveying 1 front portion is provided with Marking ring 7, it is characterized in that being provided with two enamel-cover lousiness lines 4, 8, do not wait diameter spring 6, loop electrode 3 and medical high polymer fiber 5, diameter spring 6 rear end is not waited to be fixedly connected with Marking ring 7, described steel conveying 1 rear end fixed cover is provided with loop electrode 3, side has been provided with two enamel-cover lousiness lines 4, 8, enamel-cover lousiness line 4 front end is fixedly connected with not waiting diameter spring 6 front end, rear end is fixedly connected with loop electrode 3, another root enamel-cover lousiness line 8 front end is fixedly connected with not waiting diameter spring 6 rear end, rear end is fixedly connected with steel conveying 1, medical high polymer fiber 5 is fixedly connected with Marking ring 7 through not waiting diameter spring 6 one end, the other end is fixedly connected with not waiting turn 2 in diameter spring front, and with do not wait a diameter spring 6 wherein circular arc line point cantact, be beneficial to quick fuse and do not wait diameter spring 6 and turn 2, reach the effect of sharp separation.
Diameter spring 6 such as not grade of the present invention is interconnected by the circular arc line of different-diameter to form, the smallest circle arc dia not waiting diameter spring 6 is 1/3rd of greatest circle arc dia, and each circular arc line center not on the same line, be beneficial to not wait diameter spring 6 and medical high polymer fiber 5 to realize point cantact.
Medical high polymer fiber of the present invention can be fixedly connected with turn near-end, also can be fixedly connected with turn far-end, is separated completely under the quick fuse effect of speed change spring to make turn.
The effect not waiting the circular arc line diameter of diameter spring 6 to reach Rapid hot-melting between 0.05-0.3 millimeter to free of the present invention.
The diameter of medical high polymer fiber 5 of the present invention, between 0.01-0.2 millimeter, has reached the fireballing effect of fusing.
Embodiment 1: as shown in Figure 1, a kind of hot melt frees turn system, comprise turn 2, steel conveying 1, two enamel-cover lousiness lines 4, 8, do not wait diameter spring 6, loop electrode 3 and medical high polymer fiber 5, steel conveying 1 front portion is provided with Marking ring 7, diameter spring 6 such as not grade of the present invention is interconnected by the circular arc line of different-diameter to form, and each circular arc line center not on the same line, the described circular arc line diameter not waiting diameter spring 6 is 0.05-0.3 millimeter, diameter spring 6 rear end is not waited to be fixedly connected with Marking ring 7, described steel conveying 1 rear end fixed cover is provided with loop electrode 3, side has been provided with two enamel-cover lousiness lines 4, 8, enamel-cover lousiness line 4 front end is fixedly connected with not waiting diameter spring 6 front end, rear end is fixedly connected with loop electrode 3, another root enamel-cover lousiness line 8 front end is fixedly connected with not waiting diameter spring 6 rear end, rear end is fixedly connected with steel conveying 1, medical high polymer fiber 5 is fixedly connected with Marking ring 7 through not waiting diameter spring 6 one end, the other end is fixedly connected with not waiting turn 2 near-end in diameter spring front, and with do not wait a diameter spring 6 wherein circular arc line point cantact, the diameter of described medical high polymer fiber 5 is 0.01-0.2 millimeter, to reach the fireballing effect of fusing, when clinical interventional therapy aneurysm, the hot melt turn that breaks is transported to vascular aneurysms tumor by steel conveying 1 through delivery conduit, determine the position of turn 2 under photograph shadow after, 8-10v unidirectional current is applied between loop electrode 3 and steel conveying, electric current passes through loop electrode 3 with steel conveying through two enamel-cover lousiness lines 4, 8 are conducting to and do not wait on diameter spring 6, heat energy is turned through power conversion electric energy, high hot diameter spring 6 such as not grade contacts fusing medical high polymer fiber 5 with medical high polymer fiber 5, turn 2 is made to obtain quick-release, the time of freeing was 1 second, steel conveying 1 is withdrawn from after release, continue filling turn 2 again, to fine and close filling aneurysm, blood no longer flows through aneurysm, embolic processes terminates.
Embodiment 2: as shown in Figure 2, a kind of hot melt frees turn system, comprise turn 2, steel conveying 1, two enamel-cover lousiness lines 4, 8, do not wait diameter spring 6, loop electrode 3 and medical high polymer fiber 5, steel conveying 1 front portion is provided with Marking ring 7, diameter spring 6 such as not grade of the present invention is interconnected by the circular arc line of different-diameter to form, and each circular arc line center not on the same line, the described circular arc line diameter not waiting diameter spring 6 is 0.03-0.1 millimeter, diameter spring 6 rear end is not waited to be fixedly connected with Marking ring 7, described steel conveying 1 rear end fixed cover is provided with loop electrode 3, side has been provided with two enamel-cover lousiness lines 4, 8, an enamel-cover lousiness line front end is fixedly connected with not isometrical spring at front end, rear end is fixedly connected with loop electrode, another root enamel-cover lousiness line 4 front end is fixedly connected with not waiting diameter spring 6 rear end, rear end is fixedly connected with steel conveying 1, medical high polymer fiber 5 is fixedly connected with Marking ring 7 through not waiting diameter spring 6 one end, the other end is fixedly connected with not waiting turn 2 far-end in diameter spring front, and with do not wait a diameter spring 6 wherein circular arc line point cantact, the diameter of described medical high polymer fiber 5 is 0.05-0.1 millimeter, reach the fireballing effect of fusing, when clinical interventional therapy aneurysm, the hot melt turn that breaks is transported to vascular aneurysms tumor by steel conveying 1 through delivery conduit, determine the position of turn 2 under photograph shadow after, 8-10v unidirectional current is applied between loop electrode 3 and steel conveying, electric current passes through loop electrode 3 with steel conveying through two enamel-cover lousiness lines 4, 8 are conducting to and do not wait on diameter spring 6, heat energy is turned through power conversion electric energy, high hot diameter spring 6 such as not grade contacts fusing medical high polymer fiber 5 with medical high polymer fiber 5, turn 2 is made to obtain quick-release, the time of freeing was 1 second, steel conveying is withdrawn from after release, continue filling turn 2 again, to fine and close filling aneurysm, blood no longer flows through aneurysm, embolic processes terminates.
The present invention, owing to adopting said structure, has novel structure, fusing speed is fast, operating time is short, turn location is reliable, the painful advantage such as few of patient.
Claims (1)
1. a hot melt frees turn system, comprise turn and steel conveying, steel conveying front portion is provided with Marking ring, it is characterized in that being provided with two enamel-cover lousiness lines, do not wait diameter spring, loop electrode and medical high polymer fiber, not isometrical spring rear end is fixedly connected with Marking ring, described steel conveying rear end fixed cover is provided with loop electrode, side has been provided with two enamel-cover lousiness lines, an enamel-cover lousiness line front end is fixedly connected with not isometrical spring at front end, rear end is fixedly connected with loop electrode, another root enamel-cover lousiness line front end is fixedly connected with not isometrical spring rear end, rear end is fixedly connected with steel conveying, medical high polymer fiber is fixedly connected with Marking ring through not isometrical spring one end, the other end is fixedly connected with not waiting turn in diameter spring front, and with do not wait diameter spring circular arc line point cantact wherein, described diameter spring such as not grade is interconnected by the circular arc line of different-diameter to form, the smallest circle arc dia not waiting diameter spring is 1/3rd of greatest circle arc dia, and each circular arc line center not on the same line, the described circular arc line diameter of diameter spring that do not wait is between 0.03-0.05 millimeter, the diameter of described medical high polymer fiber 0.01 millimeter, described medical high polymer fiber is fixedly connected with turn near-end, described medical high polymer fiber is fixedly connected with turn far-end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212106.3A CN103284773B (en) | 2013-05-31 | 2013-05-31 | Hot melt frees turn system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212106.3A CN103284773B (en) | 2013-05-31 | 2013-05-31 | Hot melt frees turn system |
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| CN103284773A CN103284773A (en) | 2013-09-11 |
| CN103284773B true CN103284773B (en) | 2016-04-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109172032B (en) * | 2018-10-13 | 2020-06-19 | 刘劼 | Microsphere catheter wire-tying device for rat MCAO model |
| EP3908354A4 (en) * | 2019-03-15 | 2023-04-26 | Sequent Medical, Inc. | FILAMENTARY DEVICES FOR THE TREATMENT OF VASCULAR DEFECTS |
| CN110755125B (en) * | 2019-11-21 | 2025-02-21 | 上海加奇生物科技苏州有限公司 | A delivery and release device for implants |
| CN118593045B (en) * | 2024-05-31 | 2025-01-10 | 山东维心医疗器械有限公司 | A spring coil delivery system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3754145B2 (en) * | 1996-09-20 | 2006-03-08 | 株式会社カネカメディックス | Medical wire having in-vivo indwelling member |
| WO1999022651A1 (en) * | 1997-10-30 | 1999-05-14 | Kaneka Medix Corporation | Medical device for disposing in vivo indwelling member and method of disposing the member |
| CN101048107A (en) * | 2004-10-29 | 2007-10-03 | 株式会社钟化 | Medical wire |
| CN201058040Y (en) * | 2006-07-24 | 2008-05-14 | 加奇生物科技(上海)有限公司 | Releasable spring coil for curing angioma |
| CA2692962C (en) * | 2007-07-27 | 2016-09-13 | Microvention, Inc. | Detachable coil incorporating stretch resistance |
| CN203328754U (en) * | 2013-05-31 | 2013-12-11 | 威海维心医疗设备有限公司 | Hot melting liberation spring ring system |
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