CN108420486A - A kind of conveying device for embolism spring ring - Google Patents
A kind of conveying device for embolism spring ring Download PDFInfo
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- CN108420486A CN108420486A CN201810297968.3A CN201810297968A CN108420486A CN 108420486 A CN108420486 A CN 108420486A CN 201810297968 A CN201810297968 A CN 201810297968A CN 108420486 A CN108420486 A CN 108420486A
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- Prior art keywords
- pipe
- push rod
- spring ring
- conveying device
- conducting wire
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
- A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Vascular Medicine (AREA)
- Reproductive Health (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Neurosurgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention belongs to interventional medical device technical fields, specifically disclose a kind of conveying device for embolism spring ring, include push rod with inner cavity and what is be arranged in push rod free circuit and developing mark, push rod includes proximally and distally that it includes electric heating unit, conductive contact unit and the conducting wire for connecting electric heating unit and conductive contact unit to free circuit；Developing mark is sleeved on the distal end of push rod, and conductive contact unit is mounted on the proximal end of push rod, and conducting wire is placed in the inner cavity of push rod, and electric heating unit is connected to the distal end of push rod, for being connect with implantation spring ring.The present invention passes through push rod of the setting with cavity, the conducting wire for freeing circuit will be constituted to be arranged in push rod cavity, the use of push rod surface cladding heat-shrink tube can be reduced, keep push rod surface more smooth smooth, it is designed using integrated overlength hypo screwed pipe push rod distal end, compliance is good, and then the push in microtubular is more smooth.
Description
Technical field
The invention belongs to interventional medical device technical field more particularly to a kind of conveying dresses can be used for embolism spring ring
It sets.
Background technology
Spring ring product experienced the development of the past few decades, have become the main means of embolization of intracranial aneurysm
One of.After the improvement that experienced several generations product, domestic spring ring product on sale also increasingly obtains doctor currently on the market
Approval.Spring ring is mainly used for treating neurovascular aneurysm or other vascular malformation diseases, is needed when in use through micro-
Conduit reaches target lesion position, and usual intracranial vessel all can be very tortuous, and in this case, spring ring must have very
Good push performance and intravascular handling capacity, and determine the quality of above two performance indicators and directly depend on spring ring product
Transport system.
One kind, which is all referred to, in United States Patent (USP) US 2006/0052815A1 and US 2010/0268204A1 can be used for electricity
The de- coil delivery system of pyrolysis, although to the primary structure of transport system and principle retouch in detail in United States Patent (USP)
State, but its announcement transport system in, main body be by core can develop seal wire, tapered jacket pipe, electric heating spring, support bullet
Spring, developing mark, conducting wire, fever spring etc. parts are constituted, this structure although make transport system integrally can development effect just
Reinforce, but be only 13cm since the soft section design in distal end is shorter, and taper wire distal needs to assemble with multiple spring members, group
Dress technique is more complex, and is located on the outside of delivery guidewire for building the conductive filament whole process of circuit, is unfavorable for transport system surface
Flatness, can cause in microtubular push resistance it is larger；Disclosing one kind in Chinese patent ZL 201410466993.1 can
For the coil delivery system that electric heating is freed, the transport system agent structure is by taper delivery guidewire, electric heating spring, support bullet
The parts such as spring, development spring, conductive filament, waterproof gasket are constituted, which lays particular emphasis on the setting of waterproof gasket to improve
Spring ring frees performance, but integrally still to face soft section partially short (about 20cm or so) for conveying lever, proximally with taper seal wire
Increasing diameter, the hardness of conveying lever can be bigger than normal, is unfavorable for through tortuous intracranial vessel, and for building the conduction of circuit
Silk is whole to be located on the outside of delivery guidewire, and the flatness on transport system surface is unfavorable for, can cause to push in microtubular resistance compared with
Greatly.
To sum up, existing spring ring product delivery system is primarily present the deficiency of two aspects：(1) conveying lever main body uses
Solid taper guide wire, is unfavorable for multipart assembling, to influence the quality on entire transport system surface, further results in
Spring ring push performance poor in microtubular；(2) not soft or soft enough the length of transport system softness section is inadequate, it is difficult to logical
Cross the tortuous intracranial vessel of height.
Therefore, for the above deficiency, the present invention is badly in need of providing a kind of conveying device for embolism spring ring.
Invention content
The purpose of the present invention is to provide a kind of conveying devices for embolism spring ring, to solve to convey in the prior art
Device pushes the larger problem of resistance.
The present invention provides following proposals：
A kind of conveying device for embolism spring ring includes push rod with inner cavity and is arranged in the push rod
On free circuit and developing mark, the push rod includes proximally and distally that the circuit of freeing includes electric heating unit, conduction
Contact point unit and conducting wire for connecting the electric heating unit and conductive contact unit；The developing mark is sleeved on described push away
The distal end of bar, the conductive contact unit is sent to be mounted on the proximal end of the push rod, the conducting wire is placed in the interior of the push rod
In chamber, the electric heating unit is connected to the distal end of the push rod, for being connect with implantation spring ring.
A kind of conveying device for embolism spring ring as described above, further preferably, the conductive contact unit
Including the first contact casing and the second contact casing, the conducting wire includes the first conducting wire and the second conducting wire, the electric heating unit point
It is not connected one to one by first conducting wire, the second conducting wire and the first contact casing, the second contact casing.
A kind of conveying device for embolism spring ring as described above, further preferably, the push rod include according to
The first pipe, the second pipe, third pipe, the 4th pipe and the 5th of secondary connection are managed, wherein second pipe and the 4th pipe are conical pipe, institute
It is constant diameter section to state the first pipe, third pipe and the 5th pipe, and the diameter of the third pipe is more than second pipe, the 5th pipe
Diameter.
A kind of conveying device for embolism spring ring as described above, further preferably, the length of first pipe
Length for 40-50cm, the 5th pipe is 2-5cm, and the total length of the push rod is 170-190cm.
A kind of conveying device for embolism spring ring as described above, further preferably, the outer diameter of first pipe
Outer diameter for 0.2-0.3mm, the third pipe is 0.33-0.38mm.
A kind of conveying device for embolism spring ring as described above, further preferably, first pipe, second
Pipe, third pipe, the 4th pipe and the 5th pipe select 304 stainless steels to be integrally formed.
A kind of conveying device for embolism spring ring as described above, further preferably, first pipe is integrated
The hypo screwed pipe of change.
A kind of conveying device for embolism spring ring as described above further includes further preferably the anti-silk that untwists, institute
The both ends for stating the anti-silk that untwists are connect with the both ends of first pipe respectively.
A kind of conveying device for embolism spring ring as described above, further preferably, the material of the anti-silk that untwists
Matter is any in polyethylene, polypropylene, 304 stainless steels or Nitinol, and the anti-silk that untwists is by way of bonding or soldering
It is connect with first pipe.
A kind of conveying device for embolism spring ring as described above, further preferably, the developing mark is selected
It is any in platinumiridio, platinum-tungsten alloys, tungsten, gold to be made；The length of the developing mark is 1-3mm, with the electric heating unit
Distance be 3cm.
The invention discloses a kind of conveying devices for embolism spring ring, include the push rod with inner cavity and setting
Circuit and developing mark are freed in the push rod, the push rod includes proximally and distally that the circuit of freeing includes
Electric heating unit, conductive contact unit and the conducting wire for connecting the electric heating unit and conductive contact unit；The development mark
Note is sleeved on the distal end of the push rod, and the conductive contact unit is mounted on the proximal end of the push rod, and the conducting wire is placed in
In the inner cavity of the push rod, the electric heating unit is connected to the distal end of the push rod, for being connect with implantation spring ring.This
Invention will be constituted the conducting wire for freeing circuit and be arranged in push rod cavity, can be reduced and be pushed away by push rod of the setting with cavity
The use for sending bar surface cladding heat-shrink tube, keeps push rod surface more smooth smooth, and push rod distal end is using integrated overlength sea
Wave screwed pipe designs, and compliance is good, and then the push in microtubular is more smooth.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of conveying device for embolism spring ring in the present invention；
Fig. 2 is the structural schematic diagram of push rod in Fig. 1；
Fig. 3 is the structural schematic diagram of spring structure for conveying entirety.
Reference sign：
1- electric heating units, 2- heat-shrink tubes, 3- conducting wires, 4- developing marks, the anti-silks that untwist of 5-, 6- push rod, 7- conductive contacts
Unit, 8- first are managed, and 9- second is managed, 10- third pipes, and 11- the 4th is managed, and 12- the 5th is managed, and 13- is implanted into spring ring, and 14- second is aobvious
Shadow marks, 15- macromolecule silk materials.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
It is mainly used for that spring ring feeding encephalic will be implanted into the conveying device disclosed in this invention for embolism spring ring
Each structure side consistent with direction of advance is set as remote by affected part, therefore the direction of travel according to overall structure in intracranial vessel
It holds, proximal end is arranged in the side deviated from direction of advance in each structure.
As shown in Figure 1, present embodiment discloses a kind of conveying device for embolism spring ring, it is mainly used for be implanted into
Spring ring 13 heats to free with implantation spring ring 13 after conveying at intracranial lesion position detaches and then realizes implantation spring ring 13
It is implanted into structure for conveying, includes necessarily for conveying the push rod 6 of implantation spring ring 13, heating power to complete above-mentioned function
Free circuit and the developing mark 4 for determining aneurysm site, and free circuit then and include the electric heating list for fever
Member 1, the conductive contact unit 7 for being connect with external power supply and the conducting wire 3 for connect the two, and between freeing circuit
Functional specification, electric heating unit 1 is necessarily placed in the distal end of push rod 6 and is connect with implantation spring ring 13, and the connection can be in electric heating
It is disconnected after 1 heating power of unit, and the portion of the handle in 6 proximal end of push rod is then arranged in conductive contact unit 7, is used for and external electricity
Source connects；And the conducting wire 3 for connecting the two is then substantially identical as 6 length of push rod.In the present embodiment, there is cavity by setting
Push rod 6, realize cavity inside cabling, improve conducting wire 3 in the prior art and setting for the outside of push rod 6 is coated on by heat-shrink tube
Meter avoids the use of 6 surface of push rod cladding heat-shrink tube, keeps 6 surface more smooth of push rod smooth, and then in transmission process
Push in microtubular is more smooth.
Further, in the above-described embodiments, electric heating unit 1 is electric heating spring, and conducting wire 3 is led including the first conducting wire and second
Line, the first conducting wire and the second conducting wire are connected to the both ends of electric heating spring by way of soldering respectively, wherein the first conducting wire and electricity
The bond pad locations of thermoelastic spring are A, and the bond pad locations of the second conducting wire and electric heating spring are B；Conductive contact unit 7 includes the first contact
Casing and the second contact casing, the first contact casing and the second contact casing are arranged at the proximal end of push rod 6 and insulated from each other,
Be respectively used to connect with the positive and negative anodes of external power supply, wherein first contact casing and second contact casing respectively with the first conducting wire and
Second conducting wire is connected one to one by way of soldering, wherein the welding position of the first conducting wire and the first contact casing is C, the
The welding position of two conducting wires and the second contact casing is D；By above-mentioned connection type, power supply is constituted completely in freeing circuit
Current loop.Transparent heat-shrink tube 2, the first conducting wire, the second conducting wire and electric heating spring are additionally provided on the outside of electric heating spring
Connecting terminal is coated by heat-shrink tube 2, it is preferred that the material of heat-shrink tube is PET in the present embodiment.
Further, in the above-described embodiments, push rod 6 includes sequentially connected first pipe 8, the second pipe 9, third pipe
10, the 4th pipe 11 and the 5th pipe 12, wherein the second pipe 9 and the 4th pipe 11 are conical pipe, the first pipe 8, third pipe 10 and the 5th are managed
12 be constant diameter pipe, and the diameter of third pipe 10 is more than the diameter of the second pipe 9, the 5th pipe 12.Further, first pipe 8
Length is 40-50cm, and the length of the 5th pipe 12 is 2-5cm, and the total length of push rod is 170-190cm.In the present embodiment, push
Bar 6 has inner cavity, and for convenience of conducting wire 3, and the size of lumenal cross-section is consistent substantially, therefore, above-mentioned five sections
The push rod of formula setting has different hardness ladders poor from distal end to proximal end, and the first pipe 8 of cooperation, the 5th pipe 12 and push rod 6 are grown
The restriction of degree so that the rigidity of proximal end significantly improves, and distal end pliability is long and soft enough, to improve transport system entirety
Gripping feel, make it have good push performance and intravascular handling capacity.
Further, the first pipe 8 is the hypo screwed pipe of integration.Hypotube is the distal end of transport system in intervention operation
Metal tube, because its structure and material property are the highest parts of intensity in entire transport system, simultaneously after entering human body
It is also the main force application part of doctor's operation.Performance guarantee push rod for hypo screwed pipe structure itself can be utilized herein
Distal end have good toughness, buckle resistance, can torsion and compliance.Preferably, the screw pitch of hypo screwed pipe is 0.5-
1.5mm。
Further, the outer diameter of the first pipe 8 is 0.2-0.3mm, and the outer diameter of the third pipe 10 is 0.33-0.38mm；And
First pipe 8, the second pipe 9, third pipe 10, the 4th pipe 11 and the 5th pipe 12 select 304 stainless steels to be integrally formed.Push rod 6
The requirement of each section outer diameter is used to ensure that entire conveying device to have good conveying function, support function and push feel, with
Conducive to user's being smoothed out using guarantee treatment in turn.And the integrated design of 304 stainless steels then avoids more
The assembling of part, process simplification.
Further, in the above-described embodiments, further include the anti-silk 5 that untwists, the both ends of the anti-silk 5 that untwists respectively with the first pipe 8
Both ends connection.The material of the anti-silk 5 that untwists is any in polyethylene, polypropylene, 304 stainless steels or Nitinol, anti-silk 5 that untwists
It is connect with the first pipe 8 by way of bonding or soldering.The anti-silk 5 that untwists is arranged in the inside of the first pipe 8, and its both ends respectively with
The both ends of first pipe 8 connect, and for drawing hypo screwed pipe by itself resistance to deformation and tensile resistance, and then prevent
Hypo screwed pipe deforms or untwists.Preferably, made of the materials such as polyethylene, polypropylene, 304 stainless steels or Nitinol
The anti-silk 5 that untwists good can embody above-mentioned function, pretend as preferred fabrication material.
Further, in the above-described embodiments, the developing mark 4 is selected in platinumiridio, platinum-tungsten alloys, tungsten, gold
It is any to be made；It is 3cm that the length of the developing mark 4, which is at a distance from 1-3mm, with the electric heating unit 1,.
During use, implantation spring ring 13 is linked together by macromolecule silk material 15 and above-mentioned conveying device, specifically
Connect with electric heating unit 1.In order to ensure to be implanted into the compactness docked with transport system of spring ring 13, in the proximal end for being implanted into spring
It is also provided with the second developing mark 14.
Compared with prior art, a kind of conveying device for embolism spring ring disclosed in this invention has beneficial below
Effect:
1, the present invention, convenient for that will constitute the setting of conducting wire 3 for freeing circuit in cavity, can be kept away by the way that cavity push rod is arranged
Exempt from the use of push rod surface cladding heat-shrink tube 2, assembling process is simpler, and makes push rod surface more smooth smooth, favorably
In push performance of the raising conveying device in microtubular；
2, the present invention coordinates the limit of the first pipe 8, the 5th pipe 12 and push rod total length by the setting of five-part form push rod
It is fixed so that the rigidity of proximal end significantly improves, and distal end pliability is long and soft enough, to improve the gripping of transport system entirety
Feel makes it have good push performance and intravascular handling capacity；
3, in the present invention performance of hypo screwed pipe structure itself is utilized by setting the first pipe 8 to hypo screwed pipe
Ensure push rod distal end have good toughness, buckle resistance, can torsion and compliance；
4, the push rod 6 being wholely set by five parts in the present invention, avoids the assembling of more parts, simple for process
Change.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of conveying device for embolism spring ring, which is characterized in that including
Push rod with inner cavity and what is be arranged in the push rod free circuit and developing mark, the push rod includes
Proximally and distally, the circuit of freeing includes electric heating unit, conductive contact unit and for connecting the electric heating unit and leading
The conducting wire of electrical contact elements；
The developing mark is sleeved on the distal end of the push rod, and the conductive contact unit is mounted on the close of the push rod
End, the conducting wire are placed in the inner cavity of the push rod, and the electric heating unit is connected to the distal end of the push rod, are used for and plant
Enter spring ring connection.
2. a kind of conveying device for embolism spring ring according to claim 1, which is characterized in that the conductive contact
Unit includes the first contact casing and the second contact casing, and the conducting wire includes the first conducting wire and the second conducting wire, the electric heating list
Member is connected one to one by first conducting wire, the second conducting wire and the first contact casing, the second contact casing respectively.
3. a kind of conveying device for embolism spring ring according to claim 2, which is characterized in that the push rod packet
Sequentially connected first pipe, the second pipe, third pipe, the 4th pipe and the 5th pipe are included, wherein second pipe and the 4th pipe are taper
Pipe, first pipe, third pipe and the 5th pipe are constant diameter pipe, and the diameter of the third pipe be more than described second manage, the
The diameter of five pipes.
4. a kind of conveying device for embolism spring ring according to claim 3, which is characterized in that first pipe
Length is 40-50cm, and the length of the 5th pipe is 2-5cm, and the total length of the push rod is 170-190cm.
5. a kind of conveying device for embolism spring ring according to claim 3, which is characterized in that first pipe
Outer diameter is 0.2-0.3mm, and the outer diameter of the third pipe is 0.33-0.38mm.
6. a kind of conveying device for embolism spring ring according to claim 3, which is characterized in that first pipe,
Second pipe, third pipe, the 4th pipe and the 5th pipe select 304 stainless steels to be integrally formed.
7. a kind of conveying device for embolism spring ring according to any one of claim 3-6, which is characterized in that institute
State the hypo screwed pipe that the first pipe is integration.
8. a kind of conveying device for embolism spring ring according to claim 7, which is characterized in that further include anti-untwist
The both ends of silk, the anti-silk that untwists are connect with the both ends of first pipe respectively.
9. the conveying device according to claim 8 for embolism spring ring, which is characterized in that the material of the anti-silk that untwists
Matter is any in polyethylene, polypropylene, 304 stainless steels or Nitinol, and the anti-silk that untwists is by way of bonding or soldering
It is connect with first pipe.
10. the conveying device according to claim 7 for embolism spring ring, which is characterized in that the developing mark choosing
It is made of any in platinumiridio, platinum-tungsten alloys, tungsten, gold；The length of the developing mark is 1-3mm, with the electric heating list
The distance of member is 3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297968.3A CN108420486A (en) | 2018-03-30 | 2018-03-30 | A kind of conveying device for embolism spring ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297968.3A CN108420486A (en) | 2018-03-30 | 2018-03-30 | A kind of conveying device for embolism spring ring |
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| Publication Number | Publication Date |
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| CN108420486A true CN108420486A (en) | 2018-08-21 |
Family
ID=63160504
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|---|---|---|---|
| CN201810297968.3A Pending CN108420486A (en) | 2018-03-30 | 2018-03-30 | A kind of conveying device for embolism spring ring |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274209A (en) * | 2020-12-29 | 2021-01-29 | 北京泰杰伟业科技有限公司 | Spring ring conveying and releasing system |
| CN112717260A (en) * | 2020-11-20 | 2021-04-30 | 北京泰杰伟业科技有限公司 | Far-end umbrella protection system |
| CN113491557A (en) * | 2021-09-08 | 2021-10-12 | 微创神通医疗科技（上海）有限公司 | Embolization device and embolization system |
| CN113925556A (en) * | 2021-11-03 | 2022-01-14 | 聚辉医疗科技(深圳)有限公司 | Embolic coil system |
| CN115137433A (en) * | 2022-04-25 | 2022-10-04 | 深圳佰特微医疗科技有限公司 | Embolization system |
| CN115553855A (en) * | 2022-11-03 | 2023-01-03 | 北京先瑞达医疗科技有限公司 | A kind of coil and its system for interventional embolization |
| WO2023098380A1 (en) * | 2021-12-02 | 2023-06-08 | 微创神通医疗科技（上海）有限公司 | Push rod, release device and medical device |
| WO2023241301A1 (en) * | 2022-06-13 | 2023-12-21 | 微创神通医疗科技（上海）有限公司 | Delivery rod and method for manufacturing same, delivery device, and embolization device |
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| CN107374690A (en) * | 2017-08-16 | 2017-11-24 | 微创神通医疗科技（上海）有限公司 | Embolic coil conveying device and preparation method thereof |
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| CN104398282A (en) * | 2014-09-15 | 2015-03-11 | 北京泰杰伟业科技有限公司 | Spring ring conveying system capable of being used for electric heat releasing |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112717260A (en) * | 2020-11-20 | 2021-04-30 | 北京泰杰伟业科技有限公司 | Far-end umbrella protection system |
| CN112274209A (en) * | 2020-12-29 | 2021-01-29 | 北京泰杰伟业科技有限公司 | Spring ring conveying and releasing system |
| CN113491557A (en) * | 2021-09-08 | 2021-10-12 | 微创神通医疗科技（上海）有限公司 | Embolization device and embolization system |
| CN113925556A (en) * | 2021-11-03 | 2022-01-14 | 聚辉医疗科技(深圳)有限公司 | Embolic coil system |
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| WO2023098380A1 (en) * | 2021-12-02 | 2023-06-08 | 微创神通医疗科技（上海）有限公司 | Push rod, release device and medical device |
| CN115137433A (en) * | 2022-04-25 | 2022-10-04 | 深圳佰特微医疗科技有限公司 | Embolization system |
| CN115137433B (en) * | 2022-04-25 | 2025-01-28 | 深圳佰特微医疗科技有限公司 | Embolization system |
| WO2023241301A1 (en) * | 2022-06-13 | 2023-12-21 | 微创神通医疗科技（上海）有限公司 | Delivery rod and method for manufacturing same, delivery device, and embolization device |
| CN115553855A (en) * | 2022-11-03 | 2023-01-03 | 北京先瑞达医疗科技有限公司 | A kind of coil and its system for interventional embolization |
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Application publication date: 20180821 |